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- A list of the plants in loess region of the middle reaches of Yellow River. 黄河中游黄土区植物名录。
- Hilly-gullied Loess region is the most fragile and underdeveloped area of the Loess Plateau. 摘要黄土丘陵沟壑区是黄土高原生态环境极其脆弱,经济发展十分落后的地区。
- Nutrient distribution and accumulation pattern of Chinese pine plantation ecosystems in the loess region. 黄土区油松人工林生态系统营养元素分配格局和积累的研究。
- Abstract The key technique of mapping of channel network in hilly loess region is the automated extraction technique of the channel network. 摘要黄土丘陵沟壑区沟谷网络自动制图技术的核心是沟谷网络的自动提取技术。
- The key technique of mapping of channel network in hilly loess region is the automated extraction technique of the channel network. 黄土丘陵沟壑区沟谷网络自动制图技术的核心是沟谷网络的自动提取技术。
- Li xiaoyan.Gravel-sand mulch for soil and water conservation in the semiarid loess region of northwest China[J].Catena,2003,2:105-127. 王亚军谢忠奎张志山魏兴琥李凤琴.;甘肃砂田西瓜覆膜补灌效应研究[J]
- This study provides scientific basis for forestation of seabuckthorn and speed harnessing harness barren hills on semiarid Loess Region. 本研究为沙棘在黄土高原半干旱区大面积荒山抗旱造林,经营管理提供了科学依据。
- This paper presents the analysis results of the soil microbe distribution and enzymatic activity in the young apple garden with different intercropping system in the loess region. 研究了黄土塬区塬面不同套种作物的幼树苹果园土壤微生物的分布和酶活性。
- Zichang section of West-East gas transfer pipeline in Shanxi Province of China is one of the fearful sections of frequent landslide disaster traversing the loess region. 摘要陕西子长段是西气东输管道穿越黄土地区滑坡灾害频发区的严重段之一。
- By investigating and analyzing typical watershed on gully and rolling loess region, and gullied loess plateau, the paper preliminarily defines the measure and combination of comprehensive harnessing ways of soil and conservation. 摘要通过对黄土高塬多沙粗沙区涉及较多的黄土丘陵沟壑区和黄土高塬沟壑区几条典型小流域和现有治理模式的调查分析,初步确定了多沙粗沙区两个主要侵蚀类型区的水土保持措施组合方案。
- Design of Onshore Tunnel in Loess Region 陆上黄土隧道设计
- Entrance Design of Onshore Tunnel in Loess Region 黄土地区陆上隧道洞口设计
- loess region in northern Shaanxi 陕北黄土地区
- loess region of North Shaanxi Province 陕北黄土区
- Other important findings are that the key influences on loess structure are not uniform across loess regions, and that achievement of higher loess structural integrity is difficult under very high and very low clay content. 黏粒含量对黄土结构性的影响不是单一的,黏粒含量过高或过低都难以得到较强的结构性。
- Most insect do not live in polar region. 大多数的昆虫不在极地地区生存。
- The earthquake may cause a region to fall in. 地震可以使一个地区下陷。
- Storms spring up easily in this region. 这个地区很容易发生风暴。
- STUDY OF AUTOMATED MAPPING OF CHANNEL NETWORK IN HILLY LOESS REGION 黄土丘陵沟壑区沟谷网络自动制图技术研究
- hill-gully area of the loess regions 黄土丘陵沟壑区