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Outline
The carbon content in high-carbon ferrosilicon is determined with high frequency induction combustion infrared method. The optimal analysis conditions are determined through a series of experiments such as weighing sample as well as addition amount of pure iron, tin granular and tungsten particle. The experimental results showed that the molten state of sample was good, relative standard deviation of precision experiment results was 0.59% and adding standard recovery was 99.16%～100.34% with the addition sequence of 1.50~1.70 g pure iron, 0.08~1.20 g sample, 0.30 g tin granular and 1.30~1.50 g tungsten particle, which could meet the requirements of chemical analysis. This analytical method is with simple operations, rapid analysis as well as high accuracy and precision, which could meet the requirements of incoming inspections of high-carbon ferrosilicon.
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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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