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Although it had a a lower income level than India in 1980, China's 2006 per capita gross domestic product stands more than twice that of India's. This paper investigates the role of the business environment in explaining China's productivity advantage using recent firm-level survey data. The...
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Herein, we proposed a mild method for the preparation of carbon quantum dots (CQDs) nanofluids, in which PEG-200 as raw material greatly reduced nanomaterial cost. To ensure the effectiveness of CQDs nanofluids in real seawater desalination, a systematic stability evaluation and stability...
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The influence of ultrasonic impact treatment (UIT) on the microstructure, mechanical properties and burn resistance of laser solid forming (LSF) Ti60 titanium alloy samples was studied. The UIT has an obvious effect on grain refinement, residual tensile stress elimination and the improvement of...
Persistent link: https://www.econbiz.de/10013305124
The influence of ultrasonic impact treatment (UIT) on the microstructure, mechanical properties and burn resistance of laser solid forming (LSF) Ti60 titanium alloy samples was studied. The UIT has an obvious effect on grain refinement, residual tensile stress elimination and the improvement of...
Persistent link: https://www.econbiz.de/10013305242