influences of metals and ligands on calibration curves and formation constants for selected iron ligand chelates
Báo cáo khoa học: "Influences of DTC and zinc supplementation on the cellular response restoration in restrained mice" docx
... administration of DTC and zinc ions did not change protective effect of DTC on the two lymphatic organs of zinc ions and DTC not only counteracted the suppressive action of stress on the proliferative ... Germany), and L-glutamine (Serva, Germany) at a concentration of 30 mg/500 ml, and gentamycin (Sigma, USA) at a concentration of 50 mg/ 500 ml of the medium The viability of each thymocyte suspension ... with zinc ions interaction on the total number of thymocytes and splenocytes and weight of the thymus and spleen in restrained mice As reported in Table 1, the total number of thymocytes and splenocytes...
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influences of vietnamese and british culture on english-vietnamese translation by the third year students of english at hanoi open university
... language and target language by way of not only informants but also mutation and observation, and theoretically we are keen on identifying the conditions or justification of translation equivalence ... system may on the other hands, be considered as production of action and on the other as conditioning element of further action" (1952: 181) Culture is defined by Scollon as "Culture is any of the ... principle rule of the construction and development of Vietnamese nation is to strengthen the nation's position and protect the construction and defense has become the symbol of the patriotism of Vietnam...
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The Influences of Push and Pull Factors on the International Leisure Tourists’ Return Intention to Ho Chi Minh City, Vietnam — A Mediation Analysis of Destination Satisfaction
... 2000-2013, Ministry of Culture, Sport & Tourism - Vietnam National Administration of Tourism Y Yoon and M Uysal, “An examination of the effects of motivation and satisfaction on destination loyalty: ... this destination [25]-[27] While destination expectations are formed by visitors’ past experience, recommendation of friends and family, tourist information and promises of destination marketers ... Rudatin, and T Rimenta, “Roles of motivation and destination image in predicting tourist revisit intention: A case of Bandung – Indonesia,” International Journal of Innovation, Management and Technology,...
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Assessing the hazard of metals and inorganic metal substances in aquatic and terrestrial systems
... bioconcentration factor and exposure concentration for metals: implications for hazard assessment of metals in the aquatic environment Environ Toxicol Chem 22:1017–1037 OECD (Organisation for Economic ... behavior of metals in aquatic and terrestrial environments These processes include speciation, complexation, precipitation, and transformation/dissolution of metals in the soil, water column, and ... reliable data and information, but the author and the publisher cannot assume responsibility for the validity of all materials or for the consequences of their use Information contained herein...
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Báo cáo khoa học: "On the performances of Intensity Modulated Protons, RapidArc and Helical Tomotherapy for selected paediatric cases" doc
... and IMPT for Patient Dose distributions in axial coronal and sagittal views for RA, HT and IMPT for Patient Figure Dose distributions in axial coronal and sagittal views for RA, HT and IMPT for ... distributions in axial coronal and sagittal views for RA, HT and IMPT for Patient Dose distributions in axial coronal and sagittal views for RA, HT and IMPT for Patient Figure Dose distributions in ... Dose distributions in axial coronal and sagittal views for RA, HT and IMPT for Patient conformity index inferior to 1.3 Page of 19 (page number not for citation purposes) Radiation Oncology 2009,...
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High Temperature Strain of Metals and Alloys Part 1 ppt
... Effect of Orientation on Properties 111 Deformation at Lower Temperatures 116 Deformation at Higher Temperatures 124 On the Composition of Superalloys 129 Rafting 130 Effect of Composition and Temperature ... The deformation of a metal specimen begins with the application of a load There are two kinds of high-temperature strain, namely, deformation under constant stress σ (i.e creep) and deformation ... physical mechanism of deformation and a strain rate equation are considered Data are presented on the connection between meansquare amplitudes of atomic vibrations in the hardening phase and the creep...
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High Temperature Strain of Metals and Alloys Part 2 pptx
... Investigation Technique consists of a frame and an electronic valve (a so-called diode mechanotron) Deformation of the frame because of stress is transmitted through the screw 10 to the stem of the ... of a diffraction curve usually takes from to 10 and is repeated three times In Fig 2.2 the formation of diffracted radiation is presented Sections of the Evald sphere are shown A projection of ... substitutional solid solutions and superalloys Metals with face-centered and body-centered crystal lattices were examined: nickel, copper, iron, vanadium, niobium and molybdenum Nickel and iron are...
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High Temperature Strain of Metals and Alloys Part 3 pdf
... distribution in the size of these values, however, one may consider the mean values The accuracy of the method is of concern We have used the t-distribution for evaluation of the relative error of the ... kinks and loops that have been observed in this work for different metals show convincingly that the formation of jogs takes place during high-temperature deformation Assuming that the kinks and ... slows the dislocation and lags behind Even the highest resolution of the electron microscope is not sufficient for direct observation of jogs, since their length is of the order of one interatomic...
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High Temperature Strain of Metals and Alloys Part 4 ppsx
... primary stage of deformation and the role of sub-boundaries as obstacles for slipping dislocations increases At the end of the substructure formation the dislocation arrangement is ordered and a steady-state ... generation of vacancies near jogs (energy of activation Ed ); the diffusion of vacancies along the dislocations (energy of activation Ud ); transition of vacancies to the volume (Udv ); diffusion of ... interaction of dislocations having the same sign is facilitated by the high-temperature conditions and applied stress These conditions make it easy for dislocations to move and for the edge components...
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High Temperature Strain of Metals and Alloys Part 5 pdf
... Simulation of the Evolution of Parameters during Deformation 5.1 Parameters of the Physical Model In the previous chapter the physical model of the high-temperature dislocation deformation in metals ... numerical solution over an interval by combining the information from several Euler-style steps (each involving one evaluation of the right-hand side of equations) and then using the information obtained ... cause of the formation of dislocation walls is the interaction between dislocations of the same sign resulting in a decrease in the internal energy of the system At the end of the substructure formation...
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High Temperature Strain of Metals and Alloys Part 6 doc
... rate of the preliminary de- formed nickel specimens versus applied stress Temperature 873K B, without deformation; C, deformation 3%; D, deformation 7% 79 80 Simulation of the Parameters Evolution ... ρ1 and ρ2 are almost constant, hence the rates of the mobile dislocation generation and of the dislocation annihilation (immobilization) are equal The sum of the positive terms on the right-hand ... Dislocations during Stationary Creep At the steady-state deformation the rates of the dislocation generation and annihilation seem to be equal and the parameters λ and D are constant Thus, we should...
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High Temperature Strain of Metals and Alloys Part 7 pot
... High-temperature Deformation of Superalloys Manonukul et al [37] have proposed an expression for the dependence of the strain rate on the volume fraction of the γ phase of the form f (c) = (4π/3c)1/3 ... diffusion-controlled movement of dislocations in the ordered γ phase seems to be the most probable one There is good reason to believe that, in these conditions, the slip of the deforming dislocations ... the activation energy of generation and migration of vacancies in the ordered phase The sum of these values is known to be the energy activation of diffusion in the γ phase The value of area A...
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High Temperature Strain of Metals and Alloys Part 8 docx
... Deformation of Single-crystal Superalloys at Lower Temperatures and Higher Stress Single-crystal superalloys have salient features in response to the applied stress conditions The deformation ... High-temperature Deformation of Superalloys An energetically efficient mechanism of an elementary diffusion event in the γ phase consists of a certain cycle of a vacancy shift The nodes of both sublattices ... properties of a new superalloy This approach does not take into account the physical processes The structure of alloys, solution and precipitation of phases, the influence of elements on interatomic bonds,...
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High Temperature Strain of Metals and Alloys Part 9 potx
... to a deformation on the {111} < 112 > slip system After some deformation and a lattice rotation the strain is associated with at least two slip systems of type {111} < 112 > The influence of stress ... boundaries In the conditions under consideration the γ phase, being a soft constituent, is the source that generates deforming dislocations The precipitates are permitted to deform only elastically, ... activated The lattice rotation which occurs is considered to be a superposition of the deformation associated with two or more {111} < 112 > slip systems 7.2 Deformation at Lower Temperatures The...
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High Temperature Strain of Metals and Alloys Part 11 docx
... strength of alloys: P = T [15 + log t1% ]103 (8.1) where T is temperature of the tests, t1% is the time of 1% deformation of a specimen, 15 is an empirically determined value 149 150 Deformation of ... dislocation In the general case one may consider the edge and screw components of the mixed dislocation In reality dislocation lines can have any shape, they can form loops and networks and they ... dislocation tension (Remember, the bowing of the dislocation creates more dislocation line and increases the energy of the system) The dislocation is able to continue slipping and a dislocation loop...
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High Temperature Strain of Metals and Alloys Part 12 docx
... mechanism of strain 96–98 – prediction of properties 106–108 – trends of development 129 v vacancies – energies of formation 46, 52 – energy of diffusion 46, 47, 52 – loops and helicoids 39 velocity of ... physical model i interaction of dislocations with particles 89–94 j jogs in dislocations – formation 55, 56 – in crept metals 36–38 m metals – copper 27, 28, 30 – iron 31–35 – molybdenum 146–151 ... calculation for pure metals 51–53 – equations 49, 51–53, 95, 96, 100, 137–140 – structural peculiarities 40 d deformation map – iron 64 – molybdenum 150 – nickel 63 – niobium 145 density of dislocations...
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Assessing the Hazard of Metals and Inorganic Metal Substances in Aquatic and Terrestrial Systems - Chapter 1 ppsx
... bioconcentration factor and exposure concentration for metals: implications for hazard assessment of metals in the aquatic environment Environ Toxicol Chem 22:1017–1037 OECD (Organisation for Economic ... uses of hazard information: • • • • • environmental hazard classification of substances; ranking and/ or selection of priority substances; Selection of contaminated sites for further evaluation; ... reliable data and information, but the author and the publisher cannot assume responsibility for the validity of all materials or for the consequences of their use Information contained herein...
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Assessing the Hazard of Metals and Inorganic Metal Substances in Aquatic and Terrestrial Systems - Chapter 4 pptx
... concentration will remain constant The uptake and elimination rate constants for metals are conditional constants that vary with the exposure conditions However, ku can vary with speciation, and ... nature of the gill and gut environment The gill environment reflects the composition of the external solution to a certain extent although gradients in proton and other ion concentrations exist ... phase and include generic background concentrations for metals (except for TBT which are [in μg/l] for Cd, 0.08; for Hg, 0.01; for Tl, 0.04; for Pb, 0.2; for Cu, 0.4; for Zn, 2.8, and for Ni,...
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Assessing the Hazard of Metals and Inorganic Metal Substances in Aquatic and Terrestrial Systems - Chapter 5 ppsx
... 2003 Inverse relationship between bioconcentration factor and exposure concentration for metals: implications for hazard assessment of metals in the aquatic environment Environ Toxicol Chem 22:1017–1037 ... given for information purposes only 5.7 CONCLUSIONS AND RECOMMENDATIONS Based on the basic principles associated with toxicity testing and data interpretation for metals, there is clear need for ... Environ Contam Toxicol 41:8–21 Janssen CR, Heijerick DG 2003 Algal toxicity testing for environmental risk assessments of metals: physiological and ecological considerations Rev Environ Contam...
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Assessing the Hazard of Metals and Inorganic Metal Substances in Aquatic and Terrestrial Systems - Chapter 6 (end) docx
... Information regarding the relative importance of aging reactions for different metals and metalloids is limited Aging reactions can affect both partitioning of metals in soil and assessment of ... validity of a threshold-ranking approach for hazard assessment 6.6 CONCLUSIONS AND RECOMMENDATIONS Ranking of critical loads of metals differ, depending on the consideration of either steady-state concentrations ... useful for ranking the hazard posed by metals, due to homeostasis for essential metals or nonlinear concentration-uptake relationships for nonessential metals, and because food concentration does...
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Tìm thêm: 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 của các đơn vị đào tạo tại nhật bản 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 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 xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct mở máy động cơ rôto dây quấn hệ số công suất cosp fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha thông tin liên lạc và các dịch vụ 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