温差

Corrosion reasons of brine preheater were analysed, including brine corrosion, stress corrosion, stray current corrosion and thermocell corrosion.

分析了盐水预热器的原因,包括盐水、应力、杂散电流电池。

One of the most important one is its comfortlessness brought by the large temperature range during a day and the unsymmetrical radiation temperature difference.

制约太阳建筑发展的一个重要因素就是其昼夜大,室内热环境不稳定,不提供一个长期舒适的生活空间。

Results Appropriate temperature, humidity, culture proportion and inoculate volume are confirmed and the growing content of polysaccharide in fruiting body can be increased by heteroauxing and zeatin.

结果找到了培养子实体的比较合适的度、湿度、光照时间、昼夜、种量、营养液比例等条件,并发现了植物激素玉米素、吲哚乙酸有加快子实体生长及增加子实体多糖含量的作用。