查询词典 oxides

This paper has firstly reported heterogeneously catalyzed selective oxidationof toluene to benzaldehyde with molecular oxygen in liquid phase. It has beenfound that copper and iron oxides catalyst supported on ?

本论文提出采用多相催化剂，以分子氧为氧源，液相条件下的合成路线是提高目标产物选择性的有效途径之一。

The study results of sediments from Guangzhou water body showed that the main crystalline minerals in sediments were quartz, kaolinite and hydromica, and heavy metals were associated mainly with residual phase, organic phase and iron oxides phase.

而且解吸和吸附过程不是完全可逆的；(6)广州城市水体污染沉积物中的结晶矿物相以石英、高岭石和水云母类矿物为主，重金属元素Pb、Zn、Cu、Ni、Cr、Mn主要以残渣态、有机态和氧化铁结合态存在。

Mg-Al composite oxides catalyst is produced from a typical structure of hydrotalcite brucite-layer by precipitation.

以沉淀法制备了以水滑石为前驱体的Mg-Al复合氧化物催化剂。

The principal ore of aluminum, composed mainly of hydrous aluminum oxides and aluminum hydroxides.

铝土矿铝的基本矿石，由含水的氧化铝和氢氧化铝组成

Preparation of hydrous titanium oxides by ion-exchange and separation of impurities were studied.

3液固相离子交换制备偏钛酸并高效分离杂质离子。

Isocyanic acid plays an important role in combustion and atmospheric chemistry. It is a potential agent for effectually eliminating nitrogen oxides in exhaust gas streams.

异氰酸在燃烧和大气化学中起着重要的作用，它可以从燃烧的废气中快速除去有毒的化合物。

Results There were about 15 kinds of chemical poisons including vinyl chloride,polyvinyl alcohol,isoparaffin,polyvinylacetate,sodium hydrate,ammonia,acid hydroc,methanol,diesel oil,carbon monoxide,carbon dioxide,sulfur dioxide,nitrogen oxides,ozo...

结果在聚氯乙烯的生产过程中，作业场所存在化学毒物较多，主要包括氯乙烯、聚氯乙烯、聚乙烯醇、过氧化物、异链烷烃类、聚乙烯乙酸酯、氢氧化钠、氨、盐酸、甲醇、柴油、一氧化碳、二氧化碳、二氧化硫、氮氧化物、臭氧、二氧化锰等。

Methods for the preparation of isothiocyanates from various starting materials such as tert-alcohol, amine, nitrile oxides and isocyanides were reviewed.

综述了以不同起始原料如叔醇、胺、腈氧化物及异腈化物等合成异硫氰酸醋的方法，并对某些反应机理进行探讨研究。

In this paper, the main content as follows:(1)Using methyl orange as a model pollutant, the influence of the presence of four kinds of manganese oxides (δ-MnO_2,α-MnO_2,γ-MnOOH and natural manganic ore) on photocatalytic activity of TiO_2 has been investigated.

本论文的主要内容为：(1)以甲基橙为模拟污染物，考察四种氧化锰：δ-MnO_2、α-MnO_2、γ-MnOOH和天然锰矿的共存对TiO_2光催化活性的影响。

Water; Glycerin; Sodium Laureth Sulfate; Polyethylene; Acrylates/C10-30 Alkyl Acrylate Crosspolymer; Lauryl Glucoside; Phenoxyethanol; Microcrystalline Wax; Fragrance; Methylparaben; Menthyl Lactate; Sodium Hydroxide; Tetrasodium EDTA; Cellulose; Lactose; Sodium Ascorbyl Phosphate; Acrylates/Ammonium Methacrylate Copolymer; Hydroxypropyl Methylcellulose; Mica; Talc; Titanium Dioxide; Tocopheryl Acetate; Triethyl Citrate; Cucumis Sativus Fruit Extract; Citrus Grandis Fruit Extract; Panax Ginseng Root Extract; Zingiber Officinale Root Extract; Iron Oxides; Red 30; Yellow 5; Yellow 5 Lake

水；甘油；钠Laureth硫酸盐；聚乙烯； Acrylates/C10-30烷基丙烯酸酯Crosspolymer ；十二烷基糖苷； Phenoxyethanol ；微晶蜡；香水； Methylparaben ；薄荷乳酸；氢氧化钠； Tetrasodium乙二胺四乙酸；纤维素；乳糖；钠抗坏血酸磷酸酯；丙烯酸酯/铵甲基丙烯酸共聚物；羟丙基甲基纤维素；云母；滑石粉；二氧化钛； Tocopheryl醋酸；三柠檬酸；黄瓜水果提取物；柚皮果提取物；人参根提取物；生姜根提取物；铁氧化物；红30 ；黄河5 ；黄河5湖

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。