A method of synthesis of n-butyl acetate catalyzed by zinc sulfate has been developed.

  • 用硫酸锌催化,乙酸和正丁醇合成乙酸正丁酯.
  • 来源:互联网摘选更新时间:2025-01-18 16:55:53

  • 重点词汇
  • byprep. 在…旁边;表示方式;由于;经过;到…之前;
  • n-butyl正丁基;
  • methodn.方法;有条不紊;
  • aart. (用于可数名词或单数名词前,表示未曾提到的)一(人、事、物);用于前有形容词或后有短语的不可数名词前;一(个);每一(个);任一(个);
  • has been已经;
  • zinc sulfaten.硫酸锌;
  • catalyzedv.催化,促进( catalyze的过去式和过去分词 );
  • ofprep. 关于;属于…的;由…制成;
  • acetaten.醋酸盐;醋酸酯;醋酸纤维;醋酸人造丝;
  • developedadj.先进的;发达的(国家或地区);
  • 相关例句
1、

The technological conditions of the preparation of zinc sulfate with smithsonite as raw materials was reported.

本文报道了用菱锌矿作原料,制备硫酸锌的工艺条件.

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2、

Results ACEI caused the damage of salt taste and bitter taste Zinc sulfate could treat it.

结果肾素血管紧张素主要导致咸味和苦味损伤,硫酸锌对此有治疗作用.

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3、

Zinc sulfate solution with high cobalt concentration was used to study the mechanism of cobalt removal.

采用高浓度钴离子的硫酸锌溶液,研究锌粉置换除钴机理.

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4、

The zinc-iron alloy electroplating technology in zincate solution by pulse current was investigated.

介绍了在锌酸盐溶液中脉冲电镀锌 - 铁合金工艺.

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5、

Tin compound was coated on the surface of the calcium zincate by chemical deposition.

采用化学沉积法在四边形锌酸钙表面包覆一层金属锡化合物.

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6、

Forecast according to analyst, zincic shortage will be entered continuously 1998.

据分析家猜测, 锌短缺将持续进入1998年.

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7、

When your boss skips a few rules, he's being original.

当你的老板违反了一点儿规定时, 这是他的独创.

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8、

Zine finger proteins are important and typical Proteins for gene regulation.

锌指蛋白是重要的、典型的基因调控蛋白.

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9、

Kehr skips well.

凯尔跳绳跳得很好。

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10、

How to increase your e-zine and web siteeadership!

如何增加你的电子杂志和网站读者!

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11、

When d é j à vu occurs, an experience skips going into your short-term memory.

既视感发生时, 某个经验省略了进入 短期 记忆的阶段.

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12、

SEO search engine rankings. E-zine. Baidu Google promotion. Yahoo to promote international English.

SEO搜索引擎排名. 电子杂志. 百度谷歌推广. 雅虎国际英文推广.

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13、

You can often scavenge nice bits of old furniture from skips.

从废物堆里往往能捡到一些挺好的旧家具.

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14、

How to boost your e-zine subscribers!

如何刺激你的电子杂志订阅!

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15、

No winter lasts forever ; no spring skips its turn.

冬去春来, 周而复始.

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16、

Allow people to provide your free online service to their web ore , visitors, or e-zine subscribers.

你让人们免费提供上网服务的网站访客或电子邮件锌订户.

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17、

He always skips from one subject to another.

他讲话总是喜欢东拉西扯.

《用法词典》

18、

SEO search engine rankings. E-zine. Baidu Google promotion. Yahoo international promotion. professional Web site production.

SEO搜索引擎排名. 电子杂志. 百度谷歌推广. 雅虎国际推广. 专业网站制作.

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19、

Every time the record comes to that part of the music, the needle skips.

每当唱片转到音乐的那一部分, 唱针就会跳过去.

词典精选例句

20、

Trace elements zine and chromium have close relationship to the sufferance of diabetes mellitus.

微量元素铬、与糖尿病有密切的关系.

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