分布规律

During the years of 2 041 ～ 2 049 ,the Korean pine broad-leaved forest would become the climax forest community in this area,with an area around 13 120 ～ 13 242 hm2 if taking selective cutting as the prevailing harvesting method.

这种地带性顶极群落在未来的森林经营利用中能否存在，许多学者进行了专门的研究。徐化成等[24]对红松阔叶林的特点、分布规律、动态、经营措施等进行了详细的研究，为红松阔叶林的经营利

The paper includes:The author calculate the structures inner force and displacement of the free end , analyze the influence of the height and the value of pretress of cable by making use of ANSYS 9.0 soft, pose the concept of critical prestress,conclude the function relation between displacement of the free end, initial strain and the height of cable ,analyze the dynamic properity and point out that Newmark-β method should be adopted when we analyze the dynamic properity of the cable-stayed spatial structure with direct integral test to guarantee the contribution of high mode,finally conclude the functional relation among coefficient of earthquake inner force, initial strain and the height of cable, wish to get some helpful conclusion applied to cable-stayed spatial truss design.

本文系统介绍了斜拉空间桁架竖向地震反应的分析理论与方法、详细分析了斜拉空间桁架结构在静力和竖向地震作用下的受力性能，主要内容包括：利用通用有限元软件ANSYS9.0计算了斜拉空间桁架在静力和竖向地震作用下内力及自由端位移分布规律并得出地震内力系数与节间位置、预应力以及斜拉索高度之间的函数关系；详细分析了斜拉索中施加的预应力以及斜拉索高度的变化对于该种结构内力及自由端位移的影响并提出了斜拉空间桁架的临界预应变概念，进而得到了自由端位移与初始预应变以及斜拉索高度的函数关系，即：△=-(40h+2180)ε+9.8；分析了该种结构的动力性能，并指出：在时域内采用直接积分法计算该种结构的动力响应时，应该考虑采用不引起振幅率减小的Newmark-β法，以保证高阶模态响应的贡献仍然保留在响应中而不致于被忽略。

Recovery factor is defined to reflect the recovery effect of air compressure and is measured along the heat transfer surface with different nozzle-to-plate spacing and jet velocity at nozzle exit.

以恢复系数来表示因气体压缩性而引起的恢复效应影响，测量其在传热表面的分布规律以及射流喷射间距和射流出口速度等对恢复系数的综合影响。

Through the purification and study of the North China type Permo-Carboniferous biostratigraphic units of Henan Province, 5 fusulinid and 4 conodont biostratigraphic units are collated and stipulated on the basis of the distribution of the fossils in the main section and the Stratigraphic Guide.

通过对河南省华北型石炭纪—二叠纪生物地层单位的清理与研究，根据和牙形石在主干剖面上的纵、横向分布规律，依据地层指南，共厘定出 5个类和 4个牙形石生物地层单位。

The thermal deformation of Nd∶YAG laser which side face is isothermal or constant coefficient of heat conduction was studied.

用有限元方法研究了端面抽运Nd∶YAG激光器中激光晶体的温度和端面热形变分布规律。

This paper used commerce software FLUENTS to implement numerical simulated compute because it could in more detail and comprehensive open out the distribution laws of the flow field in the channel and in the holes and the experimental results had been consummately enlarged. At last, the experimental results were contrasted and analyzed with the computational ones.

本文还利用商业软件FLUENT5进行了数值模拟计算，数值计算可以更详细更全面地展现通道内以及孔内流场的分布规律，更加丰富和完善了实验测量结果，并将实验结果和数值计算结果进行了对比分析。

Keywords Ordovician;storage space;fluid corridor;fracture-cavern unit;principle;continuity

奥陶系；存储空间；流动通道；缝洞单元；分布规律；连通性

This study,based on the experiments and data analysis of 10 core sediment sample taken in March,2008,carries out research on current water eutrophication and analyzed the limitative factor of current Baihua Lake eutrophication and proposes the rational disposal measures according to the present condition of eutrophication.

本研究基于对2008年3月所采集样品(10个采样点三个层面)的实验分析与数据总结，对百花湖的富营养化现状进行了研究，指出了当前百花湖富营养化的限制因子；对沉积物中磷的化学形态进行分析研究，指出了磷形态的分布规律；同时针对目前富营养化现状，提出合理性治理措施。

Purpose: To investigate the expression and distribution characteristics of growth factors and their receptors in normal cornea and limbus.

目的：探讨各种生长因子及其受体在正常角膜和角膜缘的表达及分布规律。

Such distribution rules correlatively with velocity as energy, momentum, frequency and wavelength, are the key point of this study paper as well as the differece from other literatures.

与速度有关的能量、动量、频率和波长等各种物理量的分布规律的讨论是本文的重点，也是本文区别于其它文献的特点。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。