您要查找的是不是:
- A salt or an ester of propionic acid. 丙酸鹽丙酸的一種鹽或脂
- The group of 20g/kg propionic acid had the best results. 在本次試驗中,以20g/kg丙酸添加組的青貯效果最好。
- Propionic acid is product heavily short of in our country. 丙酸是目前國內十分緊缺的一種產品。
- OBJECTIVE To investigate the major metabolites of eugenol ibuprofen ester propionic acid. 目的研究鑒定丁香酚布洛芬酯在大鼠體內的代謝行為。
- The p - fluorophenoxy propionic acid was synthesized by p -fluorophenol and 3 - chloropropanoic acid as row materials and catalized by PEG -400/KI. 採用對氟苯酚和3-氯丙酸為起始原料,用聚乙二醇PEG-400和KI雙組分催化劑合成對氟苯氧丙酸。
- The kit has good antiseptic effect with propionic acid at 2.5ml per 350ml artificial diet. 篩選出人工飼料中防腐劑劑量的最佳值為每350毫升飼料中含丙酸2.;5ml。
- Propionic acid is an important chemical raw material, but it is also a material of serious scarcity in China. 丙酸是重要的食品、醫學、飼料工業原料,也是目前我國緊缺的防腐劑原材料之一。
- Among these products the production of propanal, propanol and propionic acid remains almost a blank in China. 介紹了世界丙醛系列產品的生產與應用。
- Production techniques and market of propionic aldehyde and propionic acid and propanol are introduced in this paper. 本文綜述了丙醛、丙酸、丙醇的工藝技術及市場前景。
- In VFA, aluminum compounds have more serious inhibitation to acetic acid and butyric acid contrasting propionic acid. 試驗后通過對厭氧微生物液體培養基VFA組分的測定,發現鋁鹽對乙酸和丁酸的抑制作用較丙酸更強烈些。
- The concentration of propionic acid finally obtained was 15.19882g/100ml, yield was 74.54%. 最終得到的丙酸水溶液濃度為15.;19882g/100ml,最終收率為74
- A series of polyurethane anionomers were synthesized from isophorone diisocyanate, polyneopentanediol adipate and dimethanol propionic acid (DMPA). 摘要用異佛爾酮二異氰酸酯、聚己二酸新戊二醇酯和二羥甲基丙酸(DMPA)合成了負離子型聚氨酯離聚體。
- The p-fluorophenoxy propionic acid was synthesized by p-fluorophenol and 3-chloropropanoic acid as row materials and transfer catalyzed by TEBA. 以對氟苯酚和3-氯丙酸為起始原料,用苄基三乙基氯化銨作為催化劑,經過相轉移催化合成對氟苯氧丙酸。
- The title aqueous polyurethane(APU) has been prepared by using polyether,dimethylol propionic acid and toluene diisocyanate(TDI) and siloxane monomer. 採用有機硅氧烷單體與聚醚、二羥甲基丙酸(DMPA)和甲苯二異氰酸酯(TD I)反應製備水性聚氨酯塗料。
- Propionic acid was prepared with propionaldehyde as material, cobalt acetate as catalyst, calgon as cocataly, by propionaldehyde oxidation. 以丙醛為原料,乙酸鈷為催化劑,六偏磷酸鈉為助催化劑,將丙醛氧化可製備丙酸。
- OBJECTIVE To synthesize 3,3-bis (dibenzyloxyphosphoryl) propionic acid(5) and 3,3-bis (dibenzyloxyphosphoryl) propanol (6). 摘要目的合成3,3-二(二苄氧膦醯基)丙酸(5)和3,3-二(二苄氧膦醯基)丙醇(6)。
- The vapor association of acetic acid and propionic acid due to dimerization and trimerization has been considered as well. 考慮乙酸與丙酸於氣相因結合作用在氣相形成二聚體及三聚體。
- The crosslinking polyurethane emulsions were prepared from polyether,stoluene diisocyanate, dimethanol propionic acid, trimethanol propane (TMP), etc. 由聚醚、甲苯二異氰酸酯、二羥甲基丙酸及三羥甲基丙烷(TMP)等為原料製備交聯型聚氨酯乳液。
- Improved synthesis of 2-(4-bromomethylphenyl)propionic acid,the key intermediate for loxoprofen sodium,was investigated. 對洛索洛芬鈉的關鍵中間體2-(4-溴甲基苯基)丙酸的合成工藝進行了改進研究。
- The influence of white-rot fungi pretreatment of corncob on vapor-hydrolysis with propionic acid to make cellulose was studied. 探討了白腐菌預處理對丙酸蒸解法製取纖維素的影響。