To researching the damage characteristics of typical logical chip modules in spacecraft due to plasma generated by hypervelocity impacts,we have established a triple Langmuir probe diagnostic system and a logical chip...To researching the damage characteristics of typical logical chip modules in spacecraft due to plasma generated by hypervelocity impacts,we have established a triple Langmuir probe diagnostic system and a logical chips measurement system,which were used to diagnose plasma characteristic parameters and the logical chip module＇s logical state changes due to the plasma created by a 7075 aluminum projectile hypervelocity impact on the 2A12 aluminum target.Three sets of experiments were performed with the collision speeds of 2.85 km/s,3.1 km/s and2.20 km/s,at the same incident angles of 30 degrees and logical chip module＇s positions by using a two-stage light gas gun loading system,a plasma characteristic parameters diagnostic system and a logical chip module＇s logical state measurement system,respectively.Electron temperature and density were measured at given position and azimuth,and damage estimation was performed for the logical chip module by using the data acquisition system.Experimental results showed that temporary damage could be induced on logical chip modules in spacecraft by plasma generated by hypervelocity impacts under the given experimental conditions and the sensors＇ position and azimuth.展开更多
The green development of socialism with Chinese characteristics is a scientific and rational choice based on the development theory of Marxism,reflecting on historical practice and practicing the value pursuit of Comm...The green development of socialism with Chinese characteristics is a scientific and rational choice based on the development theory of Marxism,reflecting on historical practice and practicing the value pursuit of Communists.Comprehensive understanding and mastering the internal logic and value pursuit of the green development of socialism with Chinese characteristics for a new era is in favor of upholding and improving the system of socialism with Chinese characteristics in the new situation,implementing the strictest ecological and environmental protection system,and unswervingly taking the path of innovation,coordination,green development,openness and sharing,and providing ideological powers and operational guidance for the construction of a Beautiful China and the modernization of harmonious coexistence between mankind and nature.展开更多
The socialist system with Chinese characteristics is a great innovation made by the Chinese people under the leadership of the Communist Party of China(CPC)over the past 70 years,since the founding of the People’s Re...The socialist system with Chinese characteristics is a great innovation made by the Chinese people under the leadership of the Communist Party of China(CPC)over the past 70 years,since the founding of the People’s Republic of China,and particularly during the past 40 years of reform and opening up.It is also a fundamental institutional support and guarantee for China to achieve the Two Centenary Goals①and realize the Chinese Dream of the great rejuvenation of the Chinese nation.The formation and development of the socialist system with Chinese characteristics indicates profound theoretical,historical and practical logic and demonstrates the unique institutional advantage China enjoys.The socialist system with Chinese characteristics is an organic unity of the CPC spirit and its affinity to the people,demonstrating its unique institutional advantage by ensuring the position of the people as masters of the country and making development people-centered.It is an organic unity of reform and conventionalization,demonstrating its unique institutional advantage through self-revolution,establishment and optimization step by step.It is also an organic unity of tradition and modernity,demonstrating its unique institutional advantage by inheriting Chinese civilization while embracing world civilization.展开更多
基金supported by National Natural Science Foundation of China(Nos.10972145,11272218,11472178)Program for Liaoning Excellent Talents in University of China(No.LR2013008)Open Foundation of Key Laboratory of Liaoning Weapon Science and Technology,Liaoning Province Talents Engineering Projects of China(No.2012921044)
文摘To researching the damage characteristics of typical logical chip modules in spacecraft due to plasma generated by hypervelocity impacts,we have established a triple Langmuir probe diagnostic system and a logical chips measurement system,which were used to diagnose plasma characteristic parameters and the logical chip module＇s logical state changes due to the plasma created by a 7075 aluminum projectile hypervelocity impact on the 2A12 aluminum target.Three sets of experiments were performed with the collision speeds of 2.85 km/s,3.1 km/s and2.20 km/s,at the same incident angles of 30 degrees and logical chip module＇s positions by using a two-stage light gas gun loading system,a plasma characteristic parameters diagnostic system and a logical chip module＇s logical state measurement system,respectively.Electron temperature and density were measured at given position and azimuth,and damage estimation was performed for the logical chip module by using the data acquisition system.Experimental results showed that temporary damage could be induced on logical chip modules in spacecraft by plasma generated by hypervelocity impacts under the given experimental conditions and the sensors＇ position and azimuth.
文摘The green development of socialism with Chinese characteristics is a scientific and rational choice based on the development theory of Marxism,reflecting on historical practice and practicing the value pursuit of Communists.Comprehensive understanding and mastering the internal logic and value pursuit of the green development of socialism with Chinese characteristics for a new era is in favor of upholding and improving the system of socialism with Chinese characteristics in the new situation,implementing the strictest ecological and environmental protection system,and unswervingly taking the path of innovation,coordination,green development,openness and sharing,and providing ideological powers and operational guidance for the construction of a Beautiful China and the modernization of harmonious coexistence between mankind and nature.
文摘The socialist system with Chinese characteristics is a great innovation made by the Chinese people under the leadership of the Communist Party of China(CPC)over the past 70 years,since the founding of the People’s Republic of China,and particularly during the past 40 years of reform and opening up.It is also a fundamental institutional support and guarantee for China to achieve the Two Centenary Goals①and realize the Chinese Dream of the great rejuvenation of the Chinese nation.The formation and development of the socialist system with Chinese characteristics indicates profound theoretical,historical and practical logic and demonstrates the unique institutional advantage China enjoys.The socialist system with Chinese characteristics is an organic unity of the CPC spirit and its affinity to the people,demonstrating its unique institutional advantage by ensuring the position of the people as masters of the country and making development people-centered.It is an organic unity of reform and conventionalization,demonstrating its unique institutional advantage through self-revolution,establishment and optimization step by step.It is also an organic unity of tradition and modernity,demonstrating its unique institutional advantage by inheriting Chinese civilization while embracing world civilization.
