Characteristics of U-pattern distribution of highconcentration ^210pb in surface air at central Guiz

来源 :中国科学通报:英文版 | 被引量 : 0次 | 上传用户:lixuhai88888
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
A better understanding of the variation of 210Pb concentrations in the surface air is the key to trace lake sedimentation and catchment erosion, to establish and validate the global diffusion model of contaminants, and to assess the impact of natural radi
其他文献
The homogeneous reactions of carbonyl sulfide (COS) with OH and oxygen radicals have been studied thoroughly. However, the heterogeneous chemical processes invo
Plasmid DNA assay is a newly-developed in vitro method to investigate bioreactivity of particles. In this paper, this method was used to study the bioreactivity
Absorption refrigeration cycle can be driven by low-grade thermal energy, such as solar energy, geothermal energy and waste heat. It is beneficial to save energ
Rich paleoanthropological materials were unearthed in primary context from the Xinglongdong Cave in Fengjie County, Chongqing, South China, including a human to
By using a two-dimensional fully nonlinear compressible atmospheric dynamic numerical model, the propagation of a small amplitude gravity wave packet is simulat
Weng,an phosphates of the Precambrian Doushantuo Formation, Guizhou (southwestern China) preserve a large number of exquisite biological structures, which are m
Starch,the main component of the wheat grain,is the product of a complex biochemical pathway. The sbeⅡα gene plays a key role in controlling the synthesis of
The Nyainqentanglha granite, a batholith with an area of 1500 km^2 in the central Lhasa block, comprises mainly medium-fine-grained biotite monzonitic granite a
By replacing radiation with fluorescent system in the technique of methylation sensitive amplified polymorphism (MSAP) and optimizing reaction conditions, a mod
直肠脱垂是指直肠或乙状结肠下段的粘膜层或全层肠壁经肛管向外突出于肛门外的一种病理状态。临床上并不常见。笔者近期诊治1例膀胱结石致直肠脱垂病人,报告如下。患者,男,1