english major students opinions on the frequency and quality of some specific teaching activities
Báo cáo toán học: "On the generation and enumeration of some classes of convex polyominoes" pps
... objects of O The root of the tree is the object of O having the minimum size (possibly the empty object) The objects having the same value of the parameter p lie at the same level, and the sons of ... than the ordinate of the highest cell of the column on its left; Q2 : the ordinate of the highest cell of the rightmost column is equal to the ordinate of the highest cell of the column on its ... ϑ on the class O is a function from On to 2On+ 1 , where 2On+ 1 is the power set of On+ 1 Proposition 2.1 Let ϑ be an operator on O If ϑ satisfies the following conditions: for each O ∈ On+ 1 , there...
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A research on the advantages and disadvantages of the application of task-based approach in teaching speaking to the fisrt-year non -English major students at H
... anxiety and confidence .10 1.3.3 Learning environment and Text books 11 CHAPTER TWO: THE STUDY 12 2.1 The context of the study 12 2.1.1 English language teaching ... For the students 39 3.2.3 For the administrators 39 PART THREE: CONCLUSION 41 Conclusion 41 Limitations of the study .41 Suggestions ... List of tables viii List of figures viii PART ONE: INTRODUCTION .1 Rationale for the study Aims of the study Scope of the study...
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A research on the advantages and disadvantages of the application of task-based approach in teaching speaking to the fisrt-year non-English major students at Ha
... called English majors, one for students in other Faculties who are called non -English majors In this study, I only focus on first-year non -English majors Some years ago, the common English teaching ... of them admit that the lesson is too long and so boring that they easily get tired and stressful So they can hardly concentrate on the lesson The students often fall into the passive situation ... presented the results of the questionnaires, class observation and interviews with teachers and students of their opinion of the importance of speaking skill, their attitudes to the application of a...
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Title: A History of Art for BHistoric Doubts on the Life and Reign of King Richard the Thirdeginners and Students: Painting, Sculpture, Architecture Painting docx
... foundations compose the bulk of the book The lives and actions of our monarchs, and the great events of their reigns, seemed to the author to deserve little place in a history of England The lives of ... shall therefore attempt to give answers to the questions on which he pins the credibility due to the history of Richard The questions are these, Had not the queen-mother and the other heads of the ... 3d The murder of his brother George duke of Clarence 4th The execution of Rivers, Gray, and Vaughan 5th, The execution of Lord Hastings 6th The murder of Edward the Fifth and his brother 7th The...
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a study on the meaning and structure of an english fairy-tale a systemic functional analysis = nghiên cứu về ngữ nghĩa và cấu trúc của một câu truyện cổ tiếng anh theo quan điểm của ngữ pháp chức năng hệ thống
... to the nature of the participants, their statuses and roles: what kind of role relationships of one kind or another, both of the types of speech role that they are taking on in the dialogue and ... the context Relevant to the realization of the system of theme are two elements: Theme and Rheme The Theme serves as the departure of the message, which coincides with the initial elements of the ... them in that situation: the symbolic organization of the text, the status that it has, and its function in the context, including the channel (is it spoken or written or some combination of the...
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NON-ENGLISH MAJOR STUDENTS’ ATTITUDES TOWARDS BOTTOM-UP AND TOP-DOWN READING TASKS: A SURVEY RESEARCH AT PHUC YEN COLLEGE OF INDUSTRY (PYCI)
... 35 PART C: CONCLUSION This part presents the conclusions from the findings of the study Some implications from the findings, the limitations of the study and some suggestions for further studies ... from the name lists of the two classes to be the sample of the study At the time of the study, the participants were taking English in the second year of three-year learning at the vocational ... Post-reading The questions were designed based on the definition of attitudes by Mathewson (1994) and the characteristics of bottom-up and top28 down models The questions are like “Which of the following...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 1 pptx
... permission of the copyright owner Applications for such permission, with a statement of the purpose and extent of the reproduction, should be addressed to the Director, Information Division, Food and ... ABSTRACT The cultivation of fish and shellfish larvae under controlled hatchery conditions requires not only the development of specific culture techniques, but in most cases also the production and ... impact on the microbial populations in the associated culture medium and eventually in the fish/shrimp’s gut flora, and consequently on the health status and the digestive capability of the larva...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 2 doc
... Another disadvantage is the need to prevent contamination during the initial inoculation and early growth period Because the density of the desired phytoplankton is low and the concentration of ... the advantage of allowing control of the quality of the cultures The major difficulty in microscopic counts is reproducibility, which is a function of the sampling, diluting, and filling of the ... vary considerably according to the culture conditions For example the effect of the composition of the culture medium on the proximate composition of various species of micro-algae is demonstrated...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 3 ppt
... tract of the rotifers are killed as well The concentration of the disinfection products differs according to their toxicity and the initial condition of the rotifers Orientating concentrations ... generations of offspring before they eventually die The reproduction activity of Brachionus depends on the temperature of the environment as illustrated in Table 3.1 The life cycle of Brachionus ... not only has a regulating effect on the microflora but also increases the production rate of the rotifers For stable rotifer cultures, the microflora as well as the physiological condition of the...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 4 pptx
... North America and seemed to be unlimited However, with the expansion of aquaculture production in the 1970’s, the demand for Artemia cysts soon exceeded the offer and prices rose exponentially, ... result of long-term adaptations of the strain to the local conditions; see chapter 4.1.2.4) 4.1.2.4 Strain -specific characteristics INTRODUCTION While the nutritional value can be manipulated, other ... Inoculation experiments in natural habitats therefore require prior screening of candidate strains and of eventual local populations, as well as the study of prevailing environmental conditions Uncontrolled...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 5 docx
... start and consequent development of the population shortly after the re-establishment of favorable environmental conditions This allows effective colonization in temporal biotopes For the user of ... release over 80% of their cellular water, and upon interruption of the aeration, the now coffeebean shaped decapsulated cysts settle out After harvesting of these cysts on a mesh screen they should ... reduced by disinfection of the cysts prior to hatching incubation and/ or by the addition of a few drops of a non-toxic antifoaming agent (e.g silicone antifoam) The temperature of the seawater is...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 6 docx
... understood and may be satisfied through the consumption of seawater, the main concern regarding the mineral composition of Artemia is whether they meet the requirements of fish or crustacean larvae reared ... (use of cover) and focusing a light source on the transparent conical part of the bottom Nauplii should not be allowed to settle for too long (i.e., maximum to 10 min.) in the point of the conical ... enhanced the survival of P monodon PL-15 and the osmotic resistance of PL-10 This has recently been confirmed with the production characteristics of P monodon PL-10 and PL-20 being significantly...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 7 pptx
... assimilation: including the quality and quantity of the food offered, the developmental stage of the larvae, and the culture conditions More detailed information concerning these processes are given ... installations, on the other hand, there is a significantly higher mortality during the end of the first culture week that can be explained by the deterioration of the water quality, probably because the ... down the DHA as is the case in nauplii There is however, an alternative method that takes profit of the specific aspects of ongrown Artemia: instead of adding the enrichment emulsion at the end of...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 8 pptx
... analysis of the algae samples is recommended Algae composition does not only influence growth and reproduction of the Artemia, but also has an effect on the nutritional value of the biomass and the ... accumulates on the pond bottom, they should only be used for a limited period of time Recommended levels of organic manure are 0.5 to 1.25 ton.ha-1 at the start of the production season with dressings of ... usually depends on the availability of high saline water and is often limited to certain periods of the year Management of these ponds is similar to the management of the Artemia ponds in artisanal...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 9 pptx
... of the plankton net may be fixed to the pond gates The amount of zooplankton collected depends on the zooplankton concentration in the water flowing out of the reservoir and on the volume of the ... of the net the more effective and rapid the filtration Hence, the upper limit of the dimensions of the nets depends on the ease of handling rather than anything else The effectiveness of filtering ... transport the harvested zooplankton in 50 l containers Under these conditions the survival of the zooplankton depends on the amount of oxygen dissolved in the remaining water At a concentration of 100...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 10 pptx
... also the production and use of live food organisms as feed for the developing larvae The present manual reviews and summarizes the latest developments concerning the production and use of the major ... population after unfavourable seasonal conditions 6.1.2 Nutritional value of Daphnia The nutritional value of Daphnia depends strongly on the chemical composition of their food source However, since ... particles from the water The efficiency of the filter allows even the uptake of bacteria (approx 1µm) In a study on the food quality of freshwater phytoplankton for the production of cladocerans,...
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Tài liệu MIT Joint Program on the Science and Policy of Global Change: Effects of Air Pollution Control on Climate pdf
... to consider carefully the connections between the chemistry of the atmosphere and climate These connections are complex and their nonlinearity is exemplified by the fact that concentrations of ... regionally variable and partially-offsetting, effects of BC on absorption and reflection of sunlight, reflectivity of clouds, and the strength of lower tropospheric convection (Wang, 2004) These ... reduce the warming induced by the capping of SOx Note that these climate calculations in Figure omit the cooling effects of the CO2 reductions caused by the lessening of the inhibition of the land...
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Tài liệu CONVENTION ON THE PROTECTION AND USE OF TRANSBOUNDARY WATERCOURSES AND INTERNATIONAL LAKES doc
... substances, on the one hand, and the potential transboundary impact, on the other hand; (b) The polluter-pays principle, by virtue of which costs of pollution prevention, control and reduction measures ... should be considered: (a) Provision of information and education to the public and to users about the environmental consequences of the choice of particular activities and products, their use and ultimate ... including the marine environment The application of this Convention shall not lead to the deterioration of environmental conditions nor lead to increased transboundary impact The provisions of this Convention...
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Tài liệu Cleaner Water in China? The Implications of the Amendments to China’s Law on the Prevention and Control of Water Pollution pptx
... national standards for environmental quality and “national standards for the discharge of pollutants” as well as a monitoring system.32 B The Law on Prevention and Control of Water Pollution and ... protection.35 In addition to the LPCWP, polluting industries are subject to a variety of rules and regulations Nationally, these include the Implementing Rules on the Law on the Prevention and Control ... standards for items not covered by the WEQ standards and must report their standards to the State Council.80 Using the WEQ standards and the country’s economic and technological conditions, the...
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