In the field of initiating explosive device assembly, it is necessary to continuously optimize the automation system to ensure that various safety indicators of initiating explosive device assembly equipment can meet ...In the field of initiating explosive device assembly, it is necessary to continuously optimize the automation system to ensure that various safety indicators of initiating explosive device assembly equipment can meet the needs of safety management. We analyzed the safety control principle of safety automation of initiating explosive device assembly, and put forward the safety control measures.展开更多
Operando X-ray diffraction(XRD)is an important characterization tool for real-time monitoring of structural changes in materials under different reaction conditions.In this study,we developed a laboratory-based diffra...Operando X-ray diffraction(XRD)is an important characterization tool for real-time monitoring of structural changes in materials under different reaction conditions.In this study,we developed a laboratory-based diffractometer that could capture a full XRD spectrum within 10 s.The instrument has several advanced features.First,it uses a Ga–In alloy metal-jet X-ray source,thereby achieving high X-ray flux with a brightness of up to 3.0×10^(10) photons/(s·mm^(2)·mrad2).Second,it employs an ellipsoidal mirror with a multilayer coating to produce quasi-parallel monochromatic light characterized by a divergence of 0.6 mrad and an energy resolution of 5.9×10^(−3).Third,it is equipped with a high-efficiency,high-signal-to-noise-ratio Pilatus 3R 1M detector for collecting diffraction signals.These features make the developed instrument applicable in studying rapid phase transitions in lithium-ion batteries,especially under extremely fast charge–discharge conditions.The data quality was comparable to that of synchrotron radiation XRD.展开更多
文摘In the field of initiating explosive device assembly, it is necessary to continuously optimize the automation system to ensure that various safety indicators of initiating explosive device assembly equipment can meet the needs of safety management. We analyzed the safety control principle of safety automation of initiating explosive device assembly, and put forward the safety control measures.
基金supported by“2020 Special Fund for Key Technology and Equipment Development of Major Science and Technology Infrastructure”from the Development and Reform Commission of Shenzhensupport from National Natural Science Foundation of China(Grant No.52103365)Guangdong Innovative and Entrepreneurial Research Team Program(Grant No.2021ZT09L227).
文摘Operando X-ray diffraction(XRD)is an important characterization tool for real-time monitoring of structural changes in materials under different reaction conditions.In this study,we developed a laboratory-based diffractometer that could capture a full XRD spectrum within 10 s.The instrument has several advanced features.First,it uses a Ga–In alloy metal-jet X-ray source,thereby achieving high X-ray flux with a brightness of up to 3.0×10^(10) photons/(s·mm^(2)·mrad2).Second,it employs an ellipsoidal mirror with a multilayer coating to produce quasi-parallel monochromatic light characterized by a divergence of 0.6 mrad and an energy resolution of 5.9×10^(−3).Third,it is equipped with a high-efficiency,high-signal-to-noise-ratio Pilatus 3R 1M detector for collecting diffraction signals.These features make the developed instrument applicable in studying rapid phase transitions in lithium-ion batteries,especially under extremely fast charge–discharge conditions.The data quality was comparable to that of synchrotron radiation XRD.