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.
渗透同强度和变形特性一起，都是土力学中所研究的主要力学性质，在土木工程的各个领域中都有重要的作用[3]。
The effect of the void fraction on heat transfer coefficient is investigated too. Transient temperature change is investigated in both heat transfer experiments.
通过常温常压实验和高温高压实验，得到了环腔内流体温度的瞬态变化过程，与安注流速和环腔流速的关系，证明了含气率对瞬态温度的变化影响较小。
C. decrease due to negative reactivity addition from the void coefficient only.
C。减小，因为仅增加自於空泡系的负反应
Water-cut/void-fraction analyzer for crude oil is based on the principle that the intensity of a certain low-energy gamma ray that passes through a medium varies with the components of the medium and their ratio as well as with the medium's mass-absorbing coefficient and density.
原油含水含气分析仪是利用介质对某一低能γ射线的吸收而引起强度的变化，与介质的质量吸收系数和密度有关外，还与组成介质的成份和各种成份所占的比例有关。
Based on the discussion on calculation of diffuse coefficient D and boundary treatment of mathematical model for the void diffusion, this paper, using random theory, set up diffuse models with different boundary conditions. And original diffusion coefficient D was replaced by λ and ξ.
本文在讨论空位扩散数学模型的参数计算及边壁处理的基础上，从随机理论着手，推导出了带边界条件的扩散模型，同时，用λ、ξ两个参数代替了原来的扩散系数D。
For the sound absorption properties, the influence of target void ratio, the sizes of aggregate and the thickness of porous concrete to sound absorption coefficient and arithmetic mean of the absorption coefficients have been studied too.
在吸声性能方面，本论文初步探讨了多孔混凝土在不同空隙率，不同集料级配、不同试件厚度以及人工孔隙的条件下，其不同频率的吸声系数变化规律和综合平均吸声系数变化规律。
As the solution concentration increases, its parameters such as mass, specific gravity of soil particles, liquid limit, plastic limit, plasticity index, coefficient of compressibility a1-2 have increased, void has decreased, when the soil samples eroded by NaOH.
NaOH溶液侵蚀的土样，随着溶液浓度增加，土样的质量、比重、液限、塑限、塑性指数、压缩系数a1-2均有增加，孔隙比降低。
Pointed out by the impact of water content, soil samples of silty clay void ratio, coefficient compressibility, modulus of compressibility, cohesion intercept and other indicators of physical and mechanical properties have changed resulting in project pile traits change.
指出受含水量的影响，粉粘土土样的孔隙比、压缩系数、压缩模量、粘聚力等物理力学性质指标发生了变化，导致桩的工程性状发生变化。
The sensitivity of one-dimension consolidation degree to the uncertainty of seepage coefficient, void ratio and compression coefficient is analyzed, then, the reliability of percent consolidation is analyzed with JC method and the steps of calculation are presented.
分析了固结度对渗透系数、孔隙比和压缩系数三个参数不确定性的敏感性。利用JC法分析了一维固结度的可靠性，通过实例验证用所给的迭代步骤，计算结果收敛很快。
For these two mixed soil samples, BBM model applies to strain hardening. For strain softening, it should amends by adding the coefficient about void ratio and stress sate, or select constitutive model which takes the strain softening into account.
对于两混合土土样，BBM模型适用于应变硬化的情况，对于应变软化的情况，则应通过加入考虑孔隙比和应力状态的系数对其进行修正或者选取考虑应变软化的非饱和本构模型。
Based on ultrasonic echo method, the relation between ultrasonic attenuation coefficient and the amplitude of surface as well as bottom echo wave was studied, and portable ultrasonic inspecting system for void content of CFRP was constructed.
以超声反射法为基础，研究了超声衰减系数与材料表面和底面回波幅值之间的数学关系，构建了碳纤维复合材料孔隙率检测便携式超声系统。
Several of the focuses of CFD model in packed-bed reactors were studied, namely, the momentum exchange coefficient, the capillary pressure and the void fraction.
近年来填充床反应器CFD数学模型韵几个研究重点是动量交换系数、毛细管压力以及床层空隙率的非均匀分布性。
The second section discribes the laws of coefficient of consolidation variation with pressure or void ratio.
其次，研究了固结系数随固结压力、孔隙比的变化规律。
Through tests the change rule of unconfined compressive strength, deformation, failure type, effective cohesion, deformation coefficient, structure failure stress, iso-compression coefficient and void ratio with cement content and curing time were make clear.
通过试验明确了固化淤泥的强度、变形、破坏模式、抗剪强度参数、变形系数、结构屈服应力、等向压缩系数、固化淤泥孔隙比等指标随水泥量和龄期的变化规律。
The oxygen transfer coefficient is bigger relatively because of its big void rate and specific surface area.
该填料因具有较大孔隙率和比表面积且结构呈针状，对大气泡可有效切割，氧传递系数较大。