2adsorption and mass diffusion in the desiccant layer
2D Modeling of thermokinetics coupled with heat and mass transfer in the reduction zone of a fixed bed downdraft biomass gasifier
... reduced at the remaining zone of the bed In fact, both the high temperature and the high reactant concentrations at the inlet of the bed enhance the char conversion In the remaining zone of the bed, ... tars and methane The kinetics of char combustion and gasification were also implemented into the mathematical model and all of them were coupled with the mass and energy equations, allowing the investigation ... are the driving terms in the reactions rates expressions due to the higher solid temperature, while at the bottom of the bed, the reactivity of the char increases and becomes the driving term in...
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Investigation and application of liquid chromatography mass spectrometry in the analysis of polar, less volatile and thermal unstable organic pollutants in environmental and biological samples 6
... behavior in ultrapure water, drinking water, rain water, river water and seawater under various pH and irradiation sources (sunlight, darkness, indoor incandescent lighting and artificial UV lighting) ... underwent thermal degradation under the extraction conditions The results indicate that although carbamates tested in this study are thermally labile, there was little observable degradation under the ... irradiation was maintained as neither evaporation losses nor propoxur decomposition was observed during the process The extracts of goldfish, tortoises and sea lettuce were stable and a 3-days delay...
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Investigation and application of liquid chromatography mass spectrometry in the analysis of polar, less volatile and thermal unstable organic pollutants in environmental and biological samples 5
... freedom for the assignment of the variables under consideration The assignment of the main variables (A, B, C and D), two-variable interaction, and the level setting values of the main variables ... the PIFE-lined extraction vessel After adding the needed volume of the extracting solvent (Table 5-1 and Table 5-2), 10min equilibration was allowed before extraction During optimization of the ... delay of 0.02 s and a mass span of mass unit Quantitation was based on the area under the peak from the mass chromatogram of the above molecular ions at m/z 60, 151, and 210 For the LC separation...
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Investigation and application of liquid chromatography mass spectrometry in the analysis of polar, less volatile and thermal unstable organic pollutants in environmental and biological samples 4
... 88 An interesting result observed from Fig 4-6 is that in the same solvent, the recovery increases in going from PAHs to PCBs, and then to triazines (i.e, increasing polarity of analyte) The recovery ... by the interaction between the analyte and the matrix The higher the polarity of the analyte, the larger its dipole Thus it is more easily reoriented and finally desorbed from the soil matrix in ... This may be due to the fact that the water present in the matrix can allow important local heating and thus could favour the expansion of the pores and liberate the analytes into the solvent This...
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Investigation and application of liquid chromatography mass spectrometry in the analysis of polar, less volatile and thermal unstable organic pollutants in environmental and biological samples 3
... light intensity affects the K and t½ in each natural water sample K increases and t½ decreases accordingly when the light intensity increases in the order of darkness, indoor lighting and sunlight ... behavior in Milli-Q water, drinking water, rain water, river water and seawater under various pH and irradiation sources (sunlight, darkness, indoor lighting (incandescent) and artificial UV lighting) ... different pH and irradiation sources (sunlight, darkness, indoor incandescent lighting and artificial UV light) by using LC-APCI-ITMS with selected ion monitoring mode; and (3) To investigate the degradation...
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Investigation and application of liquid chromatography mass spectrometry in the analysis of polar, less volatile and thermal unstable organic pollutants in environmental and biological samples 2
... were obtained by storing the above spiked soil in bottles in a dry, dark location for 60 days It was assumed that the contaminants were uniformly distributed in the sample and that, because the soil ... running water and then rinsed with deionized water The fish samples were grinded in a mortar and pestle with liquid nitrogen until a homogenous fine powder was obtained In order to meet the fortification ... The instrument was initially tuned based on a mixture of caffeine, L-methionyl-arginyl-phenylananyl-alanine acetate·H2O and a mixture of perfluoroalkoxycyclotriphosphazenes in both positive and...
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Investigation and application of liquid chromatography mass spectrometry in the analysis of polar, less volatile and thermal unstable organic pollutants in environmental and biological samples 1
... V), and are then dispersed into a very fine spray of charged droplets with the same polarity The solvent then evaporates, shrinking the droplet size and increasing the charge concentration at the ... breakthrough in the development of coupling techniques was the introduction of the moving-belt interface (MB) in 1974 that, became the first commercial LC-MS interface [11] Subsequently, many interface ... to mass spectrometry is an odd combination In HPLC, the sample is in solution and at atmospheric pressure, while the mass analysis of ions takes place within a vacuum [10] In developing on-line...
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Báo cáo y học: Esterified Hyaluronic Acid and Autologous Bone in the Surgical Correction of the Infra-Bone Defects"
... bone graft in the damaged site and on the other hand, it creates an environment with a rich content of HA, with all the advantages deriving from the phenomenon The present study’s clinic and radiologic ... for the tools and facilitate the direct clinical view of the defect [fig 3-4] A full-thickness flap was elevated and the granulation tissue was removed showing the true extension and depth of the ... membrane in the treatment of infra bone defects, our clinical results are encouraging considering that in a similar study a mean value of the increase of the bone height of 0.5 mm was obtain with...
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TYPHOONS AND TECHNICAL SOLUTIONS RECOMMENDED FOR EXISTING AND NEW HOUSES IN THE CYCLONIC REGIONS IN VIETNAM
... of the coastline Winds acting on this sub-region are generated from strong typhoons directly approaching the coastline between Hai Phong and Ninh Binh, the coastline of Thanh Hoa and the southern ... typhoons and inundation are one of the many factors causing hunger and poverty hindering the socio-economic development of Vietnam Therefore, planning and construction of houses and buildings against ... level above the windows and door (to be replaced the lintel) in the brick wall and continuously run around the house The starting rebars should be arranged at the location where the roof-trusses...
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Food, Animal production and Human Comsumption in the Asian Region
... the world will sufficiently accommodate and feed its human population with out destroying the enviroment and depleting natural resources???” Land used by region and country group, 1961,1991 and ... wastes Weeds, marginal land Rice straw, corn stalk Other crop wastes trees, marginal land Poultry (Chicken, Duck & Turkey) Pig and small ruminant (Pigs, Goat & Sheep) Large ruminants ( Cattle, ... research and knowledge management Science based solutions to emerging issues 49 Livestock in a changing world Genetics and breeding Feed resources and Utilization Human resource International...
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MÔ HìNH HOá QUá TRìNH TRAO ĐổI NHIệT ẩM TRONG MáY ấP TRứNG GIA CầM Modeling of heat and mass transfer in chicken egg incubators
... Segerlind L.J, (1988), Modeling Simultaneous Heat and Mass Transfer in Isotropic Sphere, Trans ASEA, pp 31 Husain A., Chen C.S., Clayton J T, Whitney L.F (1972), Mathematical Simulation of Mass and ... Heat and mass transfer, Mir Publisher, Moscow Peebles E D, Christopher D McDaniel (2004), A Practical Manual for Understanding the Shell Structure of Broiler Hatching Eggs and Measurement of their ... Simulation of Mass and Heat Transfer in High Moisture Foods, Trans ASAE, pp 55-59 224 Husain A., Chen C.S., Clayton J T (1973), Simultaneuos Heat and Mass Diffusion in Biological Material, Trans ASAE,...
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Improvement of nutrient removal and phosphorus recovery in the anaerobic/oxic/anoxic process combined with sludge ozonation and phosphorus adsorption
... phosphorus was then accumulated in the sludge in the subsequent oxic tank by normal oxygen-utilizing PAOs The residual phosphorus was removed in the final anoxic tank without oxygen Especially in Phase ... ozonation) and effluent of the phosphorus adsorption column are shown in Fig During the operation, about 70% of the phosphorus in the sludge was solubilized by ozonation, and a large part of the solubilized ... 2008) The reactivated adsorbent was packed into the column again, and phosphorus was effectively adsorbed Figure Concentration of each type of phosphorus in the influent and effluent of the phosphorus...
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Characteristics of Leachate from Citrus Groves and their Changes in the Collecting Reservoirs in Matsuyama, Japan
... and periphery of the Seto Inland Sea The location of the research area and the distribution of the citrus groves in Matsuyama region are shown in Fig Matsuyama is situated in Shikoku Island in ... 66m, and 60m, respectively Stream water samples were collected at the middle parts of the grove from points Sampling points St.1 and St.2 are in the same stream, and sampling point St.3 is in the ... in the other stream The two streams flow together to be one stream and the sampling point St.4 is situated in the joined stream, which is the only stream that flows into the reservoir The reservoir...
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Cadmium Removal by the Hydroponic Culture of Giant Reed (Arundo donax) and Its Concentration in the Plant
... was removed within days in every run Assuming the zero-order kinetics, the average cadmium removal rates within the days calculated from the linear approximations of the plots in Fig were estimated ... concentration in giant reed as a result of Run 6, indicating that the cadmium was highly concentrated in the rhizome The transportation index, Ti, indicates the ability of the plant to translocate the ... cadmium, and is synthesized from glutathione (GSH) Inouhe et al (1994) reported that the cadmium binding complex containing PCs has an important role for the cadmium-tolerance of seedlings of...
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A STUDY OF THE RELATIONSHIP BETWEEN CEO COMPENSATION AND FIRM PERFORMANCE IN THE US AIRLINE INDUSTRY 2002 2006
... compensation and firm performance in the U.S airline industry may aid those seeking to invest in the industry as well as forward looking investment decisions by various groups interested in the U.S airline ... cyclical and the structure of the industry causes instability Hecker (2005) argues that the inherent instability of the airline industry can be traced to the structure of the industry and its ... … by diluting and distorting managers’ incentives and thereby hurting corporate performance” (p 72) The authors argue that the inability of the optimal contracting approach in explaining executive...
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Endface Geometry and Connector Reliability in the Outside Plant
... optical fiber, the region on the right is the ferrule, and the thin section in the middle is the epoxy Notice how the fiber is lower than the ferrule in the right photo This is the phenomenon ... be the original position of the new apex We can then use these values of x0 and y0 to calculate the new apex location, x and y, by inserting these values into (7) and (8) Now that we have the ... permanently withdraw into the ferrule if the epoxy holding the fibers creep If the initial fiber height is too recessed into the ferrule, the fiber may creep too far back into the ferrule causing loss of...
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- 525
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Corporate and Marketing Strategies in the High-Tech Industry
... product include developing and testing new products, modifying or eliminating existing products, managing the product range, formulating a brand name, and creating a product guarantee and associated ... customers For instance, in the on-line service industry, after initially pursuing a nonstandard strategy, late entrants into the field, such as Microsoft and AT&T, followed the standards in foundation ... of the engine to be installed on the Airbus A320 and A321, and then the A340, constantly improving the cost/quality ratio through an aggressive management of the experience curve In the end, the...
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Tài liệu Designing for Profitability in the Physical Layer of Wireless Networks docx
... reducing the volume of unneeded repairs Non-intrusive Testing and Monitoring for Proactive Maintenance Maintaining the health of the network is the prime responsibility of Operations As e-mail and ... an increased workload for reconfigurations and maintenance Meeting the challenge of increasing profits in the face of fewer capital and operating resources to manage this steadily growing and ... reducing both training time and the time required for reconfigurations of cables and patch cords Pre-defined, well-defined cable routing paths greatly improve the uniformity of work and compress the...
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monetary and fiscal policy in the ISLM model
... in money demand Shift in the LM Curve from an Increase in the Money Supply Shift in the LM Curve from a Decrease in the Money Supply Response to a Change in Monetary Policy • An increase in the ... lead to a rise in output – Increased government spending increases the interest rate and crowds out investment spending and net exports • The less interest-sensitive money demand is, the more effective ... increases the demand for money Response to a Change in Fiscal Policy II • The excess demand for money pushes the interest rate higher • The rise in the interest rate eliminates the excess demand for money...
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Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các nguyên tắc biên soạn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam 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 đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25