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内蒙古医学院第三附属医院减肥瘦身多少钱QQ社区

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呼和浩特京美整形美容医院纹眉手术怎么样内蒙古医科大学第二附属医院激光除皱手术多少钱Whats the difference between a hard-shelled blue crab anda soft-shelled blue crab?你知道软壳青蟹和硬壳青蟹有什么区别吗?Is this a trick question?这个问题很难吗?Ill give you a hent. It has to do with the crabs skeletal system.我来给你个提示。这与螃蟹的骨骼系统是紧密相关的。Skeletal system?骨骼系统?You got me there, I know that like other crustaceans, periodically molt.哦,我大概懂了。就像是其它的甲壳类动物一样,螃蟹会定期的褪壳。That is, the crab sheds its hard shell and forms a new one.也就是说,螃蟹褪掉原有的硬壳再重新长出新壳。But I dont have a clue as to what that means about the skeletal system?但问题是,我想不明白这怎么就和骨骼系统扯上了关系。Well, Ill tell you.那就由我来告诉你吧。When a blue crab sheds its hard shell, its exoskeleton, it has to wait about aweek for the new shell to harden.当一只青蟹褪掉了它的硬壳之后,新长出的壳要等上大概一个星期才能变硬。Before that happens, this outer layer of tissue is too soft and flexible to transmit muscle contractions as it did, and will do again when the crabs new shell hardens.在壳变硬之前,外面的那层“壳”太软太韧了,以致于无法进行正常的肌肉收缩。在新壳变硬之时还要再进行一次。And yet these creatures are somehow still able to move about, even immediately after molting.而且,不知为何,青蟹在这种情况下还是能到处爬来爬去的,即使是刚刚褪壳的时候也是如此。How is that possible?这怎么可能呢?Its possible using a hydrostatic skeleton.使用铃静力骨架就可以了!Many animals, such as worms, rely on hydrostaticskeletons all their lives.许多种动物,比如说蠕虫,它们一生都是靠铃静力骨架撑下来的。What this means is that muscle contractions are transmitted through anincompressible fluid.这也就是说,肌肉的收缩通过不可压缩铃被传送到了身体各部分。Immediately after molting, the hydrostatic pressure inside crabs jumpssignificantly higher, allowing the crabs to use this pressure to move their muscles.青蟹刚刚褪壳的时候,体内的铃静压力陡然飚到很高,这使得青蟹可以利用压力来使肌肉活动。While ahydrostatic skeleton isnt so remarkable in itself, what is remarkable is that the crab alternates between using the two kinds of skeletons.青蟹的铃静力骨架并不是特别出众,真正出众的是青蟹在外骨骼和铃静力骨架之间出众的交替使用能力。Scientists suspect that crabs probably arent alone inthis feat and plan to investigate the skeletal systems of other creatures that molt.科学家们猜测,蟹并不是唯一一种此类动物,接下来,科学家们将会研究更多褪壳生物的骨骼系统。 201408/319479呼和浩特武川县治疗蝴蝶斑多少钱 Not much is clear.不是非常清楚。Spending time with him has been an opportunity to relish.与他共同度过一段时光已经是一次释怀的机会。So often is the traveler experiences can seem a little package,所以旅行者的经历通常被看作是一个小包裹,but as Jaco leads me up the bare rocks to our final viewpoint,但是随着领导杰科带我跋山涉水最终来到一处景点。theres no doubting what a wild and unpackaged destination South Africa can be.毫无疑问南非就是野生及天然的理想目的地。Look at these views!看看这些美景!One of my favourite places.这是我最喜欢的地方之一。Not difficult to see why.美不胜收。Look there, you can see the camp.Yeah.看那里,你可以看到营地。You can see the was staying.你可以看到。Best of all, you can see all just voluntary area.最好的是,您可以看到所有的自愿地区。You know, its just less.你知道,这只是更少。This vast vista untouched by the modern world is the pinnacle of my journey into the wilderness.这片现代世界未曾涉足的巨大的地区就是我到野外去的旅程。201308/253632呼和浩特清水河县治疗胎记多少钱

内蒙古自治区人民医院治疗狐臭多少钱Science and technology科学技术The Brain Activity Map绘制大脑活动地图Hard cell棘手的细胞An ambitious project to map the brain is in the works. Possibly too ambitious一个绘制大脑活动地图的宏伟计划正在准备当中,或许有些太宏伟了NEWS of what protagonists hope will be Americas next big science project continues to dribble out.有关其发起人心中下一个科学大工程的新闻报道层出不穷。A leak to the New York Times, published on February 17th, let the cat out of the bag, with a report that Barack Obamas administration is thinking of sponsoring what will be known as the Brain Activity Map.2月17日,《纽约时报》刊登的一位线人报告终于泄露了秘密,报告称奥巴马政府正在考虑赞助将被称为大脑活动地图的计划。And on March 7th several of those protagonists published a manifesto for the project in Science.3月7日,部分发起人在《科学》杂志上发表声明实了这一计划。The purpose of BAM is to change the scale at which the brain is understood.大脑活动地图计划的目标是改变人们在认知大脑时采用的度量方法。At the moment, neuroscience operates at two disconnected levels.眼下,神经学的研究处在两个断开的层次。The higher one, where the dimensions of features are measured in centimetres, has many techniques at its disposal, notably functional magnetic-resonance imaging, which measures changes in tissues fuel consumption.在相对宏观的层次当中各个特征的规模用厘米来衡量,有很多技术可以使用,尤其是用来测量组织中能量消耗变动情况的核磁共振成像技术。This lets researchers see which bits of the brain are active in particular tasks—as long as those tasks can be performed by a person lying down inside a scanner.该技术可使研究人员找出在完成具体的任务时,大脑的哪些部分处于活跃状态。At the other end of the scale, where features are measured in microns, lots of research has been done on how individual nerve cells work, how messages are sent from one to another, and how the connections between cells strengthen and weaken as memories are formed.而另一个度量的层次则要求用微米来测量各种特征,这一层次的研究很多都是关于单个神经细胞是如何工作的、信息在神经细胞之间是如何传递的以及当产生记忆的时候神经细胞之间的联系是如何得到加强和减弱的。Between these two, though, all is darkness.然而,位于这两个层次之间的研究还处于一片漆黑当中。It is like trying to navigate America with an atlas that shows the states, the big cities and the main highways, and has a few street maps of local neighbourhoods, but displays nothing in between.这就好比当你要在美国寻找自己的前进方向时,手里却只有一副如下的地图册:上面只显示各州轮廓、各都市的坐落点、干线公路以及一些社区街道,除此之外别无它物。BAM, if all goes well, will yield plans of entire towns and villages, and start to fill in the road network.如果大脑活动地图计划进展顺利的话,就能得到完整的城市和村落规划图,道路网也将完善。It will also, to push the analogy to breaking point, let a user look at actual traffic flows on the roads in question, and even manipulate the road signs, in order to understand how particular communities work.它还能使用户能够看到自己备选道路的实际交通情况,甚至还能通过操纵道路标志来了解具体地区是怎样运作的,将脑图、地图这一类比给打破。The mappers aim is to find out how nerve cells collaborate to process information.制图者的目标是找出神经细胞是如何共同处理信息的。That means looking at the connections between hundreds, thousands and even millions of adjacent cells—and doing so, crucially, while those cells are still alive, rather than after they have been sliced and diced for microscopic examination.这就意味着要研究成百上千甚至上百万的相邻细胞之间有何种关联,关键在于这一研究还要在这些细胞存活的时候进行,而不是把它们切片后放在显微镜下观察。This will require a new set of tools.要做到这一点就需要一套新的工具。And the guts of the BAM proposal are that the American taxpayer should provide those tools.大脑活动地图提案的大胆之处在于它认为美国纳税人应该出钱提供这些工具。It is thus no coincidence that the lead author of the paper, Paul Alivisatos, the director of the Lawrence Berkeley National Laboratory, is a materials scientist, not a neuroscientist.因此,由材料学家保罗?阿里维萨多而非神经学家来主笔该提案并非什么巧合。Dr Alivisatos and his ten colleagues would like their new tools to be able to record, simultaneously, the activity of millions of nerve cells.阿里维萨多士和他的10个同事希望他们的新工具能同时记录数百万神经细胞的活动情况;Then, having done the recording, they would like a second toolkit that lets them manipulate each cell at will, to see what effect that has on the rest of the circuit.做完记录后,他们还想要能自由操纵每个神经细胞的第二套工具,以便找出这样的操作对细胞周围有何影响;Finally, to handle the unprecedented amounts of data that the first and second steps will generate, they would like a new set of computing hardware and software.最后,为了处理前面两个步骤所产生的空前的海量数据,他们还想要一套新的计算机软硬件。A modest proposal, then.如此看来这提案还不算过分嘛,And one which is inducing polite scepticism from many neuroscientists who are not part of the charmed circle, and who fear their subject is about to be sacrificed to a juggernaut.但它却也引来了许多此小圈子外的神经学家客气的猜疑,他们担心实验被试会成为这一计划的牺牲品。Such scepticism is reasonable.这种怀疑是合乎情理的。The third part of the project, the computer side, should be doable.该计划的计算机部分是可行的,不论如何,这只不过是提高计算机的原有水平而已。That is just a question of pushing harder in a direction things are, in any case, going.但是前面两部分你要怎么完成呢?谁都不知道。How you would do the first two, though, is anybodys guess—and Dr Alivisatos and his colleagues are pretty sketchy about the details.而且阿里维萨多和其同事对相关细节也说得相当笼统。Thinking big, thinking small高瞻远瞩也要低头看路What ideas there are draw heavily on the nascent field of nanotechnology.现在能想到的办法主要就是利用纳米技术这一新领域,This is Dr Alivisatoss particular province, and also that of the Kavli Foundation, which exists to advance fundamental research in the fields of astrophysics, nanoscience, neuroscience and theoretical physics.这是阿里维萨多的专攻领域,也是美国科威利基金会专门持的领域。该基金会的宗旨是推动天体物理学、纳米技术、神经学和理论物理学等领域的基础研究,A brain map would push two of those buttons, which accounts for the fact that five of the manifestos authors work for institutes sponsored by this foundation.一个大脑地图计划就会涉及到里面的两个领域,这也解释了《科学》杂志上的声明人中有五个在该基金赞助的机构工作这一事实。But any successes that nanotechnology has enjoyed so far have been small beer compared with the devices that would be needed to interrogate nerve cells, record the results and transmit them back to base, let alone tell those nerve cells what to do.但是,和审问神经细胞、记录审问结果并将审问结果传回大本营所需要的设备相比,目前纳米技术领域所取得一切成果都是些小把戏,就更别指望能用它来控制神经细胞的行为了。The protagonists would, they say, build up slowly, using humbler creatures than human beings as experimental subjects to start with.该计划的发起人说,他们会慢慢推进,首先使用比人类低级的生物作为实验对象。This was the approach taken by the Human Genome Project, which began with bacteria and yeast, progressed to worms, flies and mice, and only then tackled people.人类基因组工程当初便是采取的这一途径:一开始是细菌和酵母,再升级到蠕虫、苍蝇和老鼠,最后才是人类。But the analogy is not quite a fair one.但拿它做类比还不大合适,When the genome project started,genomicists aly had a basic understanding of how to go about it.因为在基因组工程启动时,遗传学家对该如何进行已经有了一个基本理解,That understanding was vastly refined and improved by the application of several billion dollars.这一理解在花费了数十亿美元后得到了大大的提炼和改善。But it was there from the beginning.但人家一开始就有理解啊。Going from existing methods of recording and manipulating cell activity, which rely on large electrodes, often connected to the outside world by physical wires, to the massively parallel, wireless system envisaged by Dr Alivisatos, is a different proposition.记录和操纵细胞活动的现有技术要依靠一些很大的电极,从这些技术跨越到阿里维萨多士所设想的无线平行体系,相对基因组计划而已,则是一个不同的命题。It may be possible. But it requires a leap of faith.这也许是可能的,但要让人相信则需要信心的大飞跃。The next few weeks will reveal whether that faith is shared by a cash-strapped president.囊中羞涩的总统是否也有这种信心呢?将会在后面的几周内揭晓。 /201312/267747呼和浩特京美整形美容医院吸脂怎么样 When you go back to work or class after lunch, why is it sohard to stay awake?当我们用完午餐回去工作或上课时,为什么很难保持清醒呢?Although we get energy from food, we also use lots of energy to digest it.尽管我们从食物中获取能量,但也需要耗费许多能量来消化这些食物。Your energy useincreases 25-50% as you digest a meal.消化一餐就会增加百分之二十五至五十的能量消耗。With all that action going on in the digestive system, thebody sends extra blood to the gut to supply oxygen and other necessities.有了消化系统内的一系列活动,身体才能源源不断地将额外的血液输送到消化道以提供充足的氧气和其它必需物。As food enters the stomach, the intestines secrete substances that dilate, or expand, the bloodvessels that supply them with blood.当食物进入胃,肠道便分泌许多物质,它们使得为肠道供血的血管膨胀或扩张。As a result, more blood flows to the upper digestive tract,and theres a bit less to go around to the rest of the body.结果便是更多的血液流向上消化道,而循环于身体其它部分的血液则相应减少,That might make your arms and legsand brain feel a little sluggish!这时你可能感觉浑身懒洋洋的,连大脑也变得迟钝起来。At the same time, the small intestine releases a hormone that activates the part of the brain thatcontrols sleep, making you drowsy.同时,小肠释放出一种荷尔蒙,它可以激活控制睡眠的大脑区域,让你昏昏欲睡。Finally, the natural components in foods can also contribute tothe snooze effect.最后,食物中的天然成分也会让你打盹。Certain foods, especially carbohydrates, increase production of serotonin in thebrain.某些食物,特别是碳水化合物,会增加大脑中血清素的生成。Serotonin works both to stop sugar craving, and to make you very relaxed.血清素既可以抑制吃甜食的欲望,又可让你倍感放松。The larger themeal, the more pronounced that feeling can be.吃得越多,这种感觉就越明显。With all of these physiological reasons why wemight feel sleepy after eating, a siesta after lunch sounds like a brilliant idea, and maybe after dinnerand breakfast too!鉴于诸多生理原因导致我们餐后昏昏欲睡,也许午餐抑或早晚餐后小憩一会儿是个明智的选择。 201403/278076内蒙古医学院第二附属医院整形中心

呼和浩特最好的割双眼皮推荐 Business商业报道Starbucks v Kraft星巴克对决卡夫A double shot of discord不合引发连环炮The kings of coffee brawl with the monarchs of macaroni咖啡之王对决通心粉之霸STARBUCKS once seemed so unstoppable that the Onion, a satirical paper, joked about a new Starbucks opening in the restroom of an existing Starbucks.星巴克曾经势不可挡,以至于以嘲讽著称的onion报开玩笑称星巴克的新店会开在老店的厕所内。Yet by January 2008, when Howard Schultz, the coffee chains most effective boss, returned as chief executive,但是在2008年前,直至最为卓著的领导人Howard Schultz返回公司担任董事长。it was rapidly declining.他的业绩款速下降。Mr Schultz closed stores, shed staff, slimmed the supply chain and arrested Starbuckss slide.Schultz先生关闭门店,裁减雇员,简化供应链。In fiscal 2010 the firms operating margins rebounded to 13.8%, the highest in its 40-year history.力挽了星巴克的颓势。2010财政年度,星巴克的运营利润率反弹至13.8%,为星巴克40年历史的最高。One of the problems Mr Schultz found, after a review of the business, was in the way Starbucks-brand coffee was sold in supermarkets.重新审视业务之后,Schultz发现其中一个问题-星巴克品牌在超市里售卖。The so-called consumer-packaged goods business is handled by Kraft, Americas biggest food company, which is best known for having mastered the art of mixing macaroni with cheese.号称快消品业务是由美国最大的食品公司卡夫经营的,卡夫由于其搅拌芝士通心粉而被人熟知。Following an agreement in 1998, Kraft sells, markets and distributes bags of Starbucks coffee.按照1998年达成的协议,卡夫分销袋装星巴克咖啡。Mr Schultz told Kraft he was dissatisfied.Schultz先生告知卡夫他对此感到不满意。Kraft acknowledged the complaint, but, according to Starbucks, failed to act because it was focused on the takeover of Cadbury, a maker of superior British sweets such as Creme Eggs.卡夫实了Schultz的抱怨,但是按照星巴克的说法,他之所以不采取行动是由于卡夫把业务重心放在收购吉百利上面,吉百利是英国优质糖果制造商,其代表商品有糖心巧克力。By the spring of last year, both sides realised that their partnership was broken.去年春天,双方都意识到他们的合作关系已经破裂。Starbucks says it offered Kraft 0m to give back the CPG business.星巴克声称他将出价5亿美元买回其快消业余。As part of the proposed deal, it still wanted to supply capsules for Tassimo, Krafts single-portion coffee machines.作为意向交易的一部分,星巴克依然使用卡夫的全自动Tassimo咖啡机。Kraft initially agreed to the buy-out offer, but then changed its mind and demanded another 0m, according to Starbucks.星巴克声称:卡夫同意了此项收购,但是接着就改变了主意并要求追加2亿。Kraft disputes this account.卡夫对否认了此种说法。It claims that Starbucks offered 0m to buy out the business in August.卡夫声称星巴在八月克出价7.5亿美元来买下了业务,It adds that it rejected the offer.卡夫补充到其拒绝了此项收购,A fair price would be .5 billion, Kraft says.合适的价格应该为15亿美元。In October Starbucks told Kraft that it was in material breach of their agreement.十月,星巴克告知卡夫他严重违约。Unless the matter was resolved within 30 days, Starbucks said, all their agreements would end by March 1st and Kraft would get nothing.除非30日内得到解决,否则所有协议最迟将于3月1日作废届时卡夫将一无所获。The alleged breaches include Krafts failure to involve Starbucks in sales planning, to provide detailed budgets and to obtain approval for advertising.所谓的违约包括卡夫未能将星巴克纳入到其销售计划中,未能提供详尽的经费以及未能获得广告推广的批准。Starbucks says Kraft also violated an exclusivity deal by promoting its own premium coffee.星巴克说卡夫还通过推广自己的优质咖啡而违反了了排他协议。Kraft says all these alleged breaches are baseless.卡夫方面宣称这些所谓的违约时无依据的,It says Starbucks brewed them up to give itself a pretext for grabbing back the best part of its business without paying for it.星巴克制造了这些说辞来作为重夺优质市场而不花一分钱的借口,星巴克的咖啡店业务进展缓慢。On November 29th Kraft initiated an arbitration proceeding to challenge this move.Schul提起开始仲裁希望改变这种情况。Ignoring the arbitration, Starbucks said a couple of days later that from March onwards it would distribute its packaged coffee through Acosta, a marketing firm.星巴克方面宣称将不理会仲裁并于数十天后的3月开始通过行销机构Acosta来销售包装咖啡。On December 6th Kraft sought a preliminary injunction against Starbucks in a District Court of New York, for allegedly violating the terms of their agreement.据宣称12月6日卡夫以违反协议条款为理由向纽约地区地区法院申请一项初步禁令,The hearing of the injunction is tentatively scheduled for January 27th.听会将暂定于于1月27日举行。Kraft says that it played a central role in the success of Starbuckss packaged-coffee business, which grew tenfold during the course of their partnership.卡夫方面称其在星巴克的包装咖啡业务从双方开始合作到现今增长十倍上发挥着核心作用。Starbucks retorts that it could have grown faster if someone else had handled it.星巴克方面则反驳若是其他人经营业务本该增长的更快Even so, it will be tricky to prove material breaches of the agreement, so Starbucks will probably have to pay to end it.即便这样,明重大违约行为将变得非常棘手,星巴克极有可能以收购了事。Kraft stands to lose not only a lucrative business but also some “category captaincies”.卡夫不仅失去了获利颇丰的业务而且部分领军地位。Each large American retailer elects a product-category captain who is closely involved in how its sales are managed.每个美国大型零售商都会选择一家积极处理与之相关业务的领军企业。Kraft is category captain in more than 60% of the supermarkets in which it distributes coffee.卡夫占据了超市咖啡分销市场60%以上的份额,Acosta will soon be vying for this profitable honour.Acosta也将紧盯这快大肥肉。 点击此处下载本期经济学人讲解PDF与音频字幕 /201304/234305赛罕区点痣多少钱呼和浩特托克托县丰额头多少钱

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养心晚报呼和浩特京美医院做韩式隆鼻手术多少钱
呼和浩特永久性脱毛哪家医院好
呼和浩特京美整形美容医院去色素斑怎么样
呼和浩特绣眉价格飞度乐园回民区妇幼保健人民中医院做双眼皮开眼角多少钱
服务指南呼和浩特新城区做颧骨整型多少钱安门户
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