... count (*) FROM sinhvien Ví dụ 2: SELECT count(ngay_sinh) FROM sinhvien Một số hàm thống kê Min() Max() Sum() Ví dụ: SELECT max(ngay_sinh) FROM sinhvien SELECT min(ngay_sinh) FROM sinhvien SELECT ... lăng đỏ',15,2,'tím') Trích chuỗi Left (string, length) Right(string,length) Mid(string, start_position,length) Substring(string,position) Các tham số string: chuỗi ban đầu length: chiều dài chuỗi ... Chèn chuỗi Insert (string,start_position,length,newstring) Các tham số: string: Chuỗi bị chèn start_position: vị trí bắt đầu length: chiều dài bị chèn newstring: chuỗi chèn Ví dụ: select insert('hoa...
Ngày tải lên: 25/02/2014, 03:20
... “Teachers and Students’ Attitude towards Using Games in Teaching and Learning Vocabulary” is the result of my own research for the Minor Degree of Master of Arts at University of Languages and International ... towards Using Games in Teaching and Learning Vocabulary The subjects of the study are thirty twelfth-grade students and thirty English teachers from different high schools in Chi Linh District in ... methodology including the subjects of the study, data gathering instruments, procedures, findings and discussion Part THREE is the Conclusion which summarizes significant findings of the investigation,...
Ngày tải lên: 28/02/2015, 11:54
A study of using dictionaries in learning and teaching at Lam Son high school for the fifted, Thanh Hoa = Nghiên cứu việc sử dụng từ điển trong dạy và học tiếng
... training in using dictionary Need more training in using dictionary Number of Percentage students Agree 80 100% Not sure 0% Disagree 0% In response to question 8, whether they need training in using ... taught and learned at high school like listening, speaking, reading and writing, using of dictionaries play important role or not in teaching and learning foreign languages in general, and as ... dictionary in learning and teaching English 10 1.3 The using dictionaries 11 1.3.1 Using dictionaries in learning teaching method 11 1.3.2 Level of students in using dictionaries...
Ngày tải lên: 28/03/2015, 08:58
Báo cáo khoa học: "Comparative analysis of heart functions in micropigs and conventional pigs using echocardiography and radiography" docx
... aeroK ,ytisrevinU lanoitaN luoeS ,ettimmoC esU dna eraC laminA lanoitutitsnI eht fo serudecorP noitarepO dradnatS eht htiw ecnadrocca ni tuo deirrac erew stnemirepxe lamina llA slaminA sdohteM ... htiw deniatniam dna ,detalitnev yllacinahcem ,detabutni ,liatkcoc enimatelit/mapezaloz a dna ,enizalyx ,eniporta htiw detacidemerp dna thginrevo detsaf erew slamina ehT noitcnuf caidrac fo tnemssessa ... ,tar( slamina yrotarobal llams ro namuh eht ot derapmoc sA noitalitnev lacinahcem dna aisehtsena lareneg rednu erew yeht elihw sgiporcim eht no demrofrep saw yhpargoidracohcE stluseR tnacifingis...
Ngày tải lên: 07/08/2014, 20:23
Using information technology in teaching and learning reading skill of english for biology for 2nd-year students
... (EFL) teaching and learning and computers in ESP teaching and learning I.1 Theoretical backgrounds of computers and EFL teaching and learning I.1.1 Introduction This section starts with the introduction ... teaching and learning and computer uses in EFL teaching learning are investigated I.1.2 Educational Technology and EFL teaching and learning Thanks to the achievements of international science and ... computers and ESP I.2.2 Computers in academic setting Computers with Internet and word processing programmes have been used for searching, selecting and preparing materials in teaching and learning...
Ngày tải lên: 07/11/2012, 14:31
Asset Allocation in Active Portfolio Management using Treynor-Black Model and Technical Trends
... - 25 - Testing Considering the potential risks involved in using software related to financial investments, testing the functions of the software is of primary importance for any financial software ... of time, indicating a movement in a certain direction Stock prices will never move in a straight line They will always move in a series of highs and lows The number of highs and lows, individually ... Types of Moving averages also include Linear moving averages, Exponential moving averages and Weighted moving averages Moving averages help to identify trends and establish support and resistance...
Ngày tải lên: 29/04/2013, 14:07
A cross cultural study of using hedges in refusing a request in english and vietnamese
... directly or indirectly serve their farming Thus, when using simile and metaphor in idioms, they often take the familiar things which regularly exist in their daily lives and their way of thinking as ... a habit of noticing idioms in everyday situations, including reading and listening Teachers lead a discussion about figurative language including metaphors, similes, and idioms in order to show ... example above, we find that the using names of animals in English and Vietnamese idioms are very abundant This makes saying and writing more rich and excited 2.1.2 The Names of Animals in Vietnamese...
Ngày tải lên: 14/12/2013, 00:41
A study on differences of using pasive voi in english and vietnamese = nghiên cứu về sự khác nhau trong cách dùng câu bị động của tiếng anh và tiếng việt luận văn tốt nghiệp đại học
... voice in English and in Vietnamese has been chosen for investigation in this study II Aims of the Study My study aims at: Presenting, describing and analyzing the passive voice in English and in ... to the investigation in the next chapters 12 Chapter II SIMILARITIES AND DIFFERENCES OF USING PASSIVE VOICE IN ENGLISH AND VIETNAMESE 2.1 Passive voice in English and Vietnamese 2.1.1 In English ... causatives as in English From the knowledge above we have in our mind the idea that b and c in Vietnamese are totally strange to to be in English, which intrinsically has a compulsory form B and c in Vietnamese...
Ngày tải lên: 18/12/2013, 10:03
Tài liệu Báo cáo khoa học: "Portable Translator Capable of Recognizing Characters on Signboard and Menu Captured by Built-in Camera" docx
... user specifies the beginning and ending of the character string to be recognized and translated In Figure 3, circles on both ends of the string denote the user specified points All the locations ... delineated by rectangles and have x,y coordinates (as shown in Figure 2), the module considers all candidates and rates the arrangement of rectangles according to the differences in size and ... on server machines and flexibly select them task by task and low-precision OCR and language processing In future, we are going to study translation qualities, prepare error-handling mechanisms...
Ngày tải lên: 20/02/2014, 15:20
NOTES ON THE ROLE OF EDUCATION IN PRODUCTION FUNCTIONS AND GROWTH ACCOUNTING pot
... system does nothing more than select people for "ability," by putting them through finer and finer sieves, without adding anything to their innate ability in the process Again, an earnings-education-ability ... variables included in the regression: livestock inputs, machinery inputs, Land, buildings, and other current inputs All variables (except education) are averages per commercial farm in a region ... k EDUCATION IN PRODUCTION FUNCTIONS AND GROWTH ACCOUNTING • 93 left out variable A On 5, the included one Moving to time series now, and /32) not and still assuming that the underlying parameters...
Ngày tải lên: 06/03/2014, 21:20
Báo cáo khoa học: Two types of replication protein A in seed plants Characterization of their functions in vitro and in vivo ppt
... USA) and transformed into E coli for protein induction Extracts prepared from cells induced for h were shown to contain a six-histidine C-terminal-tagged OsRPA14 fusion protein The OsRPA14 protein ... soluble in the presence of m urea Soluble fractions were loaded on to columns containing 10 mL His-Bind resin (Novagen) The columns were washed with 50 mL binding buffer containing m urea and then ... CM (1998) Interaction of human rad51 recombination protein with single-stranded DNA binding protein, RPA Nucleic Acids Res 26, 5388–5393 17 Stauffer ME & Chazin WJ (2004) Physical interaction...
Ngày tải lên: 07/03/2014, 21:20
Báo cáo khoa học: Enzymes in organic media Forms, functions and applications potx
... subtilisin in the presence of 98% (w/w) of KCl was tentatively explained by either rigid salt structure protecting the enzyme in organic solvents or polar environment of salt helping in maintaining ... side chains of amino acid residues of enzymes is important in nonaqueous media as well Hence pH tuning (placing the enzyme in water at optimum pH of the enzyme, and lyophilizing) results in higher ... function and milieu In vitro combination In this alternate way of accumulating desirable changes (and features), the useful mutations identified during a generation can be recombined by ÔDNA shufflingÕ...
Ngày tải lên: 16/03/2014, 16:20
Jim ledin embedded control systems in c and c++ an introduction for software developers using MATLAB 2004
... models Using root locus design and Bode diagram design Using the pole placement design method Using the Linear Quadratic Regulator and Kalman Filter optimal design methods Implementing and testing ... floating-point and fixed-point controllers in C and C++ Adding nonlinear features such as limiters to the controller design About the Author Jim Ledin, P.E., is an electrical engineer providing ... nonlinear equations in the vicinity of an equilibrium point An equilibrium point is an operating point where the system is in a steady state and all the derivatives in the equations are zero In...
Ngày tải lên: 19/03/2014, 14:09
Reductive Cleavage of N-O Bonds in Hydroxylamines and Hydroxamic Acid Derivatives Using Samarium Diiodide pot
... containing nitrogen in an uncommon oxidation state has been examined) 7"18 Treatment of these N-O bond containing compounds with SmI2 resulted in good to excellent yields of the products in which ... hydroxylamines are shown in Table Some of the yields reported are for the acetamide or trifluoroacetamide instead of the primary amines, due to problems arising in their isolation For example, in the ... alcohol, although no amine was isolated Presumably the inability to isolate simple primary amines (benzylamine and piperonylamine) can be attributed to their high polarity and low molecular weight...
Ngày tải lên: 22/03/2014, 18:20
Báo cáo khoa học: Functions and cellular localization of cysteine desulfurase and selenocysteine lyase in Trypanosoma brucei pot
... resulted in stable integration and phleomycin-resistant transfectants were obtained by limiting dilution Induction of double-stranded RNA synthesis upon the addition of tetracycline indeed resulted in ... protein in procyclic T brucei (a) 4¢,6diamidino-2-phenylindole-staining of nuclear and kinetoplast DNA; (b) mAb mAb56 against the mitochondrial MRP1 ⁄ complex was used to visualize the single ... SCL resulted in a decrease in or disruption of the SCL and CysD activities Specific activities for the cysteine and selenocysteine substrates were measured in the noninduced and RNAi-induced knockdown...
Ngày tải lên: 22/03/2014, 21:20
Source investigation of a small event using empirical Green’s functions and simulated annealing ppt
... point in time The simulated annealing is a two-loop procedure The first loop consists of perturbing the model randomly and solving the forward problem, and the second loop involves decreasing ... a priori information or damping that we include in the source-time-function retrieval procedure In order to control and minimize these effects we propose a n inverse technique for solving the ... precise locations and well-constrained focal mechanisms We studied in detail an event that occurred in the northern part of the Gulf, and obtained interesting results relating to the rupture...
Ngày tải lên: 23/03/2014, 13:20
Báo cáo khoa học: "Verb Classification using Distributional Similarity in Syntactic and Semantic Structures" pdf
... system errors and its induced features These can be examined by applying the reverse engineering tool5 proposed in (Pighin and Moschitti, 2010; Pighin and Moschitti, 2009a; Pighin and Moschitti, ... Relational Learning In Proceedings of ICML 2003 Hal Daum´ III and Daniel Marcu 2004 Np bracketing e by maximum entropy tagging and SVM reranking In Proceedings of EMNLP’04 Dmitriy Dligach and Martha ... Loper, Szu ting Yi, and Martha Palmer 2007 Combining lexical resources: Mapping between propbank and verbnet In In Proceedings of the 7th International Workshop on Computational Linguistics Yashar...
Ngày tải lên: 23/03/2014, 14:20
Báo cáo " Computing vertical profile of temperature in Eastern Sea using cubic spline functions " doc
... assumed to be exist and unique The main difficulty in setting up the interpolation problem using spline function is to find the right boundary conditions In the interpolation problem using data from ... By comparing two methods, one uses the traditional linear interpolation and one uses cubic spline functions for interpolation, we can see an advantage of the latter: the cubic spline functions ... coefficients of the cubic spline function at the dividing point at different depth a0 (6) (7) The remaining coefficients of the system (1) are determined from the following equations: ( (8) a0k )...
Ngày tải lên: 28/03/2014, 15:20
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
... L-Homocysteine Hypoxanthine Inosine 5¢-monophosphate Inosine Potassium L-Lactate Methylated acceptor Sodium Nicotinamide adenine dinucleotide Nicotinamide adenine dinucleotide reduced Nicotinamide adenine ... them involve the modes starting from adenine obtained in the first simulation and include methyltransferase and SAHH2 in addition Some others involve the modes starting from adenosine obtained in ... 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 before being incorporated...
Ngày tải lên: 30/03/2014, 20:20