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- Removal of nitrogen and phosphorus from agricultural irrigation runoff in subsurface horizontal-flow wetland. 潜流水平湿地对农业灌溉径流氮磷的去除。
- The distribution and removal of nitrogen were investigated on a residue hydrotreating pilot plant. 在渣油加氢处理中试装置上,考察了渣油中氮化物在不同催化剂上的脱除规律。
- It is important to drinking water safety to study the efficacy of riverbank filtration for the removal of nitrogen. 本文采用室内试验、现场试验及理论分析的方法,研究了河岸渗滤作用脱氮机理及特点。
- The paper presents the basic principle on the removal of nitrogen oxides upon SCR and discusses the various causes of toxic catalyzer. 本文介绍了SCR脱除氮氧化物的基本原理,并讨论了导致催化剂中毒的各种原因。
- The mechanisms of of the biological removal of nitrogen and phosphorus are explained.The technologies of MSBR,UCT and BCFS are analyzed. 在阐述城市污水生物脱氮除磷机理的基础上,分析生物脱氮除磷的MSBR工艺、UCT工艺和BCFS工艺。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- Carbon Deoxidization: with purity greater than 99.9% of the nitrogen raw material. In the carbon and catalyst under. Removal of nitrogen in the oxygen, No need for hybrogen source. 采用高效吸附型催化剂，去除氮气中的氧，氮气纯度和压力不受氢气源的影响。
- The utilization of nitrogen and energy sources by Thiobacillus ferrooxidans was investigated,and the removal of sulfur from coal pyrite exposed to the air for different time was studied. 对不同氮源、能源的利用,研究了空气中氧化不同时间的煤系黄铁矿的脱硫情况。
- Removal of nitrogen compounds from lube base oil by using heteropolyacid as extractant was studied in the laboratory for improving the oxidation stability of domestic lube base oil. 针对我国润滑油基础油目前氧化安定性较差的状况,在实验室用杂多酸丙酮液相脱氮体系进行了基础油非加氢脱氮工艺的研究。
- Surgical removal of part or all of the uterus. 子宫切除术将子宫的全部或部分通过外科手术切除
- Surgical removal of all or part of a lung. 肺切除术，肺部分切除术对整个或部分肺的外科手术切除
- Results show that suspended algae has good performance in removing nitrogen and phosphorus from water body.The removal of nitrogen process accords with fischer tropsch process. 实验结果显示：本实验温度范围内悬浮藻类对水体中氮磷营养元素有较好的吸收去除效果。
- He consented to the removal of the flags. 他同意撤走旗帜。
- The performance of the CMASPFT in biological removals of nitrogen and phosphorus was studied under 3 sludge reflux ratio(SRR). 介绍了多点交替进水五箱一体式工艺的流程与特点,研究了不同污泥回流比下反应器对氮、磷的去除效果。
- Surgical removal of part of the iris of the eye. 虹膜切除术手术切除部分虹膜
- Surgical removal of a nerve or part of a nerve. 神经切除神经或其一部分的外科节除手术
- The main reservoir of nitrogen is the atmosphere. 氮的主要蓄存库是大气层。
- Our ultimate objective is the removal of all nuclear weapons. 我们的最终目标是消除所有核武器。
- What is the percentage of nitrogen in air? 空气中所含的氮的比例是多少?
- Loss or removal of normal pigmentation. 褪色丧失或转移正常的着色
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
