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上犹县妇幼保健人民医院肛肠痔疮内痔外痔混合痔治疗好吗赣州治疗慢性肠炎多少钱TED演讲视频:设计周遭的细菌环境我们的身体是微生物的家园和栖息地-某些对我们有益、某些对我们有害。当我们对这些邻居们了解更加深入之后,TED会员Jessica Green思索:我们是否能在建筑设计中创造出促进积极、有益的微生物生长的环境? Article/201702/494222宁都县治疗腹泻哪家医院好排名哪里 ;In the years that followed the Prophet Muhammad#39;s death in 632, the caliphs were essentially the political and religious leaders of the Muslim community. All Arab Muslims in the first century of Islam, realised that this was a new state-that what went on before wasn#39;t really relevant. These caliphs were not the successors of the Byzantine emperors or of the Sassanian king of kings. They might look to these people for solutions to administrative problems-how you collect money, and indeed what sort of money you make-but they wouldn#39;t see themselves as performing the same sort of role. This was a new dispensation.;公元632年,穆罕默德去世之后,哈里发成为穆斯林最重要的政治及宗教领袖。在伊斯兰历的最初一百年内,所有的阿拉伯穆斯林都意识到他们处在一个全新的国度,之前的一切都不重要。哈里发不是拜占庭皇帝的继承人,也不是萨珊王朝万王之王的继承人。他们也许会借鉴这些帝王管理国家的经验,比如如何收税,收哪些税,但他们并不认为自己与前人扮演着同样的角色。这个制度是全新的。One of the administrative solutions that Abd al-Malik borrowed from the Byzantine emperors was how to manage the currency. Up until now, the new Islamic empire had used hand-me-down coins from the pre-conquest era, or imported, and especially Byzantine, gold coins, but Abd al-Malik quickly saw what every chancellor of the exchequer has seen since, namely that there#39;ll be economic instability if a ruler does not control the quantity and the quality of his own money supply. He understood that coins are literally the stamp of authority, asserting the dominant power in the society using them-and that power was now his.阿卜杜勒马利克向拜占庭皇帝借鉴的管理手法之一便是货币管理。在此之前,新伊斯兰帝国所使用的货币要么是占领区的前朝传下来的,要么是从伊斯坦布尔进口的金币。但阿卜杜勒马利克很快意识到,如果不去控制货币的数量与质量,就会出现经济动荡。他也了解到货币是权力的印章,是向它所流通的社会表明统治权的手段,而统治权如今在他手中。It#39;s worth remembering that in the pre-modern world, coinage was often the only mass-produced item in use, and it was therefore a hugely significant element in the visual culture of a society-money was a billboard for the boss. And so the boss, Abd al-Malik, was stamped on this first overtly Islamic coinage. The Leader of the Faithful had ousted and replaced the emperors of Byzantium.在前现代社会,货币几乎是唯一一种在日常生活中被大量制造并流通的物品,因而也是一个国家视觉文化中最重要的因素。因此,阿卜杜勒马利克本人的形象出现在了伊斯兰第一款公开行的货币上。拜占庭皇帝被信徒的领路人取而代之。 Article/201508/394433兴国治疗内痔哪家医院好排名哪里

龙南县治疗肛门损伤多少钱Experts comment on Chinese president#39;s speech问题专家解读国家主席习近平演讲:透出新意和魅力Chinese President Xi Jinping also made a speech at the informal BRICS meeting on the same day. 中国国家主席习近平于同一天在金砖国家非正式会议上也发表了演讲。Take a listen to what insiders are saying about China#39;s involvement in the G20 and BRICS meetings.接下来我们来听一下内部人士对中国参与G20和金砖国家会议有何说法。译文属 Article/201511/411110龙南县妇幼保健人民医院看肛瘘多少钱 Nitrate containing compounds in the soil are generally soluble and ily migrate with ground water.含有硝酸盐的物质可以在土壤中分解并且污染地下水,Increased nitrate levels can present health risks to children.硝酸盐含量过高会影响儿童的身体健康Contaminated food stuffs, prepared baby foods,儿童饮食中一些食材受到污染and sausage preserved with nitrates and nitrites have caused exposure in children.以及含有亚硝酸盐和硝酸盐的香肠都对儿童的身体有害,Although vegetables are seldom a source of acute toxicity,尽管蔬菜通常并不会造成中毒,they account for more than 70% of the nitrates in a typical human diet.但人类饮食中70%的硝酸盐来自于蔬菜Cauliflower, spinach, collard greens, broccoli,花菜,菠菜,羽衣甘蓝嫩叶,花椰菜,and root vegetables have naturally greater以及根菜中的硝酸盐成分nitrate content than other plant foods do.都要高于其他食物The remainder of the nitrate in a typical diet comes from drinking water, about 21%,剩下的硝酸盐主要来自饮用水,大概占21%,and about 6% from meat and meat products in which还有6%来自于肉类和肉制品,因为为了保存sodium nitrate is used as a preservative and color enhancing agent.在它们的制作过程中用了硝酸钠For infants who are bottle fed,对于奶粉喂养的婴幼儿来说however, the major source of nitrate exposure in drinking water is used to mix powdered milk formula.硝酸盐的主要来源是饮用水和配方奶粉It appears that organic production of food results in有机食品中的硝酸盐含量lower nitrate levels most likely because nitrates are更低,这其中的原因或许是因为not allowed in organic food production.在有机食品生产过程中禁止使用硝酸盐A study conducted by Baker et al in 2002 summarized the2002年由贝克和其他人进行的研究results of 18 studies comparing nitrate levels of organic and conventional foods总结了18项对比有机食物和传统食物中硝酸盐含量的研究,and found 127 cases where nitrate levels were higher in conventional foods发现其中127例中传统食品的硝酸盐含量高43 cases where nitrate levels were higher in organic foods,43例中,有机食品的硝酸盐含量高and 6 cases where no difference was noted.另外6例中,两者的硝酸盐含量相当The Baker study demonstrates that organically贝克的研究表明,有机食物中的硝酸盐produced foods have lower detectable nitrate levels含量较低,由于有机食品生产过程中which is not surprising given that nitrates aren#39;t used in conventional farming.禁用硝酸盐,这一点不足为奇Now let#39;s look at the issue of nitrate in drinking water,下面我们来看看饮用水中的硝酸盐含量and what this means to you.这对你来说意味着什么The major sources of nitrates in drinking water are runoff from fertilizer use,饮用水中硝酸盐的主要来源是化肥的残留,leaching from septic tanks or sewage, and erosion of natural deposits.主要来自于化粪池和污水管道,还有自然沉积In 1974, Congress passed the Safe Drinking Water Act.1974年,国会通过了饮用水安全法案This law requires the EPA to determine the level of法律规定,环保局应当决定饮用水中contaminates in drinking water at which no adverse health affects are likely to occur.污染物的含量上限,以保不会对人体造成伤害,The EPA has set an enforceable regulation for nitrate called a环保局发布了强制性的监管条例,规定污染物的最高含量maximum contaminant level or MCL at这个最高含量标准也叫MCL10 milligrams per liter, or 10 parts per million.它的值为每升10毫克MCL#39;s are set by considering cost, benefits,MCL的制定过程考虑到了公共供水系统and the ability of public water systems to detect and利用合适的处理技术对污染物remove contaminants using suitable treatment technologies.进行检测和去除过程中的成本,能力和利润, Article/201511/410397赣州市南康区第一人民医院治疗直肠息肉价格

兴国县治疗外痔多少钱Alien life could range from simple,外星生物可能还在进化初期green slime that doesn#39;t do much but drip如一些沿石壁流下的绿色粘液 to more advanced animals something with a bit more bite.也可能是相当高等的动物,例如啮齿类动物But, of course, that#39;s just the start of what could be out here.但当然,这不过是最初的猜想In such a massive universe,在如此浩瀚的宇宙中 it#39;s logical to wonder if there are intelligent beings,我们自然会想,是否有智能生物存在perhaps even civilizations like those in science-fiction TV shows and movies.或许还有科幻片里描绘的外星文明;Star Wars; and ;Star Trek,; two of my personal favorites,《星球大战》与《星际迷航》这两部我最爱的电影may be closer to reality than we think.或许远比我们的想象更贴近现实Similar scenarios are at least conceivable.至少很可能拥有相似的情节But think about it more, and even this is limiting the options.但若深思,这其实也大大缩小了现实的可能There could be life forms so strange他们可能外表太过稀奇古怪we wouldn#39;t even recognize them as life.以至我们都认不出那是生物Perhaps there are really exotic creatures that live in center of stars亦或许他们习性奇特,居然生存在恒星的内部or even huge communities of microorganisms他们甚至可能是像宇宙尘埃一般的that look like clouds of cosmic dust.庞大的微生物群落Maybe aliens live and die so fast也许外星生物的生命如此短暂that they come and go in the blink of an eye.由生到死,不过转瞬So in such a vast universe with so many possibilities,总之在如此浩瀚的宇宙中,存在着无尽可能how do we know what to look for or,我们如何知晓要寻找的究竟为何物for that matter, where to look for it?更何况,又该从何入手呢The answer is right back where we began.一切都要回到人类起源之处去探寻The information we need is here at home,我们所需的线索,都在地球之上for the simple reason that home harbors the only known examples of life.只因为唯有此地育着为人所知的生命The laws of physics appear to be the same everywhere,物理学法则似乎放之四海而皆准So it follows that the laws of life should be universal, too.以此类推,生命法则也应如是Even if the detail is different,即使细枝末节或有不同We can use life on earth我们可将地球上生物 as a kind of alien hunters#39; handbook.作为一本了解外星生命的指南手册A field guide to what life actually is, and how it works来引导我们了解生命本质及其机理no matter where it occurs.无论它起源于何处 Article/201505/376173 栏目简介:;Shanghai Live; focuses on big events in the city and major issues around the world, and presents them in a practical and audience-friendly manner to meet the ever-evolving needs of Shanghai#39;s English-speaking viewers,both local and expatriate.《直播上海英语电台》集中报道城市大事件以及全球热点话题,并以观众喜闻乐见的方式呈现给大家,从而满足上海本地以及上海海外人士的英语需求。 Article/201507/385399石城县治疗结肠炎医院信丰县妇幼保健人民医院治疗肛门疣病价格



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