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- The content determination of hesperidin has been carried out by reversed-phase HPLC with Cig chemical bonded silica gel as a solid phase, acetonitrile water(19.5:80.5) as a mobile phase and UV detection wavelength at 284nm. 以C_(18)化學(xué)鍵合硅膠為固定相，乙腈-水(19.;5：80
- Phenylcarbamates of cellulose (CTPC) were chemically bonded to 3-aminopropyl silica gel with 4,4'-diphenylmethane diisocyanate as a spacer through the carboxyl of the glucose unit of cellulose. 采用化學(xué)鍵合法，利用4，4’-二苯基甲基二異氰酸酯作間隔臂，通過(guò)纖維素葡萄糖單元上2、3或6-位上的羥基將纖維素衍生物鍵合在氨丙基硅膠上，制備了鍵合型纖維素．苯基氨基甲酸酯手性固定相。
- Tending to attract electrons to form a chemical bond. 負電極的有吸引電子以形成化學(xué)鍵的傾向的
- What's the nature of chemical bond? 什么是化學(xué)鍵的本質(zhì)?
- A chemical bond or link created by cross-linking. 交鍵通過(guò)交聯(lián)形成的化學(xué)鍵
- A new synthesize method of weak-base ion exchange fiber was developed in our lab.The process produces amine and imidazolyl functional groups chemically bonded to the PAN fiber. 介紹了聚丙烯腈(簡(jiǎn)稱(chēng)PAN)纖維經(jīng)過(guò)水解預處理、胺化、咪化等過(guò)程的試驗研究,合成一種含胺基、咪唑基,交換容量較大的弱堿性離子交換纖維。
- Tending to release electrons to form a chemical bond. 有釋放電子以形成化學(xué)鍵傾向的
- The new material, which belongs to chemically bonded ceramics (CBC), is discusseddetailedly as antimicrobial supporter on its preparation, structure characteristics and properties. 較詳細地介紹和論述了CBC材料作為抗菌載體材料的制備方法、結構特征及其抗菌性能。
- phthalocyanine bonded silica gel 酞菁鍵合硅膠
- Curcumin bonded silica gel stationary phase 姜黃素鍵合硅膠固定相
- IR spectrum showed that the chemical bond was formed between PU and EP. 傅立葉紅外光譜分析顯示出了環(huán)氧樹(shù)脂與水性聚氨酯之間存在化學(xué)鍵的連接。
- G409 is a good kind of clarificant. (NH4) 2CO3 is the best amino chemical compound of the several reactant used in this study because of its advantages of low cost and good result. 作為反應劑的氨基化合物以碳酸銨為宜，它具有成本低、效果好的優(yōu)點(diǎn)，碳酸銨用量以2%25（按原料糖蜜計）為宜。
- A chemical bond. 化學(xué)黏合劑
- chemically bonded magnesite brick 化學(xué)結合的鎂磚
- chemically bonded protective layer 化學(xué)結合型保護層
- chemically bonded stationary phase 化學(xué)鍵合固定相
- Keywords HPLC;Bonded silica stationary phase;Aza crown ether; 高效液相色譜;鍵合硅膠固定相;氮雜冠醚;
- Nanotubes are stronger than metal because the chemical bond holding them together is stronger. 納管之所以比金屬硬，是因為把碳原子連在一起的化學(xué)鍵更強。
- 5-Dinitrobenzoyl-substituted β-cyclodextrin bonded silica 5-二硝基苯甲?；?環(huán)糊精鍵合硅膠
- To his surprise,the food industhj had the answer. Since 1912 chemists have known that in the heat of an oven sugars and amino acids foim tight chemical bonds -- a reaction that turns roasted turkey ,toast and coffee to a tasty golden brown. 令杰里驚奇的是，食品工業(yè)解決了這個(gè)難題：早在1912年，化學(xué)家們就已了解到在烤爐的高溫中糖和氨基酸會(huì )形成緊密的化合健，這是一種化學(xué)反應，它會(huì )使烤雞，吐司，咖啡變得焦黃、可口。
