查询词典 dioxide

Previous work of this research group produced high quality and stable silicon dioxide (SiO/sub 2/) film on gallium arsenide substrates by liquid phase deposition at room temperature.

本研究群先前已以液相沉积法在室温下成长高品质及高稳定度的二氧化矽膜。

The generation of carbon monoxide was discussed and carbon monoxide was both from the decomposition of carbon dioxide in gaseous phase and from the methane through surface processes.

分析讨论了产物中一氧化碳的来源，得到一氧化碳既来自二氧化碳的解离，也有甲烷转化的部分贡献，这包括了气相反应和表面反应两个过程。

S because of their ability to produce large amounts of gaseous carbon dioxide in the bread dough.

因为它们能在生面团中产生大量的二氧化碳气体。

In recent years, freezing or gassing them with carbon dioxide has been used.

在近些年，用二氧化碳冻住它们或者毒死它们的方法也在采用。

Each of these different carbon dioxide has its special geochemical characteristics.

这些不同来源的CO2各有其地球化学特征。

Based on the establishment of a model of silicon dioxide structure, the effect of germania concentration across the fiber core on Raman gain spectrum was analyzed by the method of Gaussian decomposition.

分解图谱表明掺杂物破坏了二氧化硅的分子结构，并在拉曼增益范围内产生了新的峰值，从理论上证明了光纤掺杂物对拉曼增益系数和增益谱的影响。

The experimental results show that the silicon dioxide influences the precipitation rate and morphology of gibbsite, and the (100) face of gibbsite is easier to unfold.

实验结果表明：在一定的分解时间范围内，硅能抑制铝酸钠溶液种分分解，对分解产物氢氧化铝的晶体形貌有影响，其(100)面的显露有所增加。

The current rate of increased carbon dioxide release into the atmosphere by humans may delay the onset of the next period of glaciation until at least 50,000–130,000 years from now.

由于人类向大气中排放二氧化碳的速度加快，下一个冰川时期的到来可能会有所延迟，至少在距今 5 万至 13 万年以后。

Carbon dioxide is a kind of glasshouse gases, which is the greatest cause of the global weather turning warmer.

摘 要：CO2作为一种温室气体，是全球气候变暖的主要原因。

That LCA tells us that heating the furnace accounts for 16 percent of glassmaking's negative impacts; the chemicals released into the air from the glass factory run from relatively high levels of carbon dioxide to trace amounts of toxic metals like cadmium.

LCA技术可以告诉我们：熔炉加热环节对环境造成的负面影响比率为16%；而从玻璃制造厂排放到大气中的化合物则从含量较高的二氧化碳到各种痕量金属都有，如镉等。

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。