查询词典 measure of dispersion

Recently, acute poisoning frequently happens which is caused by the release of chlorine in the production process,as the dense gas,chlorine dispersion model contain continuous diffusion and instantaneous dispersion, and we can separately use dense gas flat plume model and dense gas box puff model to calculate the density of the gas.

risk analysis ； dispersion ；近来，生产过程中氯气泄漏引起的急性中毒事故频繁发生，作为重气的氯气泄漏扩散分为连续扩散和瞬间扩散二种模式，并且分别应用重气云羽平板模型和重气云团盒子模型来计算重气扩散浓度。

The crack growth rate da/dt of 840D wheel web is of great dispersion,which mainly roots in dispersion of wheel load.

840D车轮辐板孔裂纹扩展速率da/dt具有很大分散性，其分散性主要来源于车轮载荷分散性，可用da/dt=Q.a(a≤35mm时)来表达，裂纹扩展参数Q代表了da/dt的分散性。

Compared with bed planting,there was higher soil water storage in wheat furrow planting field,however,there was lower dispersion of soil water storage at the same stage on 0~90 cm layer of furrow planting field and the similar dispersion of soil water sto...

从沟播和垄作麦田土壤贮水量差值的分析可以看出，沟播麦田土壤贮水量要明显高于垄作麦田，沟播的同一时期沟垄间的土壤水分差异在0 90cm土层要低于垄作的，而10 0 12 0cm土层就极其相近。

The results showed that functional nanometer ITO powders of 30-50nm size with dispersion performance can be prepared. The condition is that indium salt concentration is 88mmol/L, SnO2/In2O3 =5.3wt%, reaction solution PH value is 8, The precursor are thermally reduced at 450 ℃ under hydrogen gas ,at the sametime adding 6at.% KC1 salt to indium tin salts. Thus, satisfactory and stable dispersion of ITO particles in aqueous solution is obtained only through simple mechanical force.

KCl、反应铟盐浓度88mmol/L，掺杂比SnO_2/In_2O_3≈5.3wt%，维持PH值为8的反应条件下制备前驱体，前驱粉体在450℃，氢气气氛煅烧的条件下可生成功能性的具有很好分散性能的ITO粉末，粒径大小为30—50nm，此制备得到的粉体通过简单的机械分散可直接稳定的分散于水、醇介质，若通过分散剂处理后的分散体系可以稳定存在两个月以上。

This paper mainly analyses dispersion frequency signals time and frequency property of triangle wave modulation. Real 5mm dispersion frequency signal is collected. The theory data and real data are compared and analyzed. It shows 5mm radar forepart is practicable, it also supplies theory base to design back signal processing circuit.

主要完成了三角波调频体制下的差频信号在时域和频域两方面的特性分析，并采集了5mm波段实际的三角波调制差频波形，通过将理论值与实测值的比较分析，表明5mm样机前端部分的可靠性，为后面的信号处理电路设计作准备。

The method is deployed to process the crossed dipole data, thus to identify the types of anisotropies from the dispersion characters of fast and slow flexural waves, those types include:①the coincidence of dispersion curves of anisotropic formation;②the parallel of dispersi...

用该方法处理了某井正交偶极资料，从快、慢弯曲波的频散特性中识别出各向异性的类型：①各向同性地层频散曲线重合；②固有的各向异性地层频散曲线平行；③应力引起的各向异性地层频散曲线交叉。

Objective To investigate the effects of coronary slow flow phenomenon on Pwave dispersion and QT dispersion.

目的：探讨&正常&冠状动脉的慢血流现象对P波离散度和QT离散度的影响。

Methods measure plasma D-dimer and fibrinogen levels of 320 tumor patient and 30 normal adult,Measure plasma D-dimer levels was using Latex Agglutinative test.measure plasmafibrinogen 1evels was using semiautomatic coagulometer.

取32 0例5种常见恶性肿瘤患者和30例对照组的静脉血，采用乳胶凝集半定量法测定血浆D- dimer，采用半自动血凝仪检测Fg含量。

Finally, a new method of errors analysis (midpoint and barycentric measure method )are presented to measure the errors of surface reconstruction, strong practicability shows that this error measure method is feasible to testify the validity of surface reconstruction.

最后，本文对重建曲面进行了误差分析，提出了一种新的误差度量方法，即中点、重心误差度量法；此方法运算效率高，并在一定程度上可以衡量曲面重建效果的好坏。因此有很强的实用性。

The effective prediction space concept is established, On the base of these, this paper deduces two representations' evaluating equation, one evaluates the prediction error and the other evaluates the prediction error in limited space. First, the error transfer characteristic among subsystems at different space locations is analyzed, and the direct transfer characteristic from discrete standard measure space to the workpiece measure space under measured in measure system is proven. Second, the error reconstruction condition and method of mapping from discrete standard measurement system to continuous standard measurespace are analyzed.

分析了不同空间位置子系统间的误差传递特性，证明了在测量系统中离散标准量值空间向被测量工件量值空间的直接传递性；分析了离散标准量系统向连续量值空间映射的误差重构条件和方法；基于测量样本的有限距离的平稳性，证明了预报模型对动态测量误差的有限收敛性和预报误差的可测度性，进而证明了以离散标准量值系统对被测工件预报修正的可行性和合理性。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？