Eight Democratic Parties in China

China has eight democratic parties which established cooperative relations with the CPC. All the democratic parties earnestly performed the functions of participating in and deliberating on state affairs and exercising democratic supervision in China’s political life. Their participation in state affairs under the leadership of the CPC is a major indication of people's democracy. They are of great importance to enhance and develop the multi-party cooperation and political consultation system under the leadership of the CPC. This paper introduces the establishing time, the mainly component members, the founding background, the history evolution and the outstanding contributions of China’s eight democratic parties

Exceptionally Long-Lived Charge Separated State in Zeolitic Imidazolate Framework: Implication for Photocatalytic Applications

Zeolitic imidazolate frameworks (ZIFs) have emerged as a novel class of porous metal–organic frameworks (MOFs) for catalysis application because of their exceptional thermal and chemical stability. Inspired by the broad absorption of ZIF-67 in UV–vis-near IR region, we explored its excited state and charge separation dynamics, properties essential for photocatalytic applications, using optical (OTA) and X-ray transient absorption (XTA) spectroscopy. OTA results show that an exceptionally long-lived excited state is formed after photoexcitation. This long-lived excited state was confirmed to be the charge-separated (CS) state with ligand-to-metal charge-transfer character using XTA. The surprisingly long-lived CS state, together with its intrinsic hybrid nature, all point to its potential application in heterogeneous photocatalysis and energy conversion

An Analysis of the Anti-Japanese National United Front and Its Formation Process from the Perspective of Game Theory

The united front is a magic weapon for the victory of the revolution, construction and reform of the Communist Party of China. The formation process of the united front is a kind of game, starting from the perspective of game theory, using the assets exclusiveness theory of economics, combining the Nash equilibrium and historical events, building a game model, analyzing the Anti-Japanese National United Front and its formation process, are of great significance to improve the scientific cognition level of historical research work and united front work

Unravelling the Correlation of Electronic Structure and Carrier Dynamics in CuInS\u3csub\u3e2\u3c/sub\u3e Nanoparticles

In this work, we report the direct correlation of photoinduced carrier dynamics and electronic structure of CuInS2 (CIS) nanoparticles (NPs) using the combination of multiple spectroscopic techniques including steady-state X-ray absorption spectroscopy (XAS), optical transient absorption (OTA), and X-ray transient (XTA) absorption spectroscopy. XAS results show that CIS NPs contain a large amount of surface Cu atoms with ≪four-coordination, which is more severe in CIS NPs with shorter nucleation times, indicating the presence of more Cu defect states in CIS NPs with smaller size particles. Using the combination of OTA and XTA spectroscopy, we show that electrons are trapped at states with mainly In or S nature while holes are trapped in sites characteristic of Cu. While there is no direct correlation of ultrafast trapping dynamics with NP nucleation time, charge recombination is significantly inhibited in CIS NPs with larger particles. These results suggest the key roles that Cu defect sites play in carrier dynamics and imply the possibility to control the carrier dynamics by controlling the surface structure at the Cu site in CIS NPs

Effects of corporate hedges on firm exposure and firm value: empirical evidence from US

In this article, we examine the effect of the use of derivatives for hedging purpose on firm exposure and firm value and sort the investigation by different market risks, consisting of interest rate risk, foreign exchange rate risk and commodity price risk, against a background of the implementation of SFAS 133 in 1998. Focusing on a sample based on the Nasdaq-100 Index between 2007 and 2016, we establish a formula to evaluate firms’ interest rate exposure, foreign exchange rate exposure and commodity price exposure in different fiscal years respectively, refer to previous research. We make regressions to examine the effect of the use of derivatives for hedging purpose on firm exposure and firm value measured by the natural log of Tobin’s Q. We find that the usage of interest rate and foreign exchange derivatives which are designated as hedges has an impact on the reduction of individual firm corresponding exposure and the increase in firm values, whereas the extent of these hedging also has a role to play in adding firm values. As for commodity price exposure, the empirical study’s result indicates that the use of commodity hedging derivatives is negatively correlated to hedge premiums, as well as the extent of commodity hedging. Except for the commodity price, almost all of our findings are in accordance with our assumption and existing research. While the majority of earlier studies fail to achieve significant results, most of the estimated coefficients we gain from the regression are statistically significant based on the accurate data