1、

The liquid-phase alkylation of benzene with dilute ethylene in FCC off-gas over β-based catalyst ( YEB) has been investigated both in a slurry-bed reactor and a fixed-bed reactor.

研究了以β沸石为酸性成分的YEB催化剂在低温条件下催化裂化干气中乙烯与苯的烷基化制取乙苯过程。

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2、

Study of V-P Catalysts for Oxidation of Benzene to Maleic Anhydride

固定床苯氧化制顺酐V-P催化剂的研究

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3、

Experimental study on removal of low concentration benzene with UVC

利用UVC去除低浓度苯的实验研究

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4、

Study on synthesis of super high TNB calcium heavy alkyl benzene sulfonate

重烷基苯磺酸合成超高碱值磺酸钙的研究

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5、

The waste gas containing toluene, benzene or xylene ( TBX) for shoemaking industry is commonly treated with activated carbon absorption.

制鞋业产生的含甲苯、苯和二甲苯废气的治理大多采用活性炭吸附法。

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6、

Objective: To explore the effects of Pumpkin Extracts ( PKE) on oxidative damage effect of chronic benzene poisoning in mice.

目的:探讨南瓜提取物对慢性苯中毒所造成的机体抗氧化系统损伤的拮抗作用。

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7、

Modifying Bentonite and Attapulgite with on short chain quaternary ammonium compound ( QAC) tetramethylammonium ( TMA) has been done. The sorption of benzene homologues in simulated groundwater by TMA modified clays has been studied.

用短链季铵盐阳离子表面活性剂四甲基铵离子(TMA)改性膨润土和凹凸棒土,研究它们对模拟地下水中苯系物的吸附作用。

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8、

The results of test showed that SHW has clearly lower content of hot water and 1% NaOH extractives and clearly higher alcohol-benzene extractives, and slightly lower hemicellulose and ash, and roughly the same lignin and holocellulose contents by comparison with PHW.

实验的结果表明,与PHW相比SHW的热水抽出物及1%NaOH抽出物明显较低,而苯醇抽出物明显较高,半纤维素及灰分含量略低,木素和综纤维素含量则大体相当。

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9、

Narrow-distribution polystyrene was eluted on a NDG ( silanized rigid SO2) column with benzene, toluene, THF and MEK as the eluants.

窄分布聚苯乙烯在NDG(硅烷化刚性硅胶)柱上,以苯、甲苯、THF和MEK作为淋洗剂时,流体力学体积?[η]和校正的流体力学体积?

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10、

Benzene derivatives and tetramethylammonium formed with compounds showing stronger attraction.

研究中,我们发现苯的衍生物与四甲基铵的形成的复合物分子间的相互作用力比较大,表现出较强的吸引力。

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11、

The salts used are sodium chloride, sodium acetate, sodium n-butyrate, sodium benzoate, sodium benzene sulphonate, tetramethylammonium bromide, tetraethylammonium bromide, and piperidine hydrochloride, most of which possess one kind of large ion.

所用的盐有氯化钠、乙酸钠、丁酸钠、苯甲酸纳、苯磺酸钠、溴化四甲基铵、溴化四乙基铵和六氢呲啶盐酸盐。

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12、

The action of benzene barbitone and influence, matter with drug taking?

苯巴比妥的作用与影响, 跟吸毒有关系 吗 ?

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13、

Effect of grain size of zeolite Y on its catalytic performance in liquid phase alkylation of benzene with ethene

Y型分子筛的粒径对其催化乙烯和苯液相烷基化性能的影响

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14、

The result of research indicated that the main products of benzene hydroxyl radical is phenol.

研究结果表明苯在大气中的演化产物主要是苯酚.

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15、

Because variety of reasons are popularized hard , replace the new-style and avirulent product of benzene preparation.

替代苯制剂的新型无毒产品由于种种原因难以推广.

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16、

Thermo-Photocatalytic Degradation of Gas-Phase Benzene over Pt-TiO_2/ CeO_2-MnO_2 Composite Catalyst

Pt-TiO2/CeO2-MnO2复合催化剂光热降解气相苯

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17、

Through the analysis, sodium dodecyl benzene sulfonic acid of zero point three percent concentration is the best injectant of Shanshan oilfield. It can enhance five point four six percent recovery.

通过分析确定浓度为0.3%的十二烷基苯磺酸纳为鄯善油田的最佳注入剂,可以提高采收率5.46%。

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18、

It was found that the compounds are adsorbed on the Ag surface through the carboxyl oxygen atoms, the benzene adopts acclivitous conformation, others lie low on the Ag surface.

结果表明:在银溶胶表面上,羧基氧原子与银形成化学建,苯环是稍微倾斜地吸附在银胶面上,其它部分则平躺吸附于银溶胶表面。

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19、

The technical requirements for preparing cyclohexanol from benzene is introduced and compared with the traditional process.

着重介绍了由苯经由环已烯制备环已醇的工艺条件以及与传统方法的技术经济比较.

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20、

Trace benzene homolog in water was determined by GC with satisfactory result, home resin GDX used as enriching adsorbent.

用国产GDX树脂作吸附剂富集,气相色谱法测定了水中痕量苯系物,结果良好。

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