Drug stability in a biological fluid is a function of the storage conditions, the chemical properties of the drug, the matrix, and the container system. 生物流体(尿囊液?)药物稳定性是贮存条件,药物化学特性,基质和容器系统的函数。
The fluid flow among the fluids was not considered in fracture reservoir in the past, and only the source and sink was considered in the fluid exchange between the fracture and matrix. 以往的裂缝性油藏并没有考虑流体之间的渗流,仅仅将裂缝和基块之间的流体交换作为源和汇;
Objective: The study was conducted to determine if the mechanisms of premature rupture of the fetal membranes ( PROM) is associated with amniotic fluid ( AF) matrix metalloproteinase-9 ( MMP-9) and IL-6. 目的探讨金属基质蛋白酶-9(MMP-9)、白细胞介素-6(IL-6)在胎膜早破(PROM)孕妇羊水中的改变。
About one third of the consumed energy was due to the interaction of the swarf with the applied fluid and bond matrix, while the remaining energy was attributed to ductile plowing. 大约三分之一的能量消耗于岩屑流体与结合剂之间的作用,其余能量消耗于塑性耕犁。
There are certain relations among overburden pressure, underlying fluid pressure and matrix stress, and different understandings of how to describe or depict them in the end. 上覆岩层压力与下伏岩层中的流体压力以及岩石骨架应力之间,存在着一定的关系。
In saturated flow through a porous medium a force is exerted by the fluid on the solid matrix. The transition between supersaturated and undersaturated conditions is referred to as the saturation horizon: the level below which things begin to dissolve. 在通过多孔介质的饱和流动中,流体会对固体骨架施加力。过饱和与不饱和之间的过渡区,称为「饱和线」,在饱和线以下,碳酸钙开始溶解。
Based on the characteristics of the pressure declining, desorption, diffusion and fluid flow in the process of coalbed methane from matrix of coal seam. 针对煤层气产出过程中的降压、解吸、扩散、渗流等特点,应用非稳态解吸模型;
The microenvironment within nerve regeneration chamber contains regeneration conditioned fluid, fibrous matrix, macrophages, fibroblasts, Schwann cells and endothial cells. 神经再生室微环境包括再生条件液、纤维基质带和巨嗜细胞、成纤维细胞、雪旺细胞、内皮细胞等成份。
Some samples of sandstone and mudstone from two wells in different areas are selected to investigate the effects of pore structure, pore fluid characters and matrix on the acoustic compaction process. 选用不同地区2口井的具有代表性的不同岩性的砂岩、泥岩样品,研究孔隙结构、孔隙流体性质、岩石骨架在声波压实效应过程中所起的作用。
A dual porosity, single permeability seepage flow differential equation group is used to describe the fluid flow in fractures and matrix systems. 采用双孔隙度、单渗透率的渗流微分方程组描述裂缝系统和基质系统中流体的流动。
Evaluation results of the rheology property, viscosity breaking and hydration property, damage rate and anti-dilatation property of the fracturing fluid showed that the damage rates to induced fracture propping zone and to the matrix were 6.9% and 19.4% respectively. 通过评价该压裂液的流变性、破胶性能、伤害率和防膨性能得知,无残渣压裂液对裂缝支撑带的伤害率为6.9%,对储层基质的伤害率平均为19.4%;
When a structure vibrates in water, large amount of computation will be unavoidable if the fluid finite element method is used to calculate the added water mass matrix and damping matrix. 当结构在静水中振动时,如采用流体有限元来计算流体的附加质量和附加阻尼,势必导致解题规模过大。
Computing the Express Pore Fluid Stress of Flexible Pavement by Stiffness Matrix Method 沥青路面超孔隙水压力计算的刚度矩阵法
Pore fluids and solid/ fluid interaction can soften and harden the rock's matrix, result in the velocity dispersion and amplitude attenuation of the acoustic and elastic waves and cause the compressional wave of the second kind. 孔隙流体的存在、固体和流体之间的相互作用会弱化或硬化岩石的力学属性,从而引起声波或弹性波速度的频散和振幅的衰减,并产生第二类压缩波。
A method was presented for solving the problem of fluid stiff matrix singularity existed in the solution of the fluid structure coupling equation based on displacement ( structure) press ( fluid with free surface) formulation. 本文针对基于位移(结构)&压力(流体)格式的流固耦合方程及其引入旋转周期分析方法后表达格式在数值求解中遇到的一些问题,给出了具体的处理方法。
The boundary element method ( BEM) fot compressible fluid and the improved multi-segmental transfer matrix method of thin, elastic axisymmetric shells is employed to solve the coupled vibration of shell filled with fluid. 联合采用可压缩流体的边界元法与轴对称弹性薄壳的改进多节传递矩阵法,求解内部充液的椭球壳的耦合振动。
Changes in the volume of pore fluid or rock matrix, and 3.hydrocarbon buoyancy or liquid flowage. 孔隙流体或岩石骨架体积的变化;(3)流体流动及烃类上浮。
Effect of human hydrosalpinx fluid on secretion of matrix metalloproteinases in mouse blastocysts 人输卵管积液对小鼠胚胎基质金属蛋白酶分泌的影响
By using the solutions of the potentials, the expressions of the displacements of solid matrix, the displacements of fluid relative to the solid matrix, the stresses of the bulk material and the pore pressure can be obtained. 根据所得位移势函数的通解,可得骨架位移、流体相对骨架的位移、应力和孔压的表达式。
The basic principle of radioisotope X-ray fluorescence logging technique has been described. Some practical methods for correcting unevenness effects, drilling fluid effects and matrix effects are presented. 对放射性同位素源X荧光测井技术的井液效应、并壁不平度效应和基体效应分别提出了实用的校正技术。
; and that the fracturing fluid residue is not the major factor affecting on reservoir matrix permeability at present, while the water lock damage may account for 63.3%~ 90.7% of the total damage. 目前压裂液残渣对该气层基岩渗透率影响不是主要因素,而水锁损害占总损害的63.3%~90.7%。
The pretreatment methods of the samples included Supercritical Fluid Extraction ( SFE), Solid-phase Extraction ( SPE), Solid-phase Micro-extraction ( SPME), Matrix Solid-phase Disperse Extraction ( MSPDE) and so on. 对样品的预处理方法有超临界流体萃取法(SFE)、固相萃取法(SPE)、固相微萃取法(SPME)和基质固相分散萃取法(MSPDE)等;
The ultrastable zeolite Y fluid catalytic cracking catalyst was modified by MgO for changing the matrix structure to improve the performance of sulfur transfer. The effect of different conditions and introduction of cerium, lanthanum, phosphor on sulfur transfer was investigated. 通过考察MgO对USY型催化裂化(FCC)催化剂改性所引起的基质结构的变化,研究了不同反应条件及引入铈、镧、磷对硫转移活性的影响。
The natural frequencies of fluid in piping system are lost sometimes when the traditional transfer matrix method is used for calculation, because of the disturbance of singular point. 传统的传递矩阵法在求解管内流体的固有频率时,因奇点干扰出现漏根现象。
Micro fissure is a significant factor for determining the fluid loss in low-permeability fractured reservoir, due to its small porosity and low permeability in the matrix. 对于裂缝性低渗透储层,由于其基质孔隙度小、渗透率低,天然微裂隙成为决定压裂液滤失的主要因素。
The straight pipe elements conveying fluid are formulated using a dynamic stiffness matrix in the frequency domain. 对于输液直管可以直接用动力刚度矩阵形成直管单元,对输液曲管则混合使用了动力刚度法和传递矩阵法。
Four, the Maya plug-in unit composed by C++ language is applied to stimulate the two phase flow in real-time in accordance with the fluid represented by the sparse matrix. Finally, the whole scene is embellished and the animation is output. 继而针对稀疏矩阵所代表的点滴流形状的流体,应用C++语言编写的Maya插件,对两相流流体进行实时仿真,最后对所建立的整个场景进行渲染并输出动画。
In addition, analytical solutions of excess pore fluid stresses in flexible pavement is derived by stiffness matrix method. 此外,还利用刚度矩阵方法,推导了沥青路面超孔隙水压力问题的解析解。
Based on the iterative algorithm of Newton Raphson, the numerical approach of governing equations of fluid system is studied through combined the gauss jordan elimination with compression matrix storage technology. 根据Newton-Raphson迭代思想,结合雅克比系数矩阵的压缩存储技术,研究了基于高斯-约当消去法的流体系统控制方程组数值求解方法。