Abstract: This application provides a method for constructing a network structure optimizer performed by an electronic device.

Abstract: Disclosed is a method for preparing aromatic hydrocarbons by hydrocracking a polymer containing aromatic rings, which includes reacting the polymer fragment with hydrogen under the action of a catalyst at a temperature of no more than 350° C.; separating a reaction product to obtain the aromatic hydrocarbons. The catalyst comprises a carrier and an active ingredient supported on the carrier, the active ingredient is at least one selected from Ru, Rh, Pt, Pd, Fe, Ni, Cu and Co, the carrier is at least one selected from metal oxide, phosphate, molecular sieve, SiO2 and sulfonated carbon, the metal oxide is at least one selected from Al2O3, Nb2O5, Nb2O5—Al2O3, Nb2O5—SiO2, TiO2, ZrO2, CeO2 and MoO3; the phosphate is at least one selected from NbOPO4 and ZrOPO4; and the molecule sieve is at least one selected from Nb-SBA-15, Nafion, H-ZSM-5, H-Beta and H-Y.

Abstract: Disclosed is the use of a combination of an anti-PD-1 antibody and a VEGFR inhibitor in the preparation of a drug for treating cancers.

Abstract: A data processing method and apparatus for a Passive Optical Network (PON) system and a PON system, the method including: a first partial bandwidth is allocated to a first Optical Network Unit (ONU) within a first time window, the first ONU having completed registration and being in a working state; and a first data frame from the first ONU is received within a time corresponding to the first partial bandwidth, and a second data frame from a second ONU is detected within the first time window, the second ONU having not completed registration.

Abstract: A compressor liquid accumulator and a compressor are provided. The compressor liquid accumulator has a first suction cup and a second suction cup. The surface of the first suction cup, which faces the second suction cup, is provided with a first welding surface. The facing of the second suction cup, which faces the first suction cup, is provided with a second welding surface. The first welding surface and the second welding surface are connected in a welded manner. The first suction cup and the second suction cup define a cavity. The first suction cup is provided with a first extending portion is adjacent to the first welding surface. The first extending portion is located in a part of the cavity defined by the second suction cup.

Abstract: Provided are a ranging method and a communication method for an optical network, an Optical Line Terminal (OLT), an Optical Network Unit (ONU), and an optical network system. The OLT sends a broadcast message to the ONU, the broadcast message being used to indicate an uplink bandwidth allocated to the ONU. The OLT opens a quiet window for the ONU in a predetermined region. The OLT receives an uplink signal sent by the ONU at the quiet window.

Abstract: Disclosed is a half-vehicle floating device and a half-vehicle position tracking method based on load feedback. The device includes a rack, an active platform, a position-measuring triangle frame and a position-measuring platform. Guide rails corresponding to the active platform and the position-measuring platform are provided vertically on the rack. The active platform and the position-measuring platform are respectively placed on a corresponding rail through a slider. The bottom of the active platform is hinged to a first corner of an active triangle frame through an active slider rod, and a second corner of the active triangle is hinged to the rack and connected to an inverter motor through a transmission device. The bottom of the position-measuring platform is hinged to a first corner of the position-measuring triangle frame through a position measuring slider rod, and a second corner of the position-measuring triangle frame is hinged to the rack.

Abstract: A riveting tool chuck. The riveting tool chuck comprises a cylinder handgrip (1). A rotating member (2) and a transmission member (3) are disposed in the cylinder handgrip in a penetrating manner, the rotating member is axially positioned and circumferentially and rotatably connected to the cylinder handgrip, and the transmission member is circumferentially positioned and axially and movably connected to the cylinder handgrip, and the rotating member and the transmission member are connected by means of a thread structure (4).

Abstract: In some embodiments, a shielded coil assembly is provided that includes (1) a coil having an outer surface, an inner surface, an upper end surface and a lower end surface and a first insulating material formed over the outer surface, inner surface, upper end surface and lower end surface of the coil; and (2) a conductive shield comprising a conductive paint applied along the first insulating material so that the conductive paint extends over at least a portion of each of the outer surface, inner surface, upper end surface, and lower end surface of the coil. In one or more embodiments, a dry-type transformer may be formed using the shielded coil assembly. Numerous other embodiments are provided.

Abstract: A sheath for covering an endoscope includes a latch assembly, an elongate body extending distally from the latch assembly, and a sheath tip extending distally from the elongate body. The latch assembly includes a main housing and a guide housing, the guide housing movable relative to the main housing to increase a longitudinal length of the latch assembly. The sheath tip has a front face including first and second windows disposed within respective first and second openings defined in the front face. The first and second windows are configured to correspond with respective lighting and imaging windows of an endoscope.

Abstract: Provided is a coding control method in a passive optical network (PON). The method includes acquiring a codeword length N corresponding to a service to be coded; acquiring a matched coding mode corresponding to the codeword length N in a preset table describing a correspondence between codeword length ranges and coding modes; and coding data of the service by using the matched coding mode. Further provided are a coding control apparatus in a PON, a communication device and a storage medium.

Abstract: A driver upgrade method and a device are provided, to simplify a driver upgrade process and improve upgrade efficiency. The driver upgrade method includes: receiving, by MANO, first information from a VNF during an upgrade of the VNF, where the first information is used to indicate version information of the VNF after the upgrade; determining, by the MANO, that an NFVI is not upgraded; and sending, by the MANO, second information to the VNF, where the second information is used to indicate the VNF not to upgrade a VF driver installed in the VNF.

Abstract: The invention discloses a passive optical network (PON) system and an implementation method thereof. A first transmission channel and a second transmission channel are provided between an optical line terminal (OLT) and an optical network unit (ONU) in the PON system. The method comprises: the ONU transmits data over the first transmission channel; the ONU transmits, over an uplink channel of the second transmission channel, all of uplink management information; or the ONU transmits, over the uplink channel of the second transmission channel, a part of the uplink management information, and transmits, over an uplink channel of the first transmission channel, the remaining uplink management information other than the part of the uplink management information transmitted over the uplink channel of the second transmission channel.

Abstract: A micro-droplet fluorescence detection system, comprising a microfluidic chip (1), an optical path device, and a movement control device for controlling the chip (1) and an optical path device to move, so that the chip (1) moves relative to the optical path device during a fluorescence scanning detection process of micro-droplets in the chip (1), and the micro-droplets inside the chip (1) remains stationary relative to the chip (1). The micro-droplet fluorescence detection system has advantages of avoiding cross contamination due to closed detection, high detection rate, high throughput and high sensitivity.

Abstract: A multi-beam polling based transmission method and apparatus, and a communications device and an electronic device readable storage medium based on the method are disclosed. An access point AP broadcasts a beacon message, where the beacon message is used to indicate duration of a beacon period; and sends a data packet that includes channel use duration to a station STA, where the channel use duration is used to indicate a target slot at which the AP communicates with the STA within a duration range of the beacon period, so that the AP can communicate with the STA at the target slot.

Abstract: A data transmission method includes steps described below. An optical line terminal (OLT) divides logical links supported by an optical network unit (ONU) into one or more logical link groups; and the OLT allocates a bandwidth to the logical link group of the ONU, so one or more logical links in the logical link group of the ONU share the bandwidth to transmit data.

Abstract: A riveting tool accessory comprises a cylinder handgrip (1) A rotating member (2) and a transmission member (3) are disposed in the cylinder handgrip in a penetrating manner, the rotating member is axially positioned and circumferentially and rotatably connected to the cylinder handgrip, and the transmission member is circumferentially positioned and axially and movably connected to the cylinder handgrip. The rotating member and the transmission member can be connected by means of a thread structure (4). When the rotating member rotates forwards or backwards, the transmission member can be driven to move backwards or forwards. The front end of the transmission member is provided with a connecting member (5) capable of loading a riveting fastener (100), and the front end of the cylinder handgrip is provided with a guide nozzle assembly (6).

Abstract: The present invention belongs to the technical field of embryo cryopreservation. In particular, the present invention relates to an in-vitro embryonic culture medium for improving the thawed recovery rate of an embryo, comprising an inhibitor of Cathepsin L inhibitor, for example, E-64d. The present invention also relates to a method for improving the freezing resistance and the thawing recovery rate of an embryo and a method for freezing an embryo. With the present invention, the freezing resistance and the thawing recovery rate of an embryo are significantly improved.

Abstract: Disclosed is the use of a combination of an anti-PD-1 antibody and a VEGFR inhibitor in the preparation of a drug for treating cancers.