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2017年12月15日 10:40:39 | 作者:飞度资讯信息 | 来源:新华社
音乐家和创新家奥尼克斯·阿善堤演示了“节拍爵士”--他的音乐是由两个手持控制器,一个iPhone和一个吹口器组成,伴随着全身的表演。在TED全频谱试演上,在他的音乐节拍和循环锁定中,他演示了一个3分钟的歌曲,分享了他对音乐的未来展望。 Article/201501/352824This all happens in one step as the reaction is progressing这些都发生在反应的这一步中Here#39;s what#39;s happening发生的情况是这样This is the energy level of our reactants, A and B这是反应物A和B的能级When they react, they form C and D in its excited state它们反应时,生成C和激发态的DNow to relax back down to where it needs to be之后D必须返回到基态D emits energy as light于是D会以光的形式释放能量Now there#39;s a different amount of energy in our reactants than our products反应物和产物之间存在能量差异So that#39;s why these two energy levels are different所以这两个能级是不同的Alright, so in Dr. Dolhun#39;s experiment在Dolhun士的实验中each volunteer have a cup containing a different chemical每位志愿者都拿着装有不同化学试剂的烧杯and adds hydrogen peroxide to each cup将另一个烧杯中的过氧化氢加入其中And each cup glows a different color每个烧杯发出不同颜色的光red, blue, or green红色,蓝色,绿色This happens because the hydrogen peroxide is这是因为过氧化氢oxidizing each of the different chemicals氧化了每一种化学试剂So oxidation is the chemical reaction这里发生的化学反应是氧化反应that will ultimately cause the chemiluminescent最终导致了化学发光So why did each of these chemicals glow a different color?为什么不同化学试剂会发出不同颜色的光呢Well, it#39;s because they each emitted a different amount energy这是因为它们所释放能量的量不同and energy equals color而能量等于颜色So let#39;s think of it in terms of a rainbow spectrum我们以虹光谱来考虑这个So the amount of energy increases as you move up the spectrum能量的量随光谱往上会逐渐增加So red is lower energy than blue红光的能量低于蓝光So if the difference between the ground state and the excited state is small如果基态和激发态之间的差异较小there#39;s a smaller amount energy released释放的能量会较少and the light is on the redder side of the spectrum发出的光就会偏往光谱的红色方向Conversely if that gap is larger, there#39;s more energy released相反,如果能差较大,释放的能量较多so the light is on the bluer side of the spectrum发出的光就会偏往光谱的蓝色方向and this chemiluminescence chemistry has practical uses这种化学发光具有实际用途beyond glow sticks that light up a good party不局限于派对上使用的荧光棒We also use reactions like these to create flares that don#39;t get too hot我们还利用这样的反应来创造热量不高的闪光in use of emergency situations用于紧急情况and nature uses chemiluminescence too大自然也会使用这些化学发光Have you ever seen a firefly light up at night你们见过晚上飞舞的萤火虫吗or an angler fish hunt for prey?还有捕食猎物的琵琶鱼You#39;ve seen bioluminescence这些都是生物发光which is chemiluminescence in a biological system生物发光就是生物系统的化学发光It#39;s the exact same principle as the chemical reactions that Dr. Dolhun showed us这同Dolhun士所演示的化学实验是同一个原理Hope you enjoy the . I#39;ll see you next time但愿你们喜欢这个视频,我们下次再见 Article/201501/354237

Between them they covered the religious spectrum from hard-line Protestant to fanatical Catholic.他们信奉的宗教大不相同 一方恪奉新教 而另一方则是狂热的天主教徒And the road the country took after Henry,亨利死后国家的道路back to a Catholic past or forwards into a Protestant future,是重回天主教 还是迈向新教would depend, like never before,on the lottery of births, deaths and marriages.将前所未有地取决于 王储们生育 死亡及婚姻的弈When Henry died in 1547,he left 600 pounds to pay for two priests to say prayers for his soul forever.1547年亨利驾崩 他留给两位神父六百英镑 让他们永远为其灵魂祈祷You have to wonder how he apparently failed to notice that Edward had been educated by fervent Protestants你也许会想 他明显忽略了 爱德华从小接受狂热的新教徒的教导who obviously had no time for such superstitious nonsense.他显然不在乎异教徒无意义的迷信Led by Thomas Cranmer,they saw the nine-year-old boy king as a new Josiah,在托马斯·克兰麦的辅佐下 新登基的九岁小国王在人们心目中 俨若约西亚转世the Biblical king who had taken it as his mission to destroy idolatry.约西亚是《圣经》中将打破盲目崇拜 作为使命的君王Now this would be the real reformation.这将是场真正的变革For just look what happened in the six years of Edward#39;s reign.纵观爱德华统治的 这六年可以看出All the customs and ceremonies of the old Church,所有旧教堂的习俗和庆典the blessing of candles at Candlemas and palms on Palm Sunday were banned.圣烛节用的祈祷蜡烛 以及棕榈主日的棕枝尽皆被禁Away went the religious guilds and fraternities.宗教协会和修会也消失无踪了The Cults of Saints that had survived Cromwell#39;s attacks,在克伦威尔的攻势下 幸存的圣人崇拜along with their relics and their pilgrimages,were forbidden.连同举行的场所及朝圣之路 全部被禁And images, statues, stained-glass, paintings,were attacked with chisels and limewash.相关图案 雕刻 绘玻璃以及画作都毁于凿击和石灰浆 /201701/488267

Less than a month before almost 200 world powers are scheduled to discuss how to reduce world carbon emissions, China may have broken its own record for the most polluted atmosphere the country has ever seen.不到一个月世界近200个国家将讨论如何减少世界碳排放量,中国可能已经打破了自己环境最糟糕的纪录。State-run news agency Xinhua reported dangerous levels of particles smaller than 2.5 microns, known as PM2.5 pollution.官方新华社报道了颗粒直径小于2.5微米的危险水平,即所谓的PM2.5污染(可入肺颗粒物污染)。It’s one of the more dangerous forms of contamination because the particles are small enough to go deep into your lungs and find their way into the bloodstream, which can cause heart disease, emphysema and even cancer.这是一种更为危险的污染形式,因为颗粒足够小可以深入到肺部并且流入血液,可能会导致心脏病、肺气肿甚至癌症。The World Health Organization recommends maximum PM2.5 levels of 35 micrograms per cubic meter, but ings spiked as high as 1,400 micrograms in the northeastern part of the country.世界卫生组织建议最大的PM2.5水平是每立方米35微克,但在中国北部地区其水平已达到1400微克。The jump in smog could be due to cold weather. Most of the country still burns coal to power heating systems, and that throws a lot of pollution into the air.寒冷的天气可能是造成雾霾加剧的原因。中国大部分地区仍然是烧煤供暖,这给空气造成了很大污染。But heating their homes could come at a steep price for the Chinese people. Several hospitals#39; respiratory wards became packed with patients, and government officials warned citizens to stay inside.中国家庭供暖可能付出了更为昂贵的代价。几家医院的呼吸病房挤满了病人,政府官员提醒市民待在室内。This news comes on the heels of a U.S. Energy Information Administration report that said China had underreported its coal usage by 14 percent since 2000.新闻紧随着美国能源信息的报告,称自2000年以来中国煤炭使用量少报了百分之14。But even with the increased scrutiny on China’s emissions, the country still may not be inclined to decrease production any time soon. Chinese officials promised to peak the country#39;s emissions by 2030, which is basically another way of saying they don’t plan on slowing down for the next 15 years.尽管增加了对中国排放量的监督,但其仍没有任何倾向减少生产。中国官员承诺2030年达到峰值排放,但基本上是他们不打算在接下来的15年里放缓速度的另一种说法而已。译文属。 Article/201511/409157

Hi, Chris. Hi.你好 克里斯 你好How are you?你好吗 Como estas? Estoy bien.你好吗 我很好[译注: 西语]Christopher Taylor is helping to answer this question.克里斯托弗·泰勒可以帮忙回答这个问题Chris is autistic克里斯有自闭症and lives in a care home in North Yorkshire.生活在北约克郡的一个护理中心Despite being reliant on others for so many things in his life,虽然他在生活上很多事情都要依赖他人in one way Christopher is unique.但从某种方面说他是独一无二的While he doesn#39;t like talking to people very much,虽然他不是很喜欢与人交流he can speak more than 20 languages including Welsh,但他会说二十多种语言 包括威尔士语Berber, Arabic and Icelandic.柏柏尔语 阿拉伯语 冰岛语Espanol y que otra lengua?西班牙语和其他语言[译注: 西语]Que pasa aqui?这里会发生什么[译注: 西语]How do you say zapatero in English?;zapatero;用英语怎么说Shoe maker. Shoe maker, that#39;s right.鞋匠 鞋匠 对了Language expert Gary Morgan语言专家加里·根has been working with Christopher for more than ten years.研究克里斯托弗有十多年了When I first used to talk to Christopher我刚开始和克里斯托弗交谈的时候and watch the way he plays with language,看到他以语言为消遣的样子the way he uses language, it was amazing.以及使用语言的方式 很惊讶I#39;d never seen anything like it.之前我从未见过这样的事Ok, I#39;ve got some other papers here. Chinese.我还有一些其他的报纸 中文的 Article/201412/347695

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