aldehyde 中文意思是什麼

音標 ['ældihaid]
aldehyde 解釋
n. 名詞 【化學】乙醛;醛。

  1. . the adh ii and pdc activities were detected by aldehyde indicator plates

    在乙醛指示平板上均能檢測到它們的活性。
  2. This reaction involves disproportionation of the aldehyde.

    這個反應就是醛的歧化作用。
  3. The aldehyde solution was then cooled to 0℃ by an external ice bath.

    由外面的冰浴將這種醛的溶液冷卻到0。
  4. Reaction is carried out under a fractionating column that allows aldehyde to pass but returns alcohol to the reaction vessel.

    反應是在裝有分餾柱的反應器中進行的,分餾柱能讓醛通過但使醇迴流到反應器中。
  5. Aldehyde a type of organic compound with the general formula rcho, where the - cho group ( the baldheaded group ) consists of a carbonyl group attached to a hydrogen atom

    醛:一種組成為rcho的有機化合物, - - cho基團(醛基團)是由碳酰基結合氫原子形成的。
  6. The condensation of aromatic aldehyde with barbituric acid, 2 - thiobarbituric acid in water

    硫代巴比妥酸的縮合反應
  7. Catalytic oxidation of benzyl alcohol to benzyl aldehyde with cu sba

    15催化苯甲醇氧化制苯甲醛
  8. Results emodin, astragaloside, protocatechuic aldehyde, paeoniflorin, bupleurum root, and barbary wolfberry fruit could be detected with thin layer chromatography, in which distinct, reproductive and specific spot responsible for every ingredient was observed

    結果在薄層色譜中均能檢出大黃素、黃芪甲苷、原兒茶醛、芍藥苷、柴胡、枸杞子,且色譜斑點清晰,重現性好、專屬性強。
  9. Under acid condition open chaining crown ether diaromatic aldehyde can react, and they will synthesize a compound of chaining crown ether diaromatic aldehyde thiosemi - carbazone kind

    摘要鏈狀冠醚二芳醛在酸性條件下與氨基硫脲反應,合成了鏈狀冠醚二芳醛縮氨硫脲類化合物。
  10. Cinnamic aldehyde dimethyl acetal

    肉桂醛二甲縮醛
  11. - amyl cinnamic aldehyde

    -戊基肉桂醛
  12. Amyl cinnamic aldehyde

    戊基肉桂醛
  13. Diet acrimony, sootiness, salt bloats, mildew changes, cankered food : hot food stimulates gastric mucous membrane, as time passes injures gastric mucous membrane ; carcinogenic substance of fumigated food generation can be caused and aggravating illness ; nitric acid salt is contained in souse food, very powerful carcinogen can be formed after with food medium nitrite is united in wedlock - - inferior saltpetre amine ; mildew changes element of very strong carcinogen yellow aspergillus is contained in food ; cankered material can produce effluvial carcinogen aldehyde. 2

    忌食辛辣、煙熏、鹽腌、霉變、腐爛食品:辛辣食物刺激胃粘膜,久而久之損傷胃粘膜;熏制食物產生致癌物可誘發和加重病情;腌制食物中含有硝酸鹽,和食物中的亞硝酸鹽結合后可以形成很強的致癌物質? ?亞硝胺;霉變食物中含有很強的致癌物質黃麴黴素;腐爛的物質可以產生惡臭的致癌物質乙醛。
  14. With the help of gomori aldehyde fuchsine stain, we can find three kinds cells in pancreas islet. there are yellow granules in a cell, purplish red granules in b cell and green or light gray granules in d cell

    用gomori醛復紅特殊染色法,見尼羅羅非魚胰島有三種細胞: a細胞胞質中有黃色顆粒; b細胞胞質中有紫紅色的顆粒; d細胞胞質內有淺綠色或淡灰色的顆粒。
  15. " china aldehyde wood adhe. guangzhou promulgated " in.

    綏芬河進境木材最高漲幅達2
  16. The company is specialized in colored steel non - combustible sandwich board, phenolic aldehyde colored steel sandwich board and series products of colored steel structure

    昌佳公司專營彩鋼不燃型夾芯板,酚醛彩鋼夾芯板、彩鋼結構系列產品。
  17. Borohydride which supported by strongly basic ion exchange resin reduced phseseph giving polymer - supported phenylselenide anion. it reacted with, - unsaturated aldehyde or epoxide to produce corresponding selenide. respective conditions were studied also

    強堿型離子交換樹脂支載的四氫化硼與二苯聯硒反應,得到載體化的苯硒陰離子試劑,它與, -不飽和醛及環氧化物反應,生成相應的硒醚.對各自的反應條件也進行了探討
  18. Abstract a new, stereo - controlled method of aldehyde group synthesis is summarized, which is used to synthesize aldehyde group by introducing thiazole ring and has a wide appreciation for bio - activated compounds synthesis

    摘要本文綜述了一種新型可立體控制的醛基合成方法? ?利用唑環引入醛基的方法以及它在具有生物活性物質合成中的應用。
  19. A facile method for the preparation of 10 - arylmethylene anthrone is reported. when anthrone react with aryl aldehyde in the presence of pyridine by using xylene as the solvent, besides 10 - arylmethylene anthrone derivatives we found other oxygenated anthrone which have not been reported. physical methods shows that the oxygenated anthrone is anthraquinone, and the anthraquinone cannot be removed from the condensed products by recrystallization with solvents. an effective method of getting ride of anthraquinone is sublimation by heating

    以蒽酮和芳香醛為原料,二甲苯為溶劑,吡啶催化法制取10 -芳香基甲叉基蒽酮.發現其生成物中除含有目標化合物10 -芳香基甲叉基蒽酮外,還含有部分文獻中沒有報道的蒽酮氧化物,經物理方法確定其為蒽醌.該化合物不能用溶劑重結晶的方法將其從縮合產物中除去,有效的分離方法是升華
  20. In higher plants, betaine is synthesized by a two - step oxidation of choline : choline - betaine aldehyde - betaine. the first step is catalyzed by choline monooxygenase ( cmo ). the second step is catalyzed by betaine aldehyde dehydrogenase ( badh )

    高等植物中,甜菜堿由膽堿經兩步酶催氧化得到,即:膽堿- -甜菜堿醛- -甜菜堿,催化第一步反應的酶是膽堿單加氧酶( cholinemonooxygenase , cmo ) ,催化第二步反應的酶是甜菜堿醛脫氫酶( betainealdehydedehydrogenase , badh ) 。
分享友人