福州市做输卵管疏通哪家最好QQ共享

来源:搜狐娱乐
原标题: 福州市做输卵管疏通哪家最好养心报
When I was in my 20s,我二十多岁时I did some of the basic mathematics of black holes,对黑洞进行过一些基础演算but few people shared my fascination.但少有人与我志同道合These days, they are a popular subject.现今,黑洞成为流行的课题Physicists all over the world are studying black hole behavior.全世界的物理学家都在研究黑洞行为We now know that black holes现在我们知道黑洞are not only fascinating in their own right,不仅因它们自身的特点受到欢迎but that they play a还因为它们在星系形成过程中fundamental role in the formation of galaxies.起到至关重要的作用They also give us a glimpse of how the universe may end.同时让我们得以一窥宇宙可能的灭亡方式A black hole forms when a large star,当一颗比太阳大20倍的大恒星one say, 20 times the mass of our sun, comes to the end of its life.走向生命尽头时,黑洞就产生了Such a star looks nothing like our sun这样的恒星与太阳完全不同 because its become unstable,因为开始灭亡时convulsing violently as its death throws begin.它变得不稳定并剧烈震动Finally it runs out of fuel and begins to shrink,最终,它燃料耗尽,开始收缩getting denser and denser, hotter and hotter.密度越来越大,温度越来越高But with a star this massive,但对于如此巨大的恒星there is no force in the universe宇宙中没有任何力量capable of stopping the collapse.能够阻止恒星崩塌The core is so heavy that it just keeps on falling in on itself.内核太过沉重以至于不断坍缩Gravity is running wild.万有引力如脱缰之马In just 15 seconds or so,仅仅十五秒钟左右the unstoppable force crushes the star from这股无坚不摧的力量将此恒星直径millions of miles in diameter to as little as 12 miles in diameter.从数百万英里压至十二英里All the mass that was in the star is still there,恒星的质量没有发生改变but its own weight keeps但它自身的重量forcing it down smaller and smaller still.一直在迫使它变得越来越小The temperature of the core sores to 100 billion degrees.内核温度飙升至一千亿摄氏度The outer layers are blasted away in a massive supernova.恒星外层在剧烈的超新星爆炸中解体But deep in the center, the core falls down但在恒星中心深处,内核逐渐陷入what we call a gravitational well.所谓的重力势阱It crushes itself into a single point.它坍缩成一个点A black hole is born.黑洞便诞生了Nothing nearby can escape its pull,附近的一切都无法逃脱它的引力 not even light.甚至光也难以幸免Its hard to imagine just how dense a black hole can be.黑洞的密度大到人类难以想象But Ill try to put it into perspective using something familiar.但我要借用大家熟悉的事物进行深入剖析The Earth.地球201509/398703栏目简介:《英语视频之Top10》是英语视频听力下的子栏目,栏目包含中英字幕,而且能够了解世界上10大新奇或者有意思的事物,比如奇葩犯罪记录、科学骗局、邪恶老师等,通过简单有趣的讲述,能够提高学习英语的兴趣,积累一些英语知识,是比较生动的英语学习材料。201510/402172

英语非常道 第4期:锐词发布-给力 微笑 神马都是浮云英语这样说(下)201507/385179

Tribes and little kingdoms are coalescing into larger units, ones that will eventually become the nation states that we know today. England, Scotland and Denmark on one side, Japan and Korea on the other. For all these countries, these are the critical centuries.部落与小国联合起来,形成如今我们熟悉的大国。其中一端是英国与丹麦,另一端则是日本与新罗。对这些国家来说,这几个世纪是他们历史上的关键点。Lying between north-east China and Japan, the Korean peninsula was, like England at the same date, fragmented by competing kingdoms. In 668, the southernmost kingdom, Silla, with the backing of China-then, as now, the regional superpower-conquered its neighbours and imposed its rule from the far south to quite a bit north of what is now Pyongyang. It never controlled the far north, but the unified Silla kingdom for the next three hundred years ruled most of what is now Korea from its imperial capital in the south, Kyongju, a city splendidly adorned with grand new buildings.朝鲜半岛地处日本与中国东北之间。同英国一样,当时这里也分成了许多相互征战的小国。公元668年,最南端的新罗国在中国唐朝政 府的持下吞并了半岛上的其他国家,将自己的疆土从最南端扩张到了 北部今平壤一带。它的势力从未涉及半岛的最北端(与今日中国接壤的部分),但在接下来三百年的时间里,这个统一的新罗国从自己位于南部 的首都庆州发号施令,统治着今日朝鲜与韩国的绝大部分疆土。庆州兴建了许多豪华的新建筑,城市被装扮得极为华丽。The object in this programme is a roof tile that comes from one of those new buildings, in this case a temple, and it tells us a great deal about the achievements and the apprehensions of the young Silla state.大英物馆所藏的这片陶瓦便来自当时这些新建筑中的一幢。它曾是一座庙宇的屋瓦,向我们讲述了公元七百年左右,年轻的新罗国的成就与忧惧。Ive got the tile in my hand now. Its about the size of a large old-fashioned roof slate, so just under a foot (30 cm) square, and its made of heavy cream-coloured clay. The top and the sides are edged with a roughly decorated border, and in the middle of the tile is a fearsome face looking straight out at me.瓦当的大小类似于大的老式石板瓦,略小于三十厘米乘三十厘米,用乳黄色的黏土制成,顶部和两边都有装饰粗糙的瓦缘,中间是一张可怕的脸,直直地望着我。201510/403596Perhaps their capabilities would only be limited也许他们的能力只会by how much power they could harness and control.受到所掌控能源多少的限制And that could be far more than we might first imagine.那有可能远远超出我们的预料For example, it might be possible to collect the energy from an entire star.比如,也不无可能从一整颗恒星上收集能量To do that, they could deploy millions of mirrors in space,为此,他们可以在太空中安置无数面镜子encircling the whole sun and feeding the power to one single collection point.环绕整座太阳,并将其能量汇集到一处Such power might make it possible如此惊人的能量也许能够to walk the very fabric of space改变时空结构and create a portal called a wormhole.并形成一个虫洞时空隧道This portal would act like a shortcut,这条通道会成为一条捷径allowing them to travel huge distances in the blink of an eye.让外星人能在瞬间穿越漫长的距离Like us, they would probably have evolved from像我们一样,他们也许也是从a species used to exploiting whatever it can.开采周围一切能源的物种进化而来So, if aliens ever visit us, I think如果外星人有朝一日前来拜访我们the outcome would be much as when我认为结局会非常类似Christopher Columbus first landed in America,克里斯多弗·哥伦布初次登陆美洲which didnt turn out very well for the native americans.众所周知,那对美洲原住民是一次灾难So the journey that started with the search for water始于寻找外天外水源的外太空之旅has led us to far off worlds which I think could exist.我们已经进入了一个可能存在的遥远世界Worlds where the conditions and chemistry allow life to begin,那些世界的环境和化学条件可以育生命and then change into many different forms.并演变出丰富多的形态Even so, little green men are probably pretty rare.即便如此,外星人依然很罕见But in such a massive place as the cosmos,而在如此浩瀚的宇宙中we only have to look at ourselves for proof that我们只要看看自己就足以明extremely unlikely things can and do happen all the time.最不可能发生的事情随时都能发生Lets just hope that if aliens do find us,让我们祈祷,如若外星人找到我们theyll come in peace.他们是为和平共处而来201506/382788

Psychedelic or ;magic;mushrooms have been ingested by humans for over 9000 years.Even today,this naturally grown fungus is commonly used as a recreational drug.causing hallucinations,but how exactly does it work?The main psychoactive ingredient in shrooms is call psilocybin.When ingested,the body breaks it down into the active drug psilocin,which makes its way to the brain.人类食用迷幻菇/魔菇,已有9千多年历史,即使是如今,这种天然生长的菌类依然常被当做性药物,用于致幻,但其致幻的原理是什么?魔菇里起致幻作用的主要成分是裸盖菇素,食用之后,身体会将其分解成活性致幻剂二甲-4-羟色胺,进而进入大脑。And here,it begins to prevent the reuptake of the neurotransmitter serotonin,increasing its activity.On top of this,psilocin actually has a similar chemical structure to serotonin,meaning it can also bind to and stimulate receptors in the brain.This amplified stimulation causes you to perceive and experience things without any real stimulus-also know as hallucination.此时它开始防止神经递质血清素的再摄取,以此来增加自身活性,另外,二甲-4-羟色胺与血清素有着相似的化学结构,也就是说它可以结合并且刺激相应的大脑接收器,这种放大的刺激使你感知和体验到,并不存在的事实---即幻觉。These can be of a varying nature,from visual to auditory sensations,or mystical and insightful feelings.And while the experience can be quite enjoyable,some users have reported very unpleasant episodes.These feelings generally last between 3-8 hours,but could feel much longer as the drug alters your sense of time.这些幻觉多种多样,从视觉到听觉,甚至可能是神秘和深刻的感觉,有些人会体验到一些愉快的幻觉,也有人经历了不愉快的幻觉,致幻觉效果会持续3到8个小时,但也会因为药物对时间感的影响,而觉得效果漫长。Scientists have also suggested that the brain may temporarily rearrange itself by inhibiting normal brain activity and immediately creating new biologically stable brain connections.This,ultimately,makes it harder to determine reality from fantasy,and amplifies your intensity of thought which makes planning ahead and self conscious thinking almost impossible.科学家认为,大脑可能会通过制约正常脑活动进行自我调整,并且立刻建立起新的稳定的脑关系,而这种变化,令用者更加难以分辨真实和虚幻,并且放大思考强度,使其无法完成预先计划和自我意识思考。We also see activation in the hippocampus and anterior cingulate cortex which are associated with dreaming.Finally,specific emotional regions of the brain are chemically activated,which can lead to a sense of expanding consiousness.And because the drug temporarily alters the paths in your brain,;thinking outside of the box;becomes extremely natural.我们知道,海马体与前扣带皮层的激活,与梦境有关,另外,大脑特殊的情感区域被化学激活,会造成意识放大,由于药物临时改变了大脑回路,;不守框条的思考;变得极其自然。In a famous US study,36 college educated participants were given psilocybin and observed in a laboratory.1/3rd of the participants reported the experience as the single most spiritually significant moment in their lives,with 2/3rds putting it in their top five.Two months after taking the drug,79% of the participants reported increased well-being and satisfaction.美国一个著名的研究中,36名大学生志愿者,用裸盖菇素,并在实验室中接受观察,三分之一参与者表示,这是他们人生最重要的精神体验,三分之二的人则认为这属于人生前五的主要时刻,用两个月后,79%的参与者表示幸福感和满意提升了。Friends and family were also interviewed and agreed with these claims But its not all so positive-22% of the clinically tested individuals experienced fear and paranoia at certain points during their trip.And because of the state of their brains,these typically manifested as terrifying and uncontrollable hallucinations.他们的亲朋在接受采访时亦同意此说法,但也并非都是好的体验,22%的体验者在实验过程中,某些时刻感觉到了恐惧和偏执,由于他们的大脑状态,这些症状主要表现为恐惧和不受控的幻觉。Though much is still unknown about shrooms,theyre not considered clinically addictive and cause little toxicity to other organ systems.虽然关于魔菇尚有许多未解之谜,但它们似乎并不会造成上瘾问题,对其他器官系统存在少许毒性。In fact,a UK study found that they cause the least amount of damage-both to the individual and others-when compared to other recreational drugs.Ultimately,scientists believe the laws need to change around clinical testing of the drug so advanced research can be executed to fully understand both the positive and negative effects that this ;magic;fungus has on our brains.事实上,英国一项研究发现,无论对个体还是他人而言,与其他性药物相比,魔菇的危害性最小,科学家们觉得关于药物临床试验的法律规定,应该稍作修改,这样关于魔菇对大脑影响的先进实验才能继续进行,进而找出它对大脑的积极和消极影响。201504/371926In October of the institute of medicine released年十月,医学研究所发布了recommendations for the national school lunch program为国家学校午餐计划制定的新推荐to adopt a new set of standards for planning为菜单设计制定了一系列新的标准which will bring the school meals more in line with这将会使得学校的餐饮更加符合the latest dietary guidelines of 2005.The report最新的2005年版膳食指南,这份报告focuses on limiting sodium, saturated fat and trans-fat聚焦于对钠,饱和脂肪和反式脂肪的限制while encouraging unsaturated oils.The institute of而同时建议食用不饱和脂肪油,医学研究所medicine recommendations are as follows:做出的推荐如下:Maximum calorie levels for grades K through 5, 6最大量卡路里供给K(幼儿园?)到五年级through 8 and 9 through 12; to reduce sodium to六到八年级,和九到十二年级,减少钠摄入the target of 740 mg for lunch; to serve one cup of达到每一午餐740毫克的目标,每日供给fruit a day; to serve ? to 1 cup of vegetables a day;一量杯水果,供给四分之三到一量杯蔬菜and to three fourths less starchy vegetables while serving每周供给含淀粉较少的蔬菜,以及供给more green leafy vegetables, orange vegetables and更多绿叶蔬菜,橙色蔬菜和legumes per week; to make half or more of the grains豆类蔬菜,一半或更多供给的谷物须是whole grain; to serve one cup of one percent or non-fat全谷类,每日午餐供给一量杯百分之一或milk at lunch daily; and to serve 2 ounces of meat全脱脂牛奶,多数时间供给2盎司肉or meat alternatives on most days.The USDA is或肉类替代品,目前,美国农业部正在currently using the institute of medicines report to使用医学研究院的报告来make revisions to the nutrient requirements of修订学校餐饮的营养需求school meals.Unfortunately, change takes time and然而,改变仍需时间,这些改变these changes will probably still take another year.很可能还要再过一年才会发生The farm to school program is encouraged as a way to学校计划也倡导让农场参与进来provide students with exposure to fresh fruits and为学生们提供当地土生土长的新鲜水果vegetables grown locally.This is also beneficial和蔬菜,这对地方经济也是to the local economy.Those who purchase local foods大有裨益的,采购当地食物的那些人must ensure an open market approach and that products必须保市场渠道公开,并且产品的are produced and handled safely.This program is生产流通安全可靠,这个计划由农业部encouraged by the USDA but it isnt as simple as倡导发起,但它并不像听起来的那样简单it sounds, since it has many rules and regulations.因为其中涉及到许多政策法规Also, it is difficult for a local farmer to supply a并且,要让一个当地农民为一个较大的学校larger school with the quantities they need.It may提供所有他们需要的量也是不容易的,与work better with smaller schools. School garden produce小一些的学校合作效果更佳,学校的菜园种植can be used as well.Some schools in Northeast Iowa也可以利用起来,爱荷华州东北部一些学校have school gardens that supply their school with有自己的菜园,可以提供给学校a variety of vegetables for the salad bar.沙拉吧台所需的各种蔬菜Schools report a 3 to 16 percent increase in school meal一些学校报告称,在农场的新鲜食品进来之后participation when farm fresh food is served bringing加入学校餐饮的人增加了3%到16%,也给more school lunch funds to the school.So what are学校带来了更多的午餐经费,那么some possible outcomes that are likely to occur as在学校采纳了对自身餐饮食品所作的schools adopt stricter nutrition requirements for foods更加严格的营养要求之后,有可能产生made available at school.Here are a few positive什么样的后果呢?下面是一些积极的outcomes.Kids may start developing a taste for后果,孩子们开始对更加健康的食品healthier foods.Children may have improved health,有所青睐了,儿童的健康nutrition and overall wellness, both physically and营养和整体素质都得到了改善,无论是身体mentally.Children may have better behavior and还是心理方面,他们在学校表现得更好了focus in schools.And we could even see a reverse更加专注了,我们甚至也能看到肥胖的影响in the obesity epidemic.开始转变201504/369393

栏目介绍:搞笑英语轻松学通过不同的搞笑生活片段来学习日常口语,领域涉及生活的各个方面,让我们既可以学习到地道的口语,还能够爆笑一番。快来看看吧。201507/385810Hes an amazing man, that he could, on the pills that he took,他很厉害的是吃了药put on a performance.还可以上台表演He looked like his eyes were closed most of the time,但彷佛全场都闭着眼睛because lve got the tapes.But no one knew.我还有影片存 但没有人知道lt was a brilliant show.很棒的一场演出A lot of energy with the brothers being on stage once more, again.兄弟们再度同台的气氛And the whole thing, just playing those hit songs once more,再次唱那些经典歌曲brought back a lot of great memories.很令人怀念l dont know anybody who could do all those dances and get up there.我真不知道怎么有人 可以上台跳那些舞And he got away with it.但他却做到了Around 2003, Michael became involved with a family by the name of Arvizo.2003年时 迈克尔结识了阿维佐的家庭And Martin Bashir was doing a documentary about Michael.当时马丁·巴舍尔正在拍摄迈克尔的纪录片And it was Michaels idea to feature this kid in the documentary.还是迈克尔提议要专访这个孩子201510/405515When a creature croaks,its natural defenses fail and tiny decomposers start digging in within just five minutes.To deter bigger carnivores in search of a meal,some feasting microbes produce toxins like anthrax and botulinum,tiny doses of which are fatal to much of the animal kingdom.Yet many scavengers get shoulder deep in deed meat without seeming to suffer and were just beginning to understand how they do it.当生物死去,躯体防御瓦解,五分钟后微生物就会开始分解尸体,为了防止大型动物跟它们抢食,一此微生物会释放毒素,诸如炭疽和肉毒菌,剂量虽小,但对许多动物而言却是致命的,但许多食腐动物食用这种毒肉后却安然无恙,我们来了解一下其中的奥秘。Quality control is one of their earliest lines of defense.Wolves and foxes have been known to pass up diseased reindeer carasses in favor of prey killed by other predators,although its not yet clear how they can tell the difference.And,despite their reputation,spooted hyenas prefer to dine on fresh meat,minimizing their contact with microbes.质量控制是它们的初始防御线之一,我们知道,狼和狐狸会避开,其他捕杀的患病的驯鹿肉,不过它们是如何判断的,我们还不了解,且不论斑鼠的恶名,它们喜欢食用鲜肉,尽量避免与微生物打交道。But sometimes,severly rotten flesh is the only item on the .And some scavengers,such as burying beetles and vultures.actually seek out putrid carrion because its easier to detect,dig into,and defend.To combat the microorganisms in these meals,the beetles smear carcasses with antimicrobial slime before feeding.但是有时,动物们只能找到严重腐烂的尸体,埋葬虫和秃鹰等良腐动物,会特意寻找腐肉,因为腐肉好找,易食,没人抢,为了斗赢腐肉里的微生物,曱虫在食用腐肉前会在上面涂上一层抗菌粘液。Other scavengers prefer an after-dinner antibiotic.Bearded vultures assault microbes with stomach acid thats ten times more acidic than our own,and strong enough to corrode steel.But some tenacious pathogens,including the ones that cause botulism and tetanus,make it through this caustic cauldron and thrive in the intestines beyond.有些食腐动物则选择饱食后再反腐抗生素,秃鹰用胃酸来对付微生物,它们的胃酸酸度是人类的十倍,浓度高到足以腐蚀钢铁,但是一些顽强的病原体,包括那种导致肉毒和破伤风的病原体,它可以活着通过秃鹰强腐蚀胃液,并在肠道另一端繁衍生息。Were not sure how vultures survive their first few toxic exposures,but we know that with each encouter,their immune systems churn out more and more antibodies,building resistance to the toxins.Socializing can also give scavengers an immune boost.Hyenas and lions,for instance,likely pass small doses of germs around as they groom,eat,and compete with each other,which may help build up group-wide immunity to toxins like anthrax.我们也不清楚秃鹰一开始是如何熬过毒素活下来的,但我们知道在经此磨难后,秃鹰的免疫系统开始大量分泌抗体,抵抗毒素,社交也有助于食腐动物提高免疫力,例如,土狼和狮子,会在舔毛和进食的时候摄入少量病菌,并且互相竞争,这可以让整个种群获得对抗病毒的免疫力,如炭疽。Similarly,we humans have establishe our herd immunity through controlled exposure to diseases like meningitis and smallpox-we call it vaccination.But we have yet to beat botulism or anthrax,so perhaps we can scavenge some of these scavengers tricks-after all,we have more in common with them than we may like to admit.同样的,我们人类也通过接触微量病毒,建立起集体免疫力,如脑膜炎和天花,我们称之为疫苗接种,但是我们无法抵抗肉毒和炭疽,或许我们可以向这些食腐动物学习一下,不管我们承认与否,我们与它们确实很相像。201505/373543

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