②The chemical compositions of the four ashes, obtained _ EDX data, are shown in Fig.③ The average cell size of the samples was determined to be 6.25 mm and 4.75 mm _ the longest and smallest cell axis, respectively, and the relative densities were _ 1.56% and 2.13%.④ The phase ...
百度试题 结果1 题目 The chemical compositions of the four ashes, obtained ___ EDX data, are shown in Fig. 1.? frombyatbetween; 相关知识点: 试题来源: 解析 from 反馈 收藏
A geochemical study of the bulk ashes shows that some ash layers possess distinct chemical compositions. The ashes are more evolved than the lavas of the volcano, suggesting fractionation of liquid from crystallized material during the eruption or transport of the ashes. Sixteen layers are ...
The compositions often grant that–No Way Out even unexpectedly rips into blast beats–but shouting “no escape” over and over doesn’t hit home on a remotely proximate plane of existence to grimace_smoking_weed.jpeg’s world-ending caterwauls. He just doesn’t feel as consistently engaged ...
The 2011 mixed magma with high volatile content (4.0 wt% H2O, 0.14–0.70 wt% C O2) had a bubble volume of approximately 50 vol% at 50 MPa, which is likely to have caused the subplinian eruption. The whole-rock and chemical compositions of the plagioclase, clinopyrox- ene, ...
The duo's compositions and their versatility as songwriters, poets, and musicians touched the lives of countless entertainers in vaudeville during the Harlem Renaissance, and they recorded with giants like Louis Armstrong and Fletcher Henderson. At their height, during the same year that they ...
Based upon major, minor and trace elements compositions, the closest match for HF_T513 is to glass composition data on the TM-20-2a tephra layer from Lago Grande di Monticchio (Wulf et al., 2007; Fig. 9c). The latter, found at a depth of 43.5 m and 6.0 mm thick, was most ...
Analysis of chemical characteristics (pH, ashes, dry weight, specific weight) and possible contamination (metals, aflatoxin, polychlorobiphenyls, organophosphorus and organochlorine pesticides) of the bedding was performed by CONSULAB Laboratories (Treviso, Italy). The cages were placed on racks, inside...
This paper presents the mineralogical and geochemical compositions of volcanic ashes from the latest Permian coal-bearing strata of southwest China. Based on the relative abundances of kaolinite and mixed-layer illite/smectite (I/S), the volcanic ashes in the present study can be divided into ton...
Maceral compositions were determined under both incident white light and UV light. The samples from sections were also tested by X-ray fluorescence (XRF) to analyze the oxides of major elements (following GB/T14506.28–2010 (Wang et al., 2010)). The sample powders (>200 mesh) were first ...