Abstract: The present disclosure relates to a nanofiltration membrane preparation method, and a nanofiltration membrane prepared thereby. The preparation method comprises the following steps: preparing a casting solution, and curing the casting solution on a reinforcement material to form a base membrane; sequentially contacting the base membrane with a water phase solution and an oil phase solution so as to perform an interfacial polymerization reaction on the base membrane to form a polyamide functional layer, wherein the water phase solution includes a water phase monomer and an additive, the additive is a glycosylated sulfonamide compound, and the oil phase solution includes an oil phase monomer; and performing post-treatment to obtain a nanofiltration membrane, the post-treatment comprising hydroxylation treatment and crosslinking treatment.

Abstract: Provided are a glass insulation film that utilizes negative ions to remove formaldehyde and a preparation method thereof. The glass insulation film that utilizes negative ions to remove formaldehyde has a composite structure, which includes a transparent film substrate, an insulation coating, an anion coating, and a protective film layer in sequence from bottom to top that are integrally formed.

Abstract: A device for shredding objects includes a feed tray for the reception of objects to be shredded, a roller shredder with at least one powered roller and a further working means in the form of a roller or a comb-shaped counterpart, between which a working gap is formed, in order to shred objects from the feed tray and convey them through the working gap, and a pushing element which can be moved in the feed tray and by means of which the objects to be shredded can be conveyed to the roller shredder. The feed tray can be closed on an upside by a removable cover and an interior space of the feed tray is connected to a suction device for producing a negative pressure.

Abstract: A ceramic ablation-resistant conveyor belt includes a core layer and a vulcanized layer. A ceramic sheet is embedded inside a frame and embedded on the vulcanized layer of the conveyor belt body together with the frame, and is directly connected to a skeleton. The vulcanized layer is exposed on an upper surface of the ceramic sheet. The ceramic sheet is embedded in the frame, which is embedded in the vulcanized layer, which is directly connected to the skeleton to make it stronger. The frame is fixed through the vulcanized layer, and the ceramic sheets are fixed through the frame, which is more solid compared with ceramic sheets connected only by bonding. The conveyor belt is more stable, and the ceramic sheet is less likely to fall off during long-term use. If it falls or is damaged, it can be easily replaced, thereby improving its service life.

Abstract: Dual refrigeration systems for a mono-crystal furnace and methods for pulling a mono-crystal. The first heat exchange assembly includes a first heat exchange mechanism capable of exchanging heat, and a first heat exchange channel and a second heat exchange channel communicating with the first heat exchange mechanism. The second heat exchange assembly includes a second heat exchange mechanism capable of exchanging heat, and a third heat exchange channel and a fourth heat exchange channel communicating with the second heat exchange mechanism. The second heat exchange channel and the fourth heat exchange channel are communicated with a cooling assembly of a water-cooled jacket and a cooling assembly of a mono-crystal furnace, respectively. A first fluid is introduced into the first heat exchange channel. A second fluid is circulated in the second heat exchange channel, cooling assembly of water-cooled jacket, the fourth heat exchange channel, and cooling assembly of mono-crystal furnace.

Abstract: A crimping system includes a base, a fixing device, and a waste recycling device. The base defines a throwing port that allows waste materials to pass through. The fixing device is fixedly installed on the base and adapted to fix a flexible flat piece. The crimping device is movably installed on the base and is movable in two perpendicular, horizontal directions. The crimping device is adapted to crimp a terminal onto the flexible flat piece when it is moved to a predetermined crimping position aligned with the crimping part on the flexible flat piece. The waste recycling device is fixedly installed on the crimping device and moves synchronously with the crimping device. The waste recycling device is adapted to recover waste materials generated during crimping of the terminal, and to eject recovered waste materials through the throwing port when it is moved to a predetermined position aligned with the throwing port.

Abstract: A method for sorting search results, includes: acquiring a plurality of first search results corresponding to a search request and an initial order of the plurality of first search results; determining a type and a style of each of at least one first search result in response to the at least one first search result being push information; based on a preset mapping relationship, determining a first score corresponding to each of the at least one first search result according to the type and the style of each of the at least one first search result; and acquiring an updated order of the plurality of first search results by adjusting the initial order in order of the first score from largest to smallest.

Abstract: A low-divergence multi-junction VCSEL (100,200) includes a first reflector region (103,203) over a substrate (104,204), a second reflector region (102,202) over the first reflector region (103,203), active regions (101,105,106,107,201,205,206,207) between the first reflector region (103,203) and the second reflector region (102,202), an oxide aperture (115,215) and an implantation region (108,109,208,209) between the first reflector region (103,203) and the second reflector region (102,202), and a surface relief structure (112,117,212,217).

Abstract: Disclosed in the present disclosure is a metal structural member used in cooperation with a gallium-based liquid metal. A high phosphorus nickel alloy layer is arranged on a surface of the metal structural member in contact with the gallium-based liquid metal. The metal structural member does not react with the gallium-based liquid metal when it is in contact with the gallium-based liquid metal, thereby avoiding a degradation of heat dissipation performance due to consumption of the gallium-based liquid metal. Further disclosed in the present disclosure are a manufacturing method for the metal structural member, and an application of the metal structural member in heat dissipation of computer chips, cell phone chips, communication products, high power LEDs, insulated gate bipolar transistors, and high power electronic products.

Abstract: A printed wiring board includes an uppermost resin insulating layer, an uppermost conductor layer, a solder resist layer, a dam conductor connected to the upper most conductor layer, and a metal dam formed on and connected to the dam conductor. The uppermost conductor layer includes electrodes and a conductor circuit that are positioned to mount an electronic component in a mounting area in the solder resist layer. The metal dam is surrounding the mounting area. The solder resist layer has first openings reaching to the electrodes of the uppermost conductor layer and a second opening reaching to the conductor circuit of the uppermost conductor layer. The dam conductor is formed in the second opening of the solder resist layer. The conductor circuit in the uppermost conductor layer is a ground circuit or power supply circuit such that the conductor circuit is connected to the metal dam via the dam conductor.

Abstract: An extreme ultraviolet (EUV) light generating device includes a vessel having an internal space, a droplet generator generating droplets to be supplied to the internal space, a droplet emitter emitting the droplets generated by the droplet generator to the internal space, a laser light source generating a laser beam to generate EUV light by reaction with the droplets, a condensing mirror adjacent to the laser light source to at least partially surround the laser light source and concentrating EUV light on an intermediate focus (IF), and gas lock nozzles around the IF to respectively constitute rows and ejecting a flow control gas to the internal space, wherein a tilted direction of a gas lock nozzle in at least one of the rows is tilted in a direction consistent with a tilted direction of a sidewall of the vessel with respect to a central axis direction of the internal space.

Abstract: The present invention relates to plants, such as maize, sorghum or sugar cane, having improved digestibility, in particular improved stover digestibility. The present invention relates to a QTL allele associated with improved digestibility and specific marker alleles associated with the QTL allele. The present invention further relates to such plants, wherein the F35H gene is mutated or wherein F35H expression is altered. The invention also relates to methods for identifying plants having improved digestibility and methods for obtaining such plants.

Abstract: Disclosed are a shoulder rig and a photographic device, relating to the technical field of photographic equipment. The shoulder rig includes a main bracket and a battery bracket. One end of the main bracket is provided with two handles, an upper side of the main bracket is configured to support a camera, and a back side of the main bracket is configured to be put on a shoulder. The battery bracket is movably provided on another end of the main bracket and the battery bracket is configured to install a battery pack.

Abstract: An induction heating device including a vessel detection coil layer that is patterned with a plurality of vessel detection coils printed thereon to detect a cooking vessel placed on the induction heating device; a plurality of heating coil pattern layers that are patterned with heating coils printed thereon; and an insulating layer between the plurality of heating coil pattern layers and the vessel detection coil layer, to insulate the plurality of heating coil pattern layers from the vessel detection coil layer, wherein the vessel detection coil layer, the plurality of heating coil pattern layers, and the insulating layer are in a stacked, hot-pressed heating coil board in which a thickness of the insulating layer is 140 ?m or less.

Abstract: According to the present invention, a distribution board with wireless leakage and overheating alarm functions enabling an emergency situation to be handled by applying a non-contact energy harvesting leakage current and temperature monitoring technology comprises: a distribution board body for receiving and distributing power; an energy harvesting unit for harvesting energy required for operation by using electromotive force induced in a main energy harvesting coil from among energy harvesting coils provided in the vicinity of each of conductors to be monitored; a leakage current monitoring unit for monitoring, in a non-contact manner, a leakage current flowing in a zero-phase current transformer coil provided to encompass, in a non-contact manner, the plurality of conductors to be monitored; a wireless transmission/reception unit for receiving the value of the leakage current from the leakage current monitoring unit, and converting the received value of the leakage current into a low-power wireless signal a

Abstract: An environment-friendly cartridge is provided. The environment-friendly cartridge includes a body portion. The body portion has two end surfaces and an annular side surface connected to the two end surfaces. The body portion is composed of a smoke generating material. A plurality of gas communication structures are formed on the body portion. A plurality of openings in communication with the plurality of gas communication structures are formed on the two end surfaces. A pressure drop between 30 millimeters of water and 300 millimeters of water exists between the two end surfaces of the environment-friendly cartridge. The cartridge includes no filter and no cigarette paper, can be harmlessly degraded, and is environmentally friendly.

Abstract: A driving mechanism is provided and includes a first casing, a second casing and an operating member. The second casing is arranged on the first casing. The operating member is movably mounted on one of the first casing and the second casing. When the operating member is moved from a first state to a second state, the operating member drives another one of the first casing and the second casing to move from a first predetermined position to a second predetermined position along a first vertical direction. When the operating member is moved from the second state to the first state, the another one of the first casing and the second casing moves from the second predetermined position to the first predetermined position along a second vertical direction opposite to the first vertical direction.

Abstract: A backrest-seat assembly of an electric seat mechanical extension device includes a seat panel, a linkage, a front connecting piece, a back connecting piece, a mounting member, a support wheel control member, a backrest adjusting member, a backrest control member and a backrest member. The back connecting piece is fixedly mounted on the seat panel, the backrest member and the front connecting piece are rotatably mounted on the seat panel, the front connecting piece is articulated with the mounting member, the mounting member is mounted on a base, the mounting member is articulated with the support wheel control member and the backrest adjusting member, the backrest adjusting member is articulated with the back connecting piece and the backrest control member, the backrest adjusting member is articulated with the linkage, the linkage is articulated with a leg assembly, the backrest control member is articulated with the backrest member.

Abstract: An electro-mechanical brake includes a piston driven by a motor to push a brake pad toward a wheel disc. The brake also includes: a current detection unit for current flowing through the motor; a piston position detection unit; a map generating unit and a braking force value detection unit. When power is applied to the vehicle at start-up, the first map comprises data correlating current flowing through the motor, position of the piston, and braking force, the second map comprises data of is a map of the current flowing through the motor and a factor are converted into data with reference to the first state, and the factor is a ratio of the braking force to the current flowing through the motor. A braking force value detection detects braking force based on piston position, a current value in the motor, the first map, and the second map.

Abstract: An electric crawler vehicle includes a pair of left and right traveling crawlers, a traveling electric motor that generates traveling power to be transmitted to the pair of left and right traveling crawlers, and a turning electric motor that generates turning power to be transmitted to the pair of left and right traveling crawlers. The traveling electric motor and the turning electric motor are disposed on one lateral side of the vehicle.