1) degassing
[英][di:'gæs] [美][di'gæs]
散气
1.
The preliminary research on the degassing velocity of container fumigation with methyl bromide;
集装箱溴甲烷熏蒸散气速率的初步研究
3) toxic gas diffusion
毒气扩散
1.
Based on the fact of the toxic gas diffusion from gas explosion, Gaussian puff model was improved, and the formula in accord with the diffusion rule of toxic gas from gas explosion in mines was set up.
针对瓦斯爆炸事故毒气扩散实际情况对高斯烟团模型进行改进,得出了适合井下瓦斯爆炸事故毒气扩散规律的公式,并对公式中的扩散参数进行了修正。
4) moisture diffusion
湿气扩散
1.
In this article the studies on moisture diffusion process, hygroscopic stresses and moisture-induced vapor pressure are reviewed, with the emphasis on the theoretical analysis, parameter characterization and its experimental measurement and validation, as well as the finite element simulation.
微电子塑料封装中常用的聚合物材料因易于吸收周围环境中的湿气而对器件本身的可靠性带来很大影响,本文回顾了封装材料中湿气扩散、湿应力及蒸汽压力的产生这3个互相联系过程的研究情况,从理论分析、特征参数描述及其实验测定、有限元模拟分析的角度来分别予以介绍。
2.
This paper analyzes rules of moisture diffusion in PBGA and PQFP packages and influence of temperature during dry baking using finite element analysis models.
文章针对实际的PBGA和PQFP器件,利用有限元模型分析了烘烤过程中湿气扩散随时间变化的规律,以及温度对烘烤效果的影响。
5) heavy gas dispersion
重气扩散
1.
The feasibility to simulate the accidental leaked heavy gas dispersion in atmosphere by salt water experimental method is analyzed according to the similarity theory.
采用缩比模型的盐水模拟实验,对重气在大气中的扩散速度及浓度变化进行了分析,证实了重气扩散过程中的重力沉降、密度分层以及近源区分叉等现象。
2.
The forward finite difference and Newton iterance are used in the light of box model and other heavy gas dispersion models, such as IIT Heavy Gas Models and virtual point source model, to solve the differential equations of controlling heavy gas cl.
文中从控制重气云团扩散行为的微分方程入手 ,根据箱模型(boxmodel)及其他一些重气扩散模型 ,如IITHeavyGasModels模型和虚点源模型 ,采用向前插分和牛顿迭代的方法 ,针对ThorneyIslandTrialNo 。
3.
A Virtue Instrument(Ⅵ)on the heavy gas dispersion was designed and constructed based on the forming causes, the physical properties and the dispersion processes of varies heavy gases,by utilizing the developed data bases,or the numeric controllers written on theⅥinterface manually for the characteristic parameters.
本研究设计构建的重气扩散虚拟仪器,针对不同重气成因、物理属性和扩散过程,通过调用成果数据库或在用户界面控件上手动写入来设置特征参数。
6) atmospheric scattering
大气散射
1.
Based on atmospheric scattering theory,color science,atmospheric environmental monitoring and urban air quality daily reports and other related principles,the negative correlation between air bule saturation and urban air quality level was proved with the theoretical analysis and empirical research.
以大气散射理论为基础,结合颜色学、大气环境监测及城市空气质量日报等相关原理,从理论分析与实证研究2个方面证实了天空蓝色饱和程度与城市空气质量等级之间存在着显著的负相关性,即:天空蓝色饱和程度越低,空气污染等级越高,空气质量状况越差;天空蓝色饱和程度越高,空气污染等级较低,空气质量状况越好;通过相关及回归分析与检验,制得“城市空气质量等级目测色卡”,适用于晴朗天气肉眼观察天空颜色,进而目测估计空气质量等级状况,以采取必要防护措施。
2.
According to the transmission model,atmospheric transmission attenuation,atmospheric scattering attenuation and inverse ration of square distance attenuation are the three main factors leading to the power attenuation with the distance increase.
模型表明:大气传输中的两次斜向传输引入的大气透射比衰减,大气散射衰减和距离平方反比衰减是导致接收光功率随距离增加迅速衰减的主要因素。
3.
It is necessary to detect the atmospheric scattering laser in some situation.
得到激光大气散射辐照度随离轴距离的增大近似按反比规律缓慢下降、能见度仅影响散射强度的大小而不影响散射强度的分布等特征。
补充资料：散气
1.指从某种原质中放散出来的气体。 2.出气，发泄怨愤之气。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条