Chemical precipitation of phosphorus removal methods still need to be used.
磷的去除尚需化学沉淀的方法得以实现。
Fe3O4 was prepared by using chemical precipitation in dealing with chromium residue simultaneously.
利用化学共沉淀法，在处理铬渣的同时，制备四氧化三铁。
The chemical precipitation method is feasible for extending the life of electroless nickel plating solution.
采用化学沉淀法延长化学镀镍液寿命是切实可行的。
Nanometer sized lead oxide was prepared by pyrogenetic decomposition of lead carbonate synthesized by chemical precipitation.
采用均匀沉淀法合成碳酸铅，在此基础上通过高温分解制备纳米氧化铅。
Chemical precipitation-advanced oxidation process was used to remove sulfide and organics from waste alkali in ethylene cracking.
采用均相化学催化氧化技术对乙烯裂解废碱液进行了处理，考察了影响处理效果的各种因素。
Mono-surer dispersed 8-quinolinol copper(QC) nano-powder is obtained by recrystallizing the QC powder prepared by chemical precipitation.
采用适当的溶剂对化学沉淀法制备的8-羟基喹啉铜进行重结晶，得到了疏松的8-羟基喹啉铜纳米粉体。
The glue machine is equipped with automatic recycle system, which helps control the quantity of pastes and avoids chemical precipitation;
自动循环供浆，能有效控制供浆量，避免浆液沉淀；
Silicon oxide nanoparticle are prepared by chemical precipitation process, with sodium metasilicate and hydrochloric acid as raw material.
以工业硅酸钠和盐酸为原料，采用化学沉淀法制备出纳米二氧化硅。
In this paper, hydroxyapatite powders and porous hydroxyapatite blocks were synthesised by chemical precipitation and hydrothermal method.
本文主要采用化学沉淀法和水热法合成羟基磷灰石粉体及多孔羟基磷灰石块体。
Based on fundamental of chemical precipitation, the superfine manganese sulfide was prepared by designed different technologies and conditions.
本文基于化学反应沉淀法的基本原理，通过设计不同的工艺路线和工艺条件制备硫化锰微细粉末。
Technology Study and Exploration of Industrial Application on Treating the High Strength Ammonia Nitrogen Wastewater of Coke Plant by Chemical Precipitation Method;
氨基酸废水处理技术一直是国内外氨基酸生产厂家和环保界的研究热点。
The experimental method of aeration biological filter-chemical precipitation-sand filter composite process and water quality situations in experiment are introduced.
采用脉冲循环流化床与物化沉淀池的组合工艺对某公司的印染废水进行了处理。
Through the test, the domestic KCl is purified by chemical precipitation process and can be met the requirement for the production of agriculture-grade potassium nitrate.
通过试验，初步确定了采用化学沉淀法可净化中国产氯化钾，并且净化后氯化钾满足硝酸钾生产的需要。
Due to the surface effect of nano particle, the precursor of nano oxide prepared by chemical precipitation method can form aggregation easily, and so can not be dried by usual techniques.
由于纳米粒子的表面效应，用化学沉淀法制备出的纳米氧化物的前驱体在干燥过程中易形成团聚，不易采用传统的加热方法干燥。
In this paper, preparation processes of amorphous silica using Henan Zr-containing silica residue as raw materials with chemical precipitation and direct neutralization methods were researched.
本论文以河南锆硅渣为原料，研究了分别采用化学沉淀法和直接中和法制备白炭黑的技术和工艺。
For the features of serious emulsion of oily grains in wastewater the combined technology of gravity separation and chemical coagulation precipitation has been adopted to dispose the oily wastewater.
针对废水中油粒乳化严重的特点，采用重力分离与化学混凝沉淀相结合的工艺，对燃机电厂含油废水进行了综合处理。
This research is about Precipitation simulation based on particle system, research point is the simulation of the chemical reaction which product sediment in liquid solution.
本次研究是采用粒子系统对沉淀现象进行模拟，研究重点是对液体中产生化学反应生成沉淀现象的模拟。
New catalysts suitable for hydrogenation of food oils have been prepared by means of precipitation method and by chemical mixing procedure.
研究了用沉淀法和化学混合法制备的用于食用油脂加氢改性的镍催化剂。
Beresitization furnishes the adequate physical and chemical environment for gold precipitation.
黄铁绢英岩化为金的沉淀富集提供了适宜的物理化学环境。
The changing characteristics and chemical components and origin of acid rain in Xiangtan urban area are analyzed according monitoring data of precipitation quality from 2001 to 2005.
根据2001 ~ 2005年湘潭市城区降水环境质量监测数据，对湘潭城区酸性降水的变化特征、离子化学组成、变化趋势和酸雨成因进行了分析。
Factor analysis was used for the data set of chemical components concentration of precipitation collected in Chengdu urban area.
本文对成都市区降水化学组分进行了因子分析。
Secondly, different types of antifreeze can not be mixed use, so as not to cause chemical reactions, the formation of precipitation or bubble, reduce the use of results.
其次，不同型号的防冻液不能混合运用，以免惹起化学反响，生成沉淀或气泡，降低运用效果。
This paper introduces the relationship and application of dissociation equilibrium, precipitation-dissolution equilibrium, and REDOX equilibrium in chemical reactions.
文章介绍了化学反应中的配合离解平衡与沉淀溶解和氧化还原平衡的关系及其应用。
Then how to use a computerized chemical equilibrium model to estimate and predict buffer capacity and susceptibility to acid precipitation of water systems are discussed.
然后讨论如何用计算机处理的化学平衡模式估计和预测水体的缓冲容量以及对酸沉降的敏感性。
In the injection process, the barium ion and sulfate ion chemical reactions occur in the reservoir, but the barium sulfate precipitation mainly concentrated in the near wellbore.
在注水过程中，钡离子和硫酸根离子的化学反应虽然发生在整个储层中，但是硫酸钡沉淀主要集中在近井带。
It includes a brief review of chemical thermodynamics that is followed by discussion of acid-base, precipitation-dissolution, coordination, and reduction-oxidation reactions.
首先是简短回顾化学热力学，接著是讨论酸碱、沉淀—溶解、配位和还原氧化反应。
The chemical composition of precipitation at Lushan in spring of 1993 was studied.
对庐山春季降水的化学组成进行了研究。
The chemical composition of precipitation at Lushan in spring of 1993 was studied.
对庐山春季降水的化学组成进行了研究。
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