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- Antibacterial peptides were extracted from healthy Japanese flounder (Paralichthys olivaceus) tissues including skins, gills, liver, kidney by methanol and acetone extraction. 摘要以新鲜的牙鲆为试验材料,用100%25丙酮和90%25甲醇配制的提取液,从牙鲆的鳃、皮肤、肝、肾组织中提取抗菌肽,并对牙鲆抗菌肽粗提物进行部分性质检测。
- methanol and acetone 甲醇和丙酮
- Such organic solvent as turpentine, gasoline and acetone etc. 松节油、汽油、丙酮有机溶液。
- METHODS The5 F was extracted by methanol and determined by HPLC. 方法用甲醇加热回流提取,反相高效液相色谱法定量分析。
- The supersaturation degree and viscosity of the solution can be regulatedby adding a water-soluble organic solvent, e.g. methanol, ethanol and acetone. 溶液的过饱和度和粘度可用水溶性有机溶剂像甲醇、乙醇、丙酮来调节。
- The applications and synthetic methods of 2,2 - dimethoxy propane from different materials including methylacetylene and methanol , acetone and methanol, trimethyl orthoformate and acetone, acetone ketal of polyhy-dric alcohol and methanol were reviewed. 综述了采用不同原料即丙炔和甲醇、丙酮和甲醇、原甲酸三甲酯和丙酮、丙酮缩多元醇与甲醇合成2,2-二甲氧基丙烷的方法及其应用。
- Dimethyl dioxirane was prepared with potassium monoperoxy sulfate and acetone. 通过过一硫酸和丙酮反应,合成了新型高效的氧化剂二甲二氧环烷。
- While the oil is cooling mix your methanol and NaOH(lye) to form the methoxide. 当食用油冷却时,先将甲醇和氢氧化钠。
- The synthesis of the low molecular weight polyacrylamide was imvestigated in the mixed solvents of ethanol and acetone. 以乙醇和丙酮为混合溶剂合成了低分子量聚丙烯酰胺.
- Glass or ceramic cleaned with methanol and dipped in boiling paraffin has a good, but not durable, insulating surface. 用甲醇清洁处理、并浸以沸腾的石蜡以后,具有很好的绝缘表面,但是不能持久。
- Using HSS-4A and DB-FFAP wide bore capllary column and acetone as the internal standard. 采用HSS-4A顶空进样装置和DB-FFAP大口径毛细管柱,以丙酮为内标进行定量。
- A method for preparing dimethyl phosphite was developed from methanol and phosphorous trichloride. 研究了用三氯化磷和甲醇合成亚磷酸二甲酯的方法。
- Light fraction and sodium phenolate can be returned to the production processes of phenol and acetone. 轻组分和酚钠盐均返回苯酚、丙酮生产装置。
- Methyl 3-methoxypropionate(MMP)was prepared from methanol and methyl acrylate(MA) using sodium methoxide as catalyst. 以甲醇和丙烯酸甲酯(MA)为原料,甲醇钠为催化剂,合成了3-甲氧基丙酸甲酯(MMP)。
- The effect of temperature solvents, and the amount of citral and acetone was investigated. 研究了温度、溶剂及柠檬醛、丙酮不同用量对缩合反应的影响。
- Mixture of methanol and water are used to extracted aflatoxins from peanuts,then purified with column of immunity. 研究了液相色谱-质谱联用技术检测花生中的黄曲霉毒素。
- Furyl) 3 buten 2 one is synthesized from furfural and acetone in water sodium hydroxide medium. 以呋喃醛(糠醛)为原料,在水-氢氧化钠体系中合成了糠叉丙酮,探讨了丙酮用量,氢氧化钠浓度对反应的影
- It has been found that the effects of water, methanol and ethanol are related to their solubility parameters. 结果表明介质气氛对有机玻璃缓慢拉伸行为的影响是与其溶度参数有关。
- Azlocillin was dissolved in water and acetone,then dripped with sodium bicarbonate solution. 本文报道阿洛西林钠盐的制备工艺。
- The technique of film separation makes the separation of the water, methanol and ethanol quite easy. 膜分离技术使有机溶剂中分离水、甲醇和乙醇变得非常容易。