The porosity test for sandstone was conducted at various temperature level and various effective stress level.
在不同温度水平和不同有效应力水平下，进行了砂岩的孔隙度试验。
At the same time, the Ti-based getters were studied by means of scanning electron microscopy, porosity test and mechanical strength test.
同时对钛基吸气剂进行了形貌观察、孔隙度测试和强度测试。
The change laws of heat swelling power and porosity of sandstone and limestone were researched at different temperatures using a heat swelling power experimental system and a porosity test apparatus.
采用热膨胀力测试系统和孔隙测定装置研究了不同温度条件下砂岩和石灰岩的热膨胀力和孔隙率的变化规律。
The variation law of saturated broken mudstone porosity during creep process is studied by using the self-developed multiphase coupling creep test device.
利用自制的破碎岩体多相耦合蠕变试验装置，研究饱和破碎泥岩蠕变过程中孔隙的变化规律。
A two dimension optoelectronic test method has been developed to determine the distribution characteristics of cancellous bone porosity.
采用二维光电检测方法研究松质骨孔隙率沿不同方向的分布规律。
The draw-down test basically found out the double porosity feature of palaeozoic burried hill reservoir, during pressure build-up test, water boundary and fault boundary were revealed .
压降测试基本测出了古潜山油藏双重孔隙特征，在压恢测试过程中测得了水边界和断层边界。
Cell test showed that bone marrow stromal cells can growth on the surface and in the porosity of this kind of glass-ceramic.
细胞实验显示骨髓基质细胞在这种多孔材料的表面和孔隙中生长良好。
The test results show that the porosity of sandstone decrease with the increasing effective stress at the fixed temperature level, following the law of negative exponent.
试验结果表明，在温度水平一定的条件下，砂岩的孔隙度随有效应力的增加而呈负指数规律减小；
According to the test data of Changping road, it offers the limitation about porosity of the asphalt surface course on expressway in frigid areas.
以长平高速公路试验数据为依据，提出了寒冷地区高速公路沥青表层的容许空隙率的界限。
By use of orthogonal test design, how the injection speed, pouring temperature and mold temperature effects the casting shrinkage porosity forming is studied.
然后，本文通过正交试验的方法研究了压射速度、浇注温度和模具预热温度对铸件缩松缩孔缺陷的影响。
The results show that the methods of sample pretreatment and the methods of test have considerable effect on the measured porosity.
试验结果表明，试样制备方法和孔隙率测定方法，都对孔隙率测定有较大的影响。
The scaffolds were investigated by histological staining, SEM observation and porosity measurement, water absorption rate analysis. MTT test was also done to assess cytotoxicity of the scaffolds.
冷冻冻干后，对支架材料进行组织学及扫描电镜观察，测定支架孔径和孔隙率、吸水率，并采用MTT法分析支架浸提液毒性。
Correlative test data show that this model has good applicability, and can reflect the development of the porosity under certain condition.
相关试验数据验证表明，所建立的渗透率理论模型具有良好的适用性，能反映出一定条件下的渗透率演化趋势。
Sandstone specimen is adopted to conduct test, and all of the homogeneity of specimen and the law of ultrasonic wave and porosity are studied before and after high temperature.
以砂岩试件为研究对象，研究该批试件高温前后的均匀性、高温后的超声波传播规律及孔隙率变化规律。
Once roller compaction is completed for each layer, apply rapid test of the density and porosity with a nuclear densimeter…
每层碾压完毕，用核子密度仪快速检测压实密度和孔隙率，…
Once roller compaction is completed for each layer, apply rapid test of the density and porosity with a nuclear densimeter…
每层碾压完毕，用核子密度仪快速检测压实密度和孔隙率，…
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