醚 的英文怎麼說
中文拼音 [mí]
醚
英文
名詞[化學] (有機化合物的一類) ether-
Using refined cotton, chloroacetic acid, sodium hydroxide and hydrogen peroxide as main feedstock, sodium carboxymethyl cellulose was made by the process of basification, etherification, abstersion and drying
摘要以精製棉、氯乙酸、氫氧化鈉和過氧化氫為原料,經過堿化、醚化、洗滌、乾燥,制得羧甲基纖維素鈉。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。Polyether polyols - determination of acid number
聚醚多元醇中酸值測定方法The anti - microbial activities of crude ethanol extract from aerial parts of sophora alopecuroides and its petroleum ether, chloroform, n - butanol and water fractions of sophora alopecuroides to pythium aphanidermatum, fusarium oxysporum f. sp. cucumerinum, fusarium oxysporum f. sp. lycopersici, alternaria solani, pseudomonas pachrymans and xanthomonas vesicatoria were tested by mycelial radial growth test and agar - well diffusion
本實驗採用帶毒平板菌絲生長法和瓊脂打孔藥劑擴散法測定了苦豆子地上部分乙醇粗提物及其石油醚、氯仿、正丁醇和水層的不同極性溶劑萃取物對瓜果腐霉、黃瓜枯萎病菌、番茄枯萎病菌、番茄早疫病菌、黃瓜角斑病菌和番茄瘡痂病菌的抗菌活性。Dissolved in most organic solvent, such as aether, benzene, petroleum ether, and so on
可溶解在絕大多數有機溶劑中,如正庚烷苯石油醚等。Specility : lt is white or near ly white unshaped power. lt has no odour, little sweet. lt can be dissolved in boiled waterand indissolved in ethano or aether
特徵:白色或類白色的無定型粉末;無臭、味微天甜,在沸水中易溶解,在乙醇或乙醚中不容。It is white crystal powder, odorless and slightly bitter ; hardly soluble in ethanol, chloroform, aether and benzene and soluble in solutions whose ph value is less or more than 7
本品在水中易溶,在乙醇、丙酮、氯仿或乙醚中幾乎不溶。本品為兩性化合物,能溶於酸性溶液或堿性溶液。Properties : white light powder, insoluble in water but soluble in ethanol and aether. absorbs moisture from the air. decompounds into stearate and calcium when meeting strong acid
物理性能:硬脂酸鈣,為白色輕質粉末,不溶於水,溶於熱的乙醇和乙醚,在空氣中吸收水分,遇強酸分解成硬脂酸和相應的鈣鹽。( 2 ) in ( no3 ) 3 was dissolved in acetylacetone in the mol ratio of l : 3. they were mixed for about 3 hours to obtain acetylacetone salts. then glycol methyl aether was added in the ratio of 1 : 40 to obtain indium oxide sol. sncl4 was dissolved in glycol methyl aether and then added into the indium oxide sol to prepare transparent and stable ito sol
( 2 )通過將銦的無機鹽硝酸銦與乙酰丙酮按摩爾比1 : 3 ,混合攪拌3h左右得到銦的乙酰丙酮鹽,然後按一定摩爾比加入乙二醇獨甲醚溶液,混合攪拌制得氧化銦溶膠,再將一定量的sncl _ 4溶入乙二醇獨甲醚,摻入氧化銦溶膠制得透明穩定的摻錫氧化銦溶膠( ito溶膠) ,該溶膠性能穩定,易於成膜。Hydrochloric acid afghanistan ; argentina ; bangladesh ; bolivia
丙酮;乙醚;鹽酸Synthesis and characteristic of unsaturated alicyclic nitrogen heterocyclic crownethers
不飽和脂環氮雜冠醚的合成和結構表徵4. aliphatic alcohol polyoxyethylene ether ammonium sulfate aesa70
4脂肪醇聚氧乙烯醚硫酸銨aesa70Dissolve 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。It was proposed that the catalytic amination of metyl t - butyl ether by solid acid was a promising " green " process
指出固體酸催化甲基叔丁基醚的氨化是值得開發的綠色化工技術。Study on synthesis of tert - amyl methyl ether in tubular reactor
管式反應器中合成甲基叔戊基醚動力學研究Thermodynamic analysis of synthesis reaction of tert - amyl methyl ether
甲基叔戊基醚合成反應的熱力學分析Test method for extractable matter by ether from angora rabbit hair
兔毛乙醚萃取物試驗方法Food additive - tertiary butyl - 4 - hydroxyl anisole
食品添加劑叔丁基- 4 -羥基茴香醚Study on the synthesis technology of 2 - amino - 4 - actylamino anisole
乙酰胺基苯甲醚的合成研究Synthesis of 2 - fluoro - 4 - iodo - anisole
苯甲醚的合成研究分享友人