羥醛反應 的英文怎麼說
中文拼音 [qiǎngquánfǎnyīng]
羥醛反應
英文
aldol reaction-
The natural product ( ) - dihydroactinidiolide was synthesized from citral via following steps : cyclization, cyanation, hydrolysis - cycization and dehydration in 40. 24 % total yield
摘要以檸檬醛為原料，經環化、羥腈化、水解關環和脫水4步反應，以40 . 24 %的總產率合成了（ ） -氫獼猴桃內酯。The analysis results of the reducing sugar and hmf content in bread crumb with different storage time showed that the browning of bread crumb was caused by maillard reaction
通過對不同貯存時間麵包瓤中還原糖含量和羥甲基糠醛（ hmf ）含量的測定，表明麵包褐變主要是由美拉德反應引起。Abstract : researches on unformaldehyde unironing finishing are summarized in this paper. functions and deficiencies of glyoralamido, water soluble heat reactive polyure thane, bishydroxyethyl - sulfoue, natural high precision chitosan, reactive organosilicon, amyloidosis epoxide, multiple carboxyl acid compound are also analyzed and compared
文摘:綜述了無甲醛免燙整理方面的研究，分析比較了乙二醛-酰胺類整理劑、水溶熱反應性聚氨酯、雙羥乙基碸、天然高聚物殼聚糖、反應性的有機硅、澱粉改性物、環氧類整理劑、多羧酸化合物等無甲醛抗皺整理劑的功能以及各種整理劑存在的不足The condensation of aromatic aldhydes with hydroxylamine hydrochloride in aqueous solution under ultrasound irradiation results oximes in 72 % ~ 98 % yields without catalyst
摘要在沒有催化劑條件下，芳香醛與鹽酸羥胺的水溶液經超聲輻射于室溫反應，可以72 % ~ 98 %收率得到肟。There were limited reports about the metabolism catalyzed by ugt1a9. ugt1a9 mainly catalyze the glucuronidation of hydroxyl to produce o - glucuronide. besides, ugt1a9 also catalyze the glucuronidation of carboxyl and hydroxylamine compounds
有關ugt1a9的代謝作用研究不多，從文獻報道來看， ugt1a9主要催化羥基上的綴合反應，形成o -葡醛酸苷，此外它也能與羧基、羥肟酸形成葡醛酸苷。Chelate reaction between borate ions and phenol hydroxyl group, ortho - position hydroxymethyl group of phenol - formaldehyde resol resin
硼酸根與甲階酚醛樹脂中酚羥基和鄰位羥甲基的螯合反應The expression vector prep9 was employed for the effective expression of ugt1a9 in chinese hamster lung cells ( chl ). the cell lines established were used for the study of glucuronidation in vitro, and the drug metabolism characteristics were summarized. as has been indicated that ugt1a9 mainly glucuronide hydroxyl, compounds that have aliphatic or phenol hydroxyl were selected for substrates of ugt1a9
由於botiag主要催化羥基的們醛釀綴合反應，本實驗選擇具有不同結構類型的含羥基化合物作為底物，一類是羥基處于芳環的異丙酚和撲熱息痛，其中異丙酚是gylag的專屬性底物，可以作為活性比較的參照，另一類是羥基處于脂鏈的普莢訖爾和普羅帕酮The source of uncertainty was analyzed in detail about the determination of the epoxide index for epoxy resins by infrared spectroscopy, the determination of the temperature and the heat of the curing reaction for epoxy resins by differential scanning calorimetry, the determination of the hydroxymethyl index for phenolic resins by infrared spectroscopy and the reverse phase method of the high performance liquid chromatography for phenolic resins. the uncertainties of these testing methods were determined. some applied tests were carried out
在大量試驗研究的基礎上，首次對紅外光譜法測定環氧樹脂環氧指數試驗方法、差示掃描量熱法測定環氧樹脂反應溫度和反應熱試驗方法、紅外光譜法測定酚醛樹脂羥甲基指數試驗方法、酚醛樹脂的高效液相色譜分析方法的不確定度來源進行了分析，對測量方法的不確定度進行了評定，並進行了應用試驗。分享友人