1) Salt crystal unbl
盐结晶解堵
2) tube plugging by salt crystals
盐结晶堵管
1.
Through repairing a pair of horizontally directional butted wells,the author proposes an effective process modification to solve tube plugging by salt crystals and by water insoluble in cavity,which is offered to mines for reference.
通过一对水平定向对接井的两次修井,提出了解决盐结晶堵管和溶腔水不溶物堵管事故的一种行之有效的工艺改造,值得各矿山借鉴与参考。
3) pipe plugging by crystallization
结晶堵管
4) crystal blocking
结晶堵塞
1.
Presents the structure and process flow of CO2 stripper of melamine plant,analyzes the reasons for the crystal blocking of its internal trays.
介绍三聚氰胺装置中二氧化碳汽提塔的设备结构及工艺流程,对其内部塔盘结晶堵塞的原因进行分析,通过在塔前增加闪蒸槽,彻底解决了塔盘结晶堵塞的问题。
5) sodium carbonate solubility
结晶排盐
1.
To avoid harm of sodium carbonate accumulating in circle mother liquor on alumina production,the effection of Na2OK concentration in mother liquor and removal salt temperature by crystallization on sodium carbonate solubility in evaporation mother liquor has been experimented.
为避免碳酸钠随母液循环积累给生产造成危害,对影响选矿拜耳法蒸发母液中碳酸钠溶解度的因素———母液中苛性碱浓度(以Na2OK表示)和结晶排盐温度等进行了试验研究,确定了溶液中苛性碱浓度、溶液密度与碳酸钠溶解度的对应关系。
6) salting-out crystallization
盐析结晶
1.
In order to improve the crystallization rate of KNO_3,the new process for the production of KNO_3 by salting-out crystallization method is studied e.
为提高硝酸钾结晶率,研究了采用添加盐析剂的盐析结晶法制取硝酸钾新工艺,通过盐析剂的盐析作用,硝酸钾与氯化铵在溶液中的有效浓度提高,从而使更多硝酸钾与氯化铵结晶析出,盐析剂始终在母液中循环并发生盐析作用。
补充资料：二次再结晶(见再结晶晶粒长大)
二次再结晶(见再结晶晶粒长大)
secondary recrystallization
erCI 201」le」Ing二次再结晶(seeondary reerystallization) 见再结晶晶杠长大。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条