这种化学沉淀物质进入孔隙的过程被称为“完全矿化”。
This addition of a chemically precipitated substance into pore spaces is termed "permineralization".
磷的去除尚需化学沉淀的方法得以实现。
Chemical precipitation of phosphorus removal methods still need to be used.
采用化学沉淀法合成羟基磷灰石陶瓷细粉。
Hydroxyapatite ceramic powder were synthesized by chemical coprecipitation process.
采用化学沉淀法延长化学镀镍液寿命是切实可行的。
The chemical precipitation method is feasible for extending the life of electroless nickel plating solution.
利用湿地减缓水体流速,并使化学沉淀物和相关污染物沉淀下来。
Use wetlands to slow the water down and allow sediments and associated pollutants to settle out.
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。
Silicon oxide nanoparticle are prepared by chemical precipitation process, with sodium metasilicate and hydrochloric acid as raw material.
化学镀镍废液的处理方法主要有化学沉淀法、催化还原法、电解法、离子交换法等。
The main treatment methods of spent electroless nickel plating solution include chemical deposition, catalytic reduction, electrolysis, ionic exchange, etc.
化学沉淀池现在拥有许多供不同种类的植物生长的环境,如芳香园、苔藓园、厥类植物园。
The settling basin for chemicals now holds various environments for plant growth, such as an aroma garden, a moss garden, and a fern garden.
利用硫酸盐还原菌生物还原硫酸盐的过程中同时可将重金属化学沉淀为难溶金属硫化物而去除。
Biological reduction of sulfate with sulfate-reducing bacteria (SRB) can chemically precipitate heavy metals and remove the insoluble metal sulfide at the same time.
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。
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.
与单化学沉淀方法比,本工艺流程具有铬、钴的回收率高,工艺路线简单,可以节约成本的特点。
The characteristic of this technical process is higher recovery rate of cobalt and chromium, simpler technological route and lower cost, compared with the single chemistry precipitation.
尽管另一些人,质疑层叠岩石化石是否是细菌活动的结果,但他们也想知道那些化石是否只是化学沉淀物。
Others, though, question whether fossil stromatolites really are the result of bacterial action, and wonder whether they might be chemical precipitates instead.
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。
Mono-surer dispersed 8-quinolinol copper(QC) nano-powder is obtained by recrystallizing the QC powder prepared by chemical precipitation.
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。
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.
因而钻石化学蒸发沉淀的应用受到材料限制,要求材料在此温度下不软化例如硬质合金。
Thus, the application of diamond CVD is limited to materials which will not soften at this temperature such as cemented carbides.
研究了以化学还原法与均匀沉淀法相结合的方法制备纳米铜粉。
The preparation of nanometer copper powder by chemical reduction combined with homogeneous precipitation method is studied.
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。
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.
化学沉积岩可以是由溶液直接沉淀的物质形成,也可是由植物或动物活动分泌物质而形成。
Chemical rocks are formed from materials either directly precipitated from solution or secreted by the activities of plants or animals.
常规的化学蒸发沉淀涂层工艺需要一种容易在相当低温度下挥发并且在较高温度下与基体接触时能分解成纯金属的金属化合物。
Conventional CVD coating process requires a metal compound that will volatilize at a fairly low temperature and decompose to a metal when it contacts with the substrate at higher temperature.
为增加切削刀具表面硬度引入了钻石化学蒸发沉淀涂层工艺。
Diamond CVD coating process is introduced to increase the surface hardness of cutting tools.
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。
This paper introduces the relationship and application of dissociation equilibrium, precipitation-dissolution equilibrium, and REDOX equilibrium in chemical reactions.
目的:对白头翁汤沉淀的化学成分进行研究。
Objective: To study the constituents in sediment of Decoction Pulsatilla.
土壤化学中的酸碱反应、沉淀溶解反应、配位反应和氧化还原反应都属于广义氧化还原反应。
The generalized oxidation and reduction reaction includes acid-base reaction, precipitation reaction, coordination reaction and ordinarry oxidation reduction reaction.
它表明没有覆盖硅氮化层的严重驼峰取决于经过LPCVD的内部涂层氧化沉淀后化学处理期间的湿度扩散。
It shows severe hump without capping silicon nitride layer due to moisture diffusion during thermal anneal after inter layer oxide deposition by LPCVD.
应用化学共沉淀法和溶胶-凝胶法制备了钇铁石榴石(YIG)多晶粉体。
The powders of YIG crystal have been prepared by coprecipitation method and sol-gel (method).
利用稀土烧结钕铁硼永磁材料的废料作为原料,选用酸溶-复盐沉淀的化学法,进行了制取氧化钕的实验研究。
A study for preparing neodymium oxide from waste Nd-Fe-B materials was conducted by adopting acid solving-composite salt precipitation process.
指出煌斑岩具有较强的还原性能,是金沉淀富集的良好地球化学屏障。
Having a large reducing capacity, the lamprophyre is the best geochemical barrier for thedeposition and concentration of gold.
提出了一种全新的工艺:电化学溶解-沉淀法,可实现超低电耗低于1。
A brand-new electrochemical process was studied to produce hydrogen at ultra-low electrical consumption of less than 1.
提出了一种全新的工艺:电化学溶解-沉淀法,可实现超低电耗低于1。
A brand-new electrochemical process was studied to produce hydrogen at ultra-low electrical consumption of less than 1.
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