Materials Literature
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We developed a one-dimensional hybrid model to simulate the DC/RF combined driven capacitively coupled plasma for argon discharges. The numerical results are used to analyze the influence of the DC source on the plasma density distribution, ion energy distributions (IEDs) and ion angle distributions (IADs) on both the…
In this research, the effect of equal channel angular extrusion (ECAE) on the impression creep behavior of magnesium alloy (Mg-5wt.%Sn-1wt.%Ca) was investigated. Energy dispersive system (EDS) was used for chemical composition analysis. The precipitation phases confirmed by X-ray diffraction pattern (XRD) were Mg2Sn a…
The article deals with automatic charge of accumulators in different polar impulse modes in the form of: charge-pause-discharge-pause. This device establishes different time intervals of every phase duration with simultaneous indication of its meanings on liquid crystal display. Functional and principle electric schem…
Иванов Михаил Александрович, кандидат технических наук, доцент кафедры оборудования и технологии сварочного производства, Южно-Уральский государственный университет. Тел.: (351)2679221. E-mail: IvanovM@yandex.ru \nIvanov Mikhail Alexandrovich, candidate of engineering science, associate professor of the Welding Equipm…
In order to improve the classic techniques of silkworm breeding and achieve the integration of good economic traits and disease resistance traits, a cross-breeding and molecular marker assisted breeding technology combined was developed in this experiment. The practical strain Jingsong and the strain NB, highly resist…
This data comprises a collection of Scanning Electron Microscope (SEM) images of transition metal nitrates. Research was conducted to assess the size and morphology of particles
Effect of post-growth hydrogen treatment and annealing on spin filtering functionality in Ga(In)NAs alloys
Ivanov V.P. (doctor of technical sciences, professor; Kastryuk A.P. (Ph.D., associate professor). Polotsk State University
采用Bridgman定向凝固技术对Pb-Bi包晶合金进行定向凝固实验,生长速度为0.5μm/s,温度梯度为35K/mm。在亚包晶和过包晶成分的Pb-Bi合金中（Pb-xBi,x=26%,28%,30%和 34%）均观察到带状组织。由于熔体对流的影响,在试样中心形成树状初生α相,周围被包晶β相基体包围。带状组织出现在树状组织后,并且该带状组织为过渡性的。测定带状组织中的成分分布,从而确定α和β两相的形核过冷度。在有限长试样中,熔体对流是形成过渡性带状组织的主要原因,该过渡性带状组织表现为有限带数,带宽不恒定,且在Pb-Bi合金的两相包晶区很宽的成分范围内出现。
In this work the electronic and thermodynamic properties of both neutral and radical cationic oligothiophene chains with up to eight thiophene units, substituted and bridged oligothiophenes are investigated by performing hybrid DFT (BH and HLYP) and Hartree-Fock calculations using 6-31G* and 6-311G** basis sets. The t…
Encapsulation of biomolecules inside a carbon nanotube(CNT) has attracted great interest because it could enable the delivery of nanoscale pharmaceutical drugs with CNT-based devices.Using a molecular dynamics simulation,we investigate the dynamic process by which human immunodeficiency virus(HIV) replication inhibito…
Pd-based catalyst adapted for biaryls production in a continuous fixed bed reactor is developed, designed and tested. First, the development of the new catalyst is presented. The performance, in term of yield, selectivity and kinetic is then experimentally studied and included in a kinetic model. The impacts of the co…
Au cours des dernières années, les composites à matrice métallique (CMM) du type Al-B4C ont reçu une attention considérable en raison de leur légèreté, de leur conductivité thermique supérieure, de leur grande rigidité et de leur dureté. Grâce à la capacité particulière de l'isotope B10 à agir comme capteurs des neutr…
采用湿式球磨对多壁碳纳米管（MWNTs）预处理，通过化学镀制备Ni-P-MWNTs复合镀层；对45钢、传统Ni-P镀层和Ni-P-MWNTs复合镀层在干摩擦条件下的摩擦磨损性能进行考察和比较。结果表明，球磨后MWNTs长径比降低，长度均匀，且多数端部处于敞开状态。与45钢和Ni-P镀层相比，Ni-P-MWNTs复合镀层的减摩耐磨能力显著强化。当复合镀层中MWNTs的质量分数为0.74%~1.97%时，其摩擦因数和磨损率随MWNTs含量的增加而减少；对于MWNTs质量分数为1.97%的复合镀层，其摩擦因数和磨损率仅为0.08和6.22×10-15 m3/（N？m）。复合镀层优良的摩擦磨损性能归因于MWNTs优异的力学性能和自润滑特性。
We present a theoretical calculation of the dependence of reflectivity Rpp of the improved fully leaky waveguide geometry,which comprises pyramid,matching fluid,and strongly anchored hybrid aligned nematic liquid crystal(NLC) cell on the internal angle.The calculation is based on the multi layer optical theory and the…
Conjugated polymers are organic polymers that can conduct electricity. They undergo a volume change upon redox reaction and can be used as an active material in some micro- actuator system. Micro-actuators are useful in biomedical and electronic application. We have fabricated a patterned Polypyrrole (PPy) trilayer mi…
采用浸渍法将具有光催化活性的多金属氧酸盐（polyoxometalate,POM）磷钨酸和硅钨酸负载到介孔分子筛MCM-41,制备了H3PW12O40/MCM-41和H4SiW12O40/MCM-41两种复合材料,以红外光谱（FT-IR）、X射线衍射（XRD）、N2吸附、高分辨透射电镜（HRTEM）等分析手段对所合成的多酸-分子筛复合材料进行了表征,并以农药百草枯的光催化降解考察了复合材料的光催化活性。所合成的复合材料同时保留了母体多酸的Keggin特征结构和载体MCM-41分子筛均匀的六方孔道结构,比表面积超过200m2.g-1。用于农药百草枯的光催化降解实验表明,两种复合材料均具有较高的光催化活性。在365nm紫外光辐照下,以…
En este estudio se analiza el comportamiento físico y mecánico que presenta un nuevo material compuesto formado por una matriz polimérica de PET reciclado y reforzado con partículas de zinc. Para este análisis se obtiene polvo en dos distintas composiciones de 5 y 40% en peso de partículas metálicas, con el fin de fab…
Heat shock proteins (hsps) are a group of highly conserved proteins that are well distributed in phylogeny. Drosophila melanogaster embryos are endowed with large amounts of hsp110 synthesized in the ovaries of female flies and its expression level remains constant throughout the embryogenesis which indicates the nece…
Ion imprinted polymer (IIP) dan non imprinted polymer (NIP) telah disintesis melalui dua tahapan. Tahap pertama adalah pembuatan kompleks Cd(NO3)2 dengan asam kuinaldat dengan perbandingan mol 1:1 . Tahap kedua adalah pencampuran kompleks tersebut dengan asam salisilat-formaldehida (1:3) dengan HCL 2M sebagai katalis…