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2018年07月18日 12:41:57    日报  参与评论()人

上饶鄱阳县隆鼻多少钱上饶横峰县奥美定取出多少钱Scientists claim that they will soon be able to create the washout conditions. 据英国《每日邮报》8月31日报道,科学家称,他们很快就可以创造出降雨的条件了。  Using a powerful laser, researchers have created water droplets in the air.  研究人员用一个强大的激光发射器在空气中制造出水滴。 The technique, called laser-assisted water condensation, could one day unlock the secrets of weather cycles and enable humans to decide where and when it rains.  这项名为激光助水凝结的技术有一天将揭开气象周期的秘密,并帮助人类决定下雨的事件和地点。 While “cloud seeding” has existed for some time it is not considered a safe way of creating rainclouds because it involves filling the atmosphere with small particles such as dry ice and silver iodide.  虽然“云的催化”技术已存在一段时间了,但一般认为制造雨云不太安全,因为这需要向大气中喷洒像干冰和碘化银这样的小粒子。 This means that while raindrops can form, chemicals are often sp far and wide and potentially damage the environment.  这意味着在制造雨滴的同时要大范围地喷洒化学物质,从而有可能对环境造成破坏。 The new laser method is different because it uses natural humidity levels and atmospheric conditions to create water droplets.  而新的激光技术就不同了,因为它是利用自然的湿度和大气的条件来制造水滴的。 Physicist Jerome Kasparian, of the University of Geneva, said: “The laser can run continuously, you can aim it well, and you don't disperse huge amounts of silver iodide in the atmosphere.” 日内瓦大学的物理学家热罗姆-卡斯帕里安说:“激光能持续发射,可以很好地瞄准,这样我们就不需要向大气喷洒大量的碘化银了。”  “You can also turn the laser on and off at will, which makes it easier to assess whether it has any effect. When you disperse silver iodide into the sky, it is very hard to know whether it would have rained anyway,” Kasparian added.  “你可以随时开关激光,这样就能更容易地评估它是否有效了。而在天空中喷洒碘化银则很难判断其降雨效果。” 卡斯帕里安补充说。 Researchers showcased the new technique on the banks of the Rhone near Lake Geneva after constructing the gigantic mobile laser.  研究人员用一个巨大的移动激光器在日内瓦湖附近的罗纳河岸试验了这种技术。 Following 133 hours of firing a beam of intense laser light which created nitric acid particles in the air it resulted in binding the water molecules together to create droplets.  在连续133小小时向空中发射密集激光束从而在空中制造出硝酸粒子后,空气中的水分子凝聚在一起形成了小水滴。 Although it didn't form into actual rainfall, scientists remain positive they can soon manipulate weather conditions and even prevent showers.  尽管最后没有形成实际的降雨,但科学家仍然认为他们很快就能控制天气条件,甚至阻止降雨。 “Maybe one day this could be a way to attenuate the monsoon or reduce flooding in certain areas,” Kasparian said.  卡斯帕里安说:“也许有一天这种方法将能够减弱季风,或将少某些地方的洪水泛滥。” /201109/152998上饶市铁路医院抽脂多少钱 上饶万年县做处女膜修复多少钱

上饶韩美整形美容医院双眼皮手术怎么样美国签样本 EB-5项目延长3年,以不变应万变 2009年10月29日,美国“EB-5经济特区项目延长三年”议案在美国参众两院获得通过后,经总统正式签署生效。美国投资移民EB-5类经济特区项目从2009年10月30日起往后延期3年至2012年10月30日。在法案延期的3年内,移民美国的申请者将大幅增加,而审批周期也将随着人数的增多而相应延长,该项目延期3年之后极有可能大幅提高门槛。美国EB-5移民签类别是美国移民法中针对外国投资移民申请人所设立的移民类别,申请人投资正常经济区域需要100万美元,指定区域中心需要50万美元。上饶广丰区光子脱毛多少钱 德兴市妇幼保健院激光祛痘多少钱

上饶信州区注射丰唇一针多少钱Samp;P: 15 Percent Chance US Goes Off #39;Fiscal Cliff#39;标准普尔:美国跌落“财政悬崖”的概率为15%Standard amp; Poor#39;s on Thursday said it sees an increasing chance that the U.S. economy will go over the “fiscal cliff” next year, though policymakers will probably compromise in time to avoid that outcome.周四,标准普尔(标普)公布的报告指出,美国经济在明年跌落“财政悬崖”的可能性却越来越大,不过美国的决策者们可能会及时做出让步,来避免这样的结果。Analysts at the credit ratings agency now see about a 15 percent chance that political brinkmanship will push the U.S. economy — the world#39;s largest — over the fiscal cliff.该信用评级机构的分析人士日前指出,作为世界最大的经济体,美国因政治边缘政策而跌落“财政悬崖”的可能性约为15%。“The most likely scenario, in our view, is that policymakers reach sufficient political compromise in time to avoid most, if not all, potential economic effects of the cliff,” Samp;P analysts wrote.标普的分析师们这样写道,“我们认为,最可能发生的是,决策者们或可达成充分的政治让步,这样即便不能完全化解,也至少可以避免大部分因财政危机而引发的潜在的不良经济效应。”The automatic spending cuts coupled with significant tax increases in January could take an estimated 0 billion out of the U.S. economy and push it into recession, according to the non-partisan Congressional Budget Office#39;s assessment of the fiscal cliff.根据无党派国会预算办公室对财政危机的评估,明年一月自动生效的开削减和税赋大幅增加的措施,将会使美国在经济方面预计损失6000亿美元。同时也意味着美国将会被拖入经济衰退的泥沼之中。 /201211/209919 The world is facing a food crisis as the worst US drought in 50 years pushes agricultural commodity prices to record highs. 随着美国50年来最严重的旱情把大宗农产品价格推至创纪录高点,世界正在面临一场粮食危机。 Corn and soyabean prices surged yesterday, surpassing the peaks of the 2007-08 crisis that sparked food riots in 30 countries. Wheat prices are not yet at record levels but have rallied 50 per cent in five weeks, exceeding prices reached after Russia#39;s 2010 export ban.昨日玉米和大豆价格飙升,超出在30个国家引发粮食骚乱的2007-08年危机时的最高水平。小麦价格虽然尚未达到创纪录水平,但五周来已上涨50%,超出2010年俄罗斯实施出口禁令之后的价位。 The drought in the US, which supplies nearly half the world#39;s exports of corn and much of its soyabeans and wheat, will reverberate well beyond its borders, affecting consumers from Egypt to China.美国干旱引发的震荡,将远远超出其国境范围,影响到从埃及到中国的消费者,因为美国供应全球近一半的玉米出口以及相当大一部分大豆和小麦出口。 ;I#39;ve been in the business more than 30 years and this is by far and away the most serious weather issue and supply and demand problem that I have seen by a mile,; said a senior executive at a trading house. ;It#39;s not even comparable to 2007-08.;某家贸易公司的一名高管表示:;我从业已经有30多年,这显然是我见过的最恶劣的天气,也是我遇到的最糟糕的供给问题。就连2007-08年的危机也不能与之相提并论。; David Nelson, global strategist at Rabobank, said: ;Today the [US crop] disaster is real, whereas to some degree the big run-up in prices in 2008 was speculatively driven.;荷兰合作(Rabobank)全球策略师大卫?纳尔逊(David Nelson)表示:;当前(美国的收成)灾难是实实在在的,而2008年农作物价格飙升在某种程度上是由投机推动的。; In 2007-08, a spike in prices triggered food riots from Bangladesh to Haiti as the number of hungry people in the world surpassed 1bn. Economists point out that supplies of rice and to a lesser extent wheat – staples for the world#39;s poorest people – remain relatively abundant, subduing prices.2007-08年,价格飙升引发了从孟加拉国到海地的粮食骚乱,全球挨饿人口超过10亿。经济学家指出,当前大米以及(在较小程度上)小麦的供给相对充足,抑制了价格上涨,而大米和小麦是全球最贫困人口的主食。 However, Joseph Glauber, chief economist at the US Department of Agriculture, argued that the current situation was ;far better; than 2008. ;Prices are higher?.?.?.?there#39;s no question about that, but we really had an extreme shortage of wheat in 2007-2008 and I don#39;t see that at this point.;但美国农业部(USDA)首席经济学家约瑟夫?格劳贝尔(Joseph Glauber)辩称,当前的局势比2008年;好得多;。;价格比较高,这一点毫无疑问。但2007-08年时,小麦严重匮乏,而我现在没有看到这个问题。; Justin Forsyth, chief executive of Save the Children, said that the rise in prices was likely to have an exaggerated effect on the world#39;s poorest people. ;Large numbers of people live very close to the edge,; he said. ;Failed rains and high food prices have tipped lots of people over the edge from being able to cope to not being able to cope.;;拯救儿童基金会;(Save the Children)首席执行官贾斯廷?福赛思(Justin Forsyth)表示,粮价上涨很可能对全球最贫困人口产生放大的影响。他说:;很多人生活在边缘。天气干旱、粮价高企使很多人陷入绝境,从勉强糊口到朝不保夕。; The USDA slashed its corn production forecasts last week by the most in a quarter of a century, and conditions continue to deteriorate in the worst US drought since 1956.上周,美国农业部调低了玉米收成预期,降幅达25年来最高纪录。美国自1956年以来最严重的旱情继续恶化。 Meteorologists have warned that at least half of the US corn and soyabean belt will remain dry over the next fortnight, and traders have cut their estimates for the US corn crop by a further 8-15 per cent.气象学家已经提出警告,未来两周内,美国玉米和大豆生产带至少有一半地区持续干旱,交易商已将美国玉米收成估算进一步调降8%-15%。 ;I get on my knees every day and I#39;m saying an extra prayer right now,; Tom Vilsack, US agriculture secretary, said on Wednesday.美国农业部长汤姆?维尔萨克(Tom Vilsack)周三表示:;我每天都祈祷天气好转,现在我再多祈祷一次。; Prices for corn yesterday hit a record .16 a bushel, and traders believe prices could rise above by next month unless the weather in the US dramatically improves.玉米价格昨日达到每蒲式耳8.16美元的创纪录水平,交易商认为,如果美国天气没有出现大幅好转,下月价格可能涨至9美元上方。 /201207/191795上饶市第二人民医院玻尿酸多少钱上饶市韩美整形医院激光祛痣多少钱

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