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- active SiO2 and Al2O3 活性硅铝
- However,SiO2 and MgO can decrease but CaO and Al2O3 increase RSI of magnetite briquettes to a certain extent. SiO2、MgO可在一定程度上降低磁铁矿团块还原膨胀率,CaO、Al2O3则使磁铁矿团块的还原膨胀率增大。
- In the oxidation of marine steel during its rolling,an anti-oxidation coating,mainly composed of SiO2 and SiC,was obtained with the slurry method. 以海洋用钢轧制时的氧化为研究对象,用料浆法制得了以碳化硅和二氧化硅为主要成分的高温抗氧化涂料。
- The results show that the desulfurization efficiency can be increased by adding metal oxide into sorbent, especially CuO and Al2O3. 实验表明,金属氧化物添加能提高脱硫效率,其中铜铝复合吸附剂的作用明显。
- Predicted the abnormal geothermal distribution area using hydrogeochemical geothermal thermometric scale of SiO2 and predirect temperature test in wells. 利用二氧化矽水文地球化学地热温标和井中测温预测地热异常分布范围;
- The linear and logarithmic twoparameter models were built,which can estimate standard enthalpies of binary complex oxides including 32 simple oxides such as CaO,SiO2 and TiO2. 提出了估算二元复合氧化物标准生成焓的双参数模型,包括线性双参数模型和对数双参数模型。
- The clinopyroxene(Cpx) xenocrysts of diopsides with reversal zoned structure are rich in FeO,MnO,Na2O,and Al2O3 in the cores,implying that they could come from the crust. 单斜辉石捕虏晶为透辉石,具有反环带结构,核部具有较高的FeO,MnO,Na2O,Al2O3质量分数,反映了壳源成因;
- He was very active and rode down several horses. 他劲头很大,一连骑了好几匹马。
- The increases of FeO,MnO,Na2O,and Al2O3 contents from transition to rim for Cpx xenocrysts should be attributed to the reaction of the host magma with the xenocrysts. FeO,MnO,Na2O,Al2O3质量分数逐渐升高,暗示与寄主岩浆反应的效应。
- Variable kinds of oxide ceramics, in-cluding Y-TZP,zirconia toughened alumina(ZTA) and Al2O3,were microwave sintered in a home-designedmicrowave applicator. 重点讨论了烧结温度、保温时间对烧结密度的影响。
- The phases and structure of the composites were analyzed by X-ray, SEM, EPMA and optical microscopy. The influences of the amount of Si or SiO2 and the structure on the properties of Mg2Si/Mg composites are discussed. 利用X-射线衍射仪、光学显微镜、扫描电镜、电子探针等对制备的镁基复合材料相组成、组织结构等进行了分析,探讨了Si及SiO_2加入量以及组织结构对镁基复合材料性能的影响。
- The effects of the molar ratios of SiO2 and P2O5, of SiO2 and MgO on the microstructure of the glaze were investigated by means of XRD, SEM and EDS. The forming mechanism of opacifying particles (glass liquid drops and fine grains) was also analyzed. 利用XRD,SEM,EDS等测试技术,研究了SiO2与P2O5和SiO2与MgO的摩尔比与釉层显微结构的关系,分析了乳浊粒子(玻璃液滴和微晶)的形成机理。
- The influence of the thickness of SiO2 and La2O3 on the tunneling current is given to compare much different thickness of SiO2 and La2O3 tunneling current on the same equivalent oxide thickness (EOT) condition. 在等效氧化层厚度相同的情况下,比较了几种不同的SiO_2层厚度和La_2O_3层厚度结构的隧穿电流的大小,给出了SiO_2层厚度和La_2O_3层厚度对隧穿电流的影响。
- The XPS analysis indicates that CeAlO3, formed at high temperature between CeO2 and Al2O3, is observed at the outer surface, that is to say CeO2 nanoparticles are likely adsorbed onto the inner surface of template homogeneously. 通过XPS表征发现CeO_2纳米管的表面上存在CeAlO_3,它是CeO_2与Al_2O_3高温固相反应的产物,这保证了CeO_2纳米颗粒在孔道内壁上按管状物进行均匀吸附。
- Pentacoordinate organic silicon was prepared from hydrophobic superfine SiO2 and then it was used to react with hexachlorocyclotriphosphazne to get silicon-containing polyphosphazene. 以超细疏水性二氧化硅为原料合成五配位有机硅,进一步与六氯环三磷腈反应,合成了含硅聚磷腈。
- He is a very active sort of person and cannot bear to see others idling about. 他是那种积极肯干的人,看不惯别人懒懒散散。
- For all his years, he was none the less active and energetic. 他虽年事已高,但仍生气勃勃,精力旺盛。
- Old as he is, he is none the less vigorous and active. 虽然他年纪很大了,他仍然精力充沛。
- The orient has been playing an active role in the world economy. 亚洲一直在世界经济中发挥积极作用。
- He is an active member of the school's stamp club. 他是学校集邮俱乐部的一名活跃会员。