elevation相关论文
已证实早期冠状动脉支架术联合积极的抗血小板和抗栓治疗可显著降低中至高危急性冠状动脉综合征(ACS)患者的死亡率,明显改善近期和......
The δ~(18)O and δD values for meteoric water samples collected from eastern Xizang andwestern Sichuan and Guizhou sho......
According to my observation of the pre-vious Olymplc Gallies，the significance of hosting an Olymoiad lies mainly in its P......
目的探讨外周血Apelin水平对急性ST段抬高型心肌梗死(ST-elevation myocardial infarction,STEMI)患者病情及预后评估价值。方法 9......
Surface area is a fundamental parameter derived from terrain analysis in geographical information systems (GIS) for mode......
冰川表面吸收的太阳辐射能量由表面反照率确定。因此反照率在调节冰川的热量平衡中扮演了重要角色。由于全球气候变化,全世界的冰......
Labile organic carbon(LOC) is one of the most important indicators of soil organic matter quality and dynamics elevation......
As the Wenchuan Earthquake was of high magnitude and shallow seismic focus, it caused great dam- age and serious geohaza......
The continuous rapid growth of China’s economy and the elevation of its international status increasingly require the c......
Soil organic carbon (SOC) storage under different types of vegetations in China were estimated using measured data of 2......
Because of the intrinsic difficulty in determining distributions for wave periods,previous studies on wave period distri......
Hurricanes Katrina and Rita resulted in the largest number of platforms destroyed and damaged in the history of Gulf of ......
An extended form of Boussinesq-type equations with improved nonlinearity is presented for the water wave propagation and......
Effects of Vegetation Type on Surface Elevation Change in Liaohe River Delta Wetlands Facing Acceler
Rising sea levels threaten the sustainability of coastal wetlands around the globe. The ability of coastal marshes to ma......
Linear monitoring is an important link of bridge construction control,which is conducted in key processes of constructio......
鉴于尼泊尔地区地形复杂,大气和气候特性的局地性变化很强,我们尝试将遥感用于该地区复杂地形以检测大气参数.本研究评估了基于Lan......
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对贺兰山区进行分区的基础上,运用SPOT-NDVI数据对1998～2010年四季不同区的植被演变进行研究。结果表明,贺兰山植被高海拔区域的平......
Adaptive thermal comfort in the residential buildings of north east India—An effect of difference in
Thermal comfort standards are required not only to ensure good indoor climatic condition, but also to optimize the energ......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Demography of the threatened endemic shrub, Arbutus pavarii,in the Al-Akhdar mountainous landscape o
We sampled twenty populations of the vulnerable endemic shrub or tree, Arbutus pavarii Pampan., at different elevations ......
Composition and diversity of five major forest types in moist temperate climate of the western Himal
The present study was undertaken in five major forest types (dominated by Quercus semecarpifolia, Quercus floribunda, Ac......
Carbon stock of trees along an elevational gradient in temperate forests of Kedarnath Wildlife Sanct
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Estimates of Soil Organic Carbon Stocks in Zhejiang Province of China Based on 1∶50000 Soil Database
Soil organic carbon(SOC) is an important component of farming systems and global carbon cycle. Accurately estimating SOC......
榜样情绪是一种因“赞美他人”而诱发的积极情绪，它在激发亲社会行为、改善人际关系及促进自我完善中具有积极作用。本文重点阐述了......
This research presents a method for permafrost mapping in discontinuous permafrost regions based on equivalent latitude/......
The minimum curve radius is one of the most important factors in railway route design.The minimum curve radius of the Ha......
为解决大型汽轮发电机组轴系热态标高变化测量问题,开发了基于激光和PSD技术的轴系标高测试系统.介绍了轴承标高测量原理和PSD工作......
Composition and diversity of five major forest types in moist temperate climate of the western Himal
The present study was undertaken in five major forest types (dominated by Quercus semecarpifolia, Quercus floribunda, Ac......
开展品管圈活动,使床头抬高合格率从活动前的16.52％提高至活动后的89.04％.品管圈活动的开展有效地提高了重症医学科床头抬高合格率,......
Estimation of terrestrial biomass depends critically on reliable information about wood specific gravity of forest trees......
2013年,为探寻邵阳山地烟叶的最适播种期和移栽期,进行了不同海拔、不同品种、不同播种期和移栽期的的试验。结果表明:在海拔250、......
This research presents a method for permafrost mapping in discontinuous permafrost regions based on equivalent latitude/......
制图并分析秩--丰盛度分布(RADs)是描述物种集合特征的有效方法.研究一直认为,来自不同生境的RADs秩--丰盛度分布倾向于符合不同的......
采用样地、样点和常规测试方法,研究了不同海拔伏牛山主要类型森林土壤有机质碳含量和碳储量及其与海拔、坡向、pH值、植被类型的......
装配式建筑有着批量化生产、建造速度快、施工环境整洁且有效降低人工成本的特点,因而受到建筑各界的广泛欢迎。但由于其批量工业......
估算镜面反射点是GNSS-R应用的首要任务,目前主流的几种镜面反射点估计方法均未考虑反射点处海拔高度,使结果收敛到基准椭球面之上......
为研究不同海拔高度种植的雪茄烟多酚类物质含量差异,本试验以川雪一号为研究对象,采用大田试验的方法,研究不同海拔高度雪茄烟进......
文化是人类对自身的规定,本质上是人之为人的规定性,其基本功能是人对自身的自觉定义和主动塑造,因此文化是托举人,使人向上提升的......
在贵州省龙里林场进行不同海拔火炬松引种造林试验，经方差分析及多重比较，结果表明，随海拔的降低，火炬松林分平均胸径、平均树高、平均......
在铁路桥梁外业勘测设计中，尤其是在我国高速铁路全线桥梁所占比重大的情况下，耗费人力物力最多的就是航测平面图中铁路沿线桥址区地......
基于区域GNSS网络,提出了一种基于IGU实时预报星历和星间差分技术的GPS卫星钟差实时估计新方法,并对其精度及精度主要影响因素进行......
能否快速、准确、稳定实施对目标的捕获直接关系到测量船海上测控任务的成败，本文针对新测量船天伺馈系统的特性，及影响目标捕获的主......
克隆植物构垢可塑性可使它在不同海拔的环境中通过克隆生长，调整其对不同海拔的资源获取对策，因而具有重要的生态学意义。在一海拔高......
历书数据的有效性是决定接收机启动状态进而影响首次定位时间的重要因素之一。对不同龄期的历书数据在估计卫星仰角、信号传播时延......
在公路施工中 ,利用程序计算器 ,快速、准确地计算出任意点高程、尺读数和坐标 ,可加快施工和检查速度 ,为公路建设服务......
混凝土桥面铺装是桥面系的重要组成部分，直接影响到行车的安全性、舒适性、耐久性和投资效益，随着交通量和重型车辆的增加，特别是超载......
沪昆高速铁路DK219＋469～DK221＋319段为路基地段,受工程地质条件差异性变化影响,基底高程相差很大。结合施工单位的地质钻探勘验资料、......
CASIO fx-5800P编程计算器新增的统计串列、复数及类BASIC功能,给工程计算编程带来了极大的便利。使用fx-5800P计算器编制了公路与......
针对空间声源目标定位的精度问题,提出了利用移动机器人头部结构对声源信号的影响和转动自由度进行声源前后方位的判断,并在此基础......
