混合醚 的英文怎麼說
中文拼音 [húngěmí]
混合醚
英文
complex ether-
( 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。In this paper, glycidyl ether, which was high epoxide value and low viscosity, was synthesized from 2 - trimethylene glycol, epichlorohydrin and the normal butyl alcohol by phase transfer catalyst based on the orthogonal experiment design
摘要採用1 , 2 -丙二醇、正丁醇和環氧氯丙烷為原料,在相轉移催化劑的作用下反應,通過正交實驗合成了的高環氧值、低粘度的混合醇縮水甘油醚。As to the separation of p - xylene / m - xylene, in order to blend polymer hydrophobe with p - cd which is preferential to adsorb p - xylene, etherified p - cd was synthesized using benzyl chloride ( phch2cl ). the influences of etherification conditions on the reaction conversion and the degree of substitution of etherified p - cd were investigated. the reaction conversion increases with the increasing of molar ratio of phcr ^ cl : p - cd and the concentration of p - cd
對于px mx體系的分離,為使對px具有優先絡合能力的一環糊精( cd )能夠與油溶性高分子共混,本文採用williamson合成法運用氯化芐( phch _ 2cl )使-環糊精( - cd )醚化,並由元素分析結果,計算出醚化產物的取代度和轉化率,系統地考察了反應條件對轉化率和取代度的影響。The thermodynamic free energy on mixing and the spinodal equation in ternary homopolymer blends were obtained by making plausible approximation based on flory ' s equation of state theory. because of the non - linear behavior of the spinodal equation, a numerical solution approach was used and succeeded in solving the problem. spinodal of polystyrene ( ps ) / poly ( vinyl methyl ether ) ( pvme ) / poly ( 2, 6 - dimethyl - 1, 4 - phenylene oxide ) ( ppe ) were simulated over a wide temperature range and the calculated result was coincidence with that of the literature
將上述方法用於已知狀態方程參數的二元均聚共混體系聚苯乙烯( ps ) /聚甲基乙烯基醚( pvme ) ,三元均聚共混體系聚苯乙烯( ps ) /聚甲基乙烯基醚( pvme ) /聚2 , 6 -二甲基1 , 4 -苯撐氧( ppe ) ,得到一系列不同溫度下的spinodal相圖,預測結果與文獻報道吻合,在此基礎上進一步研究了聚合物的分子量對體系相行為的影響。The mixed solvent consists of solvent naphtha, decalin, and petroleum ether in a certain proportion, which was used to synthesize 3 - sulfo p - anisidine by using p - anisidine as raw material
摘要用溶劑汽油、萘烷、石油醚按一定比例復配成混合型溶劑,以對茴香胺為原料,用該溶劑合成了3 -磺酸基對茴香胺,產品中不含致癌物。The first group is polyurethane prepolumer which is made from polyether resin and diisocyanate etc after polymerization ; the second group is made by mixing up cross linker, accelerator, softener, densifier, mold preventive and stuffing etc
甲組分別是以聚醚樹脂和二異氰酸脂等為原料,經聚合反應製成的含端異氰酸脂基的聚氨基甲酸脂預聚物;乙組分別由交聯劑、促進劑、增韌劑、增黏劑、防霉劑和填充劑等混合加工而成。A butylated hydroxyanisole or butylated hydroxytoluene or mixtures thereof within the limits specified in part ii of this schedule may be used in conjunction with propyl gallate or octyl gallate or dodecyl gallate or mixture thereof within the limits specified, provided that the total amount of antioxidant shall not exceed, in the case of anhydrous oils and fats and vitamin oils and concentrates, and partial glycerol esters, 300 parts per million, in the case of butter for manufacturing purposes, 240 parts per million and in the case of essential oils and isolates from the concentrates of essential oils, 1000 parts per million
A不超逾本附表第ii部所指明分量的經丁化作用的羥基茴香醚或經丁化作用的羥基甲苯或其混合物,可與不超逾指明分量的丙基?酸鹽或辛基?酸鹽或十二烷基?酸鹽或其混合物同時使用,但添加於無水食油及脂肪維他命油及其濃縮物及部分丙三醇酯的抗氧化劑總分量,不得超逾百萬分之300 ,添加於作製造用途的牛油的抗氧化劑總分量,不得超逾百萬分之240 ,而添加於香精油及香精油濃縮物的分離物的抗氧化劑總分量,則不得超逾百萬分之1000 。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 ) 。Study on the microemulsion with heayy alkylbenzene sulfonate alcohol ethoxylate mixed surfactants
醇醚非離子混合表面活性劑體系微乳液研究In the full load range, the engine exhaust contains no smoke and the nox exhaust obviously decreases and the engine noise also decreases. the different fuel blends consisting of predorminant dme and some diesel can conqer or in large part improve the wear and leakage of plunger
二甲醚和柴油混合燃料除了有較好的動力性、經濟性和排放指標外,由於粘度增加可以克服或在很大程度上改太原理工大學碩士學位論文善油泵、油嘴的磨損、泄漏問題,具有使用價值。Nickel - determination of aluminium content - chromazurol s - p - octyl plyethylene glycol phenyl ether - tetradecyl phridinium bromine mixed micellar solubilization spectrophotometric method
鎳化學分析方法鉻天青s -聚乙二醇基苯基醚-溴代十四烷基吡啶混合膠束增溶測定鋁量B preparations containing more than 100000 i. u. s vitamin a per gram are allowed to have in them or on them only 10 parts per million for each 1000 i. u. s vitamin a per gram of butylated hydroxyanisole b. h. a
每克含超逾100000個國際單位維他命a的配製品,其中每1000個國際單位維他命a只可含百萬分之10的經丁化作用的羥基茴香醚或經丁化作用的羥基甲苯或其任何混合物。Identification and characterization of brevunmdimonas sp. strain w - 1 for degradation of ddt
利用自行富集馴化培養的混合微生物對甲基叔丁基醚Dodecyl glycidyl ether is a good reactive diluent with low toxicity and no irritation. the studies were concentrated on the synthesis and the factors effecting the quality of the diluent
摘要對稀釋劑十二烷基縮水甘油醚的合成及影響產品質量的因素進行了研究,並以十二、十四混醇為原料進行了對比試驗。Light liquid paraffin is a colorless, transparent and oliy liquid and free form fluored cence. it is odorless and tasteless, and it can disslve in chloroform, ether or volatile oil, not in water or alchol. most fatty oils can be mixed with it except castor oil
本產品為無色透明之油狀液體,無嗅,無味,無熒光能在氯仿、乙醚或揮發油中溶解,除蓖麻油外,與多數脂肪油均能任意混合,在水或乙醇中均不溶。2 the load characteristics tests and exhaust emissions measurements of the engine are done at the original fuel delivery advanced angle and modified fuel delivery advanced angles when run on pure dme and different fuel blends consisting of predominant dme and some diesel fuel in the diesel engine stage experiments
2在柴油機臺架實驗中,進行了燃燒純二甲醚以及不同比例的二甲醚和柴油的二元混合燃料模式的燃燒實驗,完成了在原機供油提前角、改造后的供油提前角下的負荷特性實驗和排放指標的測定。3 the performances and emissions characteristics for both dimethyl ether ( dme ) and diesel fueled direct injection diesel engine are investigated deeply and completely. the experimental results show that in the power and torque of dimethyl ether fueled zs195 diesel engine is better than the archetypal one
3系統、深入地研究了柴油機燃用純二甲醚以及不同比例的二甲醚和柴油二元混合燃料的動力性和排放性,結果表明:柴油機燃用二甲醚在中、低速區,其功率和扭矩略優于原柴油機。In this control system, some small modifications on low - pressure oil way are made by adding a dme blending device. under the system, the diesel engine can shift fast between pure diesel oil and diesel oil blended with dme conveniently. moreover, the control and adjustment of blending ratio of dme in some range can be achieved in this system
該系統只需對yc6108q型柴油機的低壓油路加以改裝,在其中加上二甲醚的摻燒裝置,可以方便快速地在燃用純柴油和柴油-二甲醚混合燃料之間進行轉換,而且系統採用電控技術實現了二甲醚摻燒比例在一定范圍內的控制和調節。Influences of hydrogen sulfide, element sulfide, mercaptan, sulphuring ether, disulfide individually on silver strip corrosion of jet fuel, and of element sulphur coexisting with other sulfide on silver strip corrosion of jet fuel were studied
考察了硫化氫、元素硫、硫醇、硫醚、多硫化物等單獨存在時對噴氣燃料銀片腐蝕的影響;同時研究了元素硫與其它硫化物以不同濃度混合時對噴氣燃料銀片腐蝕的影響。The mixing tank is designed which function is to blend diesel and dme rapidly and richly so as to ensure the uniformity of mixing fuels. the ecu is devised which role is to determine the flux performance of the solenoid valve and the emission performance of engine and to ascertain and control dme / diesel ratio
混合油箱的作用是使柴油和二甲醚能迅速充分混合,保證燃料混合的均勻性;電控系統的作用是通過測定電磁閥流量特性、柴油機排放特性來確定和控制dme摻燒比例。分享友人