概述了糠酸甲酯的性质、香气特征和应用,通过康尼查罗反应和酯化反应合成了糠酸甲酯。
The properties, aroma characteristics and application of methyl-furoate were discussed. Methyl-furoate was synthesized by Cannizzaro reaction and esterification.
介绍了以甲醛、丙醛为原料,水为反应介质,碱催化进行交叉康尼扎罗反应制备三羟甲基乙烷的方法。
A method of preparing trimethylolethane from formaldehyde and propionic aldehyde in water was introduced in the presence of the base through cross Cannizzero reaction.
亲爱的读者,遇到一只没有被皮带栓住的罗特威尔犬。你会怎么反应?
You, dear reader, encounter a Rottweiler, not on a leash but loose. How do you react?
“嗯。”梅德罗克太太嘟囔着,盯着她那张古怪的、没有反应的小脸。
"Humph," muttered Mrs. Medlock, staring at her queer, unresponsive little face.
“你必须要有一些反应”,罗伯说:“你可以说:‘我明白你喜欢做这些,但这要付出什么代价’?”
"You have to provide a reflective voice," Robb says. "you can say, 'I understand your love for this, but what are the costs?"
推特首席实施官员迪克·卡斯特罗与之意见不相伯仲,他认为人们通常用它来搜索,产品发布的第一反应。
Dick Costolo, Twitter's chief operating officer, disputes this, arguing that people often use it to search for, say, immediate reactions to product launches.
2006年,多纳托·蒙塔纳罗20多年前移植的一片右眼角膜开始出现排斥反应,于是被送进急诊室。
In 2006, Donato Montanaro Jr. 's right eye began rejecting a cornea transplant from more than 20 years before. He rushed to an emergency room.
夏皮罗在麻省理工大学拿到了博士学位,在那里,他发明了无创成像技术,用以观察大脑里的化学反应。
Shapiro then earned a PhD at MIT, where he developed a noninvasive imaging technology for observing chemical messengers in the brain.
尽管罪行可怖,但罗森博格极度的情感反应还是令人意外。
Though the crime was horrific, Rosenberg's deeply emotional reaction was surprising.
夏皮罗委员会称,IPCC不仅需要更清楚的原则,更透明的程序,而且要反应更积极。
The Shapiro committee says that as well as having clearer rules and more transparent procedures, the IPCC needs ways of being more responsive.
在这段长达10分钟的录像里,卡斯特罗一直站立着,他反应敏捷,还饮用了果汁。
Castro stood, appeared alert and was shown drinking juice in the 10-minute video clip.
麦克罗里最后警告那些“醉酒之后绝对必须攻击鳄鱼”的醉鬼们:首先确保面对的鳄鱼不像约翰迪尔鳄鱼系列货物多功能车那样反应敏捷雄壮无比。
And McCrory warned drunkards who "absolutely must assault an alligator while inebriated" to first make sure it is not a John Deere Gator cargo utility vehicle.
“你必须要有一些反应”,罗伯说:“你可以说:‘我明白你喜欢做这些,但这要付出什么代价’?”
"You have to provide a reflective voice," Robb says. "you can say, 'I understand your love for this, but what are the costs?"'
布隆·夫曼的基金会的特别项目主任罗杰·班尼特(Roger Bennett)说:“就北美人而言,(针对以色列,)应该有着比对危机做出反应更有意义的事情做。”
"There has to be something better for North Americans to do [with Israel] than respond to crisis," says Roger Bennett, director of special projects at the Bronfman foundation.
奥尔罗继续说:“我想可能是缺少某种化学反应吧,但我不知道是不是真是这样。”
Arlo continued: "I guess it's a lack of chemistry — but I don't even know if that's right."
但一些民选官员对班加罗尔事件作出的反应是指责西式装束,而不是指责攻击者。
But some elected officials reacted to the events in Bangalore by pointing the finger at Westernizing customs rather than the assailants.
乳糜泻的病人是由于对谷蛋白的反应而引起小肠炎症,然而目前还没有明确的自身抗原导致克罗恩病。
Celiac patients develop an inflammation of the small bowel in reaction to gluten, whereas there is no specific known autoantigen for Crohn's disease.
对埃罗替尼治疗的反应率,仅在肿瘤组织中存在变异的患者和那些肿瘤和血浆中均存在变异的患者是相似的(67%)。
The response rate to erlotinib therapy was similar in patients with tumor-only mutations and in those with tumor and serum mutations (67%).
“照片首次出现在社交媒体上时,每个人的第一反应都以为她是个模特,”贝罗解释称。
"When the photographs landed for the first time on social media, everyone immediately thought she was a model," Bello explains.
尼卡斯特罗试图证明自己观点的方法之一就是分析家猫的一套发声法,然后再测试人们对这些发声法的反应。
One way Nicastro is trying to prove that idea is by analyzing a range of vocalizations of domestic cats and then screening people's reactions to them.
由于罗琳很明白地说,是伏地魔杀死了詹姆,我想我们须为卢平的反应另外找个解释。
Since JKR clearly said that Voldemort killed James, I think we must look for other explanations for Lupin 's reaction.
在英国,官方强调,在墨西哥城飞往希西罗机场的班机航程中有类似感冒症状的乘客事后检测没有发现猪流感阳性反应。
In England, authorities stressed that a crew member who developed flu-like symptoms during a flight from Mexico City to Heathrow did not test positive for swine flu.
涉及该案的一些人对它的反应,前后判若两人,也说明了罗裁决的复杂性及其后果。
The complexity of the Roe decision and its aftermath is illustrated by the changing responses to it by some of the people involved in the case.
西罗莫司用于在13岁及以上接受肾移植患者中预防器官排斥反应。
Sirolimus is indicated for the prophylaxis of organ rejection in patients aged 13 years or older receiving kidney transplants.
罗通定与卡托普利均无严重不良反应,但卡托普利组有2例因咳嗽频繁而停药。
But medication had to be stopped on 2 patients in the captopril group because of frequent cough.
罗通定与卡托普利均无严重不良反应,但卡托普利组有2例因咳嗽频繁而停药。
But medication had to be stopped on 2 patients in the captopril group because of frequent cough.
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