羥醛 的英文怎麼說

中文拼音 [qiǎngquán]
羥醛 英文
aldol
  • 羥 : 名詞[化學] （羥基） hydroxyl （group）
  • 醛 : 名詞[化學] （有機化合物的一類） aldehyde
  1. Boracic modified penolic resin with boracic acid and hydroxymethyl phenol was manufactured after hydroxymethyl phenol was created with in a special way

    摘要通過在一定條件下，先將苯酚、甲醛製成羥甲基酚，然後改變條件與硼酸共聚，制得具有合成穩定和較好耐熱性的硼改性酚醛共聚樹脂。
  2. 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。
  3. ( 2 ) an aminobenthiazole schiff base has been synthesized as a new fluorescence carrier by reacting 2 - aminobenthiazole with p - allyoxybenzoldohyde. the new kind of schiff base can be utilized for preparing an optical sensor, used for determining furazolidone based on the fluorescence quenching. aminobenthiazole schiff base immobilized on a glass plate surface by covalent bonding can circumvent the leakage of the fluorephore from the sensor surface and guarantee a relatively long working lifetime

    （ 3 ）用強熒光基團2 -氨基苯並蒽酮與對烯丙氧基苯甲醛合成了另一種新的schiff堿類化合物，與甲基丙烯酸羥乙酯、丙烯酰胺、環乙二醇二丙烯酸酯共聚制得光極膜，制備了一種苯並蒽酮schiff堿光化學傳感器，可用於單質碘的測定。
  4. 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。
  5. The barnidipine hydrochloride were prepared via cyclocondensation from m - nitrobenzaldehyde, methyl acetoacetate and anmmonium bicarbonate, hydrolysis, esterification with opticaliy ( s ) - n - benzyl - 3 - py - rrolidinol, recrystallisation and salification

    摘要研究了以碳酸氫銨，間硝基苯甲醛和乙酰乙酸甲酯為原料，經縮合、部分水解，再與（ s ） - n -芐基3 -羥基吡咯烷經酯化、分步重結晶、成鹽得到鹽酸巴尼地平的工藝路線。
  6. Thermocuring and heat resistance of the complexes of sodium borate with phenol - formaldehyde resin

    高羥甲基含量甲階酚醛樹脂的合成
  7. 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
  8. Its headquarter is located at xinkailu no. 8, xuanhua district of zhangjiakou city. its main products include ziyun brand civil explosive products series : powdery ammonium nitrate explosive emulsion explosive industrial fuse ; ziyun brand fine chemical products series : glyoxalic acid 5 - 4 - hydroxyphenyl hydantoin p - hydroxyphenylacetic acid p - hydroxyphenylacetamide allantoin daidzein bufexamac ; aaa brand fine chemical products series : ethylamine methanol trimethylacetic acid tert - valeryl chloride ; great wall brand agricultural chemical fertilizer products series : ammonia urea ammonium bicarbonate ; chenguang brand calium carbide chenguang brand acetylene carbon black xuguang brand dissolved acetylene ; and the others as sulphur ammoina liquor oxygen nitrogen, etc.

    公司現有主要產品為，紫雲牌民爆產品系列：粉狀硝銨炸藥乳化炸藥工業導火索紫雲牌精細化工產品系列：乙醛酸對羥基苯海因對羥基苯乙酸對羥基苯乙酰胺尿囊素大豆甙元丁苯羥酸三a牌精細化工產品系列：乙基胺甲醇特戊酸特戊酰氯長城牌農化產品系列：合成氨尿素碳銨晨光牌電石，乙炔炭黑旭光牌溶解乙炔。
  9. Characterization of phenol - formaldehyde resin by fd - ms

    高羥甲基含量硼酚醛樹脂的合成及表徵
  10. 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。
  11. This thesis consists of four chapters : ( 1 ) a review ; ( 2 ) study on the optical chemical membrane for detection of lead ion by using 2 - hydroxy - 1 - naphthaldehydene - 8 - aminoquinoline as fluorescence indicator ; ( 3 ) study on the optical chemical membrane for detection of lead ion by using meso - ( 4 - methyloxyphenyl ) porphyrin as fluorescence indicator ; ( 4 ) study on the optical chemical membrane for detection of lead ion by using 2 - methene - benzimidazole monoaza - 18 - crown - 6 as fluorescence indicator. in chapter one, the laboratory method for determination of lead ion, the progresses of chemical sensor for detection of lead ion recently and the introduction of the basic theory, relative merits of sol - gel and its application in optical chemical sensor were involved

    第二章利用有機改性的溶膠-凝膠包埋方式，以2 -羥基- 1 -萘甲醛- 8 -氨基喹啉為熒光指示探針，結合正交實驗方法探索了幾個重要因素，如加水量、醇硅比、催化劑、添加劑等對成膜性的影響，制備了對水中鉛離子有較好響應的傳感膜，其線性范圍為1 . 0 10 - 7 ~ 5 . 0 10 - 5mol / l ，檢測限為3 . 6 10 - 8mol / l 。
  12. Resin finishing agent - determination of methylol formaldehyde content

    樹脂整理劑中羥甲基甲醛含量的測定方法
  13. 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。
  14. Test method for qualitative determination of methylol group in phenolic resins

    酚醛樹脂中羥甲基組團定性測定的試驗方法
  15. 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
  16. The key stage of fabricating gene chip is pretreatment of glass surface including the processes of nh3h2o treatment, aminosilane treatment and aldehyde treatment. the pretreatment can grow active group that can bind probe effectively on the surface of glass slide. as a result, the actively treated glass slide can suit for fabricating in - situ synthesis high density gene chips

    基因晶元制備技術的關鍵步驟是玻片表面預處理，即對玻片表面進行羥基化、氨基化和醛基化處理，使表面生長的活性基團能有效固定寡核苷酸探針，以滿足原位合成高密度基因晶元對玻片的要求。
  17. First, glass slides having been rinsed will be treated with nh3h2o, aminosilane and aldehyde. second, the quality of pretreatment surface of glass slides can be tested through methods of fluorescence and afm microscope. in the end, the characteristic of probe immobile ratio for oligonucleotide on glass surface is obtained through researching the internal relation of these two methods

    實驗選用表面平整的德國玻片，將清洗好的玻片分別進行羥基化、氨基化、醛基化，採用熒光法和原子力顯微鏡法分別檢測玻片表面預處理質量，研究兩種檢測方法之間的內在聯系，從而確定表徵玻片表面寡核苷酸探針固定率的方法。
  18. Reactive aldehydes from lipid peroxidation such as malonaldehyde ( mda ), 4 - hydroxynonenal ( hne ) are responsible for the modification of different biological macromolecular structures and functions by reacting with either sh - groups or amino groups of bio - molecules to form seminercaptals or schiff bases and lead to various aging - related alterations

    而我們則進一步提出這些不飽和的醛酮尤其是丙二醛（ mda ）與4 -羥基壬烯醛（ hne ）很可能是導致與疾病及衰老相關的老年色素類熒光物質的形成及血液粘度增加的內在原因之一。
  19. ( 3 ) volume shrinkage of composite decreases greatly with wpu increasing, even can arrive a negative number, but thermal stability is still good. ( 4 ) toughening mechanism is that : the formation of high molecular linear amino formate construct is the toughening reason ; hydroxyl - terminated pu - prepolymer and pf react to produce chemical bond effect which participate cure ; carboxyl - terminated pu - prepolymer and pf form semi - ipn which make toughened pf occur maximum

    （ 4 ）通過紅外光譜對pf / pu共混物分子結構進行的定性分析、以及掃描電鏡對沖擊斷面形貌進行的分析，可證明聚氨酯預聚物增韌酚醛樹脂的機理是：兩個體系都是由於高分子量的線形氨基甲酸酯結構而增韌；端羥基pu與pf在共固化中產生化學鍵效應，參與pf的固化；而端羧基pu則與pf形成半互穿網路而增韌。
  20. Catalytic synthesis of p - hydroxybenzaldehyde by polymer supported schiff base

    堿催化合成對羥基苯甲醛
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