404 research outputs found

    An explanation of the underdevelopment of China’s service sector from the perspective of demand

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    The share of the service sector in China is significantly lower than that in most countries at the same level of income. Figures reveal that an insufficiency in both consumer and producer demand may be one of the reasons. We find that the demand insufficiency mainly stems from high consumer preferences for saving and China’s export-oriented trade structure. These excessive saving tendencies limit consumer demand for service products and thus hamper the development of consumer services in China. The rapid development of the processing trade also impedes the interrelation between the domestic manufacturing and service industries, reduces the effective demand for local producer services from the manufacturing industry, and ultimately restricts the growth of the producer service industry in China

    Hydrogen storage in liquid hydrogen carriers: recent activities and new trends

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    Efficient storage of hydrogen is one of the biggest challenges towards a potential hydrogen economy. Hydrogen storage in liquid carriers is an attractive alternative to compression or liquefaction at low temperatures. Liquid carriers can be stored cost-effectively and transportation and distribution can be integrated into existing infrastructures. The development of efficient liquid carriers is part of the work of the International Energy Agency Task 40: Hydrogen-Based Energy Storage. Here, we report the state-of-the-art for ammonia and closed CO2-cycle methanol-based storage options as well for liquid organic hydrogen carriers
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