the study of chemistry and physics

... specific immunotherapy, with the long term goal of improving the safety and efficacy of immunotherapeutic treatments for allergic disease The first part of the thesis focused on the mechanistic ... and IL-10 production The notion of D50 immunization induced the development of Treg cells and hindered the IL-13-dependent IgE synthesis was evident by the suppression of cell proliferative and ... signaling pathways in the specification of cell fates during development The second part of the thesis aimed to gain further understanding of the mechanisms underlying the protective immunity

Ngày tải lên: 14/09/2015, 14:20

... concepts Isotopes of a given element differ from one another by the number of neutrons in their nucleus Generally, the isotope with the lowest number of neutrons in its nucleus is the natural isotope ... detect their radioactive decay products The antecedents of AMS date back to the beginning of the nuclear era In 1903, Marie Curie and her husband Pierre Curie established quantitative standards ... determine the masses of isotopes and their relative proportions These instruments evolved into what we now call mass spectrometers In the 1930s, J.D Cockroft and E.T.S Walton were the first to

Ngày tải lên: 11/04/2017, 11:10

... systems The chronicity of the disease and diabetic complications also place a heavy burden on diabetic patients, their families and the society The management of diabetes and treatment of diabetic ... study aims to understand the management and control blood glucose and explore the prevalence of complications and comorbidities of type 2 diabetes outpatients Results: 1 A cross-sectional study ... reforming the health system to manage and control diabetes, especially type 2 diabetes With the rapid increase in incidence, the complexity of complications, and the burden on the health system and

Ngày tải lên: 16/12/2018, 15:04

... Trang 1ORIGINAL ARTICLEThe study of partial and excess molar volumes for binary mixtures of nitrobenzene and benzaldehyde Department of Physical Chemistry, Faculty of Chemistry, Razi University, ... theoretical and prac-tical points of view From theoreprac-tical viewpoint, developing the knowledge of molecular interactions could help to predict thermodynamics and transport properties of components ... evaporation of the samples and measurements were performed immediately after preparation of solutions The densities of solutions were measured by means of an Anton Parr DMA 4100 U-tube densimeter The

Ngày tải lên: 13/01/2020, 04:51

... the allowed representation of the candidate programs The use of grammar delimits the creation of the initial pop-ulation as well as the application of the variational oper-ators as mutation and ... to the outcome equivalent to that of the origi-nal population The first part of the population is defined as validation group and its respective training group con-sists of the other 4 parts The ... of asthma, and two markers of allergy: presence of IgE antibody against common allergens, and skin prick test positivity for common allergens (SPT) Results: The average of the accuracies of the

Ngày tải lên: 25/11/2020, 14:02

... PHỎNG ÂM THANH CÙNG VẤN ĐỀ DỊCH ĐỐI CHIẾU TRONG TIẾNG VIỆT VÀ TIẾNG HÁN The Study of contrast and translation between Vietnamese and Chinese onomatopoetic words LUẬN ÁN TIẾN SĨ NGÔN NGỮ HỌC VŨ HÁN ... PHỎNG ÂM THANH CÙNG VẤN ĐỀ DỊCH ĐỐI CHIẾU TRONG TIẾNG VIỆT VÀ TIẾNG HÁN The Study of contrast and translation between Vietnamese and Chinese onomatopoetic words Chuyên ngành: Ngôn ngữ học Ngôn ngữ ... 授 学 科 、 专 业 名 称 ：语 言 学 及 应 用 语 言 学 研 究 方 向 ：应 用 二〇一七年五月 语 言 学 10486 The Study of contrast and translation between Vietnamese and Chinese onomatopoetic words By LE MINH THANH May，2017 论文原创性声明 本人郑重声明：所成交的学论论文；是本人在导师指导下；独立

Ngày tải lên: 20/04/2021, 23:47

... moment of inertia of a body about an axis is the sum (or integral) of the products of its elements of mass and the squares of their distances from the axis [1] Momentum (p) - The product of mass and ... the atomic number, m(1H) is the mass of the hydrogen atom, N is the neutron number, mn is the rest mass of the neutron, and ma is the mass of the atom in question Thus Bc2 can be equated to the ... V is the volume as measured at pressure p0; p1 and p2 are the pressures at each end of the tube; r is the radius and l the length of the tube; and η is the viscosity Poisson ratio (µ) - The absolute

Ngày tải lên: 16/09/2021, 00:15

... improvement in the quality of life in the countries of the northern hemisphere, as well as the effects of the Industrial Revolution and, in particular, the phenomena of urbanization and technological ... especially malaria, putting the development of the region at risk In view of the occurrence of deforestation and the proliferation of malaria, we sought to study the risk factors and perspectives for ... semivariogram and the kriging The semivariogram method is the mathematical modeling that allows studying the natural dispersion of the variable, and the Kriging method, used to analyze the spatial

Ngày tải lên: 13/10/2022, 16:03

... effect of the conjugate formed between carbonyl and amino in the urea of the DES, while the other peak can be attributed to the formation of [C0CI4]2' and [CoC13(H20)]" species of the cobalt ... Although the theory of nucleation is widely publicized, the methodology of these phenomena seems to be limited, particularly in the case of electrodeposition of metals from the DES Therefore, the ... figured out that the nucleation and growth processes of metals are the key phenomena in the theory of phase transitions [15], Future advances in the control of materials and processes at the nanoscale

Ngày tải lên: 14/02/2023, 23:06

... the final results of the project Use of these recommended, internally consistent values is encouraged in the analysis of thermodynamic measurements, data reduction, and preparation of other thermodynamic ... (hypothetical) ideal gas at the standard state pressure. • The standard state of a pure liquid substance is that of the liquid under the standard state pressure. • The standard state of a pure crystalline ... K The standard state pressure is 100 kPa (1 bar) The standard states are defined for different phases by: • The standard state of a pure gaseous substance is that of the substance as a (hypothetical)

Ngày tải lên: 22/12/2016, 09:09

... understand the mechanisms involved in the cell operation, and thus can lead to water management improvement The bases of the PEMFC modeling have been set in the early 90’s: 1D isothermal and steady ... geometry Therefore, the critical operating current presented here refers of course to the modeled fuel cell and is not necessarily the same for other fuel cells However, the method and the tendencies ... is the ratio between the water moles and the sulfate sites moles in the membrane): λ ρ w m EW C Trang 4where EW and ρm are respectively the equivalent weight of the membrane ( 13 − − ⋅mol SO of

Ngày tải lên: 05/09/2013, 14:58

... the others Because of shortage of oxygen in the charge of cylinder in the EGR case, amount of burnt fuel and consequently accumulated heat release are less than the others Figure 10 shows the ... the reactants (fuel and oxygen) are contained in the same eddies and are separated from eddies containing hot combustion products The rate of dissipation of these eddies determines the rate of ... premixed fraction and a corresponding increase in the amount of fuel burned during the diffusion phase of combustion were observed in the case of LHR engine The experiments of S Jaichandar et al [22]

Ngày tải lên: 05/09/2013, 16:11

... Organization of the study The study includes three parts: - Part 1, INTRODUCTION, introduces the rationale for the research, the aims of the study, the scope, the methods and the organization of the study ... the study The aim of the study was to investigate how the teachers at UTC teach pronunciation tofirst-year students, with the goal of making suggestions for the teachers to improve theteaching of ... (Castillo, 1990) During the late 1960s and the 1970squestions were asked about the role of pronunciation in the ESL/EFL curriculum, whether thefocus of the programs and the instructional methods

Ngày tải lên: 07/09/2013, 13:45

... mentions the method and procedures of the research Chapter 4: “Findings and Discussions” is the main frame of the study, which describes and compares some semantic and pragmatic features of the adjective ... of invisible unclothed being waiting for the clothes of language to allow it to be seen, which is why it is very necessary to take off the clothes of language to understand the real meaning of ... references and an appendix as follows: Chapter 1: “/ntroduction” states the rationale of the study, defines the aims, objectives and the significance, presents the research questions, the scope and

Ngày tải lên: 26/11/2013, 13:21

... errors in the schooling variables Given that these errors exist in the data, the use of the GLS estimation method rather than the OLS can reduce the effects of these errors Similarly, the “within ... take these results and generalize them to the population at large Thus this study will examine the three major issues in the twin study by gender as well Whenever the data allow, the sign and ... increase the earnings of its citizens The effects of the other factors have to be taken into account for the formulation and implementation of the government policies The effects of personal characteristics

Ngày tải lên: 16/03/2014, 03:20

... and the conclusions drawn from the simulation studies may be misleading This study has the following two main objectives (1) To study the impact of other well-known random mobility models, Random ... about 50% of scenarios, and the second group has the remainder Due to the existence of horizontal and vertical streets in the MAN model, the first group has about 25% of scenarios while the second ... random direction and a random speed The node randomly and uni-formly selects its new directionθ(t) from (0, 2π] and speed v(t) from (0, Vmax] During the time interval t, the node moves with the

Ngày tải lên: 21/06/2014, 11:20

... fixed point theorems) from the wealth of operator theory, in order to assure the existence of a unique solution of the operator equation inH or H1 In the case of linear equations, we use the following ... outline of the functional-analytic method that we will present in details inSection 2 (For a sketch of the main ideas used in the proofs of our main results, see the beginning ofSection 3.) By use of ... present the generalization of this functional-analytic method for the study of linear and nonlinear partial difference equations of p variables in the Hilbert space
2 p, defined by (1.1), and the

Ngày tải lên: 23/06/2014, 00:20

... Kilogram(3dCGPM,1901) Thekilogramistheunitofmass;itisequaltothemassoftheinternationalprototypeofthe kilogram. A.4 Second(13thCGPM,1967) Thesecondisthedurationof9192631770periodsoftheradiationcorrespondingtothe transitionbetweenthetwohyperfinelevelsofthegroundstateofthecesium-133atom. A.5 ... Radian Theradianistheplaneanglebetweentworadiiofacirclethatcutoffonthecircumferencean arcequalinlengthtotheradius. A.10 Steradian Thesteradianisthesolidanglethat,havingitsvertexinthecenterofasphere,cutsoffanarea ofthesurfaceofthesphereequaltothatofasquarewithsidesoflengthequaltotheradiusofthe sphere. ... AlternativedefinitionsoftheSIprefixesandtheirsymbolsarenotpermitted.Forexample, itisunacceptabletousekilo(k)torepresent2 10 =1024,mega(M)torepresent 2 20 =1048576,orgiga(G)torepresent2 30 =1073741824. 3 Thisinterpretationwasgivenin1980bytheCIPM.Itwasdeemednecessary becauseResolution12ofthe11thCGPM,whichestablishedtheSIin1960,didnotspecifythenatureofthesupplemen- taryunits.Theinterpretationisbasedontwoprincipalconsiderations:thatplaneangleisgenerallyexpressedastheratioof twolengthsandsolidangleastheratioofanareaandthesquareofalength,andarethusquantitiesofdimensionone(so-called dimensionlessquantities);andthattreatingtheradianandsteradianasSIbaseunits–...

Ngày tải lên: 24/04/2014, 17:21