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吐鲁番市冷冻点痣多少钱乌鲁木齐丰唇新疆哪家美容院比较好 Carbon dioxide is a potent greenhouse gas.二氧化碳是一种强力的温室气体。Levels of carbon dioxide, or CO2, in the atmosphere are increasing at an unprecedented rate.大气中的二氧化碳的浓度正在以前所未有的速度增长。But what impact do higher CO2 levels have on plants?但是空发中高浓度的二氧化碳对植物有什么样的影响呢?Plants use CO2 from the air along with sunlight and water to produce carbohydrates they use for energy.植物运用空气中的二氧化碳,与阳光、水一起产生能量所需的碳水化合物。This process is called photosynthesis.这个过程叫做光合作用。Higher atmospheric CO2 increases the rate of photosynthesis, and thus the amount of carbohydrates in plant leaves.二氧化碳浓度较高的大气增加了光合作用的速率,因此植物中碳水化合物的数量就会过剩。Sounds beneficial, right?听起来很有利,对吧?However, scientists have found that asCO2 levels go up, plant defenses might go down.然而科学家们发现随着二氧化碳浓度的升高,植物的防御将会降低。Researchers at the University of Illinois used a special open-air research facility that allowed them togrow soybean plants in different concentrations of CO2—without changing other factors such assunlight, insects or rainfall.伊利诺伊大学的研究人员采用了特殊的露天研究设施,这些设施可以使他们在不同浓度的二氧化碳中种植大豆植物-不用改变其他的因素,如阳光,昆虫,或者雨水。They discovered that soybeans grown in fields with higher CO2 levels had much more insectdamage and attracted more adult insect pests than those in plots with less CO2 in the air.他们发现在较高浓度二氧化碳中种植的大豆会遭受更严重的虫害,与在空气中二氧化碳浓度较低的地方相比,它们会吸引更多的成年害虫。The insects might have been attracted by the higher carbohydrate levels in the leaves of plantsgrown in high CO2.这些昆虫被植物叶子中由高浓度的二氧化碳产生的高含量的碳水化合物所吸引。But a higher carb diet wasnt the only thing that encouraged infestation.但是高碳水化合物的饮食并不是引起虫害的唯一原因。Normally, soybean plants under attack by insects will produce jasmonic acid.一般来说,被昆虫攻击的大豆植物都会产生抑制昆虫消化叶子能力的茉莉酸,This inhibits theinsectsability to digest leaves, which protects the plant from further attack.以保护植物免受进一步的损害。In high CO2 atmospheres, the plants were unable to produce this defensive chemical.在高二氧化碳环境中,植物无法产生这种防御性化学物质。So, the dangers of rapidly increasing CO2 in our atmosphere might extend beyond climate change.所以二氧化碳急速增长所带来的危害可能远远不止气候变化。Since soybeans grown at higher CO2 would lose a crucial defense pathway and attractmore hungry beetles, other food crops might also be more vulnerable if CO2 levels continue torise.既然在高二氧化碳环境中种植的大豆会失去防御的关键通道并引来更多饥饿的甲虫,如果二氧化碳浓度继续升高的话,其它粮食作物可能也会变得更加脆弱。 201408/323073乌鲁木齐整形美容医院做祛疤手术好吗

阿克苏市激光除斑多少钱伊宁去雀斑多少钱 Business商业报道Women and work女性和工作The glass-ceiling index玻璃天花板指数The best—and worst—places to be a working woman职场女性待遇最好和最差的国家AS IT is International Womens Day on March 8th, The Economist has created a glass-ceiling index, to show where women have the best chances of equal treatment at work.今天是3月8日国际妇女节,《经济学人》就创造了一个玻璃天花板指数模型来向大家展示哪个地区的职场女性拥有最公平的待遇。It combines data on higher education, labour-force participation, pay, child-care costs, maternity rights, business-school applications and representation in senior jobs.这个模型中考虑到的指标有:高等教育、劳工参与度、薪酬、抚养子女的成本、妇权利、商学院申请、以及在高级职务中的表现。Each countrys score is a weighted average of its performance on nine indicators.每个国家的得分是这九项指标加权平均之后的结果。To no ones surprise, Nordic countries come out well on educational attainment and labour-force participation.毫无疑问的是,北欧国家在受教育水平和劳工参与度这两项指标上非常突出。Women are also relatively well represented in their parliaments; Finland and Sweden were among the first countries to allow women to vote and stand for election.女性在国会中也能享受相对较高的代表权;芬兰和瑞典都属于最先让女性享有选举权的国家。Yet even there women are paid less than men for similar work.然而即使这样,这儿的女性在应对相似的工作时拿到的薪酬也比男性要低。In Finland and Sweden the gap is close to the OECD average of 15%, though in Norway it has fallen to 8%.在芬兰和瑞典,男女收入差异已经接近经合组织收入平均水平的15%, 而在挪威男女收入差异仅仅只有8%。In Finland women accounted for almost half of those who took the GMAT, an entrance exam for business schools, in 2012-13.在芬兰,2012年至2013年参与GMAT考试的考生中有一大半是女性。Worldwide, the share was 43%, an increase of five points in a decade.在全世界来看,这一比例达到了43%,比10年前上升了五个百分点。In Norway nearly two-fifths of board members for the largest listed companies are women, thanks largely to the introduction of mandatory as in 2008.在挪威,最大的上市公司董事会中几乎有五分之二是女性,造成这一现象的很大一部分原因是2008年的强制配额。That is twice the share in the European Union, which is considering bringing in as if the current voluntary approach fails.该比例已经是欧盟的两倍了。欧盟表示,如果现行的自愿方式无法奏效的话,他们将会考虑引用强制配额。At the bottom of our index are Japan and South Korea.在指数列表低端的是日本和韩国。Too few women there have jobs, few senior managers or board members are women and pay gaps are large—in South Korea, at 37%, the largest in the OECD.在这两个国家,职场女性人数相当少,在高级职务和董事会成员中也少有女性的身影。并且,韩国男女收入差距在经合组织中是最高的,达到了37%。If, in the UNs words, equality for women is progress for all, both countries have a long way to go.如果用联合国的话来说,对于女性而言,平等意味着在各方面都有进步,那么这两个国家都还有很长的路要走。 /201403/279413乌鲁木齐省妇保医院整形中心

乌鲁木齐达坂城区去眼袋多少钱Business商业报道Antitrust and airlines反垄断和航空公司Brace, brace振奋起来,振奋起来The merger of American Airlines and US Airways meets resistance美国航空公司和全美航空合并困难重重FLYING conditions were perfect, it was widely agreed, when American Airlines and US Airways announced in February their intention to take off together.人们普遍认为,美国航空和全美航空2月份宣布同时起飞的意向时,他们的飞行条件是完美的。But on August 13th the airlines unexpectedly found themselves fighting severe headwinds as the Department of Justice and six state attorneys-general filed a lawsuit to ground the proposed merger for being anti-competitive.但是8月13日,航空公司发现他们受到了严重的阻碍,因为司法部和6位州检察官以反竞争为由提出诉讼阻止计划的合并。The trustbusters argued that this was a bad deal for passengers who would face higher air fares, higher fees and fewer choices.联邦反垄断察官辩论道,这对于乘客来说是一项坏的提议,他们将面临更高的票价,更高的费用和更少的选择。The new airline, to be called American Airlines Group, would be the worlds biggest, with around 187m passengers a year and more than 100,000 workers.新航线,即美国航空集团,将会称为世界上最大的航空公司,他们每年大约有1.87亿客流量并拥有10万多的员工。After decades of consolidation, this would leave over 80% of Americas domestic air-travel market in the hands of only four airlines:合并后的十几年,80%美国国内航空旅游市场会握在4大航空公司手中:the new one plus Delta, ed and Southwest.新航线,达美航空,联合航空和西南航空。Nor would the concentration of the industry be certain to stop.这个行业的集中当然也不会停止。There is speculation that one reason the trustbusters decided to fight this deal is that they suspect that the new airline is planning a further merger with ed.有推测说联邦反垄断检察官决定反对这项提议的一个理由是他们怀疑新航线打算进一步和联航合并。Their action may also indicate that the Obama administration intends to take a tougher line on antitrust laws in its second term.他们的行为也表明奥巴马政府打算在其第二任期内在反垄断法采取更强硬的路线。Is this concern justified?这个担忧是有充分理由的吗?There are many industries where robust full-throated competition persists despite less than a half-dozen major players, says Peter Clark of University College London, a co-author of a new book on mergers, Masterminding the Deal.来自伦敦大学学院的彼得#8226;克拉克,一本关于合并的新书《策划交易》的合著者说,有许多行业即使只有不到半打的主要的竞争对手,强劲有力的竞争还是会存在。Examples include telecoms, retail, oil, chemicals and media.具体实例包括电信、零售、石油、化学和媒体行业。Moreover, American and US Airways compete directly on only 12 domestic routes—which helps to explain why the merger was expected to win approval.而且美国航空和全美航空仅在12条国内航线上竞争,这也解释了为什么合并会预期通过。Yet the lawsuit shows that antitrust enforcers are taking a broader view of competition than has been typical when considering airline mergers in the past,然而这项诉讼表明反垄断实施者以更广阔的眼光看待竞争而非过去典型的考虑航空公司合并的问题的方法,by comparing the price American charges to fly direct between two cities with what US Airways charges between them with a stop en route.也就是通过比较美国航空在两个城市直飞的价格和全美航空两个城市之间有一个停顿的价格。Such flights take longer but are a lot cheaper. The antitrust authorities fear these attractive one-stop fares,这种航线时间长但是便宜很多。反垄断局担心这种一站式票价,which in some cases have been set low and energetically marketed by US Airways to win business from American, would go after the merger.在某些情况下被全美航空定得很低的,并积极地营销来从美国航空赢得生意的方法,在合并后会实行。American and US Airways say they will mount a vigorous defence of the deal.美国航空和全美航空称他们会对这项交易发起一个强烈维护。They will need to provide compelling evidence that passengers will benefit—presumably not least by the new airline providing stronger competition to Delta and ed.他们会提供有力的据明乘客将会从中获益—尤其是由新航线提供更强的竞争给达美航空和联航。They will also have to explain away a treasure trove of internal e-mails uncovered by the antitrust watchdogs which appear to show airline executives dreaming of the many ways they will be able to charge more after a merger.他们也必须为被反垄断检查团体揭露的内部邮件作辩解,这些邮件显示航空公司主管梦想着合并后许多方式他们能够收取更多费用。The airlines may try to settle the lawsuit before it gets to court by giving up certain routes to rivals or guaranteeing prices and services.航空公司可能通过把某些路线给竞争对手或者保价格和务的方式,尝试上法庭前解决诉讼问题。If they are wise, these will be concentrated on Reagan National Airport in Washington, DC.如果他们聪明,就会集中注意力在华盛顿特区的里根国家机场。The new carrier would control 69% of landing slots at an airport under the noses of regulators and politicians.这个新的载体将会在监管人和政客的监管下控制69%的降落跑道。This might constrain the operations of a rival, JetBlue, which leases slots from American and competes with US Airways to provide price competition on routes favoured by the nations politicians.这可能会限制对手捷蓝航空的运行,捷蓝航空向美国航空租用降落跑道,并与全美航空在受国家政客欢迎的线路上打价格战。 /201308/253593 Lexington莱克星顿Dreamy footsoldiers of the Left左派步兵,如痴如梦Some Democrats havent noticed that the next election is this year, not 2016一些民主党忽视下一场选举近在今年,而不是2016ELECTION fever grips the American Left. A mood of scrappy, let-us-at-em impatience unites such gatherings as Netroots Nation, an annual shindig which this year drew thousands of activists, organisers, bloggers and candidates to Detroit from July 17th-19th. Unfortunately for the broader Democratic Party, the election that inspires the grassroots is the 2016 presidential race. The mid-term congressional elections, which will happen much sooner (in November this year), provoke a more muted response, even though there is a good chance that Republicans will seize the Senate and cripple the rest of Barack Obamas presidency.选举的风潮波及美国左派。但像网根国民大会这样的组织已经躁动不安,火急火燎,它每年纵情狂欢,今年7月17日到19日更是吸引了成百上千的激进分子,组织者,部落格和竞选者至底特律,然而对于包揽更广的民主党来说,真正让草根阶层精神抖擞的却是2016年的总统选举,即使11月的国会中期选举在即,共和党很有可能纵览大局,其余民主党席位也岌岌可危,他们却是缄默不语。The kind of people who attend Netroots Nation are passionately and uncompromisingly left wing. Their champion is Senator Elizabeth Warren of Massachusetts, a former professor who crusades against “big banks”, “powerful corporations” and their enablers on the Right. “The game is rigged,” thundered Ms Warren, whose demands include more generous Social Security benefits (pensions) for the old (paid for with steep tax hikes), cheaper student loans, a higher minimum wage and other forms of redistribution. Not for her the business-friendly centrism of the Clinton clan. Hillary Clinton did not attend Netroots Nation, instead giving a TV interview in which she suggested that a bit of economic growth might make it easier to curb inequality.网根国民议会的参与者热情高涨,是不进油盐的左翼人士,他们拥护马塞诸塞州议员伊丽莎白沃伦,她是前任教授,反对大,有权势的的企业以及他们右派的柱,她怒喝道:”这种竞争无异于徇私舞弊。她要求给予老年人更优厚的社会保险(给老年人的养老补贴通过赋税急剧增长来买单),更便宜的学生贷款,更高的最低工资标准和其他形式的重新分配,对克林顿集团亲商界的温和主义路线嗤之以鼻,希拉里克林顿并未加入网根国民议会,她在电视访谈中说,经济一点点的增长,会使得缓解社会不公的工作更易进行Sweet dreams are made of this美梦何所在Ms Warrens warm-up act was Gary Peters, a local congressman who, unlike Ms Warren, is running for election this year. Mr Peters, a moderate ex-banker, is trying to win a Senate seat that Democrats desperately need to win but might not. He could use some grassroots support, but the crowd barely noticed him. They were too happy chanting “Run Liz, Run!” or waving “Elizabeth Warren for President” boater-style hats (“theyre fun, theyre old-timey,” said a hipster handing them out). Ms Warren says she is not running for the White House. No matter. Some 100 days from an election that could condemn Mr Obama to near-impotence, some progressives prefer to daydream about President Warren, “who wont stand for all the Wall Street bullshit”, to e a new (endearingly terrible) folk song by her supporters.沃伦小试牛刀的对手是加里比德斯,与沃伦不同,这位地区议员今年参加选举,他是一位温和的前家,尝试赢得一个民主党亟需的席位但可能不会成功,他能依赖一些草根阶层的持,但基本为大众所忽视,他们乐意高呼:冲吧,利兹,向前冲!或者挥舞着硬草帽,上面标着“伊丽莎白沃伦竞选总统”的字样,(一个赶时髦的人说“这种复古的帽子十分有趣”)沃伦说她不打算竞争入驻白宫,这并无大碍,距离100天的中期选举,足以将奥巴马贬到一文不值,一些进步人士梦想着总统沃伦,她的持者在新的民谣中唱道“她不会持华尔街的所有扯谈。”The Democrats footsoldiers can ill afford to daydream in 2014. Even as digital technology transforms elections, recent research shows that flesh-and-blood volunteers tend to trump paid advertising. Candidates need supporters to sway their friends and neighbours. This “ground war” is most crucial, for both sides, in the half-dozen swing states where Senate races could go either way. The trouble is, these states are quite conservative. So the Democrats running for office there often have views on guns, coal or fracking that appal progressives, who are therefore reluctant to knock on doors for them.民主党派没有在2014年做白日梦的资本,最近调查显示,即使在电子科技引领大选变革的今天,这些有血有肉的志愿者仍出资在广告上浓墨重,竞选者需要持者说他们的邻居朋友,这场“地面战”对于双方尤其重要,因为6个摇摆州的竞选走势难以预测,问题是,这些州趋于保守,而民主党人通常在,煤,水力压裂法等进步问题上持有一家之言,很难打开这些州选民的心扉。Like the Republicans with their Tea Party zealots, the Left must choose between purity and pragmatism. MoveOn, a lefty campaign behemoth which claims 8m members, has endorsed only nine Senate candidates so far in this election cycle, conspicuously excluding centrists in tight races in Georgia, Kentucky and Louisiana. The group will “sit out” some races; its members have drawn a “bright line” against endorsing senators who voted against increased background checks for gun-owners, for instance. In 2014 that rules out Mark Begich in Alaska and Mark Pryor in Arkansas.正如共和党与茶党狂热者意气相投,左派也必须在纯洁和实用主义之间作出选择,左派竞选巨头MoveOn声称说8m成员在竞选中只认可了9名议员竞选者,很明显让乔治利亚,肯塔基和路易斯安娜州激烈竞选中的温和派吃了闭门羹,这一组织在部分竞争中坐看好戏,例如与那些拒绝增加背景调查的议员划清界限,2014年,阿拉斯加的马克贝吉奇和阿肯色的马克普瑞被列入这一黑名单内。Another group, the Progressive Change Campaign Committee (PCCC), whose members raised over .7m for 2012 candidates, calls itself “the Elizabeth Warren wing of the Democratic Party”. Its leaders can sound Tea Party-ish, declaring that “ideology” matters as much as finding candidates who can win. The PCCC has invested in such hopeless causes as the Senate race in South Dakota to demonstrate the power of “anti-corporate” messages delivered by the Democratic candidate there. Several leftish groups think the mid-terms are a chance to show that economic populism is the best way to woo unhappy voters, nationwide.另一组织名叫渐进式改变运动委员会,该组织成员在2012年为竞选者募集了超过270万美元,自称是“民主党伊丽莎白沃伦之翼”,其领导者论调听起来有些茶党化,声称意识形态和找到必胜的候选人一样重要,这一组织也曾做了些无用功,如通过投资南达科他州的议员选举,以彰显该地民主党候选者抵制大企业声音高亢,一些左派组织认为中期选举是展示经济民粹主义在取悦全国选民方面,不失为最佳方式。Yet Tea Party parallels are imperfect. Flinty conservatives often scoff that moderate Republicans are no better than Democrats. Progressives are different: many think that Republicans are wicked. That pushes their leaders, at least, towards pragmatism. “We may have to compromise on some things [to beat the Republicans],” says a boss at Democracy For America (DFA), a group founded by Howard Dean, a former Vermont governor and presidential hopeful who claimed to represent “the Democratic wing of the Democratic Party”. Take Alaskas embattled senator. To DFA, Mr Begich has been “terrible” on oil and gas and “not good” on guns. But he is “fantastic” on inequality. In Louisiana local DFA members are holding their noses and helping a pro-oil Democrat, Senator Mary Landrieu. Ultimately, DFA vows to be “all over” any race that might decide the fate of the Senate. Should Democrats lose in 2014, blame candidates “who didnt run on expanding Social Security or [raising] the minimum wage,” insists Charles Chamberlain, DFAs executive director.但茶党也不尽完美,强硬的保守党人常责备温和的共和党人比民主党人好不到哪儿去,但进步人士的观点不同,他们的很多认为共和党人十分邪恶,这至少驱使他们的领导者倾向于实用主义,一位领导者在民主美国组织上说,我们必须在部分问题上做出妥协以打败共和党人,这一组织是由前佛蒙特州长哈沃德迪安创立的,他可能会成为“民主党民主翼”的代表,击败阿拉斯加州四面楚歌的议员。对民主美国组织而言,贝吉奇在问题上的表现糟糕,在石油天然气上尤差,却在社会不公问题上异想天开。路易斯安娜州地区组织成员极不情愿的帮了一位持石油使用的民主党人玛丽朗德里厄,但最终他们还是发誓将在任何决定其命运的竞选中取得压倒性优势。该组织行政官查尔斯张伯伦说,如果民主党派在2014年大选中铩羽而归,责任就在那些不愿增加社会保险和最低工资的竞选者身上。Both DFA and the PCCC plan to use digital wizardry to help members place campaign calls to districts across the country: a nifty trick in places where members despise their own partys local candidates. MoveOn tells activists that saving the Senate is the “most important priority” of 2014, reminding them that Mr Obamas ability to nominate judges is in the balance. Over on the centre-ground, Ready for Hillary, a group working to rally a volunteer army for Mrs Clintons use (should she choose to run in 2016), will “amplify” any 2014 endorsements made by their heroine, instantly urging supporters to lend a hand to that campaign.民主美国和渐进式改变运动委员会计划使用数据技术将竞选推及全国各区,但对于那些对本区竞选者嗤之以鼻的人来说,这种伎俩口惠而实不至,MoveOn告诫激进分子保留议员席位是2014年的当务之急,提醒他们说奥巴马提名法官的能力已被架空。在中部阵营,一组织正在为克林顿招兵买马,一旦她决定参加2016年大选,便为之所用,他们将大肆宣扬这位“巾帼”在2014年所作出的任何承诺,不断要求持者助竞选一臂之力。On current showing, many will ignore such calls to arms in 2014. Despair with Mr Obama and this Congress may be part of the explanation. Progressive footsoldiers are waiting for the scrap that really interests them: a fight to drag the Democratic Party leftwards to victory in 2016. Republicans, who have plenty of problems of their own, cannot believe their luck.当下局势是,很多人都忽视了2014年为自身阵营添砖加瓦的号召,对于奥巴马和本届国会不屑一顾是原因之一,进步人士循其兴趣伺机而动,等待2016年将奥巴马和民主党一举拿下的完胜。共和党人自身弊病颇多,不敢靠运气行事。 /201408/317300北屯活细胞丰胸价格乌鲁木齐做埋线双眼皮哪个地方好

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