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1.Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.

1.纤维素与过乙烷及氢氧化钠应,以甲苯为稀释,步法成功地合成了乙基纤维素。

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nonrepudiation, non-repudiation, nonresidence, nonresident, non-resident, nonresidential, non-residue, non-resisdent, nonresistance, non-resistance,

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3G, 401(K), a,

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