Abstract: A developing cartridge includes: a cartridge body for accommodating developers; a driving part at a first end in a first direction; a developing roller rotatable about a rotation axis extending along the first direction and positioned at a third end in a second direction; a storage medium for storing information; an electrical contact surface electrically connected to the storage medium and fixed relative to the cartridge body, and a lifting element configured to lift up the cartridge body in the third direction. The electrical contact surface is positioned at the first end in the first direction and is farther away from the developing roller relative to the driving part. The lifting element is farther away from the developing roller in the second direction away from the driving part.

Abstract: A temperature testing system for hydrate nucleation and phase transition based on infrared imaging is provided and includes a gas-liquid supplying device, a refrigeration device, an infrared imaging device, a hydrate generation device, and a data acquisition device. The gas-liquid supplying device is configured to provide a gas and a liquid required for synthetizing a hydrate. The refrigeration device is configured to provide a temperature environment required for synthetizing the hydrate. The infrared imaging device is configured to in-situ measure temperature changes caused during a formation of the hydrate. The hydrate generation device is configured to provide a visual growth environment for nucleation and phase transition of the hydrate. The data acquisition device is configured to collect a temperature, a system pressure, and infrared imaging data from the hydrate generation device.

Abstract: The invention relates to a diagnostic method and system for drip irrigation cotton with nitrogen nutrient deficit. First, the sensitive leaf layer of cotton is determined according to the growth stage of cotton, and the spectral reflectance and biomass of each functional leaf in the sensitive leaf layer are collected to calculate average spectral reflectance of the sensitive leaf layer and the maximum leaf biomass. Then, the critical nitrogen concentration was calculated according to the maximum leaf biomass. Finally, the nitrogen nutrition index of cotton is calculated according to the nitrogen concentration and the critical nitrogen concentration. The nitrogen nutrition index is used to characterize the abundance and deficiency of nitrogen nutrition in cotton, so as to determine the abundance and deficiency of nitrogen nutrition in cotton, which can reduce the calculation amount of nitrogen nutrition index, diagnose the abundance and deficiency of nitrogen nutrition in drip irrigation cotton.

Abstract: An in-situ observation device for gas hydrates includes a reactor, which includes a visual tube, a pulling rod, a temperature-controlled seed crystal rod and a spiral adjuster. An upper end and a lower end of the visual tube are respectively equipped with an upper end cap and a lower end cap. The upper end cap defines an air inlet, and the lower end cap defines a liquid inlet. An upper end of the temperature-controlled seed crystal rod is connected to an adjusting flange. The adjusting flange is connected to the spiral adjuster. A lower end of the temperature-controlled seed crystal rod hermetically passes through the upper end cap and is located in the visual tube. The temperature-controlled seed crystal rod defines a cooling liquid channel, and a cooling liquid inlet and a cooling liquid outlet, a seed crystal rod liquid inlet and a seed crystal rod outlet.

Abstract: A monitoring and evaluation method for comprehensive evaluation index of machine-harvested cotton defoliation effect and system thereof relates to the field of monitoring and evaluation of cotton-harvested indexes. The RGB images of the machine-harvested cotton canopy are firstly acquired to extract visible-light vegetation index features, color component features and texture features of machine-harvested cotton canopy RGB images; the visible-light vegetation index features, color component features and texture features are input to the trained comprehensive evaluation model of machine-harvested cotton defoliation effect, to output the defoliation effect evaluation value; finally, the harvesting timing of machine-harvested cotton is determined according to the defoliation effect evaluation value.

Abstract: A developing cartridge includes: a cartridge body for accommodating developers; a driving part at a first end in a first direction; a developing roller rotatable about a rotation axis extending along the first direction and positioned at a third end in a second direction; a storage medium for storing information; an electrical contact surface electrically connected to the storage medium and fixed relative to the cartridge body, and a lifting element configured to lift up the cartridge body in the third direction. The electrical contact surface is positioned at the first end in the first direction and is farther away from the developing roller relative to the driving part. The lifting element is farther away from the developing roller in the second direction away from the driving part.

Abstract: Disclosed is a multi-dimensional analysis method for a tripping risk of a whole transmission line due to a lightning shielding failure. A quantity of thunderstorm days, a tower size, a terrain proportion, an altitude, and insulation configuration data are collected for a transmission line for which a tripping risk due to a lightning shielding failure needs to be analyzed, and a striking distance, an exposure distance, a lightning resisting level of the line after altitude factor correction, and a lightning shielding failure risk of a single-base tower are calculated in turn. Characteristics of a lightning shielding failure under different nominal heights, quantities of thunderstorm days, and terrains are studied. Representative combination conditions are selected to calculate a tripping risk of a typical tower due to the lightning shielding failure. A weight coefficient is extracted, to calculate a tripping risk of the whole line due to the lightning shielding failure.

Abstract: A low-frequency acoustic wave generating device for detecting pipeline blockage related to the technical field of pipeline detection is provided and includes a sealing shell configured to be communicated with a pipeline, a sealed pressure environment is formed inside the sealing shell. A low-frequency electroacoustic transducer is disposed inside the sealing shell, the low-frequency electroacoustic transducer is connected to a signal generator and is configured to transmit an acoustic wave into the pipeline. The device transmits the acoustic wave signals to a high-pressure gas pipeline, combined with a signal generator capable of generating any waveform, thereby emitting any waveform of acoustic wave signal into the pipeline. The use of acoustic waves with special markings and characteristics for pipeline blockage detection can improve the anti-noise interference ability of the acoustic wave detection, and improve the precision of the detection.

Abstract: The invention relates to a diagnostic method and system for drip irrigation cotton with nitrogen nutrient deficit. First, the sensitive leaf layer of cotton is determined according to the growth stage of cotton, and the spectral reflectance and biomass of each functional leaf in the sensitive leaf layer are collected to calculate average spectral reflectance of the sensitive leaf layer and the maximum leaf biomass. Then, the critical nitrogen concentration was calculated according to the maximum leaf biomass. Finally, the nitrogen nutrition index of cotton is calculated according to the nitrogen concentration and the critical nitrogen concentration. The nitrogen nutrition index is used to characterize the abundance and deficiency of nitrogen nutrition in cotton, so as to determine the abundance and deficiency of nitrogen nutrition in cotton, which can reduce the calculation amount of nitrogen nutrition index, diagnose the abundance and deficiency of nitrogen nutrition in drip irrigation cotton.

Abstract: The disclosure relates to the technical field of semiconductors, and discloses a method for manufacturing a resonator. The method includes: a substrate is pretreated to change a preset reaction rate of a preset region part of the substrate, so that the preset reaction rate of the preset region part is higher than that of a region outside the preset region part; a preset reaction is performed to the substrate to form a sacrificial material part including an upper half part above an upper surface of the substrate and a lower half part below a lower surface of the substrate; a multilayer structure is formed on the sacrificial material part, and includes a lower electrode layer, a piezoelectric layer and an upper electrode layer from bottom to top; and the sacrificial material part is removed.

Abstract: The present invention discloses a multi-energy complementary system for a co-associated abandoned mine and a use method. The multi-energy complementary system for a co-associated abandoned mine includes a mining mechanism, a grouting mechanism and an energy mechanism. In the present invention, the mining of coal and uranium resources is realized through the mining mechanism, the subsidence and seepage reduction of the stratum is realized through the grouting mechanism, and the effective utilization of waste resources is realized through the energy mechanism. Finally, with the efficient cooperation of the three mechanisms, safe and efficient development and utilization of co-associated resources in the full life cycle are realized, and the purposes of green and efficient mining of coal and uranium resources and secondary development of a coal seam goaf are achieved, thereby facilitating the realization of dual-carbon goals and the development of low-carbon green energy.

Abstract: This application provides a cross-device authentication method and an electronic device. The method is applied to a first electronic device. The first electronic device is connected to a second electronic device, and the method includes: The first electronic device receives a target operation performed by a user on a first interface of the first electronic device. The target operation is for triggering access to a first service, and the first service is associated with the second electronic device. The first electronic device obtains a target authentication manner corresponding to the target operation, and then the first electronic device acquires authentication information based on the target authentication manner, and sends an authentication request to the second electronic device.

Abstract: The disclosure provides a resonator and a filter. The resonator includes: a substrate; and a multilayer structure formed on the substrate. The multilayer structure successively includes a lower electrode layer, a piezoelectric layer and an upper electrode layer from bottom to top. A cavity is formed between the substrate and the multilayer structure, and the cavity includes a lower half cavity below an upper surface of the substrate and an upper half cavity beyond the upper surface of the substrate and protruding toward the multilayer structure. A resonator with novel structure and good performance is formed by providing the cavity with the lower half cavity below the upper surface of the substrate and the upper half cavity above the upper surface of the substrate.

Abstract: Disclosed is a multi-dimensional analysis method for a tripping risk of a whole transmission line due to a lightning shielding failure. A quantity of thunderstorm days, a tower size, a terrain proportion, an altitude, and insulation configuration data are collected for a transmission line for which a tripping risk due to a lightning shielding failure needs to be analyzed, and a striking distance, an exposure distance, a lightning resisting level of the line after altitude factor correction, and a lightning shielding failure risk of a single-base tower are calculated in turn. Characteristics of a lightning shielding failure under different nominal heights, quantities of thunderstorm days, and terrains are studied. Representative combination conditions are selected to calculate a tripping risk of a typical tower due to the lightning shielding failure. A weight coefficient is extracted, to calculate a tripping risk of the whole line due to the lightning shielding failure.

Abstract: The present invention discloses a multi-energy complementary system for a co-associated abandoned mine and a use method. The multi-energy complementary system for a co-associated abandoned mine includes a mining mechanism, a grouting mechanism and an energy mechanism. In the present invention, the mining of coal and uranium resources is realized through the mining mechanism, the subsidence and seepage reduction of the stratum is realized through the grouting mechanism, and the effective utilization of waste resources is realized through the energy mechanism. Finally, with the efficient cooperation of the three mechanisms, safe and efficient development and utilization of co-associated resources in the full life cycle are realized, and the purposes of green and efficient mining of coal and uranium resources and secondary development of a coal seam goaf are achieved, thereby facilitating the realization of dual-carbon goals and the development of low-carbon green energy.

Abstract: The application discloses a resonator and a semiconductor device. The resonator includes: a substrate; and a multilayer structure formed on the substrate. The multilayer structure successively includes a lower electrode layer, a piezoelectric layer and an upper electrode layer from bottom to top. A cavity is formed between the substrate and the multilayer structure. The cavity is delimited by an upper surface of the substrate and a lower surface of the multilayer structure. A middle region of a part, corresponding to the cavity, of the lower surface of the multilayer structure is a plane. A smooth curved surface for smooth transition is between an edge of the middle region and an edge of the cavity, and the smooth curved surface is between the upper surface of the substrate and the plane.

Abstract: Embodiments of this application provide a dual Wi-Fi connection method and an electronic device. While exchanging data with a first access point, a first electronic device in the embodiments of this application may quickly establish a Wi-Fi connection with a second access point based on an association relationship between the first access point and the second access point, and after establishing the Wi-Fi connection with the second access point, exchange data with the first access point and the second access point simultaneously, to effectively shorten a duration taken for accessing the second access point, improve the throughput of the first electronic device and the stability of data transmission, and further improve the user experience.

Abstract: The invention relates to a hydroxyl-functional polyester containing a perfluoropolyether block prepared by a method comprising the following steps: a) subjecting a carboxyl-terminated perfluoropolyether C to a reaction with an epoxy-functional compound D, and b) subjecting the reaction product of step a) to a reaction with a lactone E. The polyester thus prepared can be used in a coating composition, comprising further (b) an OH-functional or epoxy-functional resin, and (c) a hardener comprising groups reactive to the OH or epoxy-functional groups of resin (b).

Abstract: This application provides an information transmission method and an electronic device, where the method may be applied to a wireless projection scenario, and the method includes: performing, by a first electronic device that is connected on 5 GHz, listening on a 2.4 GHz channel; transmitting, by a second electronic device that supports only 2.4 GHz, a probe request frame to the first electronic device; transmitting, by the first electronic device, a probe response to the second electronic device; establishing, by the first electronic device, a connection with the second electronic device; and transmitting, by the second electronic device, information to the first electronic device. The method in the embodiments of the present application helps an electronic device that supports only 2.4 GHz to transmit information to a large-screen device in real time.

Abstract: A method for preparing a biopesticide preparation for preventing and controlling Solenopsis invicta comprising: a: preparing an agent containing pathogenic microorganisms for preventing and controlling Solenopsis invicta, the agent comprises Beauveria bassiana and sodium chloride, with a Beauveria bassiana spores to sodium chloride ratio of (1-8)×20 billion spores: 4.0-7.5 g; b: placing the agent into a solid container, and adding a corresponding amount of solution in a liquid container; inserting the solid container into the liquid container, wherein a retaining ring is stuck at the opening of the liquid container, a rubber gasket is pressed against the retaining ring, and a lid covers the rubber gasket and the retaining ring and is fixed to the opening of the liquid container.