The precipitation phenomenon and the semicrystallization characteristics of the deposition ap-pearing in the urea/formaldehyde polycondensation were described for the first time.
首次研究了尿素甲醛聚合反应中的沉淀现象以及不同反应条件对沉淀产物半结晶结构特征的影响。
Study on the preparation of ceramic powders of ternary pyrochlor containing bismuth by coprecipitation;
共沉淀法制备三元系铋基焦绿石型陶瓷粉体
Study on coprecipitation synthesis and photocatalytic activity of SrFeO_(3-x);
共沉淀法合成铁酸锶及其光催化活性研究
Kinetics of Synthetic of Cl-Type Hydrotalcitelike with Coprecipitation Reaction;
氯离子柱撑水滑石共沉淀法合成反应动力学
Preparation of Cu~Ⅰ-containing absorbents by coprecipitation method and their sweetening effect in kerosene;
共沉淀法负载亚铜吸附剂的制备及其脱除煤油中硫醇的研究
Synthesis of nano-sized chrome-magnesium spinel powders by coprecipitation method;
共沉淀法制备纳米镁铬尖晶石粉体
Preparation of nanometer-sized antimony-doped SnO_2 powder in coprecipitation method;
共沉淀法制备掺锑SnO_2纳米级粉体
Preparation of α-Tricalcium Phosphate by Co-precipitation;
共沉淀法制备α-磷酸三钙
Preparation of Zr/Si-Al composite oxide support via co-precipitation;
共沉淀法制备Zr/Si-Al复合氧化物载体的研究
Factors affecting co-precipitation in preparation of CeNi_5 hydrogen storage alloys;
储氢合金CeNi_5制备中共沉淀的影响因素研究
Influences of precipitation temperature on LaMnAl_(11)O_(19) catalysts prepared by co-precipitation;
温度对共沉淀法制备LaMnAl_(11)O_(19)催化剂的影响
Studies on the preparation,structure and spectral character of YAG,Nd∶YAG nano-powder by co-precipitation method;
共沉淀法YAG、Nd∶YAG纳米粉体的制备、结构与光谱性能研究
Preparation of ultra-fine indium tin oxide powders with high specific surface areas by co-precipitation method;
共沉淀法制备高比表面积的铟锡氧化物超细粉末
Reasons of Personnel Resource Sediment in State-owned Enterprise and Solutions;
国企人力资源沉淀现象的成因及对策
Lignin Precipitation in Auto-catalyzed Ethanol Pulping Studied by XPS and AFM
AFM和XPS揭示自催化乙醇法制浆木素沉淀现象与机理
the phenomenon of sediment or gravel accumulating.
沙砾或沉淀物聚集的现象。
A study on the periodic precipition and fractal phenomena in diffusion systems;
多扩散体系中周期沉淀和分形沉淀生长现象的研究
On the "Mediocrity Precipitation" Phenomenon of College Student Counselor-Teams
试论高校辅导员队伍中的“庸才沉淀”现象
A Phenomenon of Ring-like Precipitum Formed by Diffusing Sera of Mice Infected with Plasmodium berghei in Agarose Gel
感染伯氏疟原虫小鼠血清在琼脂糖凝胶上扩散形成沉淀环的现象
At these levels carbon does not precipitate like oxygen, nor is it electrica lly active.
这一浓度下碳既不象氧一样沉淀，也不呈电治性。
The Accumulation of Value in the Public Administration:Surpassing Modernization and Post-modernism;
公共行政的价值沉淀:超越现代与后现代
starch retrogradation
淀粉凝沉, 淀粉回生
A sediment or precipitate that has settled out of a solution.
沉淀溶液中不溶的、沉下的固体沉淀
It is revealed that in double diffusion and immunoelectrophoresis, the product yielded a single precipitating line.
以双扩及免疫电泳鉴定,均呈现单一沉淀线。
The present paper reviews the studies and application of the retention aids in detail.
本文综述了这些新型沉淀剂的研究和应用现状。
Study of Placing Prestressed Reinforceing Steel Bar of Deposition Pool
整体现浇预应力混凝土沉淀池布筋方法研究
Research and Practice on the Deposit Forecasting Model of the Housing Provident Fund;
住房公积金中沉淀资金预测模型的研究与实现
REASON GRAY PRECIPITATION IN DETERMINATION OF AMMONIACAL/NITROGEN AND COUNTERMEASURE
测氨氮出现灰色沉淀的原因及处理方法
Chemical Oxygen Demand--Settled [CODs]
化学需氧量（沉淀）
sediment trap
沉积阱, 沉淀物捕集器
An antigen that induces the production of a precipitin.
沉淀素原促进沉淀素产生的抗原