研究工程

Methods The right median and ulnar nerves were transected at the axillary level for activation of Schwann cells in 20 SD rats, with their left median and ulnar nerves as control group.

近年来 ，在周围神经组织工程的研究中因作为种子细胞而颇受重视，大量的研究表明雪旺细胞在轴突再生中起重要的作用。

The results can be adopted in the design, construction and research of similar tunnels.

研究成果可为日后类似工程的设计、施工和研究提供有益的借鉴和参考。

More and more seismic damages have attracted more and more experts, at home and abroad, to study on collapse-proof systems, and acquire many achievements, but there are many problems about new damping material and restrainers'study, the mechanical ability of restrainers and unseating prevention devices, the design methods of the collapse-proof system etc.

但是在限位装置的设计方法、连梁装置的设计及实用化、缓冲装置的研究与开发等方面还有许多问题，并且此系统的研究在国内还处于空白阶段，虽然有些工程应用，还仅仅是定性的使用，没有相应的计算理论，更没有与国内抗震规范相适应的计算方法。

Hence , this article' s background is the western important item of natural foundation " Great Roadway Engineering of Western Mountain and Environment Mutual Action mechanism " and " Xi Pan Highway Geology Disaster Research and Countermeasure "; on the base of widely consulting on the national and abroad literature datum base ; investigating the slope on the Xi Pan highway; discussing some problem of the slope engineering on the Xi Pan highway Based on centrifugal model experiment , What it is to the slope whittles that the slope places the terrace fills the earth counter pressure the this two kinds of prevention and cure steps of engineering has been underway researching initially , main work and fruit as follows :(1) Based on the impersonal sum-up and comparison of all kinds of methods of analysis about slope stability at present, the current research is introduced and the developing trend is discussed in brief.

基于离心模型试验，对削坡放平台、填土反压这两种工程防治措施进行了初步研究，主要的工作和成果如下：(1)在客观总结目前国内外边坡稳定性分析方法的基础上，对国内外边坡研究现状进行简介，对边坡的稳定性分析方法进行了总结、对比。

The effects of different air injection techniques on resistance of stepped planing boats are investigated experimentally in this paper.

一 前 言在海军工程大学科研基金和水动力学国家重点实验室基金的资助下，完成了平板气幕减阻试验研究[1]和断阶滑行艇气幕减阻试验研究[2]。

To study the problem, it is necessary to guarantee that the pore air pressure has dissipated completely in the test, and to adjust the general triaxial test apparatus to strength tests of unsaturated soil.

吸力的量测和计算比较困难，而含水量的分布在工程中却容易确定，在非饱和土强度的研究中，选择含水量代替吸力，研究非饱和土强度随含水量的变化，具有重要的实用价值。

Ablation-controlled arc plasma generator is a critical component of energy transition in electrothermal -chemical launch system. Systematic research on piccolo injector is carried out in the dissertation. The main points are as follows: 1 The nature of discharge of piccolo injector is discussed.

本文以国防科技重点预研项目&电热化学炮总体与发射技术研究&为背景，对电热化学炮中电热转换的核心部件—中心电弧等离子体发生器，进行了理论分析、工程设计和实验研究，将中心电弧式等离子体发生器成功地应用到电热化学发射实验中，主要内容包括以下几个方面： 1。

Based on these hot and key spots in construction of high dams at present, Combining one of the 973 plan projects: Study of Global Stability of Geology Engineering System under Interaction of Several Factors(NO.2002CB412707), the dissertation mainly studies the stability anomaly and corresponding shape optimization. The main contents are as follows:The dissertation advances stability analysis method of arch dams based on arch-cantilever method, that is, the stability of arch ring and cantilever are analyzed respectively based on arch-cantilever method and corresponding formula of stability calculation is established. So the calculation methods of dam stress and stability are unified.

围绕目前高拱坝建设中的热点和重点问题，结合973计划课题：多因素相互作用下地质工程系统的整体稳定性研究(编号 2002CB412707)，重点研究高拱坝的稳定转异以及体形优化，现将主要内容归纳如下：本文提出基于拱梁分载法的拱坝稳定分析方法，即在拱梁分载法的基础上，分别分析拱圈和悬臂梁的稳定，建立相应的稳定计算公式，统一坝体结构稳定和应力计算方法。

The SP-gun was meant for cavalry brigades as a support and anti-tank weapon.In April 1932, the Armoured Weapons Construction Bureau of the Army Engineer Research Institute BK Br.

自行火炮被主要作为骑兵旅的支援和反坦克武器来使用。1932年4月，位于华沙的陆军工程研究学院的装甲武器研究局BK Br。

The main is focused on the discussion on the crystal structure, porosity, temperature profiles, thermal conductivity, salinity and density of sea ice in Liaodong Bay based on the author's research on ice temperature profile in field, thermal conductivity coefficients in field and in laboratory, and the ice structures studied under the computerized tomography scanner.

重点以作者完成的海冰现场温度场、现场冰层导热系数和实验室导热系数以及应用正交偏光和CT扫描研究冰组构等研究成果为主体，讨论了辽东湾海冰的晶体结构、孔隙率、温度场和导热系数、盐度、密度等工程海冰指标。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！