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The coastal region of south-eastern China has been by no meansstable.Richthofen believed that emergence characterized t......
Long-term protection effects of national reserve to forest vegetation in 4 decades: biodiversity cha
The Changbai Mountain Nature Reserve (CNR) was established in 1960 to protect the virgin Korean pine mixed hardwood fore......
Conducting a hazard assessment for secondary mountain hazards is the technical basis for reconstructing destroyed highwa......
The Relationship Between Vegetation Characteristics and Altitudes in Transitional Permafrost Zone in
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以烤烟品种K326、云烟87和中烟103为材料,分析了湖北省恩施州500、900和1 300 m 3个海拔下烤烟中性致香物质含量的差异。结果表明,......
在猫儿山自然保护区沿海拔梯度设置7个样地进行叶蜂调查.共采获叶蜂803头,隶属3科58属121种.统计分析表明,异鳞纹眶叶蜂(Claremont......
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为了更好地保护和管理武夷山自然遗产地的植被景观,利用3S技术和景观指数软件,对其植被景观指数随坡度、坡向和海拔高度空间分异的......
海拔高度是影响毛竹生长的重要环境因素。通过系统调查分析建瓯市不同海拔高度毛竹林生态系统中土壤养分状况,比较研究海拔高度对......
目的探讨高压氧（HBO）预适应对高原颅脑损伤（TBI）的神经保护作用。方法将78只SD大鼠随机分为平原组、高原组和高压氧预适应组，各组按Feen......
在用有能量补偿的闪烁型γ辐射剂量率仪测定陆地γ辐射剂量率D_γ时,需要从读数R中扣除对宇宙射线的响应。一般采用以下两种近似扣......
以低功耗单片机MSP430F247为控制核心,通过对GPS模块、大气压传感器、湿度传感器(SHT71)与时钟芯片(DS1302)采集的信息进行处理,文......
针对37 mm人影作业高炮炮弹推导质点外弹道的计算方法,模拟0 m海拔标准气象条件下的弹道诸元。结果发现:高海拔地区空气密度有所降......
Ground based, wind energy extraction systems have reached their maximum capability. The limitations of current de-signs ......
Blood Chemistry, Acid-Base, Electrolyte, Blood Lactate Metabolism and Sleep at 3480 m in Mountain Ma
Altered blood chemistry, acid-base and electrolyte are suggested determinants of sleep disturbance, with frequent arousa......
该文利用ISSR技术分析了大兴安岭北段4个不同海拔梯度、3个不同群落及3个纬度梯度的樟子松天然林群体的遗传多样性及遗传分化．16个......
