无压的

Based on the Knothe time function, the progressive prediction of surface subsidence due to underground mining was established, and the factor of proportionality describing the influence of geological and mining conditions was determined when there was no measured data in practice. A method of periodic pressure distance to divide the total working face into certain elements considering the mining rate or mining duration was proposed.

详细分析了单参数的Knothe时间函数、双参数的Sroka-Schober时间函数和Kowalski 广义时间函数的优缺点及其相互关系，建立了应用Knothe时间函数进行地表动态移动变形预计的原理、无实测资料矿井时间参数的确定方法和开采单元划分的周期来压步距法。

The test results also indicate that separating RC ultra short column into separated columns (shear span to depth ratio higher than 2) by gapping longitudinally at the middle of ultra short column can improve the ductility and deformation capacity of the columns effectively.

不设剪力连接件的SRC超短柱的破坏模式为黏结破坏，与RC超短柱相比，其抗剪承载力和变形能力并无明显提高；设置剪力连接件的SRC超短柱的破坏模式为斜压破坏，其抗剪承载力和变形能力显著提高，但构件的变形能力仍然难以满足现行抗震规范要求。

For protecting the signal transmitting fiber in downhole high temperature and pressure environment, an epoxy-free package method based on hermetical bonding of quartz ferrule and fiber is used and Polyimide coated fiber and stainless steel protecting tubing are adopted.

我们采用金属—石英管的机械压力密封和石英管—光纤的激光热熔无胶密封结构，保证了传感器导压腔和耐高温光纤不锈钢保护套管的可靠密封，提高了整个系统的可靠性和使用寿命；采用不锈钢套管保护聚酰亚胺材料涂敷的耐高温光纤传输传感信号，解决了耐高温和保护光纤的问题。

The main body of a book have analysed a generator losing the magnetism physics process , have given a generator out the fundamental equation losing the magnetism queen; By using simulated module of electric system in Matlab/Simulink,build a single infinity system emulation model , have included module such as generator , excitation system , transformer , idle work power source , circuit loads , infinity system , transmission line; Lose magnetism condition two kinds specifically for the excitation winding loses magnetism and the part completely losing magnetism, lower emulation having carried out different working condition, have gained machine holding stater voltage , have encouraged the magnetoelectricity stream , excitation voltage and output having performed meritorious service power wave form change condition; By simulated wave form of contrast , to every electricity amounts, change law has carried out theoretical analysis.

本文分析了发电机失磁的物理过程，给出了发电机失磁后的基本方程；通过使用Matlab/Simulink中的电力系统仿真模块，建立一个单机无穷大系统仿真模型，包括了发电机、励磁系统、变压器、无功电源、线路负载、无穷大系统、输电线路等模块；针对励磁绕组完全失磁和部分失磁两种失磁情况，进行了不同工况下的仿真，获得了机端定子电压、励磁电流、励磁电压和输出有功功率波形的变化情况；通过对比仿真波形，对各电气量变化规律进行了理论分析。

With the rapid advancement of process and technology, especially the realization of on-chip passive elements such as inductors and varactors, the on-chip implementation of voltage-controlled oscillators which are necessary in wireless transceivers has become easy.

在工艺技术的飞速进步下，尤其是电感和变容管等无源器件片上实现问题的解决，压控振荡器已经可以实现单片集成，这对降低收发机的成本十分关键。

This paper introduces the main design differences between the pole s of Three Gorges Generator and the traditional one and as well the structures and the merits of the pole without press plate,chain wedge etc which are the new structures used in Three Gorges Generator by ALSTOM Power Ltd.

本文介绍三峡水轮发电机磁极与传统结构磁极的不同点，并重点介绍ALSTOM公司在三峡发电机中采用的无磁极压板结构的磁极、齿形磁极键等新结构的设计特点及其优点。

So from the aspects of economical and social benefit, it has a lot of advantages. On the other hand CFG pile with long screwy drill pipe inner pump pressure is low noisy and without muddy water pollution; The process of drilling will not lead to vibration and has the capacity to penetrate hard rock layer; Also the construction is of high efficiency.

并且长螺旋钻管内泵压成桩工艺具有低噪音，无泥浆污染；成孔制桩时不产生振动；成孔穿透能力强，可穿透硬土层，诸如沙层、圆砾层和粒径不大于60mm的卵石层；施工效率高等优点，所以该技术在全国推广后，得到了广泛的应用，目前已成为应用较为普遍的地基处理技术。

Cited Pistons pull vent valve 10-valve piston cited the role of pulling out are seized cylinder piston rod, when its mild in China emerged after the main hydraulic cylinder rod cavity and there is no cavity under the pressure dropped, so that the main hydraulic cylinder in motion the process of increasing resistance to the main pump to increase the load, resulting in engine speed when pumping declining situation.

3活塞引拔阀内泄活塞引拔阀10的作用是拉出检缸活塞杆，当其出现轻度内泄后，主液压缸无杆腔和有杆腔的压差下降，使主液压缸动作过程中阻力增加，使主泵负荷加大，导致泵送时出现发动机转速下降的现象。

Under the plastic-mulched ridge and furrow cultivation, the average soil water content of furrow (12.7%) was significantly higher than that of ridge (9.1%) at the soil depths of 20-100 cm. The locally compacted ridge served as a water flow barrier and a rainfall collection area under locally compacted ridge and furrow cultivation, and the water content of furrow was significantly higher than that of ridge in the same soil depths, which was similar to the characteristic of soil water distribution under plastic-mulched ridge and furrow cultivation. No significant differences were found in soil water content of furrow between locally compacted ridge and furrow cultivation and plastic-mulched ridge and furrow cultivation, with the same efficiency of water collection.

相对于自然垄沟，膜垄的集雨效果明显，沟中土壤平均含水量显著高于垄中，20～100cm土层范围内平均土壤含水量分别为12.7％和9.1％；成垄压实土壤水分在剖面分布状况与盖膜垄沟的水分分布相似，水分向沟内集中，沟中土壤水分含量显著高于同一土层深度处垄中土壤含水量，且与盖膜垄沟处理下沟中土壤水分含量无显著差异，在集水和聚水方面表现出和膜垄的相似性。

With up to four people over the years in the domestic auto industry's efforts, at the same time learn from at home and abroad with extensive industry experience and advanced technology for FAW-Volkswagen, the steam, Shenyang Brilliance, FAW Body Works, Jilin light, Kazakhstan light, Nanjing, FAW Yangzi, and other manufacturers to provide a large number of aerodynamic balance Manipulator, the empty mobile trolley, spring balancer, vertical and horizontal translation pulley, fixed-feed welding torch, simple open-book line, reciprocating spray paint machine, Welding side Wai transmission lines, no activities on the press table-technology equipment such as vehicles.

四达人凭借多年来在国内汽车行业中的努力，同时广泛汲取国内外同行业的先进技术和经验，为一汽大众、二汽、沈阳华晨、一汽车身厂、吉林轻型、哈轻、南汽、一汽扬子等众多厂家提供了大量的气动平衡机械手、空车移动小车、弹簧平衡器、纵横平移滑车、固定式馈电焊枪、简易开卷线、往复式喷漆机、焊装侧围输送线、无活动工作台压机上模车等工艺装备。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。