The effect of permeability on the performance of the felt and the trend of permeability testing are discussed.
探讨了造纸毛毯透通性等性能测试方法的发展趋势。
We also assemble a set of permeability testing equipment, by which we study on the effect of density, thickness and air pressure on the relative permeability.
并利用自行组装的测试设备研究了柔性石墨板密度、厚度以及空气压力差对相对透气系数的影响。
The hydraulic gradient gained from the permeability testing in the site is higher and can not reflect the real hydraulic gradient of the heavily fractured rock.
由于现场钻孔管涌试验所得的坝基岩体试验破坏坡降较大，不足以反映断层破碎带最差部位的岩体破坏坡降。
The common methods of drilling rods testing include magnetic particle inspection, permeability testing, radial testing and ultrasonic testing, but these methods all have considerable deficiencies.
检测钻具缺陷的常用方法有磁粉探伤、渗透检测、射线检测、超声波检测，都存在不足。
Extensive laboratory testing showed that associative polymers had no significant effect on the relative permeability to oil.
大量的实验室测试结果显示，复配的聚合物对油的相对渗透率无显著影响。
This article sets forth the common defects existing in the current testing methods on concrete permeability and the suggestion and ways to improve.
本文阐述了目前混凝土渗透性的测试方法当中存在的共同缺陷，以及渗透性测试方法的改进建议和改进方法。
Nitrogen gas with different displacing velocity and pressure was used to displace the core in testing, the permeability damage and correlation analysis caused by velocity sensitivity were obtained.
实验用氮气以不同的驱替速度和驱替压差驱替岩心，得到由速敏性引起的渗透率损害及相关分析结果。
Research mechanism of diffusion and infiltration of concrete, analyze the main influence factor of the concrete permeability and summarized the method of testing of the penetrating index of concrete.
研究了水、氯离子及气体在混凝土中的渗透与扩散的机理，分析了影响混凝土渗透性的主要因素及有待进一步研究的方向，并总结了混凝土渗透性指标的测试方法。
The in-site checking situation is introduced, and the permeability of concrete structure is evaluated. The permeability result is validated indirectly by testing the carburized depth.
本文介绍了现场对表层混凝土渗透性的检测，对既有结构混凝土的表层渗透性进行了评价，并通过检测混凝土碳化深度间接验证了渗透性检测结果。
It is an effective method for quick testing and evaluating permeability of concrete.
对于快速检测及评价混凝土渗透性是一种快速有效的方法。
The testing results of a low permeability reservoir indicate that this IPR equation can effectively evaluate the impact of starting pressure gradient on inflow performance.
某低渗透油田的测试分析结果表明，该IPR方程能有效评价启动压力梯度动态变化对油井动态的影响。
In being of testing methods, accurately noting exiguity changes of permeability is very hard, and exists errors are difficult to avoid in artificially noting.
在现有的测试方法中，很难精确记录透气性的微小变化，且存在人工记录过程中难以避免的误差。
This paper discusses-the theory and method of deriving the single well Q-S(yield and drawdown) curve using coefficient of permeability from testing and other empirical parameters.
本文探讨了利用测试的渗透系数和其它经验参数推求单孔Q—S（出水量与水位下降）曲线的理论和方法。
These pretest control patterns, in combination with the various testing modules of MDT, improve the adaptability of MDT pretest and the accuracy of permeability estimation.
这些预测试控制模式，配合MDT功能强大的各种压力测试模块，使得MDT的预测试功能适应性更强，渗透率估算更为准确。
The testing methods of chloride ion permeability were mainly presented and evaluated in this paper.
文中简要介绍和评述混凝土氯离子渗透性的试验方法。
This paper introduces the design thinking, structure, principle, testing precision and applying domain of permeability gradient meter.
介绍了岩心渗透率梯度仪的设计思路、结构原理、检测精度及应用领域。
Course and product testing result of high permeability, high water absorbed, high anti-bacterial spun-laced nonwovens are introduced in the paper.
介绍了研制具有高透气性、高吸水性、高抗菌性水刺法非织造布的过程及其产品的测试结果。
A set of methods determining change of formation permeability after injection water by testing way have an important benefit for increasing production potential of Dagang oilfield.
研究出一套用试井方法确定注水以后地层渗透率变化的方法，对大港油田的增储上产具有重要意义。
Testing results show that phosphogypsum material particle size distribution is more concentrated, graded poor, good permeability and high shear strength.
试验结果表明：磷石膏颗粒分布较为集中、级配较差、渗透性能良好且抗剪强度较高。
In combination with oil testing data after fracturing, the separations are used in low permeability reservoir discrimination and it has achieved good effectiveness.
并结合压裂后试油资料，将微电极负差异现象应用于低渗透油藏储层判别中，取得了良好的效果。
The structure and permeability of cover concrete, as well as the in-situ test method for testing the permeability of cover concrete are researched.
本文研究了混凝土保护层的结构与渗透性，以及混凝土保护层渗透性的现场检测方法。
Taking well LS1 of Tuha oilfield as example, this paper presents oil testing technology of low permeability fractured shaly sandstone reservoir.
以吐哈油田LS1井为例，介绍了低渗透裂缝性泥砂岩层的试油技术。
The effect of sustained uniaxial compressive load on the permeability of concrete was studied by a load-permeation testing device with pressed spring loads.
用以受压弹簧为荷载的压力渗透实验装置研究了持续单向压荷载作用对混凝土的水渗透性的影响。
It was difficult for pulse testing in the low permeability reservoir, selection of calculation point of pulse directly affected the interpreting results of pulse pressure response curves.
低渗透油藏脉冲试井难度大，脉冲计算点的取法直接影响脉冲压力反应曲线的解释结果。
The harbor HPC can be examined by soaking in the sodium sulfate, Chloride permeability, electric resistance testing and so on, to assess the durability.
港湾高性能混凝土可利用硫酸钠浸泡、氯离子渗透、电阻试验等检测方式评估耐久性。
According to limitation of conventional deliverability testing method applied in gas reservoir of low permeability, a new, reduced well testing method for deliverability test is put forward.
针对常规产能试井方法在低渗透气藏中应用的局限性，提出了新的、简化的产能试井方法。
Therefore, water vapor permeability of flexible packaging material (or barrier) of the test of testing more and more important in the packaging.
因此，对软包装材料透气透湿性（或阻隔性）的测试研究在包装测试中越来越重要。
The result from the testing by volume flow overrate demonstrates that when injected water as much as 150 fold of pore volume is used, permeability is reduced as much as 28% due to clay swelling.
体积流过量试验结果显示，当注入150倍孔隙体积注入水时，因粘土膨胀，渗透率下降达28%。
The typical formations with extra low permeability feature in exploration well testing for oil are analyzed traceably together with the production practice in Shengli petroliferous area.
结合胜利油区生产实际，对探井试油测试中呈特低渗透性的典型地层进行了追踪分析，提出了识别该类地层的含油依据和挖潜措施。
The typical formations with extra low permeability feature in exploration well testing for oil are analyzed traceably together with the production practice in Shengli petroliferous area.
结合胜利油区生产实际，对探井试油测试中呈特低渗透性的典型地层进行了追踪分析，提出了识别该类地层的含油依据和挖潜措施。
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