Study and Practice on the Principal of Chemical Reaction in Situation Teaching 《化学反应原理》情境教学的研究与实践
The results indicate that the interfacial reaction products are isolated small particles of MgAl 2O 4. The principal supply of oxygen in reaction is the residual thin SiO 2 layer around the as received SiC particles. 结果表明:界面反应物为离散分布的小颗粒状MgAl2O4,反应中氧的主要来源为原始态SiC颗粒表面残留的SiO2薄层;
Applying principal of topotactic reaction in the same crystal class, in the presence of bivalence metal ion and preventing from air oxidizing, the dust was transferred to spinal ferrite MnFe_2O_4. The magnetic properties of spinel ferrite MnFe_2O_4 were studies, but magnetic hysteresis loop were determined. 在有二价Mn2+离子存在及避免氧化的条件下,将平炉尘转化为超细尖晶石型铁酸盐MnFe2O4。并对其磁性进行了研究,测定了磁滞回线。
This paper brief introduced that reaction principal, characteristic and reaction process of screw extrusion technology, and its application in food industry. 简要介绍螺杆挤压技术的反应原理、反应特点、反应过程及其在食品工业中的应用。
The fuzzy control principal and its application in fermentation temperature control of beer brewery are introduced in this paper. Aimed at the complex biochemical reaction of beer brewery, the two grade distributed computer system based on Fuzzy-PI control is put forward. 介绍了模糊控制理论在啤酒发酵温度控制中的应用,并针对啤酒发酵这样一个复杂的生化反应,提出了一种两级分布式微机Fuzzy-PI控制的系统方案。
Coking experiments under different conditions were carried out to find out the principal causes for coking and those key components during coking process. From the experimental results, reaction kinetic models were also studied to discuss the characters of coking reactions in flare gas. 测定不同操作条件下火炬气结焦的情况,由此找出引发火炬气结焦的主要原因和火炬气结焦的关键组分,并根据实验结果研究结焦反应动力学模型,探讨结焦反应机理和结焦反应的规律。
Electrophilic addition, which is the principal reaction of cyclization; 亲电加成,它是成环的主要反应;
Results The principal cause of transfusion reaction was long-time stash after allocating transfusion. 结果配液后放置时间长是引起输液反应的主要原因。
Application of Principal Component Possion Regression Analysis in Air Pollution Health Dose Reaction Models 主成分Possion回归在大气污染健康效应剂量反应模型研究中的应用
The produced hydrogen radical from the whole processes gives another principal product, H2.The CHxO reaction path is more favored than the CHx alternative. 整个反应过程中所产生的H自由基之间和化合反应产生了反应的另一主产物H2。
Therefore, Principal component Possion Regression possesses practical values in the establishment of multi-air pollutants health dose reaction models. 因此,主成分Possion回归在建立大气多污染物健康效应剂量反应关系模型中具有实用价值。
Principal component analysis method of combustion reaction kinetic mechanism reduction 燃烧反应动力学机理简化的主成分分析法
Preparation of C+ x · HSO-4 intercalation compound by hydrothermal synthesis method is reported, the effects of principal reaction conditions such as oxidizer, intercalant, reaction time, reaction temperature and ratios of starting materials are studied. 通过水热法成功地合成了C+x·HSO-4石墨插层化合物,讨论了氧化剂、插入剂、反应时间、反应温度和原料配比等对插层反应的影响,以及热力学对插层反应的影响。
The use of situation material in teaching The Principal of Chemical Reaction is analyzed and the implementation method and case is introduced as well. 第三部分,介绍研究方法和内容,分析《化学反应原理》教学中使用的情境素材,介绍实施情境教学的方法和案例。