Asian seabass(Lates calcarifer)is becoming an important species for aquaculture.However,the Asian seabass aquaculture industry faces a significant challenge of disease outbreaks that can jeopardize fish health and pro...Asian seabass(Lates calcarifer)is becoming an important species for aquaculture.However,the Asian seabass aquaculture industry faces a significant challenge of disease outbreaks that can jeopardize fish health and production.This review delves into the major diseases affecting Asian seabass aquaculture and explores their causes,symptoms,and management approaches.We focused on the key pathogens responsible for these outbreaks,the environmental factors contributing to disease susceptibility,and the latest advancements in disease prevention and management.By addressing these critical aspects,this review addresses the needs of aquaculturists,researchers,and policymakers with the knowledge required to promote resilient and sustainable Asian seabass farming.We aim to shed light on the challenges posed by disease while highlighting innovative strategies that offer promise for the future of this thriving industry.This comprehensive examination serves as a valuable resource for those invested in ensuring the health and vitality of Asian seabass,securing a consistent supply to meet the demands of global seafood markets.展开更多
Developing an economically efficient process to fabricate thermoelectric materials with remarkable figures of merit is essential for expanding its commercial application.Herein,a self-created extensional rheological t...Developing an economically efficient process to fabricate thermoelectric materials with remarkable figures of merit is essential for expanding its commercial application.Herein,a self-created extensional rheological technology is used to fabricate high-quality thermoelectric cooling materials.Pyrrole monomers are grown on the Ni_(0.49)Cu_(0.59),and subsequently,uniformly dispersed within the polyethylene(PE)under an extensional flow field,establishing a continuous conductive network.The PE/polypyrrole@constantan(PE/Ppy@Ni_(0.49)Cu_(0.59))composite exhibits an electrical conductivity of 1699.8 S cm^(−2),a thermal conductivity of 13.9 W m^(-1)K^(-1),and a thermoelectric figure of merit(ZT)of 0.16 at 25℃.Integrated with PE/Ppy@iron,the thermoelectric device exhibited a temperature reduction of 0.4℃under a 30 V/0.3 A direct current excitation.To enhance performance,the application of square-wave pulsed currents effectively stabilized the thermoelectric cooling efficiency at its optimum level.Furthermore,the implementation of a custom-designed thermal insulation system significantly mitigated parasitic heat loss to the ambient environment.Collectively,these engineered enhancements achieved a total temperature reduction of 1.6℃.This study provides an effective approach to fabricating thermoelectric materials,and it is promising to realize low-cost,large-scale commercialization of thermoelectric cooling.展开更多
基金financially supported by internal funding from the Temasek Life Sciences Laboratory,Singapore.
文摘Asian seabass(Lates calcarifer)is becoming an important species for aquaculture.However,the Asian seabass aquaculture industry faces a significant challenge of disease outbreaks that can jeopardize fish health and production.This review delves into the major diseases affecting Asian seabass aquaculture and explores their causes,symptoms,and management approaches.We focused on the key pathogens responsible for these outbreaks,the environmental factors contributing to disease susceptibility,and the latest advancements in disease prevention and management.By addressing these critical aspects,this review addresses the needs of aquaculturists,researchers,and policymakers with the knowledge required to promote resilient and sustainable Asian seabass farming.We aim to shed light on the challenges posed by disease while highlighting innovative strategies that offer promise for the future of this thriving industry.This comprehensive examination serves as a valuable resource for those invested in ensuring the health and vitality of Asian seabass,securing a consistent supply to meet the demands of global seafood markets.
基金supported by the National Natural Science Foundation of China(52203037)the National Key Research and Development Program of China(2022YFC3901902).
文摘Developing an economically efficient process to fabricate thermoelectric materials with remarkable figures of merit is essential for expanding its commercial application.Herein,a self-created extensional rheological technology is used to fabricate high-quality thermoelectric cooling materials.Pyrrole monomers are grown on the Ni_(0.49)Cu_(0.59),and subsequently,uniformly dispersed within the polyethylene(PE)under an extensional flow field,establishing a continuous conductive network.The PE/polypyrrole@constantan(PE/Ppy@Ni_(0.49)Cu_(0.59))composite exhibits an electrical conductivity of 1699.8 S cm^(−2),a thermal conductivity of 13.9 W m^(-1)K^(-1),and a thermoelectric figure of merit(ZT)of 0.16 at 25℃.Integrated with PE/Ppy@iron,the thermoelectric device exhibited a temperature reduction of 0.4℃under a 30 V/0.3 A direct current excitation.To enhance performance,the application of square-wave pulsed currents effectively stabilized the thermoelectric cooling efficiency at its optimum level.Furthermore,the implementation of a custom-designed thermal insulation system significantly mitigated parasitic heat loss to the ambient environment.Collectively,these engineered enhancements achieved a total temperature reduction of 1.6℃.This study provides an effective approach to fabricating thermoelectric materials,and it is promising to realize low-cost,large-scale commercialization of thermoelectric cooling.
