相关例句

• The title compound has been obtained by the reaction of copper powder with sulfur powder, potassium sulfide and 3-methylpyridine at ambient temperature and normal atmosphere.(采用铜粉、硫粉、硫化钾及3-甲基吡啶在常湿、常温下直接合成了标题化合物。)
• The current occurrence of torrent spurs him to buy fur and sulfur.(现行的倾泻事件驱使他买毛皮衣服和硫磺。)
• These pollutants are called aerosols and they include soot as well as compounds of nitrogen and sulfur and other stuff into the air.(这些污染物被称为气溶胶，它们包括煤烟以及空气中氮、硫和其他物质的混合物。)
• Sulfur dioxide, a major contributor to acid rain, is an especially serious pollutant because it diminishes the respiratory system's ability to deal with all other pollutants.(二氧化硫是酸雨的主要成因之一，它是一种特别严重的污染物，因为它会降低呼吸系统处理其他污染物的能力。)
• The level of sulfur dioxide gas above Venus's clouds shows large and very frequent fluctuations.(金星云层上方的二氧化硫气体水平显示出巨大且非常频繁的波动。)
• New coal-burning plants usually comply with the law by installing expensive equipment to filter sulfur dioxide from their emissions.(新的燃煤电厂通常安装昂贵的设备来过滤排放的二氧化硫以遵守法律。)
• So, put the sulfur in the center.(把S放在中心。)
• Sulfur gas appears reddish, hydrogen is green and oxygen is blue.(硫磺气体呈红色；氢气呈绿色；氧气呈蓝色。)
• The emission of sulfur dioxide when high-sulfur coal is burned is restricted by law.(高硫煤燃烧过程中的二氧化硫的排放是受到法律限制的。)
• The others are carbon, oxygen, nitrogen, hydrogen and sulfur.(其他五种分别是：碳、氧、氮、氢和硫。)