查询词典 dioxide

In fact, the crystal is silicon dioxide (SiO2) of the crystal, ice and water or no intrinsic link.

其实，水晶是二氧化硅（SiO2）的晶体，与水或冰没有内在联系。

Under the characteristics of the raw materials of slag made of ilmenite in our country, we use sulfuric acid to produce titanium dioxide in this design, use orthogonal test analysis to investigate the acid soluble condition and make analytical discussion about the influencing factors of sulfuric acid rate.

针对我国钛铁矿制出的钛渣原料的特性，设计采用硫酸法生产钛白粉工艺。本实验是利用正交试验方法研究钛渣的酸溶性条件的实验，对其酸解率的影响因素进行了分析讨论。

The level of impurity removal required varies according to the application of carbon dioxide.

要求的杂质去除水平根据二氧化碳的应用而变化。

Since dry carbon dioxide is a relatively inert gas, special materials of construction are not required.

由于干燥的二氧化碳是相对不活泼的气体，不要求特殊的建材。

Since dry carbon dioxide is a relatively inert ga s, special materials of construction are not required.

由于干燥的二氧化碳是相对不活泼的气体，不要求特殊的建材。

Titanium dioxide (TiO_2) is one of the most promising photocatalysts due to its chemical inertness, non-toxic nature, low cost, and has been studied for decades.

二氧化钛(TiO_2)具有很强的光催化和亲水性能，且其化学性质稳定、无毒、成本低，是理想的光催化剂。

Carbon dioxide is inexplicably a mere trace gas when it should be the bulk of the air, as it is on other planets.

令人费解的是，二氧化碳理应像在其他行星那样成为大气的主要成分，却仅仅是一种示踪气体。

No one doubts that carbon dioxide is a greenhouse gas, good at absorbing infra-red radiation.

没有人质疑二氧化碳是为温室气体，和其绝佳吸收红外线辐射的能力。

Moreover, water -vapour and carbon dioxide in the lower air absorb most of the infra-''.

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

All are inoffensive as opposed to products of methane, carbon dioxide formed under strictly anaerobic conditions

这些都没有毒性，这与严格地在厌氧条件下形成的甲烷、二氧化碳的情况相反。

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。