查询词典 rigidity theorem

RESULTS: Following three approaches of lumbar interbody fusion, the stability of lumbar spine was significantly reduced, which was enhanced after bilateral pedicle screw fixation (torsion indexes were also increased). In addition, rigidity of the lumbar spine was enhanced.

结果：行3种单纯椎间融合后，腰椎的稳定性能明显下降，附加了双侧椎弓根螺钉固定后，腰椎的各项稳定性指标均增强，包括扭转力学指标也得到了很大增强，有效增加了腰椎的刚度。

This article simplely introduced torsion pendulum's parameters, and practial tested torsional rigidity of sliver s.

本文简单介绍了测量条子抗扭刚度的扭摆仪及其特点，并实际测量了几种常见条子的抗扭刚度。

The torsional rigidity, the maximum torque within 10 and its corresponding maximum torsion angle were recorded.

记录扭转刚度、10内的最大扭矩及所对应的最大扭角。

In addition to the strength and rigidity, the dynamic properties of machine tool spindle should be considered.

机床主轴的设计除了要考虑其强度和刚度外，尚须考虑其动态特性。

The tool post is mounted on a carriage, which in turn receives support from the way machined in the bed that ensure rigidity and freedom from vibrations.

工具岗位在支架登上，在床上从方式反过来得到支持用机器制造的保证从振动的坚硬和解放。

Even for complex shaped workpieces, need only a high rigidity tilting the table after the first armor you can complete all of the processing, and processing high precision surface location of each other, in the post-process stage can be implemented without an amendment assembly operations are the characteristics of multi-face machining.

即使是对于复杂形状工件的加工，也只需要在高刚性倾斜式工作台上一次装甲后就可以完成所有的加工，而且加工面相互位置的精度很高，在后工序阶段不用进行修正就可以实施装配作业也是多面加工机的特征。

The increasing in the rigidity of motor body and the improvement in the structure of suction and exhaust valve have also contributed to the reduction of mechanic noise.

。发动机的机械噪音也因发动机机体的刚度提高和进排气阀的结构改进而得到改善。

On the basis of the former researches and taking into account the practice of our country, this paper take the low period repeat loading experiment for three rigid conjunction node of steel beam and concrete wall, researching their load-bearing capacity and earthquake resistance performance under the low period repeat loading action, the main content concentrate on the following aspects:(1) Analyzing the three joint's damage shape、hysteretic curve、change of rigidity、yielding load、limit load、damage load、durability、energy dissipation capacity、the strain of the key position and the moment transferring mechanism.(2) Comparing the joint's load-bearing capacity and earthquake resistance performance among the joints with different stud bolt diameter and different connection plate thickness, researching some factor's influence on the work performance of the joint such as the high and strong stud bolt specification、connection plate thickness .

本文在前人研究的基础上，结合我国的实际情况，对3个钢梁-混凝土墙刚接节点试件进行了低周反复荷载试验，对其在低周反复荷载作用下的承载力和抗震性能进行了研究，内容主要集中在以下几个方面：(1)对3个节点试件在低周反复荷载作用下的破坏形态、滞回曲线特性、刚度变化、屈服荷载、极限荷载、破坏荷载、延性性能、耗能能力、关键部位的应变分布情况及节点核心区的受力情况进行了试验研究和理论分析；(2)比较了不同螺栓规格和不同连接板厚度的节点试件的承载力和抗震性能，研究了高强螺栓规格和连接板厚度这2个因素对节点工作性能的影响；(3)介绍了光纤光栅传感技术在土木工程领域中的应用研究现状及其基本原理；并通过对比试验，探讨了光纤光栅传感器用于土木工程检测的可行性及实现途径。

The invention is a method for designing and preparing binary reinforced damping magnesium alloy having medium rigidity, medium strength, high-medium damping and medium raw material cost, the prepared alloy is beneficial for balancing required elements in practical application, including optimized rigid, wide frequency band, wide strain amplitude, wide temperature zone, strength, enough high-temperature-resistance, creep resistance, toughness, price, anticorrosion treatment and heat processing, and is beneficial for solving the problems in industry, such as lacking of variety of damping magnesium base alloy, selecting and using of rare-earth resource or drawback of substitution.

设计和制备中等刚度、中等强度、上中等阻尼性能和中等原料成本的二元增强阻尼镁基合金的方法，得到的该合金有利于平衡优化刚度、宽频段、宽的应变振幅、宽温度区间、强度、足够耐高温、抗蠕变、韧性、价格、利于防腐处理和利于热加工等实际应用中需求的要素，利于解决工业上可供选择的阻尼镁基合金品种不多以及稀土资源选择利用或替代利用性不足的问题。

However, the torsion rigidity and aerodynamic stability of the steel truss stiffening girder usually does not meet the requirement of wind-resistance design.

但其扭转刚度以及气动稳定性能往往难以满足抗风要求。

Researches reveal that students who suffer from corporal punishment tend to resort to violence in their future life.

研究表明遭受过肉体惩罚的孩子倾向于在他们今后的人生中使用暴力。

Total sugar of sarcocarp and chlorophyll of pericarp increased firstly, and then decreased afterward along with altitude; Titratable acidity, ascorbicacid and anthocyanin of pericarp were increased along with altitude; The content of protein increased firstly and decreased afterward along with altitude; Carotenoid of pericarp were decreased along with altitude.

果肉总糖和果皮叶绿素含量随海拔高度升高先升高后降低；可滴定酸、维生素C和果皮花青苷含量均随海拔升高而升高；蛋白质在1720m处最大，1420m处最小；果皮类胡萝卜素随海拔升高而降低。