1) activated tungsten oxide
活性氧化钨
1.
With the material of activated tungsten oxide, which has high specific surface energy, high activity and simple composition, submicron W and WC powders can been produced through two main processes of deoxidization and carbonizatioa The main technical parameters, which have an influence on particle size and particle pattern of submicron W and WC powders, have been studied.
以活性较高、比表面能大和相成分单一的活性氧化钨为原料,通过顺氢还原和碳化两个主要工序制取微纳米钨和WC粉末,研究了主要工艺参数对钨和WC粉末粒度分布和颗粒形貌的影响。
2.
Through technical experiment and optimizing, the homogeneous and fine W and WC powder were produced from activated tungsten oxide owing to its characters of fine powder, developed surface energy, high activity and simple composition.
利用活性氧化钨粉末细、表面能发达、活性高、相成分单一等特点 ,经过工艺试验和优化 ,生产出粒度分布较用蓝色氧化钨生产的中细钨、碳化钨粉末均匀 ,同时也减少了中细钨、碳化钨粉末中的粗大晶粒和聚集颗粒 ,从而提高了中细钨、碳化钨粉末的质量 ,并且利用此碳化钨粉末还可以生产出高质量的合金产
2) W/WO 3
钨/氧化钨
3) oxidative activity
氧化活性
1.
Effect of carrier on the oxidative activity of Thiobacillus ferrooxidans and analysis of biomass;
载体对氧化亚铁硫杆菌氧化活性的影响及生物量分析
4) Oxidation activity
氧化活性
1.
Effect of dryness preservation on Fe~(2+) oxidation activity of Thiobacillus ferrooxidans;
干燥保存对氧化亚铁硫杆菌(Fe~(2+))氧化活性的影响
2.
Effect of sulfide minerals on acidithiobacillus ferrooxidans oxidation activity of Fe~(2+);
硫化矿对浸矿细菌(Fe~(2+))氧化活性的影响
3.
In certain range of loading, Cu-Ag/Al2O3 possessed high oxidation activity (between Ag/Al2O3 and Cu/Al2O3) and also high N2 selectivity of Cu/Al2O3.
实验结果表明,Ag/Al2O3 和 Cu/Al2O3分别具有高氧化活性和高 N2选择性的优点;一定负载量范围内,Cu-Ag/Al2O3复合催化剂既具有高氧化活性(介于Ag/Al2O3和Cu/Al2O3之间),又具有Cu/Al2O3的高N2选择性,当反应温度为280℃时,Cu5%-Ag5%/Al2O3对NH3的氧化率大于96%,N2选择性大于95%。
5) oxidizing activity
氧化活性
1.
The analysis indicates that matching the relation among the pH value, iron concentration, oxidizing activity and radox potential was the key to keep Fe~(3+) deposition least, on the base of bacteria adapting lower acid.
分析表明,在驯化适应低酸条件下浸矿细菌的基础上,合理调配酸性介质pH值、铁浓度、细菌氧化活性、氧化还原电位Eh值之间的关系,能使铁产生的沉淀降到最小化。
6) Catalytic activity
氧化活性
1.
The effect of preparation condition on the structure and catalytic activity of Ni Co O complex oxides was investigated.
用ＴＰＲ、ＸＲＤ氧化活性评价等实验手段对催化剂进行了考察。
补充资料：银-氧化锡-氧化钨
分子式：
CAS号：
性质：银基添加氧化锡和氧化钨的电接触材料。氧化钨(或氧化钼)可改善氧化锡的浸润性，减少接点过热。使用寿命大幅度提高。采用烧结挤压法制造。中等负荷电接触材料，用在各种接触器、电机起动器、低功率断路器等电器中。Ag-11.5SNO2-0.5WO3和Ag-11.2SnO2-0.8MoO3可在很多应用领域代替AgCdO。
CAS号：
性质：银基添加氧化锡和氧化钨的电接触材料。氧化钨(或氧化钼)可改善氧化锡的浸润性，减少接点过热。使用寿命大幅度提高。采用烧结挤压法制造。中等负荷电接触材料，用在各种接触器、电机起动器、低功率断路器等电器中。Ag-11.5SNO2-0.5WO3和Ag-11.2SnO2-0.8MoO3可在很多应用领域代替AgCdO。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条