查询词典 oxide

Bourgeon , location distribution and growth of porosity anodic oxide film affected by the formed air bubble were brought forward .

由此提出气泡的产生会影响多孔型阳极氧化膜孔的萌生，位置分布以及孔的生长。

Objective To study the roles of nitric oxide and endothelin-1(ET-1) in pathogenesis of bronchial asthma.

目的 探讨一氧化氮和内皮素-1(ET-1)在支气管哮喘发病中的作用。

Etherification of butanol with ethylene oxide by a new style solide acid catalyst is investigated.

研究了丁醇和环氧乙烷在一种新型固体酸催化剂上的醚化反应。

Firstly, quantum chemical method was employed to investigate the mechanism of cationic ring-opening polymerization of tetrahydrofuran and butylene oxide.

本文首先应用量子化学方法分别探讨了四氢呋喃和环氧丁烷的阳离子开环聚合反应机理。

The mechanism of ring-opening cationic polymerization reaction of tetrahydrofuran and butylene oxide was analyzed on the basis of electronic microstructures by using frontier orbitaltheory.

求取了四氢呋喃和环氧丁烷单体与仲氧鎓离子反应的过渡态，并根据频率分析和内禀反应坐标计算对过渡态的合理性进行了确认。

We are the net importer of BDO at all times, and the import quantities have taken on the ascending tendency recently. The consumer products include polyurethane, butylene oxide and so on.

预计到2008年世界在建、拟建的BDO装置能形成能力的约为25万吨／年左右，届时世界BDO总能力将达到120万吨／年左右，若开工率达到85％，方可满足对BDO消费的需求量。

The scale of the construction is 50 thousand tons per year BDO project, and the finished products are BDO, butylene oxide and gasol.

我国一直是BDO的净进口国，近几年来的进口量呈逐年上升之势，BDO在国内的消费函盖PB吨、聚氨酯、四氢呋喃、γ-丁内酯等诸多方面，另一方面，国外BDO生产和销售的发达国家近几年酯-醚共聚物消耗BDO的速度发展很快，估计未来BDO在国内的消费速度约为10％，高于国民经济约2-3百分点，这个发展速度基本符合BDO的消费实际。

Dr Kamat and his team covered the surface of an experimental cell made of cadmium sulphide, zinc oxide and titanium dioxide with nanotubes, so that the tubes stuck up from the surface like hairs.

Kamat博士及其团队的实验电池以硫化镉、氧化锌、氧化钛为原材料，他们在电池的表面覆盖碳纳米管，使得表面突起的那些"管子"看似头发丝。

A new process of preparing high-purity zinc directly from complex zinc oxide materials or zinc calcine was invented.

首次在zn-NH_3-NH_4Cl-H_2O体系中，直接由复杂的氧化锌物料和锌焙砂生产高纯锌。

The most important include calcium oxide, calcium hydroxide, calcite and dolomite.

其中最重要的有氧化钙、氢氧化钙、方解石和白云石。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。