縮酮 的英文怎麼說

中文拼音 [suōtóng]
縮酮 英文
ketal （= ketone acetal）
  • 縮 : 縮構詞成分。
  • 酮 : 名詞[化學] （有機化合物的一類） ketone; alkone; ket-; -one
  1. Since the middle of 20th century chinese scientists have put considerable effort and resources into the search for new antimalarial compounds extracted from chinese traditional herbs. an antimalarial drug was finally isolated in 1971 and named artemisinin or qinghaosu. its rapid action, low toxicity and powerful effect against falciparum malaria made it a favored subject for research

    青蒿素是一種含過氧基團組成縮酮的新倍半萜內酯，我國科學工作者於二十世紀70年代首次從中藥青蒿即菊科植物黃花蒿（ artemisiaannua ）中分離出青蒿素。
  2. High - dose testosterone appears to shorten sleep duration and worsen sleep apnoea in elderly men

    大劑量睪丸酮可引起老年人睡眠時間縮短睡眠呼吸暫停加重。
  3. Catalytic synthesis of butanone glycol ketal with phosphowolframic acid

    磷鎢酸催化合成丁酮乙二醇縮酮
  4. The device serves for distillation of vegetable herbal medicine 、 chinese traditional medicine 、 animal 、 additive, etc. with water 、 ethanol 、 carbinol and act and recycle and concentration of organic solvent

    本設備適用於植物草藥、中藥材、動物藥食品添加劑等。採用水、乙醇、甲醇、丙酮等的提取和有機溶劑的回收與濃縮。
  5. T active immunization could maintain its castration for a period, at the age of 11w, the development of combs and wattles were evidently slower in the immunized groups ( p < 0. 05 ), and the testes atrophied. meanwhile, both its serum t concentration and body weight were evidently lower than the untreated group. 2. the does of 0. 2mg / ml produced the best immunisation performance and promotion growth effecct, we could induce the dosage was the main factor in deciding the final effect, injection at w3 achieved the best result

    11周齡時，各免疫組雞體重、血漿睪酮含量顯著（ p 0 . 05 ）低於對照組，睪丸及冠垂發育受到抑制，明顯發生萎縮，其中以0 . 2mg / ml劑量， 3周齡免疫抑制作用最為明顯；此後隨著日齡的增長，免疫抑制作用逐漸下降，到15周齡時，免疫抑制作用明顯逆轉，機體的生長發育恢復正常，免疫各組與對照組相比測定指標無顯著性差異（ p 0 . 05 ） ；至19周齡，各免疫組睪丸和冠垂生長發育、體重、血漿睪酮含量都顯著（ p 0 . 05 ）高於對照組，其中以0 . 2mg / ml劑量組， 9周齡免疫促生長作用最為明顯。
  6. Results the coagulation time of fibrinogen in plasma increased with the decreasing concentrations of chloromycetin, gentamycin sulfate and ciprofloxacin lactate, but decreased with the decreasing concentration of cefoperazone sodium

    結果隨著氯黴素、硫酸慶大黴素和乳酸環丙沙星濃度的降低，血漿中纖維蛋白原的凝固時間延長；而隨著頭孢哌酮鈉濃度的降低，凝固時間反而縮短。
  7. Methods pinocembrin and its derivatives were synthesized with 2, 4, 6 - trihydroxy - phenylethanone as the starting material via four steps including protection of the hydroxy - group, condensation, cyclization and deprotection

    方法以2 ， 4 ， 6 -三羥基苯乙酮為起始原料，經羥基保護、縮合、環化、脫保護合成目標化合物。
  8. Catalysis of ketol reaction by ultrasound and microwave irradiation

    超聲波和微波輻射催化縮酮反應
  9. Synthesis of pentaerythritol diacetals from aldehydes and ketones under microwave irradiation

    催化下微波促進芳香醛與環酮的縮合反應
  10. Methods : we examined 102 patients who underwent photorefractive keratectomy and received topical steroids ( either fluorometholone 0. 1 % or prednisolone acetate 0. 5 % alone or combined ) as part of postoperative therapy

    方法：我們檢查了103名已行屈光性角膜切除術並以局部類固醇（ 0 . 1丙酮縮氟氫羥龍或0 . 5潑尼松龍或二者兼有）作為部分術后治療的病人。
  11. Synthesis and biological activities of - triazole - acetone semithiocarbazone

    三唑基取代酮縮氨基硫脲類化合物的合成及生物活性
  12. This inactive product is cleaved by a converting enzyme, mainly in the lung but also in the kidney and brain, to an octapeptide, angiotensin ii, which is a potent vasoconstrictor that also stimulates release of aldosterone

    這一非活性產物經轉換酶裂解，主要是在肺部但也在腎和腦部，成為八肽，即血管緊張素，這是和中強烈的血管收縮素，可刺激醛固酮的釋放。
  13. 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
  14. Synthesis of benzyl acetate using solid superacid s2o82 - zro2 - cr2o3 as catalyst

    微波輻射條件下季戊四醇雙縮醛和雙縮酮化合物的合成
  15. Catalytic synthesis of cyclohexanone glycol ketal by coal activated carbon modified by kmno4 as a catalyst

    高錳酸鉀改性煤基活性炭催化合成環己酮乙二醇縮酮
  16. Catalytic synthesis of cyclohexanone ethylene ketal with h3pw12o40 pan

    磷鎢雜多酸摻雜聚苯胺催化合成環己酮乙二醇縮酮
  17. Catalytic synthesis of cyclohexanone ethylene ketal with h3pw6mo6o40 tio

    二氧化鈦負載磷鎢鉬雜多酸催化合成環己酮乙二醇縮酮
  18. Catalytic synthesis of ethyl acetoacetate ethylene glycol ketal by ammonium ferric sulfate

    硫酸鐵銨催化合成乙酰乙酸乙酯乙二醇縮酮
  19. Study on preparation of solid super acid s2 o8 2 - zro2 - ce2 o3 and catalytic synthesis of cycloketal

    3固體超強酸的制備及催化合成環縮酮的研究
  20. The pentaerythritol diacetals were effectively synthesized through condensation reaction of pentaerythritol with aldehydes and ketones promoted by zirconium sulfate - silica gel under microwave irradiation

    摘要微波輻射硫酸鋯矽膠催化季戊四醇與醛、酮縮合反應，高收率制得了雙縮醛和雙縮酮化合物。
分享友人
分享到 Line

分享到臉書