查询词典 spall

Theoretical prediction and empirical determination of spall strength are discussed.

讨论了层裂强度的理论预估及经验确定。

By the experiment and analysis, at the same shock pressure, the spall strength will increase with the strain rate, and it will decrease with the increasing thickness of samples.

通过实验与分析可知，在相同冲击压力下，层裂强度随拉伸应变率的增长而增长，随样品厚度的增加而减小。

Two spall planes were observed in the soft recovered sample for the high stress triangular wave experiment.

在经过高应力三角形波实验的软回收样品上，发现了两个层裂面。

Thermal stress resulted from thermal shock such as rapid cooling was not a predominant factor causing concrete to spall.

骤冷导致瞬间有巨大的温度梯度和较大的热应力，但这并不是引起混凝土爆裂的主要原因。

Research on the local response of spall for underground structures under blast loads was based on suppose of semi-infinite thickness of underground structures in the past.

过去对地下结构震塌破坏的研究，往往是在假设地下结构为半无限厚的基础上进行的。

That hole was caused by spall blow-out.

那个洞就是被碎片打穿的。

The spall signal is measured in special by using pizoresistance system.

利用压阻测量系统，本文测定了推进剂中的层裂信号，并采用上述模型对实验结果进行了数值模拟。

A new simplified ductile spall model is presented using the redefined damage and the strength function given by Cochran-Banner.

重新定义损伤、应用Cochran-Banner模型中的强度函数，提出了一种新的简化延性层裂模型。

For triangular shock pulse, there can be several regions of relatively high tension and variable spall planes.

就样品中呈现三角形脉冲的平板冲击实验而言，样品中可以存在一些高拉伸应力区域并发生多次层裂。

A void coalescence-based spall model proposed by Chen et al was used to simulate these experiments numerically.

采用基于空穴聚集的层裂模型，数值模拟这些平板撞击致层裂实验。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。