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郴州市包皮环切手术服务解答宜章县男科医院

2019年08月22日 10:53:03    日报  参与评论()人

郴州治疗疑难杂症多少钱郴州治疗软下疳要多少钱临武县泌尿科咨询 Bringing The Dead Back To Life? Is it possible to bring the dead back to life? Maybe not, but scientists at Penn State University have done the next best thing. They found a tiny bacterium thats been trapped miles below Greenland ice sheets for the past 120,000 years.起死回生?有可能起死回生吗?也许不能,但宾夕法尼亚州立大学的科学家做了差不多的事情。他们在格陵兰岛冰原的地下几十英里处发现了一种12万年以前的极小细菌。After months of incubation, the bacterium woke up and began reproducing. Before long, the ancient organism was once again thriving. Now dont be alarmed. Unlike what may happen in a science fiction thriller, the bacterium isnt some deadly microbe thats going to turn us all into zombies.经过了数月的培育,细胞已经复苏并开始繁殖。很快,古生物再次繁荣起来。现在不要惊慌。与科幻惊悚片里场景可不一样,这些细菌并不是那种会把我们变成僵尸的致命细菌。Apparently, its a very small, simple microbe not very different from billions of others that have lived on earth. Whats interesting about the microbe is: A) how it managed to survive for so long beneath the ice; and B) what it suggests about the possibility of life on other planets.显然,这是种非常微小,简单的生物,它与地球上其它数十亿的细菌并无太大区别。这种微生物的有趣之处在于:首先,它如何能在久冰层下面存活那么久;其次,它的存在表明其他星球上可能存在生命。The researchers think that the bacteriums small size might have helped it survive in microscopic, watery veins in ice crystals. Being small may also have helped the microbe absorb nutrients more efficiently.研究人员认为,这种细菌能够存活在冰晶纹理的潮湿细缝里可能是由于它体积微小的缘故。体积小可能也会帮助微生物更充分地吸收营养物质。As for life on other planets, scientists have long suspected that if there is life out there, it might exist buried far beneath a planets barren surface. So every time scientists find a microbe able to survive under extreme conditions on Earth, it raises the hope that the same might be the case in other worlds.至于其他星球上是否存在生命,科学家们早就抱有怀疑:如果外太空有生命存在,那么它可能深埋在某个星球贫瘠的表层下。因此,每当科学家们发现新出现一种微生物能在极端的地球环境下生存,那么在其他星球上出现同样情况的可能性就更大。201212/216649郴州东方医院验血都有那些项目

郴州哪里能治最好生殖器感染When the pressure goes up, this shaft just pulls on it, pulls on the metallic tendon, and that pulls on the joint to make its arm to go forward for example, or back. So, you can see these cylinders going in and out as he moves his arm up and down.;当压力升高时,活塞就往里推,从而推动金属零件,进而推动机器人的关节,使胳膊或后背向前运动。因此,当它提起或放下胳膊时,你会看到这些液压缸在里外活动。All those components are pretty heavy.所有的这些组成部件都很沉重。;When hes fully configured with power systems, he can weigh up to 450 pounds.;“当装上电力系统,配置齐全的时候,他体重就会达到450磅。”But it wont take a superman to put on this super device. It is engineered to feel light on whoever wears it.但是要穿上这套设备,并不是只有超人才行。只要一开动引擎,谁穿上它都会感觉轻松。;He can feel the mass of 450 pounds, but he doesnt feel the weight. I can move the system around now just with my fingers, if I use his input. So, it basically floats. When he picks it up though again, and Ive tried to push on him and he pushes on me, he has great strength. So the key is he can put out large forces, but he doesnt have to use much effort to do that.;它能感受到450磅的质量,却感受不到重力。如果利用它的输入功能,我可以只用手指便能移动这个系统。它基本上是漂浮着。当它再次抬起重物时,我推它,他也推我,它的力量很大。所以重点在于它能不费吹灰之力对外界施加很大的力量。How much can an Exoskeleton lift? How much do you want to lift?Exoskeleton能举起多重的重物呢?而你想举起多重的重物呢?;The computer can decide to have anywhere from zero to 3,000 pounds per square inch inside the cylinder. So the loads these cylinders can hold can be 1,000 pounds.;“计算机会决定液压缸内每平方英寸承受零到3000磅的重量。所以这些液压缸能承受质量为1000磅的重物。”This super strength could come in handy in an emergency.这种超能量可以在紧急情况下派上用场。;Now theres many applications for the Exoskeleton in life-saving activities, and going into situations where you extract people that are injured, or where you move material thats hazardous to people.;“如今已为Exoskeleton开发出用于救生活动的软件,并应用到现实社会中去,比如将受伤群众送往安全地带,或者移动对人类有害的物质材料。”And the military wants to use it to take the pain out of heavy lifting.而且军队也希望利用它来解除大型起重的痛苦。;Many times with aircraft and other vehicles, you want to load munitions into them and they are heavy. And if you have to keep doing that all day, youll get very tired. So, this is an issue of endurance.;“许多次,你想利用飞机和其它交通工具来搬运沉重的军火武器。一整天下来,你会精疲力尽。所以这也解决了耐力的问题。”原文译文属!201207/191043郴州中医院男科专家 郴州东方治疗疱疹预约

郴州市人民中妇幼保健医院男科预约 Drugs and Learning药物与学习能力Don: Ya#235;l, when you experience something new, do you know what happens to your brain?Don: Ya#235;l,你知道当你碰到新的东西的时候,你的大脑会发生什么吗?Ya#235;l: Some of the neurons in your brain build new connections. My brain is rewired, as scientists often put it. Our brains are always changing, in response to new experiences or as a result of learning new information. That’s how we’re able to learn and remember new experiences and information.Ya#235;l: 大脑中的神经元会建立起新的连接。就像科学家们经常做的,这个时候的大脑在重新装入信息。由于我们接触到了新的东西或是获得了新的信息,我们的大脑一直都在不停的变化——我们就是以这样的方式来学习和记忆新的东西,新的信息。D: You got it! But you know what happens to your brain when you experience new things after you done psychol similar drugs, such as amphetamine or cocaine?D: 就是这样的。但是你知道在用了安非他命或可卡因这一类药物这样的情况下,接触到新事物时你的大脑又会发生什么吗?Y: The same thing? Right?Or no?Y: 没什么不同的,吧?对吗?D: The answer is, no! Evidence indicates that prior use of some drugs impairs the brain’s ability to forge new connections between neurons in response to new experiences. Scientists took a bunch of rats and gave some of them either amphetamine or cocaine for twenty days, while giving the others a saline solution for twenty days.D: 当然是“No”。有科学依据称,在接触新事物之前用某些药物会破坏大脑神经元之间(因新事物的刺激)建立连接的能力。科学家们用大量的老鼠来做了试验。他们将老鼠分成两组,给第一组老鼠喂食20天的安非他命或是可卡因,给第二组老鼠喂食20天的盐水。When the twenty days were up, half of the rats were moved from ordinary laboratory cages to fancy new cages equipped with all kinds of bridges, ramps, tunnels, and other toys. After three and half months the scientists examined all of the rats brains.20天过后,他们将一半的老鼠从普通的实验笼子转移到“超豪华”的新笼子里,里面有桥梁,有坡道,有隧道,还有其他的玩具。三个半月后,科学家们对老鼠的大脑进行了仔细的研究。They discovered that the saline solution rats that were moved to the new cages had a greater number of neuronal connections than all the other rats, including the drugged rats in the new cages. These findings may aid in explaining some of the behavioral and cognitiveimpairments viewed in people who are addicted to drugs.他们发现,搬入新“家”的喂食盐水的老鼠比其他的老鼠(包括搬入新笼子的喂食了药物的老鼠在内)建立了更多的神经元连接。这些研究发现可能有助于解释为什么那些吸毒成瘾的人会有一定的行为和认知障碍。 /201212/217619郴州东方医院做包皮多少钱汝城县男科咨询

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