• The two main classes of petrochemicals are olefins and aromatics.

    石化的两类主要产品是烯烃和芳烃。

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  • Not recommended for use with petroleum solvents, kerosene or aromatics.

    不建议与石油溶剂、煤油或芳烃同时使用。

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  • Intense black raspberry and plum aromatics are threaded with cedar, allspice and a touch of vanilla.

    浓郁的黑树莓、李子的芬芳与雪松、多香果及一丝香草气息交织融合。

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  • We are very pleased with the 2009 vintage-the colors and aromatics are great.

    我们对2009年收获的葡萄非常满意,葡萄颜色和香味都很棒。

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  • Intense aromatics with citrus and grapefruit complexed with hints of honey and spice.

    香味柑橘和柚子芳香颇为浓郁,并融合了蜂蜜和辛香料的气息。

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  • Peroxidation of alkyl aromatics is the key step to synthesis of phenols.

    烷基芳烃过氧化反应是酚类合成反应的关键步骤。

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  • Their high solvency resembles that of aromatics but offer higher polarity.

    它们的高溶解性与芳烃类似,但具有更高极性。

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  • Saturation and aromatics affect the ductility of asphalt at low temperature.

    饱和烃和芳香烃影响沥青的低温延度和粘结性。

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  • Most of these compounds were sesquiterpenoids, aromatics and monoterpenoids.

    这些物质主要是倍半萜类、芳香族、单萜类等化合物。

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  • The processes and catalysts for removal of aromatics contained in diesel oil are reviewed.

    论述了柴油加氢脱芳烃的催化剂体系、芳烃加氢反应机理和工艺方法。

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  • The catalyst exhibited higher HDS and HDN activity and good aromatics saturation performance.

    该催化剂表现出较高的脱硫、脱氮活性及较好的芳烃饱和性能。

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  • This paper discusses the effects of the boiling range of the reforming feedstock on aromatics extraction.

    本文论述了重整原料油馏分范围对芳烃抽提效果的影响。

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  • Not mainly the ageing of resins and asphaltenes but that of saturates and aromatics cause the ageing of asphalt.

    沥青热氧老化的原因主要是饱和分和芳香分的氧化,而不是胶质和沥青质的氧化。

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  • Isomerized gasoline is the cleanest high-octane gasoline component, which is free of sulfur, olefin and aromatics.

    异构化汽油不含硫、烯烃及芳烃,是最洁净的高辛烷值汽油组份。

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  • The dark ruby-colored 2005 Napa Valley Cabernet Sauvignon resembles a classic Bordeaux both in aromatics and flavor.

    这款深红宝石色泽的2005年份纳柏谷加本力,无论酒香还是风味,都与经典的波尔多佳酿十分相似。

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  • Synthesis of aromatics by catalytic conversion of methane is reviewed and the recent results of experiment are given.

    综述了甲烷催化转化合成芳烃的方法和目前实验达到的结果。

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  • The current manufacture technologies of aromatics oxidation at home and abroad were briefly introduced in this paper.

    对国内外重要芳烃氧化产品的生产技术作了简要评述。

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  • After enriched separation, the sulfur_containing compounds were oxidized with 72% sulfur removal rate in aromatics group.

    分离后对芳烃组分中的含硫化合物进行氧化,脱硫率达72%。

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  • The application of soft sensor and advanced process control technology in aromatics disproportionation unit is introduced.

    介绍了芳烃歧化装置应用软测量和先进控制技术的情况。

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  • Latest advances in the catalyst systems and the reaction mechanism for hydrodealkylation of alkyl aromatics were reviewed.

    综述了烷基芳烃催化脱烷基催化剂和反应机理的最新进展。

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  • The heat of evaporation for various kinds of alkanes, alcohols, esters and aromatics were determined by gas chromatography.

    本文用气相色谱测定了多种烷烃、芳烃、醇类和酯类的蒸发热。

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  • The application of pyridine bases in the field of pharmaceuticals, pesticide, aromatics, rubber, and dyestuff are introduced.

    介绍了吡啶碱类化合物在医药、农药、香料、橡胶和染料等领域的应用。

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  • Capacity expansion revamping of the aromatics extraction unit in the refinery of Dushanzi Petrochemical Company is expounded.

    介绍了中国石油天然气股份有限公司独山子石化分公司炼油厂芳烃抽提装置扩能改造的情况。

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  • Lowering gasoline aromatics content reduced HC and co emission, but olefin reduction had a adverse effect on HC and co emission.

    汽油中芳烃含量降低,排放的CO、HC降低;烯烃含量降低,对CO、HC排放有负面影响。

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  • Yield of reformate oil, hydrogen and aromatics was increased by 1.3 %, 0.5 % and 2.2%, respectively, when WHSV increased by 20%.

    在质量空速提高20%,反应条件基本相同的情况下,重整生成油的收率、纯氢产率和芳烃产率分别可提高1.3%、0.5%和2.2%。

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  • The narrow-cut fractions of FCC LCO hydrogenated by the two-stage process, whose aromatics content is less than 25 %, was studied.

    对采用两段法加氢工艺加工某催化裂化柴油得到的芳烃质量分数低于25%的产品柴油窄馏分的性质进行了分析。

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  • The analysis and optimization of operation conditions can provide a basis for optimization of reforming unit to produce aromatics.

    该操作条件分析及优化结果可为芳烃型重整装置的优化操作提供参考。

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  • Through it, octane value of gasoline, cetane value of diesel oil, aromatics and sulphur contents in fraction oil can be calculated.

    用此方法可以计算汽油的辛烷值、柴油的十六烷值、馏分油中芳烃和硫含量。

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  • Neohexene is an important intermediate of fine chemical, is widely applied in the chemical synthesis of aromatics and agrochemicals.

    新己烯是重要的有机中间体,广泛应用于香料和农用化学品等的合成中。

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  • Neohexene is an important intermediate of fine chemical, is widely applied in the chemical synthesis of aromatics and agrochemicals.

    新己烯是重要的有机中间体,广泛应用于香料和农用化学品等的合成中。

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