For the oxidation reaction, under the conditions of 24h and room temperature, the volume proportion of trifluoroacetic acid and H_2O_2,1 ∶ 10.

  • 氧化反应:室温条件下氧化24h,三氟乙酸与双氧水的体积比为1∶10。
  • 来源:互联网摘选更新时间:2026-07-13 02:54:16

  • 重点词汇
  • theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用,指事物或统称的人;用于姓氏的复数形式前,指家庭或夫妇;(指特定用途的事物)足够,恰好;每,一;当前的,本,此;(重读,表示所指的为知名或重要的人或事物)
  • On. 英语字母表的第15个字母;(说电话号码等时表示)零
  • proportionn.部分,份额;比例;重要性;均衡;
  • acidadj.酸味的;尖刻的;酸的;酸性的;
  • reactionn.反应(能力);不良反应;化学反应;抗拒,反对;
  • roomn. 房间;空间;余地;房间里所有的人;
  • AND与(计算机逻辑运算的一种,或称逻辑乘法) AND gate “与”门(电路,脉冲);
  • andconj. 和;与;而且;于是;然后
  • 相关例句
1、

spiculate bainitic nodular cast iron rolls(centrifugal)

针状贝氏体球墨铸铁轧辊(离心)

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2、

preparation and growth mechanism of large single spiculate zno

大尺寸单针状氧化锌晶体的制备及生长机理

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3、

racemes simple or compound, densely spiculate, spikelets paired in 4 rows, or congested on secondary racemelets.

单的总状花序或复合,浓密,在4排内配对的小穗,在次生上密集的或。

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4、

branches spiculate to base, with short stiff branchlets and pedicels, smooth.

分枝细刺的至基部,具短硬的小枝和花梗,平滑。

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5、

this slender, small-spiculate species is widespread in tropical asia and is to be expected elsewhere in s china.

这纤细,小细刺的种是在亚洲热带里的广布的,并且将在中国南方里在别处被期望。

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6、

china in the last century the mid-90's research and development of acid ester.

我国在上世纪90年代 中期 开始研究开发柠檬酸酯.

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7、

"the devil's aim is to tire you, to trip you, to make you fall. " [ibn arabi]

魔鬼的目的就是去使你疲倦,使你失足,使你堕落。

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8、

the secretary general nabil al-arabi said that the government in damascus had agreed to his trip.

秘书长Nabilal-Arabi称,大马士革政府已经同意了他的访问。

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9、

nabil al-arabi has said that he will be going to damascus to listen, but he will also be carrying a critical message.

Nabilal-Arabi称,他到大马士革主要是为了倾听,但是也会传达一条重要的消息。

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10、

ibn 'arabi (1165-1240) was one of the great mystics of all time.

伊本阿拉比(1165年至1240年)是所有时代的伟大的神秘主义者之一。

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11、

mr al-arabi said the reform package he discussed in damascus will now be put to the council of the arab league on monday.

阿拉比先生说,他在大马士革讨论的一揽子改革方案将在周一提交给阿拉伯联盟理事会。

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12、

Application summary on molten salt heating and production technology of flakes with falling-film evaporation of Bertrams Chemical Plants

瑞士伯特拉姆斯公司熔盐加热、降膜蒸发生产片碱技术应用总结

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13、

[ Objective] To establish a method for simultaneous determination of protopine, berberine hydrochloride and tetrahydropalmatine in Yuanhuzhitong ( Rhizoma corydalis analgesic) tablets.

[目的]建立同时测定元胡止痛片中原阿片碱、盐酸小檗碱、延胡索乙素含量的方法。

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14、

The demineralized water is prepared from the inverse penetration freshwater by using ion-exchange resin. The utilization of high purity fresh alkali instead of industrial lye can save the regeneration cost by 80%, and what is more, it greatly decreases the regeneration cycle.

以反渗透淡水为水源,采用离子交换法制备脱盐水,用高纯度片碱取代原工业液碱作再生剂,实现再生费用节约80%,再生频率也大幅下降。

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15、

the risks have six characteristics, such as diversity, momentousness, relativity, changeability, predictability, long periodicity, collectivity and regularity.

风险有多样性和重大性、相对性、可变性和可测性、长期性、整体性及规律性六大特点。

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16、

Operating summary of 50 kt/ a ion-exchange-membrane slice caustic soda production device

5万t/a离子膜片碱装置运行总结

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17、

Far away on the extreme verge of the alkali plain there rose up a little spray of dust, very slight at first,

在这片碱地遥远的尽头,扬起了一股烟尘。最初很轻,远远看去,

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18、

Sodium silicate was obtained from the reaction of flake caustic soda with quartz at 720~ 800 ℃ for 0.6 h.

片碱与石英在720~800℃反应0.6h时合成水玻璃;

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19、

A study on the structure of protopine acetate

原阿片碱盐酸盐的结构研究

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20、

The influence on quality of flake soda that caused by the extra build up of chlorate in brine, and the measures on decreasing chlorate contents were introduced.

介绍了盐水中氯酸盐积累过多对片碱质量的影响及降低氯酸盐含量的措施。

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