Influences of experimental parameters were studied using 4 - chlorophenol as model pollutant.以4-氯苯酚为模型污染物,研究不同反应条件的影响.Succinic acid was used as target during ozonation of chlorophenol, whose concentration measured by ion...
The Russian Parliament has approved a program of radical economic reforms...俄罗斯议会已经通过一项重大经济改革方案。South Asia continues to be the most dynamic economic region in the world.南亚仍然是世界上经济最活跃的地区。...economic and environmental legi...
最普通的精加工工序是用机械的方法, 如研磨, 磨削或用磨料抛光.The most common finishing operations are mechanical, such as milling, grinding, or polishing with abrasives.实验中采用磨料磨损的方式.Abrasion wearis taken as the main wear mode in the experiments.磨料水射...