Eighteen 8 aminoquinoline 5 azo derivatives were synthesized,eleven of them are new compounds.Their colour reaction with cobalt was studied.
以8-氨基喹啉为母体合成了185-位偶氮衍生物,其11合物。
Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.
同时利用所合成的合物3,14,16为模板,对它们的3位羧基进行了酯反应合成了4喹诺酮酯类合物:合物22—25。
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Still, the share price has plunged to single digits.
但,股价已经跌至位数。
His father was a businessman, and his mother was a singer.
他的父亲位商人,母亲歌手。
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位数。
Yeah. The number of suspected cases in the United States remains in the single digits.
的。美国的疑似病例数量仍然位数。
They've had single digit temps or below for a full week.
这里的温度已经已经整整星期维持在位数甚至更低。
The assistant, a young man with a single-digit body mass index, looks ill at ease.
店员BMI数位数的年轻人,看上去有些慌张。
House-price in-flation on the Halifax measure was in the mid-single digits.
按照哈利法克斯的衡量标准,房价涨幅在位数中间。
Commuters in Chicago braved single digits, while parts of Upstate New York got record snow.
芝加哥通勤民众遭遇位数气温,纽约州北部部分地区遭遇创纪录降雪。
All of which was better than the control group, who were down near the single digits.
所有这些都比对照组好,后者的得分接近位数。
Throughout her candidacy, Gabbard experienced low polling numbers, most often in the single digits.
在她的整竞选过程中,加巴德的民调数字很低,通常只有位数。
Japan-based Epson and local brand JMGO followed with single digit market shares.
总部位于日本的爱普生和本土品牌 JMGO 紧随其后,市场份额为位数。
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位数。
At least two people have died, and temperatures dropped into single digits as far south as San Antonio.
至少有两人死亡,远至南部圣安东尼奥的气温降至位数。
Frigid cold air is expected across much of the country, with temperatures expected to reach only single digits.
强冷空气将横扫全国大部分地区,温度降降到位数。
South Korea has seen a single digit increase in daily coronavirus infections for the first time in two months.
韩国的冠状病毒日感染人数两月来首次出现位数增长。
The rest register in the single digits, with a whopping 56 percent saying nobody or they don't know.
其余的人数在位数, 高达56%的人称没有人或者他们不知道。
The Social Democrats, Greens and liberals all saw their share of the vote fall to single digits.
社会民主党、绿党和自由党都看到他们的选票份额下降到了位数。
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位数和13%之间徘徊。
That's the lowest in 10 months. Fatalities have dropped to single digits in more than half of the states.
达到了10月以来最低。美国半数以上的州的死亡人数已降至位数。
All other racial and ethnic groups were in the single digits.
所有其他种族和族裔群体均为位数。
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