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- The ferrite ultrafine particle catalysts which contain Zn,Ni and Co were prepared by sol gel method and characterized by DTA TG,IR,XRD and BET methods. 采用溶胶 凝胶法制备了含Zn、Ni、Co的铁酸盐超微粒子催化剂 ,运用DTA TG、IR、XRD以及BET比表面测试等手段对所制备的样品进行了表征。
- The spinel ferrite ultrafine particle catalysts were prepared by sol-gel method and characterized by DTA-TG, IR, XRD and BET surface area measurement methods. 采用溶胶 -凝胶法制备了含Zn、Ni、Co的铁酸盐纳米微粒催化剂 ;运用DTA -TG、IR、XRD以及BET比表面测试等手段对所制备的样品进行了表征 .
- The preparation,types and its application in catalysis of high dispersing ,supported,ultrafine particle catalysts are reviewed. The applied prospects of these catalysts is looked. 本文综述了高分散负载型超细粒子催化剂的制备及其在催化中应用的现状,展望了该类催化剂的应用前景。
- Objective To study the effects of Kaiwei Jinshi decoction with the ultrafine particle on the normal gastric evacuatian and small intestinal propulsion in mice. 摘要目的研究开胃进食汤超微配方颗粒对正常小鼠胃排空、小肠推进活动的影响。
- Surface characterization and bulk phase structure for ultrafine particle of iron carbide catalyst in Fischer Tropsch synthesis were studied by means of XPS and XRD. 应用光电子能谱研究催化剂表面化学状态的变化,属当前催化领域的新课题。
- This paper gives a brief introduction to SCF and new methods of obtaining ultrafine particle by SCF repaid expansion of supercritical solution(RESS),supercritical anti-solvent(SAS),superc. 本文介绍了近年来开发的一些新方法和新工艺,诸如超临界溶液快速膨胀法,超临界流体抗溶剂法,超临界流体化学反应和超临界干燥法。
- Objective: To investigate microemulsion reaction methods in preparing sulfadiazine silver ultrafine particles. 目的:应用微乳液反应法制备磺胺嘧啶银均匀微晶,并评价其质量。
- Vacuum drying method will lighten the agglomeration of ultrafine particles during the drying process as well. 真空干燥方法可以减轻莫来石超细粉粒子在干燥过程中的团聚。
- Hyperdispersants developed in the past around two decades have a superior dispersion property for ultrafine particles. 超分散剂是近年来开发成功的新一代分散剂,对超细颗粒在介质中稳定分散极为有效。
- Much attention has been paid to the extraction of proteins and preparation of ultrafine particles by reverse micelle. 反胶团具有独特的优良性能,有着十分广阔的应用前景,近年来正越来越多地受到关注。
- Clogging up of the cooling air slits in the turbine blades is primarily caused by ultrafine particles with a high specific surface area. 涡轮叶片之间冷却空气缝隙的堵塞主要是因为存在高比表面积的超细粒子。
- This paper mainly dealt with the sintering conditions of ultrafine particles GdSe coating layers (CdSe/Ni) by XRD, SEM, TEM and high energy electron diffraction (RHEED). 通过X射线衍射(XRD)、扫描电子显微镜(SEM)、透射电子显微镜(TEM)和高能电子衍射(RHEED)等技术,研究了由蒸发冷凝法制备的n型半导体材料GdSe超细微粒涂层(CdSe/Ni)的烧结工艺。
- The removal of ultrafine particles from coal combustion was investigated experimentally based on condensational enlargement of supersaturated vapor in wet scrubber. 对洗涤塔内相变促进燃煤细颗粒凝结长大与脱除进行了实验研究。
- Ultrafine particles have strong self-aggregation tendency for their huge specific surface area and large surface energy,which directly affect the products in quality. 由于超细固体颗粒具有极大的比表面积和比表面能,粒子自聚的倾向较大,从而直接影响产品质量。
- PRACTICAL IMPLICATIONS: A number of indoor sources of ultrafine particles (UFPs) have been identified, but the health effects of indoor UFP exposures remain largely unexplored. 实际应用:本研究回顾相关文章确认一系列室内超细粒径微粒来源,但其健康效应仍有待探索。
- XAFS Study of Fe/ ZrO_2 Aerogel Ultrafine Particle Catalysts Fe/ZrO_2气凝胶超细粒子催化剂的XAFS研究
- Keywords Titanium oxide;Dispersion;Ultrafine particle;Photoeffect; 分散作用;超微粉;光效应;
- There wasn't a particle of truth in what he said. 他说的没有一点真话。
- There's not a particle of truth in her story. 她讲的没有一句实话。
- Keywords ultrafine particle;ZnO;fluorescence center;photoreaction; 超微粒子;氧化锌;荧光中心;光反应;