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Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.

同时利用所成的3,14,16为模板,对它们的3羧基行了酯反应成了4酯类22—25。

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Eighteen 8 aminoquinoline 5 azo derivatives were synthesized,eleven of them are new compounds.Their colour reaction with cobalt was studied.

以8-氨基啉为母体成了185-偶氮衍生,其中11是新

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当月 CNN 10 学生英语 2019年11月合

They range from below zero measurements in Nebraska and Iowa to single digit temperatures in parts of Texas, North Carolina and Vermont.

温度范围从内布拉斯加州和爱荷华州的零下,到德克萨斯州、北卡罗来纳州和佛蒙特州的个位数值。

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CNN 10 学生英语 2018年5/6月合

Still, the share price has plunged to single digits.

但是,股价已经跌至个位数。

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一个叫欧维的男人决定去死

The assistant, a young man with a single-digit body mass index, looks ill at ease.

店员是个BMI指数个位数的年轻人,看上去有些慌

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畅学课堂

His father was a businessman, and his mother was a singer.

他的父亲是个位商人,母亲是个歌手。

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Newsweek

Throughout her candidacy, Gabbard experienced low polling numbers, most often in the single digits.

在她的整个竞选过程中,加巴德的民调数字很低,通常只有个位数。

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NPR音讯 2022年5月合

Yeah. The number of suspected cases in the United States remains in the single digits.

是的。美国的疑似病例数量仍然是个位数。

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AP 听力 2015年2月合

Around the US, dangerously cold airs are sending temperatures down to the single digits.

美国各地危险的冷空气把气温降到了个位数。

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中级英语短文

Japan-based Epson and local brand JMGO followed with single digit market shares.

总部位的爱普生和土品牌 JMGO 紧随其后,市场份额为个位数。

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经济学人(汇总)

Dr Schumacher reckons improvements of the performances of top-flight athletes on a bike or a running track are more likely to be in the single digits.

舒马赫博士认为,顶级运动员在自行车或跑道上的表现改善更有可能是个位数。

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NPR音讯 2017年11月合

But as we said, the damage was so much worse across the border in Iran - over in Iraq, I think single-digit death toll.

但是如我们之前所说,伊朗的受损程度比伊拉克严重得多,伊拉克的死亡人数是个位数。

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NPR音讯 2016年4月合

It's just very bad political judgment, and then little wonder that his popularity ratings are now going down to the single digits in Ukraine.

这是一种非常糟糕的政治判断,现在他在乌克兰的支持率下跌至个位数也不足为奇了。

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VOA Special 2022年4月合

The organization said in an email to Reuters that it added up to a " low single-digit percentage" of offshore wealth in Swiss banks.

该组织在发给路透社的一封电子邮件中表示,这些资金总额在瑞士各银行的离岸财富中所占比例只有“较低的个位数百分比”。

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PBS访谈社会系列

At its peak, in April, COVID-19 killed more than 500 people a day in New York. The number now is in the single digits.

在4月的高峰期,新冠病毒在纽约每天造成500多人死亡。现在的数字是个位数。

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纽约时报 (New York Times)

Mr. Srivastava said the disaster management authority had set a goal this year of keeping the death toll to single digits.

斯里瓦斯塔瓦说,灾害管理局为今年设定的目标是将死亡人数控制在个位数。

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CNN 精选 2015年1月合

From the Great Plains to the Deep South, temperatures dove to single digits yesterday, that's in Fahrenheit, too, blame the Arctic.

从大平原到南方腹地的气温昨天跌至华氏温度个位数,这都要归咎北极。

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经济学人-国际

Not much has improved since: the party's current poll ratings range between single figures and 13%.

该党目前民意调查的支持率在个位数和13%之间徘徊。

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BBC 听力 2020年4月合

South Korea has seen a single digit increase in daily coronavirus infections for the first time in two months.

韩国的冠状病毒感染人数两个月来首次出现个位数增长。

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PBS英语讯息

That's the lowest in 10 months. Fatalities have dropped to single digits in more than half of the states.

达到了10个月以来最低。美国半数以上的州的死亡人数已降至个位数。

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经济学人(汇总)

Total killings with guns are typically in the single digits each year, out of a population of 4.8m.

在480万人口中,每年用枪杀人的总数通常只有个位数。

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CNN 听力 2013年8月合

The rest register in the single digits, with a whopping 56 percent saying nobody or they don't know.

其余的人数在个位数, 高达56%的人称没有人或者他们不知道。

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