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The COVID-19 pandemic is sweeping the globe， constituting a major test to building a community with a shared future for m......
在条件平差、间接平差、附有约束条件的间接平差模型的基础之上,对附有约束条件的间接平差函数模型进行了改进,提出了附有约束条件......
根据《C^++语言》教学经验，针对学生难以理解的几个方面，提出了深入浅出的教学方法，澄清了某些模糊概念，指出了一些书籍中存在的问题，力......
拓展虚内键(Augmented virtual internal bond,AVIB)是基于虚内键理论的一种多尺度本构模型,它同时考虑了微观虚内键的法向和切向......
Magma underplating and Hannuoba present crust-mantle transitional zone composition: Xenolith petrolo
On the basis of mineral assemblage, mineralogy, petrology, and major, trace elemental and isotopic geochemistry of the u......
THE APPLICATION OF THE LAW OF MASS ACTION IN COMBINATION WITH THE COEXISTENCE THEORY OF SLAG STRUCTU
It is shown by the the law of mass action in combination with the coexistence theory of slag structure that KMn n =NMno......
The O-line model is usually applied to precipitation crystallography.Its application to investigation of martensite crys......
Based on several typical domestic and foreign driving cycles, the energy usage efficiency of the EVs-XL 2000 type electr......
Neutral C–H bond vs. electron pair of N(sp~2): A binding site effect study of macrocycle anion recep
To evaluate the effect of neutral C–H bond or electron pair of nitrogen atom with sp2hybridization(N(sp2)) involving in......
The relationship between Solidago canadensis L. invasion and soil microbial communities was studied across the invasive ......
Hybrid density functional study on lattice vibration,thermodynamic properties,and chemical bonding o
Hybrid density functional theory is employed to systematically investigate the structural,magnetic,vibrational,thermodyn......
针对水电站运行特点,以广西三岔水电站为例,基于水电站经济运行准则,介绍了一种制定水电站厂内经济运行采用的数学模型与递推优选......
The real-time second harmonic generation was employed to investigate the[2+2]photodimerization of styrylquinoline(SQ) de......
Avery wide range of the C_3~=/C_2~= ratio from 0.72 to 7.56 with high C_2~= + C_3~= selectivity of around 66%in the meth......
The sorption behavior and mechanism of a novel chelate resin, diglycolamidic acid resin (DAAR), for Sm(III) were investi......
A new formulation of the Lindemann mechanism of unimolecular reactions in gaseous phase is presented,without the use of ......
本试验以单、双辊装置激冷Al—Cu系合金,研究了冷速与组织的关系,探讨了把竞争生长理论运用到高速激冷中去的可能性,并把定向凝固......
简单介绍本文叙述根据地震反射波时距曲线,利用理论时距曲线量板测定速度的方法。说明用本方法整理单独的、相遇的及时距曲线族的......
本文用FE3C8500程序计算了渗碳体的结构振幅,据此,说明了渗碳体的结构消光条件。通过实例,指出了在渗碳体电子衍射谱的指数标定中......
Taking partially coherent cosh-Gaussian(ChG) beams as an example of more general partially coherent beams,we have studie......
通过对层流平衡相对论电子的运动微分方程组进行数值求解,得到正则角动量在pθ=0,pθ=const.和pθ∝r2三种情况下,束流的传输特性.......
对扩散提出了两个假说:(a)克服表面张力将水束或水带从侧向碎裂成水滴,(b)克服粘滞剪力。从张力和剪力原理分别推导出下列两个公式......
In the high-performance IC design with increasing design complexity,it is a very important design content to efficiently......
A porosity inversion method is introduced. The comparison of this porosity inversion method withtraditional methods is m......
According to the calculation results of the intrapair and interpair correlation energy for the title systems, it has bee......
The formation of alkali and alkaline-earth metal picrate complexes with cyclo(Pro-Gly)n ionophores (1, n = 3; 2, n = 4) ......
The seismicity in the territory of China, a seismotectonically complicated region, has been examined by using some compl......
With acceleration of economic globalization,ecological problem becomes increasingly prominent,and forestry and forest is......
As for Cartesian regulation of robot manipulators with uncertain Jacobian matrix,an anti-windup scheme of robust nonline......
There are some well-known theories about the origin of the language. The origin of the language is very mysterious. The ......
本文利用弹性复变方法和积分方程理论,讨论两个不同材料正交各向异性弹性长条的焊接问题,给出一种新的算法,改进通常单一的积分变......
In this paper, the computational results of a gas-particle two phase flow in a bend with a rectangular cross-section is ......
The conventional Boussinesq model is extended to the third order in dispersion and nonlinearity. The new equations are s......
THEORETICAL,NUMERICAL AND EXPERIMENTAL STUDY OF WATER HAMMER IN PIPE SYSTEM WITH COLUMN SURGE CHAMBE
A new kind of governing equations for water hammer based on the elastic column theory was proposed and adopted to analys......
图像存储与传输系统在临床实践中已经得到广泛应用,但在高等院校医学影像实验教学中仍然未能普及.温州医学院附属第一医院自主开发......
医学研究生教育是综合性大学整体教育的重要组成部分，其培养质量受到社会诸多方面的关注，课程体系改革成为必然趋势。"三三制模块嵌......
气体在高炉内的功取决于三种能,即机械能、热能和化学位能。为了研究对高炉冶炼过程的影响,必须根据物理和化学的基本定律,用相同......
“固体通量法的验证”一文(以下简称“验证”)原发表于《给水排水》1992年第1期。笔者拜读此文后,发现该文中主要理论间相互矛盾,......
Structural transformation and rheological processes in bulk metallic glass Zr_(41)Ti_(14)Cu_(12.5)Ni
The temperature dependence of strain and strain rate of the Zr_(41)Ti_(14)Cu_(12.5)Ni_(10)Be_(22.5)(Vit1) bulk metallic ......
We present the micro-Raman study of curved Ge_xSi_ 1-x/Ge_ySi_ 1-y heterostructure, and found the strain of the curved t......
Element stiffness equation is very important in structural analysis,and directly influences the accuracy of the results.......
Simulation of Heat Transfer and Hydrodynamics over a Free Rotating Disk Using an Improved Radial Vel
The paper presents results of simulation of turbulent heat transfer and hydrodynamics over a free rotating disk using a......
Superconductivity was achieved in Ti-doped iron-arsenide compound Sr4Cr0.8Ti1.2O6Fe2As2 (abbreviated as Cr-FeAs-42622). ......
Flame temperature distribution is one of the most important characteristic parameters in combustion research. The emissi......
