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halogens 英'hælədʒənz美'hælədʒənz COCA⁹¹⁵⁷¹BNC⁸⁶⁶⁶⁰⁺⁹ 基本英英Thesaurus例句 n.卤族⁷⁸名词halogen的复数形式²².原型halogen的复数 名词 halogen: any of five related nonmetallic elements fluorine or chlorine or bromine or iodine or astatine that are all monovalent and readily form negative ionsas in.chlorine 同义词 bleach,disinfectant chlorinenoun element bleach,disinfectant,halogen In this work, low- halogens flame- retardant PVC/ PNBR thermoplastic elastomer was studied. The mechanical properties, flame retardance and thermal stability of blends were investigated. 本课题主要研究了低卤阻燃 PVC/ PNBR共混型热塑性弹性体体系,重点考察了共混物的力学性能、阻燃性能、热稳定性能。 cnki Absorbable organic halogens AOX in nature water, tap water and industrial waster water were determined by microcoulometry. 采用微库仑法对天然水样、自来水及工业废水中的可吸附有机卤化物 AOX进行了测定。 cnki Organic halogens are generated from wool processing which have been proved to be greatly toxic to human being and laid more and more stress recently. 毛纺加工过程产生有机卤化物,对人类造成极大危害,近几年来越来越受到重视。 cnki Oxides of carbon, sulfur, nitrogen and halogens are serious environmental pollutants produced by the productive and social activities of humans. 碳的氧化物、硫的氧化物、氮的氧化物和卤化物等是由人类的生产活动和社会活动产生的重要的环境污染物质。 cnki Perhaps one day, such solid- state headlights will be cheap enough to be after- market replacements not only for today’s dazzling HIDs, but also for yesterday’s far fainter halogens. 也许有一天,这种使用电晶体的前灯能更便宜,在售后市场中不仅可以替代现在眼花缭乱的 HID灯,而且替换那些昏暗的卤素灯。 ecocn Pyridine can react with halogens, nitronium fluoroborate, sulfur trioxide, boranes and chromium trioxide to form some useful organic reagents which are introduced briefly in the paper. 吡啶可以和卤素、 硝基四氟化硼盐、 三氧化硫、 硼烷及三氧化铬反应,形成一些有用的有机试剂。 chemyq These compounds may contain any number of other elements, including hydrogen, nitrogen, oxygen, the halogens as well as phosphorus, silicon and sulfur. 这些化合物也包含任意数量的其它元素,包括:氢、氮、氧、卤素,还包括磷、硅和硫。 chenv1.sit.edu.cn This paper mainly discusses the preparation of halogens-free and low- halagensflame-retardant cable compounds. 本文着重讨论无卤、低卤阻燃电缆料的制备。 cnki Halogens, especially chlorine, were the principle mineralization agent of Tl and the variation of valence of Tl played an important role in the elemental enrichment and ore formation. 卤素,尤其氯是铊富集成矿的矿化剂,铊价态变化在富集成矿过程中具有重要作用。 cnki |