• 这种化学沉淀物质进入孔隙过程被称为“完全化”。

    This addition of a chemically precipitated substance into pore spaces is termed "permineralization".

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  • 去除化学沉淀方法得以实现。

    Chemical precipitation of phosphorus removal methods still need to be used.

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  • 采用化学沉淀合成羟基磷灰石陶瓷

    Hydroxyapatite ceramic powder were synthesized by chemical coprecipitation process.

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  • 采用化学沉淀延长化学寿命切实可行

    The chemical precipitation method is feasible for extending the life of electroless nickel plating solution.

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  • 利用湿地减缓水体流速,使化学沉淀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.

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  • 工业硅酸钠盐酸原料采用化学沉淀制备纳米二氧化硅

    Silicon oxide nanoparticle are prepared by chemical precipitation process, with sodium metasilicate and hydrochloric acid as raw material.

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  • 化学废液处理方法主要化学沉淀催化还原法、解法、离子交换

    The main treatment methods of spent electroless nickel plating solution include chemical deposition, catalytic reduction, electrolysis, ionic exchange, etc.

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  • 化学沉淀现在拥有许多不同种类的植物生长环境芳香苔藓园、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.

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  • 利用硫酸盐还原生物还原硫酸盐过程中同时重金属化学沉淀为难金属硫化物去除

    Biological reduction of sulfate with sulfate-reducing bacteria (SRB) can chemically precipitate heavy metals and remove the insoluble metal sulfide at the same time.

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  • 论文以河南原料研究了分别采用化学沉淀直接中和法制炭黑技术工艺

    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.

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  • 化学沉淀方法工艺流程具有回收率高,工艺路线简单可以节约成本特点

    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.

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  • 尽管另一些人质疑层叠岩石化石是否是细菌活动结果他们想知道那些化石是否只是化学沉淀

    Others, though, question whether fossil stromatolites really are the result of bacterial action, and wonder whether they might be chemical precipitates instead.

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  • 采用适当的溶剂对化学沉淀制备的8-羟基喹啉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.

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  • 由于纳米粒子表面效应化学沉淀制备出的纳米氧化物前驱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.

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  • 因而钻石化学蒸发沉淀应用受到材料限制,要求材料温度下软化例如硬质合金。

    Thus, the application of diamond CVD is limited to materials which will not soften at this temperature such as cemented carbides.

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  • 研究了化学还原均匀沉淀法相结合方法制备纳米

    The preparation of nanometer copper powder by chemical reduction combined with homogeneous precipitation method is studied.

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  • 针对废水中油乳化严重特点采用重力分离化学混凝沉淀结合工艺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.

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  • 化学沉积岩可以溶液直接沉淀物质形成可是植物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.

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  • 常规化学蒸发沉淀涂层工艺需要一种容易相当温度下挥发并且较高温度下与基体接触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.

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  • 增加切削刀具表面硬度引入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.

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  • 文章介绍化学反应中的配合离解平衡沉淀溶解氧化还原平衡关系及其应用

    This paper introduces the relationship and application of dissociation equilibrium, precipitation-dissolution equilibrium, and REDOX equilibrium in chemical reactions.

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  • 目的:对白头翁沉淀化学成分进行研究

    Objective: To study the constituents in sediment of Decoction Pulsatilla.

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  • 土壤化学中的酸碱反应沉淀溶解反应、位反应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.

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  • 表明没有覆盖氮化严重驼峰取决于经过LPCVD的内部涂层氧化沉淀化学处理期间湿度扩散

    It shows severe hump without capping silicon nitride layer due to moisture diffusion during thermal anneal after inter layer oxide deposition by LPCVD.

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  • 应用化学沉淀溶胶-凝胶法制备钇铁石榴石(YIG)多粉体。

    The powders of YIG crystal have been prepared by coprecipitation method and sol-gel (method).

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  • 利用稀土烧结钕铁硼永磁材料废料作为原料,选用溶-复盐沉淀化学法,进行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.

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  • 指出煌斑岩具有较强的还原性能沉淀富集良好地球化学屏障

    Having a large reducing capacity, the lamprophyre is the best geochemical barrier for thedeposition and concentration of gold.

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  • 提出了一种全新的工艺: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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  • 提出了一种全新的工艺: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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