1) mechanism of salt pollution
盐污染机理
2) pollution mechanism
污染机理
1.
In this paper the leach characters of city refuse on the earth surface is studied by means of experiments,and the law of leach variety and pollution mechanism in underground environment are analyzed too.
应用实验的方法,研究了城市垃圾在地表淋滤条件下其淋滤液的成分变化特征,分析其变化的规律以及对地下环境的污染机理。
2.
The characteristics of leaches of solid wastes from the earth surface,the law of leaches change and pollution mechanism on underground environment are studied by means of experiments.
应用实验的方法,研究了固体废物在地表淋滤条件下其淋滤液的成分变化特征,分析其变化的规律以及对地下环境的污染机理。
3.
The reasearch of water environment and pollution mechanism has shown the hydrologic geological conditions in this area made the pollutants infiltrate easily,the agricultural pollution and the rubbishes and feces in countryside were the main reasons for the groundwater pollution.
对本地区的水环境及污染机理研究得出,水文地质条件使污染物容易入渗,农业污染及农村粪便、垃圾是地下水受到广泛污染的主要因素,地下水的过量开采加速了地下水的污染进程。
3) Mechanism
[英]['mekənɪzəm] [美]['mɛkə'nɪzəm]
污染机理
1.
Mechanism and Condition of Agricultural Non-point Source Pollution;
农业面源污染发生条件与污染机理
2.
Analysis of contaminants in water produced from formation with polymer flooding and the mechanism of their damage to formation;
回注聚合物驱产出水的油层污染机理
4) fouling mechanism
污染机理
1.
Resistance distribution and fouling mechanism of dynamic membrane in wastewater treatment;
动态膜处理污水时阻力分布及污染机理
2.
This study mainly researches fouling mechanisms in the process of seawater pretreatment.
目前,膜污染已成为制约膜技术在海水淡化领域应用的主要障碍,本文对陶瓷膜在海水预处理过程中的污染机理进行了研究。
5) mechanism of membrane fouling
膜污染机理
1.
Filtration characteristics and mechanism of membrane fouling were investigated with MBR mixed liquor.
以膜生物反应器处理市政污水,通过对活性污泥进行终端过滤来反映膜污染机理,实验表明,最初很短时间内膜污染受膜孔堵塞模型控制,之后受沉积层阻力模型控制,后一阶段是膜污染的主要控制阶段;膜的相对通量随过滤时间呈指数衰减趋势,压力越大,通量衰减越快;污泥沉积层存在压密过程,这一过程中的污泥比阻随压力增大而增大,并得到处理市政污水的污泥压密指数为0。
2.
In dye wastewater treatment by membrane bioreactor (MBR), the mechanism of membrane fouling is studied by means of dead - end filtration of activated sludge.
在采用膜生物反应器(MBR)处理染料废水的过程中,通过对活性污泥进行终端过滤来反映膜污染机理,着重考察了膜过滤的形式、膜通量变化和膜污染的形成。
3.
In coke wastewater treatment by submerged membrane sequencing batch reactor (SMSBR), the mechanism of membrane fouling was studied by means of dead-end filtration of activated sludge.
在采用SMSBR处理焦化废水的过程中 ,通过对污泥进行终端过滤来反映膜污染机理 ,着重考察了过滤过程中的阻力分布 ,并通过标准堵塞过滤定律和沉积过滤定律来拟合膜过滤过程 ,从而确定了膜污染的控制因素。
6) salinity pollution
盐分污染
1.
Microwave nondestructive monitoring and quantitative analysis of salinity pollution of reclamation soil;
复垦土壤盐分污染的微波无损探测及定量分析
补充资料：可溶性碳酸盐污染
分子式：
CAS号：
性质：钻井作业中钻井液受到可溶性碳酸盐的污染。例如钻含CO2地层时，CO2将与钻井液中的碱性物质反应生成HCO3-及CO32-；钻井液中有机物的分解，细菌的活动，不纯的重晶石等也能产生HCO3-及CO32-；纯碱或小苏打处理过量，也能使钻井液受到碳酸盐污染。HCO3-污染使切力和动切力升高，但pH值降低；CO32-使切力、动切力及pH值均升高。
CAS号：
性质：钻井作业中钻井液受到可溶性碳酸盐的污染。例如钻含CO2地层时，CO2将与钻井液中的碱性物质反应生成HCO3-及CO32-；钻井液中有机物的分解，细菌的活动，不纯的重晶石等也能产生HCO3-及CO32-；纯碱或小苏打处理过量，也能使钻井液受到碳酸盐污染。HCO3-污染使切力和动切力升高，但pH值降低；CO32-使切力、动切力及pH值均升高。
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