1,4-Naphthoquinone is synthesized by oxidation using naphthalene as raw material, cerous sulfate as oxidant in presence of sulfuric acid, and with 140# solvent naphtha as solvent. Reduced cerous sulfate can be regenerated by electrolysis and reused in reaction repeatedly.

  • 用萘为原料,硫酸铈为氧化剂,140溶剂油为溶剂,在硫酸存在下氧化合成1,4萘醌,氧化剂硫酸铈被还原后,通过电解再生,循环使用。
  • 来源:互联网摘选更新时间:2025-01-20 13:08:35

  • 重点词汇
  • andconj. 和,与;而且;于是,然后;因此;
  • oxidantn.氧化剂;
  • sulfuricadj.<化>(正)硫的,含(六价)硫的;
  • isvt.& vi. 是(be的三单形式);
  • presencen.出席;存在;风度;灵魂,鬼魂;
  • cerous sulfate硫酸铈;
  • rawadj.生的;自然状态的;强大的;擦伤的;不熟练的;寒冷的;质朴的;
  • bev. 是;有,存在;做,成为;发生;
  • solventn.[化]溶剂,溶媒;解释,说明;解决方法;使瓦解的东西;
  • reducedadj.减少的,简化的;
  • 1num. one;
  • oxidationn.氧化;
  • 相关例句
1、

It is shown that the ceric-cerous sulfate can work as transfer dosimeter or standard dosimeter for measurement. Catalytic Synthesis of Isoamyl Isovalerate with Ceric Sulfate

通过比对和应用证实了测定结果准确可靠,铈剂量计可作为传递剂量计和标准剂量计使用。硫酸高铈催化合成异戊酸异戊酯的研究

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2、

Methods: The cerous sulfate reducing reaction was used according to the preventive and curative criteria of iodine deficiency drawn up by WHO and ICCIDD.

方法:采用WHO与ICCID制定的《碘缺乏病防治标准与方法》中的硫酸铈法。

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3、

Because the oxidation ability of ammonium cerous sulfate was affected by acidity and concentration of solution, we discuss and select their optimization.

因为硫酸铈铵溶液的氧化能力与溶液的酸度和浓度有较大的关系,故讨论了溶液的酸度和浓度的选择。

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4、

OUr goal was to determine urine iodine of 1887 pregnant women and 1887 corresponding newborns with cerous sulfate reducing reaction.

本文采用硫酸铈法测定了1887例分娩前(40周)孕妇与相应的1887例新生儿尿碘。

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5、

Studies on new inorganic ion-exchangers& gas chromatographic efficiency of cerous metaphosphate

新型无机离子交换剂研究&偏磷酸铈的气相色谱应用

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6、

Cerous iodate is soluble in acidic aqueous solution, but a yellow precipitate is formed homogeneously and gradually after irradiation by laser.

三价铈的碘酸盐能溶于酸性永溶液,而在激光辐照后,却均匀地、逐渐地生成黄色沉淀。

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7、

In this paper, the process of the thermal pyrolysis of waste polystyrene ( WPS) was studied of with catalysts in existence such as cerous nitrate, composite catalyst and rare earth chloride etc.

本文研究了废聚苯乙烯在氯化稀土、硝酸铈和复合催化剂等催化剂存在下的裂解情况。

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8、

Butyl methacrylate was synthesized from methacrylic acid and n-butyl alcohol with esterification reactions by the catalytic activey of cerous nitrate.

以甲基丙烯酸和正丁醇为原料,硝酸亚铈为催化剂,合成了甲基丙烯酸丁酯。

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9、

An effective process which uses starch as basic material, ammonium cerous nitrate as initiatingagent and acrylonitrile as monomer to produce super-absorbent polymer is introduced.

介绍了一种以淀粉为基本原料、以硝酸铈铵为化学引发剂、以丙烯腈为单体制备高吸水树脂的有效方法。

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11、

Nanometer CeO_2 powders were prepared by means of microwave radiation using cerous nitrate and ammonium hydrogen carbonate.

以硝酸铈为原料,碳酸氢铵为沉淀剂,用微波加热的方法制备了纳米CeO2超细粉体。

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12、

The surface chemical structure of activated carbon fibers ( ACF) was modified by cerous nitrate.

利用硝酸铈铵对活性炭纤维进行了化学改性。

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13、

Effect of cerous nitrate on the activity of ATPase in tissues

硝酸铈对大鼠组织中ATP酶活性的影响

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14、

A novel solid complex of gelatin hydrolysate and cerous chloride was synthesized successfully, and the complex reaction between gelatin hydrolysate and rare earth cerium was verified by FT-IR.

报道了用水相法合成水解明胶铈配合物,采用红外光谱证明了水解明胶与铈的配合反应。

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15、

Research on Equivalent Bending Strength of Cermet Cladding Material for Clad in Press Condition

金属陶瓷硬质覆层材料覆层受压时的等效抗弯强度研究

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16、

Research on Wear Resistance of Cermet Cladding Material

金属陶瓷硬质涂覆层材料耐磨损性能研究现状

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17、

The effect of MoS_2 content on the friction and wear properties of copper-based cermet material was investigated. The result showed that MoS_2 was decomposed S and Mo during sintered;

研究了MoS2在铜基摩擦材料中的作用,结果表明,作为润滑组元加入的MoS2并非以MoS2的形式影响摩擦材料的性能。

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18、

Study on the Tribological Properties of SiC Ni Co Mo PbO High Temperature Self Lubricating Cermet Material

SiC-Ni-Co-Mo-PbO系高温自润滑金属基陶瓷材料摩擦学性能的试验研究

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19、

Study on the Tribological Properties of WC-Ni-Co-Mo-PbO High-Temperature Self-Lubricating Cermet Material

碳化钨-镍-钴-钼-氧化铅系高温自润滑金属陶瓷材料的综合性能研究

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20、

Research on Microwave Sintering Technology of Cermet Material

微波烧结金属陶瓷材料的工艺研究

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