微观研究

Microstructures of concrete, into which sodium sulfate was mixed, were studied intuitively by scanning electron microscope.

用电子显微镜对硫酸钠混凝土试件早期亚微观结构进行较为直观的研究分析。

The framework of most solid-state physics theory is the Schrdinger formulation of non-relativistic quantum mechanics .

固体物理学是研究固体物质的物理性质、微观结构、构成物质的各种粒子的运动形态，及其相互关系的科学。

The experimental results show that the melting point of Sn-3Ag-1.5Sb-xCu solder decreases with Cu addition and the solder with 1.0 wt-%Cu is a narrower mushy range between solidus and liquidus.

本研究在探讨对Sn-3Ag-1.5Sb无铅焊料中添加0~1.5wt_%Cu对其焊点於焊接后与高温热储存后的微观组织及拉伸强度的影响。

And we study the effects of heat-treated process on the aerogels' density, specific area, microstructure, hydrophobic property and so on.

研究了热处理对气凝胶密度、比表面、微观结构和疏水性等的影响。

The phase assemblage, microstructure and elemental distribution were researched by X-ray diffractometer, scanning electron microscopy with energy dispersive spectrometer. The mechanism of solidification neodymium in assorted minerals of zirconolite and sphene was probed into.

利用X射线衍射、扫描电镜／能谱仪研究其矿相组成、微观结构和元素分布，探讨Nd在钙钦错石和捐石组合矿物固化体中的固溶机制。

In five independent properties, spherality index and flat index can describe the three-dimensional characters of coarse aggregates and have stronge relationship with the marco performance.

采用本文所述的图象处理方法以及所开发的指标，可以很好的对沥青混合料微观结构进行分析和研究，表达出集料颗粒的形状特征。

A theoretical computation of a series of sextupole correctors to correct spherical aberration in around lens is presented.

为更进一步研究物质的微观结构，就需要分辨本领更高的电子显微镜。

It's importance is to build up a bridge between mechanics and statistical physics.

对于少体系统来讲，它的动力学相对简单，对它的研究有利于我们看清统计的微观机制。

3By illustrating the basic TCM theory of branch and root, asthenia and sthenia, asthenia accompanied with sthenia on IgA nephropathy from microcosmic and macroscopical point of view by handling the diagnostic method of TCM syndromes with fuzzy ISODATA and modularization thoughts to discuss the distribution and changing laws of TCM syndromes in IgA nephropathy.

3运用基于模块化思维的模糊ISODATA中医证候诊断方法从客观的微观、宏观方面进行本病中医证候的标本虚实、虚实夹杂之证的基本内容的研究，探讨IgA肾病的中医证候的分布和变化规律。

According to the concept of strain energy of cracked materials, the orientation tensor of crack was defined. Considering the crack-closing and friction between crack surface under compression, The damage tensor, damage strain and effective elastic modulus were formulated. A method for discrete description of damage mechanism was given, and the evolution equation of discrete orientation density of crack was obtained. The relationship of micromechanism and the macro-representation of concrete failure were studied.

从含裂纹材料的变形能出发，引出了裂纹的方位张量；在考虑裂纹受压闭合与滑动摩擦的基础上，给出了损伤张量、损伤应变和有效弹性系数的表达式，在损伤机构离散化方法的基础上，给出了方位密度的演化方程；将上述损伤理论应用于混凝土的损伤分析，研究了混凝土破坏的微观机制与宏观表现的关系及Griffith准则和Mohr-Coulomb准则的相似性问题，对修正的Griffith准则进行了改进。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐