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In the production technology of continuous casting, oriented silicon steel, as a type of “soft steel” in the traditional sense, shows unique physical properties. Its thermal conductivity is relatively poorer, liquid thermal conductivity is approximately 27% lower than that of ordinary carbon steel so that it shows significant weak thermal conductivity. This property makes it easy to be deformed in high temperature environment. Consequently, there are often such surface defects as liquid level fluctuation of crystallizer, bulge and dimple of ingot blank as well as such internal quality issues as center segregation, center porosity and cracks during the continuous pouring production process. These issues directly impact the number of continuous pouring heats. In order to solve these problems, it becomes the key strategy for increasing the number of continuous pouring heats to design and implement reasonable cooling regime and casting speed.
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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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