查询词典 oxide

"It has valence 2 or 4 in compounds, including stannous chloride (used in tin galvanizing and manufacturing polymers and dyes), stannous oxide (used to make tin salts for chemical reagents and pla tin g), stannous fluoride (used as an anticavity ingredient in toothpastes), stannic chloride (a stabilizer for perfumes and a source of other tin salts), and stannic oxide (a catalyst and a polishing powder for steel)."

在化合物中的原子价为2和4。化合物包括氯化亚锡(用于电镀锡以及制造聚合物和染料)、氧化亚锡(制备化学试剂和电镀用的锡盐)、氟化亚锡、氯化锡(香水的稳定剂以及其它锡盐的原料)以及氧化锡(催化剂以及钢材的拋光粉)。

The rare earth oxide and strontium salt can refine the basic structure 、 firstborn Si phase and firstborn α branch crystal.The dispered oxide grains as the second phases reinforced the alloys.

稀土氧化物及锶盐的加入使基体组织，尤其是初晶Si及初生树枝晶α相得到细化，弥散分布的氧化物颗粒起到第二相强化作用。

The invention adopts a low temperature solid state reaction method, proceeds from europium oxide, molybdenum oxide and strontium carbonate, and can synthesize the UV-excited europium-doped strontium molybdate LED red phosphor having stable chemical performance without high temperature calcinations. The method is high in maneuverability and good in reproducibility. The obtained product is stable in quality and regular in appearance.

本发明采用低温固相反应法从氧化铕，氧化钼与碳酸锶出发可以不需要高温煅烧合成出化学性能稳定、紫外激发LED用铕掺杂钼酸锶红色荧光粉，本发明方法的可操作性强，重现性好，所得产品质量稳定，形貌规整。

However, with the advancement of technology, modern chemical industries as well as the use of fossil fuels in mankind's daily lives which emit carbon dioxide, nitrogen oxide, sulphurate oxide and suspended air particulates etc.

然而伴随着科技日新月异的提高，现代化工产业以及人类生活中使用化石燃料所产生的二氧化碳、氮氧化物、硫氧化物与可悬浮颗粒物等可以改变原有的空气组成，并引起污染，造成全球气候变化，破坏生态平衡，影响人们的身体健康和生活质量。

Objective To study the change of nitric oxide, nitric oxide synthetase, malondialdehyde and superoxide dismutase level in cerebrospinal fluid of children with viral encephalitis.

目的 探讨病毒性脑炎患儿脑脊液中一氧化氮、一氧化氮合酶、丙二醛和超氧化物歧化酶的变化特点。

It is expected that the difference between the rare-earth oxide and thoria on thermodynamic properties may influence the migration of oxide, but obvious effect is not achieved.

同时由于稀土氧化物与W基体熔点的显著差异，造成其对W电极材料的加工性能的影响又成为难以解决的问题。

Zinc oxide is Zincic resource .100mg/kg and 2000mg/kg of zinc oxide is given to the two groups,and the third group is not given.the economic benefits are elevated 11.3% and 26.34% for the foregone two groups.it is obvious that adding zinc into daily diet is better for weaner pigs in growth ,reducing diarrhea rate and elevating economic benefit

试验Ⅰ组和试验Ⅱ组分别添加100mg/kg和2000mg/kg氧化锌，对照组不添加。试验结果表明经济效益分别提高了11.3%和26.34%。可见，日粮中添加锌对断奶仔猪促进生长、降低腹泻率和提高经济效益有明显效果。

Arsenious oxide (arsenic tri oxide or white arsenic, As2O3) is used in pesticides, as a pigment, and as a preservative of hides and wood; this is the poisonous "arsenic" in detective stories.

砷氧化物(As2O3)常被用做杀虫剂、色素，以及皮革和木制品的防腐剂，在许多侦探小说中曾提及这种有毒物质砷，即砒霜。

Zinc oxide is a semiconductor oxide materials with hexagonal wurtzite structure, it has excellent optical and electrical properties.

ZnO是一种具有六角纤锌矿结构的氧化物半导体材料，具有优异的光学和电学特性。

Recently, Lacorre and his coworker discovered that La_2Mo_2O_9 as a new type of oxide-ion conductor has higher oxide-ionic conductivity than that of conventional yttria stabilized zirconia. However, up to now, most of the literatures on La_2Mo_2O_9 and doped La_2Mo_2O_9 reported mainly concerned with the characterization of structure and phase transformation, there has been no detailed work with respect to the conduction property on them.

最近，Lacorre等人发现新型氧离子导体钼酸镧(La_2Mo_2O_9)复合氧化物具有比传统的氧化钇稳定的二氧化锆更高的氧离子电导率，但至今有关La_2Mo_2O_9基氧化物的文献侧重于其结构、相变的报道，对其导电性能及其变化规律的研究报道较少。

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。