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Abstract based on nine-time investigation of current eutrophication status of Lake Taihu during 1994-1995,this paper evaluated the trophic levels in the different periods and analyzed the development of the main nurtient content in the nearest 35 years.
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摘要在1994-1995年太湖9次富营养化现状调查基础上，评价了太湖各期营养程度，并分析了35年来主要营养物含量发展趋势。 |
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Abstract concepts and realistic situations rendered in a wild, painterly pastel sketch style.
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彩色蜡笔草图风格的或抽象概念或真实描绘的野生动物主题。 |
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Abstract expressionism is probably the best known of all.
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抽象主义恐怕是最有名的画派。 |
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Abstract paintings don't appeal to me much.
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抽象派画不怎么能引起我的兴趣. |
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Abstract ：The luminous efficien is the key parameter of electric light sources energy2saving performance.
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摘要:光效是电光源节能性能的关键参数。 |
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Abstract1 The mineral resources of Chai damu basin is quite abundant, but due to that it has been in vulgar management, the efficiency of exploiting and comprehensive reciprocation from resources are low.
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摘要柴达木盆地矿产资源丰富，但开发利用效率低，基本上是粗放式经营，资源综合回收率低。 |
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Abstract: 1-(4-Pyridinyl)-2-propanone,which is the key intermediate of synthesizing the milrinone ,a cardiotonic agent,was synthesized from 4-methyl-pyridine by acetylation in dichloromethane and phase transition catalyzing hydrolysis.The overall yield wa
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文摘:报道了以4-甲基吡啶为原料，经酰化和相转移催化水解反应制备强心药物米利酮关键中间体1-(4-吡啶基)-2-丙酮的新合成方法，总收率达73.1%. |
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Abstract: 2 - Chloro - 5 - chloromethylpyridine is an importantintermediates of the pesticide and the pharmacology.
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文摘:2－氯－5－氯甲基吡啶是农药和医药的重要中间体。 |
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Abstract: 50 cases of elderly patients with esophageal cancer complicated with postoperatire anastomotic stricture were managed by ballon dilator. 41 cases were follower up for half to 3 years.
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文摘:目的进一步探讨治疗老年人食管癌术后吻合口狭窄的方法。 |
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Abstract: 96 varieties of persimmon (excellent individuals) have been introduced since 1990.The experiments indicated that the varieties such as Japanese Pinghewu, Shandong Red,Boai August Yellow showed better adaptability and economic speciality,which ma
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文摘:从1990年开始先后引种柿子96个品种(优株)，试验表明，日本平核无、山东红柿、博爱八月黄等品种表现了良好的适应性和优良的经济性状，可以在丽水地区和临近区域推广。 |
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Abstract: A 13-year-old male farmer suffered from cutaneous and na il phaeohyphomycosis for five years is reported in this paper.
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文摘:报告一例由球毛壳菌所致的皮肤和甲暗色丝孢霉病。 |
