• 穿化纤衣料比如苯烯这样可以吸收身上

    Start with a thin layer of synthetic material such as polypropylene, which wicks sweat from your body.

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  • 防滑材料合成橡胶丁基人造橡胶丁基人造橡胶。

    The material of the antiskid sheets is synthetic rubber, such as artificial rubber or butyl benzene alkene artificial rubber.

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  • 考察催化剂用量反应温度、反应时间比对烷基收率烷基化油质量影响

    The effects of catalyst dosage, the ratio of benzene to olefin, reaction temperature and reaction time on the yield of alky -benzene and the quality of alky late were investigated.

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  • 实验结果表明,随着增加,十二转化率2位-十二烷基选择性有所增加

    It is showed that the conversion ratio of dodecene and the selectivity of producing 2-alkylbenzene are slightly increased with increasing molar ratio of benzene to dodecene, respectively.

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  • 固定床反应器一定反应条件下,考察了改变摩尔比对负载杂多酸催化剂催化合成直链烷基的活性和选择性的影响。

    The solid acid catalyst of supported heteropoly acid used for the synthesis of linear alkylbenzene from benzene and dodecene was characterized by using XRD, SEM, TEM and FT-IR.

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  • 针对催化精馏过程,围绕减缓催化剂问题,采用过程数学模拟试验研究相结合的方法,考察了进料苯烯物质的量比对过程结果和催化剂失活的影响。

    In this paper, the research on the catalytic distillation process of alkylation of benzene with ethylene, aiming at slowing down the deactivation of the catalyst, has been reported.

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  • 赤芍主要挥发成分Z, Z)-9, 12-十八碳二,正十六碳酸2-羟基甲醛

    The main volatile chemical components of RPR are(Z, Z)-9,12-octadecadienoic acid, n-hexadecanoic acid and 2-hydroxy-benzaldehyde.

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  • 方法测定5磷脂注射液甲醇的含量,该方法为多磷脂酰胆碱注射液简便合理可靠的质量控制方法。

    This method has been applied to 5 different polyene phosphatidyl choline injection. This is a more convenient, reasonable and reliable control method for polyene phosphatidyl choline injection.

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  • 我们预计较低较高方面类似的。

    We might predict that both the lower and higher vinylogs of benzene should be similar in this respect.

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  • 本文研究了高压汞灯照射下,二甲酮3,4 -聚异戊二能量传递机理

    This paper studied the energy transmission mechanism between benzophenone and 3, 4-polyisoprene which were irradiated by high pressure Hg lamp.

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  • 冰片氯化镁反应产物冰片基甲醇、二基甲醇氧化产物冰片

    The reaction products of bornyl magnesium chloride with diphenyl ketone are diphenyl bornyl carbinol, diphenyl carbinol and its corresponding oxidation product, bornylene.

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  • 约有30种化合物绿茶香气鉴别出来,其中主要甲醇、乙醇、已醇、沉香醇、香茅醇和甲基水杨酸酯

    Approximately 30 compounds have been identified in the aroma of green tea, the major ones being benzyl alcohol, phenylethyl alcohol, a hexenol, linalool, geraniol and methyl salicylate.

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  • 研究了磺酸型树脂催化异戊甲醇化,考查了温度、醇比和空速对反应的影响

    The etherification of isoamylenes and methanol to form tert all methyl ether (TAME) by benz-sulfonic acid cation exchange resin as catalyst, was studied.

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  • 在常压反应固定反应装置上进行,评价了催化剂1-十二烷基化反应催化性能。

    Their catalytic activities were measured by alkylation of benzene with 1-dodecene as model reaction in a slurry reactor under atmospheric pressure and fixed bed reactor.

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  • 它们乙酸甲醛、正葵14-甲基十五烷酸甲酯丙三醇甲酸69-十八碳二酸甲酯、角鲨烷硬脂二十烷基油酸

    They were acetic acid, benzaldehyde, n caproic acid, 14 methyl pentadecanoic methyl ester, glycerin, benzoic acid, 6,9 octadecadienoic methyl ester, squalane, stearic acid and oleic eicosyl ester.

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  • 我们知道聚丁二(PB)胶乳(SBR)胶乳橡胶粒径控制最终产品冲性能加工性能的重要指标。

    It is widely recognized that, in such cases, the particle diameter of rubber (PB latex or SBR latex) greatly governs the impact resistance and processability of the final products.

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  • 丙基并恶中间体丙基类化合物,甲醛脱水缩合反应而成。

    Allyl-functional benzoxazine is synthesized by the reaction of allyl phenol, phenyl amines, and formaldehyde.

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  • 采用均四甲酸酐PMDA过氧化二甲酰(BPO)双固化剂固化丁二环氧树脂ELPB),制备了ELPB/PMDA/BPO高温胶粘剂

    The high temperature resistant adhesive was prepared based on liquid polybutadiene epoxy resin(ELPB) cured by pyromellitic dianhydride(PMDA) and benzoyl peroxide(BPO).

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  • 论文同时研究不同因素星型聚丁二星型丁无规共聚物微观结构影响

    The thesis also studies the effect of different factors on microstructure of star-shaped polybutadiene and star-shaped butadiene-styrene random copolymer.

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  • 研究硫醇光固化组成物的反应机理,选用安息香双甲、安息香乙醚、安息香正醚、甲酮噻吨酮光敏剂红外光谱法研究了硫醇光化学反应动力学

    The kinetics of thiol-ene reaction is studied by Fourier Transform Infrared when benzoin dimethyl ether, benzoin ethyl ether, benzoin butyl ether, benzophenone and ITX were used as photosensitizer.

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  • 运用示差扫描量热(dsc)法研究了邻二甲酸二丙基酯(DAP)树脂固化反应历程。

    Curing reactions of diallyl phthalate (DAP) resin were studied by differential scanning calorimetry (DSC).

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  • 挥发物在存在差异,正常的复叶槭挥发大量的萜杨柳产生较多。

    There were some difference among species. Health ashleaf maple released more terpenoids, but poplars and willow produced more aromatic compounds.

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  • 发明涉及一种用于制备链基化羟化芳族化合物并二氢吡喃化合物和其衍生物的方法。

    The present invention relates to a process for the manufacture of alkenylated hydroxylated aromatic compounds, of chroman compounds and of their acylated derivatives.

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  • 种用于聚合高顺式异戊二橡胶磺酸稀土催化剂特征在于该催化剂是由磺酸钕稀土配合物及烷基铝组成;

    The invention relates to a sulfoacid rare earth catalyst for polymerizing high-cis-isoprene rubber and a preparation method thereof.

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  • 种用于聚合高顺式异戊二橡胶磺酸稀土催化剂特征在于该催化剂是由磺酸钕稀土配合物及烷基铝组成;

    The invention relates to a sulfoacid rare earth catalyst for polymerizing high-cis-isoprene rubber and a preparation method thereof.

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