参数方程

First, the mixing rule of temperature calculation equation was modified. The content and acentric factor of second component were introduced into the interaction parameter, and a new equation of critical temperature for mixture were set up as

对状态方程的引力项混合规则进行了改进，将温度和表示物质结构的偏心因子引入引力项混合规则中的相互作用参数，建立了引力项相互作用参数表达式。

For exponential distribution, the acquired estimate expression is the same as the result obtained by other method in reference [8]; for Weibull distribution, the author prove that γ satisfies a non-linear equation and λ is afunction of y; for lognormal distribution, a iterative algorithm for parameter estimation is proposed, which is the expansion of some results in Wolynetzs Ph.D. thesis.

对指数分布，得到的估计表达式与文献[8]中使用其他方法得到的结果相同；对Weibull分布，论文证明了参数γ满足一个非线性方程，而λ则可以直接由含有γ的表达式求出；对对数正态分布，论文给出参数估计的迭代算法，这可以看成是Wolynetz博士论文结果的推广。

In the field of spaceborne remote sensing, a geometric collinearity equation of pushbroom sensor with the Kepler parameters of the satellite orbit and the attitudes of sensor has been developed. Testing the sensor model on a SPOT-5 imagery, the planimetric accuracy of object positioning is 83.392m on the ground. According to the orbital dynamical model and the kinematics model of satellite attitude, an algorithm of extrapolative location is developed. Testing the algorithm on CBERS-2 high resolution satellite imageries of central China, when the depth of extrapolation is 300km, the planimetric precision is 53.555m including the measurement errors as well as the modeling error over than the 568m which is the planimetric precision of systematic rectification.

航天遥感方面，利用6个卫星轨道开普勒参数和3个传感器姿态建立了推扫式卫星遥感影像的严格构像方程，经对一景SPOT-5影像实施无地面控制对地目标定位获得了83.392m的平面精度；根据遥感卫星的运动规律，提出了卫星轨道参数、传感器姿态和扫描侧视角的外推算法，用于资源二号卫星影像的外推对地目标定位，当外推深度达300km时，目标定位精度不低于50m。

Although the theory of water and soil loss law and the echniques of integrated soil and water conservation measure of primary geomorphy have become quite mature by scientists' effort over several decades in the world, study to water and soil loss in constructional project is slow to developed country. Among researchers, there are many opinions on the model of water and soil loss caused by constructional project because it is serious shortage of data from observation or test in construction projects.

原生地貌水土流失规律和综合治理技术措施经过几十年的研究与探索，基本形成了较为成熟的理论体系和技术措施体系，但我国对开发建设项目水土保持的研究起步较晚，对水土流失预测的概念、内容还存在着不同的理解，特别是目前开发建设项目水土流失定位观测和动态监测数据十分缺乏，水土流失预测模式中的参数缺乏实验值，都是凭经验估计或参照坡面或流域水土流失预报方程中的参数取值，由此预测出的水土流失量误差极大，从而影响到水土保持措施的优化配置。

On the basis of a lot of data from test, this paper studies the correlativity between granulometric composition and shearing strength parameter in sedimentary rock area, and that correlation equations are established in different consistence states.

作者在大量试验成果基础上，研究了某电站重力坝坝址区层状岩体中软弱夹层粒度成分和抗剪强度参数之间的相关关系，并建立了各种稠度状态下的粒度成分和抗剪强度参数间的相关方程。

In this paper,we use direct linear transformation algorithm to compute the homographic matrix between the known ground control points with equal elevation and the corresponding points on the image plane, then establish the relationships between the homographic matrix and the collinearity equations, and finally give the mathematic models for computing the intrinsic and extrinsic parameters of the aerial camera.

该方法根据单张航空像片估计伞载空中摄像机焦距及摄像机在世界坐标系中的位置和姿态角等外参数，利用直接线性变换算法求取已知等高地面控制点与对应像点之间的单应矩阵，建立了单应矩阵与共线条件方程之间的关联关系，最后根据关联关系推导出计算航空摄像机焦距、纵横比、位置和姿态角等内外参数的数学模型。

Based on the equations, a new method for the geometrical design of hypoid gears is presented.

在这组方程的基础上，提出了一种几何设计的新方法，以大轮的节锥角和节圆半径以及小轮的螺旋角这三个参数为自由变量，以准双曲面齿轮副的偏置角为中间变量，用数值求解方法能够非常方便可靠地确定节锥的参数。

The relationship between apparent equilibrium constants Kex, and the physical parameters of solvents can be derived.

考察了在不同溶剂中HDEHP对镨、钕、钐、镝、钬、镱等的萃取，计算得到萃取表观平衡常数Kex、热力学平衡常数KΘex和萃合物的溶解度参数δc，建立了lgKex与溶剂极性参数ET (30)、α间的经验方程。

In addition, Pitzer theory was used to analyze the apparent molal volumes of single and mixed electrolyte aqueous solutions. The new Pitzer equation interaction parameters were evaluated. The working equatio...

另外，运用Pitzer理论，估算了不同温度下 39个单一电解质溶液的 Pitzer体积参数；用引入Pitzer体积混合参数与离子强度的关系式得到的方程对混合电解质水溶液的表观摩尔体积进行了计算，结果比较满意。

Unitary linear regression is done between w~e、 w~ρ、 e~ρ、w_L~w_P. For α_v 、 C_ c between w、ρ、 e、 w_P in eastern China, unitary linear regression is done to silty clay as well as multivariant regression with coefficient iteration method and least-squares procedure are done to all kinds of soil, and the two results are compared. Unitary linear regression and multivariant regression are done to c_q、φ、 c_d、φ_d between e and I_P. Unitary linear regression and multivariant linear regression are done to napierian logarithm of q_u between e 、 I_L、 w_P and w_L, then the equations of regression are checked with other parameters.

对物理指标含水量～孔隙比、含水量～湿密度、孔隙比～湿密度、液限～塑限作了一元线性回归；对华东地区粉质粘土的压缩系数、压缩指数和含水量、湿密度、孔隙比及塑性指数作了一元线性回归；对华东地区所有土类的压缩系数、压缩指数和物理性质参数用系数迭代法和最小二乘法作了多元线性和非线性回归，并对两种方法得到的回归结果作了比较；作了快剪强度指标和固结快剪强度指标关于孔隙比和塑性指数的一元线性回归和多元线性及非线性回归；对无侧限抗压强度的自然对数值和孔隙比、液性指数、液限及塑限作了一元和多元线性回归，并用其它工程的参数对回归方程进行了检验。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。