问题
问答题 简答题
简述常用的熊胆的含量测定方法。
答案
参考答案：
熊胆的主要化学成分为胆汁酸类（占胆汁中的58%～59%）成分，其主要含量测定方法有薄层色谱-比色法、薄层扫描法、高效液相色谱法、气相色谱法等色谱分析法。
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简述常用的熊胆的含量测定方法。
参考答案：
熊胆的主要化学成分为胆汁酸类（占胆汁中的58%～59%）成分，其主要含量测定方法有薄层色谱-比色法、薄层扫描法、高效液相色谱法、气相色谱法等色谱分析法。
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| Is the world really going mad? 1 day I was sitting in a small restaurant 2 a quiet drink and a talk with a few friends when it suddenly 3 me that almost everyone in the restaurant was smoking. It wasn't long 4 the whole room was 5 with smoke. I asked with an apology for 6 to open a window to stop myself 7 ! Nowadays air pollution is something that we hardly question any more. However, I still can't walk down the streets in any of the big cities without 8 that people are 9 the air pollution. It is time for the government departments of the world to introduce emission (废气排出) controls on all cars and 10 the public transport system to encourage people to 11 their cars at home. A friend of mine takes flying lessons each morning and it really makes him 12 when he climbs above the smog layer (烟雾层) and looks down 13 it and thinks: "I'm breathing that!" This kind of 14 results from the bad management of resources. Waste things can, 15 should, be treated properly. House building, road construction and industrial development are all earth-moving(or earth-reducing)operations and can change the balances of 16 created over millions of years. I would like to 17 serious studies done on all these main works before they are built. Also, there should be 18 national parks 19 to keep the most beautiful parts of our countries in their natural 20 . | |||
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