Shock compression driven by nanosecond-laser techniques generates extreme pressure and temperature conditions in materials,enabling the study of high-pressure phase transitions and the behavior of materials in extreme...Shock compression driven by nanosecond-laser techniques generates extreme pressure and temperature conditions in materials,enabling the study of high-pressure phase transitions and the behavior of materials in extreme environments.These dynamic high-pressure states are relevant to a wide range of phenomena,including planetary formation,asteroid impacts,spacecraft shielding,and inertial confinement fusion.The integration of advanced X-ray diffraction experimental techniques,from laser-induced X-ray sources and X-ray free-electron lasers,and theoretical simulations has provided unprecedented insights into material behavior under extreme conditions.This perspective reviews recent advances in dynamic high-pressure research and the insights that they can provide,concentrating on dynamical phase transitions,metastable and transient states,the influence of crystal orientation,microstructural changes,and the kinetic mechanism of phase transitions across a variety of interdisciplinary fields.展开更多
Study on coastal processes in Kapar waters was conducted from 2008-2016.The aim of this study is to identify potential blood cockle(Anadara granosa)induce spawning ground based on physical intermittency.A total of 132...Study on coastal processes in Kapar waters was conducted from 2008-2016.The aim of this study is to identify potential blood cockle(Anadara granosa)induce spawning ground based on physical intermittency.A total of 132 sampling stations were recorded.A thermal power station situated 2 km away is discharging treated warm water(<40℃)on to the open sea causing the Sea Surface Temperature at near-by cockle culture to intermittent between 31-34℃ while the temperature at the bottom(at 6-8 m Mean Sea Level,MSL)is constant between 29.5℃ and 30.5℃.The results suggested that Kapar waters have two seasons of low waters annually(January-March and June-September,respectively)and the Lowest Astronomical Tide(LAT)occur in late January-February while Great Diurnal Tide is observed on the same period.The bathymetry suggested the present of deep water(6-8 m,MSL)towards the end of cockle culture lot which is closed to merchant shipping lane near Port Klang.Based on water elevation,an area of 255.4 ha within cockle culture lots were identified to have this bottom temperature intermittency(29.5-34.0℃)during its GT and it associated with cockle induce spawning condition.But this area was left out for cockle culture due to its typical depth(>3 m MSL)which prevents cockle farmers from harvesting due to their maximum of 3 m long hand dredge.Thus,this information could be useful for cockle sustainable management plan in near future.展开更多
基金supported by the National Natural Science Foundation of China under Grant Nos.12534013,12035002,12047561,and 12104507as well as the Science and Technology Innovation Program of Hunan Province under Grant No.2021RC4026+1 种基金T.Sekine gratefully acknowledges financial support from the Shanghai Key Laboratory of Material Frontiers Research in Extreme Environments,China(Grant No.22dz2260800)from the Shanghai Science and Technology Committee,China(Grant No.22JC1410300).
文摘Shock compression driven by nanosecond-laser techniques generates extreme pressure and temperature conditions in materials,enabling the study of high-pressure phase transitions and the behavior of materials in extreme environments.These dynamic high-pressure states are relevant to a wide range of phenomena,including planetary formation,asteroid impacts,spacecraft shielding,and inertial confinement fusion.The integration of advanced X-ray diffraction experimental techniques,from laser-induced X-ray sources and X-ray free-electron lasers,and theoretical simulations has provided unprecedented insights into material behavior under extreme conditions.This perspective reviews recent advances in dynamic high-pressure research and the insights that they can provide,concentrating on dynamical phase transitions,metastable and transient states,the influence of crystal orientation,microstructural changes,and the kinetic mechanism of phase transitions across a variety of interdisciplinary fields.
文摘Study on coastal processes in Kapar waters was conducted from 2008-2016.The aim of this study is to identify potential blood cockle(Anadara granosa)induce spawning ground based on physical intermittency.A total of 132 sampling stations were recorded.A thermal power station situated 2 km away is discharging treated warm water(<40℃)on to the open sea causing the Sea Surface Temperature at near-by cockle culture to intermittent between 31-34℃ while the temperature at the bottom(at 6-8 m Mean Sea Level,MSL)is constant between 29.5℃ and 30.5℃.The results suggested that Kapar waters have two seasons of low waters annually(January-March and June-September,respectively)and the Lowest Astronomical Tide(LAT)occur in late January-February while Great Diurnal Tide is observed on the same period.The bathymetry suggested the present of deep water(6-8 m,MSL)towards the end of cockle culture lot which is closed to merchant shipping lane near Port Klang.Based on water elevation,an area of 255.4 ha within cockle culture lots were identified to have this bottom temperature intermittency(29.5-34.0℃)during its GT and it associated with cockle induce spawning condition.But this area was left out for cockle culture due to its typical depth(>3 m MSL)which prevents cockle farmers from harvesting due to their maximum of 3 m long hand dredge.Thus,this information could be useful for cockle sustainable management plan in near future.
