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已读[23]
发布： 2013/05/15 23:39:54
7thSpace Interactive (press release) Therefore, the present study investigated the antimicrobial, antidiarrhoeal, and cytotoxic activities of the methanol extract and ethyl acetate , chloroform, and petroleum ether (pet. ether) fractions of C. bonducella leaves. Methods: The antibacterial ...
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已读[23]
发布： 2013/05/15 23:39:53
Wall Street Journal (press release) ... (3-Methoxy-n-Butylacetate) 3.5c $80 60EUR $80 - Polysolvan(R) O (Glycolic Acid-n-Butylester) 5.0c $115 90EUR $150 - Dioctyl Maleate 1.5c $35 25EUR $35 - Dibutyl Maleate 0.5c $15 10EUR $15 - Sucrose Acetate Isobutyrate (SAIB) 80% - - 100EUR - - ... and more »
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已读[80]
发布： 2013/05/15 17:41:23
经了解:“阜航化9188”轮本航次空载由南通驶往镇江索普码头,由于该轮上航次载运过醋酸乙酯,本航次到索普后将载运甲醇。该船边航行便清仓,在清仓过程中发生燃爆。该...
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已读[108]
发布： 2013/05/15 17:41:14
“阜航化9188”轮本航次空载由南通驶往镇江索普码头,由于该轮上航次载运过醋酸乙酯,本航次到索普后将载运甲醇。该船边航行边清仓,在清仓过程中发生燃爆。该轮船体...
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已读[23]
发布： 2013/05/14 23:14:48
发布时间:2013年05月11日 09:05,生意社发布5月10日乙醇与醋酸乙酯比价指数为97.02... 5月10日乙醇与醋酸乙酯商品比价指数为97.02,较昨日下降了0.14点,较周...
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已读[23]
发布： 2013/05/14 23:14:37
发布时间:2013年05月14日 16:44,生意社发布5月14日醋酸与醋酸乙酯比价指数为103.49... 5月14日醋酸与醋酸乙酯商品比价指数为103.49,较昨日上升了0.09点,创...
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已读[23]
发布： 2013/05/14 23:14:32
7thSpace Interactive (press release) Results: Phytochemical screening indicated that, the crude extract, ethyl acetate , n-butanol and residue fractions contain in general saponins, tannins, alkaloids, anthraquinones and phenols while the hexane fraction contains only alkaloids. The ethyl ...
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已读[25]
发布： 2013/05/14 23:14:31
Economic Times This includes polyethylene (PE), polypropylene (PP), poly vinyl chloride (PVC), polystyrene (PS) and ethyl vinyl acetate (EVA). Since the raw materials needed to produce these polymers such as naphtha and ethylene still attract a 5% duty, the rise in ...
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已读[23]
发布： 2013/05/14 23:14:27
7thSpace Interactive (press release) Therefore, the present study investigated the antimicrobial, antidiarrhoeal, and cytotoxic activities of the methanol extract and ethyl acetate , chloroform, and petroleum ether (pet. ether) fractions of C. bonducella leaves. Methods: The antibacterial ...
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已读[75]
发布： 2013/05/14 22:26:34
(1) 取本品0.5g,加水3ml,振摇,滤过,滤液加氯化钡试液1ml,即生成白色沉淀,分离,沉淀在盐酸中不溶解。 (2) 取本品0.5g,加硫酸2ml,混合后,加甲醇8ml,...
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