石烯醇 的英文怎麼說

中文拼音 [dànchún]
石烯醇 英文
stenol
  • : 石量詞(容量單位, 十斗為一石) dan, a unit of dry measure for grain (= l00 sheng)
  • : 名詞[化學] (有機化合物的一類) alkene; olefince
  • : Ⅰ名詞1 [書面語] (含酒精多的酒) mellow wine; good wine2 [化學] (有機化合物的一大類 含羥基的烴化...
  1. Fifty - one and nineteen compounds were detected respectively from the volatile extracts of the fossils from miocene leaves of metasequoia glyptostroboides and early cretaceous seed cone of pityostrobus spp. by gas chromatography - mass spectrometry ( gc - ms ) analysis

    摘要採用氣相色譜質譜聯用分析技術從中新世水杉葉片和白堊紀松型球果兩種裸子植物化中分別鑒定了51個和19個揮發性成分,類型涉及烷烴、烷、烷、長鏈脂肪酸及其酯、鄰苯二甲酸酯、菇類和芳香族化合物。
  2. In order to solve the problems with heavy turpentine, such as complex constituents, vicinal boiling point, difficult to separation and hard to comprehensive utilization, the - santalene was converted to natural structure similar product - santalol by light - oxidize reaction, and caryophyllene epoxide was obtained at the same time

    摘要為了解決重質松節油組成復雜、沸點相近導致分離困難、難以深加工綜合利用等問題,利用光氧化反應技術,將其中的-檀香轉化為與天然-檀香結構相似的檀香型新香料-檀香,同時可得到環氧
  3. Current status and prospect of industrial production of vinyl acetate by synthesis method from calcium carbide - acetylene

    乙炔法工業生產聚乙的現狀與展望
  4. The experimental results indicate that gypsum is the key influencial factor on the density of the products ; polyvinyl alcohol can improve the product ' s surface quality and reduce its deformation ; meanwhile, the interaction between white carbon black and polyvinyl alcohol has some influence on the density and deformation of the product

    結果表明,粉末中膏含量是影響製件密度的關鍵因素,而聚乙則可以顯著提高製件的表面質量,減小尺寸變形量,白碳黑和聚乙的交互作用對製件密度和尺寸變形量也有一定的影響。
  5. The dispersity and stability of the graphite aqueous suspensions was investigated with centrifugation, the violet visible spectrophotometer, the laser particle size analyzer and scanning electron microscopy ( sem ). the following aspects of the production technique were carefully studied : 1. the effects of surfactants, poly ( vinyl alcohol ) ( pva ), poly ( vinyl pyrrolidone ) ( pvp ), sodium alginate ( sa - na ) and poly ( sodium acrylate ) ( pa - na ) on the suspension stability of graphite were investigated

    本研究的主要內容有以下三個方面: 1 、研究了陰離子表面活性劑、非離子表面活性劑、聚乙( pva ) 、聚乙基吡咯烷酮( pvp ) 、海藻酸鈉( sa - na ) 、聚丙酸鈉( pa - na )對墨在水中分散性和穩定性的影響; 2 、研究了分散方法、分散介質、 ph值及羧甲基纖維素鈉( cmc )含量對墨在水中分散性和穩定性的影響; 3 、研究了聚乙( pva ) 、聚乙基吡咯烷酮( pvp ) 、海藻酸鈉( sa - na ) 、聚丙酸鈉( pa - na )四種助分散劑與羧甲基纖維素鈉( cmc )復配對墨在水中分散性和穩定性的影響。
  6. Widely applied in the drying process of natural gas and petroleum gas, especially the advanced drying of gases like petroleum pyrolysis gas, ethylene, propylene, butadiene and acetylene, liquids like ethanol and acetone. in medical treatment and food industry, it can also be used as drying agent

    3a分子篩廣泛應用於天然氣和油氣乾燥工藝中,尤其是油裂解氣,乙、丙、丁二、乙炔等氣體的深度乾燥,可用於液體(如乙、丙酮)的乾燥,在醫療、食品等行業中也可用作乾燥劑。
  7. The modified pva fiber ultra short staple is a new product of modification based on the original production process for the vinylon fiber in the way of physical and chemical reactions. it is applied to replace the asbestos to make cement products

    改性聚乙纖維超短纖是我公司在原維綸纖維生產工藝上加以物理化學的辦法進行改性,使之適合於取代棉製水泥製品的纖維。
  8. The influence of retarder on the seaing time and ultimate strength of gypsum plaster was investigated in this paper. the experimental results indicate that the effect of single retarder, such as citric acid, is inferior to that of composite retarder which was made of blending citric acid with a few portland cement ( about 0. 5 ?, by weight ). the effect of different water - retention agents, such as polyvinyl alcohol ( pva ), carboxymethyl cellulose ( cmc ), and na - bentonite, etc., was also studied, and the results demonstrate that by means of adding organic and inorganic water - retention agent simultaneously the water - retention of plastering slurry can obviously be improved. the optimal mix proportion of gypsum plaster suitable to finish coat of walls and ceilings of buildings has been got by use of factorial experiment with orthogonal array accounting for interactions between factors each other

    研究了分別以檸檬酸、檸檬酸與普通硅酸鹽水泥復合物作緩凝劑,調節粉刷膏的凝結時間,並對比2種緩凝體系對膏抗折、抗壓強度的影響.比較不同保水劑(聚乙、羧甲基纖維素)以及相同量的保水劑在不同工藝流程下保水效果上的區別.探索了有機保水劑和無機保水劑對粉刷膏的保水性的影響.結果表明,檸檬酸與普通硅酸鹽水泥的復合緩凝劑比單純的檸檬酸更能有效地延緩建築膏的凝結,同時建築膏的抗折、抗壓強度降低幅度減小
  9. It produces more than 30 products of chemicals, chemical fiber, textile, and building materials with double wheel as its trademark. the company has an annual output of 50, 000 tons of vac, 25, 000 tons of pva, 60, 000 tons of calcium carbide, 10, 000 tons of vinylon staple, 32, 000 tons of polyester filament, 80, 000 tons of cement, 10, 000 tons of formaldehyde, and 10, 000 tons of pvac emulsion. some main products, for instance, pva, vinylon staple, and polyester filament, were awarded excellent product by the fujian provincial government, the ministry of textile industry of china, or our country for many times

    福建紡織化纖集團有限公司主要生產以「雙輪牌」為注冊商標的化工化纖建材三大系列30餘種產品,產品年生產能力為:醋酸乙5萬噸聚乙2 . 5萬噸電6萬噸滌綸加工絲3 . 2萬噸維綸纖維1萬噸甲醛1萬噸水泥8萬噸彩色母粒1200噸,同時還生產聚醋酸乙乳液不飽和樹脂安全網等產品。
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