Selections from China Mainland Magazines, Supplement, 第 40-50 期 |
搜尋書籍內容
第 1 到 3 筆結果,共 80 筆
第 17 頁
... materials for the three major kinds of synthetic materials . At present , there are several hundred kinds of products in the propylene series , including primarily acrylonitrile , isopropenyl , acetone and epichloro - hydrin , among ...
... materials for the three major kinds of synthetic materials . At present , there are several hundred kinds of products in the propylene series , including primarily acrylonitrile , isopropenyl , acetone and epichloro - hydrin , among ...
第 21 頁
... material , resin , various materials such as plasticizers , stablizers , lubricants , dyestuffs ( pigments ) , ultra - violet ray absorbing agents , and sizing materials are also needed and manufacturing various products of different ...
... material , resin , various materials such as plasticizers , stablizers , lubricants , dyestuffs ( pigments ) , ultra - violet ray absorbing agents , and sizing materials are also needed and manufacturing various products of different ...
第 24 頁
... materials . Over the past ten years and more and following the development of the petrochemical industry , we have opened up new roads for using raw materials of abundant supplies and low prices . The processing of petroleum makes ...
... materials . Over the past ten years and more and following the development of the petrochemical industry , we have opened up new roads for using raw materials of abundant supplies and low prices . The processing of petroleum makes ...
內容
Do Things in Accordance with Objective Laws | 6 |
The Petrochemical Industry | 13 |
Petroleum and Plastics | 19 |
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