查询词典 dioxide

The effect of pressure on the activity of carbon dioxide hydrogenation to formic acid was investigated.

考察了反应压力对CO〓加H〓合成HCOOH反应活性的影响。

So it is interesting to investigate the activity over the hydrogenation of carbon dioxide.

尽管CO，CO2加氢的机理已经有大量的研究，二者之间的确也有密切的联系，但是将二者结合起来，对比研究，这方面研究也很少。

The brilliant acupuncture point that can see hydrate of structural Ⅰ carbon dioxide from this is the stable structure that forms by hydrogenous key.

由此可以看出结构Ⅰ型二氧化碳水合物的晶穴是由氢键组成的稳定结构。

The hydrolysis is an important step in the production of titanium dioxide through sulphate process.

在硫酸法钛白粉的生产中，水解技术是其中关键的一环。

The second is relative to the preparation and modification of nanoscale titanium dioxide hydrosol.

第二，研究了纳米二氧化钛水溶胶的合成及其表面改性。

The invention relates to a method for preparing a neutral mixed crystal nano TiO2 hydrosol with high stability, belonging to the photocatalytic active nano titanium dioxide material preparation process technical field.

本发明涉及一种高稳定中性混晶纳米TiO2水溶胶的制备方法，属光催化活性纳米二氧化钛材料制备工艺技术领域。

The result of UV-visible spectroscopy show that the absorption band of the titanium dioxide hydrosol is extend to visible light region, what'more the absorption band in ultraviolet region is strong and wide.

紫外-可见光漫反射吸收光谱分析表明，该纳米二氧化钛水溶胶在紫外光区具有强而宽的吸收带，且其吸收边(500nm)扩展到了可见光区，扩展了对光谱的吸收范围。

A method for forming an aqueous chlorine dioxide solution is disclosed which includes reacting in a reaction vessel an acid reaction solution containing a hydroxy carboxylic acid and a companion acid with an alkali metal salt of a chlorite ion.

本发明公开了一种生成含水的二氧化氯溶液的方法，其中包括在反应容器中让含有羟基羧酸和配对酸的酸的反应溶液与亚氯酸根离子的碱金属盐进行反应。

Nitrogen dioxide is a free radical of very importance. Laser Magnetic Resonance isa powerful technique in the study of hyperfine and Zeeman characteristics of free radicals.

二氧化氮是很重要的分子，激光磁共振是研究自由基超精细结构和Zeeman特性最强有力的手段之一。

Disinfect thing: That solution, stability chlorine dioxide of peracetic acid, hypochlorous acid.

消毒用品类：过氧乙酸、次氯酸那溶液、稳定性二氧化氯。

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。