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- A series of niobic acids at different calcination temperatures was prepared. 在不同焙烧温度下制备了一系列固体铌酸催化剂。
- Effect of precipitator, precipitation method, preparation methods, calcined temperature and the composition of the catalyst were investigated. 考察了沉淀剂、沉淀方式、催化剂的负载方法、煅烧温度以及催化剂组成对催化剂活性的影响;
- The influences of preparation method, the calcined temperature and auxiliary forming reagent on the activity of the Fe Mo Co O catalyst for oxidation of methylal to formaldehyde were studied. 考察了制备方法、焙烧温度和成型助剂对甲缩醛氧化制甲醛铁钼钴三元催化剂活性的影响。
- Regioselectivities of nitration of toluene with nitric acid in the presence of phosphomolybdic acid catalyst prepared under different calcination temperatures were investigated. 制备了钼磷酸催化剂,研究了在不同焙烧温度及溶剂存在下,对甲苯一硝化产物中的对位选择性。
- The effects of material fines,calcinating temperature,raising temperatures velocity,addition agent as well as hydrogenant condition on physic-chemical character of calcined kaolinite are investigated. 研究了煤系高岭土在煅烧过程中原料细度、煅烧温度、恒温时间、升温速度、添加剂及还原气氛对产品物化性能的影响。
- The relation beside the temperature of the product calcined and the final calcining temperature in production of prebaked-anode has been discussed. 并进一步讨论了预焙阳极生产工艺中,制品焙烧温度与石油焦煅烧最终温度的关系。
- The results show that the calcined kaolin has been transformed from crystallized kaolin to non-crystal one,and calcinate temperature has some influence on its structure. 实验结果表明:煅烧产物由煅烧前的晶态转变成了非晶态,煅烧温度对煅烧产物的结构有一定影响。
- The crystallization,phase transition,dehydration and desulfuration of amorphous ZrO2 impregnated by H2SO4 under various calcination temperatures were studied with XRD,TG-DTG-DTA,SEM and chemical analysis methods. 本文用XRD、TG-DTG-DTA、SEM和化学分析等多种实验手段研究了浸渍H_2SO_4的无定形ZrO_2在不同焙烧温度下的晶化和相变;失水和失硫等过程.
- This paper conducts a systematic study of coal-gangue calcinated under different temperatures in quest of its optimum calcinating temperature. 本文对不同温度下煅烧煤矸石进行了系统研究,以寻找煤矸石活性的最佳煅烧温度。
- In this paper, the effects of calcination temperature, holding time and content of dolomite on the strength and expansion rate of cement mixed with calcined dolomite were investigated. 研究了白云石的煅烧温度、保温时间以及掺量等因素对水泥物理性能和膨胀行为的影响.;结果发现;随着白云石煅烧温度的提高;水泥石的强度降低;膨胀率增大;
- In this paper, the effects of calcination temperature, holding time and content of dolomite on the strength and expansion rate of cement mixed with calcined dolomite are investigated. 研究了白云石的煅烧温度、保温时间以及掺量等对水泥物理性能和膨胀行为的影响规律。
- Fluctuations in temperatures put their results oat by a mile. 由于温度起伏不定,他们的测验结果很不准确。
- The effects of different dying methods、calcining temperature and gel patterns on partical and BET were discussed here. 讨论了不同干燥方法、焙烧温度、凝聚方式等对二氯化锆粒径、比表面积的影响。
- Effects of calcining temperature and dosage of salt sludge absorbents on color removal were studied. 采用氯碱工业的含镁盐泥对直接染料废水进行脱色处理。
- The influence of the gold and vanadia loadings and calcinations temperature on the catalytic activities were studied. 探讨不同金含量、与锻烧温度对苯及甲苯完全氧化反应之影响,寻求进行苯及甲苯完全氧化反应时之低温触媒。
- Report any changes in his temperatures to the head nurse. 他体温出现任何变化都要向护士长报告。
- The limestone must be calcined in such a way. 石灰石必须煅烧到这样地步。
- The catalyst gets high activity and DPC yield is 44.8%, when calcination temperature is 500?, Pb(NO3)2and Zn(NO3)2 as precursors, and Pb:Zn=2:l. 当焙烧温度为500℃、Pb(NO_3)_2和Zn(NO_3)_2作母体、二者比为2:1时,DPC产率达44.;8%25。
- The results show:reducing agent,solvent,P/V ratio,drying conditions and calcination temperature can influence the physical properties of VPO catalysts. 试验结果表明还原剂、溶剂、P/V摩尔比、干燥条件及焙烧温度都对VPO催化剂的物理性质有影响。
- The elevated calcinated temperature was favorable to the activity of PMC and PHC, which was different from that of coal chars. 高温煅烧总体上是有利于提高石油焦和沥青焦的气化反应性,这不同于高温热解对煤焦气化反应性的影响;