试验表明,颗粒破坏的数量随着剪切变形和侧限压力的增大而增多,与试样的初始密度却无直接关系。
It was found that the amount of the grains broke increased with the shear strain and confining pressure, independent of the initial density of the specimen.
颗粒破碎是引起粗粒料湿化变形的重要因素,有必要对其进行深入研究。
Breakage is an important factor to influence wetting deformation of coarse-grained materials; and farther study is necessary.
利用人工钙质砂和三轴剪切试验手段,就颗粒破碎及其对钙质砂变形和强度特性的影响进行分析研究。
The influence of particle breakage on deformation and strength properties of calcareous sands was investigated using artificial calcareous sands and triaxial testing.
流变变形被认为是颗粒间固体胶结接触面的破坏过程的宏观表现。
The creep deformation is seen as the macroscopic consequence of the progressive destruction of cemented solid contact surface between grains.
橡胶颗粒水泥混凝土由于具有较好的变形能力和韧性等优点,在道路工程中得到越来越多的重视。
The rubber cement concrete has got more and more attention in the road engineering because of its good ability of deformation and toughness.
高应力作用下堆石料的颗粒破碎严重,其对堆石体变形的影响不可忽视。
Particle breakage of rockfill materials is serious under high pressure, and its influence on deformation of rockfill cannot be ignored.
得到了该类双曲型斗壳的应力变形分布、率和振型模态,并对颗粒料仓斗壳的外形曲线进行了优化。
The distribution stress and deformation, frequency and mode shape is acquired the outline optimization for the circum-shell of Compounding funnel is also studied.
综述了在室温强塑性变形过程中发现的新现象:第二相颗粒的回溶,合金基体重新形成过饱和固溶体。
A new phenomenon of re-dissolution of second phases and re-formation of supersaturate solid solution found in processes of severe plastic deformation was summarized.
新型承压堵漏剂在传统桥接堵漏单纯架桥、填充的基础上,引入具有较强吸水弹塑变形功能的聚合物弹性颗粒sd - 1。
Polymer elastic granule SD-1, has great hydroscopicity, was introduced to fill and squeeze and to enhance plug intensity on the traditional techniques.
利用可视化孔喉模型观测凝胶颗粒在孔喉处的变形和破碎过程;
The process of deformation and breakup of the gel particles at pore throat was observed through visual pore throat model;
细颗粒砂土比粗颗粒砂土具有更大的变形量。
Sandy soil with fine grains has more deformation than sandy soil with coarse grains.
实验和野外观测表明颗粒破碎显著影响高孔隙岩石的变形特征。
Laboratory and field observations show that grain crush can prominently affect deformation of porous rocks.
碰撞颗粒传热是基于球体接触时的弹性变形的分析得到的。
The heat transfer between the particle-particle collisions is analyzed based on the elastic deformation of the spheres during their contact.
韧性变形岩石中动态重结晶石英颗粒边界形态具有自相似性,表现出分形特征。
Grain shapes of dynamically recrystallized quartz in ductile deformed rocks, characterized by fractal dimension, are statistically self_similar.
湿化变形的基本规律可以根据湿化颗粒破碎规律加以解释。
It is found that the wetting deformation behaviour can be explained from the viewpoint of the wetting grain breakage.
在其它产品中如蛋糕和白面包,它们含水量较高,约96%的小麦淀粉颗粒被胶凝而且有许多变形。
In other products, such as angel food cake and white bread, which are higher in moisture, about 96 % of the wheat starch granules are gelatinized and many become deformed.
本文探讨了热变形高铬铸钢中颗粒状碳化物的形成。
This paper deals with the granular carbides formation from hot deformation in high chromium cast steel.
高应力水平时堆石料的颗粒破碎对其强度和变形机制有重要影响。
The grain crushing of rockfill materials with high stress level has significant influence on its strength and deformation mechanisms.
结果:养阴通脑颗粒具有提高红细胞变形能力、降低全血粘度的作用,延长减压缺氧小鼠存活时间。
Results: YTG can increase the red cell deformation ability, decrease the blood viscosity and prolong the survival time of the mouse with decompression hypoxia.
镀层中只有少部分锌粉颗粒发生塑性变形,并且变形取向也无明显的规律。
Only a few zinc particles in the coating occurred plastic deformation with irregular orientation.
因此研究颗粒材料变形行为及其力学性质具有重要的工程实际价值。
Hence, the study of mechanical properties and responses of granular materials is valuable to engineering practice.
结果:养阴通脑颗粒具有提高红细胞变形能力、降低全血粘度的作用,延长减压缺氧小鼠存活时间。
Results: YTG can increase the red cell deformation ability, decrease the blood viscosity and prolong the survival time of the mo.
目的:探讨养阴通脑颗粒对脑缺血大鼠红细胞变形能力和小鼠减压缺氧耐力影响。
Objective: Explore the effects of YTG on red cells deformation ability of rat with cerebral ischemia and mouse's decompression hypoxia ability.
在微晶玻璃的生产中,微晶玻璃板在由玻璃颗粒烧结、晶化以后会出现板面变形的现象。
In the glass-ceramic production process, glass-ceramic plates often deformed after glass powder was sintered and crystallized.
针对低应力水平下钙质砂的颗粒破碎现象具有特殊性,分析了围压对钙质土颗粒破碎的影响,揭示其变形过程的力学机制;
Granule failure of calcareous sand is very special at low stress level. The effect of confining pressure on granule farlure is analyzed and its deformation mechanism discussed.
水琼脂和W_2A琼脂载片培养,可形成大量变形体;并可见其伸出伪足摄食其它微生物颗粒的习性。
When cultivated with water agar and W_2A agar on the slides, the invoculum of UBO formed a large number of myxamoeba which can extend the pseudopods that eat up other microbiological granules.
颗粒间接触用广义弹簧单元表示,相邻颗粒接触点的塑性变形用非线性弹簧表示。
Each particle was located by a node at its centre and the plastic indentation of the contacts between neighboring particles was represented by a non-linear spring.
用熔体发泡法制备了碳化硅颗粒增强泡沫铝样品,分析了碳化硅增强泡沫铝在准静态压缩条件下的变形行为。
SiC particle-reinforced aluminum foams were produced by melt foaming process, and their deforming activity under quasi-statistic pressing was analysised.
随着变形量的增加,组织形貌发生显著变化,钼颗粒沿轴向被拉长,粘结相铜也被拉成长条状;
First, Mo-Cu or Mo-Mo binder interface separation was happened, then molybdenum particle began to rupture.
对于高堆石坝而言,在高应力场作用下堆石颗粒将明显破碎,从而导致坝体变形率增加,因此,在高坝数值计算中必须考虑颗粒破碎的影响。
For high rockfill DAMS, the grain crushing in high stress field may raise the deformation rate of dam body and should be considered in numerical calculation.
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