• 罗地亚佩列沙茨半岛葡萄园陡峭斜坡上当地葡萄酒生产者杜布拉夫卡•尔·科维说道葡萄酒永远在这里驻足了。

    Standing on the steep slopes of the Saints Hills vineyard on the Peljesac peninsula in Croatia, Dubravka Serkovic, a local producer, says wine has been made here "for ever".

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  • 大学位,这里人口大约10万英国西南部重要商业中心

    The University of Exeter is located in the City of Exeter, which is the commercial center of south-west Britain with a population of 100,000 people.

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  • 方法:以庚二酸单乙酯原料,氯化、酰化、还原、水解、缩合氧化反应合成曲司结果曲司总产率为5 0 .7%。

    Methods and results:Through acylation, Friedel Crafts reaction, reduction, hydrolysis, condensation and oxidation, the title compound was prepared with a total yield of 50.7%.

    youdao

  • 方法:以庚二酸单乙酯原料,氯化、酰化、还原、水解、缩合氧化反应合成曲司结果曲司总产率为5 0 .7%。

    Methods and results:Through acylation, Friedel Crafts reaction, reduction, hydrolysis, condensation and oxidation, the title compound was prepared with a total yield of 50.7%.

    youdao

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