查询词典 sulphur

Isotopes such as hydrogen, oxygen and sulphur show water source is complex, and composition of water is chiefly from middle Ordovician aquifer, added more and more from lower Ordovician aquifer from catchment area to discharge area.

本文系统总结了岩溶水中氢、氧、硫同位素组成特征，并从中提取了有关水的来源和水资源组成等信息，从多个角度论证了地球化学作用过程和水动条件。

The bright and smooth haze was found by Venus Express to be rich in sulfuric acid, created when an unknown process lifted water vapor and sulphur dioxide from lower levels into Venus' upper atmosphere.

金星快车发现明亮而均匀的薄雾中富含硫酸，水蒸汽上升遇到低空中的二氧化硫，经过未知的化学反应，而后上升到金星高层大气中从而形成。

Nanhauang-His stream and The Beihaung-His are located in the volcano function area, the stream has introduction of the sulphur gas and hot spring water of volcano, changes the environmental condition of the water body, influences the heavy metal and moves the course.There is a hot spring in area on the volcano after one The Shuang-His streams belongs to too, but the carbonic acid spring, there is less content of sulphate.Therefore, we can realize it was pH value that influenced the dissolving heavy metal to move mainly.

南磺溪与北磺溪的地区属后火山区域有喷气孔、硫气孔和温泉的存在，溪水有火山硫磺气体与温泉水的输入，改变水体的环境条件，影响到重金属迁移过程，双溪也属后火山区域有一处温泉，但属於碳酸泉，硫酸盐含量较少，由此我们可知，主要影响溶解性重金属迁移的是pH值。

Nitrobenzene is used as original material,it is sulfonated by gas sulphur trioxide to product sodium m-nitrobenzene sulfonate.

以硝基苯为原料进行磺化，采用气体三氧化硫为磺化剂，生产间硝基苯磺酸钠，提高了产品纯度，减少了90 %的废酸，使生产能力提高了一倍，为还原硝基生产氨基苯磺酸钠打下了良好的基础。

The high contents of moisture, dust and sulphur trioxide because of slurry feeding had been a challenge to normal operation.

装置采用浆式进料，烟气中水分、尘和三氧化硫含量较高，给制酸系统带来很大困难。

Based on the analysis on the causes of frequent leak of liquid sulphur trioxide pump, some improvement was taken for its mechanical sealing construction.

分析液体三氧化硫泵屡遭泄漏的原因并对泵的机械密封进行改进，同时根据液体三氧化硫易气化和固化从而不利于泵密封的特性，加强工艺管理，特别是在开停车和泵的切换操作过程中，通过适当的伴热、空气吹扫和蒸汽加热，保证三氧化硫始终处于液态，使泵具有良好的机械密封性能。

Moreover, the determination of the content of dissociate cyclohexanone-omine in the mixture of rearrangement process in caprolactam production was also studied. The rearrangement mixture is a complicated and difficult system to directly analyze, containing great volume of sulfuric acid and some amount of sulphur trioxide, with higher viscosity and strong corrosivity.

此外本论文还对己内酰胺生产过程中的重排混合物中游离环己酮肟含量测定进行了研究，重排混合物是一个很特殊、难以直接分析的体系，含大量硫酸和少量三氧化硫，粘度大，腐蚀性强，且杂质种类较多。

Acid rain: Sulphur dioxide emissions from coal use are leading to anincrease in the acidity of rain.

酸雨： 由于煤炭使用而造成的二氧化硫排放正在导致降雨中酸度的增长。

Because our country at present every year the acid rain and the sulphur dioxide pollution the economic loss which creates to the ecological environment harm and the human body health influence about 110,000,000,000 Yuan, the close same year gross national product 2%, the next this kind of pollution lost also continues to increase unceasingly.

我国目前每年因酸雨和二氧化硫污染对生态环境损害和人体健康影响造成的经济损失在1100亿元左右，已接近当年国民生产总值的 2%，今后这种污染损失还将持续不断地增加。

Kyoto was constructed by quickly borrowing from past treaty regimes dealing with stratospheric ozone depletion, acid rain from sulphur emissions and nuclear weapons.

通过借用以往处理同温层臭氧损耗、硫氧化物排放引起的酸雨以及核武器等问题的公约体制，《京都议定书》体制很快构建起来了。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。