查询词典 dioxide

W - doped vanadium dioxide film was prepared by dipping V - W commixed sol on surface of glass slide and reducing in hydrogen atmosphere.

采用钒-钨混合溶胶及浸渍提拉法在玻璃基片上涂五氧化二钒膜，再通过氢还原法制备掺钨二氧化钒薄膜。

The current scope of major pollutants includes sulfur dioxide and chemical oxygen demand, a gauge of water pollution.

现在主要污染物的范围包括二氧化硫和化学需氧量，为一个衡量水污染程度的指标。

There are nitrogen,oxygen,a little carbon dioxide and water vapour.

它们分别是氮气，氧气，少量的二氧化碳和水蒸汽。

Moreover, water-vapour and carbon dioxide in the lower air ''.

而且，较低空气层的水蒸气和''。

Moreover, water-vapour and carbon dioxide in the lower air absorb most of the infra-red radiations sent to us from the planets.

而且，较低空气层的水蒸汽和二氧化碳能够吸收行星传播到我们这里的大部分红外射线。

The technology of extracting waxberry pin oil was investigated using supercritical carbon dioxide.

采用超临界CO2流体萃取技术对杨梅仁中杨梅仁油的提取工艺进行优化研究。

Chemical treatments could efficiently decrease the amount of waxiness, the cellulose, semi-cellulose and silicon dioxide of raw rice straw, while water-soluble compounds of the treated rice straw was increased and therefore the treated straw could be easily attacked by soil microorganisms.

在此基础上，本文通过小麦和菠菜盆栽试验，研究了经过化学处理的水稻秸秆与氮肥配施对土壤微生物量碳、氮、矿质态氮(NO_3~--N+NH_4~+-N)的动态变化以及作物生长的影响，获得以下研究结果： 1。

The automatic control system of welding torch height for the carbon dioxide arc welding based on a MCS-8051 single-chip-microcomputer is developed.

设计了一种以MCS - 80 51单片机为核心的焊炬高度自动控制系统。

Engelhard Corporation is a worldwide leading environmental technology company, with its high-tech technologies will chlorine dioxide into a civilian version of the product for home-style applications.

安格公司是世界性引领环保技术的公司，它以高科技的技术将二氧化氯转化为民用版的产品，作家居式的应用。

A primary investigation into the separation of carotene, xanthophyll s and chlorophylls on reversed-phase C18 supercritical carbon dioxide chromatography was made in this study.

在本项研究中，应用反相C18固定相超临界CO2色谱对胡萝卜素、叶黄素和叶绿素的分离进行了初步的探索。

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。