溶於醚的 的英文怎麼說
中文拼音 [róngyúmíde]
溶於醚的
英文
ether soluble-
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。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。Colorless or light pale yellow liquid with the odor of leaves of ilex, soluble in alcohol, ether, slightly soluble in water, easy to change color in the air
本品為無色或淡黃色的油狀液體，有冬綠樹葉的香味，能溶於乙醇乙醚，微溶於水，置空氣中易變色。The dual - bath coagulation method suggested by j. a. va n ' t hof could be used in membranes with high selectivity clearance rate of low - molecular weight substances and moderate water flux theoretically. therefore it may be applied in the field of hemofiltration. to improve and optimize the performance of the pes ultrafiltration membrane applied in the hf, here the flat membranes and hollow fiber ( hf ) membranes are made in certain conditions based on the dual - bath coagulation method where pes is used as the membrane material, dmso as solvent and pvp & peg as additives this paper includes five parts as follow : 1
為了改善和優化聚醚碸超濾膜（單浴法）在血液過濾實際應用中的性能，本論文以j . a . van ' thof等提出的雙凝固浴法為基礎，以聚醚碸（ pes ）為主要成膜材料，以二甲基亞碸為溶劑，並添加一定分子量的致孔劑（ pvp ，聚乙烯吡咯烷酮）以及一定分子量的添加劑（ peg ，聚乙二醇）按照一定配比在一定溫度下製成透明均一的鑄膜液，靜置脫泡后在一定的工藝條件下製成聚醚碸平板膜和中空纖維膜，然後通過測試膜的結構和性能來評估其用於血液過濾中的前景。Soluble in water and many organic solvent, owning good lubricity and thermal stability, almost having no toxicity and excitability, being able to occur esterification reaction and etherification reaction with other compounds
能溶於水和多種有機溶劑，有優越的潤滑性及熱穩定性，幾乎沒有毒性和刺激性，可與其他化合物起酯化、醚化反應。The substitution of pervaporation for traditional separation in organic mixtures is of energy - saving and environment - protecting significance. in this paper, pervaporation of two kinds of organic mixtures is investigated : one is using ca membrane and ca - eva ( ethylene - co - ethylene acetate ) composite membrane for methanol removal from mtbe ( methyl t - butyl ether ), focused on the influence of casting solvent mixtures ; the other is utilizing proper membrane stuff and additive to separate p - xylene from m - xylene
本文對兩類有機有機混合體系進行了滲透汽化膜過程的研究，其一為醋酸纖維素（ ca ）膜及ca -乙烯醋酸乙烯共聚物（ eva ）復合膜用於甲基特丁基醚（ mtbe ）中少量甲醇（ 5 meoh ）的脫除，探討鑄膜混合溶劑及后處理技術對膜分離性能的影響。其二為運用適當的膜材料及添加劑去除間二甲苯（ mx ）中的少量對二甲苯（ 10 px ） 。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； 4To capsicum for raw materials dissolved in ethanol and used petroleum ether, ether from the organic solvent solution extraction and purification wealthy markets prospect of food additives and with extensive medical value of the material - pepper accuracy ; and further research in ethanol concentration, saponification time, temperature under different conditions, such as the purity level of capsaicin
以辣椒精為原料溶於乙醇中，再利用石油醚、乙醚等有機溶劑從溶液中提取和純化富有市場前境的食品添加劑和具有廣泛醫用價值的物質辣椒精；並進一步研究在乙醇濃度、皂化時間、溫度等不同條件下得到的辣椒堿純度高低。Under 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。Physical and chemical characteristic : colorless transparent liquid, especial smell. easy dissolve in alcohol, ether, acetone, etc. not dissolve in water
本品為無色至淡黃色油狀透明液體，具有特殊的氣味。不溶於水，易溶於醇、醚、丙酮等有機溶劑。Because the solubility in water of iodine is 1 3, 000, do not dissolve basically, but the iodine is easy to dissolve in organic solvents, such as alcohol, ether, sulphurating carbon and glycerine two times, etc.
由於碘在水中的溶解度是三千分之一，基本上是不溶的，但是碘在酒精、乙醚、二硫化碳及甘油等有機溶劑中卻好溶解。分享友人