1、

Study on peroxidation of cumene catalyzed by alkaline earth oxides

碱土金属氧化物催化氧化异丙苯反应研究

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2、

The behavior of halogen ions in alkaline-earth metal oxides+ halogenide+ molten slag of scales was investigated.

研究了碱土金属氧化物+卤化物+氧化铁熔渣中卤离子的行为。

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3、

Higher catalytic activities were achieved by adding alkaline-earth metal oxides to γ-Al_2O_3, among which the catalytic activity of adding 20% ( mass fraction) of MgO was the best.

实验结果表明,添加碱土金属氧化物的γ-Al2O3催化剂的催化活性比添加酸性氧化物的γ-Al2O3催化剂的催化活性高,其中以MgO质量分数为20%的MgO/γ-Al2O3催化剂的催化活性最高。

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5、

Application of Photoelectric Technology in Detection of Nitrogen Oxides in Air

光电技术在大气氮氧化物检测中的应用

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6、

Niobium oxides are favorable promoter and Support.

铌氧化物是优良的促进剂和良好的载体.

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7、

It was observed that alkali metal oxides and alkaline-earth metal oxides were capable of adjusting the distribution of basicity and the amount of base on the surface of γ-Al_2O_3. The results of adjustment, however, were slightly different.

结果发现,碱金属与碱土金属氧化物对γ-Al2O3表面的碱强度分布和碱量有调变作用,但调变结果稍有不同,碱金属氧化物对碱量的增加较为明显;

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8、

2,4-DCP could be completely converted and the liberation of the inorganic chloride improved remarkably by adding alkaline metal oxides or alkaline-earth metal oxides into CuO/ γ-Al2O3 catalyst after 2 h of reaction at 30 ℃.

碱金属和碱土金属氧化物添加到CuO/γ-Al2O3催化剂,30℃,反应2h,2,4-二氯酚能够被完全转化,并且氯离子的去除率也显著提高。

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9、

Encouraging results have also been obtained anodic plasma-oxidation technique for non recessed oxides.

氧化物层,采用阳极等离子体氧化技术也已获得了鼓舞人心的结果.

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10、

Nonionic surface-active agents polyoxyethylene condensates, sucrose esters and alkyl amine oxides.

有聚氧乙烯缩合物, 糖酯和烷基胺氧化物.

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11、

The adsorbing agents such as molecular sieves, metal oxides, active carbons, etc sulfides removal are presented.

介绍了分子筛类 、 金属氧化物类 、 活性炭类等脱硫吸附剂.

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12、

Brazing alloys will not flow over or bond to oxides.

铜焊合金不能流经或粘结在氧化物上.

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13、

By 1960, the sales of beryllium metal, alloys, oxides and ceramics quadrupled.

截至1960年 ﹐ 铍金属 ﹐ 合金 ﹐ 氧化物和陶瓷的销售量已增至四倍.

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14、

Iron presents in abundance as variety of Fe ( III ) oxides in crust.

Fe在地壳中含量丰富,通常以各种Fe ( III ) 氧化物的形式存在.

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15、

Because it reacts easily with oxygen in the air to produce crumbly red iron oxides.

因为它非常容易和空气中的氧气起反应,生成易碎的红色氧化铁.

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16、

The best composition of oxides doping CaBi 4 Ti 4 O 15 ( CBT ) ceramic was chosen by perpendicular experiments.

采用正交实验优化了各氧化物掺杂CaBi4Ti4O15 ( CBT ) 陶瓷的最佳配方.

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17、

The investigated anode materials include modified carbons, nitrides, silicides, oxides and novel alloys.

研究的负极材料主要有:改性碳材料 、 氮化物 、 硅化物 、 氧化物和新型合金.

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18、

The microstructures and thermoelectric properties of Ca 3 Co 4 Oo-based oxides doped by four dopants have been investigated.

选用四种元素作为掺杂剂,分别研究了所得材料的显微结构和热电性能.

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19、

A deodorant catalyst CMT A composed of transition metal and rare earth oxides was prepared.

介绍了以堇青石蜂窝陶瓷薄片为载体,附载过渡金属及稀土金属氧化物活性组分制备的CMT- A除臭催化剂.

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20、

Precipitation by oxalate is the primary method to produce rare earth oxides.

稀土草酸盐沉淀法是制备稀土氧化物的主要方法.

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