您要查找的是不是:
- It is significant to assess the risk of aeolian sand disaster(ASD) in city for urban security and sustainable development in sandy area of northern China. 开展风沙灾害危险度评价研究,对促进中国北方沙区城市的安全与可持续发展具有重要意义。
- sandy area of northern China 中国北方沙区
- Carbon monoxide poisoning in the winter months is common in rural areas of northern China. 在中国北方农村地区,冬季一氧化碳中毒事件经常发生。
- rocky mountain area of northern China 华北土石山区
- Promoting sustainable development of improved grassland is an essential way to solve the feed shortage of livestock in ecton areas of Northern China. 摘要发展稳定、优质、高产人工草地是解决中国北方农牧交错带地区草畜矛盾的根本出路,而灌溉是发展人工草地的核心。
- Based on the analysis of models abroad, a model of soil erosion was set up to assess the impacts of conservation tillage practices in dry land areas of Northern China. 摘要在分析国外风蚀模型资料的基础上,建立了适用于保护性耕作的风蚀模型。
- Fight to the finish in defence of northern China and the seacoast. 为保卫华北和沿海各地而血战到底。
- The Dynamic Study of Soil Water in Rocky Mountain Area of Northern China 华北土石山区土壤水分动态研究
- Especially the desertification of northern China (sandy desertification) and the overwhelming majority of its size and rapid development concern. 尤其是我国北方的沙漠化(砂质荒漠化)以其面积广大和发展迅速而引人关注。
- Experimental Research on the Biological Water-saving Technology in the Semi-humid Area of Northern China 生物节水技术在华北半湿润偏旱区的试验研究
- Aligned Indicator Conditional Simulation of Probability of Karst-Fissure Media in Karst Area of Northern China 中国北方岩溶区含水岩溶裂隙介质的序列指示模拟研究
- Ammonium-bearing illite in Tonsteins of Permo-Carboniferous coal accumulation area of Northern China 华北石炭二叠纪聚煤区西部含铵伊利石-粘土岩夹矸的研究
- Nutrient balance in rice field ecosystem of northern China. 北方稻田生态系统养分平衡研究。
- Modes of occurrence of gold in supergene medium in arid areas of northern China 北方干旱区表生介质中金存在形式的研究
- L-324 of America black pop-lar and L-35, W-141, I-69 of Euro-American poplar are fit to the farm-shelter forest network of alluvial sandy area of old yellow river in Shandong province. 山东省黄河故道冲积沙地适宜于营造农田防护林网的优良无性系为美洲黑杨类的L-324,欧美杨类的L-35、W-141、I-69等。
- The area of desertization in Northern China slightly expanded over past 30 years. 近30年来,我国北方地区沙漠的面积有所扩大,但扩大不多;
- The whole farming-pastoral ecotone of northern China moved northwestwards. 交错带整体上已向西北移动。
- The foreland basins of the Mesozoic and Cenozoic in mid-western area of China are located in the eastern end of Northern Basin groups of Tethys tectonics. 前陆盆地是指呈线性收缩于造山带和克拉通之间、由造山带逆冲负荷引起挠曲并沉降成狭长的沉积单元。
- The precipitation is the key factor to determine the boundary and climatic potential productivity of interlock area of farming-pastoral region in northern China. 降水是决定农牧交错带位置及其气候生产力的关键因素,但未来干热的气候趋势有可能使该地区的环境状况变得更为严峻。
- The sandy area of the Yellow River 黄泛沙地