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Born in 1927, Chen is an academician of the Chinese Academy of Sciences and has devoted himself to China's petrochemical industry for 70 years. As the founder of catalytic cracking engineering technology in China and a prestigious specialist in oil refining engineering and coal-chemical technology, he has made groundbreaking contributions to advance the country's oil refining industry, according to the Publicity Department of the CPC Central Committee.

Both a typhoon and a tropical storm are cyclones, but they fall in different meteorological classifications. A typhoon is more violent, with much higher wind speeds.

Boeing will halt production of the 737 Max this month following the grounding in March of its best-selling plane after two fatal crashes in five months killed 346 people.

Born in Yancheng, Jiangsu province, Shen moved to Shanghai with his parents when he was in the sixth grade, about six years after his leg was amputated following an accident while swimming.

Both agencies downgraded their ratings of Tianjin Binhai New Area Construction & Investment Group Co, a lending platform backed by the Tianjin municipal government.