蒸餾性質 的英文怎麼說
中文拼音 [zhēngliùxìngzhí]
蒸餾性質
英文
distillation property- 蒸 : Ⅰ動詞1. (蒸發) evaporate2. (利用水蒸氣的熱力使食物熟或熱) steam Ⅱ名詞[中醫] (將藥物隔水蒸熟) steaming
- 餾 : 餾動詞(蒸熱熟食) heat up; reheat
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
- 蒸餾 : [化學] [物理學] distillation; distill
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The major achievements are : 1 the extraction of the burning oil of biomass from wood tar by distillation without any other goods of chemistry, in this case no effect to the physical properties of the burning oil of biomass
本課題的主要研究成果如下: 1採用直接蒸餾方法從木焦油中提取其可燃成分(簡稱生物質燃油) ,不加入其他任何化學物品,這樣不會影響生物質燃油的物理性能。The application experiment of aroma - producing active dry yeast in vinegar production demonstrated that the sensory quality, total acids content and total esters content of experimental samples were better or higher than that of contrast samples ; the flavoring compositions quantity, content and species in experimental samples were higher or more than that in contrast samples ( especially ethyl acetate content and ethyl lactate content increased by 0. 99 % and 1. 22 % respectively ) ; the use of dry yeast could increase flavoring compositions content in vinegar, better vinegar aroma, and improve vinegar quality ; and the optimum use level of dry yeast was 0. 2 % ( for main grains )
摘要生香活性乾酵母的食醋生產應用試驗表明,試驗樣的感官質量及其總酸、總酯含量均比對照樣有所提高;試驗樣(蒸餾液)香氣成分的數量、含量和種類均比對照樣(蒸餾液)多,尤其乙酸乙酯、乳酸乙酯的含量分別提高0 . 99 %和1 . 22 % ;應用生香活性乾酵母可提高食醋中香氣成分的含量,改善了食醋香氣,提高了食醋質量;生香活性乾酵母的適宜用量為0 . 2 % (對主糧) 。Then, analytical work was carried out as follows : the ultimate analysis and physi - chemical analysis of the pyrolytic oil comprised a sketch of the fuel properties of the oil ; then, through the distillation analysis of the oil, the fraction composition of the " unrefined " oil was known. after that, a general knowledge of the aromaticity and saturation of the hydrocarbons in the oil was provided by the outcome of the ft - ir functional group analysis. also, from the analysis, the form of the polar functional groups and their distribution in different fractions of the oil were learned
文中首先對不同熱解溫度下熱解油產率進行分析討論,然後,針對熱解油品質進行了一系列分析:通過元素組成和理化特性的分析,對熱解油作為燃料特性有了一個大致了解;通過實沸點蒸餾分析,得到熱解油作為一種未提煉油的餾分分佈,並為后續熱解油餾分的細入分析提供了前提;通過對熱解全油和各窄餾分的ft - ir官能團分析,對熱解油的芳香性、不飽和性有了整體的了解,並且清楚了熱解油中的極性官能團存在型式及其在熱解油不同餾分中的分佈。The reduced crude may then be processed by vacuum or steam distillation to separate the high - boiling lubricating oil fractions without the danger of decomposition, which occurs at high ( > 350, 660 ? ) temperatures
由此,我們有可能獲得石油產品,這些產品包括從蒸餾塔頂部得到的氣態物質,包括比重較大的渣油或稱「殘渣」 (一般而言揮發性較差) ,以及從蒸餾塔中部得到的比重較小的其他相應物質。Theory calculation and derivation demonstrate that the heat conduction of membrane exerts little influence on performance. the characteristics of mass transfer through membrane are mixed flow including knudsen flow and poiseuille flow, which moreover, vary with operational variables
理論推導與計算表明:膜的導熱性對真空膜蒸餾過程的影響可以忽略,膜蒸餾過程膜內質量傳輸機制是努森流與粘性流共同作用的混合流機制。Functions and directions : pure rose floral syrup is aqueous solution distilled from fresh rose follower, and rich in rose essence oil and multiple water soluble effective components contained in rose such as protein, tannic acid, and cyclic peptide, which is able to revive aging and dry skin, promote blood circulation of skin
功效及使用方法:玫瑰花純露是玫瑰鮮花蒸餾出的水溶液,含有豐富的玫瑰精油及玫瑰花中的蛋白質、鞣質、環肽等多種水溶性的有效成分,能激活老化、乾燥肌膚,促進皮膚血液循環。Based on the distribution of the unknown compounds " x " ( between ts and tm ) in oils and rocks, in combination with the theory of gas - washing evaporative fractionation, the formation of the light oils in kela 2 - 3 dry gas reservoir is explained
根據萜烷中未知「 x 」化合物在原油中分佈的普遍性和在烴源巖中的分佈特徵,結合氣洗蒸發分餾作用的原理,解釋了克拉2 - 3號干氣藏中少量輕質油的成因。Thus it is possible to obtain products ranging from gaseous materials taken off the top of the distillation column to a heavy residue or “ bottom ”, which is usually nonvolatile, with correspondingly lighter materials taken off at intermediate points
由此,我們有可能獲得石油產品,這些產品包括從蒸餾塔頂部得到的氣態物質,包括比重較大的渣油或稱「殘渣」 (一般而言揮發性較差) ,以及從蒸餾塔中部得到的比重較小的其他相應物質。Furthermore, the effect of different immersing mediums including fresh water, distilled water and seawater on the moisture absorption and removing of weapon composites underwater is discussed as well as the moisture absorption mechanism
文中還研究了不同浸泡介質(淡水、蒸餾水和人工海水)對水中兵器用復合材料的吸濕性能和去濕性能的影響,探討了吸濕機理。The volatile organic compounds were extracted from chestnut kernel coating by ether, and determined by gas chromatography - mass spectrometry. there are 29 components, seventeen of which were identified
摘要板栗仁衣經水蒸汽蒸餾,乙醚萃取揮發性成分,通過氣相色譜與質譜聯用法測定,發現板栗的仁衣中含29個組分,確定了其中17個組分的結構。The main factors influencing the accuracy of the determination of permanganate index, include acidity of sample, water distilled water quality, potassium permanganate concentration, water bath temperature and titration time
摘要影響高錳酸鹽指數測定準確性的主要因素有樣品酸度、蒸餾水水質、高錳酸鉀溶液濃度、水浴加熱溫度和滴定時間。Wfi in bulk is obtained from water that complies with the regulation on water intended for human consumption laid down by the competent authority, or from purified water, by distillation in an apparatus of which the parts in contact with the water are of neutral glass, quartz or suitable metal and which is fitted with an effective device to prevent the entrainment of droplets
注射用水通過符合官方標準的飲用水制備,或者通過純化水蒸餾制備,蒸餾設備接觸水的材質是中性玻璃、石英或合適的金屬,裝有有效預防液滴夾帶的設備。On the basis of above theoretical derivation and analysis on experimental results, by correlating solvent ( water ) transfer with solute ( salt ) transfer on hot side and correlating mass transfer with heat transfer during vmd and introducing a contribution coefficient which can reflect the characteristics of mass transfer through membrane, a new model of mixed flow is presented
在上述理論推導及實驗分析的基礎上,本文將熱側溶劑傳輸與溶質傳輸、膜蒸餾過程熱量傳輸與質量傳輸相關聯,並引入一個能夠反映膜內質量傳輸特徵的「貢獻系數」 ,將努森流模型與粘性流模型結合起來,從而提出了新的混合流模型。The formation mechanism of mash scale is the following : slightly soluble or soluble substances in hypersaturated state separate out during distillation, soluble calcium salt converts into calcium carbonate scale or soluble calcium salt resolves into indissoluble calcium carbonate scale by heating
摘要醪垢的形成因素有:微溶或可溶物質在蒸餾過程中處于過飽和狀態而析出;可溶性鈣鹽轉化成碳酸鈣垢;可溶性鈣鹽受熱分解生成難溶碳酸鈣垢;前處理的制槳工藝。After the acet is vaporized, the active substance in water is gotten. and which is vaporized at low temperature. then the crude active substance is purified by column chromatography on sephadex g - 75. after a series of purifications again, we could get some white powder at last. though the active substance is diluted to50 g / ml, the activity is still checkeded - up through phyto phtnora casicileon. the purified active substance is insensitive to heat, resistant to chloroform 、 ethanol and the orhers. in addition, the active substance is sensitive to high ph ( 10 ~ 14 ), but it is not sensitive to low ph ( 1 ~ 5 ). furthermre, when the ph is made to low again, the activity of it ' s comes back
用蒸餾水對菌體稀釋;加入適量吸附樹脂在150rpm 、 28下振蕩吸附4h , 80 %的丙酮解吸,過濾解吸液得到活性物質的澄清溶液,旋轉蒸發儀旋轉蒸發去處丙酮,經sephadexg - 75分子篩層析得單一活性峰,收集峰值部分樣品液經冷凍乾燥得到淡褐色粉末,該活性物質用丙酮充分洗滌、甲醇-乙醚重結晶獲得略帶微黃的白色粉末,該活性物質50 g / ml仍可對蘇雲金芽孢桿菌hd - 1產生明顯的抑制作用。Compaction of microporous membrane and its influence on the mass flux of membrane distillation
微孔膜的可壓縮性及參數變化對膜蒸餾跨膜傳質速率的影響In this paper, an experimental investigation of the removal of volatile organic compounds ( voc ) from dilute aqueous solutions was presented by vacuum membrane distillation ( vmd ). experiments were carried out using aqueous mixtures of ethanol with hollow fiber module. the influences of operating variables such as feed concentration, flow rate, temperature and downstream pressure on the flux and separation factor were investigated
本文對膜蒸餾脫除水溶液中的揮發性有機化合物( voc )進行了試驗研究;文中以乙醇水溶液為研究對象,採用真空膜蒸餾法,膜材料為中空纖維膜,研究膜通量及分離因子與原料液的溫度、濃度、流速,冷側壓力的關系,並對真空膜蒸餾的傳熱傳質機理進行了初步探討。1. connection to crude assay. jt can provide data of crude ' s property for atmospheric and vacuum distillation simulation or directly by cut module
與原油評價庫的連接,為常減壓蒸餾模擬或直接通過切割模塊提供原油性質數據。The condensation heat - exchange characteristic of a separate - type heat - pipe was studied on a 1 : 1 model. the heat pipe is heated by electricity, and working fluid is distilled water, and it is cooled by air. the experimental results show that, ( 1 ) when charging liquid ratio is 45 %, condensation heat - exchange coefficient reaches to maxium ; ( 2 ) when there is not non - condensing gas, the coeffcient decreases a little with the increase of vapour pressure, and it decreases by 9. 5 % when the pressure increases from 0. 16mpa to 0. 36mpa ; ( 3 ) when there is non - condensing gas, the coefficient decreases a little, but when the gas is discharged by an exhaust value, it can be improved, when the volume content of the gas is 2. 5 %, it can increased by 22 % ; ( 4 ) the effect of the non - condensing gas on the coefficient decreases with the increase of the pressure, and when the volume content of the gas is 5 % and the pressure increases from 0. 16mpa to 0. 36mpa, the coefficient increases by 6 %. the relative curves are given between condensation heat - exchange coefficient and air flowrate, charging liquid ratio and vapour pressure
建立了空氣冷卻實驗臺,熱管的加熱方式為電加熱,工質為蒸餾水.在1 1模型上對分離式熱管管內凝結換熱特性、不凝性氣體對凝結換熱的影響及不凝性氣體的擴散規律進行了試驗,得出分離式熱管有一最佳充液率,其值為45 %左右;凝結換熱系數隨著蒸汽壓力的增加略有降低,在實驗的壓力范圍內,降低了9 . 5 % ;不凝性氣體對分離式熱管的凝結換熱僅影響冷凝段下部較小部分,通過排氣閥排出不凝性氣體可有效地改善冷凝段下部的凝結換熱;隨著壓力的增加,不凝性氣體對分離式熱管冷凝段的影響減少.這些結論可用於分離式熱管換熱器的工程設計和控制Abstract : the condensation heat - exchange characteristic of a separate - type heat - pipe was studied on a 1 : 1 model. the heat pipe is heated by electricity, and working fluid is distilled water, and it is cooled by air. the experimental results show that, ( 1 ) when charging liquid ratio is 45 %, condensation heat - exchange coefficient reaches to maxium ; ( 2 ) when there is not non - condensing gas, the coeffcient decreases a little with the increase of vapour pressure, and it decreases by 9. 5 % when the pressure increases from 0. 16mpa to 0. 36mpa ; ( 3 ) when there is non - condensing gas, the coefficient decreases a little, but when the gas is discharged by an exhaust value, it can be improved, when the volume content of the gas is 2. 5 %, it can increased by 22 % ; ( 4 ) the effect of the non - condensing gas on the coefficient decreases with the increase of the pressure, and when the volume content of the gas is 5 % and the pressure increases from 0. 16mpa to 0. 36mpa, the coefficient increases by 6 %. the relative curves are given between condensation heat - exchange coefficient and air flowrate, charging liquid ratio and vapour pressure
文摘:建立了空氣冷卻實驗臺,熱管的加熱方式為電加熱,工質為蒸餾水.在1 1模型上對分離式熱管管內凝結換熱特性、不凝性氣體對凝結換熱的影響及不凝性氣體的擴散規律進行了試驗,得出分離式熱管有一最佳充液率,其值為45 %左右;凝結換熱系數隨著蒸汽壓力的增加略有降低,在實驗的壓力范圍內,降低了9 . 5 % ;不凝性氣體對分離式熱管的凝結換熱僅影響冷凝段下部較小部分,通過排氣閥排出不凝性氣體可有效地改善冷凝段下部的凝結換熱;隨著壓力的增加,不凝性氣體對分離式熱管冷凝段的影響減少.這些結論可用於分離式熱管換熱器的工程設計和控制分享友人