Báo cáo " Advantages and disadvantages of using computer network technology in language teaching " pptx

... 61 Advantages and disadvantages of using computer network technology in language teaching Vu Tuong Vi(*) (*) MA., Department of English-American Language and Culture, College of Foreign ... paper will investigate both advantages and disadvantages of incorporating such technology in language courses. The computer network has offered language teachers and learners a source of authentic ... investment in training. The use of the Internet in language teaching and learning requires some technological knowledge and computer skills from both teachers and learners. Insufficient computer...

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Tài liệu Báo cáo " Preparation and characteristics of LiF:Mg,Cu,Na,Si thermoluminescent material " pptx

... properties of the powder werestudied. The main dosimetric peak of LiF:Mg,Cu,Na,Si appeared in the range of 227− 247oC and the ratio of the height of the main peak to that of the other small peaks in ... temperature range of 750-850oC for interval of 10-40 minutes and thenit was quickly cooled to room temperature. Final product was pulverized, sieved to select grains havingsizes in the range of 60-150µm. ... of interest to investigate the influence of annealingatmosphere on TL glow curve of our LiF:Mg,Cu,Na,Si powder. The powders were annealed at 800oC for 15 min in air (no N2gas flowed) and in...

Báo cáo " Analysis and identification of multi-variate random pressure fields using covariance and spectral proper transformations " pdf

... Understanding and knowledge of the random pressure field and its distribution is possible to interpret mechanisms of excitations, identification and response of aerodynamic phenomena happening ... 2.1. Definition The POD is optimum approximation of random field. The main idea of the POD is to find out a set of orthogonal basic vectors which can expand a multi-variate random process into ... J. of Wind Eng. Ind. Aerodyn 92 (2004) 1281. VNU Journal of Science, Mathematics - Physics 24 (2008) 209-222 209 Analysis and identification of multi-variate random pressure fields using...

Báo cáo " Calibration and verification of a hydrological model using event data " ppt

... Runoff volume reduced Umax Increase Peak runoff decreased Runoff volume reduced CQOF Increase Peak runoff decreased Runoff volume increased TOF Increase Peak runoff decreased Runoff ... variation in the rainfall and flow of the rivers in Quang Tri has is relatively huge. The wet season makes up around 70% of annual rainfall, causing the severe flooding every year. In the province, ... The topic of calibration and verification of rainfall-runoff model has been subject of many researches. However, most of the researches using the continuous data for this task, while in the conditions...

Báo cáo y học: "Characterization of erythrovirus B19 genomes isolated in liver tissues from patients with fulminant hepatitis and biliary atresia who underwent liver transplantation"

... but only 1 of 7 (14.3%) cases in biliary atresia tested. Amplification of B19 DNA did not take place in the absence of reverse transcriptase, indicat-ing minimal DNA contamination. In addition ... for B19-AN85 and AB126271 for B19-AN87. 4. Discussion The etiology of hepatitis remains obscure in 3-10% of cases in Europe [5] and the United States [6] and up to 30% of cases in Asia [7, ... were identified in the NS1 gene (Fig. 2). In 7 isolates belonging to group 2, the amino acid at position 181 and 201 showed methionine and aspartic acid, respectively. Interestingly, aspartic...

Báo cáo y học: "Association of the T+294C polymorphism in PPAR δ with low HDL cholesterol and coronary heart disease risk in women"

... improvement of metabolic traits characterized by a rise of HDL and lowering of LDL, triglycerides, and insulin [5]. In addition, transgenic expression of an activated PPARδ in mice conferred ... were: 96°C for an initial 5 minutes (min.) followed by 96°C 1 min., 65°C 1 min., 72°C 1 min. for 43 cycles and final extension at 72° for 10 min. MS-PCR created two fragment of divergent length ... silver staining on polyacrylamid gel. Statistical Analysis Allele frequencies were determined by gene counting and compared using the א² test. The data was analysed using SPSS 12.0 software....

What are the advantages and disadvantages of supermarkets

... many advantages and disadvantages of the supermarket and the corner shop. I do not have my favourite kind of shop. Sometimes I go to the supermarket or the cornershop. It depends on the kind of ... buy. Advantages & Disadvantages in big supermarketsThe worlds first famous supermarket was opened in the USA in 1912 and the idea soon spread to Europe and other countries. The shopping ... shopping scene in Poland has also changed over the past ten years. Empty shelves and long lines are things of the past. Today trade is alive and very busy.Shopping has become a part of our everyday...

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the advantages and disadvantages of globalization

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Tài liệu The Advantages and disadvantages of things docx

... it: Be careful not to overindulge ourselves in it and use it in a discerning manner.2 Advantages and disadvantages 4. Advantages And Disadvantages Of Community Colleges And UniversitiesA degree ... perhaps the most outstanding innovation in the field of communication in the history of mankind. As with every single innovation, internet has its own advantages and disadvantages. But usually, ... movie-everything is at your finger tips. Internet has great potential and lot to offer… however, like every single innovation in science and technology, internet has its own advantages and disadvantages. ...

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Tài liệu Báo cáo " Study on reuse of heavy metal rich sludge in ceramic pigment and construction material production " docx

... products meeting with standard of brick brands commonly used in construction. Environmental safety testing based on heavy metals concentration in rain water soaking tested products (pH value of 5.6-5.9) ... days of soaking in rain water. The experiments were carried out in the laboratory of Environmental analysis, faculty of Environmental Sciences and department of Environmental analysis, Institute ... Institute of Environmental Technology. Heavy metal rich sludge Dehydration (dry at room temperature and at 1050C-1100C) Fine screening (d ≤ 0,05 mm) Reuse Cooling Treating and Grinding...

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