分布规律

In the situation, this paper brought up the risk analysis and evaluation method on the basis of intelligent control and network communication technology for Network Communication System. The risk analysis and evaluation of Network Communication System firstly discussed the character of network communication and its risk. At the following we estimate a risk evaluation model according the distribution of the systems risk by time and space. Otherwise, we combined Fuzzy Comprehensive Evaluation with Analytic Hierarchy Process, and set up the multi-grade fuzzy comprehensive evaluation model for Network Communication System.

该方案主要通过讨论网络通信系统及其风险的特性，根据风险的时间和空间分布规律，以"风险"为整个网络通信系统安全模型的评估和分析对象，确立网络通信系统风险分布的量化评估模型，同时，就不同区域和不同时段的风险通过引入层次分析的一般方法来确定它们的权重系数，最后，通过模糊综合评判法则对系统中模糊不确定性因素进行数学化的抽象，建立一个反映其本质特征和动态过程的理想化的数学评估模型。

On the basis of our research on Stellera chamaejasme L. and the literatures, the spectral and structural characteristics, the stereochemical researching methods, the distribution in the 3 subtribes of Thymeleaceae and chemotaxonomy of biflavonoids were concluded. We found that biflavonoids played a very important role in the chemotaxonomy of Thymelaeaceous plants.

通过对瑞香狼毒中双黄酮类化合物的研究，结合文献，总结了瑞香科中双黄酮类化合物的结构特点、波谱规律和立体化学研究方法；同时对双黄酮类化合物在瑞香科植物中的分布规律进行了总结，发现双黄酮类化合物在瑞香科的植物化学分类学方面具有重要作用。

We, in this paper, combined the finite elements analysis with space similar material analogy test, studied the stability of the un-supported enclosing rock section during the comprehensive operation construction of the vertical coal shafts, analyzed the distribution laws of enclosing rock strain and surface radial displacement, hereby studying the un-supported height influence upon the enclosing rock.

本文将有限元分析和空间相似材料模拟试验相结合。对煤矿立井应用混合作业方式施工时未支护段围岩稳定性进行了研究，分析了围岩应力及表面径向位移的分布规律，研究了围岩失稳形式及失稳规律，并由此研究了未支护段高度对围岩稳定性的影响。

So, it distributes an important meaning that defining more overall analysis targets, seeking more accurate statistical distributions in the field of column base rule of development and security caused by the displacement of building.

因此，在柱基位移分析定义更全面的分析指标、寻求各指标的统计分布规律对于认识柱基位移的发展规律以及建筑物的安全性控制就具有了重要的意义。

Directed at complete study on the law of the overlying strata and the characteristics of stress distribution on mining in steeply dipping seams,this paper is focused on research on the law of overlying strata and the stress variation characteristics by simulating the exploitation of the fully mechanized coal mining face in steeply dipping seam of Xinzhuangzi mine.

为了全面研究大倾角煤层开采上覆岩层垮落特征和围岩应力分布规律，运用相似材料模拟新庄孜矿大倾角综采工作面的开采，研究开采后大倾角工作面上覆岩层移动规律及应力变化特征。

Objective:The aim of the experiment is to search for the regulation that the hepatic stem cells abnormally differentiate into cancer cells. In the experiment,the variating regulation of PCNA,c-kit and c-myc in the formation and development of HCC will be interpreted with immunohistochemistry and RT-PCR. So,the initial mechanism that hepatic stem cells abnormally differentiate into cancer cells from the levels of cell,protein and gene will be clarified. The last,the inhibition to HCC with ulinastain will be studied,from which,a new way of clinical prevention and treatment for HCC will expect to be explored.

二、目的本实验旨在探讨以卵圆细胞为代表的肝干细胞在HCC发生、发展过程中在肝组织内分布规律，并通过免疫组化、RT-PCR等技术阐明PCNA、c-kit、c-myc在HCC发生、发展过程中的动态演变规律，从细胞、蛋白、基因三个水平初步研究卵圆细胞向癌细胞异常分化的机制，同时观察乌司他丁对HCC发生、发展的抑制作用，为肝癌的临床预防和治疗探索新的途径。

The flowfield numerical simulation of the axisymmetric jet emanating fromthe organ-pipe nozzle is made with the turbulence κ—ε two equations model, providing the basis for improving its cleaning ability.

采用湍流κ-ε二方程模型对风琴管式喷嘴内外流场进行数值模拟，弄清其流场的流动特性（轴向速度、径向速度的分布规律和衰减规律），为提高清除岩屑效率提供依据。

The research result cannot satisfy the need of engineering design.In this paper, according to practical liquid differential equation ,allowing for moving rule and characteristic of moving field of vertical vortex , simplifying N-S equation, I have studied the discipline of condition, velocity and pressure of vertical vortex and analyzed some theory solutions such as plain vortex solution and solution in axial direction.

本文从实际流体运动微分方程出发，结合立轴旋涡运动规律和流场特征，采用对称恒定性假设，简化N—S方程，研究了立轴旋涡的水流流态、速度与压力的分布规律，分析了若干理论解，如平面螺旋流解、轴向流解等。

Abundant of VST, CPT, DMT tests data and the finite element analysis result are applied to get the distribution and increasing rule of strength of silt in consolidation process. The relation between the strength and depth is linear before and after consolidation. The strength-increasing rates are different in different horizontal places.

通过大量的十字板剪切试验、静力触探试验和扁铲侧胀试验，并结合有限元分析结果，研究了淤泥抗剪强度的分布规律和排水固结过程中抗剪强度的增长规律，发现排水固结前后淤泥路基强度基本随深度增加线性增长，排水固结过程中水平方向的抗剪强度增长速度不同。

To study the effects on the body of animals after incorporation of 3H-TdR and its mechanism, the laws of distribution A retention and absorbed dose in blood , thymus, spleen, femur, heart, lung,kidney, liver, brain , spermary , small intestine and muscle were detected by liquid scintillation counter after 3H-TdR was injected into the tail vein of mouse; the process of dynamic incorporation of in the lymphocytic cell nucleus of blood , thymus , spleen and the nucleus of femur was monitored; the absorbed dose in the cell nucleus was estimated; the influence to RNA"s synthesizing and cell"s survival was observed using the technology of CLSM; A segment of Egr-1 gene was cloned with reverse transcriptase- polymerase chained reaction, the influence to the expression of Egr-1 gene in the spleen cells was observed.

为了探讨有机结合氚内污染对生物机体的影响及其作用机理，本课题应用均相液体闪烁测量技术研究了氚标记胸腺嘧啶核苷(~3H-TdR)经尾静脉注入小鼠机体后，在血液、脑、胸腺、心脏、肺脏、肝脏、脾脏、肾脏、小肠、睾丸、肌肉和股骨共12种组织器官的生物动力学分布规律及其吸收剂量；应用纸片法液体闪烁测量技术研究了~3H-TdR内污染在外周血、胸腺和脾脏淋巴细胞及骨髓细胞的动态滞留规律，估算了细胞核的吸收剂量；应用共聚焦显微镜观察了~3H-TdR内污染对脾细胞核酸合成及其存活率的作用，应用反转录PCR技术研究了~3H-TdR内污染对脾细胞早期生长反应基因-1(Egr-1)转录表达的影响。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐