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Outline
Nitrogen is a highly stable element that exists in the form of nitrogen molecules under ambient pressure. Researchers have found that nitrogen can form polymeric structures under high temperature and pressure, which have extremely high energy density and decompose into pollution-free nitrogen. From the perspective of application, it can be used as a new type of environmentally friendly high-energy-density material. Subsequently, a large number of studies have been conducted on nitrogen, resulting in phase diagrams of nitrogen under high-pressure conditions and the synthesis of structures such as cubic gauche nitrogen and layered polymeric nitrogen. However, the synthesis conditions for pure nitrogen polymeric structures are relatively harsh, and it is also difficult to preserve them under ambient pressure. People have turned to methods such as molecular nitrogen and inert gas nitrides in the hope of obtaining stable high-energy-density nitrogen structures under normal pressure. This article briefly introduces the current theoretical and experimental progress of high-energy-density nitrogen and discusses the future development direction of high-energy-density nitrogen.
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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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