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We are in an information age, and the relationship between government governance and market efficiency has become closer. When examining the behavior of governance, the study of government transparency is very important. This paper examines the environmental governance performance of Guangdong province, the most developed coastal region in China.

DEA method is adopted to calculate the environmental governance efficiency by considering the expected output and the nonexpected output. Then Tobit regression was used to analyze the relationship between fiscal transparency and environmental governance efficiency.

Through a quantitative study of empirical data of Guangdong province from 2001 to 2017, it is found that fiscal transparency does have a significant positive impact on the efficiency of local environmental governance. Therefore, it is suggested that all regions in Guangdong should be more transparent in administration, intensify industrial transformation and upgrading, and better govern the regional ecological environment.

This paper examines the environmental governance performance of Guangdong province, the most developed coastal region in China. Guangdong has developed economy and people’s living standards are high, so the market and residents are particularly concerned about the government performance in environmental governance. Therefore, it is an important issue to explore the relationship between environmental governance and government transparency in Guangdong.

This paper aims to search the optimum content of Ni on the microstructure, phase and electrochemical behavior of high-strength low alloy (HSLA) steel in the 3.5 wt.% NaCl solution.

The microstructure and corrosion resistance of Ni-containing HSLA steel in the simulated marine environment was studied by optical microscopy, scanning electron microscopy, X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and electrochemical techniques.

The sample containing 3.55 wt.% of nickel exhibited a finer grain size of 10 μm and a lower i_corr of 2.169 µA cm⁻². The XRD patterns showed that the Fe-Cr-Ni solid solution, FeC and Cr₃C₂ were observed in samples when Ni was added. Besides, the 3.55 wt.% of nickel addition enhanced the charge transfer resistance of the low alloy steel which suggested the sample possessed excellent inhibition of electrochemical reaction and corrosion resistance. The XPS spectrum suggested that nickel was beneficial to improve the corrosion resistance of steel by forming protective oxides, and the ratio of Fe²⁺/Fe³⁺ in protective oxides was increased.

Finding the comprehensive performance of HSLA steel which can be applied to unmanned surface vehicles in marine operations.

This study has a guiding significance for optimizing the composition of HSLA steel in a Cl- containing environment.