Abstract: A fluidized solidified soil based on gold tailings includes the following raw materials in parts by mass: 75 parts to 80 parts of gold tailings, 5.2 parts to 13 parts of a dispersant solution, and 9 parts to 16 parts of a solidifying material. A preparation method includes the following steps: mixing the gold tailings with the dispersant solution, and then stirring to obtain a suspension slurry of the gold tailings; and adding the solidifying material, and stirring to obtain the fluidized solidified soil. In the present disclosure, the gold tailings are used as a main material, combined with a special dispersant solution and a special solidifying material, and a fluidized solidified soil is prepared with fluidity suitable for pumping and a certain strength after hardening. The fluidized solidified soil prevents the pollution caused by gold tailings landfilling, and can be used as a filling material for various construction projects.

Abstract: A microwave rock-breaking drilling device includes an integrated drill bit assembly, a microwave generating assembly, and a water-jetting and dust-removing assembly, the integrated drill bit assembly comprises a drill bit body, a cutterhead, and a cutting tooth, the cutterhead and the cutting tooth are provided on the drill bit body; the microwave generating assembly comprises a microwave emitting hole, the microwave emitting hole is located on the drill bit body and is communicated with outside; the water-jetting and dust-removing assembly comprises a water jetting hole, the water jetting hole is located on the drill bit body and is communicated with outside.

Abstract: An image guided radiotherapy apparatus and a control method are provided. According to a specific embodiment, the radiotherapy apparatus includes: a treatment unit, which includes a treatment head for generating radiation beam for radiotherapy; an imaging unit for imaging a target area of a patient, wherein the imaging unit is integrated mounted with the treatment head. The radiotherapy apparatus of the present invention can be applicable to both extracorporeal and intraoperative radiotherapy, and has a high radiotherapy accuracy.

Abstract: A hydrogen fuel cell forklift truck with a distributed architecture includes a frame, and, a hydrogen storage system, a fuel cell, a cooling system and an energy storage system arranged on the frame, and the fuel cell is connected with the hydrogen storage system and the energy storage system for charging the energy storage system and providing kinetic energy; the hydrogen storage system is located outside the fuel cell and exposed to the frame for supplying hydrogen to the fuel cell; the cooling system is located outside the fuel cell and connected to the fuel cell for cooling the fuel cell; the energy storage system is located outside the fuel cell and connected to the fuel cell for recovering braking energy and providing kinetic energy together with the fuel cell.

Abstract: A tunable microwave source based on dual-wavelength lasing of a single optical whispering gallery microcavity includes a dual-wavelength laser having the single optical whispering gallery microcavity for generating dual-wavelength lasing with adjustable spacing, narrow linewidth and low threshold; an optical fiber or waveguide amplifier for optical signal amplification; an optical filter for optical signal and noise filtration; and a high-speed detector for generating a tunable microwave signal with narrow bandwidth. The dual-wavelength laser includes a pump source, the optical whispering gallery microcavity, an optical waveguide or a tapered optical fiber, a microcavity substrate, and a gold electrode pair. The frequency spacing of the dual-wavelength lasing is tuned by adjusting the external voltage of the gold electrode pair.

Abstract: The present disclosure generally relates to a system and a method of assessing the lungs of a patient using acoustic mapping to provide an image of the lung function and modifying therapy applied based on the information gathered.

Abstract: The invention provides a method for monitoring health state of blade root fastener, comprising the following steps: obtaining a sequence of acceleration signals representing the lateral vibration of the nacelle and a sequence of rotational speed signals representing the rotational speed of the rotor; analyzing the sequence of acceleration signals and the sequence of rotational speed signals to determine the amplitude of the nacelle at 2-time-frequncy of the rotational speed of the rotor; and determining the health state of the blade root fastener based on the amplitude. The invention also provides a system for monitoring the health state of the blade root fastener. Through the present invention, the health state of the blade root fastener can be determined with low cost and high precision, thereby improving the operation efficiency and operation safety of the wind turbine.

Abstract: A method for planning a scan path for intraoperative radiation therapy may comprise acquiring a plurality of images of a region of interest through an auxiliary scanning component, establishing a 3D model of the region of interest based on the plurality of images of the region of interest, determining a radiation therapy volume based on the 3D model of the region of interest, and planning a scan path for a radiation therapy component to scan the radiation therapy volume.

Abstract: A bimodal three-dimensional mammary gland imaging quality detecting phantom and method, which includes: a three-dimensional breast appearance phantom structure made of agarose gel containing polyethylene, which is a radiation equivalent material of adipose tissues under X-rays, the relaxation time of hydrogen protons in the agarose gel under a 3T magnetic field is equivalent to that of human adipose tissues, and mammary gland tissue duct phantoms and phantoms of lobules of mammary gland are distributed in the breast appearance phantom structure. The phantom can be used for the image quality detection and analysis of mammary gland imaging by the systems of magnetic resonance and mammography, the material is elastic and can be compressed on a mammography platform for imaging, and the phantom can also be vertically placed in the magnetic resonance mammary gland coil for tomography, so two imaging modes of one phantom are achieved, and the application range is expanded.

Abstract: A smart lighting apparatus has a metal cover, an antenna module, a wireless circuit, a cup body, a light source, and a driver. The metal cover has a central opening, a front and a back side. The antenna module has an antenna area on the metal ring and receives a wireless signal from the antenna area. The wireless circuit is electrically connected to the antenna module.

Abstract: A multi-robotic arm apparatus for intraoperative radiotherapy is provided. The apparatus may comprise a chassis, a main robotic arm mounted on the chassis for moving a radiation head installed at an end thereof, a first robotic arm mounted on the chassis having a first robotic arm end gripper for gripping an imaging device or a treatment applicator; and a second robotic arm mounted on the chassis having a second robotic arm end gripper for gripping a simulation applicator.

Abstract: A device includes a Global Navigation Satellite System (GNSS) receiver configured to receive GNSS signals from one or more navigational satellites; a pose sensor configured to measure pose data of the GNSS receiver; and one or more processors configured to provide correction data based on the GNSS signals and the pose data.

Abstract: A multi-robotic arm apparatus for intraoperative radiotherapy is provided. The apparatus may comprise a chassis, a main robotic arm mounted on the chassis for moving a radiation head installed at an end thereof, a first robotic arm mounted on the chassis having a first robotic arm end gripper for gripping an imaging device or a treatment applicator; and a second robotic arm mounted on the chassis having a second robotic arm end gripper for gripping a simulation applicator.

Abstract: The present invention provides a nanometer wire grid structure fabrication method.

Abstract: A bimodal three-dimensional mammary gland imaging quality detecting phantom and method, which includes: a three-dimensional breast appearance phantom structure made of agarose gel containing polyethylene, which is a radiation equivalent material of adipose tissues under X-rays, the relaxation time of hydrogen protons in the agarose gel under a 3T magnetic field is equivalent to that of human adipose tissues, and mammary gland tissue duct phantoms and phantoms of lobules of mammary gland are distributed in the breast appearance phantom structure. The phantom can be used for the image quality detection and analysis of mammary gland imaging by the systems of magnetic resonance and mammography, the material is elastic and can be compressed on a mammography platform for imaging, and the phantom can also be vertically placed in the magnetic resonance mammary gland coil for tomography, so two imaging modes of one phantom are achieved, and the application range is expanded.

Abstract: The present disclosure relates to a manufacturing method of wire grid polarizers. The manufacturing method includes: forming a wire grid structure on a mold substrate, wherein the wire grid structure comprises a plurality of wire grids spaced apart from each other, bonding the wire grid structure with a carrier substrate by quantum-dot (QD) adhesive, wherein the QD adhesive includes QD material and adhesive, and detaching the wire grid structure from the mold substrate. The manufacturing process of the wire grid polarizers may be simplified and the yield rate may be enhanced. With the configuration, the color range, the brightness, and the optical performance of the display panel may be enhanced.

Abstract: A manufacturing method of a display panel includes: arranging a plurality of wire-grating structures at intervals on a first substrate, wherein a plurality of transparent zones of the first substrate are defined among the plurality of wire-grating structures; adopting the wire-grating structure as a mask plate to form a black matrix on the transparent zone; providing a second substrate and a liquid crystal layer; and arranging the first substrate, the second substrate, and the liquid crystal layer to form the display panel. The present disclosure can save cost and simplifies processes.

Abstract: The present invention provides a TiO2-based coagulant and use thereof. The TiO2-based coagulant is obtained by the following steps: uniformly mixing acetylacetone and ethanol and dropwise adding titanium tetrachloride to obtain a solution A; mixing deionized water and ethanol to obtain a solution B; dropwise adding solution B to solution A; stirring to obtain a sol, and then aging the sol to constant weight to obtain the TiO2-based coagulant. The TiO2-based coagulant can be used for treating waste water and algae-laden water. The TiO2-based coagulant exhibits good coagulation effects and high stability, solves the problem of too low effluent pH caused by strong inorganic titanate acidity and is favorable to the subsequent treatment of waste water.

Abstract: Disclosed is a flexible substrate, which relates to the technical field of display. The flexible substrate includes a first film and a second film arranged from bottom to top in sequence. The second film is arranged to counteract birefringence effect generated by the first film so as to eliminate phase retardation of the flexible substrate. Thus, display effect can be improved, and impacts on a substrate due to increasing of film thickness can also be avoided. Besides, thickness of the flexible substrate can be determined according to actual needs.

Abstract: The present disclosure relates to a display panel including a first substrate, a second substrate, and a liquid crystal layer between the first substrate and the second substrate. The display panel also includes a first polarized film and a first frame glue, and the first polarized film adheres to a surface of the first substrate facing toward the second substrate. The first frame glue connects between the first substrate and the second substrate such that a closed cell is formed cooperatively by the first substrate and the second substrate. The first polarized film and the liquid crystal layer are received within the closed cell. The present disclosure also relates to a liquid crystal display device. The first polarized film is isolated from external environment so as to enhance the stability of the first polarized film.