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- weak alkali system 弱碱体系
- The results are shown the leachate is weak alkali,and the concentration of Pb,Zn,Cr,Ni,Cu and Fe in it exceeded all the low value of environmental standards. 结果表明,淋出液成弱碱性,其中的铅、锌、铬、镍、铜和铁等元素的浓度均超过了水综合排放标准和地面水环境质量标准规定的阈值;
- It is investigated that preparation of aromatic akdehyde by liquid phase autoxidation of mono substituted toluene in acid or alkali system. 研究了在酸碱不同体系下气氛液相氧化对氯甲苯、邻硝基甲苯制取相应芳香醛的反应,比较了反应温度、反应时间、氧气流量、底物浓度对各自反应的影响。
- Weak alkalis ionize partly ( <1% ionize) in water to give hydroxide ion. 弱碱在水中部份电离，放出氢氧离子。
- The spirit is willing but the flesh is weak. 心有余而力不足。
- Content determination of exceedingly weak alkali by standard curve method 标准曲线法测定极弱二元碱的含量
- This kind of soil contains much alkali. 这种土壤含碱丰富。
- I suppose you also have a caste system in your society. 我想你们的社会里也有一种等级制度。
- The shock make me go all weak at the knee. 这件事把我吓得两腿发软。
- The right to dissent is part of our political system. 有持异议的权利是我们政治体制的组成部分。
- You must be weak in the head if you believe that. 你相信那件事可就太傻了。
- Do you know how to log in to the system? 你知道怎么登录进入这个系统吗？
- He cannot run because he has a weak heart. 他有心脏病，不能跑。
- Public opinion was against the old feudal system. 公众舆论反对旧的封建制度。
- A fearful person is a weak person. 怕这怕那的人是软弱的人。
- The system works on the principle that heat rises. 该项装置是按照热力上升的原理运转的。
- The drainage system has been aged. 排水系统已经老化了。
- The shock made me go all weak at the knees. 这件事把我吓得两腿发软。
- They called for a radical reform of our tax system. 他们要求对税收制度进行根本改革。
- His weak chest was a legacy of a childhood illness. 他那瘦弱的胸脯是儿时患病的后遗症。
