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Numerical simulation of temperature field of soil around the horizontal ground pipe;2. The paper presents a new technique of producing methane with solar heating in cold area,develops the experiment system for producing methane with solar heating,studies the heat-transfer content、temperature difference of heat interchanger and temperature field of soil around the digester fermenting,gives the value of heat .

为解决北方地区由于冬季气温、地温低，沼气生产存在产气率低、使用率低、原料分解率低、沼气使用综合效益差等问题，文章介绍了一种利用太阳能加热制取沼气的方法，建立了太阳能加热制取沼气的试验系统，研究了换热器的加热量、进出口温差以及沼气池周围土壤温度场的变化情况，并给出了换热器的传热系数。

The paper presents a new technique of producing methane with solar heating in cold area,develops the experiment system for producing methane with solar heating,studies the heat-transfer content、temperature difference of heat interchanger and temperature field of soil around the digester fermenting,gives the value of heat .

为解决北方地区由于冬季气温、地温低，沼气生产存在产气率低、使用率低、原料分解率低、沼气使用综合效益差等问题，文章介绍了一种利用太阳能加热制取沼气的方法，建立了太阳能加热制取沼气的试验系统，研究了换热器的加热量、进出口温差以及沼气池周围土壤温度场的变化情况，并给出了换热器的传热系数。

The area of Nantong in Jiangsu Province is a fluvial plain by Yangtze River. To the north of the mouth of river to the sea is a beach plain, which was once the boundless ocean in history, through the development of history, form the wide seabeach finally. The two plains, which are in the different location, have the different ways to utilize the soil. The Yangtze Fluvial Plain, whose soil is fertile, grew to be the well-known area of producing cotton, with people outnumbering the farmland, while the beach plain became a famous salt field. With the development of the coastline, Huainan saltern declined day by day and at the beginning of 20th century, under the advocate of local government and the call of modern industrialist, Mr. Zhang Jian, the salt field in the North of Jiangsu province underwent a great reclaim-plain movement, which brought a tide of spontaneous immigration to the area. During the movement, the key problem is the contest for the ground. As the ownership of the land of salt fields is complex, the unification of the ownerhship of land was not easy. Zhang creatively took advantage of the form of modern joint-stock company to solve the problem.

江苏省长江口北岸现南通地区为长江冲积平原，沿江口向北为海岸淤涨地区，历史上这里曾是汪洋大海，经过多年历史演变，终于形成广阔的海滩，两个不同的淤涨地区，对土地的利用截然不同，沿江地区土地肥沃，逐渐成为著名的棉产地，人多地少；沿海则成为我国历史上著名的两淮盐产地，随着海岸线的演变，淮南盐场日益没落，20世纪初，在政府的提倡和近代实业家张謇的发动号召下，苏北盐垦地区发起了一场波澜壮阔的垦殖运动，与此相适应的则是一场自发的移民大潮，在这两大潮流中，最核心的是对地权的争夺，由于两淮盐场地权复杂，统一地权实属不易，张謇等人创造性地运用近代股份公司的形式解决了这一难题。

Yantai, Shandong pear are the main producing areas, yellow cultivars Magistrate to pear, Qixia great perfume pears, pear Laiyang Chi, Lacey CRYSTAL PEAR and perfume pear; Hebei Province, Baoding, Handan, Shijiazhuang, Xingtai area, the main varieties of pear, Xuehua Li, round Pineapple, lilac pear, red pear; Suizhong Liaoning Province, North Town, Yixian, Jinxi, Fuxin and other landlords fall bai pear production, pears and autumn sub-system, some of the varieties of pears ; Anhui Dangshan and the surrounding area for the pear-producing areas; Shanxi Gaoping for large Pineapple growing areas, the original flat Zeyi Pineapple and Avocado mainly contains species; Gansu Province, Lanzhou in order to produce well-known winter pear fruit; Sichuan, Jinchuan Cangxi Sydney and Sydney ; Xinjiang Korla Pear and Pear, Yantai, Dalian, pears are also famous.

主要梨产区有山东烟台，栽培品种有黄县长把梨、栖霞大香水梨、莱阳茌梨、莱西水晶梨和香水梨；河北省保定、邯郸、石家庄、邢台一带，主要品种为鸭梨、雪花梨、圆黄梨、雪青梨、红梨；辽宁省绥中、北镇、义县、锦西、阜新等地主产秋白梨、鸭梨和秋子梨系统的一些品种；安徽省砀山及周围一带为酥梨产区；山西高平为大黄梨产区，原平则以黄梨和油梨为主载品种；甘肃兰州以出产冬果梨闻名；四川的金川雪梨和苍溪雪梨；新疆的库尔勒香梨和酥梨，烟台、大连的西洋梨也都驰名中外。

The research aimed to understand the resistance of different types of wheat varieties to late frostbite in Huanghuai wheat-producing area.

［目的］了解黄淮麦区不同类型小麦品种抗晚霜冻害的能力。

The agriculture ministry says water shortages are affecting up to 43% of the country's wheat-producing area and around 3.7m people, from Shandong province on the east coast to Gansu province far inland.

中国在气候变化问题上的立场和政策举世关注。美国能源部和外交部，欧洲将进一步向中国施加压力，要求合作抵御气候变化灾难。

Food: 1 Wheat: Ministry of Water Resources reported that due to widespread draught, 137mn Mus of wheat-producing area in Northern China were hit badly.

小麦：水资源部报告称由于大面积的干旱，中国北方1.37亿亩小麦种植区域遭受严重影响。

The agriculture ministry says water shortages are affecting up to 43% of the country's wheat-producing area and around 3.7m people, from Shandong province on the east coast to Gansu province far inland.

农业部说，降水不足影响到中国43%的小麦产地，大概造成370万人饮水困难，受灾省份东起沿海省份山东西至内陆省份甘肃。

The data analysis is done with the method of combining the index appraisal and weight-measuring appraisal. The authors also used the GIS to analyze the spatial distribution of the environmental qualities in the green food producing area with the...

结果表明，庆安县中部和西南部的环境质量最好，最适宜发展 AA级绿色食品基地；西北部和东南部的绿色食品产地环境质量虽然是清洁、安全的，但有逐渐恶化趋势，需引起进一步关注。

Safeguard should strengthen safeguard to plant of especially big wild tea tree, forbidden collect a leaf to gather Xie Cai fruit, suggest the hill of glutinous of Yunnan Meng Hainan distributinging concentration delimits for wild tea tree protection is nodded, maintain necessary zoology environment, creation is natural and progenitive churchyard still has a Yunnan producing area of Camellia Taheishangensis F.S.

保护措施对特大的野茶树植株应加强保护措施，严禁采叶采叶采果，建议将分布集中的云南勐海南糯山划为野茶树保护点，保持必要的生态环境，创造天然繁殖条云南境内尚有大黑山野茶Camellia taheishangensis F.S。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。