The process of a substance changing from a solid to a gas is called ___. A. evaporation B. sublimation C. condensation D. deposition 相关知识点: 试题来源: 解析 B。sublimation 是物质从固态直接变为气态的过程,叫升华;evaporation 是蒸发,通常是指液体变为气体;condensation 是冷凝,是气体变为液体...
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 ...
Process to convert synthesis gas to olefins using a bifunctional chromium/zinc oxide-SAPO-34 catalystA process for preparing Cto Colefins includes introducing... DLS Nieskens,AC Sandikci,PE Groenendijk,... 被引量: 0发表: 2020年 HIGH FLUX SAPO-34 MEMBRANES FOR CO2/CH4 SEPARATION AND TEMPLATE ...
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 process for converting solid wastes to gases suitable for use as a town gas comprising the steps of (1) pyrolyzing solid wastes at 550. degree. C. or higher in a pyrolyzing furnace to produce pyrolysis gases containing hydrogen, carbon monoxide and dioxide, methane and other hydrocarbons...
Process to convert synthesis gas to olefins over a 专利名称：Process to convert synthesis gas to olefins over a bifunctional chromium oxide/zinc oxide-SAPO-34 catalyst 发明人：Davy Nieskens,Aysegul Ciftci Sandikci,Peter E. Groenendijk,Andrzej Malek 申请号：US15769871 申请日：20160907 公开号：US...
The device (100) for dissolving the gas in the liquid includes gas injection means (14) for introducing gas into the liquid and a contact chamber (20) for containing a downflowing stream of the liquid to be treated. The pressure within the downflowing stream increases as it descends and at...
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。
aDuring the grinding process, if we increase the hot gas inlet to the system from the rotary burner unit, the energy requirement of the system to dry the raw materials entering the system is reduced 在研的过程期间,如果我们增加热的气体入口对系统从回转炉单位,系统的能量需要烘干进入系统的原材料...