petroleum solvent 中文意思是什麼

petroleum solvent 解釋
石油溶劑
  • petroleum : n. 石油。 crude [raw] petroleum 原油，重油。
  • solvent : adj. 1. 有溶解力的，可溶解的；〈比喻〉使（信仰等）瓦解[削弱]的 （of）。2. 有償付能力的。n. 1. 【化學】溶劑，溶媒 （of for）。2. 解釋，說明。3. 使瓦解的東西。
  1. Dissolved in most organic solvent, such as aether, benzene, petroleum ether, and so on

    可溶解在絕大多數有機溶劑中，如正庚烷苯石油醚等。
  2. 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。
  3. 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； 4
  4. It is made from daqing petroleum, it can be used as an ink solvent

    本產品為以大慶原油為原料，經常壓蒸餾等過程而制得的特種油墨溶劑油。
  5. It is a light fraction of petroleum. it can be used as solvent of insecticide aerosol, medicine and dyeing

    本產品為由石油的輕質餾分，經深度加氫精製所制得的hr - 92殺蟲氣霧劑用油。
  6. The industry application of sweetening catalyst in the petroleum solvent system

    脫臭劑在溶劑油系統上的工業應用
  7. Qingdao zhenli chemicals industry co., ltd., a sino - foreign company, is manufacturing over 3000 tons petroleum resin, 1000 tons pheylethy1 - indeneresin, 1500 tons rubber special used tackier resin, and 3000 tons arene solvent naphtha with its scientific management, technicians of high quality, precise test means, abundant funds and complete advanced equipments

    青島振利化工有限公司，是中外合資企業，技術力量雄厚、設備先進、管理科學、產品符合國家標準。年產石油樹脂3000噸。苯乙烯一茚樹脂1000噸。
  8. To 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。
  9. 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。
  10. The petroleum chemical industry with the activated charcoal evengrain - size distribution, the high benzene adsorption dynamics, wear - resisting, resists corrosion, the selective adsorption performance isoutstanding, mainly uses in the petroleum, the natural gas and thecarbonificated industry vapor phase live pressure adsorption, theliquid phase separation, the solvent recovery, the liquid and the gasproduct purifies, and is mad in the fluid product organic sulfideremoveing

    均勻的粒度分佈，高的苯吸附力，耐磨、耐蝕，選擇吸附性能優異，主要用於石油、天然氣及煤化工業的汽相變壓吸附，液相分離，溶劑回收，液體及氣體產品凈化，及氣液產品中的有機硫化物的去除。
  11. Test method for solvent extractables in petroleum waxes

    石油蠟含油量測定法丁酮-甲苯法
  12. It has developed products such as the solvent - dilution type anti - corrosion oil, n - 260 ethylene ultra - high pressure compressor - purpose oil, chemical fiber finish, alkane - purpose chemical reagent, petroleum sulfonate and metal machining - purpose oil are widely used in many fields, such as national defense, electronics, information industry, textiles, chemicals and machine building. they successively won state - level, provincial - level and municipal - level science and technology achievement prizes and excellent new product prizes

    研製開發的溶劑稀釋型防銹油、 n260乙烯超高壓壓縮機油、化纖油、烷烴化學試劑、石油磺酸鹽、金屬加工用油等一大批產品，被廣泛應用於國防、電子、信息、紡織、化工、機械等行業，先後獲國家、省、市科技成果獎和優秀新產品獎。
  13. A volatile, flammable fraction of petroleum, obtained by distillation and used as a solvent

    石油類是石油當中易揮發，易點燃的成分。通過蒸餾獲得，用作溶劑
  14. Aromatic petroleum solvent

    芳族石油溶劑
  15. Included in the main topic of the meeting are the processing technology of petroleum wax ( include petroleum wax, white oil, vaseline, liquid paraffin wax and solvent naphtha and so on ), research and development of petroleum wax product and application, nationwide and worldwide technical communication and outlook of petroleum wax, quality management and marketing exploration of petroleum wax

    這次會議的主要內容是：石油蠟類（包括石油蠟、白油、凡士林、液體石蠟、溶劑油等）加工工藝及技術；石油蠟類產品研製開發與應用；石油蠟類國內外技術信息及展望；石油蠟類產品質量管理和市場開發與營銷。
  16. Standard practice for solvent extraction of total petroleum hydrocarbons from soils and sediments using closed vessel microwave heating

    用封閉式容器微波加熱法從土壤和沉積物中溶劑萃取全部石油烴類的標準實施規程
  17. Standard test method for solvent extractables in petroleum waxes

    石油蠟溶劑可萃取物的標準試驗方法
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