| 1. | Cause analysis of fluorine ion distribution of groundwater in yanchi , ningxia autonomous region 盐池地区地下水中氟离子的分布及其成因 |
| 2. | Research on the construction of the yellow river protection forest system in ningxia autonomous region 宁夏段黄河护岸林体系结构的研究 |
| 3. | Water power plant at chaipingpu in sichuan province and huanghe shapotou in ningxia autonomous region 四川省紫坪铺和宁夏自治区黄河沙坡头的水利枢纽工程; |
| 4. | 1 to take charge of marketing sales business in gansu province , ningxia autonomous region and qinghai province 隶属西北片区,负责甘肃宁夏青海三个省的业务拓展及销售管理 |
| 5. | This essay is focused on the ningxia autonomous region of the hui nationality , ranging from the neolithic age to the death of the qing dynasty in 1911 本文研究的空间范围基本上局限于今日的宁夏回族自治区政区,时间跨度是新石器时代至清朝灭亡的1911年。 |
| 6. | The water saving potential of ningxia autonomous region is analyzed by coupling the water deployment model of generalized water resources with regional water cycling model 摘要通过广义水资源配置模型和平原区水循环模型的有机耦合,分析了宁夏的真实节水潜力耗水节约量,并建立了宁夏平原区取用水节水与耗水节水二者之间的定量化关系。 |
| 7. | Ningxia yellow river irrigation area is a big famous irrigation area in china and has over 2 , 000 years history , there are 17 main canals ( 1540 km length ) and 6 , 450 , 000 mu area , it plays a very important role in development of ecnomic and social of ningxia autonomous region 宁夏引黄灌区是我国著名的大型古老灌区,具有两千多年的灌溉历史。现有干渠17条,长1540km ,实际灌溉面积645万亩,是自治区经济和社会发展的重要基础。 |
| 8. | Based on the latest fieldworks and studies of the phonological features and internal vs . external discrepancies of zhongyuan guanhua in shanxi , shaanxi provinces and ningxia autonomous region as in the language atlas of china , the paper makes some appropriate adjustments 本文根据新的调查研究成果,在《中国语言地图集》的基础上讨论了山西、陕西、宁夏境内中原官话的语音特点和内部、外部差异,对三省区的方言区划作了适当调整。 |
| 9. | There are 30 participants representing governments , agri - food processors and farmers associations from the pilot project areas of sichuan and imar . of that , 2 participants from ningxia autonomous region are invited as guest participants considered as project extended impact 来自“小农户适应全球市场发展项目”内蒙和四川省示范点的政府企业和农民协会代表共30人应邀参加了培训,其中还包括2名宁夏自治区的特邀代表,旨在扩大项目影响。 |
| 10. | Landforms , soil , climate and characteristics of distribution in time and space in ningxia of draughts , disasters caused by wind and sand , floods and waterlodgging caused by hail , frost injury and earthquakes . the eighth chapter is on the relationships of environmental changing and the development of the agriculture and livestock husbandry in ningxia autonomous region which covers two sections : namely the historical processes of the human activities and the changing of the forests in ningxia , and the human activities and spreading of the deserts . the ninth chapter is a chapter that studies the regional divergence of the productivity level and the experiences and lessons of the development of agriculture and livestock husbandry 下篇是宁夏农牧业发展等因素与环境变迁的关系,这又包括三章:第七章是农牧业发展的自然条件,即地貌、土壤、气候,以及历史时期宁夏旱灾、风沙灾害、水涝灾害、雹灾、霜冻灾害、地震灾害的时空分布特征;第八章是宁夏农牧业发展等因素与环境变迁的关系,这包括人类活动与宁夏森林的变迁、人类活动与宁夏土地沙漠化的历史演进两部分;第九章是宁夏南、北农牧业生产力水平的地区差异及农牧业开发的经验教训。 |