17. A new water developable, photosensitive phenolic resin containing quaternary ammonium hydroxide groups and acrylate groups(AQHPR) was synthesized.
研究了作为新型水显影阻焊剂组分的含丙烯酸酯基及季铵碱基的酚醛树脂的各种感光条件。
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18. This paper gives new simple circuit proof for the equivalence of the characteristics basic on summing up the characteristics for developable surfaces.
文章在归纳可展曲面诸多特征的基础上,对这些特征的等价性,给出了一个全新、简洁的环路证明。
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19. Inflatable membrane reflector is usually non-developable surface, made by a number of plain membranes splicing and paste into the overall membrane surface.
充气膜结构反射面通常是不可展曲面,需要由多个平面膜片拼接并粘贴成整体曲面。
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20. The properties of acrylic phenolic resin containing quaternary ammonium salt groups (APRQA), a new type water developable photosensitive resin, were investigated.
研究了一种新型水显影的感光树脂丙烯酸酯酚醛树脂季铵盐的溶解性、光交联性及交联膜的性能。
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21. The characteristic plateau tourism resources of Qinghai Lake is monopolistic and unique all across China and even the world with brilliantly developable prospects.
青海湖具有高原特色的旅游资源在全国甚至全世界都具有垄断性、独特性,其开发前景十分广阔。
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22. The developable capacity of houses as a considerable factor based on society need and reality sense should be an indispensable character in Small Cities & Towns construction.
农宅的可生长性是基于社会需求和现实意义的考虑,应成为小城镇和乡村建设的必备特征。
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23. A method of modifying the double enveloping worm gearing with developable tooth surface has been proposed to reduce the sensibility of the worm gearing to the manufacturing errors.
提出了对二次包络环面蜗杆传动修形的方法,以降低蜗轮副对制造误差的敏感性。
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24. To establish the evaluation model of flood calamity strength using developable subject method and to show the evaluation result by the quantitative data have a certain practicality.
洪水灾害强度受多种因素的影响,利用可拓学方法建立洪灾强度评价模型,并用定量的数值表示评价结果。
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25. Paper describes the principle and device for machining inducer blades with non-developable parabolic surface profiles with general purpose machines by using the linear-cutting method.
本文介绍了利用线切削方法在通用机床上加工非可展直纹抛物面导风轮叶型的原理与装置。
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26. The developable iodic polymer and the embolic material thereof have the advantages of nontoxicity, inadhesion, easy operation, high safety and effectiveness, and the function of development.
27. The developable iodic polymer and the embolic material thereof have the advantages of nontoxicity, inadhesion, easy operation, high safety and effectiveness, and the function of development.