英语人>网络例句>分布规律 相关的搜索结果
网络例句

分布规律

与 分布规律 相关的网络例句 [注:此内容来源于网络,仅供参考]

In order to establish relative analysis methods and find out transfer rules and vertical distribution characteristics of heavy metals in sediments of Poyang lake,column form sampler designed by us was used in the experiments,the sediments samples from Wucheng section of the Ganjiang River in Poyang lake area were collected using adjacent water vertical spile method.

为建立鄱阳湖水域沉积物中重金属的相关研究方法,了解重金属污染物的迁移规律,并探讨底泥中重金属的垂直分布特征,采用底质柱状采样器通过临水垂直插管法采集鄱阳湖流域赣江吴城段的底质样品,利用微波消解—AS-990型原子吸收分析体系对柱状样中不同深度的样品进行重金属Cu含量的测定。

The limitations of standard atmosphere mode in describing the characteristics of middle atmosphere are discussed.

分析了标准大气模式在描述中层大气温度分布平均特性和变化规律上的局限。

Three kinds of swirl meter are used to measure the swirl in different cross section of a diesel engine cylinder on a stationary flow test bench. This paper analyses the influence on incylinder swirl measurement of the type of swirl meter, measuring position and flow distribution in-cylinder.

本文在稳流模拟试验台上,利用三种涡流计测量了不同横截面高度的缸内涡流,分析了涡流计型式及测速位置对缸内涡流转速测量结果的影响,阐述了缸内速度分布对涡流测量影响的变化规律。

Based on the data and materials collected from many years investigation over the sample plots in Daemonorops margaritae plantation in Daqingshan, Guangxi Province, this paper established a model for its stem length distribution by choosing three growth equations and using a method of twice curve fitting to describe the rule of length distribution for mother stem and sucker stem.

对广西大青山黄藤人工林固定样地进行调查和收集资料,选择Logistic、Weibull和Richards 3种理论生长方程,采用两次曲线拟合法分别描述母茎长和萌茎长结构规律,旨在建立黄藤人工林茎长分布模型。

3By illustrating the basic TCM theory of branch and root, asthenia and sthenia, asthenia accompanied with sthenia on IgA nephropathy from microcosmic and macroscopical point of view by handling the diagnostic method of TCM syndromes with fuzzy ISODATA and modularization thoughts to discuss the distribution and changing laws of TCM syndromes in IgA nephropathy.

3运用基于模块化思维的模糊ISODATA中医证候诊断方法从客观的微观、宏观方面进行本病中医证候的标本虚实、虚实夹杂之证的基本内容的研究,探讨IgA肾病的中医证候的分布和变化规律。

Vegetation indexes were calibrated according to their changing trends, and winter wheat yield estimation models were established based on the sum of vegetation index with pixel ratio and normalized difference vegetation index in different growing areas, respectively, according to their relations to wheat yields.

同时,利用植被指数变化规律对各时相植被指数进行修正,根据植被指数分布情况及其与产量的关系,分别构建了基于像元比值植被指数之和及不同长势区归一化植被指数的冬小麦估产模型。

In this thesis, three major achievements were made in theoretical study: conditions and rules for preparing nano-powders by chemical precipitation are analyzed from the point of view of thermodynamics and kinetics, the principle, standards and experimental method for the aqueous dispersion of nano-scaled metal oxide powders were proposed and verified, mathematical model of nano-filming addition of dopants by chemical coprecipitation was established. In experimental research, nm-ZnO, nm-Bi〓O〓, nm-Co〓O〓 and nm-MnO powder with spherical shape, narrow particle size distribution and small particle size were prepared successfully, highly stable and dispersive aqueous suspensoid of nm-ZnO, nm-TiO〓, nm-Co〓O〓 and nm-MnO powder were prepared successfully and surface modification on these nano-powders was also achieved, 0-3 nanocomposite ZnO varistors with nm-ZnO, nm-TiO〓and nm-MnO respectively were prepared successfully by conventional mechanical attrition, and exhibited much better electrical properties than those of conventional varistors.

综上所述,本文在理论研究方面取得了三项成果:(1)从热力学和动力学角度推导并分析了液相化学沉淀法制备纳米粉体的反应条件和规律,(2)提出了纳米氧化物的水分散体系的设计原理、规范和通用实验步骤,(3)提出了共沉淀的数学模型和计算方法;在实验方面所取得的成果有:(1)成功制备了粒度小、分布窄、形貌对称的纳米氧化锌、纳米氧化铋、纳米氧化钴和纳米氧化亚锰,(2)成功地制备了纳米氧化锌、纳米二氧化钛、纳米氧化钴和纳米氧化锰的高稳定分散悬浮液并实现了干粉体的表面改性,(3)成功地进行了纳米氧化锌、纳米二氧化钛和纳米氧化锰对压敏电阻的0—3复合掺杂实验,试样性能远优于常规压敏电阻,为实现压敏电阻的高能高压化提供了新的方法和思路。

Objective:The occur law of development of the analyses chronicity kidney wane colony Traditional Chinese Medicine proof type distributional point very correlation factors,approach his differ syndrome or symptom complex.

目的:分析职业性慢性铅中毒中医证候分布特点及其相关因素,探讨其不同证候的发生发展规律。

Plates drums of circumferntial, teletext and non-verbal-visual part of the regular distribution.

在印版滚筒的周向,图文和非图文部分不规律地分布。

Using the surface observation data and NCEP reanalysis data, spring thermal depressions in the southwest of China are classified into a local type and north-intruding type. Then the position and strength indexes are defined, the space-time distribution and numeral characteristic are analyze and their formation rules and mechanisms are studied for improving the accuracy of weather forecast. The results indicate that the thermal depressions are mostly regional and stationary.

利用地面常规观测资料和NCEP再分析资料,把我国西南地区春季出现的热低压分为本地生成型热低压和北方移入型热低压两种类型,定义了热低压的位置指数和强度指数,并以此讨论两种类型热低压的时空分布特征,对西南热低压进行定量描述以及研究其形成规律和机理,以提高天气预报的准确率。

第92/100页 首页 < ... 88 89 90 91 92 93 94 95 96 ... > 尾页
推荐网络例句

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石!

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻,也许正是在通往天国的路上,我体验着这白色的晕旋。

When you click Save, you save the file to the host′s hard disk or server, not to your own machine.

单击"保存"会将文件保存到主持人的硬盘或服务器上,而不是您自己的计算机上。