When the relative humidity in the atmosphere reaches and exceeds 100%, cloud or fog formation begins to occur.
当大气中的相对湿度达到和超过100%时，云或雾开始形成。
The solution effect of sulphite in the process of developer fog formation was Investigated by electron microscopy.
本文用电子显微镜方法研究了亚硫酸钠溶解作用对显影灰雾形成过程的影响。
The presence of clouds at night can also prevent fog formation of this type, because they trap the earth's heat, not allowing the cooling of the air for condensation.
在场的云层在夜间也能防止耐污型形成这一点，因为他们的陷阱地球的热量，不允许用于冷却空气的凝结。
The results showed that longwave radiative cooling is very important for the formation of the fog in addiation to steady atmospheric stratification and plenty of moisture.
结果表明：形成大雾的主要原因是大气层结稳定，水汽充沛，地面的长波辐射冷却；
In addition, the ink will be charged with the fog dispersed, the formation of the serious pollution of the printing and printing environment.
另外，油墨还会因带电而雾散，形成对印刷品和印刷环境的严重污染。
As proved by the experiments, a number of free electrons and holes are existed in the unexposed silver halide emulsion micro-crystals. These factors are all essential to the fog center formation.
实验表明，在未经光照的卤化银乳剂微晶体中存在着一定量的自由电子和空穴，这些因素为灰雾中心的形成提供了必要的条件。
The results, especially in simulating the formation and dissipation of the fog, are coincident with the actual situation.
模拟的结果与实况十分相近，特别是雾出现和消散的时间。
The results, especially in simulating the formation and dissipation of the fog, are coincident with the actual situation.
模拟的结果与实况十分相近，特别是雾出现和消散的时间。
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