查询词典 total differential

To investigate the dynamic stability of a two-degree-of-freedom manipulator as a system,differential equations of motion for this system were established on the basis of the Lagrange equation,and perturbed differential equations with period coefficients were derived for the period motion of this system by applying the perturbance theory.

为了研究两自由度机械手系统的动力学稳定性，基于拉格朗日方程给出了它的运动微分方程，并用扰动理论确定系统周期运动具有周期系数的扰动微分方程；根据F loquet理论对该系统扰动微分方程的平衡点的稳定性进行了分析，并用数值方法研究了平衡点失稳后的倍周期分岔过程。

Gene differential expression of rice under photoinhibition was studied by means of mRNA differential display.

本文应用mRNA差异显示技术研究水稻光抑制条件下的基因差异表达，筛选并克隆了3个差异表达片段，编号为Z8、Z9和Z10。

The fracture reasons of high strength PC steel wire are analyzed, it's considered that center segregation, central cavitation, poriness and inclusion are the metallurgical reasons which lead to the facture of PC steel wire and in the rolling process, differential coping quality, microcrack caused by surface defect, abnormal microstructure caused by burnt and improper cooling velocity, the ears on the head of the wire, overlapping of the wire rod itself are the main reasons which lead to the facture of PC steel wire. At the same time, inappropriate pickling, differential phosphorization quality, the bad heat treatment quality, the generation of crack in the improper drawing and transverse crack caused by abnormal laying of the drawing die are also the reasons of the cracking of PC wire.

对高强度PC钢丝断裂原因进行了分析，认为连铸坯的中心偏析、中心缩孔、疏松和夹杂是导致PC钢丝断裂的冶金原因；轧制过程中，较差的修磨质量、表面缺陷导致的微裂纹，过烧以及不适当的冷却速度导致的非正常显微组织，盘条头部的耳子、盘条本身折叠是导致PC钢丝断裂的主要原因；同时，不恰当的酸洗、较差的磷化及热处理质量、不适当拉丝裂纹的产生、拉拔模具安放不正导致的横裂也是PC钢丝断裂的原因。

The Jacobi pseudospectral methods are applied to numericalsolutions of singular differential equations,differential equations in infinite intervals andin disc.

事实上，通过适当的变量代换，我们可把无界区域问题转化成某些特定的退化系数的有界区域上的奇异问题。

Letting the commonly used double-staged 2K-H typed differential mechanism be combined with the overrunning clutch this method achieved the operation without differential while the settlings were on sedimentation .

这种方法将常用双级2K-H型差速器与超越离合器结合在一起，在沉积物沉降时实现无差速运行，从而避免了相对运动所带来的不良效果。

Letting the commonly used double-staged 2K-H typed differential mechanism be combined with the overrunning clutch this method achieved the operation without differential while the settlings were on sedimentation.

E书简介：摘要：传统卧式螺旋离心机在物料沉降分离时，对转鼓与螺旋输料器的相对运动所产生的搅动现象，提出一种差速传动机构改进方法。

Letting the commonly used double-staged 2K-H typed differential mechanism be combined with the overrunning clutch this method achieved the operation without differential while the settlings were on sedimentation.

传统卧式螺旋离心机在物料沉降分离时，对转鼓与螺旋输料器的相对运动所产生的搅动现象，提出一种差速传动机构改进方法。

The determination of IL-6 level of serum and urine may be used as one of the important indexes for differential diagnosis of acute rejection from CsA toxicosis and ATN.The determination of IL-6 level of serum and urine may also be useful for differential diagnosis of acute rejection from infection.

血、尿IL-6水平的升高可作为判断肾移植急性排斥的指标之一；也可作为鉴别急性排斥反应与CsA中毒、ATN的重要参考指标；对鉴别急性排斥反应和感染具一定的参考价值。

And the differential of the undurable consume products is higher than that of the durable comsume products; The differential of products in investment is higher than in intermediate industry.

所以，企业在实施差异化战略时，必须对消费者、竞争对手以及产品现状等产业环境进行分析，以便作出正确的战略决策。

The sliding wedge, behind the retaining wall of not reaching the limit displacement, can be divided into numerous differential slices paralleling to the sliding plane. Then, with the force analysis of these differential slices and the relationship mentioned above, equations can be set up and the inclination of the sliding plane is also derived. Thereby, the calculation formula of the nonlimit active earth pressure is obtained.

对于未达到极限位移的挡土墙，结合已取得的位移与摩擦角之间的关系，采用与滑裂面相平行的微条对墙后滑动楔体进行划分，对微条进行受力分析，建立平衡方程，推导了滑裂面的倾角，从而得到非极限主动土压力计算公式。

He's a pretty westernised kind of guy.

他是一个非常西化的人。

National spirit is the moral kingpin for a nation to realize common ideal and goal.

一、中华民族精神的基本内涵党的十六大报告指出：在五千多年的发展中，中华民族形成了以爱国主义为核心的团结统一、爱好和平、勤劳勇敢、自强不息的伟大民族精神。