This is because even when we pull or we hoe, anything we do like that, sometimes we're breaking the plant off and we're leaving the root in the ground.

Studies on breaking plant cell membrances to yields extracting plant effective components

细胞破膜对提取植物有效成分得率影响的研究

Under laboratory conditions, after calcined at the temperature of 700 ℃, red-mud is mixed with cement to produce a special kind of concrete, with which the standard concrete is compared in terms of breaking and stress intensity.

在实验室条件下，对赤泥进行700℃的煅烧处理，并利用其制取水泥赤泥混凝土，与基准混凝土的抗折、抗压强度进行对比。

The results showed that the critical fracture load of passive films reduced and the displacement excursion decreased with increasing the concentration of hydrogen. The reduction of radial breaking stress and elastic modulus of passive films is attributed to that hydrogen changes the structure of passive films.

结果表明：随氢含量的增加，不锈钢钝化膜的临界破裂载荷降低，位移偏移量减小，氢导致钝化膜的径向抗拉强度（应力）和弹性模量降低，钝化膜随氢含量的增加而逐渐软化。

It was found that the breaking stress decreased with decrease of molecular weight and degree of macromolecular orientation. The exPeriment show that the macromolecular orientation degree 0f the new material varies with silk reeling pmeesses;

对于采用不同缫制加工工艺制得的各种真丝新材料，其材料中大分子取向程度亦不相同。

The influence of thermal oxygen on the tensile yield stress, tensile breaking stress, impact strength, elongation at break, melt point and the heat of melting of PF Nylon 1212 is investigated.

通过热氧老化试验，考察了热氧对尼龙1212拉伸屈服应力、拉伸断裂应力、冲击强度、断裂伸长率、熔点、熔融热的影响。

The ratio of the breaking stress of a structure to the estimated maximum stress in ordinary use. The Effect of Maximal Pressure and Roll-gap on Energy Consumption of Roller Press

间断压力同最大压力的比率。最大压力与辊隙对辊压机能耗的影响

The results showed that tensile strength, tensile yield stress and tensile breaking stress were increased with the increase of bore distance;

结果表明，随筛板孔距的增加，其拉伸强度、拉伸屈服应力及拉伸断裂应力均提高；

Conventional yield stress, breaking stress and breaking extensibility of the blends with different proportions were also measured.

测定了共混物的屈服应力、断裂应力和断裂伸长率。

It was found that the breaking stress decreased with decrease of molecular weight and degree of macromolecular orientation.

研究结果表明，本文工艺条件下研制的PDS缝线在体外降解过程中随着分子量和大分子取向程度下降，力学性能明显下降，4星期时强度基本消失。

Based on the studies above, the prediction models of breaking stress and breaking elongation are explored primarily.

基于上述对浆纱耐磨性和浆纱结构的研究，对浆纱断裂强力和断裂伸长率预测模型进行了初步的探索和研究。

Discussion on breaking test of self-energy arc-extinguishing chamber of GCB

GCB自能式灭弧室开断试验的探讨

Discusses the feasibility of current-limiting fuse breaking test with oscillating-loop installation.

介绍了用振荡回路作限流熔断器开断能力试验的可行性。

The location analysis results of the pencil lead breaking test on thermal barrier coating showed the accuracy of this method.

对热障涂层进行铅笔芯断裂的定位分析验证了该方法的准确性。

Breaking Test of Critical Arcing Time of the SF_6 Circuit Breaker with Constant Contact Travel

SF6断路器定开距灭弧室临界燃弧时间的开断试验与分析

Capacity current breaking test

电容性电流开断试验

Anomaly shape is consistent well with the numerical simulation of the rock-breaking test.

异常形态与岩石破裂实验数值模拟结果有较好的一致性。

Discussion on Asymmetrical Short-circuit Fault Breaking Test by Circuit-breaker

三相非对称故障开断试验探讨

Vertical two column press for breaking test of material

立式双柱材料折断试验机

Research on granite cutting and breaking test under conditions of high temperature and high pressure

高温高压条件下花岗岩切削破碎试验研究

Based on the study and comparison made to the structure and closing time of power breakoff time delay relays and contactors, the paper analyses the inadequacies of the original energy exhausting braking control circuit, and some improvements have been made.

通过对断电延时时间继电器和接触器的结构及吸合时间的研究与比较，分析了原能耗制动控制线路的不足，并且进行了改进。