In this article a calculation formula for fiber volume fraction of hybrid fibers was deduced, four linear was designed though changed the hybrid ratio and the tensile properties was studied.
本文探索了混杂纤维复合材料体积含量的计算方法，通过改变混杂比设计了四种线型并对复合材料拉伸性能进行研究，观察断口形貌，分析其断裂机理。
The birefringence phase shift was observed to vary with ethanol vapor volume fraction in a sub-linear way.
测量了信号变化的时间演变特性，典型的上升和下降时间常数分别为3 min和12 min。
The main research results are obtained as follows:(1) To understand the rheological properties of cohesive sediment, a linear gravity wave theory over Maxwell fluids of finite depth is presented, and a model to solve viscoelastic parameters by Genetic Algorithm and a pseudo-plastic model are developed; (2) A coupled numerical hydrodynamic model for wind waves and currents is developed, and a numerical model for multi-fraction fine sediment transport under combined action of wind, wave and current is developed; (3) Theoretical models for sediment suspension due to waves and combined waves and current are developed, and an analytical solution for sediment suspension due to waves and a semi-analytical solution for sediment suspension due to combined waves and current are obtained; (4) The Lattice Boltzmann Method is used to study the cohesive sediment transport due to combined waves and current, and simulation of wave boundary layer, combined wave and current boundary layer, and cohesive flocs settling in still and turbulent water are carried out.
其主要研究内容和取得的成果有：（1）为了了解粘性泥沙的流变规律，建立了有限深度Maxwell 粘弹性流体上线性重力波理论，并针对影响泥沙运动特性的流变特性进行研究，建立了利用遗传算法求解淤泥粘弹性参数的模式和泥床伪塑性体模型；（2）建立了近岸风浪与水流运动模拟的耦合水动力数值模型和风、浪、流共同作用下多组分细颗粒泥沙模拟的数学模型；（3）建立了波浪及波流共同作用下悬沙分布理论模型，得到了波浪作用下悬沙分布的解析解和波流共同作用下悬沙分布的半解析解；（4）将格子玻尔兹曼方法引入到波流共同作用下粘性泥沙运动的研究中，利用LBM对波浪边界层、波流边界层和粘性泥沙絮团的静水沉降和在水流中的沉降进行了模拟，为从微观角度研究波流边界层运动和粘性泥沙运动开辟了新的思路。
It was discovered that both the TS fraction and PI fraction of modified pitches from the same pressed system had good linear relationships with the above pitch properties.
发现同一压力体系中所得沥青TS组分和PI组分与三种性能参数之间存在良好的线性关系；不同压力体系导致沥青软化点波动较大，而焦化值变化相对较小。
The results showed that the reaction conditions were volume fraction 1:1, volume 3 ml, temperature 25℃, operation time 30 min, there was linear over the range of 2-10 μ g/ml, the rate of recovery of the total phenol content ranged from 89.5% to 96.5%, the variation coefficient was 2.14%.
建立了以没食子酸为标准品，福林法测定藕节中总酚的适宜方法，研究结果表明，最适反应条件为：福林试剂与10％Na_2CO_3 1：1，体积为3ml，反应温度为25℃，反应时间为30 min。
It includes the following chapters: o Introduction to MATLAB o Root Approximations and Partial Fraction Expansion o Sinusoids and Complex Numbers o Matrices and Determinants o Review of Differential Equations o Power Series o Linear and Parabolic Regression o Solution of
它包括以下各章：o MATLAB o 根近似值的介绍并且部分分数展开 o Sinusoids 和复数o 矩阵和决定因素o 回顾的线的微分方程o幂级数o 和抛物线回归o 解决办法
A kinetics model for martensitic transformation is established based on the fact that the partial derivative of martensitic fraction with respect to temperature is in linear relationship with the partial derivative of free energy difference with respect to temperature.
基于马氏体体积分数对温度偏微分与自由能差对温度偏微分呈线性关系的事实，通过对实验曲线的模拟，提出一种新的马氏体相变动力学公式。
The in vivo and in vitro correlation of the LDP SRT was evaluated by Loo-Rigelman method and deconvolution method. The linear correlation between the fraction of absorption in vivo and the dissolution rate in vitro has been proved.
采用Loo-Rigelman法和反卷积分法，对LDP缓释片的体、内外相关性进行评价，结果表明LDP缓释片体内吸收与体外释放有良好的直线回归关系，释放度测定方法合理。
Linear programming problems, some of the best solution may be a fraction or decimal, but for some specific...
在线性规划问题中，有些最优解可能是分数或小数，但对于某些具体。。。
With the statistical analysis for Linear Congruential Method and decimal fraction Method, the, good capability of later can be affirmed.
本文总结了几种历史上有影响的模拟随机数发生方法，并对线性同余法和取小数法进行了统计比较，从而肯定了取小数法的优良性能。
The AA/PEDOT film deposited device exhibited nonlinear behavior to HCl gas at a lower volume fraction(20—60 μL/L) and linear response behavior at a higher gas concentration was observed.
在较小气体体积分数范围(20～60 μL/L)内，AA/PEDOT多层有序膜对气体表现出非线性响应特性，而在较高浓度范围内则表现出线性响应特性。
The results show that the mean length of DNA fragments increase as dose decreases; the fraction of linear and open circle DNA molecules increase as dose decreases; lithium particles cause strong relative biological effects than α particles.
实验结果表明：DNA碎片的平均长度随剂量的增大逐渐减小；线性和开环的DNA分子所占的比例随着剂量的增大逐渐增多；7Li离子比α粒子具有更强的相对生物学效应。
The results show that the gel fraction and the relative number of crosslinking bonds of proepllant increase with the aging period and aging temperature, and have a fairly good linear relationship to ultimate tensile strength of HTPB propellant. During storage aging, the relative change ratio of gel fraction and relative number of crosslinking bonds of HTPB propellant contained bonding-antiaging additives are both lower than its of propellant containing antioxidant H, the results show that bonding-antiaging additives can even more effectivelly decrease aging reaction rate of propellant.
结果表明，推进剂凝胶百分数和相对交联密度随贮存老化时间的延长和老化温度的升高而增大，且与推进剂最大抗拉强度呈现出较好的线性相关性；含键合型防老添加剂的推进剂凝胶百分数和相对交联密度在老化过程中的相对变化率均小于含防老剂H的推进剂，这表明它们比防老剂H更能有效地降低推进剂老化反应的速率。
This process reduced the electric resistance up 80℃. And the system of composite coincide the linear relation of conductivity with volumn fraction.
层积模型对复合材料体系的拟合结果较好地符合了电导率与体积分数之间的线性关系。
Till now, there are a lot of generators such as the classical Fibonacci method, mid-square method, linear congruential method, feedback shift register method and combined method; the recent nonlinear congruential method, decimal fraction method, add-with-carry and substract-with-borrow methods, generalized feedback shift register method and MT method, and so on.
至今关于随机数发生器有很多的理论和方法，其中除了传统的Fibonacci法、平方取中法、线性同余法、位移寄存器法和组合方法；最近还有非线性同余法、取小数法、进位加和错位减法、广义反馈位移寄存器法和MT法等等。
A small fraction of bacterial chromosomes (such as those in Streptomyces and Borrelia) is linear and possess telomeres, which are very different from those of the eukaryotic chromosomes in structure and functions.
一小部分细菌的染色体（如链霉菌属和疏螺旋体属细菌的染色体）是线性的并且具有端粒，但是它们的端粒与其他的真核生物的端粒在结构和功能上有很大的区别。
The volume fraction of the inlet stream was defined as the area coefficient of linear grill.
通过风幕流入的空气的容积分数取为蜂窝板的面积系数。
Under isocratic elution conditions with aquo _ methanol mobile phases, the plots of logarithmic capacity factor of porcine insulin versus the volume fraction of the organic solvent modifier are highly linear.
当以甲醇溶液为流动相时，猪胰岛素保留因子的对数值随流动相有机溶剂体积分数的变化呈现很好的线性关系。
A novel linear CCD drive circuit based on embeded MCU is proposed, and liquid quality fraction detection system is elaborated, which is composed of CCD analog output signal acquisition.
设计了一种新颖的基于嵌入式单片机的线阵CCD驱动电路、CCD输出模拟信号采集为一体的溶液质量分数检测系统。
There was a linear relationship between the DMFvolume fraction needed for complete decomplexation and the hydroxyl content inPS.
我们用XPS，ToF-SIMS和AFM来研究PS／PVPy—L共混物在不相容—相容转变过程中的表面组成，结构和形态的变化。