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2017年10月20日 11:18:48|来源:国际在线|编辑:无线盒子
Thirty years ago, crayfish were little more than a nuisance for the rice farmers of eastern and central China, but the invasive species has become big business for one city.30年前,对于中国东部和中部的稻农来说,小龙虾是一个公害。然而,这个入侵的物种已经成为了一座城市的主要产业。Nearly two of three crayfish eaten in Europe hail from the small town of Qianjiang in Hubei Province. Qianjiang sold 0 million worth of the crustacean to foreign buyers in 2015, up 27 percent year-on-year, becoming the country#39;s largest crayfish export base.出口到欧洲的龙虾,约有三分之二来自于湖北省潜江市这个小城市。潜江市2015年出口的小龙虾价值约1.9亿美元,同比增长27%,成为中国最大的小龙虾出口基地。To sharpen its edge in the industry, the town set up a research institute dedicated to breeding crayfish in mid-June, shortly after it opened a vocational school to train cooks in preparing crayfish dishes.潜江市开了一家职业学校专门培训烹饪小龙虾的厨师,不久之后的6月中旬,该市又建立了一个小龙虾养殖中心,以增强其产业优势。China is the world#39;s largest producer of crayfish, with annual output accounting for over 70 percent of the world#39;s total. Native to North America, crayfish were brought to east China#39;s Jiangsu Province by a Japanese merchant in the 1920s. They appeared in the Jianghan Plain, where Qianjiang is located, about 30 years ago. With fertile land and a large network of rivers and lakes, the plain is an ideal habitat for the species.中国是世界是最大的小龙虾产地,年出口量占全球总份额的70%。小龙虾原产北美洲,上世纪20年代,一位日本商人将其引入到了中国江苏省。约30年前,小龙虾出现在了江汉平原,而这里正是潜江市所在地。凭借肥沃的土地和大型的河流湖泊网络,江汉平原成了小龙虾的理想栖息地。They weren#39;t always a welcome addition to the ecosystem, especially for local farmers. ;They pinched off rice seedlings in the paddy fields, and made tunnels in ridges that caused water loss,; said Liu Zhuquan from Baowan Village in Qianjiang.除了生态系统外,他们并非总是如此的受欢迎,尤其是对于当地农民来说。潜江市宝湾村村民刘朱全说,“他们咬断田里的水稻苗,在垄上打洞使得水分流失。”Later, however, villagers came to find the shellfish tasty and started raising them in the paddies in 2001.不过,后来,人们发现这种甲壳类动物很美味,于是,自2001年就开始在稻田里养殖。Liu said this summer his crayfish have sold for 60 yuan (about ) per kilogram, while his rice goes for 32 yuan a kilogram -- both much higher than prices elsewhere.刘朱全表示,今年夏天他的小龙虾卖到了60元(约9美元)一公斤,而他的大米卖32元一公斤--二者的价格都比其他地方的要高。Farming crayfish and rice simultaneously does not require chemical fertilizers, pesticides or result in contaminated water, ensuring safe products. Green farming methods help improve the quality of both crayfish and rice, according to Jiang Youyu, head of Qianjiang#39;s crayfish farming association.潜江小龙虾养殖协会负责人江有玉介绍,养殖小龙虾和种大米,都不需要化肥、杀虫剂,也不会污染水源,保了产品的安全。绿色农业技术又帮助提高了二者的质量。E-commerce has helped expand the domestic market for Qianjiang crayfish, with revenue from online sales exceeding 100 million yuan last year. Spicy crayfish dishes are popular across the country to pair with beer on summer nights.电子商务平台帮助潜江小龙虾扩大了国内市场业务,去年网络平台的营收超过了1亿元。中国各地都非常流行麻辣小龙虾配上啤酒作夜宵。 /201607/454435

Li Siguang (1889~1971), is the founder of China#39;s geomechanics. A native of Huanggang, Hubei, Li studied in Japan and the ed States in his early years.李四光(1889~1971),中国地质力学的创建人,湖北黄冈人。早年曾在日本、美国留学。He became a geological professor at Peking University upon his return from abroad in 1920.1920年回国到北京大学任地质学教授。After the People#39;s Republic of China was established, Li held the positions of deputy president of the Chinese Academy of Sciences and minister of geology.中华人民共和国成立后,李四光任中国科学院副院长、地质部部长。In the 1920s, Li Siguang set up the subject of geological mechanics and made great contribution to the geological theory.1920年,李四光创立了地质力学,为地质理论作出了巨大贡献。He studied lithosphere with the mechanic theory, and established the tectonic system, one of the basic concepts of tectonic mechanics. He provided new ways to explore the natural phenomena and ushered in new ways of studying the lithosphere movement.李四光运用力学观点来研究地壳运动现象,建立了“构造体系”这一地质力学的基本概念,为探索地质自然现象提供了新方法,为研究地壳运动规律开辟了新途径。His theory made great contribution to China#39;s oil reconnaissance and survey, changing the situation of “oil-deficiency; in the country, enabling the large-scale development of oil fields to raise the country to the ranks of the world major oil producers.他的理论为中国石油勘探作出巨大贡献,改变中国的“缺油”局面,使得大规模的油田发展将中国变成了世界主要的石油生产国。With the geological mechanics, he analyzed the geology and pointed out that China had abundant oil and gas resources.李四光运用地质力学分析了中国地质构造特点,认为中国具有广阔的找油远景。The continuous development of Daqing oilfield, Shengli oilfield and Dagang oilfield proved that Li Siguang was really far-sighted in science.大庆、胜利、大港等油田的相继发现实了李四光的科学预见。In the earthquake studies, Li Siguang emphasized the importance of observing changes in terrestrial stress on the base of studying geological structural movement, and showed clearly the orientation for earthquake forecasting work.在地震地质工作方面,李四光强调在研究地质构造活动性的基础上,观察地应力的变化,为实现地震预报指出了方向。What#39;s more, as early as the 1920s, Li Siguang visited many places such as the piedmont of Taihang Mountain, Datong Basin, Lushan Mountain and Huangshan Mountain, and found the vestige variations of the Quaternary Period glacier.此外,李四光早在20年代初,实地考察了太行山麓、大同盆地、庐山和黄山等地,先后发现第四纪冰川遗迹。He proved wrong many academic authorities#39; conclusion that China had no Quaternary Period glacier.推翻了国际上许多冰川学权威断言中国无第四纪冰川的错误结论。 /201604/435075

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