ethyl--chromone 中文意思是什麼

ethyl--chromone 解釋

  • ethyl : n. 1. 【化學】乙基,乙烷基。2. 四乙鉛〈加在汽油中的防爆劑〉。3. 含四乙鉛的汽車燃料。
  • chromone : 苯並-γ-吡喃酮
  1. The synthesis process of acetimidoyl ethyl ether hydrochloride was introduced, and the preparations of acetamide, ethyl acetate, acetamidine hydrochloride, triethyl orthoacetate, n - cyan - iminoester hydrochloride and hydrazone by acetimidoyl ethyl ether hydrochloride were summarized

    摘要介紹了亞氨基乙醚鹽酸鹽的合成工藝,總結了亞氨基乙醚鹽酸鹽制備乙酰胺、乙酸乙酯、鹽酸乙脒、原乙酸三乙酯、 n -氰基乙亞氨酸乙酯以及腙類化合物的合成方法。
  2. In benzene or ethyl acetate solution rates increase linearly with methyl methacrylate concentration.

    在苯或乙酸乙酯溶液中其衰減速度隨甲基丙烯酸甲脂濃度呈直線地增大。
  3. Dissolve in water, carbinol, ethyl acetate, ethanol, methylene chloride and hydrocarbon. store in obturation, photophygous, low temperature neutral or alkalescence condition. nvp is moderate poisonous, less smell causticity to rubber and leather

    棕黃色或棕紅色成型粉狀,具有淡淡的特殊氣味,溶於水和乙醇,不溶於二乙醚和氯仿,穩定性好,無刺激,對細菌病毒真菌黴菌及孢子都有較強的殺滅作用。
  4. Using ethyl cyanoacetate, triethyl orthoformate and methylhydrazine as main raw materials, the herbicide pyrazosulfuron was prepared through the reactions of substitution, amination, cylclization, diazotization and chlorosulfonation

    摘要以氰乙酸乙酯、原甲酸三乙酯和甲肼等為主要原料,通過取代、胺化、環化、重氮化和氯磺化等反應制得了除草劑吡嘧磺隆原料藥。
  5. In this paper, we reported the synthesis of three supramolecular complexes between - cyclodextrin and anisole, ethyl benzoate, m - cresol, respectively, which are identified by means of 1hnmr technique

    摘要以-環糊精與苯甲酸乙酯、苯甲醚和間甲酚在水相中通過范德華力發生包合反應形成了主客體超分子絡合物,並用核磁共振氫譜對絡合物進行了表徵。
  6. Antioxidant activity of 2 - ethyl - 3 - hydroxy - 6 - phenylthio - 4 - pyridone

    吡啶酮的抗氧化作用
  7. Dissolves in the water, the ethyl alcohol, does not dissolve in the acetone, the benzine

    溶於水、乙醇,不溶於丙銅、石油醚
  8. Catalytic synthesis of ethyl benzoate by sulfamic acid

    氨基磺酸催化合成苯甲酸乙酯
  9. Ethyl acetate for pesticide residue and polychlorinated biphenyl analysis

    殺蟲劑殘留物和多氯化聯苯分析用乙基酸鹽
  10. The methods for synthesizing p - hydroxyl ethyl benzoate catalyzed by sulfuric acid, p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, aluminum chloride hexahydrate, stannic chloride pentahydrate, copper sulfate, titanium sulfate, rare earth metal oxide, sodium bisulfate monohydrate, solid super acid and heteropoly acid and so on are reviewed

    摘要評述了硫酸、對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水合三氯化鐵、六水合三氯化鋁、五水四氯化錫、硫酸銅、硫酸鈦、稀土金屬氧化物、一水硫酸氫鈉、固體超強酸、雜多酸等催化劑催化合成對羥基苯甲酸乙酯的方法。
  11. The experimental results of the catalysts such as p - toluene sulfonic acid, strongly acidic cationic exchange resin, sulfo - polyvinyl chloride resin ferric chloride hexahydrate, polyvinyl chloride - ferric chloride resin chlorinated polyvinyl chloride - ferric chloride resin, stannous chloride dihydrate, ammonium ferric sulfate dodecahydrate, ferrie sulfate - potassium thiosulfate, cerium sulfate tetrahydrate, sodium bisulfate monohydrate potassium bisulfate, neodymia solid super acid and heteropoly acid for catalytic synthesis of ethyl chloroacetate were reviewed

    摘要評述了對甲苯磺酸、強酸性陽離子交換樹脂、磺化聚氯乙烯樹脂、六水三氯化鐵、聚氯乙烯三氯化鐵樹脂、氯化聚氯乙烯三氯化鐵樹脂、二水氯化亞錫、十二水合硫酸鐵按、硫酸鐵硫代硫酸鉀復鹽、四水硫酸鈰、一水硫酸氫鈉、硫酸氫鉀、三氧化二釹、固體超強酸和雜多酸等催化劑催化合成氯乙酸乙酯的實驗結果。
  12. Preparation of - phenyl - 2s - n - boc - amino acid ethyl ester

    叔丁氧羰基氨基酸乙酯的制備
  13. Food additive - ethyl butyrate

    食品添加劑丁酸乙酯
  14. Hydroxy butyric acid ethyl ester

    羥基丁酸乙酯
  15. Synthesis of coumarin - 3 - carboxylic acid ethyl ester

    甲酸乙酯的合成
  16. Study on synthesis of 4 - ethyl - 4 ' - cyano - phenyl carboxylic ester

    對乙基苯甲酸對氰基苯酚酯的合成研究
  17. Studies on the synthesis of hexakis 4 - carboxylic acid ethyl ester phenoxy cyclotriphosphazenes

    三聚磷腈的合成研究
  18. A mixture of catechin and epicatechin, procyanidin b4, 4 - hydroxy - benzoic acid and ethyl gal - late were purified and identified from grape seed procyanidin extract

    得到2種原花青素的單體: ( + ) -兒茶素和( - ) -表兒茶素; 1種原花青素二聚體b4 ; 2種其他酚類物質:對羥基苯甲酸及沒食子酸乙酯。
  19. These peaks correspond to side-chain cleavage of the ethyl and propyl groups respectively.

    這些峰分別相當于乙基和丙基的側鏈開裂。
  20. In this thesis, new fluorescence carriers with good properties were synthesized and copolymerized under uv irradiation on the silanized glass or quartz disk and - the sensors prepared were studied. ( 1 ) n - propyl - 4 - ( n - methylacryloxy - ethyl ) amino - 1, 8 - naphthalimide ( pmean ) was synthesized and used for determination of picric acid. the linear range of the sensor is 9. 80x10 - 7 - 1. 96x10 - 4 mol i - 1

    ( 1 )合成了n -丙基- 4 - ( n -甲基丙烯酰基氧乙基)氨基- 1 , 8 -萘酰亞胺( pmean ) ,研製出了苦味酸熒光光纖傳感器,可間接測定藥片中磷酸氯喹和水樣中苦味酸的含量。
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