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- Keywords frangible surrounding rock;high field stress;united support;numerical analysis; 破碎围岩;高地压;联合支护;数值分析;
- high field stress 高地应力
- Yin Yi,Sun Jing,Tu Demin.A study on the high field conduction of LDPE after being aged by electrical stress[J].Journal of Applied Sciences,2000,18(4):353-358(in Chinese). [18]尹毅;孙晶;屠德民.;电老化聚乙烯强场电导的研究[J]
- The phonon field and phason field stress intensity factors and stress distribution at the crack tips are also given. 进一步可以求得裂纹尖端的声子场和相位子场的应力强度因子,由这些应力强度因子求解了裂尖处的声子场和相位子场的应力分布。
- If the stock price increases, reduced turnover, unless Makers Menu, and it is an ill omen, early high field. 如果股价上涨,成交量反而减少,除非是庄家控盘,否则是一个不祥之兆,应及早高场。
- A new method to identify the field stress of natural Q2 loess using curves of CT-number versus deviatoric stress or deviatoric strain was suggested. 提出利用CT数随偏应变或偏应力的关系确定屈服应力的新方法。
- The trap concentration and tunnel conductance in aluminum anode oxidized films under high field. 高压铝阳极氧化膜的陷阱浓度与隧穿导电。
- In addition, the dependence of BTI on channel length is extensively investigated under constant voltage and field stress. 另一方面，负偏压温度不稳定性受应力之影响而产生劣化现象。
- The farmers turned the sterile land into high fields. 农民们把不毛之地变成了高产田。
- Meanwhile, through experimental study and field stress measuring & testing, the characteristics of material and the mechanical performance characteristics of the bulge zo... 同时本文通过试验研究及现场应力测试,归纳出变换炉鼓包区域的材料及力学性能特征。
- Objective Using high field MR system to find if the result of ~1H MR spectroscopy (MRS)could be influenced by contrast agent. 目的用高场 MR 仪研究对比剂是否会影响氢质子 MR 波谱(~1H-MRS)的结果。
- Methods:148 intracranial hemorrhages were examinated by echo plannar imaging echo field echo T_2*WI (EPI-FE) sequence of high field MR. 方法:收集有明确发病时间的脑内血肿病人共148例,使用EPI-FE-T2WI序列进行头部扫描。
- Other syndics have Chinese Director Huo Jianqi, the Japanese actress wing celtis phumy, screenwriter high field Hongzhi and so on. 其他评审员则有中国导演霍建起、日本女演员檀富美、编剧高田弘治等。
- It turns out that the peaks of those protons adjaecnt to the molecular dipolar center shifi to high field on both salt forming and H-D exchanging. 成盐效应和D_2O交换均使距分子偶级矩较近的质子化学位移向高场移动.
- A calling algorithm for the scene sheltered from the high field and an efficient evaluation algorithm for node are also put forward. 算法中还提供了对视野区内背对观察者的场景进行剔除的方法和一种有效的网格评价算法。
- Objective:To evaluate the value of the preoperative T staging of laryngeal and hypopharyngeal cancers by MRI at high field strength(1.5T). 目的：评价高场MRI（1.;5T）在喉、下咽癌术前分期中的价值。
- The triaxial unloading creep tests on soft clay in Shanghai is described;and the unloading stress path is designed to be close to the field stress path of the soil in the bottom of foundation pit. 利用三轴流变试验仪，模拟基坑开挖时坑底土体的应力路径，进行卸载流变试验，并提出一个五元件模型对试验结果进行模拟。
- In this application, high field electrostrictive strains of barium titanate/polyurethane elastomer composite materials are measured. 采用该方法对高电场作用下钛酸钡／聚氨酯复合高分子材料的电致伸缩性能进行了测量。
- Appropriate b value (b=100), thickness (2mm), brain coils, FOV, TR, deep anaesthetized and big NEX are very important in DWI scanning to get high quality imaging on high field MR. 在高场强磁共振中,头部线圈、b值10 0、层厚2mm、适中的FOV与TR值以及深度麻醉、较大NEX等能获得较高质量的DWI图像。
- High winds put great stress on the structure. 大风作用于该建筑物上而产生巨大的应力。
