Abstract: An apparatus to facilitate utilizing structured sparsity in systolic arrays is disclosed. The apparatus includes a processor comprising a systolic array to receive data from a plurality of source registers, the data comprising unpacked source data, structured source data that is packed based on sparsity, and metadata corresponding to the structured source data; identify portions of the unpacked source data to multiply with the structured source data, the portions of the unpacked source data identified based on the metadata; and output, to a destination register, a result of multiplication of the portions of the unpacked source data and the structured source data.

Abstract: Disclosed are a flame retardant and fully biodegradable plastic, a manufacturing method of the same, and an application of the same. A flame retardant and fully biodegradable plastic, prepared from following components with amount by weight: a biodegradable plastic: 70-95 parts; a flame retardant: 1-15 parts; an anti-oxidant: 0-1 part; a lubricant: 0-2 parts; a compatibility agent: 0-3 parts; and a color powder: 0-5 parts; wherein the biodegradable plastic consists of PBS, PBAT, and PLA, and the weight ratio thereof is PLA:PBAT:PBS=1:(1-4):(0-1); the flame retardant consists of decabromodiphenyl ether and diantimony trioxide, and the weight ratio thereof is decabromodiphenyl ether:diantimony trioxide=1:(1-10).

Abstract: Disclosed are a multi-pole radio frequency (RF) device, a method for controlling multi-pole RF device, and an RF therapeutic apparatus. The multi-pole RF device includes an RF power supply, a return electrode, a therapeutic electrode, a controller, a first switch switching circuit, and/or a second switch switching circuit. The controller controls the third input terminal and the fourth input terminal of the second switch switching circuit to be switchably connected to the third output terminal and the fourth output terminal. In the unipolar mode, the controller controls the first output terminal and the second output terminal to be electrically connected to the therapeutic electrode and the return electrode respectively. In the bipolar mode, the controller controls the first output terminal and the second output terminal to be connected to at least one of the plurality of electrode slices respectively.

Abstract: A pyram-shaped deep-sea pressure-resistance shell and a design method therefor. The shell comprises a conical shell, an annular combined shell, a cylindrical shell, a flange bolt, and a perforated thick plate; a bottom end of the conical shell is connected with a top end of the annular combined shell, the conical shell being in communication with an interior part of the annular combined shell; the perforated thick plate blocks the bottom end of the annular combined shell, the perforated thick plate and the annular combined shell being connected by means of multiple flange bolts; the cylindrical shell is disposed inside the annular combined shell, a lower end of the cylindrical shell being inserted in a gap between the annular combined shell and the perforated thick plate.

Abstract: The present disclosure provides a gene combination for expressing and producing terrequinone A in Escherichia coli and use thereof. The gene combination includes a tdiAS gene, a tdiBS gene, a tdiCS gene, a tdiDS gene, a tdiES gene, an sfpS gene, an ScCKS gene, and an AtIPKS gene with nucleotide sequences set forth in SEQ ID NOS:1 to 8. In the present disclosure, a recombinant engineered strain capable of producing terrequinone A having anti-cancer activity is obtained by separately constructing recombinant plasmids pC02 and pU03 through the eight genes and transforming the two recombinant plasmids into E. coli. The content of terrequinone A in a fermentation broth thereof is 106.3 mg/L, which has potential application value in the biopharmaceutical field.

Abstract: Disclosed are a microneedle therapy control method and a microneedle therapy control device, and a radio-frequency (RF) microneedle therapy instrument. The microneedle therapy control method comprises the following steps: acquiring a piercing depth of a microneedle electrode; determining, according to the piercing depth of the microneedle electrode, a movement interval of the microneedle electrode in a length direction; sending a first control signal to a linear driver, so as to enable the linear driver to drive the microneedle electrode to move at a preset speed along the length direction within the movement interval; and sending a second control signal to a power module, so as to enable the power module to provide RF energy to the microneedle electrode during the movement of the microneedle electrode in the movement interval.

Abstract: A carbon canister includes a main body with a chamber containing activated carbon, an end cover mounted to the main body, the end cover and the main body enclosing and forming a cavity, the end cover having a desorption port for connecting with and engine, a Venturi tube mounted in the cavity and including an inlet segment, and a throat and a back suction tube. An inner diameter of the throat is smaller than an inner diameter of the inlet segment. The inlet segment communicates with the activated carbon containing chamber, the throat communicates with the desorption port, the back suction tube connects to the throat, and the back suction tube extends to the bottom of the cavity. Thereby, a negative pressure is created, the fuel collected within the carbon canister is desorbed to the engine so that the fuel utilization is improved, and the exhaust emission is reduced.

Abstract: The present disclosure relates to a composite scaffold containing DFO and rhBMP-2 capable of synergistically stimulating bone formation, a preparation method and use thereof. The composite scaffold contains a matrix, a PEGS gel layer and rhBMP-2, wherein the matrix is an MBG scaffold grafted with DFO on the surface, the PEGS gel layer is carried on the surface of the matrix, and rhBMP-2 is carried inside the PEGS gel layer. In the present disclosure, the function of DFO and rhBMP-2 in vivo and in vitro can be regulated by precisely controlling the immobilization mode and spatial distribution of DFO and rhBMP-2 in the scaffold, and the all-round repair of “rapid enrichment of target cells—angiogenesis-guided bone” can be achieved.

Abstract: A heat shield comprises a first thermal insulation section and a second thermal insulation section, wherein the second thermal insulation section is axially connected to the first thermal insulation section, and the thermal insulation performance of the second thermal insulation section is lower than that of the first thermal insulation section. The heat shield is advantageous in that it cannot only achieve a good integral thermal insulation effect, but also protect thermal-fatigue weak zones of an exhaust system shell, so as to prolong the operating life of the exhaust system and reduce the costs of maintenance and repair for an automobile, etc.

Abstract: A carbon canister includes a main body with a chamber containing activated carbon, an end cover mounted to the main body, the end cover and the main body enclosing and forming a cavity, the end cover having a desorption port for connecting with and engine, a Venturi tube mounted in the cavity and including an inlet segment, and a throat and a back suction tube. An inner diameter of the throat is smaller than an inner diameter of the inlet segment. The inlet segment communicates with the activated carbon containing chamber, the throat communicates with the desorption port, the back suction tube connects to the throat, and the back suction tube extends to the bottom of the cavity. Thereby, a negative pressure is created, the fuel collected within the carbon canister is desorbed to the engine so that the fuel utilization is improved, and the exhaust emission is reduced.

Abstract: A heat shield comprises a first thermal insulation section and a second thermal insulation section, wherein the second thermal insulation section is axially connected to the first thermal insulation section, and the thermal insulation performance of the second thermal insulation section is lower than that of the first thermal insulation section. The heat shield is advantageous in that it cannot only achieve a good integral thermal insulation effect, but also protect thermal-fatigue weak zones of an exhaust system shell, so as to prolong the operating life of the exhaust system and reduce the costs of maintenance and repair for an automobile, etc.

Abstract: An ecological hydroponics control system includes an ecological hydroponics house, wherein: the ecological hydroponics house is provided with ecological control system, smart host system, sensing system and planting system, the smart host system is connected to the ecological control system, the sensing system and the planting system, the ecological control system includes: water supplying and draining system, lighting system, air conditioning system, ventilating system, humidifying system and gas supplying system.

Abstract: A heating device for protecting a bearing of a wind power generator and a bearing system, wherein the heating device is applied to a main shaft of the wind power generator that is externally provided with a bearing, and the heating device is disposed inside the main shaft at a position corresponding to the position of the bearing. The heating device includes multiple circular arc sections, a flexible heat source and a supporting device. The flexible heat source is provided between the circular arc sections and an inner wall of the main shaft. The supporting device supports the internal surface of the circular arc sections, so that the flexible heat source is closely adhered to the inner wall of the main shaft. A heat source is provided for the bearing by the heating device for bearing protection of a wind power generator and the bearing system.

Abstract: A heating device for protecting a bearing of a wind power generator and a bearing system, wherein the heating device is applied to a main shaft of the wind power generator that is externally provided with a bearing, and the heating device is disposed inside the main shaft at a position corresponding to the position of the bearing. The heating device includes multiple circular arc sections, a flexible heat source and a supporting device. The flexible heat source is provided between the circular arc sections and an inner wall of the main shaft. The supporting device supports the internal surface of the circular arc sections, so that the flexible heat source is closely adhered to the inner wall of the main shaft. A heat source is provided for the bearing by the heating device for bearing protection of a wind power generator and the bearing system.

Abstract: An ecological hydroponics control system includes an ecological hydroponics house, wherein: the ecological hydroponics house is provided with ecological control system, smart host system, sensing system and planting system, the smart host system is connected to the ecological control system, the sensing system and the planting system, the ecological control system includes: water supplying and draining system, lighting system, air conditioning system, ventilating system, humidifying system and gas supplying system.

Abstract: A rotary switch electronic cigarette includes a cylindrical electronic cigarette body, wherein: the electronic cigarette body from top to bottom is divided into a retractable smoking nozzle portion, an electric heating portion, and a rotary switch controlling portion. The retractable smoking nozzle portion snaps on the electrically retractable smoking nozzle portion, and snaps on an upper end of the rotary switch controlling portion. The electric heating portion is connected to an upper end of the rotary switch controlling portion in a screw thread manner. The invention has the aesthetical appearance, overall compact design, and is clean and hygiene, convenient to carry, easy to use and observe, wherein the tobacco shred and ash are not likely to leak.

Abstract: This invention discloses an electric tobacco grinder, comprising an electric controlling member and a grinding member, wherein: the electric controlling member comprises a body case for electric controlling member, two batteries, a reducing motor, and a PCBA controlling board; the reducing motor is disposed within the inner center of the body case; the batteries are disposed in the corresponding battery container of the body case, wherein the two battery containers are located adjacent to both sides of the reducing motor; the PCBA controlling board is disposed within a flat port of the body case; the grinding member comprises: a grinding upper case, a grinding lower case, a bottom cover, an upper reamer and a lower reamer; the grinding upper case is embedded to fix itself under the body case; the lower reamer is disposed within the grinding lower case that is screwed up beneath the grinding upper case.

Abstract: This invention provides an annular stereoscopic-heating electronic cigarette with replaceable inner container, comprising: a cylindrical electronic cigarette body; the electronic cigarette body comprises a smoke-filtering member, an annual stereoscopic-heating member and a heat-controlling member; wherein: the annual stereoscopic-heating member comprises an annual stereoscopic-heating casing, and an openwork member for conducting heat. A nickel cadmium (Ni-Cd) heating coil is spirally wind around and firmly contacts the exterior surface of the open member. A replaceable shredded tobacco inner container is sleeved within the openwork member. The exterior of the Ni-Cd heating coil and the bottom of the openwork member are respectively wrapped around by an asbestos heat-insulating layer. A short-circuit contactor is set at the bottom of the annular stereoscopic-heating casing and connects to the Ni-Cd beating coil.

Abstract: Disclosed is an electronic cigarette, which includes a case body, a bottom cover mounted on the case body and a burning room for accommodating tobacco. A heating net is provided in the burning room; the case body is provided with a first accommodating chamber and a second accommodating chamber in which a power supply and a control circuit are provided, the burning room being provided in the first accommodating chamber; the heating net, the power supply and the control circuit are connected in series by means of lead wires; and the electronic cigarette further comprises a mouthpiece connected with the burning room and a switch assembly for controlling the control circuit. The present invention has an advantage that the temperature of the heating net can be increased quickly so that the tobacco in the burning room can burn in a short time.