您要查找的是不是:
- vanadium phosphorus oxide catalyst 钒磷氧化物催化剂
- The catalytic activity of some vanadium phosphorus oxides was also compared, and the results showed that higher product yields were obtained when using acetonitrile as the solvent than using toluene. 此外,对不同钒磷氧化物的催化活性进行了比较,结果表明,在乙腈溶剂中的产品收率比在甲苯溶剂中高。
- Synthesis of acetophenone ethylene glycol ketal using vanadium phosphorus oxide as heterogeneous catalyst 钒磷氧非均相催化合成苯乙酮乙二醇缩酮
- Keywords Benzaldehyde 1;3-butanediol acetal;Green synthesis;Catalysis;Vanadium phosphorus oxide; 苯甲醛1;3-丁二醇缩醛;绿色合成;催化;钒磷氧;
- vanadium phosphorus oxide 钒磷氧化物
- The result demonstrates that only a few phosphides contribute to spontaneous crumbing of the RE silicide alloy by reacting with water and forming oxide or phosphorus oxide. 结果表明:含磷稀土硅化物合金中只有少部分磷化物能够水化,生成氧化物或含磷氧化物,从而对合金粉化起作用;
- The physicochemical features of ZSM 5 zeolite modified with phosphorus oxide were characterized by XRD, NMR, IR and BET, and the shape selective catalytic performance of the samples were investigated on MAT and fixed fluidized bed reactor. 采用磷氧化物对ZSM 5沸石进行修饰改性 ,用XRD、NMR、IR、BET等物化手段对改性后沸石的物化性质变化情况进行了表征 ,并采用轻油微反和小型固定流化床催化裂化装置对改性后的样品进行了反应性能评价。
- The results showed that the super absorbent polymers added in ammonium bicarbonate could obviously promote the absorption of nitrogen,phosphorus oxide and potassium oxide by maize plants. 田间小区试验结果表明,在碳酸氢铵肥料中配合施用适量高吸水性树脂,明显促进玉米植株对氮、磷、钾的吸收。
- Keywords vanadium oxide;phosphorus oxide;preparation condition;toluene;ammoxidation;benzonitrile; 氧化钒;氧化磷;制备条件;甲苯;氨氧化;苯甲腈;
- How can you get rid of this oxide coating? 你们该怎样除去这些氧化皮?
- A fertilizer containing phosphorus compounds. 磷肥含有磷化合物的一种化肥
- No animal or plant can exist without phosphorus. 没有一种动物或植物离开磷能够生存。
- A mixture of black manganese oxide minerals. 硬锰矿一种黑色氧化锰矿的混合物
- A gaseous anesthetic, such as nitrous oxide. 气体麻醉剂一种气态的麻醉剂,如一氧化二氮。
- In the absence of heat, I think, no oxide coating should form during rolling. 在无加热的条件下,我想,轧制过程中不会生成鳞皮吧!
- The paper was studied the adsorption behavior and mechanism of D201 resin for vanadium (V), phosphorus, silicon. 本文采用D201树脂吸附钒、磷、硅,并对其吸附性能和机理进行了研究。
- An oxide containing three oxygen atoms per molecule. 三氧化物每个分子中含有三个氧原子的氧化物
- Phosphorus is essential to plant growth. 植物生长需要磷。
- A stick of phosphorus fell on the floor. 一块磷条掉在地上。
- The phosphorus burns vigorously in the air at once. 磷立即在空气中猛烈燃烧。