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- The seepage in calcirudite was then measured experimentally as a function of the 3-D stresses.The results show that the calcirudite permeability is inversely related to the mean effective stress. 在渗流-三轴应力耦合试验机上开展的砂砾岩渗流应力耦合试验的结果进一步证明,砂砾岩渗透系数与平均有效应力成负指数函数关系。
- mean effective stress 平均有效压力
- The results show that the engine speed and brake mean effective pressure (BMEP) have great influences on emissions. 结果表明: 发动机转速和平均有效压力对污染物排放有较大影响;
- Effective stress management involves identifying and managing both acute and chronic stress. 有效的压力管理包括识别、管理急性和慢性压力。
- It can he used to compute many appropriate scalar quantities such as temperature, displacement, effective stress and effective plastic strain. 重点研究此法在焊接的热分析中的应用,得到了有益的结论。
- Maximum indicated mean effective pressure(IMEP)oc- curred at middle engine speed,while maximum IMEP decreased at high engine speed. 在中间转速,HCCI实现的最高平均指示压力最大,高转速工况,最高平均指示压力降低;
- The results show that standard deviation and coefficient of variation of indicated mean effective pressure are the best parameters. 结果表明,平均指示压力的标准差及变动率是评定内燃机压力循环变动的最佳参数;
- Researches were carried out on internal blast loading and effective stress history at typical positions in the flat end plat and cylindrical shell. 研究容器壳体和平板封头典型位置的内部爆炸载荷和等效应力的历史;分别给出壳体和平板封头的应力云图;
- A liquefaction model for saturated sand soil is establishedaccording to the principle of effective stress under explosive loading. 运用有效应力原理,建立了用于描述三相饱和砂土爆炸动力分析的实用模型。
- Seismic responses of unconsolidated sands indicate that Poisson's ratio is related to the parameters of sand with low effective stress. 非固结砂岩的地震响应研究表明泊松比参数与低有效应力的砂岩模型参数有关。
- The mean effective dose ED50 values of 4 antibiotics were DED50,NTL=30.2 mg/kg < DED50,ABK=78.3 mg/kg < DED50,ASTM=215.2 mg/kg < DED50,ISP=359.7 mg/kg, respectively. 半数有效量ED50值大小顺序为DED50;NTL=30.;2mg/kg
- The study shows that the shape of effective stress field of deep hole bench blasting is quasi ellipsoid and the tip effect appears at both ends. 采用三维有限元数值分析法,通过建立三维有限元计算模型,分析堵塞长度对堵塞区有效应力场的影响。
- The mean effective power of herbs used for the treatment of SAP was 89.12%, and its main mode of administration was via nasal feeding with retained herbal formulas. 中医药在治疗重症胰腺炎方面,效果是肯定的,平均有效率89.;12%25;固定方剂鼻饲为主,随证加减占39
- Then, based on the linear elastic theory and effective stress concept, the governing equation on stress-strain of the rock containing gas is derived. 然后基于线弹性理论和有效应力概念,建立了孔隙含有气体的岩石的应力-应变控制方程。
- In view of that,a kind of effective stress and soil-water characteristic curve have been used to develop a new shear strength. 针对于此,作者提出了一种有效应力与土水特征曲线发展成的一种新的非饱和土强度公式。
- Non-linear coupled response model of permeability coefficient and effective stress was introduced according to water pump test results. 根据抽水试验观测资料,提出了土体渗透系数与有效应力的非线性耦合响应模型。
- The mean effective population size could be estimated as a harmonic means of the Ne. 估计出平均有效种群大小,作为所有世代ne的调和平均值。
- The pullout capacity of the suction caisson is analyzed by using the finite element software ADINA. The study involves total stress analysis and effective stress analysis. 通过大型有限元软件ADINA的模拟计算,应用总应力分析和有效应力分析两种方法研究承载力、吸力以及超静孔隙水压力。
- In the calculation of consolidation degree, the onsolidation coefficient Cv ,which varies with the effective stress during consolidation, is usually regarded as constant. 在固结度计算中通常将固结系数视为常数,实际上并非如此。
- An effective stress calculation formula for coal containing gas is proposed coupling with the swelling stress of gas adsorption in the effective stress principle for porous media. 摘要首先在多孔介质的有效应力原理中引入瓦斯吸附的膨胀应力,推导出了适用于含瓦斯煤岩的有效应力计算公式。