油酸乙酯 的英文怎麼說
中文拼音 [yóusuānyǐzhǐ]
油酸乙酯
英文
aethylis oleas-
United kingdom manufacturer of organic intermediates. specialties include amination, bromination, cyanation, epichlorohydrin, friedel - crafts and thionyl chloride chemicals
-生產醋酸乙酯和醋酸丁酯等有機溶劑,產品用於醫藥香料染料塗料油墨等。The results were as follows : leaching solution by hot water extraction was date in color and had mellow date aroma and the highest fusel oil content but strong bitter taste ; leaching solution by pectinase enzymolysis had the highest reducing sugar content easy for fermentation but excessively high methanol content in fermenting wine ; leaching solution by microwave extraction had the shortest extraction time and fermentation time and the highest ethyl acetate content in wine and the produced wine had special aroma
結果表明, 90熱水浸提,浸提液發酵酒顏色呈棗紅色,雜油醇含量最高,有濃郁棗香,但苦味重;果膠酶酶解浸提,浸提液還原糖含量最高,利於發酵,但發酵酒的甲醇含量過高;微波強化浸提,浸提時間和發酵時間最短,所得棗酒的乙酸乙酯含量最高,且有特殊香味。Synthesis of glycerin triacetate catalyzed by ammonium ferric sulfate dodecahydrate
十二水合硫酸鐵銨催化合成甘油三乙酸酯The technical difficulties in low - alcohol liquor production mainly cover the following aspects : the bleeding of ethyl palmitate, ethyl oleate and ethyl linoleate etc. after alcohol - degrading might produce the lost of gloss, turbidity and precipitate ; the suspended substances produced in distillation and packing, the production water, and the metal ions contained in production containers are the main reasons for the precipitate in liquor ; besides, the hydrolization reaction and esterification reaction of liquor body during shelf period would also produce the lost of gloss, turbidity and precipitate
低度白酒生產過程的技術難點主要是白酒降度產生失光、渾濁、沉澱,其主要原因是由於降度后棕櫚酸乙酯、油酸乙酯和亞油酸乙酯等析出;蒸餾、包裝等過程帶入的懸浮物,生產用水、生產容器所含金屬離子等為低度白酒產生沉澱的主要原因;還有低度白酒酒體在貨架期的水解、酯化反應也會引起低度白酒產生失光、渾濁和沉澱。Conjugated linoleic acid ethyl ester
共軛亞油酸乙酯According to the polarity, the residue was isolated with petroleum ether, chloroform, ethyl acetate, and n - buoh, respectively. the n - buoh fraction, confirmed as neuroactive component, was subjected to sephadex lh - 20 column chromatography to provide an extract fraction, as a buff powder, which could induce neurite outgrowth in rat pheochromocytoma pc12 cells in a dose - dependent manner up to 50 mg / l
將菟絲子乾粉用75乙醇浸泡后,減壓蒸干后得到褐色漿狀物,經石油醚、氯仿、乙酸乙酯、正丁醇萃取,經柱層析后,再用葡聚糖凝膠對有效成份進一步純化,獲得了菟絲子中能誘導pc12細胞分化的活性組分。We got 4 parts from the extraction of astragalus variabilis bunge through systemic research ways of phytochemistry, which respectively are the part of petroleum ether, the part of petroleum ether, the part of etoa and the part of n - buoh the part of n - buoh are isolated by the successively methods of silica - gel column chromatography, tlc and sublimation
摘要採用植物化學成分系統研究的方法,從變異黃芪醇提總浸膏中分段萃取得到石油醚提取部分、氯仿提取部分、乙酸乙酯提取部分和正丁醇提取部分。Pour point of panjin crude oil and residual oil were depressed 13 and 9, viscosity of them were depressed 80. 6 % ( 15 ) and 92 %
該共聚物即富馬酸酯醋酸乙烯酯對盤錦原油可降凝13 ,降粘80 . 6 % ( 15 ) ;對盤錦渣油可降凝9 ,降粘92 % 。Results of experiments on antibacterial and antifungal activities showed that extracts of alcohol and acetic ester had remarkable bacteriostasis effects against 6 bacteria ; aqueous extract was more effective against fungi, and slight against bacteria ; petroleum ether extract had no effect against bacteria and fungi ; butylalcohol extract had different effects against bacteria, but had no effects against fungi
抑制活性試驗結果顯示:乙醇提取物和乙酸乙酯萃取物對供試的6種細菌有較強的抑制作用;水相對供試的5種真菌有較強的抑制作用,而且對細菌有較小抑制作用;石油醚相對真菌和細菌幾乎無抑制作用;正丁醇萃取物對細菌有不同程度的抑制作用,而對真菌無抑制作用。Abstract : renews in this paper of the surfactant oil based for surface activies agent of anionic ( alcohol sulfate, sulfonata, acetyl cyanamid, and oleie methyl ester sulfonat etc. ) surface a ctivies agent of nonionic ( apg, alcohol polyxyethnyl ether, alkyl polyoxyethnyl alnyl hydroxyl ether etc. ), for technique improvement and develcpment trends
文摘:綜述了油基表面活性劑中陰離子表面活性劑(醇硫酸鹽, -磺酸鹽、酰基氰胺、油酸甲酯磺酸鹽等) ,非離子表面活性劑( apg 、脂肪醇聚氧乙烯烷基醚、烷基聚氧乙烯烷基羥基醚等)的技術進展及今後發展趨勢。In order to study the influence factors of aoa of rose flowers, the effects of drying and extraction methods on the aoa of rose flowers were investigated. the results indicated that drying after high - temperature short - time pretreatment was rather effective to maintain their aoa ; the aoa of water extracts was stronger when the temperature was raised from 25 to 100 ; by using orthogonal test, the optimum extraction conditions of rose flowers were : solvent - 75 % ethanol ; ratio of material and solven - 1 : 10 ; extraction times - three times with 24 h at one time, at the room temperature. the extracts obtained by 75 % ethanol were fractionatedly extracted with petroleum, diethyl ether, ethyl acetate and n - butanol in turn, and the various fractions " aoa were analyzed
為了探討玫瑰花抗氧化活性的影響因子,比較了不同乾燥方法、提取方法對其抗氧化活性的影響,發現:經短時高溫處理后再進行乾燥有利於較好地保持玫瑰花的抗氧化活性;以水作溶劑提取時, 25 100范圍內水提液的抗氧化活性隨著溫度的升高而增強;通過正交實驗篩選得到常溫下玫瑰花抗氧化活性物質的最佳提取方法為: 75乙醇為溶劑,液料比1 : 10 ,提取3次,每次24h ; 75乙醇提取物依次用石油醚、乙醚、乙酸乙酯、正丁醇等有機溶劑進行兩相分部萃取,發現玫瑰花的抗氧化活性物質主要存在於乙酸乙酯部,說明玫瑰花抗氧化活性主要成分可能是單寧類、黃酮苷類和原花色素類化合物; 4Under that condition the strain can produce the most concentration of the bioactive compounds. the physical and chemical properties of the actibacterial compounds have been studied, the results showed the bioactive substance has heat stable, acidity and weakly alkali stable. it can be dissolved in acid water, chloroform solvent, can not be dissolved in ethyl acetate, petroleum ether, alkali water. the result of thinlayer chromatography showed the bioactive compounds can give off blue and green fluorescence in the uv light. the paper chromatography demonstrate the bioactive substance may be a new construct compounds
研究表明,該活性物質具有較強的熱穩定性, ph 9的條件下能穩定存在,但ph 12的強堿性條件下活性物質的抗菌活性幾近喪失;活性物質易溶於氯仿、酸性水、不溶於乙酸乙酯、石油醚、堿性水;薄層層析顯示活性物質在紫外光下能發藍綠色熒光等特點;由捷克八溶劑系統紙層析鑒定該抗菌活性物質不屬於四大類抗生素,可能為一新的抗菌活性物質。Varnished fabrics for electrical purposes - specifications for individual materials - glass fabric based varnished fabrics with epoxy, polyurethane, silicone, polyester, bituminous or oleoresinous varnish
電工用浸漆織物.第3部分:各型材料規范.第2節:用環氧樹脂聚氨基甲酸乙酯有機硅樹脂聚酯瀝青或油性樹脂清漆浸漬的玻璃纖維基織物Varnished fabrics for electrical purposes. part 3 : specifications for individual materials. sheet 2 : glass - fibre based varnished fabrics with epoxy, polyurethane, silicone, polyester, bituminous or oleoresinous varnish
電工用浸漆織物.第3部分:單項材料規范.第2活頁:用環氧樹脂聚氨基甲酸乙酯有機硅樹脂聚酯瀝青或油性樹脂清漆浸漬的玻璃纖維基織物Results : the ftir spectrums of the different extracted parts of chrysanthemum had their obvious ir characters
結果:不同提取部位(揮發油部位、乙酸乙酯部位、水部位)藥用菊花紅外譜圖的特徵明顯。Tests were carried out to examine the substrate characteristics of the esterase and the results showed that the esterase could hydrolyze not only lactic acetate, triacetin, and so on, with low molecular weight, but also the esters with high molecular weight
酯酶的底物特異性試驗的結果看出,該酯酶不但能分解乳酸乙酯、三乙酸甘油酯等低分子量的酯,也能水解多碳鏈酯,所以含有脂肪酶的性質。Linoleic acid ethylester
亞油酸乙酯The product is stable for at least 3 years if drum has not been opened, if drums have been opened for sampling for use, the headspace must be flushed with nitrogen prior to restoring
共軛亞油酸乙酯在包裝桶密封未開啟情況下可以保存三年。如果開啟包裝取樣,必須再次充氮進行貯存。The group ' s dg chemical working area, tou branch company has 7 chemical storage tanks with a total volume of 9900 cbm ( 2x2000 cbm, 1x1500 cbm, 2x1200 cbm, 2x100 cbm ). it was open in 1998 and honored with a level opening port in the year 2004. it has loading and discharging dg chemistries such as sulfur, phenol, petrol, diesed and other dg cargos
集團危險化學品作業區?頭分公司擁有化工品儲罐7座,總容積達9900立方米(其中2000立方米儲罐2個; 1500立方米儲罐2個) ,與1998年對外開放, 2004年被授予國家a類開放口岸,可裝卸硫磺、苯酚、甲苯、醋酸乙酯、乙酸乙烯酯、環乙酮、甲醛、乙二醇、甲醇、丙醇、汽油、柴油、溶劑油等十多種危險化學品。After the technology of saponification, esterification and purification of five - step molecule distillation, the refine fish oil of high - quality was made into fatty acid ethyl fish oil with different yellowish. then made into hongyangshen dha capsule
鴻洋神青少年型魚油膠囊是採用精練魚油經皂化、酯化后,和五級分子蒸餾提純,製成有效成分含量不同淡黃色脂肪酸乙酯型魚油。分享友人