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呼和浩特第一人民医院男科医生玉泉区妇幼保健人民中医院网上预约Doctors from the Children#39;s Hospital of Philadelphia have invented an artificial womb to support critically premature babies, according to a study published in Nature Communications.根据一项发表在《自然通讯》上的研究显示,费城儿童医院的医生们发明了一种可以维持重度早产儿发育的人造子宫。In their experiment, six premature lambs were placed in artificial wombs immediately after caesarean deliveries at the equivalent of 23 weeks human gestation.在实验中,6只相当于人类期23周的早产小羊在剖腹产之后被立刻放入人造子宫。In the biobag, the lambs were immersed in a substitute amniotic fluid containing nutrients and chemicals designed to stimulate growth.在这种生物袋里,这些小羊被浸入到含有养分和化学物质的替代羊水中以促进发育。While floating inside the transparent plastic vessel - in some cases for four weeks - the lambs appeared to develop normally, transforming from bald, pink fetuses into fleecy, white newborns.在这种透明塑料容器中漂浮的过程中,这些小羊似乎正常发育了(有些情况下只需4周),从光秃秃、粉嫩嫩的胎儿变成了毛茸茸的白色新生羊羔。Doctors said that the pioneering approach could radically improve outcomes for human babies born so early that they cannot breathe, feed or fight infection without medical help.医生们称,这种开创性的方法可以彻底改善人类早产儿不经医疗辅助就无法呼吸、进食、抵抗感染的状况。;If we can support growth and organ maturation for only a few weeks, we can dramatically improve outcomes for extremely premature babies,; Alan Flake, a foetal surgeon at the Children#39;s Hospital of Philadelphia (CHOP) and lead author said.费城儿童医院的胎儿外科医生、该研究的首席作者艾伦·弗莱克表示:“如果我们能在胎儿发育和器官成熟方面提供几个星期的帮助,那么我们就能极大的改善早产儿的情况。” /201705/508873内蒙古附属医院看男科怎么样 One of my earliest memories is sitting on my grandfather#39;s shoulders, waving a flag as our astronauts returned to Hawaii. 我最早的回忆之一,就是我坐在祖父的肩头上,挥舞着小旗子,迎接宇航员们返回夏威夷。This was years before we#39;d set foot on the moon. Decades before we#39;d land a rover on Mars. A generation before photos from the International Space Station would show up in our social media feeds.在那之后,又过了几年,我们才成功登月;又过了几十年,我们才向火星上发射了一台登陆器;又过了一代人的时间,国际空间站拍摄的照片才得以出现在社交媒体上。I still have the same sense of wonder about our space program that I did as a child. 而时至今日,我对太空项目的惊奇之心仍与童年时无异。It represents an essential part of our character -- curiosity and exploration, innovation and ingenuity, pushing the boundaries of what#39;s possible and doing it before anybody else. 它代表了人类性格中至关重要的一部分——好奇心和探索精神,创新精神和巧妙的技艺,不断挑战可能性的极限,并争先恐后地去实现它。The space race we won not only contributed immeasurably important technological and medical advances, but it also inspired a new generation of scientists and engineers with the right stuff to keep America on the cutting edge.我们赢得了这场太空竞赛,不仅对科技和医学的进步做出了巨大贡献,还激励了新一代的科学家和工程师,让美国始终走在时代前列。That#39;s one of the reasons why, in my first address as President to the American people, I vowed to return science to its rightful place. 因此,在我首次以总统身份向美国人民发表致辞时,我曾发誓说,要让科学发挥其应有的作用。In our first few months, my administration made the largest single investment in basic research in our history, and I went to the Kennedy Space Center to call for reimagining and reinvigorating our space program to explore more of our solar system and look deeper into the universe than ever.在我任期的头几个月中,我们做出了迄今为止在基础研究上给出的最大一笔单项投资,我还来到了肯尼迪航天中心,呼吁大家一起使太空项目重新焕发生机,进一步探索我们的太阳系,并更加深入地研究宇宙。In the years since, we#39;ve revitalized technology innovation at NASA, extended the life of the International Space Station, and helped American companies create private-sector jobs by capitalizing on the untapped potential of the space industry.在那之后的几年间,我们重振了NASA的科技创新精神,延长了国际空间站的工作寿命,并向未开发领域的太空企业投资,帮助美国私营企业创造出了更多的工作机会。Last year alone, NASA discovered flowing water on Mars and evidence of ice on one of Jupiter#39;s moons, and we mapped Pluto -- more than 3 billion miles away -- in high-resolution. 仅仅在去年一年当中,NASA就实现了几大壮举:在火星上发现了液态水、在木星其中一颗卫星上发现了冰的迹象、还给距地球30亿英里(约合48亿公里)之遥的冥王星拍摄了高分辨率照片。Our space telescopes revealed additional Earth-like planets orbiting distant stars, and we#39;re pursuing new missions to interact with asteroids, which will help us learn how to protect the Earth from the threat of colliding with one while also teaching us about the origins of life on Earth. 我们的太空望远镜成功找到了一些围绕着遥远的星球运转的类地行星,我们还开展了一些与小行星有关的新任务,这将帮助我们更好地了解该如何保护地球、免遭小行星碰撞的威胁,其中一项研究还让我们对地球上的生命起源有了更好的了解。We#39;ve flown by every planet in the solar system -- something no other nation can say. 我们已经飞掠了太阳系中的每一颗行星,别的国家都不曾做到过这一点。And we continue to drive down the cost of space exploration for taxpayers.此外,我们还在不断降低太空探索的成本,减轻纳税人的负担。This week, we#39;ll convene some of America#39;s leading scientists, engineers, innovators and students in Pittsburgh to dream up ways to build on our progress and find the next frontiers. 本周,我们将在匹兹堡召集一些美国顶尖的科学家、工程师、创新人士和学生,一起设想我们该如何继续进步下去,并找到下一个挑战的目标。Just five years ago, US companies were shut out of the global commercial launch market. 仅仅五年以前,在全球商业火箭发射市场上,美国企业还被人拒之门外。Today, thanks to groundwork laid by the men and women of NASA, they own more than a third of it. 而如今,多谢NASA工作人员的兢兢业业,我们已经占领了全球市场的三分之一。More than 1,000 companies across nearly all 50 states are working on private space initiatives.在全美将近50个州里,已经有超过1000家企业正在开展私人太空探索工作。We have set a clear goal vital to the next chapter of America#39;s story in space: sending humans to Mars by the 2030s and returning them safely to Earth, with the ultimate ambition to one day remain there for an extended time. 为了翻开美国太空探索的新篇章,我们已经设立了一个清晰的目标:在本世纪30年代之前,把人类送上火星,然后再让他们安然无恙地返回地球;同时还要抱有更大的雄心壮志,有朝一日让宇航员在火星上停留更长时间。Getting to Mars will require continued cooperation between government and private innovators, and we#39;re aly well on our way. 要想实现火星之旅,政府和私营创新企业之间需要展开进一步合作,而我们已经在这方面着手努力了。Within the next two years, private companies will for the first time send astronauts to the International Space Station.在接下来两年内,私营企业将首次把宇航员送上国际空间站。The next step is to reach beyond the bounds of Earth#39;s orbit. 而下一步便是飞出地球的轨道。I#39;m excited to announce that we are working with our commercial partners to build new habitats that can sustain and transport astronauts on long-duration missions in deep space. 我在此怀着激动的心情宣布,我们正在与商业领域的合作伙伴联手,共同打造新的太空居所,供宇航员在深空中执行长期任务时维持生活和进行运输。These missions will teach us how humans can live far from Earth -- something we#39;ll need for the long journey to Mars.这些任务可以帮助我们了解,人类能在距离地球多远的地方生活——如果我们要开展前往火星的长途旅行,这些信息都是我们需要去了解的。The reporter who covered the moon landing for The New York Times, John Noble Wilford, later wrote that Mars tugs at our imagination ;with a force mightier than gravity.; Getting there will take a giant leap. 为《纽约时报》撰写了登月报告的记者约翰#8226;诺伯#8226;威尔福德后来写道,火星对我们的吸引力比地心引力还大。如果能到达火星,那将是一次巨大的飞跃。But the first, small steps happen when our students -- the Mars generation -- walk into their classrooms each day. 但在此之前,我们需要一步步地来。我们的学生每次迈进教室、学习知识,都是一次微小的进步,他们是火星一代。Scientific discovery doesn#39;t happen with the flip of a switch; it takes years of testing, patience and a national commitment to education.科学发现得来不易,它需要经历长年累月的测试和耐心、还需要整个国家对教育的重视。President Eisenhower knew this: In 1958, he devoted great resources to science and math education around the same time he created NASA. 艾森豪威尔总统就清楚地认识到了这一点。1958年,差不多就在他创立NASA的那段时间,他还向科学和数学教育领域投入了大量资源。And it#39;s why I#39;m proud that we#39;ve passed important milestones in STEM education. 正因为如此,我才因为我们在STEM教育(即科学、技术、工程、数学)中取得的成就而自豪。For the first time, more than 100,000 engineers are graduating from American schools every year, and we#39;re on track to accomplish my goal of training 100,000 excellent new STEM teachers in a decade.有史以来第一次,每年都有10万名工程师从美国的学校中毕业,而我们也正在实现我设定的、在十年内训练出10万名卓越的STEM教师这一目标。When our Apollo astronauts looked back from space, they realized that while their mission was to explore the moon, they had ;in fact discovered the Earth.; If we make our leadership in space even stronger in this century than it was in the last, we won#39;t just benefit from related advances in energy, medicine, agriculture and artificial intelligence, we#39;ll benefit from a better understanding of our environment and ourselves.当阿波罗号上的宇航员在太空中回望地球时,他们意识到,虽然他们的任务是探索月球,但他们实际上也发现了地球。如果我们本世纪能进一步确立太空探索在这个国家的领先地位,我们不仅能从相关领域、如能源、医学、农业和人工智能中大大受益,还能更好地理解我们的环境、以及我们自身,并从中受益无穷。Someday, I hope to hoist my own grandchildren onto my shoulders. 有朝一日,我希望也能让自己的孙辈坐在我的肩头上。We#39;ll still look to the stars in wonder, as humans have since the beginning of time. 我们仍会满怀好奇地凝视夜空中的繁星,就像人类自古以来做的那样。But instead of eagerly awaiting the return of our intrepid explorers, we#39;ll know that because of the choices we make now, they#39;ve gone to space not just to visit, but to stay -- and in doing so, to make our lives better here on Earth.但到那时,我们将不是等待勇敢的探险者从太空中归来,因为我们知道,由于我们现在所做的决定,他们前往太空并不是进行短期拜访,而是长期地停留——并通过这种做法,让地球上的生活更加美好。 /201610/472143和林格尔县肛肠最好的医院

呼和浩特市第一人民医院前列腺炎多少钱A sublime coincidence slipped by unnoticed last month. While audiences were thrilling to premieres of Tim Burton’s film Alice Through the Looking Glass, in which Alice steps into a strange world where everything is “contrariwise”, physicists in Hungary announced they had possibly found the key to an unseen portion of the universe.今年5月,一个令人叹为观止的巧合被世人忽视了。就在观众们为蒂姆#8226;波顿(Tim Burton)的电影《爱丽丝梦游仙境2:镜中奇遇记》(Alice Through the Looking Glass)兴奋不已的同时,匈牙利物理学家宣称,他们可能发现了通往宇宙不可见部分的钥匙。在《爱丽丝》一片中,爱丽丝进入了一个奇异的世界,那里的一切东西都是“反的”。The results, which are a talking point in laboratories the world over, are remarkable because they might point to the existence of a fifth fundamental force. The current model for nature’s physical laws allows for four forces: the electromagnetic force, the strong nuclear interaction, the weak nuclear interaction, and gravitation. A fifth would, literally, be a force for revolutionary change.匈牙利物理学家的研究结果正成为世界各地实验室的热门话题。这些成果之所以引人注目,是因为它们可能指向第五种基本作用力的存在。自然界物理定律的当前模型允许存在四种作用力:电磁力、强相互作用、弱相互作用和万有引力。毫不夸张地说,第五种基本力会成为一场革命性变革的推动力。In truth, a revolution is a little overdue. The reason is so-called dark matter, the hidden stuff that makes up more than 80 per cent of the mass of the universe. Astronomers know it is there because of the gravitational effect it exerts on celestial bodies, but it behaves differently from the matter that makes up the visible world.说实在的,革命来得晚了一些。原因在于所谓的暗物质,这种隐藏的物质占了宇宙质量的80%以上。天文学家知道暗物质的存在,因为它对天体产生了引力效应。不过,暗物质的行为方式与组成可见世界的物质大不相同。One way of investigating matter is to engineer collisions between particles, and then detect the particles that flutter out of the debris; this is how the elementary有一种研究物质的方法,是想办法让粒子相互碰撞,然后检测从残骸中飞出的粒子——这正是欧洲粒子物理研究中心(CERN)预言希格斯玻色子这种基本粒子的办法。为此,匈牙利核物理研究所(Institute for Nuclear Physics)的奥蒂洛#8226;克劳斯瑙霍尔考伊(Attila Krasznahorkay)用质子轰击锂同位素,产生了不稳定的铍原子核。这些铍原子核接着就像预期的那样,衰变成了以不同角度飞离彼此的电子-正电子偶。Higgs boson particle was conjured up at Cern. To this end, Attila Krasznahorkay at Hungary’s Institute for Nuclear Physics, fired protons at lithium isotopes, which produced unstable beryllium nuclei. These beryllium nuclei then decayed, as expected, into electron-positron pairs that flew away from each other at various angles.然而,不同寻常的是,这些电子-正电子偶似乎喜欢以140度角彼此散开。对此,最简单的解释是这一放射性衰变组合中有一种新的中介粒子。计算似乎表明,这种粒子的质量为17兆电子伏(MeV),大约是希格斯波色子的七千分之一。But, anomalously, these electron-positron pairs seemed to have a fondness for shooting away from each other at 140 degrees. The simplest explanation was a new, intermediate particle in the radioactive decay mix. Calculations suggested a mass of 17 megaelectronvolts (MeV), around 7,000 times lighter than the Higgs boson.尽管科学家曾预言过希格斯波色子的存在,但这种新的活跃粒子没有被预言过。出于这个原因,该团队在公诸于众之前用了三年时间检验自己的结果。正如爱丽丝在被红桃皇后(Red Queen)迷惑时的想法,这完全是一道没有的谜题。While the Higgs was forecast to exist, this new nimble particle was not. That is why the team spent three years checking their results before going public. It is, as Alice muses while being bamboozled by the Red Queen, exactly like a riddle with no answer.有一种激动人心的可能性是,这种新粒子正是我们熟悉的物质世界与我们看不见的暗物质世界之间缺失的一环。有一种理论认为,新粒子是一种“暗光子”,是一种可能与暗物质有关的尚不为人知的作用力的载体。由加州大学欧文分校(UCI)的冯孝仁(Jonathan Feng)领队开展的重新分析,并不完全持这种“暗光子”的提议,但确实持新粒子代表在超短程作用的第五种力的构想。One exciting possibility is that the new particle is a missing link between our familiar world of matter and the unseen world of dark matter. One theory is that it is a “dark photon”, the carrier of an as yet unidentified force that might be connected with dark matter. A reanalysis led by Jonathan Feng at the University of California, Irvine, does not quite support the “dark photon” suggestion but does back the idea that it represents a fifth force operating over super-short distances.这一发现也引起了“暗光”(DarkLight)项目实施者的好奇心。他们正在探索包括暗物质和暗能量在内的“黑暗地带”,目前正在寻找10到100兆电子伏之间的暗光子。如今,他们重点关注17兆电子伏,试图揭开相同粒子的面纱。The finding has also piqued the curiosity of those on the DarkLight project, who are exploring the “dark sector” (both dark matter and dark energy), and are looking for dark photons at between 10 and 100 MeV. They will now target 17 MeV as a priority, in an attempt to unmask the same particle.如果说这种确认将令人兴奋不已,那就说得太轻了。物理学理论也许十分优美,然而它们并不完善,只能解释可观测宇宙的一小部分。发现一种横跨可见物质世界和不可见暗物质世界的新粒子,会开辟物理学的新天地。To say that confirmation would be thrilling is an understatement. The theories of physics may be elegant but they are incomplete, capable of explaining only a small fraction of the observable universe. To uncover a new particle that straddles our visible world and the invisible world of dark matter would unlock a new realm of physics.即便如此,对于我们已知存在于宇宙中的事物,可见物质和暗物质加起来也只能解释不到一半。最大的组成部分据信是暗能量,而暗能量反而可能与暗物质毫无关系。我们了解得越多,真相就越发吊诡。那位自傲于能在早餐前相信六件不可能的事的白皇后,必然会开心地拍起手来。 /201608/459318呼和浩特首大生殖医院收费好不好 内蒙古医学院附属医院治疗女性不孕多少钱

呼市看泌尿科怎么样Meitu, the Chinese company behind that viral selfie app that may or may not take all your personal information, just released the M8 and upgraded Meitu T8.美图,这家公司有一款火到爆的自拍APP(这个APP可能也可能没有获取你的所有个人信息),它可能也可能没有获取你的所有个人信息;它刚刚发布了(新手机)M8,并且升级了T8.The company’s phones are known for letting its users take the most extra selfies, as seen on Ashley’s review here, where she says it gave her “baby skin.”这款手机会让用户体会到非凡的自拍体验。用户阿什利说该手机让她拥有了“婴儿般的肌肤”And it’s definitely equipped to do so — the Meitu M8’s front-facing camera is a 12-megapixel Sony camera, with a 21-megapixel Sony rear-facing camera. It also has a 5.2-inch display, 4GB of RAM, a Helio X20 processor, and a 3,000mAh battery.美图M8配置有索尼前置1200万像素摄像头,以及索尼后置2100万像素摄像头,5.2寸屏幕,内存4G,采用Helio X20处理器,以及3000毫安电池。But let’s get to the real reason why we’re here. Meitu knows the audience for these selfie phones, and it’s the people who appreciate good design.让我们来看看美图的优势在哪里。作为自拍手机大军中的一员美图为那些喜欢设计感的群众所熟知。That includes me and Chinese superstar Angelababy, who’s helping launch the Sailor Moon Pretty Soldier Edition of the phone.美图的粉丝中,包括我还有中国明星女演员杨颖(Angelababy),她也参与此次限量版水兵月手机的面世。Based on the explosive response to this phone, I hope Meitu decides to release this phone in the US as well. Meitu’s also releasing the phone in other colors like blue, red, white, pink, and a special Hello Kitty Edition of the phone:现在这款手机反响热烈,我个人强烈建议在美国也发行。美图发行的手机有其他颜色,蓝色、红色、白色、粉色,还有凯蒂猫版。The phones will go on sale this Friday at noon on the official website for ¥2999 (around 5), and only 10,000 units will be available.水兵月限量版手机本周五中午在官网开售,售价在2999元人名币(约合435美金),库存只有10000台。 /201705/509198 呼和浩特妇幼保健医院治疗附件炎多少钱呼市253医院治疗宫颈肥大多少钱




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