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coatings
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  涂层
    Structure and Properties of Ground Calcium Carbonate Coatings
    研磨碳酸钙的涂层结构与性能
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    CHARACTERISTICS OF GF/EP AGAINST EROSION AND PREPARATION OF PROTECTION COATINGS
    GF/EP受冲蚀磨损基本特征及防护涂层的研制
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    Development of ESH Type Hot Melt Adhesives Used on Three Coatings Structure
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    Status and Development of Adhesives for Radar Absorbing Coatings
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  涂料
    The Properties of Coatings CaCO_3 Refined from Mud Obtained in Reed Pulping
    荻苇浆苛化白泥加工涂料CaCO_3的特性研究
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    THE STUDIES ON WF-101 AND WF-102 UV-CURED COATINGS FOR OPTICAL FIBERS
    WF-101和WF-102UV固化光纤涂料的研究
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    STUDY ON THE APPLICATION OF MODIFIEDPOLYPROPYLENE IN POWDER COATINGS
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    The current status of the Russian coatings industry
    俄罗斯涂料工业现状
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    NYNON 11 POWDER COATINGS
    尼龙-11粉末涂料
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  “coatings”译为未确定词的双语例句
    STUDY ON THE HYDROPHOBICITY AND SURFACE STRUCTURE OF BLEND COATINGS OF POLYDIMETHYLSILOXANE-CHLOROSULFONATE POLYETHYLENE
    聚二甲基硅氧烷-氯磺化聚乙烯共混涂膜表面润湿性与表面结构的研究
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    Preparation of TiO_2-CeO_2 Coatings by the Sol-Ges Process
    溶胶-凝胶法制备TiO_2-CeO_2薄膜
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    Ultra Light Weight Coating and Roll Coatings——Theory and Practices
    超轻涂与辊式涂布──理论与实践
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    Preparation of Antireflective Coatings by PEG Modified SiO_2 Sols
    PEG分子量和温度对SiO_2溶胶及光学增透膜的影响
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    STUDY ON IMPROVING COLD-RESISTANCE OF FRUIT TREES BY SPRAYING VAC/nBA/AA EMUISION COATINGS
    VAc/nBA/AA共聚合乳液涂膜对果树抗寒性的研究
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  coatings
Thin films and multi-layered coatings comprised of different classes of materials are often used for various functional devices.
      
In addition, the residual stress distributions in the functionally and compositionally graded coatings were also analyzed.
      
Carbon fibres (CF) were modified with different oligomeric silsesquioxane (SSO) coatings to improve the interfacial property of carbon fibres/polyarylacetylene (CF/PAA).
      
The results show that the ILSS increases effectively and the effects on interfacial characterizations are distinguished from each other in accordance with the CF surface modified with different SSO coatings owing to the various structures.
      
AFM observations lead to the conclusion that an interfacial transition layer with different morphology and stiffness appears in CF/PAA composites after being treated by the SSO coatings of different structures.
      
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Polyphenylquinoxaline (PPQ) was usually synthesized from tetraamine and te-traketone. We found that the oxidizing agent--selenium oxide (SeO2) commonlyused in the synthesis of tetraketone was not satisfactory. In this work we replaced selenium oxide by dimethyl sulfoxide (DMSO), resulting in a simplified procedure, lower cost and high purity. In order to facilitate the coating process, stable solutions of relatively high molecular weight PPQ were prepared by changing the stoichio-metry with 1-2% excess...

Polyphenylquinoxaline (PPQ) was usually synthesized from tetraamine and te-traketone. We found that the oxidizing agent--selenium oxide (SeO2) commonlyused in the synthesis of tetraketone was not satisfactory. In this work we replaced selenium oxide by dimethyl sulfoxide (DMSO), resulting in a simplified procedure, lower cost and high purity. In order to facilitate the coating process, stable solutions of relatively high molecular weight PPQ were prepared by changing the stoichio-metry with 1-2% excess of tetraketone. All properties of these polymers were determined on their films and varnished wires. It was shown that the PPQ can be used as a good water resistant, chemical resistant and/or oil resistant materials.

聚苯基单醚喹噁啉是从芳香族四胺和芳香族四酮缩聚制得。我们以对苯二甲腈为原料,采用二甲基亚砜为氧化剂,简便地合成芳香族四酮。聚合时系统地研究了单体不同克分子比合成的树脂对各种性能的影响,从而对这类树脂的加工成型提供了实验的数据。我们认为这种树脂可以作为在水、化学介质或油环境中使用的绝缘材料。

From the coating of seeds of Iris pallasii Fisch. var chinensis Fisch. a quinone derivative, C_(24)H_(38)O_3, m. p. 45~47℃, was isolated. Its structure has been established as 6-methoxy-2-Δ~(10')-cis-hepiadecenyl-1, 4-benzoquinone, identical with irisquinone isolated from Iris Pseudacorus L.

从马蔺子(Iris pallasii Fisch. var. Chinensfs Fisch.)的种皮中分离得到一种醌类化合物,命名为马蔺子甲素,C_(24)H_(38)O_3,熔点45~47℃,通过紫外光谱、红外光谱、核磁共振谱、质谱以及化学降解,推定其结构式为6-甲氧基-2-⊿~(10′)-顺十七烯-1,4-苯醌,与文献报道的irisquinone为同一物质。

Following a previous paper in which a successful synthesis of polyphenyl-as-tria-zine from 1, 4-dicyanobenzene was reported, we have prepared five new polyphenyl-as-triazines from terephthalamidrazone and different aromatic tetraketones. These polymers were characterized by TGA, DTA, elemental analysis and IB spectroscopy. ηlnk were between 1.39-2.16dl/g (0.5% cresol, at 25℃). All properties were determined by using specimens in the form of films and wire coatings. Experimental results showed that these...

Following a previous paper in which a successful synthesis of polyphenyl-as-tria-zine from 1, 4-dicyanobenzene was reported, we have prepared five new polyphenyl-as-triazines from terephthalamidrazone and different aromatic tetraketones. These polymers were characterized by TGA, DTA, elemental analysis and IB spectroscopy. ηlnk were between 1.39-2.16dl/g (0.5% cresol, at 25℃). All properties were determined by using specimens in the form of films and wire coatings. Experimental results showed that these polymers exhibited good thermal-oxidative stability, hydrolytic stability and tensile strength at room temperature with the exception of polymer VI. The films of polymers (I)-(V) suffered 4.30-5.31%weight loss after isothermal aging in air at 300℃ for 200 hours. There were no change in weight when these films were treated in water at 200℃ for 30 hours. Wire coated with polymer (I) at room temperature in water has a resistance of 1011-1012Ω. When it was boiled in 40% NaOH solution as long as 24 hours or submerged in water at 200 ℃ for 100 hours, no change in insulation was detected.

由对苯二酰胺腙和五种不同的芳族四酮分别进行缩聚反应,可以合成五种新的聚苯-1,2,4-三嗪,对它们进行了表征。η_(比粘)介于1.39—2.16分升/克范围内。这些高聚物可以浇铸成韧性的薄膜,涂制成漆包线,具有良好的耐温性、耐水解性、耐溶剂性、电绝缘性及力学性能等。

 
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