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- The pouring of sewage water in great quantity and the pollutants contained in the water of Changjiang has affected the self purification in costal water. 通过对上海滨岸带水体的深入调查、样品采集、分析测试和对比研究,对上海滨岸带水体的自净作用进行了总体评价。
- The host machine has modular and the structure of screw and barrel are designed with precision by com-puter,It has perfect self purification and interchangeability. 主机采用积木式原理设计，其螺杆构型，筒体结构，采用计算机精确设计，具有优异自洁性和任意互换性。
- The purification ability of aquatic macrophytes for eutrophic lake water in winter. 冬季水生高等植物对富营养化湖水的净化作用。
- The printing and dyeing sewage is of great quantity, high colority and poor biochemical purification ability. 印染污水具有水量大、色度高、可生化性差的特点。
- The study on the purification ability of reed wetland soil and influence factors of the phenol by dynamic method was conducted. 用动态土柱法研究芦苇湿地土壤对苯酚的净化效果及其影响因素。
- All the factors, such as height, COD loading, hydraulic loading and the frequency of leachate dosing, to a certain extent, affected the purification ability. 煤灰和土壤高度、有机负荷、水力负荷及配水次数等因素均对净化能力有一定的影响。
- water requirement of a stream's self purification 河道自净需水量
- Low ash coal with an ash content lower than 2% can be separated from some suitable coal with its purification ability and by a high efficient cyclonic microfoam columned pneumatic floatation machine. 对于一些适宜的煤种，利用净化能力强、分选效率高的旋流微泡浮选柱可以分选出灰分小于2%25的低灰煤。
- The growth and the purification ability of Hemerocallis fulva Linn. in heavy and light eutrophic water were studied by means of soilless cultivation technique on artificial substratum. 利用小型人工基质无土栽培萱草,研究其在轻度和重度富营养水中的生长及净化能力。
- water requirements for self purification of the stream 自净需水量
- I do not like to go to the movies by my self. 我不喜欢自己一个人看电影。
- I my self is going to make a sandwich. 我要亲手做个三明治。
- He was a wreck of his former self. 他身体坏得不成样子，已兴从前判若两人。
- A man of great ability like him will eventually reach the top. 像他这样才能出众的人终究会升到最上层的。
- Knowledge of self increases as one gets older. 随着年岁的增长，人们的自我认识也不断加深。
- It is a systematic attempt to strengthen our competitive ability. 那是为增强我们的竞争能力而作的有计划的努力。
- He is mistrustful of my ability. 他不信任我的才干。
- He's not looking like his old self lately. 他最近看起来不像以前那样。
- He is my best friend, my second self, as it were. 他是我最好的朋友，或者说，是第二个我。
- He never has any thought of self. 他从不考虑个人得失。
