Based on the basic theory of electrodynamics about electromagnetic radiation,the general formulae of radiation power and......

<正> Ⅰ. INTRODUCTIONNonlinear effect in liquid crystals is an important subject which has been widely investigated (see......

The ATP synthase(having a typical subunit composition of ?3?3???ab2c8-15) employs an intriguing rotary mechanism for the......

Linear diribonucleoside phosphotriester is an important intermediate for synthesizing biologically important compounds,s......

Chemical properties of the superheavy elements are expected to be strongly influenced by relativistic effects. Until rec......

The research method of this paper is based on the standards of American Society for Testing and Materials (ASTM). Four i......

With the theory of statistical physics dealing with chemical reaction (the law of mass action), the different thermodyna......

Almost all intraplate caprocks experienced strong deformation during the convergence of microplates, and then disintegra......

The high-precision GPS data observed from the northeast margin of the Qinghai-Xizang (Tibet) block and the Sichuan-Yunna......

A setup for the generation of arbitrary vector beams is proposed. The setup mainly consists of a spatial light modulator......

The basic structure of epicyclical gear transmission with inner teeth of single-ring, double-ring, three-ring and four-......

BACKGROUND: Previous studies on integration mechanisms of visual and vestibular information in the central nervous syste......

To gain a better understanding of thixoforging for the Al2O3-37%Al composite,its mechanical behavior in the pseudo-semi-......

Strip-like Fe Co films were patterned by a traditional lithograph process from intrinsically isotropic continuous Fe Co ......

A single channel measurement system for brain MIT has been built. The system is composed of an exciting source unit,a d......

Fluorescence emission spectra, FTIR spectra, zeta potential measurements, and ab initio quantum calculation are used to ......

Frozen shoulder is a common illness en-countered in orthopedic clinics.Because ofpain and disturbance of function of th......

The coupling effect among the flow of fluid film,the frictional heat of fluid film and the thermal de- formation of seal......

Thrust and nappe tectonics have affected the eastern Jiaodong Peninsula, the easternmost terminal of the Sulu Ultra-high......

In order to elucidate the broadband noise of fan,the numerical simulation of fan operating at two different rotational s......

The design solutions for breadth cam mechanism was presented. The main topics of the shape design for breadth cam was to......

Geometries of nine conformers of 3-methyl-3-penten-2-one have been optimized by ab initio method using both of ST0-3G a......

Friction stir welding achieves the weld in solid phase by locally introducing frictional heating and plastic flow arisin......

An excited experiment system of 20# steel pipe was established with oil cylinder, 20# steel pipe, frequency converter, p......

The nanostructured zirconia coatings were deposited by atmospherically plasma spraying. Scanning electron microscopy (SE......

The high shear agitation device was first adopted for gasoline desulfurization by ionic liquids. The effect of benzylimi......

A mathematical model of the centrifugal filling process was established. The calculated results show that the centrifuga......

Quartz rate sensors(QRS) made out of one single piece of quartz crystal are inertial devices which can be used for gener......

For the purpose of detecting the cavitation of centrifugal pump onsite and real time,the vibration signals on varied ope......

The deposition of copper selenide(CuSe)thin films was carried out using liquid phase chemical bath deposition process at......

Centrifugal extractor has the advantages such as high efficiency for mass transfer and successfully solving the resolven......

For n+~(238)U inelastic scattering cross section, there exist discrepancies among the available evaluations in various ......

This paper reports the resolution of racemic gossypol to optically active enantiomery by condensationof (±) gossypol w......

Independent of Indochina extrusion, the South China Sea experienced a process from passive continental rifting to margin......

On the basis of the theoretical research results by the author and the literature published up to date, the analysis and......

When the initial frequencies and chirp rates of multi-component linear frequency modulation (LFM or chirp) signals are c......

Most low-resolution radar systems, especially ground surveillance radar systems, work at relatively low pulse repeat fre......

High-power polarization-division-multiplexing (PDM) systems or functional modules, such as self-phase-modulation (SPM)-b......

Signals with sinusoidal frequency modulation(FM)are the general form of micro-Doppler signals in radar echoes from targe......

We study the steady-state entanglement and heat current of two coupled qubits, in which two qubits are connected with tw......

...

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

在摩擦焊接过程中的热效应导致的高模量使铝合金容易变形、强度降低.对船用异种铝合金进行了搅拌摩擦焊接.确定5052-O和6061-T6铝......

AIM: To investigate the frequency, etiology, and current management strategies for diarrhea in newb. METHODS: Retrospect......

通过线阵式光纤光谱仪测量N2^＋第一负带系（B^2∑→x^2∑）的（0，0）带振转谱线和N2的第二正带系（C^П→B^3П6）的顺序带组，分别利用玻尔兹曼图......

影响滚筒精选机分选质量的因素很多。首先,介绍了滚筒精选机的基本结构与工作原理,然后分析了一些结构方面的影响因素,并通过对工......

为了检测带有俯仰轴的机床精度,基于激光陀螺对角度和角速度的敏感性及其高精度的特点,提出了一种以激光陀螺为主体的检测方法,阐......

作者发明了一种高效制造球形氨合成催化剂的新方法。研究结果表明，采用固定造粒喷头和旋转造粒喷头直接喷洒成球工艺制造球形氨合成......

黏度是淀粉最重的流变性质,是淀粉重的性能指标。以某公司2015年、2016年生产的不同批次红薯淀粉黏度测定值为数据材料,论述了不同......

利用量子化学中Hartree-Fock模型计算并讨论了氨基酸、碱基分子的偶极矩、转动频率、极化率等,结果表明氨基酸偶极矩的相对大小与......