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     (The temperature and pressure is the same as that of one group.) Laumontite, Chabazite and NaPl zeolite can be synthesized from coal fly ash that producethe hydrothermal synthesizing reaction by radiation heating with microwave oven, each sample only produce a kind of zeolite in the synthesized sample, its transforming rate vary 20% to 40%.
     利用微波炉辐射加热从粉煤灰进行水热合成反应可得到浊沸石(Laumontite)、菱沸石(Chabazite)、NaP1沸石(NaP1 zeolite)三种沸石,合成品种中每个样品只生成一种沸石,其转化率为20~40%。
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     Coumarin fluorescent dyes such as C.
     合成了C.
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     N,N,N?
     合成了 N,N,N?
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     Research on Synthetic Methods of Thiamethoxam
     杀虫剂新品种——噻虫嗪的合成研究
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     OIL SYNTHESIS OF SEEDS OF TUNG TREE (ALEURITES FORDII) AND ITS DIFFERENCES AMONG VARIETIES
     油桐种籽油脂合成及其在品种类型上的差异
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  synthetics
Hemp, jute, flax, bagasse, coconut and bamboo fibers are some of the natural fibers that have attracted attention for the preparation of composite materials because of their low cost compared with synthetics fibers (glass, carbon).
      
Leather articles and footwear are made using synthetic dissimilar materials, where the adhesion between the leather and other materials such as cotton fiber, nylon, polyester, and other synthetics is important.
      
strain, which is able to decolorize azo dyes enzymatically, was used in this study for decolorization of synthetics solutions contaminated by toxic azo dyes orange G, trypan blue, azorubine, and methyl red.
      
Collections of volatiles from the field-tested plant tissues indicated they released monoterpenes in amounts similar to the synthetics that inhibited responses.
      
variance is shown to account for all the variance among the synthetics of size s which can be drawn from a large random-bred population, except for
      
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Reaction-compatibilizer with reactive groups can react chemically with polymers contain-ing related groups, so as to improve the compatibility between two polymers in the courseof blending. In this paper, The design, syntheses, varieties and applications of different reac-tion-compatibilizers are presented.

反应型相容剂含有反应基团,可与含相应基团的聚合物起化学反应,因而在混炼过程中增容。本文系统地介绍各种反应型相容剂的设计、合成、品种和应用。

Objective To find pathogenies of sudden infant death syndrom (SIDS) from changes of pulmonary surfactant Methods By means of thin layer chromatography technique,surfactant in whole lung specimens of 10 infants with SIDS and 10 control infants without SIDS,dying from nonrespiratory disease,were examined qualitatively and quantitatively Results Eleven components in pulmonary surfactant of the whole lung specimens were examined qualitatively,including lysophosphatidylcholine,sphingomyelin,phosphatidylcholine,phosphati...

Objective To find pathogenies of sudden infant death syndrom (SIDS) from changes of pulmonary surfactant Methods By means of thin layer chromatography technique,surfactant in whole lung specimens of 10 infants with SIDS and 10 control infants without SIDS,dying from nonrespiratory disease,were examined qualitatively and quantitatively Results Eleven components in pulmonary surfactant of the whole lung specimens were examined qualitatively,including lysophosphatidylcholine,sphingomyelin,phosphatidylcholine,phosphati dylser in,phosphatidylinosito l,phosphatidylcholine,phosphatidylglycerol,diphosphatidylglycerol,phosphatidic acide,cholestrol and neutral lipids Quantitative examination showed that the amount of surfactant of whole lung specimens in the sudden death group (8 9±1 0mg/g wet lung weight) was significantly less than in the control group (1 26±1 4mg/g wet lung weight) (P<0 01) Qualitative variance showed that the percentages of phosphatidylcholin (49 4%±2 9%) and phosphatidylglycerol (2 6%±0 7%)decreased markedly in sudden death group compared with in control group(61 5%±3 0% and 4 3%±1 5%)(P<0 01) Conclusion Before death there is serious defect on metabolism of pulmonary surfactant in sudden death infant,with the amount decreasing,and the ratio of its components being disturbed,which is one of the important pathogenies of SIDS

目的 从肺泡表面活性物质的变化探讨新生儿猝死综合征的病因。方法 用薄层色谱法对 10例新生儿猝死综合征和 10例对照新生儿 (死于非呼吸系疾病 )的全肺表面活性物质作定性和定量检测。结果 全肺表面活性物质定性分析得到 11个组分 :溶血磷脂酰胆碱、神经鞘磷脂、磷脂酰胆碱、磷脂酰丝氨酸、磷脂酰肌醇、磷脂酰乙醇胺、磷脂酰甘油、二磷脂酰甘油、磷脂酸、胆固醇和中性脂类。定量分析显示 :猝死组全肺表面活性物质含量为 ( 8.9± 1.0 ) mg/g肺湿重 ,显著少于对照组的( 12 .6± 1.4 ) mg/g肺湿重 ( P<0 .0 1)。猝死组的磷脂酰胆碱 ( 4 9.4± 2 .9) %和磷脂酰甘油 ( 2 .6±0 .7) %比例下降 ,而对照组分别为 ( 61.5± 3 .0 ) %和 ( 4 .3± 1.5 ) % ( P<0 .0 1 )。结论 猝死新生儿生前在肺泡表面活性物质代谢方面存在着严重缺陷 :合成数量的减少和合成品种的比例失调。这种缺陷是新生儿猝死综合征的一个重要病因。

Crude drag reduction agent is a kind of chemicals that is made from high\|mole cular polymers.Using it in oil pipeline a significant role can be made such as transpo rtation increasing,energy saving and decreasing consuming and improving economic and social beneficial results.The article discusses the relationship between t he developing situation,action and mechanism and molecular structure with drag r eduction properties.

减阻剂是一种高分子聚合物的化学制品 ,能减少液体在管道内流动的摩阻。减阻剂的使用 ,对输油管道的增输、节能降耗、提高经济效益和社会效益起到重要的作用。减阻剂的研究热点仍是开发新产品及新合成方法。通过改变单体种类、结构单元连接方式、序列分布和单体组分组成 ,可以合成品种众多的聚合物 ,为制备具有指定结构和预期性能的高分子聚合物减阻剂提供了可能性和可行性。

 
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