A theoretical study of hetero diels alder reactions
A theoretical study of hetero diels alder reactions
... of Lewis acid catalyst BF3 on the mechanism of hetero Diels- Alder reactions Calculations show that effects of catalyst are complicated effects are different for different pathways Chapter Theoretical ... zero, it is called anti bond orbital (σAB*) The normalized and orthogonalized hA is called natural hybrid orbital (NHO, hA’) σAB can always be written as caha’ + cbhb’ and σAB* as caha’ - cbhb’ ... Petersson, G A. ; Montgomery, J A. ; Raghavachari, K.; Al-Laham, M A. ; Zakrzewski, V G.; Ortiz, J V.; Foresman, J B.; Cioslowski, J.; Stefanov, B B.; Nanayakkara, A. ; Challacombe, M.; Peng, C Y.; Ayala,...
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A theoretical study of CH x (x=o, n, s, p and pi) interactions
... Born-Oppenheimer Approximation, The One-Electron Approximation, The Linear Combination of Atomic Orbital (LCAO) Approximation 2.2.1 The Born-Oppenheimer Approximation2 One of the most important approximations ... disubstituted ethanes 167 6.3.2 General trend of CH · X (X= O, N, S and P) intramolecular interactions 174 6.3 Energy of intramolecular CH · X (X= O, N, S and P) interaction and 175 Topological parameters ... variational principle is the basis for the variational determination of a wavefunction The variational principle states that the expectation value or average value of the energy for an approximate wave...
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Báo cáo khoa học: Theoretical study of lipid biosynthesis in wild-type Escherichia coli and in a protoplast-type L-form using elementary flux mode analysis potx
... detectable in the cell wall-free mutant These findings stand in contrast to a subsequent analysis of singlegene knockout data indicating that E coli can only survive if at least L1-P-EtAmine and a lipid ... synthesis of unsaturated and saturated fatty acids, phospholipids (including cardiolipin), and lipid A It is important to study the metabolism of the glucosamine-based lipid A, because it is a major ... substrates In contrast, side modes use products of interest as substrates An example of such a side mode is an EFM that converts lipid A into lipid A (ca) Redundancy as a main characteristic of the wild-type...
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Báo cáo khoa học: Adenine and adenosine salvage pathways in erythrocytes and the role of S-adenosylhomocysteine hydrolase A theoretical study using elementary flux modes Stefan Schuster and Dimitar Kenanov ppt
... difficult to assess in vivo, is involved in these pathways Since adenine is a substrate of ADPRT, the elevation of ATP in the absence of adenosine kinase shows that adenine must be released in the process ... Thus, there 5281 A theoretical study using elementary flux modes S Schuster and D Kenanov Table Elementary modes producing ATP from adenine Elementary modes –ADA –AK –PNPase –ADPRT (5 PGI) (5 ALD) ... adenosine obtained in the second simulation and include methyltransferases and SAHH1 in addition Interestingly, some modes involve both SAHH1 and SAHH2 5283 A theoretical study using elementary...
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Báo cáo y học: " A comparative study of a theoretical neural net model with MEG data from epileptic patients and normal individuals" docx
... measured the MEG of epileptic patients and normal subjects in order to compare the theoretical neural net model [10-12] with real data Analyzing the MEG data by x2-fitting revealed that the MEG recordings ... E, Argyrakis P, Anninos PA: Neural nets with markers and Gauss-distributed connectivity Connect Sci 1993, 5:77-94 Fournou E, Argyrakis P, Kargas B, Anninos PA: A Gaussian approach to neural nets ... same mean value and standard deviation as the normalized MEG histogram theoretical model represents the state of epilepsy, whereas the Gauss connectivity represents normal behavior The magnetic...
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Chiral bicyclic guanidine catalyzed diels alder reactions of anthrones
... CHIRAL BICYCLIC GUANIDINE CATALYZED DIELS ALDER REACTIONS OF ANTHRONES SHEN JUAN 2008 CHIRAL BICYCLIC GUANIDINE CATALYZED DIELS ALDER REACTIONS OF ANTHRONES SHEN JUAN (BSc., ... Bicyclic Guanidines Catalyzed Reactions of Anthrones 2.1 Brønsted-Base Catalyzed Diels- Alder Reaction -42 2.2 Chiral Bicyclic Guanidine Catalyzed Diels Alder Reactions of Anthrones ... Diels- Alder Reaction (II) Chiral Bicyclic Guanidine Catalyzed Diels Alder Reactions of Anthrones Chapter 2.1 Brønsted-Base Catalyzed Diels- Alder Reaction 2.1.1 Introduction Diels Alder reaction provides...
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A study to indicate the importance of consumer based-brand equity on consumer perception of brand (a case study of fast food restaurants).pdf
... increase the competitive advantage of the fast food restaurant The basic attribute of a fast food restaurant are also important for a fast food restaurant to excel because the strength of a brand ... qualities, brand loyalty, brand awareness, brand association and other propriety assets According to him, Brand loyalty has to with the level of devotion a consumer has to a brand Brand awareness ... awareness, brand loyalty, perceived quality and brand association Brand association here is referred to as brand image i.e the set of associations that are connected to the brand which are easily...
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Báo cáo y học: "Electronic patient record use during ward rounds: a qualitative study of interaction between medical staff"
... – particularly the consultant videoed (author AV) Data analysis methodology Our analysis aims to answer the following question: How does interaction during clinical ward rounds vary when an EPR ... is used in place of a paper record? Given the complex nature of interaction of multidisciplinary communication in an ICU, we have chosen to triangulate three types of qualitative data: video-based ... primary screen used during the ward round All other screens – that is, those giving detailed data on particular aspects of a patient' s condition and treatment – are accessible via tabs displayed...
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Báo cáo y học: "Surgical and medical emergencies on board European aircraft: a retrospective study of 10189 cases"
... medications and equipment on board In Germany, the regulations of the National Federal Aviation Agency (Luftfahrt-Bundesamt, Braunschweig, Germany) and the European Joint Aviation Authorities (JAA; ... Germany) regulate aviation on the national and continental level They regulate by law the contents of an on- board dispensary and the MFK However, in Europe, the regulations regarding equipment and ... 2007 on board European aircraft Materials and methods This study originates from the surgical department of an academic teaching hospital (Department of General and Visceral Surgery, Augusta Krankenanstalt,...
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Báo cáo y học: "A pilot study of rizatriptan and visually-induced motion sickness in migraineu"
... comparable study of visually-induced motion sickness We were especially interested in replicating and extending research by Drummond and Granston that showed that visually-induced motion sickness in ... herein extends this line of research by combining a visual motion sickness- inducing stimulus with pain and pre-treatment with rizatriptan In this study, rizatriptan does not appear to reduce visually-induced ... groups Motion sickness was not different between those subjects with a history of visually-induced motion sickness vs those subjects without a history of visually-induced motion sickness using the...
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Báo cáo y học: "A Randomized Study of Epithelial Ovarian Cancer: Is Chemotherapy Useful after Complete Remission"
... prospective randomized comparison of and 12 cycles of Cyclophosphamide, Adriamycin and Cisplatin in advanced epithelial ovarian cancer: a Danish ovarian study Group Trial (DACOVA) Gynecol Oncol ... arm completed cycles of first-line chemotherapy only, while an additional cycles of polychemotherapy with FU followed by Cisplatin were proposed for the 61 patients in the Cisplatin arm Of the ... having completed his B.A in Biochemistry at New York University, is presently in his final year of medical studies at the University of Padua and will pursue resident training in Oncology His current...
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A comparative study of discourse structures and some major linguistic features of international declarations and international conventions on human rights part 2
... LINGUISTIC FEATURES OF THE INTERNATIONAL CONVENTION ON HUMAN RIGHTS IN COMPARISON WITH THOSE OF THE INTERNATIONAL DECLARATION 4.1 Definition of an International Convention 4 .2 20 Purposes and typical ... Preamble of the Convention and their realization 4.3.1 21 23 The Body 23 4.3 .2. 1 The Body of the Convention and its realization 23 4.3 .2. 2 Remarks 26 a, Use of Grammar 26 a1 Modality 26 a2 Use of Active/ ... legal characteristics of the International Convention on Human Rights 20 4 .2. 1 Purposes 20 4 .2. 2 Typical legal characteristics 20 4.3 A study of discourse structure and some major linguistic features...
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A comparative study of discourse structures and some major linguistic features of international declarations and international conventions on human rights part 3
... differences between international Declarations and Conventions 32 in terms of discourse structures and major linguistic features International Declarations and International Conventions are legal documents, ... Convention 4 .3 A STUDY OF THE DISCOURSE STRUCTURE AND MAJOR LINGUISTIC FEATURES OF INTERNATIONAL CONVENTIONS ON HUMAN RIGHTS IN COMPARISON WITH THOSE OF INTERNATIONAL DECLARATIONS ON HUMAN RIGHTS ... THE INTERNATIONAL DECLARATION ON HUMAN RIGHTS 10 3. 1 DEFINITION OF AN INTERNATIONAL DECLARATION 'International Declaration' generally is defined as "a formal statement agreed on or used by all...
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A comparative study of discourse structures and some major linguistic features of international declarations and international conventions on human rights part 4
... spirit of article 29; (b) Encourage international co-operation in the production, exchange and dissemination of such information and material from a diversity of cultural, national and international ... education accessible to all on the basis of capacity by every appropriate means; (d) Make educational and vocational information and guidance available and accessible to all children; (e) Take ... Civil and Political Rights (in particular in articles 23 and 24) , in the International Covenant on Economic, Social and Cultural Rights (in particular in article 10) and in the statutes and relevant...
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Từ khóa: a comparative study of parameter estimation methodsa case study of wambayaa comparative study of parameter estimation methods for statistical natural language processingwhat is ethics as a philosophical study of moralitychapter 3 a theoretical framework of international migrationa comparative study of british and vietnamese funeral ritualsa dyadic study of interpersonal information searcha diary study of mobile information needsa case study of management information systema case study of information technologya formal study of information retrieval heuristicsa dyadic study of interpersonal information search pdfa comparative study of social network modelsa contrastive study of english and vietnamese proverbs referring to money sự phân tích đối chiếu giữa tục ngữ tiếng anh và tục ngữ tiếng việt đề cập đến tiềna contrastive study of grammatical and semantic features of words and idiom denoting unhappiness in english and vietnamesechuyên đề điện xoay chiều theo dạngNghiên cứu sự hình thành lớp bảo vệ và khả năng chống ăn mòn của thép bền thời tiết trong điều kiện khí hậu nhiệt đới việt namNghiên cứu tổ hợp chất chỉ điểm sinh học vWF, VCAM 1, MCP 1, d dimer trong chẩn đoán và tiên lượng nhồi máu não cấpMột số giải pháp nâng cao chất lượng streaming thích ứng video trên nền giao thức HTTPGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitNGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN SLIDEPhát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ longTìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tinChuong 2 nhận dạng rui roTổ chức và hoạt động của Phòng Tư pháp từ thực tiễn tỉnh Phú Thọ (Luận văn thạc sĩ)Kiểm sát việc giải quyết tố giác, tin báo về tội phạm và kiến nghị khởi tố theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn tỉnh Bình Định (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtchuong 1 tong quan quan tri rui roGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtTrách nhiệm của người sử dụng lao động đối với lao động nữ theo pháp luật lao động Việt Nam từ thực tiễn các khu công nghiệp tại thành phố Hồ Chí Minh (Luận văn thạc sĩ)Chiến lược marketing tại ngân hàng Agribank chi nhánh Sài Gòn từ 2013-2015Đổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt nam