The home network technologies are taking advantage of the increasingly promising market prospect,thank to the popularity of digital home appliances.To enable control and data transfer among interconnected home network...The home network technologies are taking advantage of the increasingly promising market prospect,thank to the popularity of digital home appliances.To enable control and data transfer among interconnected home network devices,it is necessary to adopt the Universal Plug and Play(UPnP)technology.This technology leverages the Internet technical standards including the Internet Protocol(IP),the Transmission Control Protocol(TCP),the User Datagram Protocol(UDP),the Hypertext Transfer Protocol(HTTP),and the Extensible Markup Language(XML)to provide the automatic across-platform service discovery and the remote control.In addition to the control and the data transfer among networked devices,the UPnP provides the flexible and robust service discovery ability to change the complex network device drive into a simple remote network control.展开更多
The increasing contamination of soil with heavy metals,particularly cadmium,poses a significant threat to agricultural productivity,especially in tobacco cultivation.The primary objective of this study is to explore t...The increasing contamination of soil with heavy metals,particularly cadmium,poses a significant threat to agricultural productivity,especially in tobacco cultivation.The primary objective of this study is to explore the impacts of biochar combined with microorganisms on tobacco resistance and soil remediation under cadmium stress.The experiment consisted of four treatments:namely,G0C0(no cadmium or biochar added),G1C0(cadmium 130 mg added,no biochar added),G1C1(cadmium 130 mg added,10 g kg^(−1)biochar added),and G1C2(cadmium 130 mg added,10 g kg^(−1)biochar added,and 1%microbial inoculant added).The influence of each treatment on tobacco growth and development,cadmium uptake by tobacco,soil biological characteristics,and components of soil microbial communities was investigated.The study revealed that cadmium stress had a negative impact on tobacco net photosynthesis.Notably,biochar was found to be effective in alleviating this effect.The results demonstrated that Apparent Quantum Yield(AQY),Maximum Photosynthetic Rate(Pmax),and Light Saturation Point(LSP)in G1C1 increased by 1.69%,80.50%,and 30.76%,respectively,compared to G1C0.Similarly,AQY,Pmax,and LSP in G1C2 increased by 3.39%,86.84%,and 62.35%,respectively.Following cadmium contamination,the levels of soil urease,catalase activity,and microbial biomass nitrogen and carbon were reduced.However,the application of biochar significantly enhanced urease and catalase activities by 12.42–63.89%and 13.03–14.17%,respectively.Additionally,the carbon and nitrogen content of microbial biomass increased by 46.42–76.27%and 21.56–28.12%,respectively,compared to the G1C0 treatment.The combined application of biochar and Trichoderma exhibited a synergistic effect,enhancing soil microbial diversity and community structure while increasing the abundance of beneficial genera such as Mucoromycota,Chaetomium,and Bacillus.Additionally,biochar effectively restricted the upward transport of cadmium in tobacco plants.These findings suggest that co-applying biochar and microorganisms offers a sustainable strategy to enhance tobacco plant resilience under cadmium stress,improve soil ecology,and promote soil remediation in contaminated environments.展开更多
文摘The home network technologies are taking advantage of the increasingly promising market prospect,thank to the popularity of digital home appliances.To enable control and data transfer among interconnected home network devices,it is necessary to adopt the Universal Plug and Play(UPnP)technology.This technology leverages the Internet technical standards including the Internet Protocol(IP),the Transmission Control Protocol(TCP),the User Datagram Protocol(UDP),the Hypertext Transfer Protocol(HTTP),and the Extensible Markup Language(XML)to provide the automatic across-platform service discovery and the remote control.In addition to the control and the data transfer among networked devices,the UPnP provides the flexible and robust service discovery ability to change the complex network device drive into a simple remote network control.
基金the Ministry of Higher Education(MOHE),Malaysia under Higher Institution Centre of Excellence(HICoE)Phase-2 research grant awarded to the Institute of Tropical Aquaculture and Fisheries,Universiti Malaysia Terengganu,Key Research and Development Projects of Henan Tobacco Company(2022611027,2024411000240036)Shanghai Tobacco Group Science and Technology Project(K2024-1-054P)Key Science and Technology Project of Sichuan China Tobacco Industry Co.,Ltd.(yl202212).
文摘The increasing contamination of soil with heavy metals,particularly cadmium,poses a significant threat to agricultural productivity,especially in tobacco cultivation.The primary objective of this study is to explore the impacts of biochar combined with microorganisms on tobacco resistance and soil remediation under cadmium stress.The experiment consisted of four treatments:namely,G0C0(no cadmium or biochar added),G1C0(cadmium 130 mg added,no biochar added),G1C1(cadmium 130 mg added,10 g kg^(−1)biochar added),and G1C2(cadmium 130 mg added,10 g kg^(−1)biochar added,and 1%microbial inoculant added).The influence of each treatment on tobacco growth and development,cadmium uptake by tobacco,soil biological characteristics,and components of soil microbial communities was investigated.The study revealed that cadmium stress had a negative impact on tobacco net photosynthesis.Notably,biochar was found to be effective in alleviating this effect.The results demonstrated that Apparent Quantum Yield(AQY),Maximum Photosynthetic Rate(Pmax),and Light Saturation Point(LSP)in G1C1 increased by 1.69%,80.50%,and 30.76%,respectively,compared to G1C0.Similarly,AQY,Pmax,and LSP in G1C2 increased by 3.39%,86.84%,and 62.35%,respectively.Following cadmium contamination,the levels of soil urease,catalase activity,and microbial biomass nitrogen and carbon were reduced.However,the application of biochar significantly enhanced urease and catalase activities by 12.42–63.89%and 13.03–14.17%,respectively.Additionally,the carbon and nitrogen content of microbial biomass increased by 46.42–76.27%and 21.56–28.12%,respectively,compared to the G1C0 treatment.The combined application of biochar and Trichoderma exhibited a synergistic effect,enhancing soil microbial diversity and community structure while increasing the abundance of beneficial genera such as Mucoromycota,Chaetomium,and Bacillus.Additionally,biochar effectively restricted the upward transport of cadmium in tobacco plants.These findings suggest that co-applying biochar and microorganisms offers a sustainable strategy to enhance tobacco plant resilience under cadmium stress,improve soil ecology,and promote soil remediation in contaminated environments.
