扩散系数 -题库考试答案搜索网

扩散系数

名词解释题

2021-12-24 02:04

查看答案

正确答案

是物质的一种传递性质，其值受温度、压强和混合物中组分浓度的影响，同一组分在不同的混合物中其扩散系数也不一样。

试题解析

标签：化工原理化学工程

感兴趣题目

试分析离子晶体中，阴离子扩散系数－般都小于阳离子扩散系数的原因。

试分析离子晶体中，阴离子扩散系数－般都小于阳离子扩散系数的原因？

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

（）are liable to be stoten, pilfered or may damaged due to improper handing or stowage.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

相关题目: boost的意思是:help or encourage to increase or improve; eloquent的意思是:fluent or persuasive in speaking or writing; A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.; 在（）的条件下，对流热扩散系数与对流质扩散系数存在简单换算关系。; Logistic回归系数与优势比OR的关系为（）。; Mainly east 3 or 4 partly cloudy to overcast occasional rain（）slowly south moderate or good.; （）any case or suspected case of quarantinable disease，or any case of eruptive disease or any death be discovered，the local quarantine officer must be notified immediately．; Should any case or suspected case of quarantinable disease，or any case of eruptive disease or any death be discovered，the local Quarantine Officer must be（）immediately.; Masters are（）solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.; 系统中雷达状态包括Unknown、Operational（or ON）、Failed（or OFF）、Detached。; The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire，（）the claimant proves that the fire arose from fault or neglect on the part of the carrier，his servants or agents.; Shutdown price（or point，or rule）停业价格（或停业点、停业原则）; 翻译：With Average or With Particular Average（WA or WPA）（）; 在某种材料中，某种粒子的晶界扩散系数与体积扩散系数分别为Dgb=2.00×10^-10exp（-19100/T）和Dv=1.00×10^-4exp（-38200/T），是求晶界扩散系数和体积扩散系数分别在什么温度范围内占优势？; 晶体的表面扩散系数Ds、界面扩散系数Dg和体积扩散系数Db之间存在（）的关系。; 扩散系数表示物质分子的扩散能力，它是物质的（）性质之一。; 扩散系数D是描述扩散速度的重要物理量，D值越大则扩散越慢。（）; 表面扩散系数Ds，界面扩散系数Dg，晶格扩散系Db的关系是（）; 晶体的表面扩散系数Ds、界面扩散系数Dg和体积扩散系数Db之间存在（）的关系。; （）shall be liable for loss of and damage to the Vessel and／or goods arising or resulting from inaccuracies in stating the description，quantity，weight，measurement or contents.

广告位招租WX:84302438

题库考试答案搜索网

免费的网站请分享给朋友吧