查询词典 mechanics

The rock damage model and the damage-coupling model suited to analyze the whole process of water jet breaking rock were established with continuum damage mechanics and micro damage mechanics.

运用连续损伤力学和细观损伤力学理论，建立了适用于水射流破岩全过程分析的岩石损伤模型以及宏细观损伤的耦合模式。

objective to observe the protective effect of qiliqiangxin capsule in rabbit heart ventricle reconstitution of chronic heart failure.methods using the method of giving rabbit abdomen aorta half ligations to build the chronic heart failure model to observe qiliqiangxin capsule the effect to blood flow mechanics index,room wall thickness,heart exponent and heart ventricle reconstitution biochemistry index.results qiliqiangxin capsule could reduce effectively bp,lvsp,lvedp,t wave,improve room wall thickness and heart exponent,reduce angii and alt,all the paramenters ahd notable difference,composed to those of model group (p＜0.05,p＜0.01).conclusion qiliqiangxin capsule can improve the blood flow mechanics change of chronic heart failure rabbit,which has notable inhibitory action on heart ventricle reconstitution which originate from chronic heart failure.inhibition of ang ii,alt of immune nerve endocrine system may be a mechanism of qiliqiangxin capsule.

观察血流动力学、标志心室重构的室壁厚度及心脏指数及肾素―血管紧张素―醛固酮系统相关生化指标的变化。结果芪苈强心胶囊可有效降低血压、左室压、左室末期舒张压、t波，改善室壁厚度和心脏指数，降低血清血管紧张素ii及醛固酮水平，与模型组比较均有显著性差异(p＜0.05，p＜0.01)。结论芪苈强心胶囊可改善慢性心力衰竭兔血流动力学的变化，对慢性心力衰竭引起的心室重构具有显著抑制作用，其机制可能与该药发挥抑制神经内分泌免疫系统rass中angii、ald的水平有关。

It begins with coverage from microscale mechanics to quantum mechanics and develops the fundamentals of molecular dynamics method.

本课程内容涵盖微观力学至量子力学，重点在於分子动力学模拟基础的教授。

The main points are as follows: 1. For the first time, introduced the methods of fracture mechanics and damage mechanics to analyse the deformation machanism of joints and get the damage tensors of rock containing joints.

首先采用断裂力学，损伤力学相结合的方法，分析了节理的变形机制，推出了节理岩体损伤张量，在此基础上编制了弹性损伤有限元程序TWOD。

The constitutive model of softs is a basic problem for soil mechanics, and is also the basis of the modem soil mechanics. More than thirty years has past and numbers of models have been put forward since Prof.

自从1963年剑桥大学罗斯科等人把传统的金属塑性理论用来建立土的弹塑性本构模型以来，已历经三十多年，提出了众多的模型。

Pilot core processing devices designed and role is removed from the core for rock mechanics studies, and thus a more perfect, rational and broken rock mechanics research studies and three roller bits work for the design and improvement of the provision of the necessary bits of information.

试验岩芯加工装置的设计目的和作用是从岩石中取出岩芯以供力学研究，从而建立更加完美的，合理的岩石破碎学研究和牙轮的工作力学研究，为钻头的设计和改进提供必要的信息。

The main results obtained can be summarized in 3 parts as follows: 1. Polyurethane membrane was made in the way that ultra fine wool powder modified polyurethane. Its mechanics、waterproof and moisture permeability had been tested, and the result show that its moisture permeability was improved, but its mechanics performance reduced.

采用共混法将羊毛粉体加到聚氨酯中制成共混膜，测试了其透湿性和力学性能，发现随着羊毛粉体量的增多，其透湿性有很好的提高，但是同时它的拉伸强力有了明显的降低。

The uncertainty principle of signal is proved according to the uncertainty principle of quantum mechanics, and is further interpreted by quantum mechanics. The signal can be considered as a kind of the quasi quantum system with wave-particle dualism. Because of the wave-particle dualism of the signal, time and frequency can not be measured at the same time.

根据量子力学的测不准原理，采用力学量算符的方法得到了信号在时频分析时的测不准原理，并对该原理进行量子诠释，认为信号在某种意义下可以看作是一个存在波粒二重性的类量子系统，正是由于信号的波粒二重性导致无法同时准确地测定信号的时间和频率。

The study objects of this text are highway and railway tunnel. This text analyze form and mechanism of cause of the tunnel"s disease through knowledge theory such as :rock mechanics, soil mechanics, hydraulics, hydrodynamics, chemistry ,and so on. And combine last criterion, rule and engineering practice, provide the tunnel disease"s the design of prevention and cure, method of construction, new technique, new material, new craftwork. This text provide some advantageous consult values for tunnel prevention and cure.

本文以公路及铁路隧道为研究对象，运用岩体力学、土力学、水力学、流体力学、化学等学科理论，以宏、微观相结合的方法分析了渗漏水、冻害、衬砌裂损及衬砌腐蚀4种常见隧道病害的表现形式、成因机理，结合最新的规范、规则和工程实际给出了隧道病害的防治设计、施工方法以及新技术、新材料和新工艺，为隧道防治提供了有利的参考价值。

The 3D elastic mechanics and finite-element structure analysis priniple were provided.The mechanics characteristics of the three-faced aluminous rotating mirror were analyzed,and the finite-element model was established.

给出了3维弹性力学空间问题基本方程和有限元结构强度分析原理，分析了三面体铝合金转镜空间结构强度的力学特征，建立了有限元模型，分析了其在轴孔与轴的3种配合关系下的应力分布。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新