查询词典 PIXE

Based on previous researches and AVHRR GIMMS NDVI and AVHRR GloPEM NPP data sets, this paper analyzes the response of vegetation dynamics to climate change in the southwestern karst region of China since the early 1980s by extracting each pixe's information.

在前人研究的基础上，基于AVHRR GIMMS NDVI和AVHRR GloPEM NPP数据集，通过对逐个像元信息的提取和分析，研究了20世纪80年代以来，我国西南喀斯特地区植被变化对气候变化的响应。

Chemical composition of the Western Han dynasty glass garment flakes, which were excavated from Yangzhou city , was analyzed by PIXE, quantitatively.

采用PIXE技术对扬州西汉墓出土的玻璃衣片进行了定量分析。

The elements K, Ca, Fe, Cu, Zn, Se and Rb in erythrocyte of 78 cases with different thyroid hormone status have been measured by PIXE and INAA .

用质子激发X荧光和中子活化分析方法测量了不同甲状腺激素水平的甲状腺病人红细胞中的微量元素K、Ca、Fe、Cu、Zn、Se和Rb等的含量。

We employed PIXE with high precision for analysis of trace element to study the relationship between the Neolithic pottery unearthed from Maliutuo, Maliuwan and Suheping sites in Sanxia reservoir area.

为了研究多种测量方法间的可比性，首次在国内对比了PIXE和ICP-AES两种方法的分析精度，结果表明本实验室使用的PIXE技术有足够的精度，可以和ICP-AES比拟，两种方法间具有互通性和互补性。

In the paper, concentration of major and trace elements of white-and-blue porcelain of Hutian kiln in Ming Dynasty were analyzed by PIXE, and elemental distributions of porcelain were analyzed by SPM.

本工作采用质子激发X射线发射分析方法研究了江西湖田窑明代中晚期青花瓷的胎、釉和青花中主量、微量元素的含量，并用质子扫描微探针分析了青花瓷剖面的元素分布。

Preliminary results show that the sampling uncertainties for 16 elements are better than 1% on the sample sizes above 1 mg by using INAA, those for 7 elements are better than 1% on the sample sizes of sub-mg by using PIXE, and for 3 elements Cu, Fe, and Rb, they are better than 10% on the sample sizes equal to or larger than 7.5, 9.6, 42.4 ng, respectively.

初步结果表明：在有效取样量几百μg的条件下，取样不确定度好于1%的有7种元素，在亚ng到几十ng的取样量下，Fe、Cu、Rb的取样不确定度均小于10%，其中，Rb的取样不确定度小于5%。

Aerosol ; particle size distribution ; PIXE ; Great Wall Station

大气气溶胶；粒径分布；质子X荧光分析；南极长城站

Abstract?The elements K, Ca, Fe, Cu, Zn, Se and Rb in erythrocyte of 78 cases with different thyroid hormone status have been measured by PIXE and INAA.

用质子激发X荧光和中子活化分析方法测量了不同甲状腺激素水平的甲状腺病人红细胞中的微量元素K、Ca、Fe、Cu、Zn、Se和Rb等的含量。

The development of new micro-analytical techniques, especially the synchrotron XRF, PIXE, LAM-ICP-MS, enables us to measure the concentrations of ore metals in fluid inclusions directly.

随着现代分析技术的发展，特别是同步加速器-XRF、PIXE、LAM-ICP-MS等的出现，使得我们可以直接测定流体包裹体的微量元素组成，取得了富气相的流体包体中Au、Cu、Mo等元素的含量显著的高于液相包体的重要发现。

Methods Four typical monitoring sites were chosen to collect TSP samples in diverse levels. 12 inorganic elements such as S, K, Ca, Ti, Cr etc. were measured directly with PIXE method. There were differences on four monitoring sites.

方法］在该地区选择了有代表性的4个监测点进行TSP分级采样，并使用质子激发X荧光发射方法直接测定样品中S、K、Ca、Ti和Cr等12种无机态元素。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切