帮忙翻译下，感谢，纯手工翻译，不要复制网上的在线翻译，谢谢

1, in today's market, successful overseas business help domestic commercial activities.
2, the pace of innovation, with more and more quick co-front-runner really is a challenge.
3, why compounds and mixture different? Need to use a theory to help us explain these facts.
4, since the beginning of last century, electric become our modern life indispensable component.
5, we need to develop new agriculture has no side effects with the chemicals used for food. This requirement is now completely clear, in order to develop these products, the research of this aspect work is very active, just recently we become sensitive to these things.
6, although there are a lot of different metals by carving out as the catalyst preparation, but the catalyst for the main drawback is air, humidity and even solvent are particularly sensitive to trace impurities in the poor thermal stability, preparation storage price is high.
7, chemical product design should be able to keep its efficacy, but should reduce its toxicity. In a chemical process, selected material and material forms should as far as possible to reduce the possibility of chemical accident happened, including discharge, explosion and fire.

1.In today's market,success oversea business can help the domestic commercial activities.
2.It's a big challenge to come up with the innovation that is more and more rapid.
3.Why compound and mixture are different? Need a theory to explain it to us.
4.Since the early of last century,electric has become a requisite part of the modern life.
5.We need to explore the new chemical used for agriculture and food without any side effect.This demand are clear. The part of research are active in order to invent these products,just recent we start to focus on it.