Abstract: A superconducting magnet may include magnet coils including at least one group of outer coils and at least one group of inner coils, a container including an accommodating space, at least one first chamber that is disposed within the accommodating space and houses the at least one group of the inner coils, and at least one second chamber that is disposed within the accommodating space and houses the at least one group of the outer coils. The at least one first chamber and the at least one second chamber may be configured to be filled with a cooling medium and are in fluid communication with each other. The cooling medium may be configured to cool the magnet coils to a superconducting state.

Abstract: The present application relates to a heat-resistant semi-conductive thermoplastic resin composition and shaped articles made therefrom. The thermoplastic resin composition comprises the following components: an aromatic polycarbonate, a polyalkylene terephthalate, a conductive carbon black and a reinforcement material. The shaped article made from the thermoplastic resin composition according to the present invention has a good combination of heat-resistance, semi-conductivity and dimensional stability.

Abstract: The present disclosure provides a video laryngoscope system comprising an image acquisition device configured to capture images of glottis and trachea of a subject, a memory configured to store one or more series of instructions, one or more processor configured execute the series of computer instructions stored in the memory. When the instructions are executed by the processor, the video laryngoscope system performs the following steps: receiving the images of the glottis and the trachea captured by the image acquisition device, analyzing the received images to identify a tracheal structure, and quantitatively assessing the trachea based on the identified tracheal structure, to determine at least one attribute of the trachea. The present disclosure further provides a method for quantitatively assessing a trachea.

Abstract: An intelligent device for conveying, grading and aligning of tube products includes: a conveying and grading mechanism, which includes: a timing belt, a timing belt power unit, a swing rod, a track, and a swing rod cylinder; wherein multiple baffles are evenly arranged on a surface of the timing belt; multiple track openings are evenly arranged on a surface of the track; the swing rod cylinder is fixed on a side wall of the track; the swing rod is fixed with an output end of the swing rod cylinder; and multiple single-bundle aligning assemblies, each includes: a cross beam, a vertical beam, a stacking unit, a bracket cylinder, a bracket, an aligning cylinder, and a swing bracket; wherein the bracket is fixed with a telescopic end of the bracket cylinder; the stacking unit is fixed on a surface of the vertical beam along a height direction thereof.

Abstract: A medical device monitoring system includes a monitor and a medical device. The monitor includes an infrared emitter that transmits a first infrared signal, the first infrared signal comprising identification information of the monitor, a second infrared signal comprising the identification information, and a time gap between the first infrared signal and the second infrared signal and a controller that activates the infrared emitter and that sets the time gap the first infrared signal and the second infrared signal. The monitor communication circuitry. The medical device includes a medical sensor and an infrared receiver disposed on the video laryngoscope and that receives the first infrared signal and the second infrared signal. The medical device also includes communication circuitry that communicates the acquired airway images to the monitor communication circuitry when a processor validates a pairing between the video laryngoscope and the monitor.

Abstract: The present invention relates to polycarbonate compositions and molded articles made therefrom. The polycarbonate composition comprises: A) 70-95 wt.% of aromatic polycarbonate, B) 4-26 wt.% of mineral fdler, C) 0.1- 4 wt.% of ester-modified wax, D) 0.1-0.6 wt.% of a mold release agent, E) 0.05-0.3 wt.% of antioxidant, F) 0 - 0.3 wt.% ofneutralizer, and G) 0-2 wt.% of coloring agent, wherein the amount of each component is based on the total weight of the polycarbonate composition. The molded articles made from the polycarbonate composition according to this invention show enhanced impact strength, tensile elongation at break and surface gloss.

Abstract: An energy-delivery device (10) includes a handle body (12), an antenna assembly (14) extending distally from the handle body (12), and a transmission line (16) configured to be detachably coupled to the antenna assembly (14).

Abstract: An intelligent device for conveying, grading and aligning of tube products includes: a conveying and grading mechanism, which includes: a timing belt, a timing belt power unit, a swing rod, a track, and a swing rod cylinder; wherein multiple baffles are evenly arranged on a surface of the timing belt; multiple track openings are evenly arranged on a surface of the track; the swing rod cylinder is fixed on a side wall of the track; the swing rod is fixed with an output end of the swing rod cylinder; and multiple single-bundle aligning assemblies, each includes: a cross beam, a vertical beam, a stacking unit, a bracket cylinder, a bracket, an aligning cylinder, and a swing bracket; wherein the bracket is fixed with a telescopic end of the bracket cylinder; the stacking unit is fixed on a surface of the vertical beam along a height direction thereof.

Abstract: The present invention relates to high-strength high-toughness low-temperature thick-plate structural steel and a heat treatment method thereof. The steel is composed of the following components by weight percentage: C: 0.03-0.08%, Cr: 0.8-1.9%, Mn: 0.01-1.0%, Ni: 3.5-7%, Mo: 0.2-0.5%, V: 0.15-0.2%, Nb: 0.01-0.05%, Cu: 1.2-3.8%, Al: 0-0.5%, P: <0.015%, S: <0.010%, and Fe and inevitable impurities as balance. Compared with the prior art, a steel plate prepared in the present invention can be used at low temperature of ?20 to ?120° C. and ?196° C., maintains relatively high strength and certain toughness, and mainly resolves a technical problem that existing high-strength high-toughness quenched and tempered steel cannot meet equipment requirements in polar resource and energy development; transportation, etc.

Abstract: The disclosure discloses a reservation method and apparatus for an electronic device for improving reservation accuracy, wherein the reservation method includes: receiving a reservation instruction sent by a terminal device, wherein the reservation instruction carries identification information, an operation content, and an execution time of the electronic device; obtaining a current time from a clock source and starts timing, and obtaining a target reference time, wherein the clock source is a clock source of the terminal device, a network device, or the reservation apparatus, and the target reference time is configured to indicate the time after timing; and if determining that a difference value between the target reference time and the execution time is less than values within a preset range, controlling the electronic device to execute the reservation instruction.

Abstract: The present invention relates to high-strength high-toughness low-temperature thick-plate structural steel and a heat treatment method thereof. The steel is composed of the following components by weight percentage: C: 0.03-0.08%, Cr: 0.8-1.9%, Mn: 0.01-1.0%, Ni: 3.5-7%, Mo: 0.2-0.5%, V: 0.15-0.2%, Nb: 0.01-0.05%, Cu: 1.2-3.8%, Al: 0-0.5%, P: <0.015%, S: <0.010%, and Fe and inevitable impurities as balance. Compared with the prior art, a steel plate prepared in the present invention can be used at low temperature of ?20 to ?120° C. and ?196° C., maintains relatively high strength and certain toughness, and mainly resolves a technical problem that existing high-strength high-toughness quenched and tempered steel cannot meet equipment requirements in polar resource and energy development; transportation, etc.

Abstract: The present invention provides a polycarbonate composition and a molded article prepared therefrom. The polycarbonate composition provided by the present invention comprises (50-90) wt. % of polycarbonate, (5-45) wt. % of mineral filler and (1.5-4.5) wt. % of hydroxyl-terminated 5 dendritic branched polyester. The polycarbonate composition and the molded article provided according to the present invention have enhanced impact strength, increased tensile elongation at break, improved flowability and good surface gloss.

Abstract: The present invention relates to a high-temperature resistant modified silicon-containing cyanate ester resin as well as a preparation method and an application thereof. The preparation method comprises the following steps: adding a mixed solution of hydroxyl silicone oil, a silane coupling agent and an organic solvent into a mixed solution of a tetramethylammonium hydroxide aqueous solution and a polar solvent, performing hydrolytic polycondensation at a temperature of 5-40° C. for 4-8 h, and performing distillation to obtain an epoxy-containing silsesquioxane; performing pre-polymerization on the epoxy-containing silsesquioxane and a cyanate ester resin at a temperature of 50-100° C. for 1-8 h to obtain a modified cyanate ester resin; and uniformly mixing the modified cyanate ester resin and a modified anhydride, thereby obtaining the high-temperature resistant modified silicon-containing cyanate ester resin.

Abstract: A nano-silica hybrid vinyl phenyl silicon intermediate, a preparation method therefor and a use thereof in an environmentally-friendly insulating varnish are provided. The nano-silica particles are dispersed uniformly and stably; the nana-silica hybrid vinyl phenyl silicon intermediate has the advantages of resisting high temperatures and coronas and being high in activity; the temperature index measured according to a secant method is 200° C.-240° C., the measured corona-resistant time is 18-36h, and the vinyl active sites carried thereon can have a good compatibility with polyesterimide, heat-resistant polyesters, hydrogen-containing siloxane and modified epoxy; the intermediate is particularly suitable for preparing a high-temperature-resistant and corona-resistant solvent-free insulating varnish; and there are on volatile gases during use, thereby causing on pollution to the atmospheric environment.

Abstract: A polyoxazolidinone resin, a preparation method thereof and a use thereof in an impregnating varnish are provided. The polyoxazolidinone resin is prepared by reacting an alicyclic epoxy resin and a diisocyanate in the presence of a catalyst at 150° C. to 170° C. for 3 to 5 hours, wherein the molar ratio of the isocyanate radical in the diisocyanate to the epoxy radical in the alicyclic epoxy resin is 1:1.8 to 2.3. the impregnating varnish of the present invention uses the polyoxazolidinone resin as a bulk material in combination with acrylated epoxy resin and alicyclic epoxy resin, such that the impregnating varnish has the advantages of being heat resistant and flame retardant, low in cost, and eco-friendly, and finds use in insulation treatment of high-voltage and low-voltage electric machinery.

Abstract: A nano-silica hybrid vinyl phenyl silicon intermediate, a preparation method therefor and a use thereof in an environmentally-friendly insulating varnish are provided. The nano-silica particles are dispersed uniformly and stably; the nana-silica hybrid vinyl phenyl silicon intermediate has the advantages of resisting high temperatures and coronas and being high in activity; the temperature index measured according to a secant method is 200° C.-240° C., the measured corona-resistant time is 18-36h, and the vinyl active sites carried thereon can have a good compatibility with polyesterimide, heat-resistant polyesters, hydrogen-containing siloxane and modified epoxy; the intermediate is particularly suitable for preparing a high-temperature-resistant and corona-resistant solvent-free insulating varnish; and there are on volatile gases during use, thereby causing on pollution to the atmospheric environment.

Abstract: The present invention relates to a high-temperature resistant modified silicon-containing cyanate ester resin as well as a preparation method and an application thereof. The preparation method comprises the following steps: adding a mixed solution of hydroxyl silicone oil, a silane coupling agent and an organic solvent into a mixed solution of a tetramethylammonium hydroxide aqueous solution and a polar solvent, performing hydrolytic polycondensation at a temperature of 5-40° C. for 4-8 h, and performing distillation to obtain an epoxy-containing silsesquioxane; performing pre-polymerization on the epoxy-containing silsesquioxane and a cyanate ester resin at a temperature of 50-100° C. for 1-8 h to obtain a modified cyanate ester resin; and uniformly mixing the modified cyanate ester resin and a modified anhydride, thereby obtaining the high-temperature resistant modified silicon-containing cyanate ester resin.