The specimens are loaded for a defined period of time under creep condition with defined temperature,after which the craze densities are measured with an optical microscope.
实验采用显微镜对PMMA———有机玻璃的变截面试件在不同时间的蠕变条件下的银纹损伤进行实验后观测,将银纹所占的面积和所取图象视场占的总面积的比值视为银纹密度D,通过对银纹密度的测量得到银纹损伤随时间和应力的变化规律。
The existence and characters of crazes were proved and the compensating mechanism of crazes was put forward.
对双层结构变燃速发射药微观结构进行了研究,讨论了银纹的存在及其特征性,提出了银纹的作用机理。
In the view of that the craze is a manner of nonli\|near deformation of polymers, a series of experiments on the stress induced craze and craze damage in the crack tip of modified polypro\|pylene were made by using Moir technique.
本文考虑了改性聚丙烯 (PP)材料的线粘弹特性 ,基于银纹是聚合物材料的一种非线性变形方式 ,对改性PP材料裂尖应力银纹损伤进行实验研究。
The interfacial debonding, crazing and shear yielding are analysed when the interaction among the muIti-particle is taken into account.
定性地分析了产生界面脱粘、银纹及剪切屈服等损伤破坏形式的力学条件，并把计算结果与具体实验做了比较，取得了较好的一致性。
The entire procedures of the crazing induction-formation-destroy of the PVC/MBS mixtures under stretching stress were observed by SEM, and it was illustrated by the density determination and inmer structure of the crazing that the material had been left "empty ".
本文通过扫描电镜（ＳＥＭ）观察了ＰＶＣ／ＭＢＳ共混物银纹的发展和冲击断面形貌，并测定了银纹体的密度变化。
Transmission electron microscope(TEM) showed that SAN component promoted the crazing and PVC the shear yielding.
透射电子显微镜分析表明,当共混物中SAN含量较多时,可以观察到银纹的存在;当共混物中PVC含量较多时,可以观察到剪切屈服的发生;扫描电子显微镜分析表明,当共混物中PVC含量较多时,断裂表面出现了大量的空洞,并伴随着基体的塑性流动;小角X射线散射仪分析表明,当共混物中SAN的含量较多时,散射强度的增加是银纹的贡献能力增大的结果。
At the same time, through the microscope test of surface, the effect on craze density by strain rate has been investigated as wel.
同时通过表面银纹显微镜观察实验 ,研究了应变率对银纹密度的影响。
The recent advances in the studies on craze fracture and its interaction with crack growth in loaded polymer solids have been reviewed in this paper.
结合国内外最新的研究进展 ,对承载高聚物中的银纹断裂及其与裂纹扩展的相互作用等问题作了较全面的总结和分析 ,并对今后的研究重点和趋势作了简要展望。
The Effects of Physical Ageing on Crazing of Polyphenylquinoxaline Films;
物理老化对聚苯基单醚喹噁啉薄膜银纹化的影响
Molecular Mechanics of Polymer Crazing;
聚合物银纹化的分子机理
Great energy must be consumed during craze initiation, growth and fracture, thus crazing is very important for polymer toughening design.
银纹化是脆性高聚物的一种典型的非线性变形方式。
Example shows that the craze damage leads to the increasing of the size of plastic region.
在非晶态高聚物裂端塑性区引入银纹损伤，提出了一个修正的Ｄｕｇｄａｌｅ模型，并由它确定塑性区的大小，算例表明，银纹损伤导致了塑性区深度的增加。
autographa california
苜蓿银纹夜蛾，苜蓿Y纹夜蛾，苜蓿尺蠖
autographa california nuclear polyhedrosis virus
苜蓿银纹夜蛾核型多角体病毒
Research on Time-Temperature-Stress Superposition Principle of PMMA's Crazing Damage;
PMMA银纹损伤时—温—应力等效研究
Research on NOnlinear Bahavior of PMMA's Crazing Damage;
PMMA银纹破坏的非线性力学行为研究
autographa california multiple nuclear polyhedrosis virus
苜蓿银纹夜蛾多（核壳体）核型多角体病毒
Research on Rheological Fracture and Damage of Polymethyl Methacrylate;
有机玻璃材料流变断裂与银纹损伤研究
(heraldry) arrows flighted argent.
（纹章学）“飞翔的银箭标记”。
Lian Toilet Box with Needle-incised Design from a Han Tomb at Yinqueshan
银雀山汉墓针划纹奁
Still carve the detailed line the silver pattern, but can't carve the gold and silver scene completely, the image demonstrates the petal.
银花纹面还雕刻细纹，但不能刻透金银片，形象表现出花瓣。
silvery-bodied with dark markings and tiny barbels.
有暗斑纹和细触须的银白色鱼。
Her face is wrinkled, and her hair has turned silver white.
她满脸皱纹，头发变成了银白色。
a metal tincture used in heraldry to give a silvery appearance.
使金属纹章具有银色外表的色彩。
A silver bracelet with some intricate scrollwork .clung to his right wrist.
右腕有一只花纹细致的银手镯。
Study on Quality and Fingerprint of Ginkgo;
银杏药材的质量及其指纹图谱的研究
To Establish Fingerprint Chromatograph of Honeysuckle and Salvia Miltiorrhiza Bge Flower;
金银花、丹参花的GC和HPLC指纹图谱构建
HPLC-ELSD Fingerprints of Yinhuang preparations
银黄制剂的HPLC-ELSD指纹图谱研究
Primary Study on the Extraction Technology and Fingerprint of Lonicerae and Forsythiae Powder
银翘散提取工艺及指纹图谱初步研究
Comparison on HPLC fingerprint profiles of Lonicera japonica bud obtained by various dryness techniques
金银花不同干燥技术HPLC指纹图谱研究