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- This paper introduced the way to determine PAH in smoke black by HPLC, and other elements such as the procedure of pretreatment, the choice of relative chromatogram conditions. 本文详细介绍了用高效液相色谱测定烟炱中的多环芳烃的方法和前处理,及有关色谱条件的选择等因素。
- Black smoke boiled up from the burning wood. 黑烟一团一团地从燃烧的木头上滚滚升起。
- Volumes of black smoke poured fromthe chimney. 烟囱里冒出来团团黑烟。
- It is now unlawful for factories to emit black smoke into the air. 工厂向大气中排放黑烟现在是违法的。
- It was once thought unmanly not to drink and smoke. 身为男子不抽烟不喝酒曾视为无男子气概。
- The castle was hidden behind a curtain of smoke. 城堡被一层烟雾遮掩着。
- The tail exhaust pipe of the motor vehicle emitted poisonous smoke. 机动车的尾部排气管排出有毒的浓烟。
- A good cigarette will smoke at least ten minutes. 一支好烟至少可以抽10分钟。
- He used to smoke a pack of cigarette a day. 他过去经常一天抽一包香烟。
- He was in black from crew to earing. 他全身上下都穿着黑衣服。
- Smoke was rolling up from the burning oil up smoke. 正在燃烧的汽油箱上浓烟滚滚。
- So be it. We shall smoke the pipe of peace. 好吧，咱们抽袋烟言和吧！
- The smoke from chimney is spreading out in the sky. 烟囱冒出的烟正在空中散开。
- He whipped up a pistol and shot at the black bear. 他急忙抓起手枪，向那头黑熊射击。
- Many people were taken off by the Black Plague. 许多人被黑死病夺去了生命。
- The stove let out a puff of smoke. 炉子里冒出一股烟。
- The man is carrying a small black plastic handbag. 这个人提着一个黑色的小塑料提袋。
- Smoke sensors warned us of the fire. 烟雾探测器已向我们发出火警警报。
- The old trade in black ivory is on more. 昔日非洲黑奴的买卖已不复存。
- The black sedan suddenly drew out into the traffic. 黑色轿车突然开动，驶进了车流。
