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Báo cáo hóa học: "Research Article On the Nonexistence and Existence of Solutions for a Fourth-Order Discrete Boundary Value Problem" doc
Ngày tải lên :
21/06/2014, 20:20
... present a sufficient condition on the nonexistence of nontrivial solutions of BVP 1.5 Finally, in Section 4, we provide various sets of sufficient conditions on the existence of solutions of BVP 1.5 when ... semidefinite and for n zf n, z > 0, 1, 2, , k, for z / 3.1 Then BVP 1.5 has no nontrivial solutions Proof Assume, for the sake of contradiction, that BVP 1.5 has a nontrivial solution Then J has a nonzero ... convergent in Rk Therefore, P-S condition is satisfied In order to apply the saddle point theorem to prove the conclusion, we consider the functional −J and verify the conditions of Lemma 2.2 y , y...
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NGHIÊN CỨU THIẾT KẾ VÀ CHẾ TẠO THIẾT BỊ SẤY ỨNG DỤNG CHO VẬT LIỆU DẠNG BỘT NHÃO STUDY ON THE DESIGN AND MANUFACTURE OF DRYER FOR PASTE MATERIAL
Ngày tải lên :
17/05/2015, 12:46
... dụng công nghiệp chế biến nông sản, thực phẩm hoá chất, TPHCM, 2005 Hosokawa Micron Corporation, Hosokawa Product handbook, Osaka, Japan, July 1993 4.Hoàng Văn Chước, Kỹ Thuật Sấy, Nhà Xuất Bản ... 0.24 đến 0,26 mm chiếm tỉ lệ cao phân bố hạt theo kích thước sau sấy vận tốc roto phân loại thay đổi Cỡ hạt có giá trị thành phần phần trăm giảm dần theo thứ tự vận tốc roto sau: 30, 50, 20,40Hz ... 3.1.Nguyên liệu phương pháp phân tích Nguyên liệu sử dụng để nghiên cứu trình sấy bột nhẹ (cacbonat canxi) tinh bột khoai mỳ (tinh bột sắn) Độ ẩm vật liệu sấy đo máy đo độ ẩm Kích thước hạt sản...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 1 pptx
Ngày tải lên :
15/12/2013, 00:15
... 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 ... Resources Division, to help meet the needs of aquaculture workers of Member Countries for the synthesis of information in the field of aquaculture nutrition The editors would like to thank James ... Although the collection and/ or production of natural plankton for feeding in commercial hatcheries may therefore appear evident, in practice the use of natural plankton often entails many constraints...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 2 doc
Ngày tải lên :
15/12/2013, 00:15
... between the culture medium and the air The latter is of primary importance as the air contains the carbon source for photosynthesis in the form of carbon dioxide For very dense cultures, the CO2 ... 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 ... growth depends upon the species and culture conditions of the algae making up the diet, and the bivalve culture conditions Under practical hatchery conditions, high food rations are often fed, which...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 3 ppt
Ngày tải lên :
15/12/2013, 00:15
... 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 for ... 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
Ngày tải lên :
15/12/2013, 00:15
... 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, ... 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 ... production conditions affecting the parental generation For optimal use of Artemia in aquaculture the hatching characteristics of any batch of cysts being used should be known More information in...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 5 docx
Ngày tải lên :
15/12/2013, 00:15
... the hatching medium 4.2.1.3 Effect of environmental conditions on cyst metabolism Dry cysts (water content from to 5%; see worksheet 4.2.1 for determination of water content and Table 4.2.6 for ... 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 ... energy content and hatchability Hatchability of cysts is largely determined by the conditions and techniques applied for harvesting, cleaning, drying and storing of the cyst material The impact of...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 6 docx
Ngày tải lên :
15/12/2013, 00:15
... 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 in freshwater For example, ... (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 ... 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 improved when HUFA-fortified...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 7 pptx
Ngày tải lên :
15/12/2013, 00:15
... 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 ... 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 Dietrich ... in the center of the culture tank (Fig 4.4.6.) The base is closed by a PVC-ring and bears a flexible tube for the evacuation of the effluent An aeration collar is fixed to the lower end of the...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 8 pptx
Ngày tải lên :
15/12/2013, 00:15
... 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 ... tolerance ranges and characteristics for use in aquaculture Therefore, the selection of the strain best adapted to the particular ecological conditions of the site and/ or most suitable for its later ... 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...
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Tài liệu Manual on the Production and Use of Live Food for Aquaculture - Phần 9 pptx
Ngày tải lên :
15/12/2013, 00:15
... 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 water leaving the reservoir Again, the nets ... 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
Ngày tải lên :
15/12/2013, 00:15
... 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 ... 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, ... 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...
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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
Ngày tải lên :
17/02/2014, 22:20
... 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 ... exacerbate it? For this purpose, we will need to consider carefully the connections between the chemistry of the atmosphere and climate These connections are complex and their nonlinearity is...
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Tài liệu CONVENTION ON THE PROTECTION AND USE OF TRANSBOUNDARY WATERCOURSES AND INTERNATIONAL LAKES doc
Ngày tải lên :
18/02/2014, 04:20
... article of this Convention Article EXCHANGE OF INFORMATION The Parties shall provide for the widest exchange of information, as early as possible, on issues covered by the provisions of this Convention ... 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 ... PROTECTION OF INFORMATION The provisions of this Convention shall not affect the rights or the obligations of Parties in accordance with their national legal systems and applicable supranational...
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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
Ngày tải lên :
18/02/2014, 04:20
... 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 ... 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 ... 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...
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Tài liệu REPORT BY THE DIRECTOR-GENERAL ON THE UNITED NATIONS DECADE OF EDUCATION FOR SUSTAINABLE DEVELOPMENT: INTERNATIONAL IMPLEMENTATION SCHEME AND UNESCO’S CONTRIBUTION TO THE IMPLEMENTATION OF THE DECADE doc
Ngày tải lên :
21/02/2014, 17:20
... Further recalling the presentation of a shorter version of the draft framework for the Implementation Scheme (Annex I of the present document) for the DESD at the 32nd session of the General Conference ... where the MDGs overlap with the EFA agenda – other aspects of basic education, such as literacy, quality and non-formal education, are implied as conditions for the realization of the MDGs • The ... list of suggestions titled Guidance for the Preparation of National Launches and Activities of the United Nations Decade of Education for Sustainable Development” that can be found on the UNESCO...
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Report of the Special Rapporteur on the promotion and protection of the right to freedom of opinion and expression, Frank La Rue* ppt
Ngày tải lên :
06/03/2014, 21:20
... inhibit the dissemination of opinions and information The Special Rapporteur is of the view that the arbitrary use of criminal law to sanction legitimate expression constitutes one of the gravest forms ... expression in the context of discussions on the proposal for a directive of the European Parliament and of the Council on combating the sexual abuse and sexual exploitation of children and child ... technologies, for the exercise of the right to freedom of opinion and expression, including the right to seek, receive and impart information and the relevance of a wide diversity of sources, as...
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Perspectives of Chief Ethics and Compliance Officers on the Detection and Prevention of Corporate Misdeeds ppt
Ngày tải lên :
06/03/2014, 22:20
... compliance, and regulation The session opened with some reflections on the regulation of corporate governance and compliance, on the impact of SOX, and on the tension between stronger regulatory controls ... summary of the major themes and topics of conversation in this session The final session of the conference involved a moderated discussion on the topic of “Corporate Ethics and Culture: Role of Boards ... the regulation of corporate governance and compliance, on the impact of SOX, and on the tension between stronger regulatory controls for corporations and the performance pressures for management...
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From Use to Presence: On the Expressions and Aesthetics of Everyday Computational Things docx
Ngày tải lên :
07/03/2014, 17:20
... balance the tube in the palm of one’s hand The tube is connected when both ends are open—to this, one might balance the tube on the tip of one of one’s fingers The tube is waiting for information ... be a room for confessions The notion that there is an immediate connection between the expressions of a thing and various concrete forms of using it is related to the concept of affordances (cf ... as constituents of an interaction model and as constituents of an expression structure It is the expressions of these components that convey the meanings they have in the interaction model and...
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