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- Trace Lead were enriched through co precipitation by using chloride oxide zircono as an enrichment agent,and determinated by atomic absorption spectrophotometry. 研究了以锆作捕集剂，用共沉淀捕集分离，用原子吸收分光光度法测定铅的方法。
- And also the acidity in the rich elutriant is of benefit to the later precipitation process in uranium recovery. 而且,合格液酸度低,有益于后续的沉淀过程中回收铀。
- Ce,Tb-doped LaPO_4 nanoparticles were successfully prepared by a gel-network precipitation process. 采用明胶网格沉淀法,成功制备了共掺铈、铽的磷酸镧纳米颗粒。
- The review introduces three by chemical precipitation process,sol-gol method and reversed microemulsion method. 本文综述了化学沉淀法、溶胶-凝胶法和微乳法等三种湿化学方法在制备超细二氧化硅纳米材料方面的应用。
- A novel reactive precipitation process was used to prepare ultra fine salbutamol sulfate powders. 以沙丁胺醇和硫酸为反应物,在异丙醇溶液中采用反应结晶法制备超细硫酸沙丁胺醇颗粒。
- A certain number of suspending gravels are randomly selected to visually simulate sediment precipitation process. 统计模拟结果可得到充填层的可视化结构及孔喉直径的分布状况。
- Short mullite fiber not only increases the aged hardness of Al 4.5Cu alloy, but also accelerates the age precipitation process. 莫来石纤维除了能明显提高Al 4 .;5Cu合金的时效硬度外;还能加速其时效析出过程 ;
- Using the model,simulation investigations have been carried out for precipitation process in several ternary alloys without any preassumption... 该模型无需预先设定新相结构和沉淀类型,可对实际三元合金的沉淀过程进行模拟研究。
- New methods of preparing rare earth doped YAG phosphors ,which contain sol gel,macro molecule network gel and precipitation process,were summarized. 本文总结了稀土离子掺杂的钇铝石榴石发光粉末合成的新方法,包括溶胶-凝胶法、高分子网落凝胶法、沉淀法等,并介绍了这些发光粉的性能。
- Therefore, the nonionic surfactant can effectively intensify the seeded precipitation process of sodium aluminate solution. 非离子型表面活性剂能有效强化铝酸钠溶液晶种分解过程。
- The two steps precipitation process of ADU powder from UF6 hydrolyzate to high active and sinterable UO2 powder is studied. The optimized precipitation is obtained. 研究了由六氟化铀水解液制取适于制备高活性可烧结UO_2粉末的ADU沉淀物的两步沉淀工艺,推荐了ADU两步沉淀工艺的最佳沉淀条件。
- This paper makes a systematic analysis of the influence of precipitation process and the barren liquor of gold electrowinning before and after purification on gold extra... 最后指出，该工艺可望用于净化其它提金过程产生的氰化贫液。
- Objective:To compare the fit and unfit of alcohol precipitation process and chitosan flocculation process used in purification of extract of yanyan buccal tablets. 目的:比较醇沉法和壳聚糖絮凝法用于咽炎口含片浸膏纯化的优劣。
- The precipitation process simulation of the medial density cubic alloy was conducted using the microscopic diffusion equation including the coherent strain energy. 利用包含共格畸变能的微观扩散方程对立方合金的沉淀过程进行计算机模拟。
- The coagulating bath contains sulfuric acid, mainly to neutralize the alkali viscose solution, and salts which are principally sodium sulfate and a very small amount of zinc sulfate which aids in the precipitation process. 凝固浴中含有硫酸,主要用来中和碱性的粘胶溶液,其主要成分为硫酸钠的盐类以及凝固过程中加入的少量硫酸锌。
- Use of precipitation process for treatment of wastewater from molecular sieve catalyzer had less efficiency, and then experiment was carried out for the wastewater treatment by using MF. 分子筛催化剂生产废水多采用沉淀法处理,但效果较差,为此开展了微滤法处理该废水的试验研究。
- Abstract: New methods of preparing rare earth doped YAG phosphors,which contain sol-gel,macro-molecule network gel and precipitation process,were summarized.The structure,luminescence property and grain sizes of the phosphor powders were also described. 文摘:本文总结了稀土离子掺杂的钇铝石榴石发光粉末合成的新方法，包括溶胶-凝胶法、高分子网落凝胶法、沉淀法等，并介绍了这些发光粉的性能。
- An investigation has been made with the TEM analysis on the precipitation process of granular bainite in 20Cr2Mo2V steel during tempe ring and the effect of every microstructure component on the strengthening. 本文对20Gr2Mo2V钢粒状贝氏体回火时的沉淀硬化过程进行了电镜观察,并分析了各强化的组织因素。
- Using a three-dimension terrain-following coordinate cloud model with detailed microphysical processes,a convective precipitation process is simulated. 该文利用地形追随坐标三维云模式，对湖北的一次对流降水过程进行了平坦地面和理想斜坡地形的模拟试验。
- Chiyoda Mutual Life Insurance Co. 千代田寿险公司(日本)
