单词：fluorescent whitening agents
fluorescent whitening agents的用法和样例：
例句
- Research progress in the preparation of bis-triazinylamino-stilbene derivative liquid fluorescent whitening agents is reviewed.综述了双三嗪二苯乙烯型液体荧光增白剂制备的研究进展。
- The main distyryl benzene fluorescent brighteners and the synthetic procedures for the representative products are reviewed.摘要综述了二苯乙烯基苯类荧光增白剂的主要品种及一些代表品种的合成工艺。
单词：fluorescent whitening agents 相关文章
news sporlight [00:01.02]新闻聚光灯 [00:02.04]Macao's Chief Executive ,Edmund Ho,has meet top mainland officials for a progress report in a lead up to the territory's handover anniversary on Wednesday . [00:06.67]在澳门回归一周年前夕，澳
零距离李阳疯狂英语口语
Well you heard it here first, getting delayed at the airport? could be the best thing that happens to you this holiday season, yeah, you heard me right. Forget about camping out by your gate and sitting in the chair, you can do just about anything at
万花筒2007年
万圣节就快要到了，哈皮和毛拉的万圣节，他们是怎么过的呢，穿着奇异的服装，去邻居家里要糖果，是不是很有趣呢？ Harp: So, Halloween is celebrated on October thirty first (31st). Always the same day rega
话匣子英语
Could you introduce some whitening products for me? Please forgive me just being frankly, madam. You don't need whitening products because you look pretty white. But you have freckles on your face. Then what kind of product can fade freckles? I recom
英语口语900句
Nobody likes to crash and burn. Some meltdowns, however, wise us up to new possibilities. Columnist Leigh Newman reveals the most illuminating. 1. The Everything's Fine Failure Let's say you lose the job you've had for the past 20 years. In fact, let
英语小短文
NB: This is not a word for word transcript Yvonne: Hello, I'm Yvonne Archer and this is 6 Minute English. Today, I've been joined by Alice. Hi Alice! Alice: Hi Yvonne! Yvonne: Now Alice, everyone seems to have something to say about estate agents or
六分钟英语
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? The Nobel Prize in chemistry goes to three men who revolutionized molecular life science, Japans Osamu Shimomura and Americans Martin Chalfie and Roger Tsien. They dev
Scientific American(十)月
AS IT IS 2016-07-05 Ghana Women in Business 加纳经商的女人们 In Ghana, some people believe certain jobs are only for men. But some Ghanaian women are starting to do traditionally male work, such as carpentry or jobs that require physical stre
2016年VOA慢速英语(七)月
DAVID GREENE, HOST: So the FBI is this nation's top law enforcement agency. But it has come under attack from President Trump and his allies. And that has current and former FBI officials worrying about the toll this might take on the bureau's abilit
2018年NPR美国国家公共电台1月
Science and Technolgy. 科技。 Photoelectric cells. 光电池。 To dye for. 染料光电池。 A new type of cell may bring solar energy indoors. 一种新型电池有望将太阳能引进室内。 THE phrase indoor solar power sounds like an oxym
经济学人科技系列
Agents Say JFK Assassination Transformed Secret Service DALLAS The assassination of President John F. Kennedy on November 22, 1963, stunned the world. President Kennedys death put the Secret Service on the defensive. It's the organization that protec
VOA常速英语2013年(十一月)
With electricity costs rising -- along with global-warming guilt -- consumers across the country are struggling to wean themselves from the A/C. It remains to be seen whether they'll take a cue from Marilyn Monroe in 'The Seven Year Itch' and stash t
阅读空间
Millions of people around the world celebrated Earth Day Friday by pledging to commit personal acts of green to improve the environment(环境). This is the 41st anniversary of the first Earth Day, observed in the United States in the aftermath of a
英语新闻
It may be a la mode to create lighter versions of our favourite snacks but one company has taken the trend rather literally. 创意美食，点亮生活。不过，一家公司当真做到了把那些最受人们欢迎的副食点亮了。 The world'
英语新闻
U.S. Agents Fire Tear Gas At Migrants Trying To Cross Mexico Border RACHEL MARTIN, HOST: In the early hours of the new year, American Border Patrol agents fired tear gas into Mexico. They say they were aiming at about 150 people who were trying to br
2019年NPR美国国家公共电台1月
Villagers，2008年在都柏林成立，首张专辑就获得2010年英国水星奖。他们的歌词以黑暗著称。 这是一支强劲的新生力量，《纽约时报》记者将他们和U2、Leonard Cohen相提并论。 27 Strangers Villagers T
天籁音乐
夏天到了，很多人都怕晒黑。但是英语里晒黑、皮肤黑可不是black，而白也不是white。快跟Jenny和Adam学习正确的说法吧！ Black And white形容种族 先说一下，black and white可以形容肤色，但是形容种
美国文化脱口秀
Housing 楼市 Modest plans 温和战略 The government goes back into housebuilding 政府重回地产建设 WHEN George Osborne is spotted outsideWestminster, he is very often making an appearance on a building site, wearing a fluorescent safety ja
经济学人商业系列
You see, the autistic mind tends to be a specialist mind 自闭症患者通常都是有特别的心智的 good at one thing, bad at something else. 她们往往在某一方面做得很棒，在其他方面做得很糟 And where I was bad was algebra.
TED演讲教育篇