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- The results showed that there is excellent linear relationship between solute-related parameters MR, HOMO, ElcE, DPL with retention indexes. 結果表明,酯類(lèi)化合物的保留指數與溶質(zhì)的分子結構描述參數MR、HOMO、ElcE和DPL之間有很好的線(xiàn)性相關(guān)性。
- The changing law of retention index with temperature from chromatographic thermal function resulted from the variation of the different entropy and enthalpy during the chromatographic separation. 并從色譜熱力學(xué)函數分析了保留指數隨溫度變化規律的主要原因是由于在色譜分離過(guò)程中不同的熵變和焓變所造成的。
- Kovat rs retention indexes 柯瓦特保留指數法
- Kovat's retention indexes 柯瓦特保留指數法
- When the retention indices of n-alkynes were plotted with the positions of the triple bond in the molecule, it can be seen that the curve is also approximately an exponen... 解決了從低碳數直鏈單炔烴保留指數預測高碳數直鏈單炔烴保留指數問(wèn)題。
- chromatographic retention index (RI) 色譜保留值
- temperature-programmed retention index 程序升溫色譜保留指數
- gas chromatography retention index 氣相色譜保留指數
- functional group retention index 功能團保留指數
- retention index of liquid chromatography 液相色譜保留值
- A model of artificial neural network (ANN) about the relationship between the structure of alcohols and their chromatographic retention indices has been set by means of topological indices. 以拓撲指數（分子連接性指數）為結構描述符，用人工神經(jīng)網(wǎng)絡(luò )技術(shù)建立了醇類(lèi)化合物的結構與色譜保留值的相關(guān)性模型。
- They spend the winter(s) in a warmer climate. 他們在氣候較暖的地方過(guò)冬。
- Most plural nouns in English end in "s". 英語(yǔ)的復數名詞多以“s”結尾。
- The sweater had shrunk after repeated washing(s). 這件套頭毛衣洗過(guò)多次已縮水了。
- Some old folk(s) have peculiar tastes. 有些老人有特殊的愛(ài)好。
- Answer the following question(s). 回答下列問(wèn)題。
- Most plural nouns in English end in s'. 英語(yǔ)的復數名詞多以s結尾。
- Raw natural--Determination of plasticity retention index 天然生膠塑性保持率的測定
- The drug affects one's power(s) of concentration. 這種藥影響人精神不能集中。
- Here are the designs. Which one(s) do you prefer? 這就是那些圖樣.;你喜歡哪一個(gè)[些]?
