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英語人>網(wǎng)絡(luò)例句>aldehydes 相關(guān)的網(wǎng)絡(luò)例句
aldehydes相關(guān)的網(wǎng)絡(luò)例句

查詢?cè)~典 aldehydes

與 aldehydes 相關(guān)的網(wǎng)絡(luò)例句 [注:此內(nèi)容來源于網(wǎng)絡(luò)日日草黄片免费看,僅供參考]

Ethylene oxide, composite aldehydes, quaternary ammonium salt-type compound, surfactant, activity factor, chelator.

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Ethylene oxide, chlorine dioxide, the compound aldehydes, quaternary ammonium compound category, surfactant, the activity factor, spices.

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Quaternary ammonium compound category, chlorine dioxide, ethylene oxide, composite aldehydes, chelating agent, surfactant, the activity factor.

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Ethylene oxide, chlorine dioxide, composite aldehydes, quaternary ammonium salt-type compound, surfactant, activity factor, chelator.

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Ethylene oxide, chlorine dioxide, the compound aldehydes, quaternary ammonium compound category, surfactant, the activity factor, the chelating agent.

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As for the direct reactions of ketones or aldehydes and DyI_2, the formation of products can be controlled by adjusting the quantity of DyI_2, when DyI_2 is used as 1 equiv.

對(duì)于醛、酮直接與DyI_2的反應(yīng)AAAAA西欧黄片,則可以通過調(diào)節(jié)DyI_2的計(jì)量來控制產(chǎn)物的生成私人玩物一区二区,當(dāng)DyI_2的用量和醛或酮是等當(dāng)量時(shí),得到的是頻那醇偶聯(lián)產(chǎn)物男女自拍视频网站;而當(dāng)DyI_2的用量是兩倍當(dāng)量時(shí)特黄毛片A片免费网站,得到的就是相應(yīng)的醇亚洲欧美日韩国国产综合。

One-pot three component condensation reactions of aromatic aldehydes, malononitrile, and barbituric acid were described for the preparation of a series of pyrano[2,3-d]pyrimidine derivatives under ultrasonic irradiation in aqueous media without catalyst.

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