• 研究选择性氧化过程动力学氧分压氧化过程影响

    Study on selective-oxidation kinetics and effect of oxygen partial pressure on oxidation process was conducted.

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  • 氯化铵氧化铬可以较高产率将选择性氧化生成相应

    The selective oxidations of secondary alcohols to corresponding ketones by ammonium chlorochromate were described in this paper.

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  • 同时指出,总体了解选择性氧化代用燃料加工也是帮助的。

    She also points out that understanding selective oxidation of alcohols in general is relevant to the processing of alternative fuel sources.

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  • 阐述甲烷选择性氧化合成气过程优点其他转化工艺进行了比较

    A new synthetic route of methane to synthesis gas is compared with other conventional ones and the advantage is introduced.

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  • 氧化具有很强的氧化能力选择性氧化木素色素纤维素较少损伤。

    As ClO2 has great oxidizing power, it can choose to oxidizing lignin and coloring matter, but be less to carbohydrate.

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  • 实验结果表明,铬酸季铵盐树脂一种氧化醛或有效选择性氧化

    The experiment results show that CrO 4h - quaternary ammonium salt resin is an effectively selective oxidant for oxidation of alcohol to aldehyde of ketone.

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  • 探讨及其行生物氧化过程,并从结构上解释了铬衍生物选择性氧化作用。

    In this paper, oxidative procedure of chromic acid and chromic acid derivatives is described. The selective oxidation of chromic acid derivatives is explained by their structure.

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  • 降低氧化膜内含量提高初期氧化膜的保护性,从而促进选择性氧化膜的形成。

    During the initial stage of oxidation, Cr decreased Fe content in the oxide scale, by which the selective oxidation of Al was promoted.

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  • 发明属于氧化合成技术领域公开了一种邻苯二酚类物质选择性氧化加氧化学方法

    The invention belongs to the technical field of oxidation synthesis and discloses a chemical method for high-selectivity oxidation and oxygen-adding open loop of catechol substance.

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  • 选择性氧化醇类羰基化合物有机合成中的一个重要反应,其在精细化学品工业具有关键作用

    The Selective oxidation of alcohols to the corresponding carbonyl compounds is a key process in organic synthesis and plays a central role in the fine chemicals industry.

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  • 采用氧化双氧水溶解羊毛得可溶性角蛋白溶液,再对经高碘酸选择性氧化棉纤维进行处理。

    Keratin solution, prepared by dissolving the wool fibers in the sodium hydroxide solution and peroxide solution, was used to threat the cotton fibers oxidised by sodium periodate.

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  • 石油主要还原型碳氢化合物组成,因此它们的选择性氧化反应研究就成为化学工业重要的挑战性课题之一

    Petroleum primarily consists of reduced hydrocarbons, and their selective oxidation chemistry remains one of the foremost challenges in the chemical industry.

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  • 碘酸选择性氧化亚麻纤维大分子上生成了活性醛基,随着氧化程度加深,纤维表面变得粗糙结晶度不断降低

    The surface of flax fiber became rough and crystallinity decreased while increasing oxidized degree of flax fiber. The structure and properties of the proteinic oxidized flax fiber were studied.

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  • 采用选择性氧化还原剂俄罗斯直馏柴油中的硫化物噻吩类硫化物分别进行分离和富集,得到两者的浓缩液

    Sulfur compounds in Russian atmospheric gas oil were separated into thiophene and thioether compounds by the oxidation-reduction method using selective oxidant and reducing agent.

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  • 电解生产碳素阳极两组分(石油沥青结焦)的活性差异带来阳极选择性氧化造成碳素阳极过量消耗的主要原因之一

    Selective oxidation of carbon anode in aluminum electrolysis caused by reactivity difference between pitch coke and petroleum coke is one of the main causes for excess carbon consumption.

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  • 研究添加CTAB化学氧化速度影响,以及外加H_2O_2对阴极电合成选择性影响。

    The effect of additive CTAB on chemical oxidation rates and the effect of externally added H_2O_2 on selectivity of cathodic electrosynthesis have been investigated.

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  • 研究了一种氧化二氮硝化选择性硝化缩水甘油合成缩水甘油硝酸温和高效方法

    A mild and high efficient method to prepare glycidyl nitrate by selective nitration of glycidol with dinitrogen pentoxide as the nitrating agent was developed.

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  • 未经氧化的含黄铁矿高岭岩选择性粉碎目的是解离分选黄铁矿及其聚合体。

    For pyritecontaining unoxidized kaolinite, the selective comminution aims at liberating and separating pyrite and its interlocking minerals.

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  • 作者结果提示接合氧化选择性代谢过程

    According to the authors the results suggested that conjugation is an alternative metabolic process to oxidation.

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  • 使含炉渣中的钛组分富集钙钛矿相中,基于选择性析出技术需要对炉渣进行氧化处理。

    In order to promote the enrichment of titanium component in perovskite phase, based on the technology of selective precipitation, the slag is supposed to be oxidized.

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  • D-(-)-果糖为性源,经过丙酮保护氧化选择性脱保护、三氟酰化反应得到手性4

    Chiral ketone 4 derived from D-(-)-fructose was obtained by four steps reaction including protection with acetone, oxidation, deprotection selectively and trifluroacetylation.

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  • 目的研发一种通过增加氧化(NO)释放从而选择性改善脉络膜血流新型药物,用于治疗年龄相关性黄斑变性(amd)。

    OBJECTIVE To synthesize a compound, which can specifically facilitate choroidal blood flow via increasing of nitric oxide (NO), for the treatment of age-related macular degeneration (AMD).

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  • 说明选择性萃取技术可以广泛应用于自然水体采集生物膜上铁氧化的萃取分离

    It shows that selective extraction technology can be applied broadly to the extraction and separation of manganese oxides and iron oxides in biofilms sampled from natural waters.

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  • 我们还发现,催化氧化环境连续使用粒径越来越长,丙烯选择性相应提高

    The poor acrolein selectivity of this catalyst was improved by continuous use in the catalytic oxidation for making the particle size of the dispersed bismuth molybdate larger.

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  • 综述羧酸衍生物烯醇盐氧化二聚成键规律,重点立体选择性过程

    Stereoselective oxidative dimerization of the enolate of carboxylic acid derivatives is summarized focusing on the stereoselectivity of the process.

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  • 研究了SAS型固体几种分子筛氧化苯乙烯液相重排成苯乙醛反应,考察了催化剂的活性、选择性和和稳定性。

    The method of liquid phase rearrangement of styrene oxide to phenylacetaldehyde catalyzed by SAStype solid acids and molecular sieves was studied.

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  • 结果表明氧化物类无机粒子乙醇选择性对乙醇具有较好的选择性

    The results showed that inorganic particles have no selection on water and alcohol but the carbon powder has better selectivity on alcohol.

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  • 氧化聚吡咯膜的膜对于多巴胺选择性灵敏度具有重要影响

    The thickness of OPPy film has an important effect on the sensitivity and selectivity for DA with respect to AA.

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  • 氧化聚吡咯膜的膜对于多巴胺选择性灵敏度具有重要影响

    The thickness of OPPy film has an important effect on the sensitivity and selectivity for DA with respect to AA.

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