压下的

In this paper,Laterite soil adjacent to some stake of the highway in Chenzhou, Hunan section from Xiamen to Chengdu was used to investigate the deformation characteristics and protection methods of the Laterite soil subgrade under the influence of environment factors.Properties like water-holding capacity,capillary rise, coupled heat-moisture transfer and wetting deformation of samples under different compactness were studied through a series of laboratory tests.In addition,by using meteorological data of two consecutive years in Chenzhou,coupled process of moisture transfer and subgrade deformation was stimulated under the impacts of groundwater and the atmosphere.Specific work done in this paper is as follows:(1) Samples under different compactness were subjected to a series of conventional laboratory tests,such as permeability,consolidation,contraction,shear test and etc.

论文以厦门至成都高速公路湖南郴州段的红粘土为研究对象，以环境因素作用下红粘土路基的变形特征与防护方法为研究目的，通过室内试验研究了不同压实度红粘土的持水性能、毛细上升、湿热耦合迁移及湿化变形等特征，借助郴州地区连续两年的气象数据，模拟在地下水和大气的共同作用下路基内部红粘土水分迁移与路基变形的耦合过程，主要研究内容及结论如下：(1)针对不同压实度的红粘土，系统开展了其渗透、固结、收缩、剪切等试验研究。

Check paper may affect the pressure of the pressure that the reason for the press paper under the valve in the fuel tanks in the culumn because of the unavailability for a long time fatigue has broken off a section of this article, press paper cylinder performance of the product will be trimmed to be exerted by request, the replacement of a good spring, cut-quatily.

逐一检查可能影响压纸器压力的诸多方面后，发现原因在于压纸油缸内下阀芯里的压力弹簧因用久疲劳折断了一节，致使压纸油缸的工作性能满足不了产品裁切时应施加的压力要求，更换完好的弹簧后，裁切的质量达到了要求。

Taking the gradient property of piezoelectric parameters g-(31),elastic compliance parameters S-(33) and density ρ along z direction into account,some parameter identification methods for a functionally gradient piezoelectric material are studied in the present analysis.

当考虑压电材料的压电参数g31，弹性参数S33和材料密度ρ沿厚度呈梯度变化时，通过测量压电材料悬臂梁在电场或横向集中力作用下梁的宏观反映，给出了确定这些参数分布的公式，包括g31、S33的单参数识别及体积力与联合参数识别的方法。

From the concept of winding inductance、 magnetic linkage and the store coenergy, this paper deduces the quantitative relationship between motor speed, n, reluctance torque and winding's voltage, Us, and investigates whether it is correct or not through tests.

分析了开关磁阻电动机的一种调速方法——调压调速；从绕组电感、磁链及磁共能的概念出发，导出调压调速方式下电机转速n，磁阻转矩M及绕组端电压US之间的定量关系，并通过实验验证了三者之间关系的正确性；给出适合于开关磁阻电动机调压调速系统的8098单片机使用PID数字控制器的控制算法，最后介绍2。

The additional calculation error of measuring gas flow capacity through planimeter calculating av - erage value between differential pressure and static pressure with dual bellows differential pressure flow capacity table is discugsed in this paper .

本文讨论了从双波纹管差压流量卡片上，用求积仪求得差压和静压的平均值计算天然气流量方法所产生的附加计算误差；分析了差压和静压在不同的变化趋势下，附加计算误差的大小和方向；提出了改进和预防的建议。

Under the action of high confining pressures, the main reasons for the decrease in the strength of frozen fine sand are: pressure melting of pore ice, particle-size breakdown and the growth of microcracks; for frozen silty clay, they are: pressure melting of pore ice and the growth of microcracks.

围压作用下，影响冻结砂土强度弱化的主要原因是孔隙冰的压融、矿物颗粒细化和微裂隙的发育；影响冻结粉质粘土强度弱化的主要原因是孔隙冰的压融和微裂隙的发育。

To study the basic mechanical performance of reinforced concrete column strengthened by circular steel jacket,a set of experimental work was carried out.1 contrast unstrengthened square reinforced concrete column and 10 reinforced concrete columns strengthened by circular steel jacket were tested under axial loading.

为研究圆形钢套管加固混凝土柱的基本力学性能，进行了1根未加固的普通钢筋混凝土柱和10根圆形钢套管加固的混凝土短柱在不同加固钢套管厚度及初始轴压比下轴心受压试验，初始轴力通过对未加固试件施加后张预应力来进行模拟；在试验研究的基础上，根据应变协调原则对加固后构件轴压承载力进行了数值分析。

Rut formation mechanism and classification of 1 track of the generation mechanism Asphalt Concrete Pavement open traffic after the traffic load under repeated, the formation of track can be divided into three phases:(1) the initial stage of the compaction process: by the RCC, high temperature and in a semi-flowing state of asphalt and asphalt cement with slag was composed of mineral aggregate into between the aggregate at the same time was a strong line up has a certain frame structure.

车辙产生机理及分类 1车辙的产生机理沥青混凝土路面开放交通之后，在行车荷载反复作用下，车辙的形成可分为三个阶段：（1）开始阶段的压密过程：经碾压，高温下处于半流动状态的沥青及沥青与矿粉组成的胶浆被挤进矿料之间，同时集料被强力排成具有一定骨架的结构。

The overpressure transients of the most penalizing category 2 condition and category 3 condition are simulated by the thermal-hydraulic code-CATIA 2, and the reactor coolant system overpressure protection under the stretch-out operation for LING AO NNP is validated.

本文阐述岭澳核电站延伸运行工况下反应堆冷却剂系统超压保护分析的原理和方法，利用热工水力程序CATIA2对最为严重的二类工况和三类工况超压瞬变做了分析和计算，计算表明岭澳核电站延伸运行期间冷却剂系统超压保护是有效的。

It is widely concerned in fatigue of concrete structures. In this paper, concrete triaxial compression fatigue experiments and tension-compression fatigue experiments with constant confinements in two lateral directions have been carried out using a self-modified loading apparatus. Based on the analysis of the test data, the quantitative principles of concrete fatigue deformation and the calculation method of fatigue strength are determined.

混凝土结构的疲劳是一个广为关注的问题，本文针对这一问题结合国家自然科学基金项目——混凝土多轴变幅疲劳破坏准则(50078010)的研究，利用自制的试验加载装置完成了两向定侧压约束下混凝土三轴受压、三轴拉-压等幅和变幅疲劳试验，对试验结果进行了分析。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。