无压的

Reinforced Earth is, therefore, a composite material, combining the compressive and shear strength of compacted granular fill with the tensile strength of horizontal, inextensible reinforcements.

因此，加筋土是一种复合材料，它将经碾压的粗粒回填土的压缩性和剪切强度与横向无伸展性的加固材料的抗拉强度相结合。

Five synthesis methods of AlN powder were discussed, namely direct nitrogenation of Al powder, carbothermal reduction of Al2O3, chemical vapor deposition, sol-gel method, self-propagating high-temperature synthesis and plasma chemical synthesis. The choice of AlN sintering additives and five sintering technologies were analysed, namely hot pressing sintering, pressureless sintering, spark plasma sintering, microwave sintering and self-propagating sintering. The preparation processes of AlN substrate and its influencing factors were expounded.

介绍AlN陶瓷的典型性能和导热机理；讨论AlN粉末的5种合成方法：铝粉直接氮化法、Al2O3碳热还原法、化学气相沉积法、溶胶凝胶法、自蔓延高温合成法和等离子化学合成法；分析AlN烧结助剂的选择和5种烧结工艺：热压烧结、无压烧结、放电等离子烧结、微波烧结及自蔓延烧结；阐述AlN基板的制备工艺及其影响因素。

It is shown that the large-scale orographically produced perturbationsin a frictionless,adiabatic and baroclinic atmosphere can be described by athree dimensional Helmholtz's differential equation.

本文指出，对于无黏性的、绝热的斜压大气的大尺度常定有限扰动，可以用一个三维的Helmholtz 方程来描写。

Pedicelled spikelet resembling sessile but usually smaller and slightly laterally compressed; pedicel free, resembling adjacent rachis internode.

除了通常小和稍侧面压扁，象无梗的Pedicelled小穗；花梗免费，象的临近的轴节间。

A novel C/C/Cu composite with excellent wear resistance was fabricated by pressureless infiltration.

采用无压熔渗工艺制备一种新型的具有优异耐磨性能的碳纤维整体织物/炭/铜复合材料，在UMT-3多功能摩擦磨损测试仪上考察复合材料的摩擦磨损行为，并与粉末冶金方法制备的滑板用炭/铜复合材料进行了对比分析。

In this paper, finite element software ANSYS is used to simulate the thermal conductivity and pressureless infiltration technique is used to produce aluminum infiltrated silicon carbide composite with high volume fraction of SiC. The influence of interfacial thickness and temperature on thermal conductivity and CTE have been investigated and analysed.

本文采用有限元软件ANSYS对铝渗碳化硅复合材料的有效热导率进行了数值模拟，用无压浸渗法制备了高体积分数的铝渗碳化硅复合材料，研究了界面层厚度和温度等对铝渗碳化硅复合材料的热导率和热膨胀系数的影响，并进行了分析。

The Y-TZP nanoceramics with an average grain size of 60 nm and a relative density of 98% were prepared by pressureless sintering.

采用无压烧结获得了相对密度为98%、平均晶粒尺寸为60nm的Y-TZP纳米陶瓷。Y-TZP纳米陶瓷的显微硬度主要取决于陶瓷的相对密度、相结构和晶粒尺寸，即陶瓷的四方相质量分数越高，相对密度越大，晶粒尺寸越小，则显微硬度越高。

SiC/Al composites were fabricated by pressureless infiltration technique, based on infiltration dynamics mechanism and technic method ,the effects of holding time and cooling way on the residual porosity of composites were discussed.

采用无压浸渗法制备了SiC/Al复合材料，从浸渗动力学和工艺方法的角度探讨了浸渗保温时间和降温方式对复合材料的残余气孔率的影响。

The effects of BN content on the thermal conductivity, hardness and microstructure of AlN-BN composite ceramics prepared by ceramic injection molding and pressureless sintering, as well as the rheological characteristics of the mixtures were discussed.

采用粉末注射成形和无压烧结相结合的工艺制备AlN-BN复相陶瓷，讨论了AlN-BN混合料的流变性能以及BN含量对复相陶瓷热导率、硬度以及显微组织的影响。

This paper discusses such design problems in heating systems with the pres- sureless boiler as how the pumping head of the cycle pump is selected ,where the cycle pump is installed and whether the expansion tank is necessary.

针对无压锅炉供暖系统设计中有关循环水泵扬程的选择、循环水泵的设置高度及是否设置膨胀水箱等问题从理论和实践上进行了探讨，得出了可供设计人员实际应用的计算公式，介绍了几个关键问题的处理方法，澄清了一些模糊认识。

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