techniques of teaching pronunciation

... ………………………………… XVIII iv list of abbreviations ACTFL American Council on the Teaching of Foreign Languages TESOL Teachers of English to Speakers of Other Languages MOET Ministry of Education and Training ... are five teachers in our FLD to be in charge of teaching the subject British Studies although FLD has a staff of 37 teachers of English The process of teaching and learning British Studies has encountered ... Colleges of Foreign Languages, Vietnam National University, Hanoi as part of their fulfillment of the Bachelor of Art in TESOL The course aims at providing the students with general knowledge of the...

Ngày tải lên: 28/03/2015, 09:17

... "rule of thumb" for detecting the presence of round off error is the appearance of a large number of zeros at the righthand side of the answers Should the number of zeros depend on parameters of ... column is added to another The determinant of the product of two matrices is the product of the determinants of the two matrices One of the important aspects of the determinant is that it is a single ... measures the degree of rotation (see Figure 1.4) Finally, the gradient of a scalar field is simply a measure of the direction and magnitude of the maximum rate of change of that scalar field...

Ngày tải lên: 20/12/2013, 19:15

... Median of a Population 5.2.2 The Interquartile Range of a Population 5.3 The Method of Least Squares 5.3.1 The Mean of a Population 5.3.2 The Standard Deviation of a Population ... set of integers, Z = { , −3, −2, −1, 0, 1, 2, 3, } • The set of real numbers, = (−∞, ∞) If A and B are sets and each element of A is also an element of B, then we say that A is a subset of ... Quite often, a set A is defined to be those elements of another set B that satisfy a specified mathematical property In such cases, we often specify A by writing a generic element of B to the left of...

Ngày tải lên: 16/01/2014, 16:33

... 0.5 of a second) • The nearest 1/10th of a second: 2.36 seconds with true limits of 2.41 and 2.31 seconds (i.e., ± 0.05 of a second) • The nearest 1/100th of a second: 2.364 with true limits of ... 40 PROCESS OF RESEARCH IN PSYCHOLOGY AND RELATED FIELDS 45 The Research Loop of Experimentation: An Overview of the Research Process 45 Populations and Samples Revisited: The Role of Randomness ... Categorical Data 528 Statistical Assumptions of the Chi-Square 529 The Chi-Square Test for One-Variable: Goodness -of- Fit 529 The Chi-Square Test of Independence of Categorical Variables 534 DATA BOX...

Ngày tải lên: 29/03/2014, 04:21

... engaged in rendering professional services If professional advice or other expert assistance is required, the services of a competent professional should be sought Portions of information contained ... all of my spare time outside of work on this project Mahwish and Humzah (12 years old at that time) also helped me with the proof-reading and transferring the script from Power Points to Microsoft ... a copy of Minitab when going through the book and it would be advantageous to have a copy of Microsoft Excel as well Minitab has developed considerably between versions 15 and 16 One of the main...

Ngày tải lên: 05/05/2014, 16:46

... effects of atmospheric blurring, or quality of seeing, certainly is of importance There will be a wide-ranging 1.2 Transformation and Data Representation – – – – – – discussion of the state of the ... Detection of alignments and curves is necessary for many classes of segmentation and feature analysis, and for the building of 3D representations of data Gravitational lensing presents one area of potential ... Bijaoui, 1991) The skeleton of an object in an image is a set of lines that reflect the shape of the object The set of skeletal pixels can be considered to be the medial axis of the object More details...

Ngày tải lên: 05/06/2014, 11:59

... the number of subsets of a set of n objects We just add the number of subsets of size (with the usual convention that 0! = 1) and the number of subsets of size and the number of subsets of size ... recently Many of the ideas of probability theory originated in the study of games of chance In this century, the mathematical theory of probability has been applied to a wide variety of phenomena; ... -of variance and nonparametric techniques The problem of multiple comparisons, first introduced at the end of Chapter 11, is discussed Chapter 13 is a rather brief treatment of the analysis of...

Ngày tải lên: 12/06/2014, 16:26

... [10] assays, not only by means of technical modifications such as the use of EcoP15I but also because of the concurrent use of MspI for normalization The effect of these modifications was not ... suspended in 10 ml of a solution of 10 mM Tris-HCl (pH 8.0), 0.1 M EDTA and ml of 10% SDS to which 10 μl of RNase A (20 mg/ml) was added After incubation for hour at 37°C, 50 μl of proteinase K ... reproducibility of this assay was excellent (Table S2 in Additional file 1) Distribution of MspI/HpaII sequence tags We merged three lanes of MspI data and observed that approximately 80% of the 2,292,198...

Ngày tải lên: 09/08/2014, 20:21

... phase of the reaction one can define the velocity, d[P]/dt : 9d[S]/dt, as the slope of a linear fit of [P] or [S] as a function of time As a rule of thumb, this initial quasi-linear phase of the ... position of the potential minimum of each state Each of these states is more correctly THERMODYNAMICS OF CHEMICAL REACTIONS 27 Figure 2.10 Free energy diagram for the reaction profile of a typical ... is some rate of the forward reaction of S going to P, defined by rate constant k , D and also some rate of the reverse reaction of P going to S defined by the rate constant k Because of the reverse...

Ngày tải lên: 13/08/2014, 07:20

... mechanistic studies of the enzyme 70 STRUCTURAL COMPONENTS OF ENZYMES Figure 3.19 Examples of some common cofactors found in enzymes Cofactors fulfill a broad range of reactions in enzymes One of the more ... unit of hemoglobin is a heterotetramer, composed of two subunits and two subunits Each of these four subunits contains a heme cofactor (see Section 3.7) that is capable of binding a molecule of ... Reoxidation of reduced flavin by molecular oxygen, with formation of a C4a—peroxide intermediate SUMMARY 73 74 STRUCTURAL COMPONENTS OF ENZYMES Table 3.4 Some examples of cofactors found in enzymes Cofactor...

Ngày tải lên: 13/08/2014, 07:20

... initiation of the reaction there will be a rapid burst of formation of the ES complex followed by a kinetic phase in which the rate of formation of new ES complex is balanced by the rate of its decomposition ... x) of the linear plot of [S] or [P] as a function of time: v :9  [S] [P] : t t (5.3) EFFECTS OF SUBSTRATE CONCENTRATION ON VELOCITY 111 Figure 5.2 Reaction progress curve for the production of ... velocities of 20—80% of V ; this corresponds to [S] of 0.25—5.0K  EXPERIMENTAL MEASUREMENT OF kcat AND Km 127 Figure 5.6 Michaelis—Menten plots for restricted data from Table 5.1 (A) The range of...

Ngày tải lên: 13/08/2014, 07:20

... of the power of these methods for determining individual rate constants and of the value of such information for the development of detailed mechanistic models of catalytic turnover Because of ... nucleophilicity, of a group is determined by a number of factors; one of the most important of these factors is the basicity of the group Basicity is a measure of the tendency of a species to ... the pK of the nucleophile A plot of the ? logarithm of the second-order rate constant (k ) of nucleophilic reaction as a  function of nucleophile pK yields a straight line within a family of structurally...

Ngày tải lên: 13/08/2014, 07:20

... solution of ferrous cytochrome c as a function of time after addition of cytochrome c oxidase; the diminution of absorption at 550 nm that is observed is a direct measure of the loss of substrate ... ACTIVITY Figure 7.9 Example of the use of difference spectroscopy (A) Absorption spectra of the substrate and product of some enzymatic reaction Because of the high degree of spectral overlap between ... (DHODase) provides an example of the use of an indirect assays This enzyme catalyzes the conversion of dihydroorotate to orotic acid in the presence of the exogenous cofactor ubiquinone During enzyme...

Ngày tải lên: 13/08/2014, 07:20

... MEASURES OF ENZYME ACTIVITY Figure 7.26 Arrhenius plot of log(Vmax ) of an enzymatic reaction as a function of 1/(2.3RT) The slope of the line in such a plot gives an estimate of the negative value of ... as a result of any intrinsic property of our enzyme system, but rather because of a failure to measure the true initial velocity of the reaction under conditions of high [E] Plots of velocity ... elution of a molecule will produce on the strip chart a Gaussian— Lorentzian band of signal as a function of time The length of time between application of the sample to the column and appearance of...

Ngày tải lên: 13/08/2014, 07:20

... function of [I], and the value of K is determined from  the x intercept of the line (B) The value of 9K is determined from the x intercept of a plot of the slope of the lines from the double-reciprocal ... of the substrate (dihydrofolate) and two types of inhibitor of the enzyme dihydrofolate reductase (DHFR) to be important factors, and chemists have therefore developed quantitative measures of ... function of substrate concentration at several fixed concentrations of the inhibitor of interest To select fixed inhibitor concentrations for this type of experiment, first measure the effect of a broad...

Ngày tải lên: 13/08/2014, 07:20

... inhibitors of PGHS The cartoon of the binding of flurbiprofen to the active site of PGHS through salt bridge formation with Arg 120 (bottom) is based on the crystal structure of the PGHS1— flurbiprofen ... solution upon denaturation of the enzyme An illustration of this type of experiment comes from work performed in our laboratory on an inhibitor of the inducible isoform of the enzyme prostaglandin ... enzymatic activity in the presence of the inhibitor (i.e., in terms of the fraction DETERMINING Ki FOR TIGHT BINDING INHIBITORS 311 of free enzyme instead of the fraction of inhibitor-bound enzyme) (...

Ngày tải lên: 13/08/2014, 07:20

... slopes of the lines as a function of 1/[B], and the y intercepts (i.e., 1/V  ) as a function of 1/[B] (Figure 11.2)  The y intercept of the plot of slope versus 1/[B] yields an estimate of K6/V ... estimate of K6/V , and the x intercept of this plot yields an estimate of 91/K The  y and x intercepts of the plot of 1/V  versus 1/[B] yield estimates of 1/V   and 91/ K , respectively Thus ... varying concentrations of AX at several fixed concentrations of B will yield a nest of parallel lines, as seen in Figure 11.3 For each concentration of substrate B, the values of 1/V  and 91/K6...

Ngày tải lên: 13/08/2014, 07:20

... their opinions of English grammar teaching at school, 70% of the students disagree that the teaching English grammar at school is suitable, only 30% of them agree with that idea 72.5% of them don’t ... practice creating teaching techniques 2.3.2 Narrowing the gap between teaching style and learning style 2.4 Grammar teaching from a CLT perspective 10 2.5 The role of oral grammar ... is of constant concern of high school teachers So far, a great number of studies have been conducted to assist teachers and students in teaching and acquiring English grammar Research and teaching...

Ngày tải lên: 12/04/2013, 16:19

... average or mean of a set of numbers, add all of the numbers together and divide by the quantity of numbers in the set Average = Lisa made twice as many cookies as Rebecca Unknown = number of cookies ... or pie charts This type of graph is representative of a whole and is usually divided into percentages Each section of the chart represents a portion of the whole, and all of these sections added ... important to read all of the information presented, paying special attention to headings and units of measure Here is an overview of the types of graphs you will encounter: Unit of Measure ■ No Change...

Ngày tải lên: 02/11/2013, 17:20