... modulus and mass density respectively of metal and ceramic; e0, e represent the coefficients of porosity m and of mass density with E1, 1 and E2, 2 are the maximum and minimum values of Young’s ... Young’s modulus and mass density at z coordinate; Em, ρmand Ec, ρcare Young’s modulus and mass density respectively of metal and ceramic; e0,em represent the coefficients of porosity and of mass density ... sandwich beam of dimensions L × 1 × h with metal foam core of porosity coefficient e0 and FGM face layers The FG sandwich beam is made of aluminum as metal (Al: Em = 70 GPa, νm = 0, 3) and of
Ngày tải lên: 10/02/2020, 07:58
... HANOI UNIVERSITY OF SCIENCE AND TECHNOLOGY SCHOOL OF FOREIGN LANGUAGES □□□□ FL3221 SYNTAX A Comparative Analysis of Adjective Types and Functions in Electronic Media: CNN and The Straits ... Types of adjectives Used in the Headlines of CNN and The Straits Times 6 5.2 Function of the Adjectives Used in the Headlines of CNN and The Straits Times 9 6 Discussion 15 6.1 Similarities of ... Headlines of CNN and The Straits Times Electronic Media 15 6.2 Differences of the Adjectives Used in the Headlines of CNN and The Straits Times Electronic Media 17 6.3 Similarities of the Functions of
Ngày tải lên: 29/05/2024, 18:11
A CFD analysis of transport phenomena and electrochemical reactions in a tubular-shaped PEM fuel cell
... is essential to the development and optimization of fuel cells, the introduction of cheaper materials and fabrication techniques, and the design and development of novel architectures [2] The ... modeling and simulation for heat and mass transport in PEM fuel cells are being used extensively in researches and industrial applications to gain better understanding of the fundamental processes and ... different shapes of micro-channels which have been already developed and newly designed as well The result of analysis shows that characteristics of flow such as velocity, uniformity, and flow rate,
Ngày tải lên: 05/09/2013, 14:58
Comparative analysis of english formal and informal correspondence
... difference on production and reception We use our mouths and ears for spoken discourse and our hands and eyes for witten one Trang 4Brown and Yule (1983:13 ) point out that spoken and written discourse ... try to offer some suggestions and some possible types of exercises to improve the leaming of writing correspondence Trang 2III Methods of the study * Statistic method * Contrastive and comparative ... The first is used for the establishment and maintenance of human relationships (interactional use) and the second for the working out of andtransference of information (transactional use ).To
Ngày tải lên: 18/12/2013, 19:50
Tài liệu Báo cáo khoa học: Myristoylation of the dual-specificity phosphatase c-JUN N-terminal kinase (JNK) stimulatory phosphatase 1 is necessary for its activation of JNK signaling and apoptosis pdf
... 2–3 and 4– 5) Notably, JSP1 seemed to stimulate preferentially the phosphorylation of the p46 isoform of JNK, whereas sorbitol treatment induced phosphorylation of both the p46 and p55 isoforms ... expression of wild-type JSP1, a subpopulation of cells, with the highest levels of the phosphatase, was induced to float off the dish and undergo apoptosis In contrast, cells expressing similar levels of ... stimulus and cellular context, the JNK pathway has been implicated in both apoptosis and cell survival [9] The duration and extent of MAPK activation depends not only on the activity of kinases,
Ngày tải lên: 16/02/2014, 14:20
Tài liệu Báo cáo khoa học: Gene transcription of fgl2 in endothelial cells is controlled by Ets-1 and Oct-1 and requires the presence of both Sp1 and Sp3 pdf
... labelled probes The adding of extracts and cold probe are indicated in the top of the panel Supershift, ss-Sp1 and ss-Sp3, were shown in presence of anti-Sp1 and anti-Sp3 Ig Cold and mutated competitors ... combinations of the varied transcription factors As shown in Fig 9A, cotransfection Fig 6 EMSA analysis ofthe function ofOctamer motifin the fgl2 promoter Lanes 2–5 of panel A and lanes 2–5 of panel ... amounts of pPacUSp1 (50 ng, left panel) or increasing amount of Ets-1 with 50 ng of either Sp1 or Sp3 (B) Assay of fgl2 promoter activity upon cotransfection of thresholds amount of both Sp1 and
Ngày tải lên: 20/02/2014, 11:20
Báo cáo khoa học: Computer-assisted mass spectrometric analysis of naturally occurring and artificially introduced cross-links in proteins and protein complexes potx
... University of Gent, Belgium 3 MRC Centre, Cambridge, UK Mass spectrometry has become a major tool in the structural analysis of proteins and protein complexes and in large scale analysis of the function ... or in any desired order; and (b) in and out filtering of defined reaction products Our aim is to establish general, rapid and relatively simple procedures for the analysis of naturally occur-ring ... aware of the possible occurrence of deamidations of asparagines and subsequent partial cleavage at the resulting aspartate residues However, virtualmslab analysis allowing partial modification of
Ngày tải lên: 07/03/2014, 12:20
Marketing of Vice Goods: A Strategic Analysis of the Package Size Decision pdf
... prob-lems See, for example, Thaler and Shefrin (1981), Gul and Pesendorfer (2001), and Fudenberg and Levine (2006). periods 2 and 3 This sequential decision of packaging and pricing is appropriate because ... issues such as the impact of health-ier alternatives and government regulations, such as taxation and advertising restrictions, on the nature of competition, firms’ profits, and social welfare This ... problems and examine conditions under which firms will offer small packages to help consumers combat their self-control problem, and how this offering in turn affects prices, profits, consumer, and
Ngày tải lên: 16/03/2014, 11:20
Báo cáo Y học: Role of histidine 42 in ascorbate peroxidase Kinetic analysis of the H42A and H42E variants pptx
... 6), and a nonlinear least-squares fit of the data to Eqn (7) in the pres-ence of imidazole and 1,2-dimethylimidazole yields k¢1¼ 40 ± 3 s)1 and 168 ± 30 s)1, respectively, and Kd¼ 25 ± 5 mMand ... 1/Ka) and k¢1is the limitingfirst-order rate constant at high peroxide concentrations A fit of these data for H42A and H42E to Eqn (7) (Fig 3) yields values for k¢1 and Kd of 4.3 ± 0.2 s)1 and 30 ... 1Role of histidine 42 in ascorbate peroxidaseKinetic analysis of the H42A and H42E variants Latesh Lad1, Martin Mewies1, Jaswir Basran2, Nigel S Scrutton2and Emma L Raven1 1 Department of Chemistry
Ngày tải lên: 18/03/2014, 01:20
IMPROVED SEMI-PARAMETRIC TIME SERIES MODELS OF AIR POLLUTION AND MORTALITY pdf
... , u L]t(Hastie and shirani, 1990; Chambers and Hastie, 1992) Tib-In time series studies of air pollution and mortality, the assumption of linearity of the smoothcomponent of model (1) is inadequate, ... forms of g(t) and f (t) are unknown. The computational steps of our bootstrap analysis are described below: 1 estimate the number of degrees of freedom bd that best predict x t as function of t ... α× b d2) degrees of freedom and α varying from 1/K and K Figure 2 (left panels) shows boxplots of the bootstrap distributions of bβ b (α), b = 1, , 500 as function of α Solid and dotted horizontal
Ngày tải lên: 23/03/2014, 00:20
An Analysis of Small Business and Jobs by Brian Headd Office of Advocacy pot
... information and analysis that was reviewed and edited by officials of the Office of Advocacy However, the final conclusions of the report do not necessarily reflect the views of the Office of Advocacy. ... 1An Analysis of Small Business and Jobs by Brian Headd Office of Advocacy Release Date: March 2010 This report was developed within the Small Business Administration, Office of Advocacy, and ... small and large firms provide roughly equivalent shares of jobs, the major part of job generation and destruction takes place in the small firm sector, and small firms provide the greater share of
Ngày tải lên: 23/03/2014, 05:22
Báo cáo khoa học: Genome-wide analysis of clustering patterns and flanking characteristics for plant microRNA genes doc
... understanding of transcriptional regulation and pro-cessing of plant miRNAs and provide useful knowledge for understanding the mechanism of the origin and computational identification of new miRNAs ... understanding the mechanism of the origin of new plant miRNAs Materials and methods Data sets To obtain the upstream and downstream sequences of plant miRNA genes, we chose four species of plant ... miRNAs, and these motifs may be useful for understanding the mechanism of origin of new plant miRNAs The results presented provide a new insight into the transcriptional regulation and processing of
Ngày tải lên: 28/03/2014, 23:20
Model choice in time series studies of air pollution and mortality pdf
... studies of air pollution and mortality This class of models includes a variety of predictors such as running means of temperature, non-linear functions of running means, multiple lags of temperature ... transformations of predictors, and is the nonparametric analogue of collinearity in standard multiple-regression analysis (Buja et al., 1989; Donnell et al., 1994) The strength of the concurvity between f and ... t/, j=1 Air Pollution and Mortality 185 where the Bj and Hj are known basis functions and m1 and m2 are the degrees of freedom for f and g respectively The functions q and r also have natural
Ngày tải lên: 29/03/2014, 18:20
Strengthening of RC beams and frames by external prestressing
... simple-span and continuous beams, as well as in strengthening beams in RC frames The study focused on: (1) proposal of a direct design and analysis method for strengthening simple-span and continuous beams ... methods of strengthening, and not add much load to the structure; Easy installation and less interruption on the normal usage of the structure; and Possibility of re-stressing and replacement of tendons ... from National University of Singapore i Table of Contents TABLE OF CONTENTS Acknowledgements i Table of Contents ii Summary vii List of Notations x List of Figures xvi List of Tables xx Chapter Introduction...
Ngày tải lên: 14/09/2015, 08:50
Báo cáo khoa học: Thermodynamic analysis of the unfolding and stability of the dimeric DNA-binding protein HU from the hyperthermophilic eubacterium Thermotoga maritima and its E34D mutant pdf
... dependence of the heat capacity of the initial and final conformations (Cp,N2 and Cp,U), the heat capacity of the native state was taken to be a linear function of temperature and that of the unfolded ... where Cp,N2 and Cp,U stand for the molar heat capacities of the native and unfolded states, respectively; that is, the changes of HN2 and HU with temperature Substitution of this and Eqn (10) ... intertwined a-helices, a pair of triple-stranded b-sheets and two Ôdisordered armsÕ, which are quite flexible in the absence of DNA and not very clearly defined in the X-ray picture of the protein (Fig 1)...
Ngày tải lên: 23/03/2014, 12:20
Mega-Events, Urban Boosterism and Growth Strategies: An Analysis of the Objectives and Legitimations of the Cape Town 2004 Olympic Bid pdf
... losers: Toronto and Sydney bids for the summer Olympics Journal of Sport and Social Issues 24, 392–410 Ley, D and K Olds (1988) Landscape as spectacle: world fairs and the culture of heroic consumption ... Environment and Planning D: Society And Space 6, 191–212 Lipsitz, G (1984) Sports stadia and urban development: a tale of three cities Journal of Sport and Social Issues 8, 1–18 Logan, J.R and H.L ... erection of shacks in informal settlements For example, one of the larger growing squatter settlements in Cape Town is known as Khayelitsha and is made up of a mixture of core houses, site and service...
Ngày tải lên: 23/03/2014, 13:20
Use of Alternative Fuels in Cement Manufacture: Analysis of Fuel Characteristics and Feasibility for Use in the Chinese Cement Sector pdf
... landfills as of 2003, and shredded tires as of 2006 (Corti and Lombardi 2004) The German Federal Environmental Office commissioned a study in 1999 to evaluate the trade-offs among different landfill ... value and water content Based on the average values reported in Table II-7, and an assumed coal LHV of 26.3 GJ/ton, the range is between 1.3 and 1.8 tons of chemical and hazardous waste per ton of ... non-recoverable components of end -of- life vehicles It is typically about 20% by weight of the vehicle and is an amalgam of rubber, plastic, wood, paper, dirt, fabric, and ferrous and non-ferrous metal...
Ngày tải lên: 24/03/2014, 05:20
COMET AND ASTEROID RISK: AN ANALYSIS OF THE 1908 TUNGUSKA EVENT pdf
... casualties and no property losses because it occurred in a remote region of Siberia A reproduction of this event over a highly populated region could lead to hundreds of thousands of casualties and ... trees and inferences from blast impacts, to estimate the property and casualty impacts of a similar-sized event over the Manhattan Borough of New York City Finally, the implications of comet and ... including damage to roofs, windows, and car windshields In some cases, stones broke through ceilings and damaged building contents A map of the impact area and a picture of ceiling damage in the...
Ngày tải lên: 30/03/2014, 16:20
báo cáo hóa học:" Prevalence and Correlates of HIV Testing: An Analysis of University Students in Jamaica" pdf
... Control and Prevention (CDC), and the Ministry of Health, Jamaica, were used to facilitate the development and inclusion of standard questions that have been found to employ reliable and valid ... measures of HIV-related attitudes and behaviors across various samples.[27-30] Our survey instrument was reviewed and approved by the Research and Ethics Committee, Ministry of Health, and included ... seeks to identify the predictors of HIV testing (sociodemographics, perceived risk of HIV) and the role of HIV testing on sex-related behaviors (condom use, number of sex partners) Methods Data...
Ngày tải lên: 20/06/2014, 08:20
Book Econometric Analysis of Cross Section and Panel Data By Wooldridge - Chapter 2 pdf
... 2.4 For random scalars u and v and a random vector x, suppose that Eðu j x; vÞ is a linear function of ðx; vÞ and that u and v each have zero mean and are uncorrelated with the elements of x Show ... expectation operator, and several additional properties that are consequences of the randomness of mðxÞ Some of the statements we make are proven in the appendix, but general proofs of other assertions ... book Suppose that w is a random vector and y is a random variable Let x be a random vector that is some function of w, say x ¼ fðwÞ (The vector x could simply be a subset of w.) This statement implies...
Ngày tải lên: 06/07/2014, 08:20