Height Adjustable Desk,Computer Adjustable Desk,Stand Up Desk Adjustable Height,Height Adjustable Electric Desk,Electric Adjustable Desk Frame Suzhou Uplift Intelligent Technology Co., Ltd , https://www.upliftecdesk.com
Unit 4 "The Scientific Development Process of the World Since Modern Times" ppt-Human Education Edition Compulsory 3 Courseware
Mandatory Edition 3 Compulsory Unit 4 "Scientific Development History of the World Since Modern Times" ppt Xinhuanet Washington, April 13, 2010-The two-day first nuclear safety summit ended in Washington on April 13, 2010 The meeting issued a communiqué and work plan, promising to reduce the threat of nuclear terrorism through responsible national action and sustained and effective international cooperation, as well as strong security measures. Leaders or representatives of 47 countries including China, as well as heads of international and regional organizations such as the United Nations, the International Atomic Energy Agency and the European Union, attended the multilateral summit on nuclear safety. The nuclear development in the 20th century has brought nuclear energy to mankind and brought threats of nuclear terrorism at the same time as it entered the 21st century. Who is the scientist who laid the theoretical foundation of nuclear energy? What is his greatest contribution to mankind?