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Shielding gas used during the heat treatment has Explosion Hazards,Quenching oil has fire danger.This paper based on their hazardous properties,established the model of HAZOP method combined with fault tree analysis, combined with a heat treatment plant in tianjin to analyze its risk and gives countermeasures.

Low carbon economy is rising at home and abroad as a new development model. Coping with the new situation of financial crisis and low carbon economy, forest product trade draws widespread concern in academic circles. This paper analyses the export trade of forest products by the grey relational analysis, the result shows that the changes of forest products export consistent with the added value of forest products, the paper proposes the countermeasures and suggestions to optimize the structure of exports of forest products, transforming export trade of forest products to a low carbon economy.

A forest resources and timber supply model with variables including forest stock volume, timber harvest volume and forest area was established. The regression results of the model indicate that China's plantation accelerates the growth rate of forest stock volume while forest tenure reform has negative effect on that; additionally, there has a positive correlation between timber supply and GDP, yet timber price has no significant effect on timber supply. By use of this model, China's forest resources and timber supply trend is predicted. The forecast results show that China's forest stock volume would increase about 380 million m3 and timber supply would increase by 3.5% annually over 2009–2020. Overall, although China's timber supply would maintain an increasing trend, China will still face the problem of structural imbalances and will continue to rely on import on aspects of large-diameter timber.

An empirical analysis is made, based on the capital allocation efficiency model of Jeffrey Wurgler, on the quantitative relationship between physical capital growth and profit growth of Chinese papermaking and paper products industry. The results show that the physical capital allocation of China papermaking and paper products industry is inefficient. Therefore the main factors which constrain physical capital allocation efficiency of China papermaking and paper products industry are further analyzed from the viewpoint of capital management and financial channel. Finally, at the aspects of business model, capital utilization and regional layout, the systematic countermeasures are suggested to optimize physical capital allocation efficiency of Chinese papermaking and paper products industry.

First of all, the paper discusses the theoretical relationship of financial ability and industrial development. It is suggested that the financial ability is the basic requirement of industrial development, and is the comprehensive reflection of industrial competitiveness. Second, the status quo of the financial ability of Chinese timber industry is analyzed in such respects as internal financing, equity financing and debt financing. It is concluded that the financial ability of Chinese timber industry is weak. There are some problems in such respects as internal financing, equity financing and debt financing. Finally, aiming at existing problems, the paper puts forward relevant policy suggestions.

First of all, the technology spillover effects of foreign direct investment on Chinese papermaking and paper products industry are analyzed empirically. It is confirmed that the technology spillover effects of foreign direct investment on Chinese papermaking and paper products industry are significant. Second, according to practical situation of Chinese papermaking and paper products industry, the paper analyzes the technology spillover channels of foreign direct investment on Chinese papermaking and paper products industry. Third, on the basis of the different technology spillover channels, the countermeasures were made to enhance technology spillover effects of foreign direct investment.

With the development of network, especially e-commerce's appearance, consumer enters a new environment of trade. As a high degree of price dispersion in the online market, customer's information search behavior also changes. The process of information search of consumers is complex. The article discusses more about the influence factors of consumer's online information search behavior, e-tailer's prices search cost and fill rates are main factors among of them. As e-tailers improve customer services by offering stock-out information online, based on the price competition model between two quality differentiated e-tailers in a market with shortages, the paper analyses customers' optimal search strategies.