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- void ratio test 孔隙比试验
- This paper analyzes and researches the possibility of simplifying the control conditions of void ratio and saturation ratio in the freeze-thaw splitting test. 针对冻融劈裂试验简化空隙率与饱水率的控制条件进行了分析研究,表明冻融劈裂试验的简化两项控制是不合理的。
- So the void ratio method is feasible in compaction control of subbase. 因此,路基压实用空隙率法控制是切实可行的。
- Soil-rock-mixture is a typical porous medium, and its seepage is closely related to the particle-size, void ratio and particle shape. 土石混合体属于典型的多孔介质,其渗透特性与颗粒的大小、孔隙比及颗粒形状关系密切。
- Many factors have influence on permeability of cohesionless coarse-grained soil,in which void ratio is the major one. 影响无粘性粗颗粒土渗透性的因素有很多,其中孔隙比是其中的主要因素。
- As for lengthwise surface void ratio, the silk fiber treated by plasm is more obvious than untreated silk fibers. 对于纤维的纵向表面空隙率,等离子体处理丝纤维明显比未处理原丝纤维大。
- The initial void ratio decreased with the embedding depth of MSW due to au increase in overburden pressure. 由于上覆压力作用,垃圾的初始孔隙比随填埋深度增加而降低;
- Research the rebound modulu of low liquid limit silt subbase under different control standards(void ratio and degree of compaction). 研究低液限粉性土压实不同控制标准(空隙率与压实度)的路基回弹模量。
- A comparison of the Type I error rates for the likelihood ratio test and the Mantel-Haenszel procedure in detecting DIF. 发表于第五届华人社会心理与教育测验学术研讨会。
- These parameters reflect the comprehensive effect of initial and variation of void ratio, compressibility and permeability along the depth. 此类参数为随有效应力和土层深度变化的量,体现了软黏土初始孔隙比、压缩性、渗透性及其沿深度变化等因素的综合影响。
- Since Wald(1947) proposed method of Sequential Probability Ratio Test (SPRT), SPRT has become an important tool for solving hypothesis test problems. 自Wald(1947) 提出序贯概率比检验(Sequential Probability Ratio Test;以下简称“SPRT”)方法以来;序贯方法逐渐成为解决假设检验问题的重要工具.
- The sequential probability ratio test (SPRT) can be applied only to the case that there is only white Guass noise in the pressure signal. 利用序贯概率比检验法检测油气管道泄漏是一种较新的方法。
- For charges with defect, the more the void ratio,the higher the value,indicating that a higher quality charge can improve the safety of overload resistance of charge,the speci... 装药中保持一定的孔隙率可以提高装药的抗过载能力,从而说明了分步压装工艺装药密度分布对装药的抗过载安全性是有利的。
- The crystallization-resistant phthalocyanines BGS pigment were produced,through the choice of surface active agent and abrasive ratio test. 通过选择表面活性剂试验和研磨料配比试验,生产出了抗结晶的酞菁蓝BGS颜料,并介绍了在长期生产实践中总结出的经验和体会。
- All kinds of factors influencing the compressibility of polluted soil were analyzed, including grain-size distribution, plasticity index, moisture content and void ratio. 并对影响酸碱污染土压缩性的各种因素进行分析研究,包括土污染前后的粒度分析、塑性指数、含水率分析以及孔隙比。
- In this paper, the Sequential Probability Ratio Test (SPRT) is introduced to cryptanalysis to reduce the amount of keys needed in correlation attacks. 本文把序贯概率比检验引入到密码分析中,用来约减相关攻击所需的密钥量。
- We construct a quasi likelihood ratio test (LRT) for the case-only data utilizing the information of unlinked markers in the human genome. 本文应用人类基因组上不连锁的标记基因提供的连锁不平衡信息,基于病人组数据构造了一个准似然比统计量。
- By using the theory of the likelihood ratio test, a method for choosing prior distributions and classes of prior distribution is given. 摘要利用似然比检验原理,给出了选取先验分布及先验分布族的似然比检验方法。
- This paper proposed a new sampling plan, the sequential mesh test, in order to overcome the disadvantages of the widely used Sequential Probability Ratio Test (SPRT). 摘要 针对序贯概率比检验(SPRT)无法控制抽取样本量等不足之处;提出了一种改进的抽样检验方法-----序贯网图检验.;该方法的要点是在原SPRT问题中插入一系列检验点;将单个检验问题拆分为若干对假设检验的问题
- Based on the lab orthogonal tests, using self-manufactured constant head permeameter, the effect of gravel content, void ratio and particle shape on the coefficient of permeability of soil-rock-mixture was studied. 本文采用室内正交实验,利用自制的常水头渗透仪,研究了砾石含量、孔隙比和颗粒形状3个因素在不同水平下对土石混合体渗透系数的影响。