the advantages and disadvantages of cerium oxide and cerium oxide-based sorbents are analyzed based on the main problems existing in application to high temperature desulfurization.
针对目前高温煤气脱硫剂存在的问题,分析了氧化铈及氧化铈基脱硫剂的优点和缺点。
the addition of cerium oxide could improve evidently the heat stability of the silicone rubber stock with exceptional hardness.
加入氧化铈可以显着改善高硬度硅橡胶的热稳定性。
the process comprises dehydrating a diol in the presence of a catalyst comprising cerium oxide supported on a carrier.
该方法包含在催化剂的存在 下使二醇脱水,该催化剂包含负载于载体上的氧化铈。
yttrium oxide and cerium oxide produced only for the follow-up study done on the basis of feasibility analysis.
氧化钇和氧化铈的制备仅仅为后续研究做可行性分析提供依据。
the adsorption heat of steam on the catalyst decreased and the amount of adsorbing centers did not change as the amount of cerium oxide in the samples was increased.
实验结果表明,随着铈含量的增加,样品对水蒸汽的可逆吸附过程的吸附热降低,铈含量超过一定值后吸附热又略有升高。
combined use of cerium oxide and erbium oxide could shift the color from yellow-green to yellow-red, while it「s ability of reducing l value was still weak;
氧化铈、氧化铒合用后,随氧化铒含量的增大颜色向黄红方向偏移,降低材料明度的能力仍然比较小;
the appropriate addition of cerium oxide would help to reduce the grain size of sorbent, increase the dispersion of oxide, and extend the breakthrough time.
适当的添加氧化铈,有利于脱硫剂晶粒减小、氧化物分散性增加、延长脱硫剂穿透时间。
while cerium oxide is a rare earth element, it is one of the more common ones. its abundance has been compared to copper.
氧化铈是一种较常见的稀土元素,其储存量可以与铜相媲美。
the typical craft for glass processes is : rough grinding diamond wheel → resin bonded diamond wheel → 10s series wheel→ cerium oxide polishing wheels.
典型的玻璃边加工工艺:金刚石粗磨轮→金刚石树脂轮→10s系列抛光轮→氧化铈抛光轮。
the status of production, application and market of cerium oxide are introduced.
介绍了我国氧化铈产品的生产、应用和市场的发展状况。
uses: mainly used to produce the intermediate cerium compounds can be used as chloride, cerium oxide & other cerium compounds in raw materials, etc.
用途:主要用作生产铈的中间化合物,可作为氯化铈、氧化铈及其他铈化合物的原料等。
rich lanthanum rare earth chloride and industrial purity cerium oxide or compounds can be made by acid leaching under normal and reductive condition, respectively.
如常规浸出和还原浸出分别进行,则可从精矿开始直接制取富镧氯化稀土和工业级纯铈及其化合物。
uses: to make other cerium salts & cerium oxide raw materials & petroleum additives, etc.
用途:作其他铈盐和氧化铈的原料及石油添加剂等。
the advantage here is that the process is fairly simple, and cerium oxide heated by the concentrated lens will attract water molecules and break them down thermochemically.
这个反应堆的优势是工序极其简单,透镜聚焦的太阳光先加热的铈氧化物,用热化学的原理吸引水分子并且破坏其化学稳定性。
the device, reported in the journal science, uses a standard parabolic mirror to focus the sun」s rays into a reaction chamber where the cerium oxide catalyst breaks down water and carbon dioxide.
这种在《科学》杂志里所报道的装置使用一个标準的抛物柱面镜把阳光搜集进一个反应室。在这个反应室里,铈氧化物催化剂可以分解水和二氧化碳。
「the trick here is the cerium oxide – it「s very refractory, it」s a rock,」 said haile.
haile表示:“诀窍在于铈氧化物,它非常稳定,就像石头一样。