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Isothermal equations of state at room temperature of Au, Pt were investigated to the relative volume change of 0.5~0.6. The isothermal bulk modulus B0K, its first pressure derivative B0K′, and the specific volume v0K at zero pressure and temperature were derived directly from the experimental shock wave data with a simple method, independent of any assumption on the behavior of Grüneisen parameter at high pressures and temperatures. Based on the derived parameters, the isothermal equations of state for the four pressure standard materials were calculated, which show excellent agreements with the available quasi-hydrostatic measurements in diamond-anvil-cell experiment. Comparison of the calculated results with the previous theoretical investigations was also performed. The crosscheck on independent data and the excellent agreements with experimental data confirm that the present isothermal equations of state for Au and Pt can be used as high-pressure scales for future static DAC experiments.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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