The leading role of undertaking most part of business activities bytapping fund through public listing for Guangdong Enterprises(Holdings)Limited.(here-in-after called GDE)is Played by one of its affiliate,GuangdongIn...The leading role of undertaking most part of business activities bytapping fund through public listing for Guangdong Enterprises(Holdings)Limited.(here-in-after called GDE)is Played by one of its affiliate,GuangdongInvestment Limited (Here-in-after called GDI).In ten years of activeties,GDIPolicy makers deeply felt that their supreme responsibility was to create thebiggest wealth at present and in the future for the property owner,to achievethe biggest increase of property value,and in the meantime to contribute a bitfor the continuous progress of society.展开更多
On June 15,2001, the Declaration on the Establishment of the Shanghai Cooperation Organization was signed, marking the formal launch of the regional organization. Its history can be traced back to 19% when Russia, Chi...On June 15,2001, the Declaration on the Establishment of the Shanghai Cooperation Organization was signed, marking the formal launch of the regional organization. Its history can be traced back to 19% when Russia, China, Kazakhstan, Kyrgyzstan and Tajikistan formed the Shanghai Five, later renamed the Shanghai Forum. After Uzbekistan joined, the forum changed展开更多
Quantum dot(QD)light-emitting diodes(QD-LEDs),known for their high color quality and cost-effectiveness,have emerged as promising candidates for next-generation display and lighting technologies.However,suboptimal ele...Quantum dot(QD)light-emitting diodes(QD-LEDs),known for their high color quality and cost-effectiveness,have emerged as promising candidates for next-generation display and lighting technologies.However,suboptimal electron concentration resulting from defects at the QD core/shell interface limits the brightness and operational lifetime,thereby hindering the commercialization of QD-LEDs.Here,we present high-brightness and stable LEDs based on oleylamine(OAM)-assisted green ZnCdSe/ZnSeS/ZnS QDs.OAM treatment alleviates the dangling bonds on the QD core surfaces and eliminates defect states at the core/shell interface,thereby suppressing exciton quenching at the QD-electron transport layer(ETL)interface.Our findings demonstrate that QD-LEDs with OAM facilitate electron transport from the ETL to the QDs,increasing electron concentration,and reducing the hole injection barrier,ultimately accelerating carrier radiative recombination.Consequently,the green QD-LEDs exhibit a luminance of 1,105,500 cd/m^(2)and a record-long T_(95)operational lifetime of exceeding 24,800 h at 1000 cd/m^(2).Our work provides an alternative pathway for the full-color and high-definition display application of high-performance QD-LEDs.展开更多
INTRODUCTION The most prevalent questions we encounter regarding green roofs are:What drove this decision?Why an intensive green roof?What are the benefits such a constructed and constrained feature can provide?What d...INTRODUCTION The most prevalent questions we encounter regarding green roofs are:What drove this decision?Why an intensive green roof?What are the benefits such a constructed and constrained feature can provide?What did we discover?What changed?Is there a premium?Is the green roof a true contributor to a process?These questions give rise to the underlying issue of resilience.Resilience is the result of individuals interacting with their environments and the processes that either promote well-being or protect them against the overwhelming influence of risk factors.Resilience and water are intertwined.First,a short bit of history.Our experience with green roofs began in 2005 and has resulted in five buildings-ranging in size from roughly 48,500 square feet(4,506 m2)down to 5,000 square feet(465 m2)-creating an aggregate of 1.6 acres(.648 ha)of intensive green roofs.Another acre plus of green roofs is currently in various stages of permitting,initial planning,schematic design,and construction documentation.Construction on our next roof is scheduled to be complete in June of 2013.All of our green roofs are in the Houston region.展开更多
文摘The leading role of undertaking most part of business activities bytapping fund through public listing for Guangdong Enterprises(Holdings)Limited.(here-in-after called GDE)is Played by one of its affiliate,GuangdongInvestment Limited (Here-in-after called GDI).In ten years of activeties,GDIPolicy makers deeply felt that their supreme responsibility was to create thebiggest wealth at present and in the future for the property owner,to achievethe biggest increase of property value,and in the meantime to contribute a bitfor the continuous progress of society.
文摘On June 15,2001, the Declaration on the Establishment of the Shanghai Cooperation Organization was signed, marking the formal launch of the regional organization. Its history can be traced back to 19% when Russia, China, Kazakhstan, Kyrgyzstan and Tajikistan formed the Shanghai Five, later renamed the Shanghai Forum. After Uzbekistan joined, the forum changed
基金supported by the National Key R&D Program of China(No.2023YFE0205000)the National Natural Science Foundation of China(Nos.U22A2072,22205054, 61922028),Technological Innovation 2030-Major Projects(No.2024ZD0604000)Zhongyuan High Level Talents Special Support Plan(No.244200510009)。
文摘Quantum dot(QD)light-emitting diodes(QD-LEDs),known for their high color quality and cost-effectiveness,have emerged as promising candidates for next-generation display and lighting technologies.However,suboptimal electron concentration resulting from defects at the QD core/shell interface limits the brightness and operational lifetime,thereby hindering the commercialization of QD-LEDs.Here,we present high-brightness and stable LEDs based on oleylamine(OAM)-assisted green ZnCdSe/ZnSeS/ZnS QDs.OAM treatment alleviates the dangling bonds on the QD core surfaces and eliminates defect states at the core/shell interface,thereby suppressing exciton quenching at the QD-electron transport layer(ETL)interface.Our findings demonstrate that QD-LEDs with OAM facilitate electron transport from the ETL to the QDs,increasing electron concentration,and reducing the hole injection barrier,ultimately accelerating carrier radiative recombination.Consequently,the green QD-LEDs exhibit a luminance of 1,105,500 cd/m^(2)and a record-long T_(95)operational lifetime of exceeding 24,800 h at 1000 cd/m^(2).Our work provides an alternative pathway for the full-color and high-definition display application of high-performance QD-LEDs.
文摘INTRODUCTION The most prevalent questions we encounter regarding green roofs are:What drove this decision?Why an intensive green roof?What are the benefits such a constructed and constrained feature can provide?What did we discover?What changed?Is there a premium?Is the green roof a true contributor to a process?These questions give rise to the underlying issue of resilience.Resilience is the result of individuals interacting with their environments and the processes that either promote well-being or protect them against the overwhelming influence of risk factors.Resilience and water are intertwined.First,a short bit of history.Our experience with green roofs began in 2005 and has resulted in five buildings-ranging in size from roughly 48,500 square feet(4,506 m2)down to 5,000 square feet(465 m2)-creating an aggregate of 1.6 acres(.648 ha)of intensive green roofs.Another acre plus of green roofs is currently in various stages of permitting,initial planning,schematic design,and construction documentation.Construction on our next roof is scheduled to be complete in June of 2013.All of our green roofs are in the Houston region.
