化合

The spheroidal precipitates exist at the interrace of WC/γ phases ...

初步推测，稀土在此处以原子态存在，但不排除以化合状态存在的可能。

In the solar energy transfer and storage system,the isomerization of norbornadiene and quadricyclane is an important reaction.

在太阳能转换与储存体系中，降冰片二烯光异构化合成四环烷是非常重要的一个反应。

A new mathematical model is built based on the laminar flow model and coalescence and redispersion model.

在层状扩散模型和聚并分散模型的基础上，建立了一个新的数学模型，以1—萘酚与对氨基苯磺酸重氮盐这一竞争串联偶氮化合反应体系为例，计算了反映微观混合状态的离集指数。

Lead acetate and beryllium salts, along with most antifreeze compounds, are syrupy sweet and lethal.

醋酸铅和铍盐以及很多的低溶点的化合物像糖浆一样甜，并且是致命的。

"Lead chromate, PbCrO, a yellow pigment often combined with lead sulfate, PbSO, for lighter hues."

铬黄铬酸铅，PbCrO，一种通常与硫酸铅化合的黄色染料，PbSO，用于浅色颜料。

"Lead chromate, PbCrO, a yellow pigment often combined with lead sulfate, PbSO, for lighter hue s."

铬黄铬酸铅，PbCrO，一种通常与硫酸铅化合的黄色染料，PbSO，用于浅色颜料。

Under the catalyst, the polymerization retarder, the including water medicinal preparation existence condition, the methylacrylic acid and the polyethylene glycol single methyl ether (400) direct esterification synthesis methylacrylic acid polyethylene glycol single methyl ether (400) ester, and the influence factors of the catalyst, polymerization retarder, including water medicinal preparation has mellowly carried on the comparison.

摘要在催化剂、阻聚剂、带水剂存在的条件下，由甲基丙烯酸与聚乙二醇单甲醚(400)直接酯化合成甲基丙烯酸聚乙二醇单甲醚(400)酯，并对酸醇比、催化剂、阻聚剂、带水剂等影响因素进行了比较。

A new technology for synthesis of mesitylene from pseudocumene by liquid non-hydroisomerization on M-2 catalyst was studied.

在M-2型复合丝光沸石催化剂上，研究了偏三甲苯液相非临氢异构化合成均三甲苯的工艺。

Hydrogen can combined with metals easily with the formation of metalic hydroxides, in high temperature hydrogen will reduced these hydroxides back by binding with oxygen.

氢很容易与非金属元素化合，也能形成金属氢化物，在高温下氢能从许多化合物中夺取氧，使氧化物还原。

β-Methylhydrogen itaconate was prepared from itaconic acid and methyl alcohol with benzoyl chloride as catalyst.

摘 要：以衣康酸和无水甲醇为原料，酸性催化下酯化合成β-衣康酸单甲酯。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。