i homogeneous reactions in ideal reactors

Part i organic reactions in non conventional solvents part II new approach to the formation of bishomoallylic alcohols synthesis of (r) sulcatol

Ngày tải lên : 16/09/2015, 15:54

... Asymmetric Mannich-Type Reaction 2.3.2 Asymmetric Mannich-Type Reactions Catalyzed by Indium(III) Complexes in Ionic Liquids We next investigated the asymmetric Mannich-type reaction in ionic liquids ... asymmetric Mannich-type reaction in ionic liquids Firstly, we investigated the effect of different ionic liquids on the asymmetric Mannich-type reaction using InCl3 Four different ionic liquids were ... Application of Mannich bases and their derivatives in medicine Hence, the versatility of the Mannich reaction, along with the remarkable possibilities of exploiting the reactivity of Mannich bases in...

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Surface effects on homogeneous organic reactions in microreactors

Ngày tải lên : 16/10/2015, 11:59

... Organic Reactions Organic reactions are chemical reactions involving (or producing) organic compounds Reactions such as addition reactions, elimination reactions, substitution reactions, pericyclic ... Thus, micro-machining of silicon utilizes immense technical know-how acquired by semiconductor industry 3.1.1 Silicon Microreactors and Chemical Engineering Silicon has a high melting point of ... 1.3.5 Homogeneous reaction in microreactors Homogeneous reactions are the organic reactions in which all the reacting species are present in a single fluidic phase As the intra-phase diffusive timescale...

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GA-10CB HK I-chỉ việc in

Ngày tải lên : 26/06/2013, 01:25

... HOÁ HỌC LIÊN KẾT ION – TINH THỂ ION I – Mục tiêu học Kiến thức Học sinh biết: - Ion gì? Khi nguyên tử biến thành ion? Có lọai ion? - Liên kết ion hình thành nào? Kó - Viết ion, g i tên ion đơn ... phi kim nguyên tố ; so sánh tính axit – bazơ oxit hidroxit tương ứng - Cẩn thận việc thí nghiệm v i kim lo i kiềm II Phương pháp: - H i – đáp - Trực quan sinh động:giáo viên biểu diễn thí nghiệm, ... tuần Cột Công thức oxit cao nhất, hiđroxit hoàn, nhóm tương ứng, hợp chất v i hiđro X I VIA X2O, XOH, XH II IA XO2, H2XO3, XH4 III VIIA XO3, H2XO4, H2X X2O7, HXO4, HX I II … III … Câu 2: Hãy đánh...

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A CFD analysis of transport phenomena and electrochemical reactions in a tubular-shaped PEM fuel cell

Ngày tải lên : 05/09/2013, 14:58

... determine the limiting current density This is because an increase in current density corresponds to an increase in oxygen consumption The hydrogen molar fraction distribution in the anode side is ... Computational grid The governing equations were discretized using a finite volume method and solved using a computational fluid dynamic (CFD) code The computational domains are divided into a finite number ... to cathode; and (ii) diffusion associated with water-content gradients in the membrane One of the main difficulties in managing water in a PEM fuel cell is the conflicting requirements of the...

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Đề kiểm tra +đấp án công nghệ 7 kỳ I ( Chỉ việc in )

Ngày tải lên : 31/10/2013, 09:11

... ruộng - Làm cỏ, vun s i: đảm đáp yêu cầu sinh trởng, phát triển cảu trồng - T i, tiêu nớc: để sinh trởng phát triển - Bón thúc phân: để tạo i u kiện cho trồng sinh trởng phát triển tốt Câu 2: Bảo ... lợng giảm sút chất lợng nông sản - Các i u kiện bảo quản + Đ i v i lo i cần đợc ph i xấy khô + Đ i v i rau, ph i không dập nát + Kho bảo quản ph i xây n i cao ráo, thoáng khí có hệ thống gió ... thành câu: a Công cụ thủ công, gi i b t i xốp; phẳng c nhiệt độ; hoá chất d tiến hành; kĩ thuật II, Phần tự luận: Câu 1: Các biện pháp chăm sóc trồng tác dụng biện pháp: - Tỉa, dặm cành: để đảm...

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Tài liệu Chapter 9: Miscellaneous catalytic reactions in aqueous media pdf

Ngày tải lên : 23/12/2013, 07:19

... and for mechanistic investigations in reaction kinetics During catalytic hydrogenations in homogeneous aqueous solutions or in aqueous-organic biphasic systems there is ample possibility for H/D ... this isomerization gives a mild method for removal of protecting allyl groups under exceedingly mild conditions In an interesting reaction, reshuffling of functional groups can be achieved in ... catalytically active Ru-complexes in reaction with 272 Chapter Hydration of nitriles providing carboxamides is usually carried out in strongly basic or acidic aqueous media - these reactions require rather...

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Tài liệu Báo cáo khoa học: Experimental proof for a signal peptidase I like activity in Mycoplasma pneumoniae, but absence of a gene encoding a conserved bacterial type I SPase pdf

Ngày tải lên : 19/02/2014, 18:20

... substantial sequence similarities as indicated by six distinct regions with conserved amino acids [26] For instance, LepB from Escherichia coli is 323 amino acids long and exists only as a single ... To get insight into the function of this protein complex, the subunits had to be characterized in detail The N-terminal end of P90 was determined by Edman degradation This protein begins with an ... pseudotrypsin formed from trypsin by autolysis [28] These possibilities can be excluded, when the amino terminus of the intact protein is speciﬁcally labeled before tryptic digestion Liminga and...

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Báo cáo khoa học: Evaluation of potential regulatory elements identi®ed as DNase I hypersensitive sites in the CFTR gene doc

Ngày tải lên : 08/03/2014, 10:20

... DHS in airway epithelial cells were investigated further in the airway carcinoma cell line Calu3 Of particular interest were the DHS in introns and 18, which were strongly evident in Capan1 in ... genomic fragment at 5, and 17 kb, respectively In Caco2 cells the DHS in introns 16 and 17 are of similar intensity but the DHS in intron 18 is less evident (Fig 5B) In contrast, the DHS in intron ... effect of mitomycin C on DHS 18 (3600 + kb) in Capan cells is shown in Fig 7B where ratios of genomic/DNase I Fig The DHS in intron 18 (3600 + kb) is prominent in Capan1 pancreatic adenocarcinoma...

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Chemical of alumina reactions in aqueous solution and its application in water treatment

Ngày tải lên : 15/03/2014, 23:22

... Peris assignment Tsyganenkos assignment ă Knozingers assignment Buscas assignment 3800 3775 3745 3730 3710 3690 3590 A D B E C C H-bonded I I II II III III Ib Ia IIb IIa III III H-bonded AlIV ... and importance of alumina in the natural aquatic environment and its growing application in drinking and wastewater purification, the knowledge of aluminas structure and possible interactions in ... acid solutions, they can be divided into two main fractions of HA (humic acid soluble in alkaline solutions, precipitated by acidification) and FA (fulvic acid dissolved in acidic medium) These...

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Báo cáo khoa học: Bioenergetics of the formyl-methanofuran dehydrogenase and heterodisulﬁde reductase reactions in Methanothermobacter thermautotrophicus pot

Ngày tải lên : 17/03/2014, 09:20

... presented in Fig 5C rather point to a variable, and also nonintegral, number of two to four sodium ions to be involved in the coupling Suspension incubations were performed with cells from the different ... creating a sodium motive force Experiments with everted membrane vesicle preparations of Methanosarcina mazei indicated a Na+ translocation stoichiometry of close to two [10] In the terminal ... also nonintegral numbers of sodium ions to be involved in thermodynamic coupling (Fig 5) The ﬁndings, however, not rule out that formylmethanofuran synthesis is kinetically coupled with the import...

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Báo cáo Y học: Expression and distribution of penaeidin antimicrobial peptides are regulated by haemocyte reactions in microbial challenged shrimp pptx

Ngày tải lên : 18/03/2014, 01:20

... extent in all the shrimp tissues such as haematopoietic tissue (Fig 1D), brain, subcuticular epithe- Fig Detection of penaeidin mRNA in nonstimulated shrimp tissues by in situ hybridization Labelling ... penaeidin transcription activity and their storage ability (Fig 5) Microbial stimulation induces an increase in haemocyte penaeidin-transcriptional activity at 48–72 h post-challenge To determine ... penaeidin localization at the site of injection Injection of microorganisms resulted in a dramatic decrease in numbers of both circulating and tissue in ltrating haemocytes within h of injection To study...

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Báo cáo khoa học: Making sense of G-quadruplex and i-motif functions in oncogene promoters pot

Ngày tải lên : 23/03/2014, 03:20

... 1:2:1 NHE III1 (i) S1 (iii) S1 S1 Wild-type NHE III1 S1 Negative supercoiling and G-quadruplexand i- motif-forming region Wild-type and mutant (ii) Negative supercoiling polypurine/polypyrimidine Local ... recombinant protein [34] Studies show that an R88A mutation (arginine to alanine) in the nucleotidebinding site eliminates binding of the NM23-H2 to single-stranded DNA Because NM23-H2 is a hexameric ... nucleolin in the inhibition of c-Myc gene expression is shown in Fig 5(A,D) The next logical series of experiments will examine the differential binding of Sp1, Pol II, CNBP, hnRNP K, nucleolin and...

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Báo cáo Y học: The N-terminus of m5C-DNA methyltransferase Msp I is involved in its topoisomerase activity docx

Ngày tải lên : 24/03/2014, 00:21

... lost its topoisomerase activity, indicating the role of the N-terminal portion in M.MspI To substantiate this ﬁnding, a deletion mutant of MspI with the N-terminal 34 amino acids removed (MspI del ... Equally intriguing is the fact that topoisomerase activity is associated with the methylase/endonuclease with a 5¢-CG-3¢ in the recognition sequence In the light of the similarities at the amino-acid ... adenylated intermediate essential for catalysis by the DNA ligase active site in NaeI has been replaced with a leucine (L43) at this position, whereas in M.MspI it has been replaced with a histidine...

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CHEMICAL REACTIONS IN GAS, LIQUID AND SOLID PHASES: SYNTHESIS, PROPERTIES AND APPLICATION pptx

Ngày tải lên : 28/03/2014, 10:20

... Shishkina 18 ω = W0/Wing – Wing/W0 = fk7[InH]/(Wik6)0.5 = king[InH]/(Wik6)0.5, where W0 is the oxidation rate of methyl oleate without additivies InH, Wi – the initiation rate Since Wing is determined ... PKC during inhibition of enzyme activity Figure The change of rigidity of the surface membrane lipids and inhibition of protein kinase-C activity in vitro depending on α-TP concentration (a) ... responsibility for any errors or omissions No liability is assumed for incidental or consequential damages in connection with or arising out of information contained herein This digital document is...

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catalyst design optimal distribution of catalyst in pellets, reactors, and membranes

Ngày tải lên : 01/04/2014, 10:26

... Morbidelli, Asterios Gavriilidis, Arvind Varma p cm – (Cambridge series in chemical engineering) Includes bibliographical references ISBN 0-521-66059-9 Catalysts I Gavriilidis, Asterios, 1965– II Varma, ... practicing engineers and chemists Massimo Morbidelli is Professor of Chemical Reaction Engineering in the Laboratorium fur Technische Chemie at ETH, Zurich ¨ ¨ Asterios Gavriilidis is Senior Lecturer ... attention is given to applications involving reactions of industrial importance 1.3 Overview of Book Contents This book is organized as follows In Chapter 2, optimization of a single pellet is addressed...

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kinetic modeling of reactions in foods

Ngày tải lên : 02/04/2014, 15:04

... speciﬁc problems arising in the food matrix when dealing with kinetics This concerns discussions as to why kinetics in foods can be quite different from reactions in simple model Boekel/Kinetic ... Control Points (QACCP) In the case of a situation as in Chain element Quality attribute in Chain element Chain element Processes affecting quality indicators comprising the quality attribute Chain element ... Regulations Availability Brand name Extrinsic quality Qext FIGURE 1.3 Schematic depiction of extrinsic quality attributes Ei (1:3) Price After sales service Boekel/Kinetic Modeling of Reactions in...

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What I look for in myself doc

Ngày tải lên : 02/04/2014, 15:20

... nghĩ t i nào? Không thử t i, bạn biết t i được? Vạn kh i đầu nan, đừng ng i ngùng bạn làm sai nhé! Nhờ mà giáo viên, bạn bè nhận kĩ mà bạn thiếu dẫn nhiệt tình Các phương pháp học đúc kết từ kinh ... Nhưng i u quan trọng bạn cần xác định mục tiêu cho tất hoạt động gi i trí vừa học, vừa ch i Xác định cho mục tiêu Mục tiêu động lực cho tất việc Bạn muốn i u học tiếng Anh? T i bạn l i muốn ... v i ngư i khác hiệu quả, v i bạn k, chẳng nhẽ l i làm thử phương pháp hay sao? i u không thể! Trước tiên bạn ph i xem l i thân mình, bạn mong muốn học tiếng Anh tốt để làm gì, muốn giao tiếp...

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kobayashi - cycloaddition reactions in organic synthesis (wiley, 2001)

Ngày tải lên : 03/04/2014, 12:15

... Mg(II), Cu(II), Fe(III), Ni(II), Ti(IV), Zr(IV), and Yb(III) with chiral ligands have been devised In this section the catalysts are classified according to their central metal Fig 1.5 Coordination ... Lewis acids having two-point binding ability, because the cycloadducts obtained are synthetically useful chiral building blocks Complexes derived from many kinds of metal, including Al(III), ... 3-alkenoyl-1,3-oxazolidin-2-one binds with the chiral Lewis acid at a single point, though the dienophile is thought to be a good two-point binding ligand [29] The dienophile is, moreover, thought...

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kurti - strategic applications of named reactions in organic synthesis (elsevier, 2005)

Ngày tải lên : 03/04/2014, 12:15

... o-iodoxybenzoic acid O I HO IDCP bis(2,4,6-collidine)iodonium perchlorate N O I+ N ClO4- HN Imid (Im) imidazole INOC intramolecular nitrile oxide cycloaddition IPA isopropyl alcohol Ipc isopinocamphenyl IR ... (DHQ)2PHAL H bis(dihydroquinino)phthalazine H N N N O O H H MeO OMe N N OMe DHQD dihydroquinidine H N OH H N Et Et N H (DHQD)2PHAL bis(dihydroquinidino)phthalazine H N N N O O H OMe N N O DIAD diisopropyl ... Permissions.” Library of Congress Cataloging -in- Publication Data Application Submitted British Library Cataloguing in Publication Data A catalogue record for this book is available from the British Library...

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lindell i. differential forms in electromagnetics (wiley,2004)

Ngày tải lên : 24/04/2014, 16:51

... printer Enslin in Berlin in 1862 [29] In its preface he complained the poor reception of the rst version and promised to give his arguments in Euclidean rigor in the present version.2 Indeed, instead ... duality product 2.2 Dyadic identities 2.2.1 Gibbs identity in three dimensions 2.2.2 Gibbs identity in n dimensions 2.2.3 Constructing identities 2.3 Eigenproblems 2.3.1 Left and right eigenvectors ... four-dimensional Minkowskian space Mi4 can be understood as Eu3 with an added dimension corresponding to the index In this case, the ordering is usually taken cyclic in the indices 1,2,3 and the index...

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