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- Tobacco powder was digested in HNO3-H2O2 under microwave radiation,and then determined by GF-AAS with deducted background automatically Zeeman and took NH4H2PO4 as an improver. 采用硝酸-过氧化氢体系微波消解,而后以磷酸二氢铵作化学改进剂,利用塞曼自动扣除背景,采用石墨炉原子吸收法测定了部分烟草样品的铅含量。
- The air was reeking with the smell of tobacco. 空气中弥漫着烟草的气味。
- Most synthetic detergents are in the form of powder or liquid. 大多数合成洗涤剂呈粉状或液态。
- He tamped down the tobacco in his pipe. 他把烟丝紧紧摁实在烟斗里。
- He rammed the tobacco into his pipe. 他把烟丝塞进烟斗。
- Actually they even have vanilla powder. 实际上还可以加香草粉。
- In some countries tobacco is a government monopoly. 在有些国家烟草是政府的专卖品。
- He takes a powder every morning. 他每天早晨吃一种粉状药。
- Tobacco fumes filled the air in the room. 室内的空气中充满了香烟的烟雾。
- She cannot stand the smell of tobacco smoke. 她受不了香烟的气味。
- Can I trade my tobacco for your matches? 我用烟草换你的火柴行吗?
- Borax is a kind of white powder. 硼砂是一种白色粉末。
- Shaking will settle the chalk powder down. 晃一晃把粉笔末抖落下来。
- This is a mixture of the best tobacco. 这是由最好的烟叶配制成的。
- Do you smell the reek of stale tobacco? 你闻到发霉烟草的臭味了吗？
- Borax must be reduced to powder for infants. 硼砂必须研成细粉才能供婴儿使用。
- He stank the whole house out with his tobacco smoke. 他吸烟把整所房子弄得难闻极了。
- He crushed a piece of chalk to powder. 他将一支粉笔压成粉末。
- There's too much powder on your nose. 你鼻子上的粉擦得太多了。
- Excuse me, where is the powder room? 请问女厕所在哪里?
