重餾分 的英文怎麼說
中文拼音 [zhòngliùfēn]
重餾分
英文
end cuts-
Through the analysis of contest experimental test questions from 1995 to 2003, it is found that metage, synthesis, standardization and determination are the characteristics of these years " experimental test questions. chemistry experiment is based on the elementary knowledge, especially checking the usage of suction pipet and buret. the core of questions lies on the basic operation of metage, dissolution, suction, refluxing, filter, wash and titration
通過對1996 - 2003年化學競賽決賽實驗題進行分析得出： 「稱量?合成?標定?測定」是近幾年實驗試題的特點；化學實驗重在基礎，特別是考察移液管和滴定管的使用；基本操作如稱量、溶解、移液、回餾、抽濾、洗滌、滴定等是實驗考查的重點。Ball mill, classifier, gravity separator, hammer mill, heavy metal recovery equipment, magnetic separator, solvent distiller
球磨機、分類機、沉澱分離機、錘磨機、重金屬回收設備、磁性分離機、溶劑蒸餾機We can get the unqualified light hydrocarbon back to fractional tower to resume fractionating which greatly insures the quality, we combine the science and technology tackle project from da qing natural gas company - the research on microcomputer detection and control system in light hydrocarbon blending crude oil, analyze the machining technology of production device in gas disposing station, study the physical and chemical character of impurity blending in the light hydrocarbon and establish the detection scheme finally
並讓不合格的產品重新回到分餾塔中進行重新分餾加工，以確保產品質量。本文結合大慶天然氣公司的科技攻關項目? ?輕烴含原油微機測控系統研製，對一分公司油氣處理站的輕烴生產設備進行了生產工藝流程分析，同時也對輕烴和混入的原油雜質進行物理和化學性質的分析，確立了監控設計方案。Distillation : thoroughgoing and separated 100 % free of the injurious heavy metal and chemical toxicant of the water to distill most pure water for the health and relieved in always
採用蒸餾法：將水中所有有害重金屬及化學毒物100 %徹底分離，製造出最晶純的水，使您喝出健康，喝的安心。Indeed, atmospheric distillation may be terminated with a lower boiling fraction ( “ cut ” ) if it is thought that vacuum or steam distillation will yield a better quality product or if the process appears to be economically more favorable
但是，經過蒸餾處理的大多數原油，包括比重較大、粘度更大的原油，一般都分離為較輕組分（氣、汽油、粗汽油、煤油和粗柴油）和殘渣，或者更多稱作常壓重油。By using catalyst a, the catalytic splitting decomposition of waste rubber tyre was developed. the splitting gas, gasoline, diesel oil, heavy oil and carbon black were obtained by this process. by inspecting, the qualities of the products all accorded with the using demands
一種先進的廢舊橡膠輪胎催化裂解處理技術被開發，通過反應器的廢橡膠輪胎顆粒被催化裂解為裂化氣、汽油餾分、柴油餾分和重油餾分，殘余的固體可加工為炭黑，各種產品經檢測，其理化指標及使用性能均達到用戶要求。Method for aromatic types analysis of gas - oils aromatic fractios by mass spectrometry
重餾份石油芳香烴族組成質譜分析方法Method for hydrocarbon types analysis of gas - oil saturates fraction by mass spectrometry
重餾份石油飽和烴族組成質譜分析方法The heavier boiling fractions remain, in liquid form on the manifold wall.
較重的沸騰著的餾分以液態停留在多孔的壁上。After hydrotreating heavy feedstock, sulfur compounds, nitrogen compounds and metals contaminants can be removed and good rfcc feedstock can be obtained simultaneously a small amount diesel and naphtha are produced by creaking heavy oil
對重質原料進行加氫處理后，可以脫除其中的含硫、含氮化合物及金屬雜質，為重油催化裂化裝置提供優質的原料，同時可將重質油裂化生產少量的柴油和石腦油餾分。The metals have not been found in the narrow fractions of two feeds, which illustrates that sfef effectively traps the metals in the unextractable endcuts
窄餾分中的金屬含量沒有被檢出，表明超臨界流體萃取分餾將重金屬濃縮于萃取殘余物中。The development of mass transfer in the system of vapor - liquid - liquid three - phase distillation from trays was introduced, the effects of the hydrodynamic conditions e. g. vapor velocity and ratio of liquid to vapor loading and physical properties of liquid phase, including surface tension, interfacial tension, viscosity or dispersion viscosity, density, relative volatility etc. and the volume ratio of oil to water on mass transfer were discussed systematically, the influence of the second liquid on mass transfer efficiency was also investigated, a gnat deal of viewpoints and suggestions having been put forward in this paper are significant important for optimizing design of distillation tower
摘要介紹了氣液液三相精餾塔板傳質性能研究的進展情況，討論了氣速、液氣比等操作條件，表面張力、界面張力、液體的粘度或分散粘度、密度和相對揮發度等物系性質以及油水體積比等多種參數對傳質效率的影響，探討了第二液相的存在對傳質的影響，文中的許多觀點獲和建議對于優化精餾塔的設計具有重要的指導意義。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。However, the majority of crude oils, and this applies to the heavier, more viscous petroleums, which are processed by distillation, are usually separated into the lighter fractions ( gas, gasoline, naphtha, kerosene, and gas oil ) and the bottom or, as it is more generally called, the reduced crude
但是，經過蒸餾處理的大多數原油，包括比重較大、粘度更大的原油，一般都分離為較輕組分（氣、汽油、粗汽油、煤油和粗柴油）和殘渣，或者更多稱作常壓重油。Hydrocarbon binders. determination of the carbochemical heavy distillates content of mixed bitumens. densimeter method
氫碳粘合劑.混合瀝青中碳化重餾分含量的測定.比重計法Organic geochemical measurements of geological samples - method for aromatic types analysis of gas - oils aromatic fractios by mass spectrometry
地質樣品有機地化測試重餾分石油芳香烴族組成質譜分析方法Organic geochemical measurements of geological samples - method for hydrocarbon types analysis of gas - oil saturates fraction by mass spectrometry
地質樣品有機地化測試重餾分石油飽和烴族組成質譜分析方法The reasons of local liquid leakage and difficulty in overhauling of the dead trays in rectifying tower kettle for butadiene extraction were analyzed and the coupling and sealing structure of dead trays were redesigned
摘要分析了造成丁二烯萃取精餾塔塔釜死塔盤局部漏液和檢修拆裝困難的主要原因，重新設計出由卡板、螺栓和聚四氟乙烯混編盤根組成的死塔盤的聯接與密封結構。Membrane distillation is an important branch of membrane separation technology which employees a hydrophobic microporous membrane for the separation process. during md process, feed contacts with one side of membrane, after water evaporates on hot side, vapor transfers to cold side under pressure drive, where vapor is condensed on cooling wall and then collected or removed
膜蒸餾技術是膜分離技術中的一個重要分支，它是指利用一疏水性的多孔膜，膜熱側與待處理液直接接觸，待處理溶液中的水在膜熱側汽化后，氣體在壓強差的推動下，通過膜孔傳遞到膜冷側，冷凝后收集或除去的一種分離技術。With the increase in production load, there is heavy liquid entrainment from the rectification column, resulting in a rise in urea content in the low - pressure ammonium carbamate solution, bringing about the cold crystallization of the low - pressure carbamate, cavitation erosion of the carbamate pump, and a decrease in decomposition of the carbamate in the rectification column, thereby impairing safety in production
摘要生產負荷提高后，精餾塔帶液嚴重，使低壓甲銨液中的尿素含量增加，引起低壓甲按冷凝器結晶、甲銨泵氣性、精餾塔甲按分解率下降等現象，嚴重影響安全生產。分享友人