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Fungus resources are abundant in China, many species are of medicinal value. Unfortunately, most of them mainly depend on collection from the nature. As the excessive exploitation and utilization in recent years, biodiversity and habitats of the medicinal fungi have suffered serious damage, which has made the resources sharply decline, which has severely restricted the medicinal fungal production and utilization. This paper mainly summarizes the status of distribution and utilization of the medicinal fungus in China, analyzes current problems, and a series of worthy protection countermeasures, and propose suggestions for further development and utilization of the medicinal fungus resources.

Shiraia bambusicola is a medicinal fungus growing on the twigs of bamboo plants, with the higher value in medicinal use. The natural resource of S. bambusicola has rapidly reduced recently because of the large-scale over-collection and the habitat destruction. The resource would be in extinction if there are no any protective measures and availability of sustainable use strategies. In this paper it is summarized that the application and development of S. bambusicola. A comprehensive analysis on the progress of research as well as the current problems in application and the future outlook are also proposed in the paper.

With the development of heavy haul freight transportation in China, the standard of the limited center height of gravity for car loaded will change heavily. The sharp curve is an unsubstantial part in the rail, reasonably working out the standard must obtain the deeply research of the process of vehicles running on sharp curves. Relying on the experiment and regarding the derailment coefficient and rate of wheel load reduction as the safety assessment standard, study is conducted concerning the safety of C62BK-wagon loaded running on sharp curves of Beijing-Chengde line, through statistical analysis of experimental data. At last, the safety technical requirements are put forward regarding C62BK-wagon with gravity center height of 2.4 m running through sharp curves.