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国外名人故事:玛丽·居里(居里夫人)_1500字
作者: 发布日期:2011-09-28 点击数:208

  一、生平简介:

  居里夫人是伟大的物理学家,她出生在波兰,真正的名字叫玛丽,因为嫁给了法国年轻的学者彼埃尔·居里,后来被称为居里夫人。她和丈夫共同努力,发现并证实了镭元素的存在。下面我们要告诉大家居里夫妇是怎样发现镭这种神秘物质的。

  1898年法国物理学家贝可勒尔(AntoineHenriBecquerel)发现含铀矿物能放射出一种神秘射线,但未能揭示出这种射线的奥秘。玛丽和她的丈夫彼埃尔·居里(Pierrecurie)共同承担了研究这种射线的工作。他们在极其困难的条件下,对沥青铀矿进行分离和分析,终于在1898年7月和12月先后发现两种新元素。

  为了纪念她的祖国波兰,她将一种元素命名为钋(polonium),另一种元素命名为镭(Radium),意思是“赋予放射性的物质”。为了制得纯净的镭化合物,居里夫人又历时四(MarieCuI7e,1867--1934)载,从数以吨计的沥青铀矿的矿渣中提炼出1O0mg氯化镭,并初步测量出镭的相对原子质量是225。这个简单的数字中凝聚着居里夫妇的心血和汗水。

  1903年6月,居里夫人以《放射性物质的研究》作为博士答辩论文获得巴黎大学物理学博士学位。同年11月,居里夫妇被英国皇家学会授予戴维金质奖章。12月,他们又与贝可勒尔共获1903年诺贝尔物理学奖。

  1906年,彼埃尔·居里遭车祸去世。这一沉重的打击并没有使她放弃执着的追求,她强忍悲痛加倍努力地去完成他们挚爱的科学事业。她在巴黎大学将丈夫所开的讲座继续下去,成为该校第一位女教授。1910年,她的名着《论放射性》一书出版。同牟,她与别人合作分析纯金属镭,并测出它的性质。她还测定了氧及其他元素的半衰期,发表了一系列关于放射性的重要论着。鉴于上述重大成就,1911年她叉获得了诺贝尔化学奖,成为历史上第一位两次获得诺贝尔奖的伟大科学家。

  这位饱尝科学甘苦的放射性科学的奠基人,因多年艰苦奋斗积劳成疾,患恶性贫血症(白血病)于1934年7月4日不幸与世长辞,她为人类的科学事业,献出了光辉的一生。

  二、发现“镭”的故事

  在居里夫妇发现镭元素之前,人们刚刚知道有一种稀有金属叫做铀,能发出具有穿透能力的射线,这就是X射线。居里夫人知道这个消息后,马上想到也许还有别的物质也具有类似铀的放射能力。为了证实这种猜想,他们开始做实验。

  居里夫妇有一个用储藏室改造成的小实验室,这间实验室没有地板,冬天冷夏天热,屋子里只有一个坏了烟囱的火炉子、四张长短不齐的凳子和一块破旧的黑板。他们就在这间实验室开始了艰苦的工作。

  玛丽用仪器观测一种沥青铀矿,她认为里面还含有另外一种放射能力较强的元素,这是人们尚未发现的新元素。她和丈夫决定要把这种元素找出来,他们先把这种新元素称作“镭”要证实镭的存在,就要从沥青铀矿中把它提炼出来。为了节省费用,他们没有购买昂贵的沥青铀矿,只是购买了大量提炼过铀的沥青铀矿的残渣。在院子里设有专门的提炼设备,但是夏天要顶着烈日,冬天又冻得发僵。如果遇到大雨,两个人又要手忙脚乱地把机器往屋里搬。

  玛丽和她的丈夫全身心投入到了工作中。他们每天穿着沾满灰土、染着各种液体的工作服,守着锅中沸腾的矿物,不停地用手中的铁棍搅动。煤烟和有毒的气体刺激着他们的眼睛和嗓子,使他们十分难受。这种工作艰苦单调,就这样,一年、两年、三年地持续下去,镭还是没有出现。

  因为太艰苦,丈夫想暂时停止工作,可是居里夫人说:“不,我决不会放弃,相信我们一定会成功的!”他们想像着镭会有一种美丽的颜色,工作累了他们就会坐在一起聊聊这种新元素镭,这让他们激动而兴奋。

  终于有一天,玛丽和彼埃尔日思月想的镭出现了。

  那天晚上,他们回到家中后迟迟不能人睡。居里夫人的心里尤其感到一种不安定,她便站起来拉着丈夫说:“走,我们到那里去好吗?”

  “那里”就是他们的实验室。他们趁着月色急急地往实验室赶去,仿佛听见镭在轻轻呼唤他们。

  夫妇两人沿着街道,走过工厂、空地,走过一片住宅区,最后走进了他们的小小的实验室。

  门被打开后,玛丽轻轻地说:“亲爱的,别点灯!我们不是希望镭有美丽的颜色吗?”彼埃尔点点头,“那好,让我们来看看。”

  屋子里一片黑暗,在黑暗中若有若无地闪烁着一种荧火似的蓝光,它在黑暗中跳跃着,像是夜晚的一只萤火虫。玛丽望着这美丽的蓝光,激动得握紧彼埃尔的手。她知道他们成功了,这种美丽的光就是神秘元素镭发出的光。

  经过四年的时间,居里夫妇战胜了艰难困苦,证实了镭元素的存在。很多科学家原本不相信镭的存在,现在在事实面前不得不承认了。他们对居里夫妇表示敬佩。



有才子曰:国外名人故事:玛丽·居里(居里夫人)_1500字

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  147. /www/wwwroot/caiziyue/vendor/topthink/framework/src/think/facade/Route.php ( 4.70 KB )
  148. /www/wwwroot/caiziyue/vendor/topthink/think-multi-app/src/Url.php ( 7.52 KB )
  149. /www/wwwroot/caiziyue/vendor/topthink/framework/src/think/route/Url.php ( 14.07 KB )
  150. /www/wwwroot/caiziyue/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000423s ] mysql:host=127.0.0.1;port=3306;dbname=www_caiziyue_com;charset=utf8
  2. SHOW FULL COLUMNS FROM `qing_styles` [ RunTime:0.000641s ]
  3. SELECT * FROM `qing_styles` WHERE `etitle` = 'head' LIMIT 1 [ RunTime:0.000386s ]
  4. SHOW FULL COLUMNS FROM `qing_site_styles` [ RunTime:0.000497s ]
  5. SELECT * FROM `qing_site_styles` WHERE `id` = 1 LIMIT 1 [ RunTime:0.000286s ]
  6. SHOW FULL COLUMNS FROM `qing_category` [ RunTime:0.000444s ]
  7. SELECT * FROM `qing_category` WHERE `parent_id` = 0 AND `catetype` = 0 [ RunTime:0.000353s ]
  8. SELECT * FROM `qing_category` WHERE `parent_id` = 76 AND `status` = 1 ORDER BY `listorder` ASC [ RunTime:0.000440s ]
  9. SELECT * FROM `qing_category` WHERE `parent_id` = 77 AND `status` = 1 ORDER BY `listorder` ASC [ RunTime:0.000292s ]
  10. SELECT * FROM `qing_category` WHERE `parent_id` = 89 AND `status` = 1 ORDER BY `listorder` ASC [ RunTime:0.000298s ]
  11. SELECT * FROM `qing_category` WHERE `parent_id` = 95 AND `status` = 1 ORDER BY `listorder` ASC [ RunTime:0.000275s ]
  12. SELECT * FROM `qing_category` WHERE `parent_id` = 99 AND `status` = 1 ORDER BY `listorder` ASC [ RunTime:0.000394s ]
  13. SHOW FULL COLUMNS FROM `qing_nav` [ RunTime:0.000399s ]
  14. SELECT * FROM `qing_nav` WHERE `status` = 1 [ RunTime:0.000221s ]
  15. SHOW FULL COLUMNS FROM `qing_archives` [ RunTime:0.000510s ]
  16. SELECT * FROM `qing_archives` WHERE `id` = 13870 LIMIT 1 [ RunTime:0.001307s ]
  17. SHOW FULL COLUMNS FROM `qing_user` [ RunTime:0.000452s ]
  18. SELECT * FROM `qing_user` WHERE `iuid` = 87 LIMIT 1 [ RunTime:0.000310s ]
  19. UPDATE `qing_archives` SET `click` = 209 WHERE `id` = 13870 [ RunTime:0.002881s ]
  20. SELECT * FROM `qing_category` WHERE `id` = 103 LIMIT 1 [ RunTime:0.000622s ]
  21. SELECT * FROM `qing_category` WHERE `parent_id` = 95 ORDER BY `listorder` ASC [ RunTime:0.000957s ]
0.097098s