Based on the framework of the geo-info spectra of montane altitudinal belts, this paper firstly reviews six classification systems for the spectra of mountain altitudinal belts in China and considers
Dry valleys are a striking geographic landscape in Hengduan Mountains Region and are characterized by low rainfall, desert type of vegetation and fragile environment. Past efforts and resources have b
As the main body of Qinghai-Tibetan Plateau, North Tibet Plateau is one of three major sandy desertification regions in China and also a representative sandy desertification zone of Qinghai-Tibet Plat
椭圆偏振术是一种新兴的用于研究生物分子固相表面吸附以及吸附分子间相互作用的表面分析技术。因其具有测量过程不破坏被测体系,灵敏度高(可达原子尺寸)等优点,正逐渐受到生物医学领域研究者的重视,并在医用人造材料的血液相容性、排异反应,以及生物分子的电化学反应机制等相关研究中得到了初步的应用。结果表明,该技术能在几秒钟内检测到固体材料表面吸附的血浆蛋白薄膜,能拍摄到牛血清白蛋白(BSA)和BSA抗体的复合
以“圆柱体密度测量数据处理”课件的制作为例阐述如何利用FlashMX制作实验数据处理课件。
Sediment has been identified as a significant threat to water quality and channel clogging that in turn may lead to river flooding. With the increasing awareness of the impairment from sediment to wat
根据Pro/ENGINEER设计模型的视图熏运用数据交换将视图输入到AutoCAD中熏在AutoCAD中创建符合我国国家标准的工程图.探讨了基于Pro/ENGINEER模型的视图创建符合我国国家标准工程图的方法。
通过环境激励模态识别技术对一座中高层新结构大楼环境激励试验建模研究。首先介绍了试验模型设计 ,并在现场测量整栋大楼在环境激励下的振动响应。然后采用新发展的频率空间域方法 ( FSDD)进行模态识别 ,分别在 0~ 4.5 Hz和 0~ 6.5 Hz频率范围识别出 9阶弯曲和扭转模态频率和振型。采用频率空间域方法识别了结构的阻尼特性 ,并得到满意的结果。所得试验模型已成功应用于 CFT大楼的有限元动