The survey also showed that when people grew older they tended to be less happy. In the age group from 60 to 64, about 62.3 percent of the surveyed said they were happy, while the figure dropped to 55.7 percent in the age group of 85 and above.
The study was published in the Journal of Functional Foods.
The subsidiary, Wellmei US Inc, plans to lease 20,000 square feet (1,858 square meters) to 40,000 square feet (3,716 square meters) of space to accommodate mold production as it builds plastic injection-molding lines to serve the automotive and medical industries, according to a memo of the Michigan Economic Development Corporation.
The survey said it would be difficult for a growing economy like India to migrate to renewable power supply unless "sufficient technological breakthrough in energy storage happens in the near future".
The system's versatility means flexible operation control, high-level intelligence and a more stable power system. The system represents cutting-edge technology in the power grid field, the company said.
The surviving remnants of columns and gates in Beijing's Yuanmingyuan-or Old Summer Palace-will be reinforced to prevent them from collapsing, park officials said on Wednesday.
精准优化排名
The strong debut signaled investors' confidence in the State-owned railway operator, as it owns China's most lucrative high-speed rail network, and has been deepening reforms to enhance performance and operation efficiency, analysts said.
The strong dollar has made jewelry from Tiffany more expensive for Chinese tourists visiting the US; the intensifying trade war between the US and China also has been a strain on business. Quarterly results also were affected by street protests in Hong Kong, Tiffany's fourth-largest market, the company said.
The strong momentum continued into the first quarter of 2017, which saw 28 percent more PPP projects inked year on year.
The sub-gauge for new export orders recovered last month, moving into the expansionary range for the first time in the past year and a half, while the production sub-index rose to 53.2 from 52.6 in November, supported by active production in such areas as the food and beverage, clothing, pharmaceutical and automobile industries, Zhao said in a note.