step by step reaction

Carbon-supported Pt-Fe alloy and Pt catalyst were prepared by two-step reaction containing liquid deposit and gas-solid reducing. Three active carbon carriers were investigated.

用铁作掺杂元素，通过液相均相沉淀-气/固高温还原两段反应方法合成了碳载Pt-Fe合金电极催化剂。

To determin the diluted blood clotting of fish speed up the enzymatic reaction mechanism, we refer to the basic process of blood clotting response of mammals, fish test carried out step by step.

为了检测鱼类的血液被稀释后凝固加快的酶促反应机理，本试验参照哺乳动物的凝血反应的基本过程，对鱼的凝血反应进行了分步检测。

The pH effect upon the sample phase components of Mg/ Al-LDH nanocrystalline prepared by the one-step reaction liquid phase method and the nanocrystalline particle sizes is studied.

研究了pH对一步反应液相法制备Mg/Al-LDH纳米晶体试样的相组成及其纳米晶粒大小的影响。

By adopting multi step reaction, the particle ′ s size can be desirably controlled and the anisotropy of the particle ′ s shape can also be kept.

采用多步反应法，还可控制粒子的大小，并保持粒子外形的各向异性不变。

We deduce that senior grade one is the differentiation period of concept formation of Redox Reaction and that the students are amending their psychological model step by step.

揭示了高一年级是学生氧化还原反应概念形成的分化期，学生氧化还原反应概念转变是心理模型不断修正的动态过程。

Calculation method of initial nucleation temperature of phases during rapid solidification by continuous cooling of multi-step reaction

连续冷却多阶段快速凝固过程起始形核温度的计算

To get a full understanding of the reaction thrust generated by water jet is the preliminary step that has to be taken before the designs of water jet cutting systems and jet propulsion systems.

认识并掌握水射流产生推进力的机理，是进行水射流切削系统和水射流推进系统设计的基础。

To catalyze the reaction of propylene with H 2O 2 in one step by titanium silicalite to produce catalyzed auto-oxidation of tetralin in hydro/ organic two-phase system when oxygen taken as oxygen source;

以分子氧为氧源，在水/有机两相体系，催化四氢萘的自动氧化，α-四氢萘酮的选择性为68%；

The optimal conditions of reaction for preparation of sodium cellulose sulfate ( NaCS) were found by the method of orthogonal design. Then the process was scaled up to 1L and 5L step by step.

用正交试验进行了500mL反应器制备条件的摸索，并将其逐步放大到1L、5L反应器中进行，确立了5L规模的生产工艺条件。

S In this paper polyacrylate modified layered white bole nano composite was prepared by multi step exchange reaction and diffusion polymerization method.

介绍了通过多步交换反应及扩散&聚合的方法，制备出聚丙烯酸酯改性层状白泥纳米复合物。