the improvement of the cyclization step in the stepwise synthesis of calix[4]arenes

  • 逐步法合成杯[4]芳烃关环反应的改进
  • 来源:互联网摘选更新时间:2026-07-13 11:55:14

  • 重点词汇
  • step in干涉; 介入;进入; 涉足;
  • OFabbr.Old French 古法语;
  • stepwise synthesis分步合成
  • calixn.杯,盏,圣餐杯;
  • 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)
  • cyclizationn.环化(作用);成环;
  • ofprep. 关于;属于…的;由…制成;
  • improvementn.改善;改进之处;改善的事物;
  • 相关例句
1、

the orthogonal polynomial regression method of multi-wavelength radiation thermometry

多光谱辐射测温的正交多项式回归方法

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2、

application of orthogonal polynomial regression to rubber formulation experiment

正交多项式回归在橡胶配方试验中的应用

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3、

orthogonal polynomial regression design for interference elimination in atomic absorption spectrometry

消除原子吸收光谱分析中干扰效应的正交多项式回归设计

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4、

an artillery officer, three stars on his epaulettes, has come down from the mountain in order to train as an enumerator.

他是一位肩章上衔有三颗星的炮兵军官,长途跋涉下山来,训练成人口调查员。

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5、

two interior buttoned pockets, shoulder epaulettes with small eyelet like stitch detail.

两个内搞定的小方格,像针的小网眼肩肩章细节。

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6、

and although the workers' party of korea nominally controls the army, all those new epaulettes show which power structure counts.

名义上,朝鲜劳动党控制着军队,可从这些新颁发的肩章可以看出,哪一个权力结构真正有分量。

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7、

"you're a handsome gentleman, " he looked at the gold on my epaulettes, "captain. i suspect you are a ladies' man. "

“您是位体面的绅士,”他看着我肩章上的金线说,“一位上校,您一定很受女士们欢迎。”

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8、

satisfied, the kite returns to its perch and shows off the black epaulettes on its grey back.

白尾鸢满足的回到栖息处炫耀着它那灰色后背上黑色的肩膀。

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9、

worm-wheel hob design using case-based reasoning method

基于实例推理的蜗轮滚刀设计

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10、

development of conical surface double enveloping cylindrical worm wheel hob

锥面二次包络圆柱蜗杆传动蜗轮滚刀的研制

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11、

design of finger conical surface twice covered cylinder worm drive worm wheel hob

指状锥面二次包络圆柱蜗杆传动蜗轮滚刀的研制

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12、

every mother will receive one pink rose and one serving of aloe vera & bird's nest egg white pudding with wild berries.

每位母亲可获送粉红玫瑰一枝及芦荟燕窝奶冻一份。

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13、

duncan cheatle, founder of the supper club, a networking group for owners of high growth businesses

DuncanCheatle,晚餐俱乐部的创始人,为高增值行业的业主提供网络群组平台。

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14、

in october a london supper club had to cancel harry potter-themed events. the club held "generic wizard" nights instead.

10月,一家伦敦晚餐俱乐部被逼无奈,取消了哈利.波特主题的活动,而改为“巫师”晚会。

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15、

and abbey lincoln, the former subtly sensual supper-club singer, was transformed before my eyes into a blazing sojourner truth.

我也亲眼看到艾比林肯,前任俱乐部的歌手,怎样变成一个活跃的改革家。

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16、

the nine dragon wall in beijing

北京九壁

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17、

" in 1993, the country folk art exhibition on display at the " nine dragon wall " was to praise the " exhibition of the pressure to make.

在1993年全国民间艺术品展览会上展出的《九龙壁》,被先赞为“压展之作”。

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18、
19、

triple order tone is one of the order tones that has three short spurts of high tone.

三重阶音频信号是有三次简短高音爆发的蜂音信号之一。

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20、

the ordinary accident analysis of lifting machinery and its safety management

起重机械常见事故分析及安全管理

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