Andrew Wangota,a 48-year-old Ugandan farmer,has been using agrivoltaics technology,a solar technology that uses agricultural land for both food production and solar power generation,on his farm in Bunashimolo Parish,B...Andrew Wangota,a 48-year-old Ugandan farmer,has been using agrivoltaics technology,a solar technology that uses agricultural land for both food production and solar power generation,on his farm in Bunashimolo Parish,Bukyiende Subcounty in Uganda where he has been cultivating plantain,coffee and Irish potatoes for the past 16 years.展开更多
The Nanning Four-Leaf Clover Cultural Communication Company(“Clover Culture”for short),which has been deeply engaged in the cultural and creative industry for 13 years,has become a calling card of this year’s China...The Nanning Four-Leaf Clover Cultural Communication Company(“Clover Culture”for short),which has been deeply engaged in the cultural and creative industry for 13 years,has become a calling card of this year’s China-ASEAN Expo(CAEXPO)thanks to its creativity in AI technology.As a first-time exhibitor,Clover Culture has not only brought its original IP“077”with the Guangxi white-headed langur as the prototype,but also collaborated with the Guangxi International Expo Affairs Bureau to launch AI animation videos and cultural and creative products.With the innovative model of“IP collaboration plus industrial activities,”the company has injected new vitality into the development of the cultural and creative industry and promoted the export of Chinese animation.展开更多
Thermal conductivity is one of the most fundamental physical properties,playing a crucial role in a wide range of applications.In thermoelectric materials,which enable the direct conversion of heat into electricity,lo...Thermal conductivity is one of the most fundamental physical properties,playing a crucial role in a wide range of applications.In thermoelectric materials,which enable the direct conversion of heat into electricity,low thermal conductivity is essential to sustain a temperature gradient and enhance efficiency[1].Conversely,materials with high thermal conductivityyare becoming increasingly important in modern electronic technology.As advanced semiconductor chips and miniaturized electronic devices continue to evolve,the demand for efficient heat dissipation grows increasingly stronger[2].Effective thermal management is also critical in optoelectronics and electricvehicle-used batteries,where maintaining optimal operating temperatures is essential for performance and longevity.Given these diverse requirements,a deep understanding of thermal conductivity and the ability to tailor it for specific applications is both a scientific necessity and an engineering imperative.展开更多
The flexible and conformal interconnects for electronic systems as a potential signal transmission device have great prospects in body-worn or wearable applications.High-efficiency wave propagation and conformal struc...The flexible and conformal interconnects for electronic systems as a potential signal transmission device have great prospects in body-worn or wearable applications.High-efficiency wave propagation and conformal structure deformation around human body at radio communication are still confronted with huge challenges due to the lack of methods to control the wave propagation and achieve the deformable structure simultaneously.Here,inspired by the kirigami technology,a new paradigm to construct spoof plasmonic interconnects(SPIs)that support radiofrequency(RF)surface plasmonic transmission is proposed,together with high elasticity,strong robustness,and multifunction performance.Leveraging the strong field-confinement characteristic of spoof surface plasmons polaritons,the Type-I SPI opens its high-efficiency transmission band after stretching from a simply connected metallic surface.Meanwhile,the broadband transmission of the kirigami-based SPI exhibits strong robustness and excellent stability undergoing complex deformations,i.e.,bending,twisting,and stretching.In addition,the prepared Type-II SPI consisting of 2 different subunit cells can achieve band-stop transmission characteristics,with its center frequency dynamically tunable by stretching the buckled structure.Experimental measurements verify the on-off switching performance in kirigami interconnects triggered by stretching.Overcoming the mechanical limitation of rigid structure with kirigami technology,the designer SPIs exhibit high stretchability through out-of-plane structure deformation.Such kirigami-based interconnects can improve the elastic functionality of wearable RF electronics and offer high compatibility to large body motion in future body network systems.展开更多
Pneumatic technology,as one of the core basic industrial automation technologies,has been greatly developed because of its clean,high efficiency,low cost,and easy maintenance advantages.In particular,gas flow control ...Pneumatic technology,as one of the core basic industrial automation technologies,has been greatly developed because of its clean,high efficiency,low cost,and easy maintenance advantages.In particular,gas flow control technology has been widely used in new energy vehicles,the petrochemical industry,and other fields.The typical pneumatic technical principles and electronic pressure/flow controllers are shown in Figure 1.展开更多
文摘Andrew Wangota,a 48-year-old Ugandan farmer,has been using agrivoltaics technology,a solar technology that uses agricultural land for both food production and solar power generation,on his farm in Bunashimolo Parish,Bukyiende Subcounty in Uganda where he has been cultivating plantain,coffee and Irish potatoes for the past 16 years.
文摘The Nanning Four-Leaf Clover Cultural Communication Company(“Clover Culture”for short),which has been deeply engaged in the cultural and creative industry for 13 years,has become a calling card of this year’s China-ASEAN Expo(CAEXPO)thanks to its creativity in AI technology.As a first-time exhibitor,Clover Culture has not only brought its original IP“077”with the Guangxi white-headed langur as the prototype,but also collaborated with the Guangxi International Expo Affairs Bureau to launch AI animation videos and cultural and creative products.With the innovative model of“IP collaboration plus industrial activities,”the company has injected new vitality into the development of the cultural and creative industry and promoted the export of Chinese animation.
文摘Thermal conductivity is one of the most fundamental physical properties,playing a crucial role in a wide range of applications.In thermoelectric materials,which enable the direct conversion of heat into electricity,low thermal conductivity is essential to sustain a temperature gradient and enhance efficiency[1].Conversely,materials with high thermal conductivityyare becoming increasingly important in modern electronic technology.As advanced semiconductor chips and miniaturized electronic devices continue to evolve,the demand for efficient heat dissipation grows increasingly stronger[2].Effective thermal management is also critical in optoelectronics and electricvehicle-used batteries,where maintaining optimal operating temperatures is essential for performance and longevity.Given these diverse requirements,a deep understanding of thermal conductivity and the ability to tailor it for specific applications is both a scientific necessity and an engineering imperative.
基金the Key Research and Development Program of the Ministry of Science and Technology(2022YFA1404704,2022YFA1405200,and 2022YFA1404902)the National Natural Science Foundation of China(NNSFC)(62222115,62171407,61975176,and 62201500)+1 种基金the Key Research and Development Program of Zhejiang Province(2022C01036)the Fundamental Research Funds for the Central Universities.
文摘The flexible and conformal interconnects for electronic systems as a potential signal transmission device have great prospects in body-worn or wearable applications.High-efficiency wave propagation and conformal structure deformation around human body at radio communication are still confronted with huge challenges due to the lack of methods to control the wave propagation and achieve the deformable structure simultaneously.Here,inspired by the kirigami technology,a new paradigm to construct spoof plasmonic interconnects(SPIs)that support radiofrequency(RF)surface plasmonic transmission is proposed,together with high elasticity,strong robustness,and multifunction performance.Leveraging the strong field-confinement characteristic of spoof surface plasmons polaritons,the Type-I SPI opens its high-efficiency transmission band after stretching from a simply connected metallic surface.Meanwhile,the broadband transmission of the kirigami-based SPI exhibits strong robustness and excellent stability undergoing complex deformations,i.e.,bending,twisting,and stretching.In addition,the prepared Type-II SPI consisting of 2 different subunit cells can achieve band-stop transmission characteristics,with its center frequency dynamically tunable by stretching the buckled structure.Experimental measurements verify the on-off switching performance in kirigami interconnects triggered by stretching.Overcoming the mechanical limitation of rigid structure with kirigami technology,the designer SPIs exhibit high stretchability through out-of-plane structure deformation.Such kirigami-based interconnects can improve the elastic functionality of wearable RF electronics and offer high compatibility to large body motion in future body network systems.
基金supported by the National Key Research and Development Program of China(Grant No.2022YFF0708903)Beijing Engineering Research Center of Efficient and Green Aerospace Propulsion Technology and Advanced Space Propulsion Laboratory of BICE,LabASP-2023-06。
文摘Pneumatic technology,as one of the core basic industrial automation technologies,has been greatly developed because of its clean,high efficiency,low cost,and easy maintenance advantages.In particular,gas flow control technology has been widely used in new energy vehicles,the petrochemical industry,and other fields.The typical pneumatic technical principles and electronic pressure/flow controllers are shown in Figure 1.
