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- The results indicate the sol-gel prepared HAP has the better adsorbed property for its small and uniform particle size, high specific surface area and activity. 结果表明,溶胶-凝胶法合成出的羟基磷灰石颗粒细小均匀、比表面积大、活性高,具有很好的吸附性能。
- Physical state: This produce is made of natural silica sand by the advanced processes of water scrubbing and reelecetion.Natural silica sand has the naturally founded grain shape and uniform particle size and takes on brown-white or off-white color. 物理状态:本产品经天然硅砂水洗,重选等工艺加工而成,天然硅砂具有天然的滚圆粒形和均匀的粒度,呈褐白色或灰白色。
- Magnesium hydroxide that was of nanometer level and flake shape and had uniform particle size was synthesized by calcination and hydrochloric acid-acidification and with magnesite as raw material. 以菱镁矿为原料,经煅烧、盐酸酸化后与氢氧化钠反应合成了纳米级、片状、粒度均匀的氢氧化镁。
- The results showed that the prepared HAP has porous structure,low apparent density,large specific surface area,uniform particle size and is not agglomerate between the particles. 结果表明,制得的活性磷酸钙分散剂具有多孔结构,堆密度小,比表面积大,粒度均匀,微粒间不易团聚。
- uniform particle size 均匀粒度
- WHAT IS THE CRITICAL PARTICLE SIZE ? 什么是关键的粒子尺寸?
- The particle size of product made by the chemistry process is very tine and the particle size distribution is uniform. 超细氢氧化铝制备方法分为机械法和化学法,但化学法制备的产品粒度细、分布均匀。
- And the application of the velocity of uniform descension in determinationof particle size and distribution is discussed. 分析了沉降终速在测定颗粒粒径大小及其粒度分布中的应用;
- The TiO2/CeO2 mixed oxide powders are well-distributed and composed of rather uniform spherical nanoparticles with particle size about 10nm. TiO2/CeO2复合氧化物呈类球形颗粒形貌组成,且分布均匀,颗粒粒径约为10nm,并形成富Ti“核”、富Ce“壳”的结构。
- The results showed that under lower CO gas pressure,TiC powders could be synthsized at low temperature with very fine particle size,uniform shape and loose agglomeration. 结果表明 ,用微波合成碳化钛粉体 ,当一氧化碳气氛压力较低时 ,可以在较低的温度下合成出合成率高、晶粒细小、团聚较少的碳化钛钠米粉体。
- The nucleation step and the growth of the crystal nucleus step are occurring separately, so ATO nanoparticles with the uniform morphology and particle size can be obtained. 在纳米ATO粉体制备过程中晶核的生成和生长是分离的,从而能够得到形状一致、大小均匀的纳米粉末。
- In clastic sediments, particle size is an important factor. 在碎屑沉积物中,颗粒大小是个重要因素。
- One important measure of the instability is particle size. 不稳定性的一个重要测量标准是微粒的尺寸。
- The distribution of cementite particle size displayed bimodal. 颗粒状渗碳体的尺寸呈双峰分布。
- When Al powder particle size is -260/+300,the speed is mod... 铝粉粒度在-260/+300目时,焊接质量与操控性最佳。
- The lenght of time of the extraction and the particle size are both pertinent. 提取的持续时间和微粒的大小都恰到好处。
- Shift control of the particle size bar fight, mouse control perspective. Shift控制打杆的粒度,鼠标控制角度。
- The optimum particle size distribution of cement and its assessment method. 水泥的最佳颗粒分布及其评价方法。
- Even: homogeneous in particle size and confirming to the grade specification. 即使是:均匀,粒度和确认的等级规格。
- At the same particle size, coarse or fine, performance is comparable. 只要颗粒相同,不管是粗的,还是细的,结果相同。