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"Going forward, the association will also work to make value-added fertilizers more nutrient-efficient and environment friendly," said Zhao.

"For any kind of scientific research, we should always strive to improve," Yang said. "I take scientific research as my happiness in life."

"Four Tu-95MS strategic missile carriers of the Aerospace Force performed planned flights in the airspace over the neutral waters of the Chukotsk, Bering and Okhotsk Seas, and also along the western coast of Alaska and the northern coast of the Aleutian Islands," Russia’s Defense Ministry said in a statement on Tuesday.

"Good sleep is crucial for protecting the brain's neurons," and lack of sleep for long periods can endanger health, she said.

"Guangzhou gives a lot of support to new enterprises, and Hong Kong students have the same opportunities as their mainland counterparts," he said.