atomic weight and mass number difference

... artery and vein endothelial (HUAECs and HUVECs, panels A and B, respectively) and smooth muscle cells (HUASMCs and HUVSMCs, panels C and D, respectively) obtained from 6 UCs of newborns (birth weight ... unit/mL penicillin and 100 μg/mL streptomycin ECs and SMCs from UC Trang 3arteries and vein were obtained and cultured as described[16] Human umbilical arteries or vein ECs (HUAECs and HUVECs, respectively) ... HUVEC, HUASMC and HUVSMC were similar (46.1, 47.0, 47.7 and 42.3 h, respectively) and the differences among all of them were not statisti-cally significant Furthermore, the average number of cells

Ngày tải lên: 18/06/2014, 15:20

... impact, and worry), the D-39S (a diabetes-specific instrument, including domains of diabetes control, energy and mobility, social burden and anxiety and worry, and sexual functioning) and the RAND-12 ... control and energy and mobility) and RAND-12 PHC than psychological domains of the D-39S (social burden, anxiety and worry, and sexual functioning) and RAND-12 MHC The DQOL showed satisfactory ... scores and lineally transforming to a 1–100 scale Other HRQOL measures: the D-39S and the RAND-12 We collected other HRQOL measures to validate the DQOL, including the D-39S and the RAND-12 The

Ngày tải lên: 18/06/2014, 19:20

... Trang 1HEAT AND MASS TRANSFER – MODELING AND SIMULATION Edited by Md Monwar Hossain Trang 2Heat and Mass Transfer – Modeling and Simulation Edited by Md Monwar Hossain ... Rodrigo and José J Linares Chapter 3 Numerical Analysis of Heat and Mass Transfer in a Fin-and-Tube Air Heat Exchanger under Full and Partial Dehumidification Conditions 41 Riad Benelmir and Junhua ... and Ryoichi Morimoto Trang 9Preface This book covers a number of topics in heat and mass transfer processes for a variety of industrial applications The research papers provide information and

Ngày tải lên: 19/06/2014, 10:20

... advantages (Fuel Cell Handbook, 2004), such as low problems of sealing, assembling and handling No corrosive acids, compared to Phosphoric Acid Fuel Cells (PAFC) are used, and the low temperature ... adsorbent and the kinetic constant of adsorption and desorption influenced significantly the dynamic behavior of the system The stoichiometric parameters, related to the order of adsorption and desorption, ... in Eq (21) and utilizing the initial and equilibrium conditions lead to the final expressions for the time dependent concentration of solute A (Eq 22) as a function of C t , C A0 and k i . 0

Ngày tải lên: 19/06/2014, 10:20

... for oxygen and air operation, and the mass transfer resistance for the different Teflon percentage in the MPL Impedance spectra confirm the suitability of the inclusion of the MPL, and the particular ... of the membrane-electrode assembly, and have the maximum porosity and permeability, allowing the reduction of the mass transfer limitations On the other hand, it is even more important the inclusion ... fundamental in order to maximize the cell performance, and indeed, and according to the experimental results, it plays even a more important role than mass transfer characteristics of the GDL However,

Ngày tải lên: 19/06/2014, 10:20

... the inlet and outlet or the upper and lower fin edges, and is also minimal near the tube surface 2.4.2 Solving heat and mass transfer equations The heat and mass transfer problem has been solved ... 13 % difference between the inlet and outlet airflow Correspondingly, the distribution of the condensate mass flux and the total heat flux density are carried out and illustrated in Fig 13 and ... global calculation algorithm for heat and mass transfer models is developed and presented in Fig 8 Trang 353 Fig 8 The global calculation algorithm for heat and mass transfer models Identify the

Ngày tải lên: 19/06/2014, 10:20

... cold spot temperature difference decreased about 10K Furthermore, as heat and mass transport resistances between the catalyst material and the reactants were neglected in 2D and 3D simulation, ... significantly and this effect can be applied to any catalytic reaction with strong heat effect And it will be more useful in large scale catalyst reactors due to the increasing heat and mass resistance ... a driving gas and carrying gas with an inlet pressure of 1.4 and 1.6 MPa for the heating gas and powder carrying gas separately Heating gas temperature range is 573 K to 773 K Stand-off distance

Ngày tải lên: 19/06/2014, 10:20

... thickness, mm down up, mark of up and down channel n number of interruption or activity exponential doubling number W/F ratio of mole flow rate and catalyst weight, g·h/mol Subscript: 0, in ... temperature and the velocity layers depends only upon the Prandtl number ∆= (4) Thus, combining relation (4), the Fourier’s law and adequate boundary conditions leads to the following U-velocity and ... in forced and natural convection is investigated for Prandtl numbers representative of nanofluids The nanofluids considered for this study, at ambient temperature, are water-alumina and water-CuO

Ngày tải lên: 19/06/2014, 10:20

... lower and upper limits for outlet and inlet water temperature, respectively, the minimum approach, the minimum allowable temperature difference, the minimal difference between the dry and wet ... total pressure drop in the fill, outlet air conditions, range and approach, electricity consumption, water and air mass flowrate, and number of transfer units) of the counterflow cooling tower that ... and petrochemical process industries, electric-power generating stations, and refrigeration and air conditioning plants In these systems, water is used to cool down the hot process streams, and

Ngày tải lên: 19/06/2014, 10:20

... cases 1 and 6, the estimations obtained using the Poppe’s method are more expensive because of the higher air flowrate, area and height packing However, for examples 3 and 4 both capital and operating ... 47826.5 Table 5 Results for Examples 4, 5 and 6 Trang 5(a) (b) (c) Fig 9 Effect of range and air flow rate over packing volume and capital cost For Examples 2 and 5, the designs obtained using the ... rate, kg/s m w,b blowdown water mass flow rate, kg/s m w,d drift water mass flow rate, kg/s m w,ev mass flow rate for the evaporated water, kg/s m w,in inlet water mass flow rate in the cooling

Ngày tải lên: 19/06/2014, 10:20

... Reynolds number Re and the Schmidt number Sc (Beg, 1975) Sh aRe Sc (50) Sh a bRe Sc (51) 0 ii for natural convection as a function of the Grashof number (mass) Grm and the Schmidt number Sc (Sedahmed, ... calculated from the dimensionless Nusselt number Nu The Nusselt number can be expressed: i for forced convection as a function of the Reynolds number Re and the Prandtl number Pr Nu aRe Pr (62) ii for ... (62) ii for natural convection as a function of the Grashof number Gr and the Prandtl number Pr Nu a Gr Pr (63) The constants a, b, and c can be found in Holman (1990) For materials of moisture

Ngày tải lên: 19/06/2014, 10:20

... v is the valence number of the substance as an ion (electrons per ion), M is the molar mass of the substance (in grams per mole), and NA is Avogadro's number If the mole number of a substance ... temperatures between 1700 and 2000 K the mole numbers of Ru, RuO, and RuO2 increase by an amount smaller that the amount of decrease of the Trang 8mole numbers of RuO3 and RuO4 resulting in an ... radioelements 137Cs, 60Co, and 106Ru Ruthenium is a high activity radioelement, and it is an emitter of α, β and γ radiations, with long a radioactive period However, Cesium and Cobalt are two low

Ngày tải lên: 19/06/2014, 10:20

... t (3) where superscripts ‘a’ and ‘s’ imply the asymmetrical and symmetrical fluctuations, respectively C x y z t and m , , ,  C z t m* , are the concentration and the concentration in electrostatic ... (> 0) and the concentration difference between the bulk and surface *(> 0), the average concentration gradient of the diffusion layer is written by * m c L  According to Eqs (3) and (13), ... equilibrium in the diffuse layer, from Eqs (4b) and (7b), the following relationship between a m L and L a is obtained   * 0, On the other hand, the concentration overpotential is written

Ngày tải lên: 19/06/2014, 10:20

... n ≥ 1 and f is entire; Bergweiler and Eremenko [9] verified the case when n = 1 and f is of finite order, and finally by Chen and Fang [10] for the case n = 1 For an analogue result in difference, ... nonlinear difference equation and uniqueness of difference polynomial Jianming Qi1*, Jie Ding2and Taiying Zhu2 * Correspondence: qijianmingdaxia@163.com 1 Department of Mathematics and Physics, ... difference equation, difference polynomial 1 Introduction Let f (z) be a meromorphic function in the whole complex planeℂ It is assumed that the reader is familiar with the standard symbols and

Ngày tải lên: 21/06/2014, 00:20

... Signals Using Damped Sinusoids via Atomic Decompositions and Its Applications Lisandro Lovisolo, 1 Michel P Tcheou, 2, 3 Eduardo A B da Silva, 2 Marco A M Rodrigues, 3 and Paulo S R Diniz 2 1 Departamento ... by Alexander Mamishev The number of waveforms monitored in power systems is increasing rapidly This creates a demand for computational tools that aid in the analysis of the phenomena and also ... tendency is to sample signals at higher rates and for longer periods of time Thus, storage capacity and transmission bandwidth prob-lems persist, demanding good compression schemes Also, the information

Ngày tải lên: 22/06/2014, 23:20

... and G F Webb, Understanding drug resistance for monotherapy treatment of HIV infection, Bull Math Biol 59 (1997), no 4, 763–785. [7] A R McLean and C A Michie, In vivo estimates of division and ... unavoidable AIDS epidemic Indeed, from (2.1), and mu-tatis mutandis also from (2.2), if we start, as is reasonable, withA =0, we haveA
> 0, and thusA grows as long as A < µI/λ The only ... step, to discard the negative solution and keep only the physical one,y n > 0. Figures2.1and2.2show a typical evolution of the discrete model (2.2) The onset and evolution of AIDS epidemic are

Ngày tải lên: 23/06/2014, 00:20

... the separability andSchurity numbers of cellular algebras and schemes and study general properties of them.Sections 5 and 7 are devoted to computing the separability and Schurity numbers for 3/2-homogeneous ... the separability number and the Schurity number of W respectively The separability number s( C) and the Schurity number t(C) of a scheme C are defined as the corresponding numbers of its Bose-Mesner ... these results are used in Sections 5 and 7 Let us turn to schemes We define the separability number and the Schurity number of a scheme as the corresponding numbers of its Bose-Mesner algebra A

Ngày tải lên: 07/08/2014, 06:20

... pickled ginger and wasabi are served with sushi because they are both antimicrobial and antibacterial, and not just added for taste. Chicken and Poultry Chicken and other poultry are fine and desirable ... humans, those lives should be free and full. Our animals should be free of hormones and antibiotics, able to roam the land and interact with other animals, and be afforded a natural diet. Nature ... tend to include plenty of sweet and salty tastes in our diet, and sweet has a tendency to create dampness (which is how the Chinese understand excess weight) and salty causes water retention....

Ngày tải lên: 15/02/2014, 15:20

... different, and no one diet is right for all. This book will help you find a diet plan that works for you. . lose weight. Lose weight rapidly, and keep it off permanently. Losing weight isn’t pleasant, and ... life. What’s more, I came to understand the game of weight control. Confidence, founded in understanding and con- firmed by success, makes maintaining an ideal weight far more likely. What I discovered ... it comes to gaining and losing weight, the human body is remarkably akin to a rubber bag. Fad diets and gimmick nutritional plans obscure this simple yet essential fact of weight control: if you...

Ngày tải lên: 15/02/2014, 15:20

... calories 5 Understanding Why You Gained Weight To appreciate how you can enjoy satisfying amounts of a much wider variety of foods and still lose weight, you need to under- stand the differences between ... is meat and dairy product, and how much is bun, french fries, and soft drink—that is, how much is fat, and how much is starch and sugar? Fast food isn’t so much fatty as it is starchy and sugary. Too ... counting and low-fat diets for weight loss and was usually disappointed by the results. People just kept gaining weight. Then, in the 1990s, some of my patients started ignoring warnings about fat and cholesterol...

Ngày tải lên: 15/02/2014, 15:20