The process of a substance changing from a solid to a gas is called ___. A. evapora
A. evaporation B. condensation C. sublimation D. precipitation 相关知识点: 试题来源: 解析 A。本题考查科学术语。evaporation 是“蒸发”,即从液体变为气体的过程;condensation 是“凝结”,从气体变为液体;sublimation 是“升华”,从固体直接变为气体;precipitation 是“降水”。反馈 收藏 ...
试题来源: 解析 A。本题考查科学概念的英文表述。“evaporation”意思是蒸发,液体变为气体的过程就是蒸发。B 选项“condensation”是凝结,是气体变为液体的过程。C 选项“precipitation”是降水。D 选项“sublimation”是升华,是固体直接变为气体的过程。反馈 收藏 ...
A. Sublimation B. Evaporation C. Condensation D. Distillation 相关知识点: 试题来源: 解析 A。固体直接变为气体的过程称为升华(Sublimation)。“Evaporation”是蒸发,指液体变为气体;“Condensation”是冷凝,气体变为液体;“Distillation”是蒸馏。本题描述的是固体到气体,所以是升华,选 A。反馈 收藏 ...
试题来源: 解析 A。解析:蒸发(evaporation)是水从液态变为气态的过程,这符合题目描述。选项B,condensation是气态变为液态的凝结过程,与题目要求不符。选项C,precipitation是降水过程,包括雨、雪等形式,不是液态到气态的转变。选项D,infiltration是入渗过程,指水渗入土壤等,和液态到气态的转变无关。
The process of water changing from a liquid to a gas is called ___. A. condensation B. evaporation C. precipitation D. sublimation 相关知识点: 试题来源: 解析 B。本题考查水循环的过程。水从液态变为气态的过程叫做蒸发。A选项凝结是气态变为液态;C选项降水是水汽凝结后落下的过程;D选项升华是固...
Process for the transformation of the gas to the water coming from the combustible materials in a gas of a smaller amount of carbon monoxideMISCH OTTO
由文章最后一句“The real solution will have to be a new kind of car,one that does not use so much gas”可知,真正的解决方案是要开发出一种新的、不需要费那么多油的汽车。即make gas—saving cars,故选C。 Task 3Directions: The following is a passage. After reading it, you are required to...
A device in connection with a pipe (1) for transformation of dispersed gas/liquid flow into laminar stratified flow. The solution involves a first set of stationary guide blades (6) being arranged in the pipe (1) and being designed to rotate the liquid/gas flow. The pipe (1) is, in ...
To produce a volatile methane-rich residue gas stream and a less volatile natural gas liquids (NGL) or liquefied petroleum gas (LPG) stream; LNG is directed in heat exchanger relation with a warmer distillation stream rising from the fra... A process and apparatus for the recovery of ethane...