第33 卷第 7 期 2014 年 7 月 地质通报 GEOLOGICAL BULLETIN OF CHINA Vol.33,No.7 Jul.,2014 班公湖—怒江缝合带西段酸性侵入岩 LA-ICP-MS 锆石 U-Pb 年龄与地球化学特征 张向飞 1,李佑国 2,曹晓民 1,曲晓明 3,辛洪波 3,王健 4,杜德道 5 ZHANG Xiang-fei1, LI You-guo2, CAO Xiao-min1,...
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35,36,37,38,39. Recently, a crystal structure of mouse PA28α4β3revealed an alternating arrangement of four α and three β chains40. Still, structural studies on the PA28-CP complex are mostly limited to the homoheptamericTbPA26 orPlasmodium...
1 2 仪器设备 LA MC ICP MS原位方解石 U Pb定年分析在中国科学 谢博航等:LA MC ICP MS方解石 U Pb定年技术 239 表 2 LA MC ICP MS仪器参数和杯结构信息 Table2 LA MC ICP MSinstrumentparametersandcupstructureinformation U Pb定年采用的杯结构 杯结构检测器 IC7 CDD H4 Far IC6 CDD H3 H2 H1 ...
The display indicates a pixel each time an ion signal is recorded, and shows the masses along the X-axis and the sequential spectra along the vertical axis. It is clear that the raw data clusters in two dimensions are aligned, indicating a complex and unique ion structure of every ion ...
The Jinshajiang–Red River alkaline igneous belt in the eastern Indian–Asian collision zone, of southwestern China, hosts abundant, economically
As a result of this, U is compatible but Pb is incompatible in the zircon crystal structure, so that common (or initial) Pb is preferentially excluded at the time of zircon formation, whereas 206Pb and 207Pb can reside within zircon following in-situ radioactive decay from the parent U ...
Ceram. Vidrio 2000, 39, 329–332. [CrossRef] 29. Coburn, S.K.; Larrabee, C.P.; Lawson, H.H.; Ellis, O.B. Corrosivennes of various atmospheric test sites as measured by specimens of steel and zinc. In Metal Corrosion in the Atmosphere; American Society for Testing and Materials: ...
This structure helps liquid distribution and enlarges the quantities of gas holes. The intalox saddle has less resistance, bigger flux and higher efficiency than the pall ring. It is one of the most widely used packing with good hardness.Technical data sheet: Type...
Structure Type Closed Type Installation Type Stationary Type Type Twin-Screw Compressor Discharge Temperature ≤ambient Temperature+15ºC Ambient Temperature -10-+45ºC Compression Stage Single-Stage Oil Content ≤3ppm Driving Method D...