A new species, Didymodon sinicus C. Feng & J. Kou, is described and illustrated based on materials collected from Inner Mongolia, Yunnan and Tibet of China. It is characterized by ovate‐lanceolate to ovate‐triangular leaves that are erect to patent when wet, auriculate leaf base, acute leaves apices, distally bistratose leaf margins, the yellowish color in KOH, short‐excurrent costa with guide cells in 2–3 layers and without ventral stereids, and smooth laminal cells. A phylogenetic analysis based on DNA sequences of ITS, rps4, trnM‐trnV confirms D. sinicus as a sister to the clade of D. obtusus J. Kou, X.‐M. Shao & C. Feng and the new species belongs to the genus Didymodon s.str.
With the challenges posed by the intermittent nature of renewable energy, energy storage technology is the key to effectively utilize renewable energy. China’s energy storage industry has experienced rapid growth in recent years. In order to reveal how China develops the energy storage industry, this study explores the promotion of energy storage from the perspective of policy support and public acceptance. Accordingly, by tracing the evolution of the energy storage policies during 2010–2020 comprehensively, a better understanding of the policy intention and implementation can be obtained. Meanwhile, this paper collects the information of Weibo users and posts related to energy storage by web crawler technology. The status of public attention and sentiment orientation toward energy storage are investigated with a text mining method. The main results are as follows. 1) The evolution of energy storage is characterized by three stages: the foundation stage, the nurturing stage, and the commercialization stage. 2) Most people have a positive attitude towards energy storage and recognize the potential of the energy storage industry, and it is discovered that the public attitudes towards energy storage exist cognitive bias. 3) More policies concerning market mechanism, R&D, and subsidies should be introduced to enhance the effect of energy storage policies and increase public recognition. These findings help to understand the energy storage policy and provide better strategies for policymaking.
Inner Mongolia steppe is one of the suitable habitats for Didymodon species and a new species, Didymodon manhanensis C. Feng & J. Kou from Manhan Mountain in semi-arid region in Inner Mongolia, China is described and illustrated. It is characterised by leaves incurved and slightly twisted when dry, spreading when moist, narrowly lanceolate from an ovate base; subulate and fragile leaf apices; distally bistratose leaf margins that are recurved in proximal 2/3–3/4; excurrent costa with guide cells in 2–3 layers and without ventral stereids; smooth laminal cells and red KOH laminal colour reaction. Our morphological analyses and molecular results, based on DNA sequences of ITS, rps4 and trnM-trnV, confirm that D. manhanensis belongs to a group that includes D. obtusus J. Kou, X.-M. Shao & C. Feng and D. daqingii J. Kou, R.H. Zander & C. Feng. This new species is compared with similar species and its phylogenetic position and ecology are discussed.
Based on the current situations of China's salt monopoly system, this paper establishes a static game model of complete information to analyze the "incentives" to illegal salt trafficking. Using the thoughts of "trigger strategies" in infinitely repeated games for reference, this paper designs an institutional arrangement to suppress illegal salt and puts forward a number of illegal salt suppression strategies, such as to build up a reputation for "a strong salt regulator" , to enhance the efficiency of supervision and reduce the cost of investigation, to strengthen the penalties for trafficking in illegal salt, to implement different degrees of supervision and investigation on salt-producing enterprises with different marginal costs of production and so on.
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