查询词典 fracture

Three point bending method is the most common one used to determine the fracture energy of concrete, for this method does not require very complicated testing machine.

在分析三点弯曲法测量混凝土断裂能误差来源的基础上，对试验机系统进行特殊设计，可以排除绝大多数误差来源。

A new X-ray diffraction topographic method was developed and used to study the fracture morphology and process in three point bending test of Mo single crystals.

本文提出一种新的X射线形貌法，并利用它观察三点弯曲Mo单晶的断口特征及其断裂过程。

According to the standard test method recommended by RILEM, a systematic study on the effect of age and strength on fracture energy of concrete is carried out. Notched beam specimens are adopted in three point bending test.

本文依据RILEM推荐的标准试验方法，针对龄期和强度对混凝土断裂能GF的影响采用三点弯切口梁试件进行了系统的试验研究。

X-ray diffraction was utilized in phase identification; scanning electron microscopy was used for the analysis of microstructure and fracture surface. Density, hardness and three point bending strengths were measured.

利用X射线衍射分析样品相组成，运用扫描电镜分析材料的显微组织和断口形貌，并对试样的密度、硬度和抗弯强度进行了测定。

By using elasto-plastic finite element calculation and three point bending test,the in-fluence of strength matching and crack depth on fracture properties are investigated.

利用弹塑性有限元计算和三点弯曲试验对不同裂纹深度、不同强度组配焊接接头试样的断裂性能进行了研究。

Results: In three point bending, maximal plate strain in the fracture model was lowest in group A(774.50±18.00με) and highest in group D(849.67±44.03με).

结果：在三点折弯实验中，D 组中骨折端的平均应变(849.67±44.03με)最大，A 组中骨折端的平均应变(774.50±18.00με)最小。

Point bending strength and fracture toughness of AGC at 1450℃ by fast or slow temperature elevation speed, while the three????

低速率升温至1400℃制备的AGC的三点弯曲强度显著低于其他三组的三点弯曲强度。

This flux in fracture system drawing by tectonic stress is a pressured pipe flow, and may be described using Bernoulli's equation according to fluid mechanics.

论证了地质流体因其性质和所处地质环境的不同，可划分为多孔介质中的渗流和较宽阔裂隙中的管流两种。

AIM: To evaluate the effects of simvastatin on femoral fracture healing in bilaterally ovariectomized rats.

目的：研究辛伐他汀对卵巢切除大鼠股骨干骨折愈合的作用。

This research observed the effects of acupuncture and moxibustion on bone biodynamics and bone morphometry in order to clear out the prevention to bone fracture.

本课题通过动物实验，研究了针灸对大鼠OP模型骨生物力学性能和骨组织形态计量学指标的影响，以观察针灸对绝经后OP症致骨折的预防作用。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。