查询词典 chemical compound

Simple Time and Compound Time：單拍子與複拍子

◎ Duple Time and Triple Time 二分拍與三分拍 | ◎ Simple Time and Compound Time 單拍子與複拍子 | [6] Intervals and Chords 音程與和弦

quaternary ammonium compound：季铵化合物

-季铵化合物(Quaternary Ammonium Compound) 季铵化合物经常作为消毒剂用於药物、食品和医疗设备. 它稳定,无腐蚀,无刺激和能杀灭各种pH值的微生物,当需要清洁时它的表面作用是一个优点.

quaternary ammonium compound：四级铵化合物;季铵化合物

quaternary ammonium base 四级铵硷;季铵硷 | quaternary ammonium compound 四级铵化合物;季铵化合物 | quaternary ammonium salt 四级铵盐;季铵盐

quaternary ammonium compound：四铵化合物

\\"苦木\\",\\"Quassia\\" | \\"四铵化合物\\",\\"quaternary ammonium compound\\" | \\"昆士兰搔痒症,糠蚊刺伤性过敏性皮肤炎\\",\\"Queensland itch\\"

quaternary ammonium compound：季铵化合物,四级铵化合物

quaternary ammonium 季铵,四级铵 | quaternary ammonium compound 季铵化合物,四级铵化合物 | quaternary ammonium hydroxide 季铵碱

extraction with quaternary ammonium compound：季铵盐萃取法

extraction steam 抽汽 | extraction with quaternary ammonium compound 季铵盐萃取法 | Extra-High-Voltage Transmission and Distribution Construction Company of China [EHVC] 中国超高压输变电建设公司

Alkyl glucoside quaternary ammonium compound：烷基多糖苷季铵盐

含全氟烷基季铵盐:Perfluoroalkyl-containing quaternary ammonium salt | 烷基多糖苷季铵盐:Alkyl glucoside quaternary ammonium compound | 四进制基带数字信号:quaternary baseband digital signal

nitroso compound：亚硝化合物

近十五年来,许多研究食物中微量亚硝化合物(nitroso compound),如亚硝胺(N-nitrosamine)及亚硝醯胺(N-nitrosamide,见表一)的报告陆续发表. 报告指出亚硝胺只在少数食物中发现,且含量低,但亚硝醯胺却在许多食物中都可发现(见图一).

nitroso compound：亚硝基化合物

nitrosilk 硝化纤维丝 | nitroso compound 亚硝基化合物 | nitroso group 亚硝基

nitroso group：亚硝基

nitroso compound 亚硝基化合物 | nitroso group 亚硝基 | nitroso rubber 亚硝基橡胶

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Tu Fu Ling：土茯苓

牡丹皮 Mu Dan Pi | 土茯苓 Tu Fu Ling | 金银花 Jin Yin Hua