use of english language for communication
The Practice of English Language Teaching
... specifically withthe teaching of English as a Foreign Language (EFL). It is not focusedespecially on English as a Second Language (ESL) although much of thecontent of the book can be applied to ... teaching of 'general' English: theteaching of English for Specific Purposes (ESP) is of course mentioned, butdoes not form a major part of the work.In the first edition of this book ... realisations of a language function arebetter for students at lower levels whereas difficulty, lack of transparencyand extremes of formality (and informality) are more suitable for moreadvanced...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 1 pptx
... plankton for feeding in commercial hatcheries may therefore appear evident, in practice the use of natural plankton often entails many constraints which will be explained in detail in chapter 5. For ... recent years through the development and use of a succession of live food organisms as feed for the developing larvae. The aim of the present manual was therefore to review and summarise the latest ... rotifers 3.7. Production and use of resting eggs 3.8. Literature of interest 3.9 Worksheets Worksheet 3.1. Preparation of an indicator solution for determination of residual chlorine 4. ARTEMIA...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 2 doc
... culture performance. Despite extensive research efforts, the use of artificial diets in the culture of bivalve molluscs is still very limited. The advantages and disadvantages of each of the three ... commercial rearing of various species of marine animals as a food source for all growth stages of bivalve molluscs, larval stages of some crustacean species, and very early growth stages of some fish ... composition of 16 species of microalgae used in mariculture. Aquaculture, 145: 79-99. Brown, M.R. and Miller, K.A. 1992. The ascorbic acid content of eleven species of microalgae used in mariculture....
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 3 ppt
... 60% of that of a normal adult female, Fig. 3.17.), are ideal for storage and transport and can be used as inocula for mass cultures. Mass production of rotifers for cyst production is performed ... 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 ... rotifers are rinsed, a small part is used for maintenance of the stock, and the remaining rotifers can be used for upscaling. Furthermore, after some months of regular culture the stock cultures...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 4 pptx
... being developed for oral delivery of vitamins, chemotherapeutics and vaccines. Furthermore, a better knowledge of the biology of Artemia was at the origin of the development of other Artemia ... of survival, growth and success of metamorphosis of many species of fish and crustaceans, but also with regard to their quality, e.g. reduced incidence of malformations, improved pigmentation ... reproductive mode and potential for exploitation. In: Book of abstracts of contributions presented at the International Conference “Improvement of the commercial production of marine aquaculture species”....
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 5 docx
... 4.2.4. Direct use of decapsulated cysts The direct use of Artemia cysts, in its decapsulated form, is much more limited in larviculture of fish and shrimp, compared to the use of Artemia nauplii. ... higher than for instar I nauplii (see 4.2.3.; Fig. 4.3.4.). For example, for the culture of carp larvae during the first two weeks, the use of decapsulated cysts constitutes a saving of over one ... result of the metabolic characteristics of hydrated cysts, a number of recommendations can be formulated with regard to their use. When cysts (both decapsulated and non-decapsulated) are stored for...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 6 docx
... all over the world for enhancing the nutritional value of Artemia with essential fatty acids. Figure 4.3.7. Schematic diagram of the use of Artemia as vector for transfer of specific components ... although often the effects of diet composition only become apparent in later stages (Fig. 4.3.13). A good illustration of this is the resistance to salinity stress in PL-10 stages of a batch of Penaeus ... shading the upper part of the hatching tank (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.,...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 7 pptx
... seawater formulations used for tank production of Artemia (ing.l-1). For the Dietrich and Kalle formulation, solutions A and B are prepared separately, then mixed and strongly aerated for 24h. ... and adults are used as a nursery diet not only for their optimal nutritional value but also for energetic advantages as well. For example, when offered large Artemia instead of freshly-hatched ... production capacities. Application of an that takes profit of the specific aspects of ongrown Artemia: instead of adding the enrichment emulsion at the end of the culture, it is distributed...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 8 pptx
... ponds are often turned into fish/shrimp ponds. for dilution due to release of water from the cysts. - for a low ratio of cysts to brine (e.g. use of brine ponds or large tanks), exchange of brine ... (degradation of organic matter by bacteria) and the nutrient level in the intake water, nitrogen often limits algae growth. The use of nitrogen fertilizers is therefore widespread. Four types of inorganic ... entering the culture ponds. The same type of filters as described for large salt operations can be used. Moreover, the small size of the ponds allows the use of so-called filter boxes. In such a...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 9 pptx
... weight of Tigriopus can be harvested during 89 days at maximal densities of 22,000 animals.l-1; the amount of yeast used for a 1 kg production of Tigriopus being 5 to 6 kg. 5.2.6. Use of resting ... value of Daphnia 6.1.3. Feeding and nutrition of Daphnia 6.1.4. Mass culture of Daphnia 6.1.5. Production and use of resting eggs 6.1.6. Use of Moina 6.1.1. Biology and life cycle of Daphnia ... because of the simplicity of the installation, and require little control over environmental conditions. In addition the use the end hole has a diameter of 0.2-0.5 m. There is a strip of thicker...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 10 pptx
... value of Daphnia 6.1.3. Feeding and nutrition of Daphnia 6.1.4. Mass culture of Daphnia 6.1.5. Production and use of resting eggs 6.1.6. Use of Moina 6.1.1. Biology and life cycle of Daphnia ... and use of resting eggs Resting eggs are interesting material for storage, shipment and starting of new Daphnia cultures. The production of resting eggs can be initiated by exposing a part of ... used to fortify the nematodes with therapeutics (bio-medication). For example, nematodes can be placed in 1 l beakers with 500 ml of fresh artificial seawater and 5 g of Romet-30 premix (Hoffman...
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Tài liệu The Literacy Skills of English Language Learners in Canada docx
... published studies of the English literacy of children inCanada who are English language learners (ELLs) with the goal of understanding the read-ing development of ELLs and characteristics of reading ... experienced in other languages. LIPKA, SIEGEL, AND VUKOVIC: LITERACY SKILLS OF ENGLISH LANGUAGE LEARNERS 43with measures of English rhyme detection and English phoneme deletion in a sample of 65 Canadian ... development of English language skills in ELLs from different language backgrounds should include a focus on transfer between thefirst and second languages, the special characteristics of eachlanguage...
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Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các mục tiêu của chương trình xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ chỉ tiêu chất lượng 9 tr 25