Abstract: An aerosol generating device includes: a primary liquid storage tank for storing an atomizable substrate; a secondary liquid storage tank in communication with the primary liquid storage tank and external air; and an atomization core in communication with the primary liquid storage tank for atomizing the atomizable substrate flowing from the primary liquid storage tank so as to form aerosols.

Abstract: Provided are structures and methods for doping polycrystalline thin film semiconductor materials in photovoltaic devices. Embodiments include methods for forming and treating a photovoltaic semiconductor absorber layer.

Abstract: An intelligent identification method of aquifer distribution in complex edge-water oil and gas reservoirs is provided. The problem, that targeted water control countermeasures cannot be proposed due to unclear identification of edge-water distribution in complex edge-water reservoirs, is resolved. Based on geological data and production data of a single well, establish a numerical simulation model of a water influx unit for simulating inflow dynamic of complex edge-water influx; by a genetic algorithm, correct characteristic parameters of an aquifer unit, including volume and water influx of the aquifer unit; automatically fit dynamic production data calculated by the model with actual dynamic production data, to obtain optimal characteristic parameters of the aquifer unit; and assign the characteristic parameters to the aquifer unit for inversion to determine aquifer distribution.

Abstract: Structures and methods for manufacturing photovoltaic devices by forming perovskite layers and perovskite precursor layers using vapor transport deposition (VTD) are described.

Abstract: A virtual conference meeting server includes at least one processor and at least one memory storing program code performing operations that include to assign an artificial intelligence (AI) meeting agent to analyze content of a media stream of a monitored meeting. The operation generate a meeting content relevance score based on the analysis by the AI meeting agent of the content of the media stream of the monitored meeting. When the meeting content relevance score satisfies a notification rule, the operations generate a meeting relevance notification to a device of a principal which is not presently joined in to receive the media stream of the monitored meeting. Responsive to an instruction received from the device of the principal or an automated switching rule, the operations switch the device of the principal from another concurrently occurring meeting to join the monitored meeting and receive the media stream of the monitored meeting.

Abstract: An FGF21 polypeptide has one or more of the following properties: stable structure, long half-life, low immunogenicity, high biological activity, and enhanced glucose-lowering and lipid-lowering activities. A fusion protein or immunoconjugate includes the FGF21 polypeptide.

Abstract: A vaporizer includes: a housing, an air outlet channel being formed in the housing; and a vaporization assembly assembled in the housing and having a base and a vaporization core inserted in the base, the base including a top wall facing the air outlet channel and a side wall intersecting with and connected to the top wall. A vaporization channel in communication with the air outlet channel is defined between the side wall and the vaporization core, the vaporization channel being located in an axial direction of the air outlet channel. An air inlet in communication with the vaporization channel is provided on the side wall.

Abstract: Provided are structures and methods for doping polycrystalline thin film semiconductor materials in photovoltaic devices. Embodiments include methods for forming and treating a photovoltaic semiconductor absorber layer.

Abstract: A method by a computing device obtains a digital image of a physical map, identifies features in the digital image, and obtains map augmentation information based on the identified features. The method then generates an augmented map based on the map augmentation information, and provides the augmented map for display. Related mobile devices and computer program products are disclosed.

Abstract: Structures and methods for manufacturing photovoltaic devices by forming perovskite layers and perovskite precursor layers using vapor transport deposition (VTD) are described.

Abstract: An FGF21 polypeptide has one or more of the following properties: stable structure, long half-life, low immunogenicity, high biological activity, and enhanced glucose-lowering and lipid-lowering activities. A fusion protein or immunoconjugate includes the FGF21 polypeptide.

Abstract: The present disclosure provides an electronic cigarette atomizer, including an atomization assembly and a liquid reservoir engaging with the atomization assembly. The liquid reservoir includes a liquid storage cavity. The atomization assembly includes a first holder, a second holder, and a heating assembly located between the first holder and the second holder. The heating assembly includes a porous body and at least one heater engaging with the porous body, and the porous body has an atomizing surface and a liquid-absorbing surface. The liquid-absorbing surface and the atomizing surface are respectively located on two opposite sides of the porous body, the liquid-absorbing surface is in fluid communication with the liquid storage cavity, and an atomization cavity is formed between the atomizing surface and the second holder.

Abstract: A vaporizer includes: a housing, an air outlet channel being formed in the housing; and a vaporization assembly assembled in the housing and having a base and a vaporization core inserted in the base, the base including a top wall facing the air outlet channel and a side wall intersecting with and connected to the top wall. A vaporization channel in communication with the air outlet channel is defined between the side wall and the vaporization core, the vaporization channel being located in an axial direction of the air outlet channel. An air inlet in communication with the vaporization channel is provided on the side wall.

Abstract: The present disclosure provides an electronic cigarette atomizer, including an atomization assembly and a liquid reservoir engaging with the atomization assembly. The liquid reservoir includes a liquid storage cavity. The atomization assembly includes a first holder, a second holder, and a heating assembly located between the first holder and the second holder. The heating assembly includes a porous body and at least one heater engaging with the porous body, and the porous body has an atomizing surface and a liquid-absorbing surface. The liquid-absorbing surface and the atomizing surface are respectively located on two opposite sides of the porous body, the liquid-absorbing surface is in fluid communication with the liquid storage cavity, and an atomization cavity is formed between the atomizing surface and the second holder.

Abstract: A tantalum-tungsten alloy product and a preparation method therefor where the method comprises: (1) providing spherical tantalum-tungsten alloy powder, wherein the powder is characterized in that the lower limit of the particle size is 15 ?m-25 ?m, the upper limit of the particle size is 50 ?m-60 ?m, the time for 50 g of the powder to pass through a standard funnel is 5-10 seconds, the sphericity of the powder is greater than or equal to 0.8, the hollow particle ratio of the powder is less than or equal to 5%, and the apparent density is 9-11 g/cm3; (2) processing and molding the powder by using a 3D printing process to obtain a printed blank; (3) performing printing post-treatment on the blank; and (4) performing vacuum heat treatment on a product from step (3), wherein the temperature of the heat treatment is 1350° C. to 1750° C., and the time is 30-90 minutes.

Abstract: An atomization core includes a porous base. The porous base includes a first surface, a second surface. The second surface is arranged opposite to the first surface. A thermally conductive layer is between the first surface and the second surface. The thermally conductive layer porosity is different than other parts of the porous base porosity. The atomization core includes a heating element is arranged on the first surface.

Abstract: An on-load tap-changer includes: a tap-changer body and a driving mechanism fixed on the tap-changer body. The tap-changer body includes a housing, multiple insulation fixing plates, multiple turntables, each of which includes a sheave and a cam plate, the cam plate of which is rotatably connected to the insulation fixing plate, and the sheave of which is connected to the driving mechanism, multiple vacuum tubes fixed on the multiple insulation fixing plates, and multiple transmission mechanisms, each of which includes a lifting lever and a reverse spring. When the driving mechanism drives the sheave to regulate voltage, the cam plate is synchronously driven to rotate, and then the vacuum tube is driven by the lifting lever and the reverse spring to achieve on/off arc extinction, thereby achieving on-load voltage regulation.

Abstract: This thermal management apparatus for energy storage batteries in cold regions combines a battery enclosure and a diesel-fired circulation heater. The enclosure comprises an enclosure body with dual-layer outer/inner housings separated by a first vacuum insulation layer, and a cover mounted atop the enclosure body containing a second vacuum layer. The inner housing incorporates a water reservoir interlayer connected to two upper-mounted delivery pipes. The cover features water delivery ports fitted with adapters coupling to the pipes, along with a cable routing hole accessing the inner housing. The heater forms a closed hydraulic loop by connecting its inlet and outlet to respective adapters. A temperature sensor installed on the inner housing's interior wall is linked to the heater for operational control. The dual vacuum insulation layers synergize with the circulating water system to maintain optimal battery temperature while minimizing heat dissipation.

Abstract: This thermal management apparatus for energy storage batteries in cold regions combines a battery enclosure and a diesel-fired circulation heater. The enclosure comprises an enclosure body with dual-layer outer/inner housings separated by a first vacuum insulation layer, and a cover mounted atop the enclosure body containing a second vacuum layer. The inner housing incorporates a water reservoir interlayer connected to two upper-mounted delivery pipes. The cover features water delivery ports fitted with adapters coupling to the pipes, along with a cable routing hole accessing the inner housing. The heater forms a closed hydraulic loop by connecting its inlet and outlet to respective adapters. A temperature sensor installed on the inner housing's interior wall is linked to the heater for operational control. The dual vacuum insulation layers synergize with the circulating water system to maintain optimal battery temperature while minimizing heat dissipation.

Abstract: An atomizing assembly, comprising a base comprising an atomizing surface for atomizing liquid to form smoke; a heating body for connecting to a power supply to heat the surface, and directly or indirectly disposed on the surface, wherein the projection area of the heating body is less than the area of the surface, so that the atomizing surface is divided into a heating area occupied by the projection of the heating body, and a blank area surrounding the heating area; and a heat conductor at least partially disposed in the blank area of the atomizing surface and connected to the heating body. The heat conductor can transfer a large variety of energies from the heating area into the blank area, so that the temperature of the blank area rises to the same level as the temperature of the heating area, ensuring that the temperatures of all parts on the entire.