Abstract: A device and a method are disclosed for collecting and culturing fish embryos and evaluating combined toxicity of thiamethoxam and tetraconazole. An embryo collection component and an embryo culture component are provided on a base plate. The embryo collection component includes a collection tray detachably connected to a bottom of a culture tube. The embryo culture component includes a cavity plate with a stopper inside and a top plate provided with a culture well. A bottom of the culture well is provided with a leakage hole; and after the top plate is installed into the cavity plate, the stopper occludes the leakage hole. The new device is used to carry out the combined toxicity effect test of thiamethoxam and tetraconazole on zebrafish embryos, which can be used to avoid development of pesticide mixtures that have a good preventive effect but pose increased toxicity risk to the ecological environment.

Abstract: This disclosure describes single and multi-layer woven meshes designed to enable sucking flow condensation and capillary-driven liquid film boiling, respectively, for instance, in use in heat spreaders. In some instances, the single-layer woven meshes can include a nanostructure coating and a hydrophobic coating, while the multi-layer meshes can include a microcavity coating and optionally a hydrophilic coating.

Abstract: A display panel including a pixel circuit and a light-emitting element, the pixel circuit including a driving transistor, a data writing transistor, a threshold compensation transistor, a first reset transistor, a bias transistor, and a light-emitting control module, the data writing transistor being electrically connected to a first terminal of the driving transistor, the threshold compensation transistor being connected in series between a gate of the driving transistor and a second terminal of the driving transistor, and configured to detect and self-compensate a threshold voltage deviation of the driving transistor, the first reset transistor and the bias transistor being electrically connected to the second terminal of the driving transistor, the light-emitting control module being connected in series with the driving transistor and the light-emitting element to control whether a driving current flows through the light-emitting element, the data writing transistor and the first reset transistor having th

Abstract: The present disclosure provides a method and apparatus for generating a front-end code. The method includes: acquiring attribute information of view elements in a target UI view interface; determining child view elements corresponding to a given parent view element based on the attribute information of the view elements; determining, according alternately to row correlation information and column correlation information between the child view elements, nodes at different levels of a DOM, tree corresponding to the parent view element except a root node until each leaf node is an individual child view element, to obtain the DOM tree; and generating a complete front-end code corresponding to the target UI view interface based on the DOM tree.

Abstract: A method for compact and flat bismuth metal preparation by electrolysis is provided. In the method, one or more of ?-naphthol, acacia, sulfonated and vulcanized alkylphenol ethoxylate and naphthol ethoxylate oxides are added to the acidic solution of bismuth methanesulfonate as additives, and the cathodic bismuth is obtained by electrolysis at 20-80° C. The method for bismuth metal preparation is simple and easy to promote, environment-friendly, and the obtained bismuth metal has a flat and compact surface and good plate formation effect.

Abstract: The present invention discloses a miniaturized wide-range laser range finder which belongs to the technical field of laser range finding, and comprises a monocular telescopic system, a laser emitting system and a laser receiving system, wherein the monocular telescopic system comprises an objective lens system, a focus adjusting system, a beam splitting prism group, a transparent liquid crystal display unit and an eyepiece system through which visible light passes in sequence; the laser emitting system comprises a laser light source and an emitting lens; the laser receiving system comprises an objective lens system, a focus adjusting system, a beam splitting prism group, a receiving lens, a light filter and a laser receiver through which a laser reflection light signal passes in sequence.

Abstract: The present invention discloses a miniaturized monocular telescopic laser range finder which comprises a receiving and emitting lens group, a focusing negative lens, a beam splitting prism group, an eyepiece group and a laser ranging unit. The receiving and emitting lens group, the focusing negative lens, the beam splitting prism group and the eyepiece group are arranged in sequence from left to right. The receiving and emitting lens group comprises an objective lens and an emitting lens; one side of the objective lens is provided with a groove, and the emitting lens is embedded in the groove. The laser ranging unit is used for emitting laser, receiving the return laser of the laser emitted by the emitting lens, and calculating a distance. The present invention can simultaneously satisfy laser emission and reception through the receiving and emitting lens group, and realizes monocular design and miniaturization.

Abstract: A control method for a heating system of an air conditioner, the method includes: obtaining ambient temperature and external heat exchanger evaporation temperature; obtaining external heat exchanger evaporation pressure, and obtaining, according to the external heat exchanger evaporation pressure, corresponding saturation temperature; and controlling a base plate heating device according to the ambient temperature, the external heat exchanger evaporation temperature, or the saturation temperature. The base plate heating device is controlled according to the ambient temperature, the saturation temperature corresponding to the external heat exchanger evaporation pressure, or the external heat exchanger evaporation temperature, and may avoid freezing of the base plate of an air conditioner, and may ensure normal drainage of the base plate during defrosting to improve the stability and reliability of the air conditioner.

Abstract: A driving circuit includes at least one first module, an electrostatic charge/discharge module connected to the first module and a grounding module; each first module includes a driving module, a signal transmission module and a gating module; the signal transmission module is connected to and transmits a driving signal to the driving module; the grounding module is grounded; the gating module is connected with the signal transmission module; the gating module is turned on with its turn-on voltage less than or equal to a voltage of the signal transmission module, or turned off with the turn-on voltage greater than the voltage of the signal transmission module; the turn-on voltage of the gating module is greater than that of the driving module; the charge/discharge module is connected to the gating module and the grounding module, and configured to store charges flowing therethrough and release the charges to the grounding module.

Abstract: The present disclosure provides a display panel including a substrate, an organic electroluminescent device, and an absorbing layer, wherein the organic electroluminescent device is arranged on the substrate, and the absorbing layer covers the organic electroluminescent device and the substrate. The absorbing layer includes an oxygen absorbing layer and a photocatalytic layer for catalyzing water decomposition, the photocatalytic layer covers the organic electroluminescent device and the substrate around the organic electroluminescent device, and the oxygen absorbing layer is covered on the photocatalytic layer and the substrate around the photocatalytic layer.

Abstract: A driving circuit includes at least one first module, an electrostatic charge/discharge module connected to the first module and a grounding module; each first module includes a driving module, a signal transmission module and a gating module; the signal transmission module is connected to and transmits a driving signal to the driving module; the grounding module is grounded; the gating module is connected with the signal transmission module; the gating module is turned on with its turn-on voltage less than or equal to a voltage of the signal transmission module, or turned off with the turn-on voltage greater than the voltage of the signal transmission module; the turn-on voltage of the gating module is greater than that of the driving module; the charge/discharge module is connected to the gating module and the grounding module, and configured to store charges flowing therethrough and release the charges to the grounding module.

Abstract: The present disclosure provides a display panel including a substrate, an organic electroluminescent device, and an absorbing layer, wherein the organic electroluminescent device is arranged on the substrate, and the absorbing layer covers the organic electroluminescent device and the substrate. The absorbing layer includes an oxygen absorbing layer and a photocatalytic layer for catalyzing water decomposition, the photocatalytic layer covers the organic electroluminescent device and the substrate around the organic electroluminescent device, and the oxygen absorbing layer is covered on the photocatalytic layer and the substrate around the photocatalytic layer.

Abstract: An air conditioner, and a control method and device for a heating system thereof, wherein the method comprises: obtaining ambient temperature and external heat exchanger evaporation temperature; obtaining external heat exchanger evaporation pressure, and obtaining, according to the external heat exchanger evaporation pressure, corresponding saturation temperature; and controlling a base plate heating device according to the ambient temperature, the external heat exchanger evaporation temperature, or the saturation temperature. Hence, the base plate heating device is controlled according to the ambient temperature, the saturation temperature corresponding to the external heat exchanger evaporation pressure, or the external heat exchanger evaporation temperature, to avoid freezing of the base plate of an air conditioner, and ensure normal drainage of the base plate during defrosting, thereby improving the stability and reliability of the air conditioner.

Abstract: An array substrate is provided which includes a base substrate, a plurality of gate line groups disposed on the base substrate, and a plurality of pixel units arranged in an array, each gate line group being disposed between two adjacent rows of pixel units, each gate line group includes a first gate line and a second gate line insulated from each other, the first gate line is connected to a control electrode of the first transistor, the second gate line is connected to a control electrode of the second transistor, and the control electrode of the first transistor and the control electrode of the second transistor are disposed in different layers. A method for manufacturing the array substrate and a display device are also provided.

Abstract: A zero-valent iron pillared montmorillonite repair material relates to the field of environmental functional materials. A preparation method thereof is mainly to obtain the zero-valent iron pillared montmorillonite repair material by reducing hydroxyl-iron pillared montmorillonite at high temperature in a mixed atmosphere of hydrogen and nitrogen, and mainly includes: (1) preparation of Na-montmorillonite; (2) preparation of a polyhydroxy-iron pillared solution; (3) preparation of hydroxy-iron pillared montmorillonite; and (4) obtaining the zero-valent iron pillared montmorillonite repair material by means of high-temperature reduction-calcination in the mixed atmosphere of hydrogen and nitrogen. The zero-valent iron pillared montmorillonite repair material can be used for removing degradation-resistant organic pollutants, and degrading organics into small molecular organics by means of peroxymonosulfate (PMS).

Abstract: A zero-valent iron pillared montmorillonite repair material relates to the field of environmental functional materials. A preparation method thereof is mainly to obtain the zero-valent iron pillared montmorillonite repair material by reducing hydroxyl-iron pillared montmorillonite at high temperature in a mixed atmosphere of hydrogen and nitrogen, and mainly includes: (1) preparation of Na-montmorillonite; (2) preparation of a polyhydroxy-iron pillared solution; (3) preparation of hydroxy-iron pillared montmorillonite; and (4) obtaining the zero-valent iron pillared montmorillonite repair material by means of high-temperature reduction-calcination in the mixed atmosphere of hydrogen and nitrogen. The zero-valent iron pillared montmorillonite repair material can be used for removing degradation-resistant organic pollutants, and degrading organics into small molecular organics by means of peroxymonosulfate (PMS).

Abstract: A coating apparatus includes a coating chamber, and a substrate support structure and a heater in the coating chamber. The substrate support structure includes a plurality of support units. The heater includes a heating plate body having a plurality of through holes and heating filling parts each provided in one of the plurality of through holes, and the plurality of support units are received in the plurality of through holes respectively. In each of the plurality of through holes, one of the plurality of support units is located between one of the heating filling parts and an inner wall of the through hole accommodating the one of the heating filling parts, and the heater further includes connection parts each configured to connect one of the heating filling parts with the inner wall of the through holes accommodating the one of the heating filling parts.

Abstract: The present disclosure provides a LED metal substrate and a LED module. An insulator is provided to cover an electrode or a side surface of a metal layer in the LED metal substrate, or provided on an original creepage path between the electrode and the metal layer in the LED metal substrate to form a new creepage path with increased creepage distance, in order to increase the breakdown voltage between the electrode and the metal layer. It is possible to avoid a phenomenon that an electric arc is generated between the electrode and the metal layer when a relative high voltage applied by the electrode during a breakdown test. So that the breakdown voltage of the LED metal substrate with an insulator reaches higher than that of a LED metal substrate without the insulator in the same dimension, and a technical problem in the art may be solved.

Abstract: A coating apparatus includes a coating chamber, and a substrate support structure and a heater in the coating chamber. The substrate support structure includes a plurality of support units. The heater includes a heating plate body having a plurality of through holes and heating filling parts each provided in one of the plurality of through holes, and the plurality of support units are received in the plurality of through holes respectively. In each of the plurality of through holes, one of the plurality of support units is located between one of the heating filling parts and an inner wall of the through hole accommodating the one of the heating filling parts, and the heater further includes connection parts each configured to connect one of the heating filling parts with the inner wall of the through holes accommodating the one of the heating filling parts.

Abstract: The present disclosure provides a LED metal substrate and a LED module. An insulator is provided to cover an electrode or a side surface of a metal layer in the LED metal substrate, or provided on an original creepage path between the electrode and the metal layer in the LED metal substrate to form a new creepage path with increased creepage distance, in order to increase the breakdown voltage between the electrode and the metal layer. It is possible to avoid a phenomenon that an electric arc is generated between the electrode and the metal layer when a relative high voltage applied by the electrode during a breakdown test. So that the breakdown voltage of the LED metal substrate with an insulator reaches higher than that of a LED metal substrate without the insulator in the same dimension, and a technical problem in the art may be solved.