pronunciation techniques used by teachers

... for some English teachers at English majored group at FLD, NTTC Besides, several informal interviews were carried out for the English teachers of British Studies at FLD, NTTC by the use of qualitative ... British Studies materials are subjectively selected by the teachers in charge of the subject First, at the early days, British Studies was taught by some foreign volunteers in 60 class hours during ... n-íc Anh qua c¸c bµi ®äc hiÓu" written by Nguyen Thi Minh Chau and Christ Tapher published by NXB DHQG, TP HCM in 30 class hours Recently, there are five teachers in our FLD to be in charge of...

Ngày tải lên: 28/03/2015, 09:17

... Algebraic Equations a Solution by Cramer's Rule b Solution by Gaussian Elimination c Solution by Gauss Jordan Elimination d Solution by Matrix Factorization: The Crout ... expansion by minors of the modified matrix represent by the elements a'ij is simply accomplished by multiplying the diagonal elements aii together A final step of dividing each row by a’ii will ... could be offered only by large institutions a decade ago now sit on the desks of individuals Methods of analysis that were only dreamed of three decades ago are now used by students to homework...

Ngày tải lên: 20/12/2013, 19:15

... negative for HIV antibodies We denote the first set by + and the second set by − Together, the partitions induced by the true disease state and by the observed test outcome partition the population ... not affected by the occurrence of B This can be expressed by writing P (A|B) = P (A) (2.7) Similarly, the occurrence of B is not affected by the occurrence of A This can be expressed by writing ... language To describe what we mean by a set, we suppose the existence of a designated universe of possible objects In this book, we will often denote the universe by S By a set, we mean a collection...

Ngày tải lên: 16/01/2014, 16:33

... Microsoft Excel by Mehan and Warner (2000) This easy to use workbook introduces students to Microsoft Excel speadsheets as a tool to be used in introductory statistics courses By utilizing a familiar ... sophistication, as any statistical procedure is presented conceptually first, followed by calculations demonstrated in a stepby-step manner Indeed, it is important for both students and instructors to remember ... THE BEHAVIORAL SCIENCES Published by McGraw-Hill, an imprint of The McGraw-Hill Companies, Inc_, 1221 Avenue of the Americas, New York, NY 10020 Copyright © 2001 by The McGraw-Hill Companies, Inc...

Ngày tải lên: 29/03/2014, 04:21

... baseline Tools used: Project Charter, Critical To Tree, SIPOC Statistical Tools used: SPC, Process Capability, MSA Tools used: Project Charter, Critical To Tree, SIPOC Analyse Improve Control Used to ... available in electronic books Designations used by companies to distinguish their products are often claimed as trademarks All brand names and product names used in this book are trade names, service ... Tools used: Process Mapping, Brainstorming, Fishbone Diagram, Cause and Effect Matrix, FMEA Statistical Tools used: MSA, SPC, Hypothesis Testing, ANOVA, Correlation and Regression, DOE Tools used: ...

Ngày tải lên: 05/05/2014, 16:46

... transform, has been used by Ballester (1994) for automated arc line identification, by Llebaria (1999) for analyzing the temporal evolution of radial structures on the solar corona, and by Ragazzoni ... classification is used because the different regions are considered to be populated by pixels of different classes Boundary-based methods detect boundaries of regions; subsequently pixels enclosed by a boundary ... needed, to bypass instrumental measurement artifacts, and even the inherent complexity of the data Image and signal filtering will be presented in Chapter – Deconvolution: Signal “deblurring” is used...

Ngày tải lên: 05/06/2014, 11:59

... SUN were used in working the examples in the text and are used by my students on most problems involving real data My students and I have used both S and Minitab; other packages could be used as ... trademark ITP is used under license ©1995 by Wadsworth, Inc All rights reserved No part of this book may be reproduced, stored in a retrieval system, or transcribed, in any form or by any means, ... modeled as random • Actuarial science, which is used by insurance companies, relies heavily on the tools of probability theory • Probability theory is used to study complex systems and improve their...

Ngày tải lên: 12/06/2014, 16:26

... identified by HELP-tagging Examples of HpaII sites (a) annotated in the reference genome sequence but not represented by MspI reads or (b) not annotated in the reference human genome and represented by ... Facility Three lanes were used for technical replicates of MspI, for the methylation-insensitive reference dataset Images generated by the Illumina sequencer were analyzed by Illumina pipeline software ... observed [10]) accounts for the 20% of HpaII sites that were not represented by any reads Normalization of HpaII by MspI counts and data transformation When we plot the MspI count on the x-axis...

Ngày tải lên: 09/08/2014, 20:21

... two proteins is facilitated by forming a large number of salt bridges at this interface This suggestion is supported by the ability of the complex to be dissociated by adding high concentrations ... chromophoric by- product The formation of the by- product is stoichiometric with reactive cysteines Thus, one can quantify the number of cysteines that reacted from the absorbance of the by- product ... vibrational frequency is given by: : k T h (2.5) where is the vibrational frequency, k is the Boltzmann constant, and h is Planck’s constant The rate of loss of [A] is thus given by: k T E 9d[A] : [A‡]...

Ngày tải lên: 13/08/2014, 07:20

... defined by these reactive groups, and by the overall topology of the binding pocket We have seen that the chemically reactive groups used to convert substrate to product molecules are recruited by ... nonlinear effects in the texts by Klotz (1997) and Hulme (1992) The third transformation that is commonly used is obtained by multiplying both sides of Equation 4.30 by [L] to obtain: [L] K : [L] ... n are determined by nonlinear least-squares curve fitting of either form of direct plot (linear or semilog), not by visual inspection Nevertheless, the visual clarity afforded by the semilog plots...

Ngày tải lên: 13/08/2014, 07:20

... studied by spectroscopic means Many enzymes have been crystallized and their structures determined by x-ray diffraction methods More recently, enzyme structures have been determined by multidimensional ... reactions, to be fully utilized by experimental scientists, it needed to be put into a rigorous mathematical framework This was accomplished first by Henri (1903) and subsequently by Michaelis and Menten ... ES complex, followed by chemical transformation steps to produce and release product 5.4 THE STEADY STATE MODEL OF ENZYME KINETICS The original derivations by Henri and by Michaelis and Menten...

Ngày tải lên: 13/08/2014, 07:20

... reaction is determined by the rate of encounters between the two substrates The rate of collisional encounters can be marginally increased in solution by elevating the temperature, or by increasing the ... intermolecular reactions (see Kirby, 1980, for a comprehensive review of this subject) For example, Fersht and Kirby (1967) compared the reaction rate of aspirin hydrolysis catalyzed by the intramolecular ... followed by a much slower steady state rate of catalysis Covalent catalysis in enzymes is facilitated mainly by nucleophilic and electrophilic catalysis, and in more specialized cases by redox...

Ngày tải lên: 13/08/2014, 07:20

... of E Hence   the rate of B formation is given by: d[B] V [B]  :v 9v :v    K ; [B] dt (7.2) Equation 7.2 was evaluated by integration by Storer and Cornish-Bowden (1974), who showed that ... reaction conditions The maximal velocity V ,  however, can be controlled by the researcher by adjusting the concentration [E ] Thus by varying [E ] one can adjust V , hence the ratio v /V , hence the ... concentration by a relationship similar to Beer’s law, where the extinction coefficient is replaced by the molar quantum yield ( ) In practice, however, it is difficult to calculate sample concentrations by...

Ngày tải lên: 13/08/2014, 07:20

... New York Duggleby, R G (1985) Biochem J 228, 55 Duggleby, R G (1994) Biochim Biophys Acta, 1205, 268 Duggleby, R G., and Morrison, J F (1977) Biochim Biophys Acta, 481, 297 Easterby, J S (1973) ... found in the reviews by Cleland and coworkers (Cleland et al., 1977) and by Northrop (1975), and in the recent compilation of selected articles from Methods in Enzymology edited by Purich (1996) ... one-proton reaction fit by a linear function; data for the two-proton reaction fit by a quadratic function Reactions involving three-proton transfers in the rate-limiting step would be fit by a cubic function...

Ngày tải lên: 13/08/2014, 07:20

... extensively used to control parasites and other pest organisms by selectively inhibiting an enzyme of the pest, while sparing the enzymes of the host organism Many of the drugs that are prescribed by ... the inhibitor The factor reflects the modification of the rate of product formation by the enzyme that is caused by the inhibitor An inhibitor that Figure 8.1 Equilibrium scheme for enzyme turnover ... Chapter 5, is defined by the y  intercept in a double-reciprocal plot The slopes of the lines, which are given by K /V  , vary among the lines because of the effect imposed on K by the  inhibitor...

Ngày tải lên: 13/08/2014, 07:20

... active site in a reversible manner (represented by K  ) before the slower inactivation event (represented by k ) proceeds Thus, as illustrated by Scheme D in Figure 10.1, the  330 TIME-DEPENDENT ... sulfoxide or acetonitrile The amount of DuP697 released from the enzyme by this treatment was then determined by reversed phase HPLC and by measuring the ability of the redissolved filtrate to effect inhibition ... these mediators is rate-limited by the conversion of arachidonic acid to prostaglandin GH by the enzyme prostaglandin G/H synthase  (PGHS) One of the most widely used drugs today for the treatment...

Ngày tải lên: 13/08/2014, 07:20

... the binding of AX to the free enzyme (E) is described by the dissociation constant K6, and the binding of B to E is likewise described by K Note that the binding of one substrate may very well ... described by the constant K6 Likewise, since the overall equilibrium between E · AX · B and E must be path independent, the binding of B to the preformed E · AX complex is described by K When ... given by: v: V [AX][B]  K6K ; K [AX] ; [AX][B] (11.6) If, however, the conversion of E · AX · B to E · A · BX is as rapid as the other steps in catalysis, steady state assumptions must be used...

Ngày tải lên: 13/08/2014, 07:20

... because of the great influence on teaching habit caused by Haiphong environment and the former objectives of teaching The common practice of some senior teachers is just giving the explanation of new ... their subjective needs and perception related to the learning process are recognized by teachers This is echoed by Kumaravadivelu (1991:98), who claims “ the narrower the gap between teacher intention ... style, there should be a compromise between teachers and students For teachers , they should find the suitable teaching style for the students.When teachers apply suitable teaching style, students...

Ngày tải lên: 12/04/2013, 16:19

... number by a quantity Five times the sum of a number and three = 5(x + 3) Two variables are sometimes used together A number y exceeds five times a number x by ten y = 5x + 10 Inequality signs are used ... of Measure ■ No Change Change in Time Scientific Notation 25% Scientific notation is a method used by scientists to convert very large or very small numbers to more manageable ones You will have ... a power of 10: 107 Step 3: Express the full answer in scientific notation by multiplying the reduced answer from Step by 107: 4.6 × 107 – DATA ANALYSIS, STATISTICS, AND PROBABILITY – Example An...

Ngày tải lên: 02/11/2013, 17:20