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[转载]matlab 绘图 线条类型颜色等
dengxuejing 2012-9-25 15:26
1.线型 定义符 线型 - 实线(缺省值) -- 划线 : 点线 -. 点划线 2.线条宽度 指定线条的宽度,取值为整数(单位为像素点) 3.颜色 定义符 颜色 R(red) 红色 G(green) 绿色 b(blue) 兰色 c(cyan) 青色 M(magenta) 品红 y(yellow) 黄色 k(black) 黑色 w(white) 白色 4.标记类型 定义符 标记类型 + 加号 o(字母) 小圆圈 * 星号 . 实点 x 交叉号 d 棱形 ^ 向上三角形 v 向下三角形 向右三角形 向左三角形 s 正方形 h 正六角星 P 正五角星 5.标记大小 指定标记符号的大小尺寸,取值为整数(单位为像素) 6.标记面填充颜色 指定用于填充标记符面的颜色。取值在上表。 7.标记周边颜色 指定标记符颜色或者是标记符(小圆圈、正方形、棱形、正五角星、正六角星和四个方向的三角形)周边线条的颜色。取值在上表。 在所有的能产生线条的命令中,参数LineSepc可以定义线条的下面三个属性:线型、标记符号、颜色进行设置。对线条的上述属性的定义可用字符串来定义,如:plot(x,y,'-.or') 结合x和y,画出点划线(-.),在数据点(x,y)处画出小圆圈(o),线和标记都用红色画出。其中定义符(即字符串)中的字母、符号可任意组合。若没有定义符,则画图命令plot自动用缺省值进行画图。若仅仅指定了标记符,而非线型,则plot只在数据点画出标记符。
1874 次阅读|0 个评论
科技写作漫谈(95):行话、缩略语、专业术语
热度 3 rensl 2012-9-16 20:22
l 行 话 : 行话是某个专业或行业团体所使用的特殊表达方式,圈外人一般听不懂。 应避免使用的行话: Southern blotted 为实验室行话,正确的表达为 …analyzed by Southern blot… Western blotted 与 Southern blotted 类似,也是实验室行话,正确用法为 …subjected to western blot analysis 或 …analyzed by western blot electrophorized 正确用法为 analyzed by or subjected to electrophoresis bugs 表示细菌,千万不要在科技论文中使用 lab 正确用法为 laboratory prep 正确用法为 prepare vet 正确用法为 veterinarian evidenced 以名词 evidence 替代 vortexed vortex 只能以名词形式存在,应改为 was mixed by vortex l 缩略语 : 大量的缩略语会使读者感到困惑,因此要减少使用频率 ; 同样,非标准的缩略语也要避免使用。在一篇论文中不要使用 4 、 5 个以上的缩略语 ; 另外,避免在一段话中同时使用多个缩略语,这会给句子的理解造成困难。 例如: a. MPTP is converted by MAOB to MPP , which reaches SNpc nerve cells via DA uptake systems. b. We assessed non-AGN galaxies, contained in the MUSYC survey in the ECDFS using HST for a target source. 上面两句话对同行而言也许很好理解,但对于大多数读者是无法理解的。 对于必需使用的缩略语,应在其第一次出现时进行定义,或者于文章首页的脚注中予以标注,或两种方式同时采用,这要根据期刊的要求。一旦对缩略语进行了定义,就不要再使用全称,除非该词再次出现时已与前次相隔多页,这时则需要再次提醒读者缩略语的含义。如果在文章题目中使用或定义缩略语(不建议采用此方式),那么请在文中再次定义。摘要中的缩略语也照此处理。如果一篇很长的科技论文需要用到大量缩略语,则考虑在文后以附录的形式列出所有缩略语及其含义。 特殊缩略语 : 一些衍生自拉丁语的缩略语在科技论文中很常用。需要注意的是,虽然下面的缩略语来自拉丁语,但通常并不采用斜体: e.g. = exempli gratia— for example et al. = et alia— and others i.e. = id est— that is l 专业名称与专业术语 科技论文中使用正确的专业名称和专业术语非常重要,可以避免误解。如果对某个词不确定,不要猜测,而应花时间查字典、词典及相关参考书。 表示物种的和所有起源于拉丁语的词都用斜体 (in vivo, Physcomitrella, patens, etc.) 人类基因 : 所有字母大写并斜体 (ADH3, HBA1) 小鼠基因 : 首字母大写,其他小写,全部斜体 (Sta, Shh, Glral) 人类蛋白质 : 大写正体 (ADH3, HBA1) 小鼠蛋白质 : 与基因表示法类似,但不用斜体 (Sta, Shh, Glral) 为了区分具有相同基因符号的同源基因的物种,将物种名称的缩写作为前缀加在基因符号前。比如人类位点, (HSA)G6PD ;同源小鼠位点, (MMU)G6pd ,其中 HAS= Homo sapiens, MMU= Mus musculus 。 摘编自《科技写作与交流》 ( 任胜利 等 译 . 科学出版社 , 2012 年出版 ) 相关阅读 : 科技写作漫谈:博文分类阅读
个人分类: 科技写作|11144 次阅读|6 个评论
科技写作漫谈(93):选词要恰当
热度 3 rensl 2012-9-7 07:23
在科技写作中,相当多的词和短语被错用或被混淆。被错用的词可以分为如下几类:带后缀的词、动词、副词、形容词和连词。 -ability : 如果句中使用了带后缀 -ability 的词,通常都需要改写,用 can 后跟一个更有力的动词替代。 例: Changeability of X occurs when Y is added 改: X can change when Y is added. -ization : 很多作者喜欢在动词后面加 -ation 或 -ization ,以这种方式创造名词很值得质疑。 例: Metabolization of phosphates was different than expected 改: Phosphates were metabolized differently than expected. -ize : 很多时候作者会错误地以为在名词或形容词后面加上 -ize 便可以变成动词。 例: Older patients were prioritized . 改: Older patients were given priority . -ized/-izing : 对词根为 -ized 或 –izing 的形容词也应该保持警惕,并寻找更简洁的词替代。 例: Individualized doses were calculated Nanoscience has a transformatizing impact on various Technologies. 改: Individual doses were calculated Nanoscience has a transformative impact on various Technologies. 或更好的修改: Nanoscience transformas various technologies. -ology : 以 -ology 结尾的词表示某某学,且为科技领域中的行话,比如: 例: No pathology was found. / Cytology was normal. / Symptomology was severe. / Serology was negative. 改 : No pathologic condition was found. / Cytologic findings were normal. / Symptoms were severe. / Serologic findings was normal. 避免性别歧视 : 性别歧视包括所有口头或文字表示的男女不平等,或排挤一方支持另一方。虽然可能出于无意,但写作中性别歧视的表现方式很多,有些非常微妙,除非被指明否则作者不一定会注意到。在英语中可以通过使用复数形式的代词 they 和复数动词来避免这一难题。 例 : Man is not the only host for this parasite. 改: Humans are not the only host for this parasite. 例: A nurse should double-check her IV settings. 改: Nurses should double-check their IV settings. 练习:选择填空 1. like, as: Plasmids were isolated described by Beates(17). Our observations for C1P1-GpP localization were those of Andrews et al. (1989). Tropospheric ozone (O3) is a naturally occurring greenhouse gas formed a product of photochemical reactions. The energy is transferred to the lattice before the electrons heat up to temperatures, they do in Cu. 2. enhance, increase: Metal atoms the relative intensity of the band at 476 nm. Soluble silicon in plants also has an active function in host resistance to plant diseases. 3. while, whereas: Colonies of DH5 alpha cells transformed with the AB construct were able to degrade naphthalene, negative control cells were not. The first enzyme was added the DNA mixtures were incubating at 37℃. Tropical forests growing on highly weathered soils exhibit conservative P-cycling processes, conservative N-cycling properties are more common on younger soils. Temperatures above 20℃ favor the production of the 619 nm species, at 15℃,an increase of intensity of the 476 nm band is observed. 4. varying, various: water levels in a pond are often the result of climate conditions. Each student received concentrations of NaCl solution for the experiment. animals rely on darknness to hide, to catch prey, to mate, or to interact. Different varieties of semiconductors layered in solar cells respond to photons of energies to produce electricity. Electrodes can be of sizes. 5. effect, affect: Nutrition concentration was the most important factor population size. Although the cows were given steroids,the drugs had little . Ozone causes cellular damage inside leaves that adversely plant production. Energy supplies by electrons and ions or chemical reaction (e.g., oxidation) with impurities are just some of the that might be responsible for luminescence via matrix. 6. include, consist of : Her research interests all areas of biochemistry and structural biology. Components of Hyperion’s crust solid H 2 O and CO 2. 7. that, which : Fish live in caves show many adaptations to living in darkness. At one electrode,hydrogen molecules are stripped of their electrons, are then sent through an external circuit to do work. Adaptive immune responses recognize novel viral antigens are not invariant but nevertheless are foreign to the infected organism. 8. represents, is : 25 mg of ketamine an overdose of anesthetic for mice. The Born-Oppenheimer approximation of uncoupled electronic and nuclear motion a standard tool of the computational chemist. 9. infers, implies : Both curves are of an identical shape, which a constant front profile as well as a constant velocity. The Intergovernmental Panel on Climate Change has been criticized for that climate-envelope models are more precise than they actually are. 10. can, may : It appear that Table 1 contains an essentially complete summary of patterns that occur in electrochemical systems. Huge numbers of species be at risk of extinction from climate change. 参考答案 1. like, as: … as described by Beates (17). … like those of Andrews et al. (1989). … as a product of photochemical reactions … like they do in Cu. 2. enhance, increase: …increase the relative intensity of the band at 476 nm. … enhancing host resistance to plant diseases. 3. while, whereas: …whereas negative control cells were not. … while the DNA mixtures were incubating at 37 ° C. … whereas conservative N-cycling properties are more common on younger soils. … whereas at 15 ° C, an increase of intensity of the 476 nm band is observed. 4. varying, various: Varying water levels in a pond… … various concentrations of NaC1 solution for the experiment. … Various animals rely on darkness to hide, to catch prey, to mate, to interact. … varying energies to produce electricity. … various sizes. 5. effect, affect : … affecting population size. … had little effect . …affect plant production. … effects that might be responsible for luminescence via matrix. 6. include, consist of: …i nclude all areas of biochemistry and structural biology. … include solid H20 and CO2. 7. that, which: Fish that live in caves show many adaptations to living in darkness. … which are then sent through an external circuit to do work. … that are not invariant but nevertheless are foreign to the infected organism. 8. represents, is : 25 mg of ketamine is … … is a standard tool of the computational chemist. 9. infers, implies: … implies a constant front profile as well as a constant velocity. … implying that climate-envelope models are more precise than they actually are. 10. can, may: It may appear that…. … may be at risk of extinction from climate change. 摘编自《科技写作与交流》 ( 任胜利 等 译 . 科学出版社 , 2012 年出版 )
个人分类: 科技写作|7740 次阅读|6 个评论
科技写作漫谈(92):用词须简洁
热度 1 rensl 2012-9-2 12:49
例 1 原句: Fractions of 0.8ml were collected, reduced to dryness , and dissolved in 3.75% methanol (v/v) prior to being sequenced. 修改: Fractions of 0.8ml were collected, dried , and dissolved in 3.75% methanol (v/v) prior to being sequenced. 简析: 原句的写作风格有些沉重、繁复。科技论文涉及许多专业术语,正因如此,在其他词汇的选择上就更应该简洁,避免让读者感觉沉重。显然, “dried” 相对于 “Reduced to dryness” 在表达上更简洁。 例 2 原句: There is a large body of experimental evidence that clearly shows that members of the genus Crotalus congregate simultaneouly in cases of prolonged decreased temperature conditions in the later part of the year. 修改: Rattlesnakes come together when it gets cold in the fall. 简析: 由于文化差异,有些作者习惯使用大量华而不实的修饰词以示委婉。但在西方,表达更为直接。因此,英语为第二语言( ESL )的作者要特别注意避免过度使用修饰词和修饰短语。要确保读者能够理解,就需要使用简单的词汇。也就是说,除专业术语外,选择那些与朋友交谈时常用的词,如:使用 “ use” 而非 “ utilize” 。 练习:修改以下各句,以更简洁的词语取代下划线部分。 1. The differences in our results compared to those of Reuter et al. (1995) can be accounted for by the fact that different conditions were used. 2. In our opinion, it is not an unjustifiable assumption that the vibrational spectrum of CO 2 is temperature dependent. 3. For the purpose of examining cell migration, we dissected mouse brains. 4. Our results are in accordance with Seuter et al. (1988) who measured iPin the culture medium of Physcomitrella transformed with the agrobacterial isopentenyltransferase gene. 5. We performed a systematic study of the vibrational spectrum of CO 2 using various isotopomers. 6. In Swaziland, the number of HIV infected children increased by an order of magnitude in the past decade. 参考答案 1. are due to (are caused by) different conditions. 2. OMIT OR we believe that... 3. To... 4. fit; agree 5. We studied.., systematically 6. 10-fold 摘编自《科技写作与交流》 ( 任胜利 等 译 . 科学出版社 , 2012 年出版 )
个人分类: 科技写作|5360 次阅读|2 个评论
[转载]粱应权:MULTI-DIMENTIONAL VECTOR SPACE AND BAI-LIANG
TUGJAYZHAB 2012-9-1 13:27
时间: 2008-10-15 周三, 13:09 标题: 论文的英文版 http://www.planta.cn/forum/viewtopic.php?t=11810 这是论文的英文版,供参考,请批评指正。 MULTI-DIMENTIONAL VECTOR SPACE AND BAI-LIANG GROUP Ying Q. Liang Bai Jay yingqliang@yahoo.com Tel: 970-495-6823 1906 Corriedale Dr. Fort Collins,CO 80526, U. S. A. Abstract Defined a new combination rule for the vectors of a vector space, obtain a new special group, called Bai-Liang group,which is exchange group, i.e. Abel group. It cab be applied to many fields, including the ecology system. Key Words Multi-Dimentional Vector Space Combination Rule of vectors Group Exchange Group Abel Group Bai-Liang Group Let v(i) be the basic vectors of a multi-dimentionl vector space V, basic vectors are the unit vectors, i=1,2,...m Any vector A of the vector space V, can be expressed as the sum of a(i)v(i), where the a(i)s are the elements of the real number collection R, i=1,2,...m Define the vectors( belong to V ) combination rule by multiplication (including distribution and combination ): v(i)v(j)=v(i) if i=j v(i)v(j)=0 if i,j not the same. i, j=1,2,...m The unit element vector E of the vector space V is: E=v(1)+ v(2)+...+v(m) To any vector A belongs to V , there is AE=EA=A If all the components of a vector are zero, call it O vector of space V . To any vector A belongs to V, there is OA=AO=O Define the reverse vector A(-1) of vector A (belongs to space V) is the sum of v(i), where the a(i)s are the elements of the real number collection R, i=1,2,...m Then AA(-1)=A(-1)A=E To any vector A belongs to V Vector A divided by vector B ( both belong to space V ) is defined as vector A combines to the reverse vector B(-1) of vector B: A/B=AB(-1) The result is a new vector C of space V C=A/B=AB(-1), is the sum of c(i)v(i), where c(i)=a(i) , a(i),b(i),c(i) are the elements of the real number collection R, i=1,2,...m call vector C the ratio vector of A/B. The combination rule of vectors (belong to space V) satisfies combination law and exchange law, for example: ABC=A(BC)=(AB)C=ACB=BAC=... All the vectors of the multi-dimentional vector space V combined by the rule defined above, consist a group, which is an exchange group, i.e. Aber group. Due to the special combination rule for this group, we call it Bai-Liang group, which can be applied to many different fields, such as economical system,`ecology system and stock market system analysis and their trends prediction, and so on. In the applications, the dimentions of the vector space can be changed. When its dimention increases, the old space is the subspace of the new one, and the old group is the subgroup of the new one, vice versa. Reference 白捷 梁应权:植被监测及趋势分析 ——植被数量生态学中几个理论问题的探讨 植物生态学报 2008, 32 (4) 967-976 Journal of Plant Ecology (Chinese Version) _________________
个人分类: MDSM 通讯|1964 次阅读|0 个评论
美西游之旅游服务印象
热度 5 liaoxiaolin 2012-8-28 08:29
美西游之旅游服务印象
这次送给自己的毕业旅行史无前例的豪华:从犹他州的盐湖城开始,游经世界第一个国家公园-美国黄石国家公园(Yellow Stone),顺带附近的大提顿国家公园(Grant Teton), 再向盐湖城南行游览其地标景观-拱门国家公园。 美西行一共四人,从三所大学出发,算是经历了一次很愉快的旅行。 旅行回来,学校已经开学热闹的很,一扫暑期的冷清。我很快从旅行中的惬意抽身,不得不面对美漂、失业失意的现实。但是旅行仍然是美丽的,虽然不能像 nerd 同学那样摆弄专业的相机专业的技术,但是眼眸和心灵已经记录了那些震撼过我的良辰美景。也许以后心情稍好些会再来细数那些点滴,现在先来说说除却美景之外让我印象深刻的美国生态旅游的服务。 (一)物有所值的门票 在国内旅游过的都知道,旅游景点的票价都不低,故宫这种皇城就不说了, nerd 同学西游中亲历的坑爹事件正好可以管中窥豹。而作为世界第一国家公园的黄石,集峡谷瀑布地质热泉野生动物于一体的大型旅游景点,门票按车次计算,一个车的票价是25刀;这25刀还包括与黄石紧邻的大提顿国家公园。比如我们四个人一辆车,均分到人头就只有6刀左右了。另外,因为美国国家公园统一由国家公园系统(national park service, NPS)管理,全国实行国家公园的年票制度,仅为80刀(也是按车算的),可以在物理年里无限次进入。这个美国国家公园的年票也被很多人称为最物有所值的年票。 我们四人一共去了三个国家公园,门票只花了35刀(25+10),所以是工薪阶层甚至是我们这些穷学生可以负担的。 (二)方便充足的露营服务 因为穷,我们四人决定采取露营的方式。这几个国家公园在露营的安排上已经形成了很有规模和成熟的服务体系。比如在黄石,就有四个大型的露营地,有先到先得的方式也有网上提前预订的。每个露营地的面积都很大,我们四个人加上一辆租来的车,那块地都措措有余了。每块地都有一个防熊的储物柜,食物放在里面不至于吸引熊的光顾;还有一个野炊生火的圆灶台(见下图)。日落天黑的时候,很多露营地都是篝火一片,让冷清的夜变得温暖;与寒夜的星空相映成趣。因为野炊,如果同行的人都勤于自助餐,那么便可以省下一部分餐饮费。我们露营的四天只选择了一早一晚的自己动手,但是却成了印象最为深刻乐趣横生的经历。我们煮了白象牌的粉丝,大汉口牌的热干面,煎蛋,煎培根。 (三)让人舒心的公厕 公厕其实是旅游中很重要的一个问题,所谓人有三急。游在国家公园,厕所绝对让人舒心,最差的按同行的老师的说法也是“符合国际卫生组织标准的有通风设施的”。厕所里肯定有足够的纸巾,还附有洗手液。露营的地方则大多会更好一点,可以简单的洗漱。好一点的露营地还设有免费的热水洗浴间,同行的老师感叹“想不到露营也能洗得干干净净的”。 (四)不宰人的餐饮服务 很多的旅游地,餐饮服务都会比正常情况下高一倍。国内爬长城的时候,那昂贵的矿泉水是最让我们记忆深刻的。然而,这次旅游我们都不约而同地发现:公园里的的餐饮并没有贵的很离谱,即使贵也还是可口的服务周到的;所以虽然那几天不免的舟车劳顿,却从来没有饥肠辘辘过。 (五)墨守成规的人与自然的和谐 黄石野生动物很多,我们这次就看到了bison(野牛)、黑熊、麋鹿、普通鹿和一只疑似的狼。去年就有露营游客被黑熊伤害的报道,这也是我们露营比较担心的安全问题。公园里在每块露营地都会写好防熊的注意事项,睡觉前的篝火一定要熄灭,守林人也会间隔地出来巡逻。第一个晚上,我睡在帐篷里还有些听风便是熊出没的害怕;其后的几个晚上便放心了好多。 而每天黄昏和清晨,游客们总要和野牛一起分享公路。公园里的交通会堵塞,形象地称为“牛堵”(bison jam)。游客们都很有耐心,摇下窗户,看那些悠哉悠哉的野牛们经过。他们的待遇倒是让做人的我们有些羡慕。同行的老师又发话了“要是我是牛,也愿意生活在这里,草木肥美,水源充足清凉,还有那么多形形色色的人可以看了!” (六)特别的雇工体系 在露营的时候,会发现很有趣的事情:负责露营的服务人员很多都是老头老太太,他们总会问往来的游客从哪来。后来知道这些服务人员很多都是志愿服务的,每年的暑假,黄石旅游的唯一旺季,很多志愿者就从美国各州聚集过来工作在各个服务岗位。 再后来我们发现,这些志愿者并不限于美国本土;在餐饮处、纪念品商店都会有国内同胞的身影。我们在吃早饭的时候遇到了一个河北来的小伙,他告诉我们他是通过专门的项目过来实习的。今天在网上查到他说的那个项目,应该是叫work travel USA( http://www.ciee.org/wat/ ),大学生赴美带薪实习项目。 “ 大学生赴美带薪实习( Work Travel USA, 简称 WAT )是美国政府于 1948 年通过了信息及教育交流法案( Smith-Mundt Act ),为交流访问项目建立了基本框架。此法案于 1961 年被纳入并扩展为教育及文化平等交流法案( Fulbright-Hayes Act )。该项目是美国政府开放给国际学生利用假期赴美工作和旅游的机会,目的是让国际学生通过该项目了解美国文化,促进不同文化背景间的相互交流,加深了解,消除隔阂。 该项目在中国大陆推广之前,已经在欧洲,美洲及亚洲其他国家和地区成功运作了 40 余年,每年都有数万大学生利用他们的假期,持 J-1 签证进入美国企业进行为期 8-16 周的短期实习。并利用实习之余的时间,在美境内旅游或实地体验美国生活,了解美国风土人情。项目于 2006 年被引入中国大陆,目前已经有近千位来自中国大陆的学生成功获得在美国实习的工作岗位,并已经顺利完成实习返回国内。 WAT 项目是经美国政府核准的国际青年学生交流活动之一,专门为 18 岁至 28 岁的大学生及研究生设计。然而,大多数在校学生都处于求学阶段,经济能力不足,想要用旅游的方式前往美国达到文化交流的目的,对大多数的学生而言,是一个奢侈的梦幻,同时若仅局限在旅游的活动上,就接触面而言,也很难实现美国政府推动本活动的最初目的。所以 Work Travel 活动在规划之初,就已经为学生设想了经济上的解决途径:特别准许大学生在美国停留期间,可以先从事短期性工作获取收入,来实践接触美国文化,学习语言,建立友谊等文化交流目标。在赚取薪资后,再用它支付到美国各地旅游所需的费用。 ”(来源: http://www.lpssy.edu.cn/s/114/t/44/1b/97/info7063.htm ) 还有一些关于拱门国家公园的山石照片,和nerd同学的雅丹地貌可以比一比,只是同行的摄影装备有差,加上我力不从心的描写,就先到这里。也许同行的王凡同学可以借由她些许的地质专业和优美笔触,娓娓道来那些天的美丽故事。
4755 次阅读|15 个评论
恭喜《中国科学:技术科学》影响因子过1
热度 3 wang6900 2012-6-29 16:11
根据JCR新公布的2011年影响因子,《中国科学:技术科学》影响因子为 1.019. 在技术类综合期刊排名中,位于二区。 《中国科学》8个刊,6个已经过1了。 我们的工作还比较有成效。 技术科学2010年改刊名,有原来的《中国科学E辑:技术科学》改为《中国科学:技术科学》。 英文刊名改为Science China Technological Sciences,标准缩写为Sci China Tech Sci 请大家引用的时候多多注意,2010年(含)以后的发表的文章都要用新刊名。 我们会不断努力。请大家也多多支持。
11583 次阅读|4 个评论
香港人也在吃特供呀!
热度 7 tarimriver 2012-6-24 19:56
香港特区食物及卫生局局长周一岳说香港的肉和菜基本上都是依靠内地来供应,现在 内地有许多专门供港的菜场、猪场 等,内地给了香港很大的支持。在供港食物方面,国家质检总局、广东省都做了很多工作,现在供港食品的安全率达到了 99.999% , 这在全世界都是很难得的。 同样是内地生产出来的产品,内地人咋就吃不上安全食品呢?有人说安全食品是企业生产出来的,对呀,我们吃的食品也不是天上掉下来的,可是送到香港的的就几乎百分之百合格,我们却天天提心吊胆,原来香港人也在吃我们的特供啊! 周一岳继续说: 如果这方面能应用到国家的内销方面,也可以对内地的食品安全问题有所帮助。问题是如果每个人都能吃的特供还是特供吗?
2369 次阅读|7 个评论
[转载]土人设计:湖南张家界黄龙洞哈利路亚音乐厅
bfzhao2001 2012-6-9 12:40
博客作者评论: 用现代建筑语言描述现代人的追求!创造属于这个时代的经典作品! 感谢俞孔坚教授保留了中国知识分子为民为国的朴素情怀!保留了中国知识分子孜孜以求的刻苦精神! 湖南张家界黄龙洞哈利路亚音乐厅 http://www.turenscape.com/project/project.php?id=449 类别:建筑设计 甲方:黄龙洞有限公司 规模:5800m2 (最终建成面积4970 m2) 地点:湖南省张家界武陵源黄龙洞入口广场 状态:2010年建成 特色: 建设地点位于举世闻名的风景区湖南省张家界武陵源黄龙洞的洞前广场,前有索溪河背靠峭壁,因剧场的大部分功能被安排在地坪以下,使得地上部分的体量减少,以避免对风景区的视觉干扰。整体形态是地层结构的剖面,呼应武陵山砂岩峰林核心区周边山地的单斜地壳构造,原设计屋顶撇向东侧主入口,一直到地面,主入口通过东部下沉水广场进入。整体效果和环境相得益彰,并融入环境。夜晚来临,层间玻璃透出暖光,几片弯曲程度不同的岩石飘在空中的感觉更加强烈。 这种形式对于内部功能的意义在于,它把观众厅、舞台、后台、侧台以及舞台上方的挂幕布的空间很好的结合起来,各部分空间都得到充分、恰当的利用。比如外形翘起的高端正好是舞台上方最需要高度的地方,巧妙地解决了传统剧场体型上的难题;又如下沉的舞台设计,使得观众席利用地基土坡成为可能,这样既节约造价,又能获得良好的美学效果,斜坡至地面的屋顶是绿化种植,即有节能效果,同时与东侧的稻田景观溶为一体。环绕建筑周边的水面也是为了建筑的微气候调节设计。 向上反曲的屋面能够把舞台上传出的声音均匀地反射到观众席,尤其是有助于后排观众获得宝贵的前次反射声。 建筑东部景观原为大面积硬地铺装和人工草坪,作为工程的一个部分,土人设计拆掉了广场和草坪及欧式构筑物,恢复了乡土水稻并规划布局了一个原生态的当地民居,成为黄龙洞景区的一大旅游点。 本设计在施工过程中被局部改动,原设计灵感来自大地岩层的断裂、翘起,而不是现在其入口处猴子手里正在翻动的那本书。最初的名称是“黄龙洞剧场”,并不是现在的“哈利路亚音乐厅”。原设计入口下沉,使屋顶直延至地面,但施工过程中广场没有下沉,入口也没能凹入屋檐之下,此为遗憾。
个人分类: 社会学|1964 次阅读|0 个评论
对一起发明人索要职务发明报酬被拒案件的简单评述
热度 5 renyongli 2012-5-27 13:24
偶然间看到一起发明人索要职务发明报酬被拒的案件,深有感触,发表如下评述(为方便起见,将评述发表在字里行间,见黄色背景字体,其余引用原文,原文载于法制晚报2012-5-16,科学网上的转载地址是 http://news.sciencenet.cn/htmlnews/2012/5/264191.shtm 原文著作权归原作者,评述性文字的著作权归本博主) 称专利给宝钢等单位带来利润近亿 老专家重大发明 20 年未获分文 两次分房买不起 上个世纪 90 年代初新疆发现大量石油天然气,输气管道需要穿越几百公里、气温变化从 -30 ℃ 到 50 ℃ 的无人区,技术上存在瓶颈。 金属焊接专家李玉民(化名)专程归国发明出新技术。他表示,至今,这项发明专利给宝钢等单位带来利润近亿元,但自己一分报酬未得。 老人诉讼维权多年,终告败诉。如今他准备继续申诉维权。他表示,自己的发明专利权将于今年 7 月 14 日到期,如果再不维权,耗费一生心血研究出的技术将彻底和自己告别。 发明出炉 为报国放弃高薪 专程海外归来 李玉民已年过七旬,从清华大学毕业后,一直在钢铁研究总院(现更名为中国钢研科技集团)金属焊接研究所工作。 1991 年,新疆发现大量石油天然气,“西气东输”成为我国主要战略决策。而输气管道全长大约 4100 公里,需要穿越几百公里的沙漠、岩石区和沼泽地区,气温变化从- 30 ℃ 到 50 ℃ ,这对焊接材料提出了很高的要求。 当时,我国钢管焊接技术要比欧美等国家落后 10 年,国内大型钢铁企业只能进口焊丝用于管道焊接。而从美国进口焊丝,每吨价格达 7 万元。 “管道又是运输石油天然气的关键。石油天然气事故, 90% 是出现在管道上。”老人说。 李玉民当时被公派到芬兰一家著名钢铁企业工作,待遇优厚。但他看到新闻后,立即申请回国。 他说,当时自己一心只想利用国外学到的技术报国。 他告诉记者,他是 1937 年出生的江苏人,永远不能忘记日本侵略屠杀中国人、父母抱着自己逃难的场景,因此盼中国早日强大的愿望更迫切。 多年来报酬未得 买不起单位福利房 李玉民回国后埋头苦干,最终发明出“低碳微合金化埋弧焊丝”技术,焊接的管道具有在低温条件下高强度、高韧性和抗腐蚀性的特点。 此后,中国基本实现了油气输送管道的国产化,焊丝价格降到每吨 1.1 万元。 “工科和文科不一样,不是一拍脑门就能想出来的,需要做大量实验,一点一点地去试。每天早上五点,我坐在床边,身体靠着墙,就开始分析数据。”他说。 按照有关资料的记载,“低碳微合金化埋弧焊丝”技术,是钢铁研究总院、上海宝山钢铁总厂(宝钢集团前身)、宝鸡钢管厂共同研发的,李玉民是主要研究人员。 1992 年 7 月 14 日 ,钢铁研究总院、宝山钢铁厂和宝鸡钢管厂共同申请了发明专利,李玉民系第一发明人。 按照法律规定,专利实施以后,实施者应按照利润的比例支付给发明人报酬。 (法律上确实有此规定,但现实中执行起来很费劲,除非发明人掌握着最核心的技术诀窍,迫使专利实施者不得不付技术服务费给发明人,否则,发明人能否得到报酬,只能靠实施者的良心了。现实中,对于专利实施过程的经济数据,实施者往往对发明人保密,发明人也很难争取到“查账”的权利,专利转化过程中,是赚是赔,赚多少,赔多少,发明人很难知晓,这首先为发明人要求支付报酬造成了极大的信息不对称的困难。 经验教训:任何时候,都要留一手,保留最关键的技术诀窍秘而不宣,才是迫使专利实施者支付报酬的王道。) 李玉民说,据他了解,截止到 2005 年,宝钢的焊丝总产量已经达到两三万吨。 李玉民说自己不是个爱财的人,但现实让他感到窘迫。 他一直和老伴住在 1991 年单位分配的狭小的房子里,房子的陈设和装修还停留在二十年前,“电视柜”只是个一米多高的老式单门冰箱。他告诉记者,当时单位两次分新房,自己本能分到 120 平方米 甚至更大的房子,但都主动放弃了。 “换房子至少得交将近 40 万元,退休金根本不够,我孩子的收入也不高……那时候我开始想,如果单位给了我发明报酬,我不是就有钱换房了吗?” 说着他有些沮丧地看着窗外:“我一辈子都没住过北房。老了老了真想享受一下北房的阳光。但……没能实现。” 诉讼维权 奔走于京沪两地 索酬 50 万 李玉民多次找负责焊丝合金冶炼的宝钢要说法,未果。李玉民生气了, 2005 年 5 月,他在老伴的陪同下去上海起诉了宝钢集团。“我没请律师。律师费要几万元,我拿不出。”他说。 2006 年 4 月,李玉民撤回起诉。他说,是法官建议他撤诉的,认为案子在北京起诉更合适。 2009 年 7 月、 2009 年 10 月,李玉民两次在北京起诉,但均因起诉的被告主体错误而撤诉。 2009 年 12 月他第三次起诉,终于被法院受理。 被告包括中国钢研科技集团、宝钢集团、宝鸡石油钢管厂以及由钢管厂改制而成的宝鸡石油钢管有限责任公司。李玉民要求四被告支付专利实施报酬 50 万元,并补偿自己没分到房的利益损失。 被告表态 未使用其专利 索赔无据 钢研集团辩称,该集团没有实施涉案专利,也没有就涉案专利获得任何经济效益,李玉民要求给付报酬的诉讼请求不能成立,他提出的房屋补偿款的主张也没有法律依据。 (钢研集团此说法在法律上是站不住脚的。专利法中的“实施”,既可以是自己实施,又可以是许可他人实施。如果宝钢集团象钢研集团支付了技术服务费、专利许可费或将利润的至少一部分交付给钢研集团,则应该认定钢研集团实施了专利。) 宝钢集团则表示,宝钢集团也没有实施过涉案专利,李玉民也没有证据证明其实施了涉案专利,其生产的产品与涉案专利并不相同,在涉案专利授权前,其已经生产过类似产品 。 (发明人举证证明宝钢实施了该专利是非常困难的。 ) 该集团还表示,根据专利法有关规定,发明人获得报酬的基础是职务发明,是利用了本单位的物质技术条件,李玉民不是宝钢集团职工,所以宝钢集团也没有义务给他报酬。 (宝钢此观点也占得住脚,发明人应该主要向其原工作单位即钢研集团索取专利报酬,直接起诉宝钢的话,既然诉讼标的是索取报酬,则被告主体资格有误;如果发明人起诉宝钢侵权的话,则由于发明人不是专利权人,则原告主体资格不符,无法直接起诉宝钢)。 此外,宝钢集团认为此事已经超过诉讼时效。 宝鸡钢管公司及宝鸡钢管厂认为李玉民的起诉没有法律依据,具体诉讼观点与钢研集团和宝钢集团类似。 终审败诉 专利两月后到期 老人将申诉 经过审理,法院驳回了李玉民的诉讼请求。 法院认为,根据在案证据,李玉民发明的专利技术,焊丝的化学成分中应含有 Y (稀土)。根据专利说明书记载,加入 Y 的主要作用是净化焊丝金属。 而宝钢集团自试制焊丝之日起,其焊丝合金不包含稀土 Y ,故与涉案专利不同,不构成专利实施,李玉民无权就此索要报酬。 一审败诉后李玉民上诉。他激动地向记者解释:“ 之所以专利申请内容包括稀土,是因为当时用的铁矿石有杂质,需要利用稀土脱掉硫和磷。但如今,国家进口的铁矿石本身就很纯净,而宝钢如今的技术也很先进,因此才不再需要用于去杂质的稀土。所以无论是否包含稀土,只要其他成分一样,就是一码事。” (发明人的观点显然不对,从法律上讲,只要列入了权利要求中的技术特征,都对该权利要求的保护范围起着限定作用。因此,一旦列入了非必要技术特征,即可有可无的技术特征,则别人可以通过不使用该特征而轻松规避专利权) 但今年 2 月,法院二审判决维持原判。法院认为,既然专利权利要求书明确记载了稀土,就意味着它是必需的组成部分,不包括稀土的技术与李玉民的专利技术无关。 (这个最关键,我阅读了该专利的权利要求书,发现其中稀土元素 Y 确实列在了权利要求 1 中,则在法律上讲,不包含 Y 的技术方案就不构成侵权。法院也正是据此判定宝钢现在使用的技术与发明人的专利技术无关或不侵权) 如今,提到这个案子,李玉民仍然忿忿:“我从事金属焊丝研究 50 多年,非常清楚稀土不是微合金焊丝技术的主要特征。” (技术上说啥也没有用,既然到了法律阶段,就要按照法律规则判断) 宝钢拒绝向李玉民透露涉案产品的利润。但李玉民根据手里掌握的宝钢的订单,估计出其利润至少已经上亿。(要求) 虽然家人都反对李玉民继续维权,但他仍然寄希望于向法院或检察院申诉,并已经开始准备材料。 (本博主客观地预测,该申诉几乎没有胜利希望。发明人的失败,在其将发明创造作为职务发明申请专利时就已经注定了) 他说,根据专利法的规定,自己的专利权将于今年 7 月 14 日终结。“再不维权,两个月后,耗费我一生心血研究而成的技术就彻底和我告别了。”他有些哀伤地说。 (往者不可鉴,来者犹可追。希望后来人在申请专利时,注意自己的申请文件撰写质量以及专利保护布局策略) 原因分析 职务报酬法规政出多门 上海大学知识产权学院教授陶鑫良指出,我国现行的职务报酬法律与政策规范存在规范模糊甚至互有冲突的情况,“政出多门,操作不易”。 此外也有财务限制的原因。由于财政部所制定的企业会计制度对此没有配套规定,企业在财务制度上很难操作。 再者是提取职务报酬的基数难以计算。例如如何计算专利在生产与销售中的贡献率等。 “专利发明人拿不到报酬,会严重打击他们的创新积极性。”陶教授说。 研究机构怕得罪客户 不积极索要发明人报酬 另有一位不愿具名的研究机构专家表示,多年以来存在一种现象,研究单位向客户索要报酬的积极性不高,因此发明人也难拿到报酬。这与也与研究机构的处境有关。 “北京目前有二三十个研究单位,总体经济效益都不好。由于自己没能力将研究产品大规模生产出来,研究单位只能和生产厂家合作。如果生产厂家最终不给研究单位报酬,发明者个人也拿不到报酬。” 该专家表示,研究机构之所以索要报酬的积极性不高,在于研究单位的经济效益来源多元,而与企业合作的技术服务费占了很大比例,专利报酬仅仅是一小部分。 “对于一个大企业客户来说,每年的技术服务费有几千万。为了自身的更大的整体利益,单位肯定不愿为了某个员工的发明而得罪客户。”他说。 专家建议 应展开“发明报酬执法检查” 陶鑫良呼吁,我国应尽快出台《职务发明创造条例》,整合现有法规,明确所有企事业单位都必须遵循,并将职务报酬提取比例的下限统一到“不低于 20 %”的标准。 同时,有关部门应在全国范围内进行一次全面的职务发明创造和职务科技成果报酬规范与制度建立实施的执法检查活动,纠正各单位不当措施。 此外,应当尽快在全国建立公益性、权威性的评估和评判“技术贡献度系数”与“发明人贡献度系数”的评估机构以及专门的中介服务机构。
个人分类: 成果转化纠纷|6732 次阅读|6 个评论
多元复合函数求导法则
zjmjz 2012-4-9 18:12
多元复合函数求导法则: 分段用乘, 分叉用加, 单路全导, 叉路偏导
个人分类: 数学杂谈|5839 次阅读|0 个评论
北京周围的贫困带
热度 1 xuxiujiang 2012-3-9 12:09
北京周围的贫困带 北京周围的有一个鲜为人知的贫困带 ,在这个紧挨北京和天津的环形区域中,大约有 32 个贫困县, 3798 个贫困村,年均收入不足 625 元的贫困人口就达 272.6 万。河北老乡形象地说他们是“灯下黑”,看得见亮,借不上光。 2005 年,亚洲开发银行资助的一份调查报告首次提出“环京津贫困带”的概念,可是这里仍然是个被人遗忘的角落。 找不到归宿的赤城 赤城县南接延庆、东邻怀柔,与北京唇齿相依,山水相连,近的双方的鸡都可以互相串门,对面谁家吵架都听得一清二楚。 一条马路紧相连,一个界碑两重天。一个是雄心勃勃急于跨入“世界城市”行列的现代都市,一个是仍然存在“走泥路”、“住旧房”、“没新娘”的“环首都贫困带”上的国家级贫困县。不少贫困群众的土坯房,夏漏雨、冬透风;粮食靠天收,灾年靠救济;平日连豆腐都吃不起;上医院看病更是连想都不敢想的事。
2526 次阅读|1 个评论
[转载]需要关注的创新管理类期刊:
HUA2010 2011-11-18 09:23
1. Research Policy 2. Technovation 3. Industrial And Corporate Change 4. RD Management 5. Technological Forecasting And Social Change 6. Journal Of Product Innovation Management 7. Technology Analysis Strategic Management 8. Ieee Transactions On Engineering Management 9. Journal Of Product Innovation Management 10. Long Range Planning 11. International Journal Of Technology Management 12. Mit Sloan Management Review 13. Research-Technology Management 14. Energy Policy ....... Management Science 也有创新管理的专区! 可以补充呀!
2275 次阅读|0 个评论
David E. Clapham:如何成为一个成功的博士后
热度 1 xusuowen 2011-6-18 08:23
昨天,老师转发给我一篇文章,是HMS的Dr. David E. Clapham写给年轻的博士后,如何在博士后生涯获得成功,对刚刚毕业的我们非常有帮助,与各位同仁共享: David E. Clapham MD, PhD Harvard Medical School Howard Hughes Medical Institute January 13, 2004 A Few Suggestions on Being a Successful Postdoc Before you decide to become a Postdoc: Ask yourself, do you have a burning desire to do experiments and write papers? Are you willing to work harder than 90% of people in the real world? Do you truly enjoy reading and thinking about science? Is being a scientist about the only thing you imagine you would really enjoy doing? Do you enjoy being in the lab doing experiments. If the answer to these questions is no, then don't become a Postdoc! For the most part, academic science is not a field with good working hours, monetary compensation, or security. Before 1850, the only people who could do science were wealthy. On the other hand, it has tremendous freedom, is continually intellectually challenging, and gives you a shot at seeing what no one in history has seen before. The happiest scientists are those who always feel surprised anyone would pay them to do what they do. Cardinal Rules (主要原则) During the Postdoc 1. READ, EXPERIMENT, ANALYZE, DISCUSS, SUMMARIZE a. READ the literature daily or every other day. Don't put it off. Reading will give you new ideas. b. In biological fields, there is no substitute for LOTS of EXPERIMENTs. But only do experiments that have a clearly interpretable outcome. Bad experiments, at best, waste time. c. ANALYZE and organize your data frequently. Scientists can waste months by neglecting the organization of their own data. Organize the data into preliminary figures FREQUENTLY. Don't wait until you are ready to write the paper. If you delay this process until you decide to write a paper, you will often find you are missing critical data. Also, it is much easier to get over "writer's block" if you already have figures in hand that guide your writing. d. Talk to other in the lab and the PI frequently, always with data in hand. Making figures is invaluable in organizing your thoughts, finding mistakes and being objective about the data. It also documents your contributions. Show your figures to others in the lab-this clearly states to others your territory as well as elicits new ideas you may not have thought of. 2. When you find a good result, start thinking then about what data you need to publish it. THEN START ORGANIZING FIGURES. Sketch out the figures that would be needed to reach a conclusion. Chances are, someone, somewhere is working on the same thing. A month of very hard work can prevent the loss of years of work by being scooped. Strike while the iron is hot! 3. Try your own pet experiments, but move on quickly if the results don't seem promising. Don't hesitate to give up a beautiful hypothesis if the data don't support it. Don't waste time on 20% effects for any great length of time. 4. FOCUS-Don't scatter your precious time over many different directions. Make sure efforts in more than one direction complement each other. Neglecting the above accouts for most productivity problems. Other advice: 5. PUBLISH OR PERISH (腐烂,死亡) is the Darwinian Rule of Academia- this rule will not change. This is fair, since Why should taxpayers pay for you to do experiments for your own entertainment? Think of some poor hard-working citizen earning minimum wage at 2 full time jobs (not uncommon). They are giving money to you in hopes you will help solve their kid's, spouse's, parent's disease. The only way anyone knows you are doing anything with your time is if you publish. How much should you expect to publish? An average of one good paper per year (reviews don't count, BBRCs ( Biochemical and Biophysical Research Communications , IF : 2.5 左右) papers may be negative numbers). Two great Cell, Nature, Science , etc papers over a four year period will get you an excellent job if you can speak reasonably well . But other papers that are highly respected will also get you a job, even if not in these journals. Don't be so bent on a Nature paper that you force the beautiful hypothesis into a publication that turns out to be incorrect. Sloppy and strikingly incorrect papers are dominant negatives ( 显性负调控 ) , no matter where they are published. Publications are like your children, they reflect directly on you! If you make good children, they will take care of you later. If you don't publish you can't get grants , a job , or promotion . 6. Give frequent presentations -this will help you organize your thoughts and develop your organizing and speaking skills. These are CRUCIAL skills in academia. Ask for comments on the clarity of your presentation. ALWAYS practice a talk in a friendly but critical audience before giving a talk outside the lab. When talking in public, don't hesitate to admit you don't know something. When you are wrong, admit it. 7. Never speak ill of another person. Find something constructive to say or don't say it (it always gets back to the person). In talking to the PI ( principal investigator ,主要研究者,项目负责人) , focus on data, NOT lab personalities or complaints about other people unless they are completely blocking your progress, abusing your openness, or doing something bad (e.g. illegal). Turf (踢走,扔) all personal incompatibilities to the PI and let him/her handle the problem. 8. Be self-critical. Bias and wish fulfillment are the chief stumbling (阻碍的,绊倒) blocks of human progress! (the earth was thought to be the center of the solar system because we wanted it to be, not because it was). Be critical with others, but only in a constructive way, and focus on data, not personality. Never make an ad hominum attack (人身攻击) . 9. Be a good lab citizen. Take responsibility for getting things fixed that are shared. If you are irresponsible, others will soon recognize that point. Be generous. Generosity is rewarded in kind, and often in excess. 10. Avoid authorship squabbles ( 争吵) Read your university authorship guidelines before even thinking about raising this issue. Authorship fights are very time-consuming and harmful to all. Document what you have done, state it clearly, talk with other coauthors. If a hint of conflict arises, let the PI sort out authorship. If the PI seems unfair, discuss your contributions to the work with the PI, trying to be open-minded and fair. If you cannot reach a reasonable agreement, determine whether the battle is worth the time. If you do, then ask the PI to discuss it with all coauthors. If agreement still cannot be reached, other faculty members can be asked to help sort it out in an impartial way, or the university ombudsman can use the authorship rules of the university to try to arrive at a fair conclusion. Denoting "equal first authors" is a much more efficient route than fighting over small gradations of credit. Be objective, but generous. In general, combativeness and selfishness only work in the short run. 11. Don't waste time on courses and wildly irrelevant seminars; you are no longer in school. Don't get a second job, research is a full, 60-80 hour a week occupation. If you are lucky or a genius, you may be able to never work on weekends. Most successful postdocs work 6 days. But don't forget to take time off to rest. Have fun in the lab; make it enjoyable for all. ( If you think it will get better as an assistant professor, you are wrong ). 12. Don't dwell endlessly on what is not possible due to the lack of a piece of equipment, a reagent, etc. Dwelling on roadblocks is the sign of a person who doesn't really want to do something anyway. Really productive postdocs go around or over roadblocks . Volunteer to solve problems once in a while. 13. Don't hit the ball into another person's court and expect anything to happen. If you are relying on somebody else to get something done, you will probably have to bother that person several times (unless you are offering money). Collaborations only work with frequent interchange, deadlines, and clear expectations. 14. Resist jealousy ! It is destructive to your psyche, and leads you down "me too" paths! 15. Frustration and depression . Science is a manic-depressive (躁狂 - 抑郁) business. There are long periods of frustration followed by frenetic (发狂的) periods of success and elation (得意) . As happens the first year after the coursework in graduate school, there is a period when nothing works and all seems hopeless. Talk over frustrations and experimental problems with your labmates and PI. Often talking about the problem either helps you see a solution, elicits (引出) some good suggestions, or at least gives you a humorous perspective. Clinical depression is not uncommon-be willing to seek help from the PI and health services if it happens. The pioneering scientists, Georg Cantor (康托, 23 岁获博士学位,以后一直从事数学教学与研究。他所创立的集合论已被公认为全部数学的基础。 1918 年 1 月 6 日,康托在一家精神病院去世 ) and Kurt Goedel (爱因斯坦的一个朋友、奥地利数学家库尔特 · 戈德尔) both became clinically depressed working on the impossible continuum hypothesis ( 连续统假设) for many years. Those who are fixed on the idea that their hypothesis must be right, or unwilling to "cut their losses" are the most susceptible. The hardest problem of all is deciding when to jettison 放弃,抛弃 ) idea that does not seem to be working out (persistence vs. retreat). There is no good answer to this dilemma-some scientists succeed by persistence, others by trying many separate projects. If you have a lot of data that seems to be going nowhere, cut your losses and publish whatever is useful from it. Then MOVE ON to new ideas. Many are reluctant to admit defeat, or reluctant to give up on lost time and data. Remember that you have not really "lost" the time, but don't keep digging the same hole. Have faith-if you try many approaches, keep reading, analyzing, and thinking, you will hit on something new. If you keep doing experiments and are open to the unexpected, you will discover new results. It often does not turn out to be the hypothesis you had in mind, but that is the fun part of science. 16. Don't slavishly follow anyone's advice, including mine . Science is freedom ! JUST DO IT! “Nature may be subtle but it is not malicious”.
2506 次阅读|1 个评论
神的颜色
热度 2 hxgwzu 2011-5-23 21:49
神的颜色
对于玛雅人(the Maya)来说,蓝色是神的颜色。为了宗教目的、艺术品和壁画,他们使用“玛雅蓝”(Maya blue)——一种寓意了勇敢、美丽和坚韧的无可匹敌的颜料。“玛雅蓝”是用嵌在一种特殊的被称为坡缕石(palygorskite)的粘土矿物中的靛蓝(indigo)制成的。 一支由西班牙巴伦西亚大学的Antonio Doménech教授领衔的研究团队,发现一些玛雅黄(Mayan yellow)颜料都基于相似的化学组分。正如他们在国际著名刊物 Angewandte Chemie 所报道的,玛雅人似乎早已研发出了一种制备技术,不只限于玛雅蓝的制备,而且领先于现代的有机—无机杂化材料合成技术。 玛雅蓝是很迷人的。它有一种特殊的亮度和非凡的色彩,从亮蓝绿色到深绿蓝色,色彩很丰富。这种色彩到底是源于独特的有机成分,还是独特的分子结合,抑或是独特的生产工艺?Doménech教授及其团队检验了这些假设。他们猜测,这种色彩是由靛蓝(indigo)和脱氢靛蓝(dehydroindigo,indigo的氧化态)之比决定的,而这一比例依赖于玛雅人“加热他们反应方程式”的时间长短。这一工艺允许有不同种类的,始于靛蓝化合物及矿物质的加合化合物(addition compound)的形成。研究者进一步猜测,玛雅人还能够从靛蓝基颜料出发生产黄色和绿色的颜料。综合运用光谱、电化学等现代分析技术和其它微观分析技术进行系统的研究,证实了如上判断。 (2,2'-Bis(2,3-dihydro-3-oxoindolyliden), Indigotin) Reference: From Maya Blue to "Maya Yellow": A Connection between Ancient Nanostructured Materials from the Voltammetry of Microparticles A. Doménech, M. T. Doménech-Carbó, M. L. Vázquez de Agredos-Pascual, Angew. Chem. Int. Ed. 2011 . DOI: 10.1002/anie.201100921
个人分类: 分享|5179 次阅读|2 个评论
赠社区工作者
yangyongtian 2011-3-8 07:41
勤政共产党干部清廉奉献勤政 居民委员会主任热情服务居民
个人分类: 对联|2030 次阅读|0 个评论
[转载]What Do You Really Want from Us?
冯用军 2011-2-2 17:51
《What Do You Really Want from Us?》 When we were the sick man of Asia, we were called the yellow peril. When we are billed to be the next superpower, we are called the threat. When we closed our doors, you smuggled drugs to open markets. When we embrace free trade, you blame us for taking away your jobs. When we were falling apart, you marched in your troops and wanted your fair share. When we tried to put the broken pieces back together again, free Tibet you screamed, It was an invasion! When tried communism, you hated us for being communist. When we embrace capitalism, you hate us for being capitalist. When we have a billion people, you said we were destroying the planet. When we tried limiting our numbers, you said we abused human rights. When we were poor, you thought we were dogs. When we loan you cash, you blame us for your national debts. When we build our industries, you call us polluters. When we sell you goods, you blame us for global warming. When we buy oil, you call it exploitation and genocide. When you go to war for oil, you call it liberation. When we were lost in chaos and rampage, you demanded rules of law. When we uphold law and order against violence, you call it violating human rights. When we were silent, you said you wanted us to have free speech. When we are silent no more, you say we are brainwashed-xenophobes. “Why do you hate us so much﹖”we asked. “No,” you answered, “we don't hate you.” We don't hate you either, but, do you understand us? “Of course we do, ”you said, “We have AFP, CNN and BBC's ……” What do you really want from us? Think hard first, then answer, Because you only get so many chances. Enough is enough, enough hypocrisy for this one world. We want one world, one dream, and peace on earth. This big blue earth is big enough for all of us. 附中文解读: 美国纽约州立大学水牛城分校退休华裔物理学荣誉教授林良多(Duo-Liang Lin)在美国《华盛顿邮报》上发表了一首英文诗《你们究竟要我们怎样生存?》,随后在互联网上热传并引起中西方网友热议。这首诗表达了许多美籍华人长期以来内心的压抑和愤慨,因此被评论为是多年来受到双重标准困扰的海外华人向西方偏见“射出的一记利箭”。该诗全文翻译如下: 你们究竟要我们怎样生存? 林良多 当我们是东亚病夫时,我们被说成是黄祸; 当我们被预言将成为超级大国时,又被称为主要威胁。 当我们闭关自守时,你们走私鸦片强开门户; 当我们拥抱自由贸易时,却被责骂抢走了你们的饭碗。 当我们风雨飘摇时,你们铁蹄入侵要求机会均等; 当我们整合破碎山河时,你们却叫嚣“给西藏自由”。 当我们推行马列救国时,你们痛恨我们信仰共产主义; 当我们实行市场经济时,你们又嫉妒我们有了资本。 当我们的人口超过十亿时,你们说我们摧毁地球; 当我们限制人口增长时,你们又说我们践踏人权。 当我们一贫如洗时,你们视我们低贱如狗; 当我们借钱给你们时,你们又埋怨使你们国债累累。 当我们发展工业时,你们说我们是污染源; 当我们把产品卖给你们时,你们又说造成地球变暖。 当我们购买石油时,你们说我们掠夺资源、灭绝种族; 当你们为石油开战时,却说自己解救生灵。 当我们动乱无序时,你们说我们没有法治; 当我们依法平暴时,你们又说我们违反人权。 当我们保持沉默时,你们说我们没有言论自由; 当我们敢于发声时,又被说成是洗过脑的暴民。 我们不禁要问:“为什么你们这样憎恨我们?” 你们回答说:“不,我们不恨你们。” “我们也不恨你们,只是,你们了解我们吗?” “当然了解,我们消息多的是,有法新社、美国有线新闻网、还有英国广播公司……” 你们究竟要我们怎样生存? 回答之前请仔细想一想,因为你们的机会是有限的。 够了,这个世界已经容不下太多的伪善。 我们要的是同一个世界,同一个梦想,太平盛世。 这个辽阔的蓝色地球, 容得下你们,也容得下我们。
个人分类: Politics Review|1968 次阅读|0 个评论
再次呼吁科学家关注“幼-小-中-大”四级教育
热度 3 arithwsun 2011-1-23 06:19
刚看了一篇 裴宜理的文章 ,忍不住还是写了这篇题目,先摘句如下: 1. 『 近20年来中国虽然到处都发生了各式各样的群体性事件,但几乎都缺少知识分子的领导——这对中国的政治稳定应该说是一个好事。 』 为什么呢?因为最热血的年轻人一代,他们的最大关注点,在于“出国”,我在以前的博文中曾经言及此意,共产党应该继续实行人才流动自由的政策,就能继续保持住裴宜理所言之实。 没有出国的知识分子呢,裴宜理的认识是, 2. 『 知识分子不该只关心自己的利益 』 科学网博客上的帖子主题,统计一下,应该可以提供很好的例证。 3. 『 一个社会首先要有各式各样的政治组织和社会组织才能实现真正的民主化 』 这也是我一直不看好“民主”旗号的原因所在,最近十年之内,不用在意这件事情。那么,共产党真正需要在意的两件事情,以前的那篇博文论及过,大意是: A. 教育问题。 B. 台湾问题。 只要这两件事情做好,共产党有功于中华民族,自然能宝刀不老,长盛不衰。 上面都是引子,现在把这些碎片信息整合,再次呼吁科学家关注“幼-小-中-大”四级教育。 知识分子们,不愿意领导“群体事件”,那么,他们是否愿意领导教育呢?我们的科学家们,尤其是顶级科学家们,是否愿意领导“幼-小-中-大”四级教育呢? 感觉目前的口号不对,不断地呼吁“教育家”的出现,其实更加正确的应该是,呼吁科学家们关注教育,领导教育。 当然,科学家们和顶级科学家们即使想领导,也不见得获得直接的拥护,上述的口号,也许就是一个见证。但是,毛主席闹革命,也不是要求所有人都拥护他的,路都是靠人走出来的,不能政府不支持,科学家尤其是顶级科学家就放弃了自己的行动,顶多是发几句牢骚,写几段内参而已。 对于大多数科学家们来说,还是有自己的孩子的,还是有自己的孙子的,他们一样是暴露在当前的教育环境之中。所以,科学家领导教育,就是关注自己的利益,自利利他。 政府的路走不通,科学家们完全可以试试别的路,把事情先做起来再说,你是科学家啊,不是普通人,尤其是在中国当前环境下,著名科学家人数极少,反而个人发言权可以很大。 科学家领导教育,是改变中国的重大动力。 争夺领导权,是一场必然。一位北京著名中学的副校长,到我系座谈时(那时他是硕士,现在已经是博士了),放言,大意是,中学数学,应该是教育(家)的数学,不应该是数学家的数学(注:本文不在这个题目上说理了)。 这不是领导权之争,是什么? 我们科学家,争领导权的方法,应该跟老一辈有所不同,不是做了高官,才可以施展当年的抱负。科学家们完全可以另想他法,不唱民主之名,而行民主之实,走“ 自治和共享”精神之路,达成教育理想的彼岸。 自治和共享精神才是民主的精髓, 是那些政党组织和社会组织的运行原则。 家庭是社会的细胞,中国的当前情况是,这个细胞之上,缺少中间结构来组织,因而无法产生活跃的肌体。这个中间结构,就是各种规模的公益性“社会组织”, 公益=自治+共享, 这是我的定义,不是法律文件定义,畅想下一个十年,政治进步上应该是“公益”发展的十年。 每一个具体的公益组织,基本单位越小越好,现在是网络的社会,完全有技术可以把基本单位做小,然后通过网络支撑联系起来。
个人分类: Book-W|5419 次阅读|9 个评论
Yellow Lemon Tree
weisman 2010-1-17 09:01
I'm sitting here in the boring room It's just another rainy Sunday afternoon I'm wasting my time I got nothing to do I'm hanging around I'm waiting for you But nothing ever happens and I wonder I'm driving around in my car I'm driving too fast I'm driving too far I'd like to change my point of view I feel so lonely I'm waiting for you But nothing ever happens and I wonder I wonder how I wonder why Yesterday you told me 'bout the blue blue sky And all that I can see is just a yellow lemon-tree I'm turning my head up and down I'm turning turning turning turning turning around And all that I can see is just another lemon-tree I'm sitting here I miss the power I'd like to go out taking a shower But there's a heavy cloud inside my head I feel so tired Put myself into bed While nothing ever happens and I wonder Isolation is not good for me Isolation I don't want to sit on the lemon-tree I'm steppin' around in the desert of joy Baby anyhow I'll get another toy And everything will happen and you wonder I wonder how I wonder why Yesterday you told me 'bout the blue blue sky And all that I can see is just another lemon-tree I'm turning my head up and down I'm turning turning turning turning turning around And all that I can see is just a yellow lemon-tree And I wonder, wonder I wonder how I wonder why Yesterday you told me 'bout the blue blue sky And all that I can see, and all that I can see, and all that I can see Is just a yellow lemon-tree http://ting.blog.gougou.com/ting?cid=541EAEC72A7FCD3AB3DA6E637E4C1C956FC963C8tit=lemon%20treesinger=fool's%20gardenti=1rid =
个人分类: 歌曲欣赏|3873 次阅读|0 个评论

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