自由膨胀

并针对技术性能的各项要求，开展了一系列室内试验，其液塑限、CBR、耐崩解性及自由膨胀率等都符合规范的要求。

According to the requirements of the technical performance and carry out a series of laboratory tests , the liquid plastic limit , CBR and collapse resistance and free expansion rate , etc are accord with the requirement of standard .

而在ISS处理后，其自由膨胀率明显降低，那ISS去掉的是什么水，其存在形式和存在界限是什么，厚度有多少？其次，ISS加固红色黏土结合水定量测量问题。

After treatment with the ISS , the free expansion rate decreased significantly . What water ISS remove , what is the existence forms , exist boundary and the thickness ? Secondly , the problem of quantitative measurement of red clay adsorbed water after treatment with ISS .

同时分析了自由膨胀量和CBR浸水膨胀量的关系，提出了CBR浸水膨胀量的要求。

Meanwhile it makes an analysis of the relationship between free swelling amount and CBR soaking swelling amount , and puts forward the requirements of the latter .

结果表明，中膨胀土经CMA改性后，其自由膨胀率由改性前的71%下降到20%左右，液限和塑性指数也显著降低，亲水能力大幅度下降；

Compared with unmodified sample , the free swelling ratio of the modified samples lowers from 71 % to about 20 % ; its liquid limit and plastic index also decrease obviously ;

结果表明，EB-PVD方法沉积的陶瓷层，其柱状晶粒簇拥成团，表面比较致密，然而晶粒簇间存在间隙，允许柱状晶横向伸缩，使基体能在相对大的范围内自由膨胀。

It was found that the ZrO 2-7 mass % Y 2O 3 ceramic top coat deposited by EB-PVD showed columnar grains which formed dense clusters and the surface was relatively dense .

试验结果表明，CMA改性土的工程特性与石灰改性土具有相似的规律性：改性后自由膨胀率、液限、塑性指数和胶粒含量显著降低；

The test result indicates that the engineering property of CMA-treated soil possesses the similar regularity with the soil modified with lime . Compared with unmodified soils , the free swelling ratio , liquid limit , plastic index and clay fraction decrease obviously .

依据我国工程实际，参考和借鉴国外经验和试验，对GCL特性进行了研究，对膨润土的自由膨胀特性、含水率，与GCL的抗拉强度、剥离强度、剪切强度。

According as engineering practices of our nation , referring to the experiences and experimentations of overseas , we have researched the characteristics of GCL , that is free swell testing of bentona 、 moisture content and tensile strength 、 peel strength and shear strength .

用其作膨胀土改良试验，在最佳条件pH7.5，温度25℃，膨胀土样水分含量40%条件下，接种A9菌剂7%，培养7d，膨胀土自由膨胀率最高可下降33.57%。

The optimal improved condition was pH7.5 , temperature 25 ℃, water content of soil specimen 40 % , inoculum amount 7 % , culture time 7 d , under this condition , the free expansion rate can be reduced by 33.57 % .

采用约束爆破和自由膨胀爆破两种实验方法，研究了工业纯铁，Mn-B系空冷贝氏体钢等五种材料在爆破加载条件下管壁变形、开裂特征和破片形成规律。

By means of a constrained expansion and a free expansion explosion tests , the deformation and crack characteristics and the formation rules of fragments of the cylinder walls made of five kinds of materials under the condition of explosive loading were investigated .

江淮膨胀土自由膨胀率特征

Characteristics of free swelling ratio for expansive soil in middle Anhui Province

膨胀土的自由膨胀比试验研究

Testing Study on relative free swelling ratio for expansive soil

气体的自由膨胀会使其温度降低。

Free expansion of a gas causes it to cool .

气体绝热自由膨胀过程中温度的变化

A Process of Free Expansion in A Container Which Insulates from Heat

土样制备对自由膨胀率的影响及其改进方法

Effect of soil sample preparation on free swelling ratio and its improved measures

自由膨胀条件下高压密膨胀粘土微观结构随吸力变化特征

Microstructural changing characteristics of densely compacted bentonite with suction under unconfined hydrating conditions

塑料自由膨胀挤出发泡过程泡体密度研究

Research of Foam Bulk Density in Freely Expanding Process of Extruding Plastic Foam

水泥改性膨胀土干密度与自由膨胀率试验研究

Experimental Study on Dry Density and Free Swelling Ratio of Cement-Treated Expansive Soil

气煤葛金焦型与自由膨胀序数的回归分析

Regression Analysis between Gray-King Assay Coke Type and Free Swelling Index on Gas Coal

谈谈自由膨胀率试验的局限性

Discussion on Limitations in Free Expansive Rate Test

GB/T13240-1991铁矿球团相对自由膨胀指数的测定方法

Iron ore pellets-Determination of relative free swelling index

三温与多温电子等离子体的自由膨胀与快离子的产生

Free expansion of plasma with three and multiple electron temperatures and production of fast ions

自由膨胀率试验的影响因素

Influential factors on free swell test

本文介绍三温与多温电子等离子体自由膨胀的理论模型。

A theoretical model for the free expansion of a plasma with three and multiple electron temperatures is developed .

自由膨胀比测定新方法在胜利油区砂岩储层评价中的应用下部油层防砂绕丝筛管

Application of the Relative Free Swelling Ratio Testing of Clay Minerals in Sandstone Reservoirs Evaluation in Shengli Oil Field , China

通过树脂基复合材料爆炸自由膨胀环实验的分析，对实验技术中存在的问题提出了一些建议。

Some proposals for problems involved in experimental technique were put forward through resin matrix composite freely expanding ring experimental technique analysis .

因固定水冷壁膜片的拉筋拘束了水冷壁管自由膨胀与收缩，致使应力增大，导致在薄弱位置萌生热疲劳裂纹。

Because holding parts which supports water wall tube restrain free expansion and contraction , thus stress increases resulting thermal fatigue cracking on weaker position .

自由膨胀率试验存在着多种缺陷与不确定因素，不能全面地反映出膨胀土的诸多特性熏故该试验方法具有一定的局限性。

There are many limitations in free expansive test methods , such as some defects and undefined factors that could not reflect some characters in swell-soil .

突然抽去隔板后，气体的自由膨胀使气体在同一温度下占有更大的容积。

The free expansion of the gas after the abrupt removal of a barrier results in the gas occupying a larger volume at the same temperature .

其实，这就是热容，这是焦耳自由膨胀实验中，我们要测量的物理量。

This one turns out to be the heat capacity , and this one turns out to be something that we measure in the Joule-free expansion .

采用减少焊缝数量、保证焊缝质量、保证受热面自由膨胀等措施，减少焊缝漏水引起的故障。

The measures of reducing weld , improving weld quality and permitting free expanse of heating surface are adopted to reduce breakdown caused by weld leakage .