首页/ 题库 / [问答题]常用的强化或削弱物体之间辐射传热的辐射有的答案

常用的强化或削弱物体之间辐射传热的辐射有哪两种?

问答题
2022-05-08 20:47
查看答案

正确答案
改变物体表面的黑度;采用遮热板。

试题解析

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.

35儿科常用的 ORS溶液内不含:()
试分析遮热板的原理及其在削弱辐射传热中的作用。
辐射传热物体的固有特性,自然界中的一切物体均以辐射方式向空间传递能量,物体自身温度越(),辐射传递出的能量也越多。辐射传热的特点是不需要(),只有当物体的温度降到绝对零度时,物体的辐射传热现象才告终止。
根据辐射传热的理论,要强化传热过程,下列哪个说法错误()
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)()
常用布尔算符有:and、or、not等,当采用同义词进行检索时应当选用的算符是?
()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.
削弱表面辐射传热的最有效方法是(  )。[2017年真题]
增大角系数,即增加了辐射体的空间距离和角度,因此通常用增大角系数的方法来削弱辐射体间的辐射换热。()
常用的强化或削弱物体之间辐射传热的辐射有哪两种?
广告位招租WX:84302438

免费的网站请分享给朋友吧