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[求助]
求助個(gè)Than前后一致的問題 已有1人參與
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近來寫文章被這個(gè)搞暈了，than前后比較的東西應(yīng)該是對(duì)等的，但看文獻(xiàn)里面有一些than后面用了does，有一些沒有，誰能給我講解一下，謝謝了。投文章審稿人說我的英語需要找人潤色一下。 下面是文獻(xiàn)里面摘的一些例句： These catalysts exhibit increased thermal stability and produce higher molecular weight polymers than conventional metallocene catalysts 18-ZrCl/MAO produces polyethylene with a higher molecular weight than 18-ZrMe/B2 ethylene-bridged catalyst 19-ZrMe is more active than methylene-bridged catalyst 18-ZrMe 18-TiMe/B2 and 19-TiMe/B2 exhibit∼65X and∼35X greater polymerization activity, respectively, than does the monometallic catalyst 20-TiMe/B1 catalyst 19-TiMe enchains 15.4% more styrene than does 20-TiMe/B1. calculated reactivity ratios indicate that binuclear catalyst 19-TiMe/B2 favors styrene insertion more than does catalyst 20-TiMe/B1 Single-component Ni(II) catalyst 33 (Chart 17),86 based on a 3,30-bisalicylaldimine ligand, yields polyethylene with lower activity than the mononuclear Ni(II) Grubbs’ catalyst |
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agar
金蟲 (著名寫手)
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【答案】應(yīng)助回帖
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慕亦凝: 回帖置頂 2015-10-08 20:39:45
triiawypm(慕亦凝代發(fā)): 金幣+10, 謝謝應(yīng)助，外語版有你更精彩 2015-10-08 20:40:22
慕亦凝: 回帖置頂 2015-10-08 20:39:45
triiawypm(慕亦凝代發(fā)): 金幣+10, 謝謝應(yīng)助，外語版有你更精彩 2015-10-08 20:40:22
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These catalysts exhibit increased thermal stability and produce higher molecular weight polymers than conventional metallocene catalysts（后面跟的句子結(jié)構(gòu) “exhibit。。。。。�！币�?yàn)橹貜?fù)省略） 18-ZrCl/MAO produces polyethylene with a higher molecular weight than 18-ZrMe/B2 (后面跟的句子結(jié)構(gòu) “produces ......同上，省略） ethylene-bridged catalyst 19-ZrMe is more active than methylene-bridged catalyst 18-ZrMe 后面跟的句子結(jié)構(gòu) “is..........."同上，省略） 18-TiMe/B2 and 19-TiMe/B2 exhibit∼65X and∼35X greater polymerization activity, respectively, than does the monometallic catalyst 20-TiMe/B1 (does 代表前面的 “exhibit”，省略后句子結(jié)構(gòu)倒裝） catalyst 19-TiMe enchains 15.4% more styrene than does 20-TiMe/B1. (does 代表前面的 “enchains”，省略后句子結(jié)構(gòu)倒裝） calculated reactivity ratios indicate that binuclear catalyst 19-TiMe/B2 favors styrene insertion more than does catalyst 20-TiMe/B1 (does 代表 “favors”，省略后句子結(jié)構(gòu)倒裝） Single-component Ni(II) catalyst 33 (Chart 17),86 based on a 3,30-bisalicylaldimine ligand, yields polyethylene with lower activity than the mononuclear Ni(II) Grubbs’ catalyst （后面跟的句子結(jié)構(gòu) “yields。。。。。�！币�?yàn)橹貜?fù)省略） |
4樓2015-10-07 21:58:02
2樓2015-10-07 20:17:15
hk20012002
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3樓2015-10-07 21:05:37
5樓2015-10-07 22:08:14
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