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The days working as a teaching assistant
stevenbupt 2012-12-25 05:21
I have worked as a teaching assistant (TA) for four consecutive semesters since I came to this school last year. Overall the experience is joyful and rewarding, sometimes dismaying and discouraging. The first semester’s teaching was awful. My classmate and I, two fresh PhD students, were assigned to an undergraduate course, The Advanced Programming, teaching them how to program in C. At the first semester in US our job responsibilities included grading their assignments and quizzes weekly and holding the recitations (an exercise classes) in turn biweekly. The instructor was a kind person but gave a lot of assignments, so we had a lot to do considering the size of class with about 50 students. What was worse was the recitations, I having no idea what I should do. It was supposed to be an exercise class we helping them fix the bugs in their program. However, the student might have a different expectation, they expecting us to demonstrate how to solve the problems rather than exploring the way with our assistance. Meanwhile as our limited language capability, it was hard for us to be an effective and efficient TA. At the end of semester, both of us received a very poor course evaluation and the department sent it to us in mail explicitly. At the very beginning of the second semester, the chair switched me to another course, Computer Architecture. Until to now I still don’t know why he did that. It might be I was few students getting A in his graduate level class or he might be unsatisfied with my classmate’s and my performance on The Advanced Programming. It turned out to be a very good decision to me. From then on I became the self-dependent only TA. The instructor of the course was a disgruntled American faculty who was forced to teach this course when he was planning to release a new version of his famous open source tool. The imposed teaching duty made him unhappy but he treated me very well. He gave much less assignments to students than my former boss. What was better was I started to enjoy holding the recitations. With the help on my spoken English from International Teaching Assistant Training teachers, I gained a lot of confidence in presenting in front of these native speakers and started to gossip with them in and after class. I did not receive student evaluation result from the department after the spring semester. But I assumed it was good because unluckily I was assigned as the only TA on The Advanced Programming again in the following summer semester. Generally for summer semester, the department opens limited course so the demand for TAs is low and good ones get their rewards, working in summer, while ordinate ones get their penalties, taking away from their job duties. Initially it seemed so unfair to me because my other classmates got the same pay by doing nothing while I had to prepare class materials, grade assignments and hold recitations along with preparing my qualifying tests on August. Unfortunately, the instructor was an adjunct faculty and he was so lazy that I did almost everything. To be frank, I did not enjoy the work most of time. My complaint mainly arose from the heavy workload comparing to my tight time schedule for the qualifying tests. After passing my qualifying tests, I declined an offer of working as a research assistant because I had no confidence in the new coming faculty and choosing him as my advisor might be a little risky. And I turned to a faculty and it turns out to be wise choice later. But the bad side was I had to continue work as a TA as I was the last one on his bench. Then I met the best instructor for a TA forever. He graded all the assignments, quizzes and exams. Moreover, he prepared all the materials for my recitation classes. What I needed to do was presenting the answers to the students in classes, my favorite part of TA duties. I enjoyed the teaching and the conversations between us were hilarious. What I did not expect was one day the instructor sent me an Email for he wanted me to be his TA if he would teach the same course next semester. The email really made my day. In retrospect the days I worked as a TA, the best part was the students I encountered. Most of them were very nice. They were patient and willing to correct my language mistakes. And they were encouraging and said good things about me. When I met them on the hallway, we greeted each other, did fist punch and gossiped together. In certain sense, they were my teacher to help me communicate; interact with people off the campus. During the Christmas season, may your guys a brighter prospect from my bosom heart.
3249 次阅读|0 个评论
抗凝药利伐沙班与血栓栓塞研究的知识发现
xupeiyang 2012-9-20 09:41
通用名:利伐沙班片 英文名:Rivaroxaban tablets 汉语拼音:LiFaShaBanPian 用于预防髋关节和膝关节置换术后患者深静脉血栓(DVT)和肺栓塞(PE)的形成。也可用于预防非瓣膜性心房纤颤患者脑卒中和非中枢神经系统性栓塞,降低冠状动脉综合症复发的风险等。 利伐沙班高度选择性和可竞争性抑制游离和结合的Xa因子以及凝血酶原活性,以剂量-依赖方式延长活化部分凝血活酶时间板(PT) 和凝血酶原时间(aPTT)。利伐沙班与磺达肝素钠/肝素的本质区别在于它不需要抗凝血酶III参与,可直接拮抗游离和结合的Xa因子。而肝素则需要有抗凝血酶III才能发挥作用,且对凝血酶原复合物中的Xa因子无效。 检索用词: A-query: thromboembolism 血栓栓塞 C-query: Rivaroxaban 利伐沙班 The B-list contains title words and phrases (terms) that appeared in both the A and the C literature. 328 articles appeared in both literatures and were not included in the process of computing the B-list but can be viewed here . The results of this search are saved under id # 16829 and can be accessed from the start page after you leave this session. There are 1729 terms on the current B-list (在文献中发现206个隐含知识概念,对科研选题和相关研究有参考价值 are predicted to be relevant ), which is shown ranked according to predicted relevance. The list can be further trimmed down using the filters listed in the left margin. To assess whether there appears to be a biologically significant relationship between the AB and BC literatures for specific B-terms, please select one or more B-terms and then click the button to view the corresponding AB and BC literatures. Use Ctrl to select multiple B-terms. Sem_filter: Chemicals Drugs Viewed B-terms Wed Sep 19 20:25:43 2012 fondaparinux C_query_raw: Rivaroxaban Wed Sep 19 20:34:59 2012 C: Rivaroxaban 674 A: pubmed_query_A 51794 AC: ( thromboembolism ) AND ( Rivaroxaban ) 328 C query = Rivaroxaban started Wed Sep 19 20:35:00 2012 C query resulted in 674 titles A AND C query resulted in 328 titles 1729 B-terms ready on Wed Sep 19 20:35:09 2012 B-list on Wed Sep 19 20:35:27 2012 1 fondaparinux 2 enoxaparin 3 direct factor xa 4 direct thrombin 5 clopidogrel 6 thromboprophylaxis 7 knee replacement 8 oral direct 9 nonvalvular atrial fibrillation 10 antiphospholipid syndrome 11 total knee arthroplasty 12 antiphospholipid 13 hip knee arthroplasty 14 generation oral 15 unfractionated heparin 16 recombinant activated 17 lupus anticoagulant 18 heparin induced thrombocytopenia 19 direct thrombin inhibitor 20 molecular weight heparin 21 weight heparin 22 nonvalvular 23 stroke prevention atrial 24 dabigatran 25 total knee replacement 26 induced thrombocytopenia 27 dvt 28 cardioembolic stroke 29 valvular atrial fibrillation 30 cardioembolic 31 prevention deep 32 or knee replacement 33 total knee 34 physician evidence based 35 activated factor vii 36 apixaban 37 patient nonvalvular atrial 38 heparin induced 39 prevention deep vein 40 knee arthroplasty 41 versus warfarin 42 anticoagulation atrial 43 stroke prevention 44 oral direct factor 45 factor xa inhibitor 46 anticoagulation atrial fibrillation 47 xa inhibitor 48 risk stroke 49 oral anticoagulation 50 oral anticoagulant 51 deep vein thrombosis 52 atrial appendage 53 ischaemic stroke 54 prothrombin complex concentrate 55 deep venous thrombosis 56 left atrial appendage 57 acute coronary syndrome 58 total hip or 59 thrombosis pulmonary 60 patient heparin induced 61 ischemic stroke 62 patient heparin 63 oral direct thrombin 64 treatment atrial 65 deep vein 66 thrombosis pulmonary embolism 67 recurrent venous 68 total hip 69 hip knee 70 deep venous 71 vein thrombosis pulmonary 72 xa 73 thrombophilia 74 factor xa 75 left atrial 76 etexilate 77 complex concentrate 78 arthroplasty a 79 acute coronary 80 inr 81 platelet glycoprotein 82 atrial fibrillation stroke 83 self management 84 patient atrial fibrillation 85 antithrombotic therapy 86 arthroplasty 87 european society cardiology 88 acute pulmonary embolism 89 guideline atrial fibrillation 90 blood thinner 91 versus enoxaparin 92 patient atrial 93 ischaemic attack 94 oral anticoagulant therapy 95 anticoagulant therapy 96 vte 97 non valvular 98 thrombosis american college 99 transient ischaemic 100 prevention deep venous 101 thromboprophylaxis major 102 prevention thromboembolic 103 hip arthroplasty 104 atrial fibrillation a 105 warfarin prevention 106 heparin thromboprophylaxis 107 thromboembolic disease 108 atrial fibrillation part 109 stroke prevention patient 110 antithrombotic therapy prevention 111 vein thrombosis 112 warfarin nonvalvular 113 warfarin patient atrial 114 weight heparin thromboprophylaxis 115 thrombolysis 116 therapy atrial fibrillation 117 warfarin nonvalvular atrial 118 therapy atrial 119 testing thrombophilia 120 warfarin atrial fibrillation 121 procoagulant 122 thrombin inhibitor 123 recombinant activated factor 124 anticoagulation clinic 125 coagulopathy 126 prevention thrombosis 127 antiplatelet 128 thromboplastin 129 atrial fibrillation 130 prevention thromboembolic disease 131 venous thrombosis 132 antithrombotic 133 unfractionated 134 perioperative management 135 anticoagulant treatment 136 thrombolysis myocardial infarction 137 non valvular atrial 138 tissue factor pathway 139 joint replacement 140 enoxaparin total 141 novel oral anticoagulant 142 anticoagulation therapy 143 anticoagulation 144 stroke transient ischaemic 145 hip 146 valvular 147 prophylaxis deep vein 148 hip or knee 149 compared warfarin 150 therapy antiphospholipid syndrome 151 fibrillation 152 knee arthroplasty a 153 warfarin 154 vitamin k antagonist 155 patient non valvular 156 prophylaxis deep 157 antithrombotic drug 158 stroke risk 159 anti xa 160 antithrombotic activity 161 stroke risk patient 162 stroke transient 163 anticoagulant thromboprophylaxis 164 pulmonary embolism 165 anti factor xa 166 acp journal club 167 dabigatran etexilate 168 symptomatic deep 169 stroke or embolism 170 heparin platelet factor 171 bleeding risk 172 anticoagulant atrial fibrillation 173 antiplatelet agent 174 platelet function 175 arthroplasty a meta 176 lower limb arthroplasty 177 emerging anticoagulant 178 anticoagulant therapy atrial 179 following major orthopedic 180 atrial fibrillation new 181 platelet aggregation 182 stroke atrial 183 or transient ischaemic 184 rate rhythm control 185 thrombin generation 186 platelet glycoprotein vi 187 prevention pulmonary embolism 188 vein thrombosis a 189 stroke patient atrial 190 pharmacokinetic pharmacodynamic 191 enoxaparin preventing 192 stroke atrial fibrillation 193 prevention atrial fibrillation 194 disease antithrombotic 195 vitamin k 196 ischaemic stroke transient 197 warfarin patient non 198 perioperative stroke 199 thromboembolic 200 alternative warfarin 201 stroke or transient 202 joint arthroplasty 203 disease antithrombotic therapy 204 antithrombotic agent 205 vte disease 206 heparin warfarin 207 hip or 208 canadian cardiovascular society 209 factor viii 210 acute deep vein 知识发现平台 http://arrowsmith.psych.uic.edu/cgi-bin/arrowsmith_uic/edit_b.cgi?refresh=TID=16829 研究论文计量分析结果如下: Important words Frq 1 idraparinux 17 2 fondaparinux 51 3 vte 106 4 thromboprophylaxis 75 5 enoxaparin 84 6 xa 168 7 thromboembolism 249 8 clinicaltrial 11 9 fxa 31 10 anticoagulant 221 11 tkr 17 12 ximelagatran 13 13 nonmajor 6 14 lmwh 32 15 thromboembolic 76 16 venous 242 17 thromboprophylactic 8 18 warfarin 62 19 anticoagulation 69 20 noac 3 Topics Frq 1 Anticoagulants 125 2 Morpholines 120 3 Thiophenes 120 4 Venous Thromboembolism 81 5 Factor Xa 76 6 Administration, Oral 65 7 Benzimidazoles 42 8 Thromboembolism 42 9 Pyridines 37 10 Fibrinolytic Agents 35 11 Enoxaparin 32 12 Postoperative Complications 31 13 Arthroplasty, Replacement, Hip 28 14 Pyrazoles 28 15 Pyridones 28 16 Arthroplasty, Replacement, Knee 27 17 Clinical Trials as Topic 25 18 Hemorrhage 25 19 Treatment Outcome 24 20 Randomized Controlled Trials as Topic 21 Author frq 1 Misselwitz F 23 2 Haas S 18 3 Turpie AG 15 4 Eriksson BI 14 5 Kakkar AK 12 6 Huisman MV 11 7 Ageno W 10 8 Dahl OE 10 9 Borris LC 9 10 Lip GY 9 11 Kalebo P 8 12 Lassen MR 8 13 Bauer KA 7 14 Kwong LM 7 15 Lees M 7 16 Perzborn E 7 17 Agnelli G 6 18 Buller HR 6 19 Diamantopoulos A 6 20 Fisher WD 6 Affiliations frq 1 USA 29 2 Hamilton 21 3 Department of Medicine 19 4 UK 14 5 Italy 12 6 London 12 7 McMaster University 12 8 Ontario 11 9 Germany 9 10 Boston 8 11 Canada 8 12 Department of Orthopaedic Surgery 8 13 Wuppertal 8 14 Department of Clinical Medicine 7 15 France 7 16 King's College Hospital 7 17 Varese 7 18 Bayer HealthCare AG 6 19 City Hospital 6 20 Department of Internal Medicine 6 Journals frq 1 Thromb Res 13 2 N Engl J Med 12 3 Thromb Haemost 12 4 Hamostaseologie 8 5 J Thromb Haemost 8 6 Curr Vasc Pharmacol 6 7 Dtsch Med Wochenschr 6 8 Lancet 6 9 Am J Manag Care 5 10 Ann Fr Anesth Reanim 5 11 Curr Pharm Des 5 12 Drugs 5 13 J Thromb Thrombolysis 5 14 Vasc Health Risk Manag 5 15 Br J Clin Pharmacol 4 16 Circulation 4 17 Clin Appl Thromb Hemost 4 18 Expert Opin Investig Drugs 4 19 Expert Opin Pharmacother 4 20 J Bone Joint Surg Br 4 Topics Authors Affiliations Journals Year Clustered by topic Topics Frq Most recent articles 173 1 Venous Thromboembolism 81 2 Factor Xa 76 3 Administration, Oral 65 4 Benzimidazoles 42 5 Thromboembolism 42 6 Enoxaparin 32 7 Clinical Trials as Topic 25 8 Antithrombins 8 9 Hypertension, Pulmonary 1 Not indexed by topic 1 信息分析平台 http://arrowsmith.psych.uic.edu/cgi-bin/arrowsmith_uic/AnneOTate_summarize.cgi?ID=16254t=fw=mc
个人分类: 知识发现|3799 次阅读|0 个评论
[转载]Society at a Glance Asia Pacific 2011
whyhoo 2012-1-2 20:33
Foreword This is the second edition of Society at a Glance: Asia/Pacific, the biennial OECD overview of social indicators. This report addresses the growing demand for quantitative evidence on the state of and trends in social well-being. It updates some indicators included in the first edition and adds some new ones. Additionally, this edition makes a considerable effort to return to the roots of the publication with its “At a Glance” overview. It reduces the number of indicators to 25. There is a strong focus on simple language and a shorter text. Charts and boxes are direct and simple and reflect a higher degree of standardisation. We believe that such an approach is essential in this increasingly information-rich age. The 2011 report includes 36 countries and economies for which comparable data are available, compared to the 25 covered in the 2009 edition. This report includes a special focus on unpaid work (Chapter 1). It also provides a guide to help readers in understanding the structure of social indicators (Chapter 2), and a summary – Society at a Glance, at a glance (Chapter 3). More detailed information on all indicators, including those not in this edition, can be found on the OECD web pages (www.oecd.org/els/social/indicators). This report was prepared by Simon Chapple. As this report addresses a wide range of topics, it would have been impossible to complete without the contributions of many people inside and outside the OECD Social Policy Division. These include Alexandra Bytchkova, Michael De Looper, Angelica Del Pero, Pauline Fron, Maxime Ladaique, Luca Lorenzoni, Marlène Mohier, Andrew Reilly and Kim Robin. Monika Queisser, Head of the OECD Social Policy Division, supervised the report. 原文见 http://www.oecd-ilibrary.org/docserver/download/fulltext/8111081e.pdf?expires=1325507995id=idaccname=guestchecksum=80A24F25EF52893C2F3350A6245DB15D
个人分类: 社会|1403 次阅读|0 个评论

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