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Two-dimensional seepage flow of free-surface over cutoff wall has been solved by conformal transformation method in this paper. By introducing the hodograph plane and utilizing Schwarz-Christoffel transform, the mapping relational formula between the physical plane Z and complex potential plane has been deduced.

对于越过截渗墙的剖面二维含自由面的渗流，应用保角变换方法求解，通过引入速度矢端平面和应用Schwarz－Christoffel变换，推导出了物理平面Z和复势平面的映射关系式。

Results One of the cDNA sequences and it's deduced amino acid sequence in deer share high homology with a group of cDNA sequences encoding ribosomal protein L27 in human,rat,Canis and mouse and their corresponding amino acid sequence respectively. It has the completed open reading frame as well.

结果 其中的一个序列在核酸及推导的氨基酸序列水平上与编码人、犬、大鼠、小鼠核蛋白体蛋白L27(ribosomal protein L27)cDNA序列和对应的氨基酸序列高度同源，并具有完整的开放阅读框架。

Basic principles of hydromechanics applied, a formula to calculate the parameter of the distributing plate is deduced.

应用流体力学基本原理，得出了形成稳定液位的分布板结构设计的计算公式。

The analytical expressions of two kinds of pulse width of ultrashort hyperbolic secant pulses were deduced,i.e.the pulse width at full width at half maximum which was used generally and the root-mean-square pulse width which was precise.

利用理论推导和数值模拟方法，给出了超短双曲正割脉冲较为严格的均方根脉冲宽度与通常使用的半高全宽脉冲宽度的解析表达式，并对两种脉冲宽度进行了比较。

The relation between the center of time gravity of the ultrashort pulse and the carrier phase was studied by using three kinds of pulses,named Gauss,Hyperbolic Secant and Lorentz pulses.The analytical expressions of the relation between them was deduced.

以Gauss、Hyperbolic Secant、Lorentz三种脉冲为例，利用理论推导和数值模拟的方法研究了载波相位对超短脉冲时间重心的影响，并给出了三种脉冲的时间重心与载波相位的解析表达式和数值模拟的图形。

Kinetics of methanol dehydration to dimethyl ether on modified kaolin catalyst was studied in an integral reactor under normal pressure. It is deduced that the surface reaction of methanol molecule adsorbed on the active site of catalyst with methanol molecule in gas phase is the rate determining step. The hyperbolic type kinetic equation r=ksbMpM2/(1+bMpM+bpE) is obtained according to the theory of langmuir even adsorption and using the R-E mechanism.

采用积分反应器，考察了常压下在改性高岭土催化剂上甲醇脱水生成二甲醚的反应动力学，根据Langmuir均匀吸附理论，采用R-E机理，推断吸附的甲醇分子与气相主体中的甲醇分子发生的表面反应为速率控制步骤，得到双曲线型动力学方程为： r= ksbMpM2 /(1+bMpM+bpE)（r为反应速率， ks为反应速率常数， bM为甲醇的吸附平衡常数， b为二甲醚和水的吸附平衡常数之和， pM、 pE分别为甲醇、二甲醚的分压）。

The wavelength and amplitude of the buckling deformation were deduced. It can be concluded that the Young's modulus of epidermis, dermis and hypodermis tissues had great effect on the wavelength and amplitude.

给出了屈曲波长和振幅的计算公式，并对结果进行了分析，可看出真皮及皮下组织的弹性模量对皱纹的波长和振幅影响较大。

Years after Giovanni Cassini discovered Iapetus in 1671, he correctly deduced that one side of the moon is white and the other dark in a pattern that some say resembles the yin-yang symbol or a tennis ball.

自1671年乔凡尼·卡西尼发现土卫8以来，他就正确指出这个卫星一面是白的一面是暗的，就像一条阴阳鱼或者一个网球。

The third way was deduced from the equation that the imaginary part of resistance is zero when it is.

通过在耦合微带谐振器对称面加电壁和磁壁法、用网络的转移矩阵计算插入损耗L法、以及滤波器谐振时回路的阻抗虚部为零的方法，推导了滤波器级间耦合系数的计算公式。

And formation of urban imago, characteristics and the five types of urban imago space frameworks are also deduced within in.

论文研究目的是建立一种城市空间信息的描述方法，为实现城市规划技术的数字化、信息化提供基础资料。

It was just a normal day of school

那只是上学的普通一天

Which is a very good reference in this issue.

这是一个在这个问题上很好的参考。