Abstract: A polyimide oligomer of formula (1a), (1b), a copolymer thereof, or a combination thereof wherein each G1 is independently the same or different, and is a cation group; each G2 is independently the same or different, and is an anion group; each D is independently the same or different, and is a single bond or C1-20 divalent hydrocarbon group; each V is independently the same or different, and is a tetravalent C4-40 hydrocarbon group; each R is independently the same or different, and is a C1-20 divalent hydrocarbon group; each n is independently the same or different, and is 1 to 1000, provided that the total of all values of n is greater than 4; and t is 2 to 1000.

Abstract: Embodiments relate to a routing information processing method and apparatus. The method implemented by a first network device includes: obtaining a local route corresponding to a second network device, where the local route includes a first identifier; allocating a first segment identifier based on the fact that the first identifier exists only in the local route; obtaining a local route and a remote route that correspond to a third network device, where each of the local route and the remote route includes a second identifier; allocating a second segment identifier based on the fact that the second identifier exists at least in the local route and the remote route; and sending routing information including the first segment identifier and the second segment identifier. This avoids traffic interruption of a failure-free single-homed network device in a scenario in which single-homing and multi-homing coexist.

Abstract: Provided is an optimization control method for stable operation of an aerial work platform. For an articulated boom type aerial work platform which does not overturn in three preset operational states, the maximum angle ?max of a folding boom angle ? is substituted into a known first stability control function L=g (?, ?, S) to obtain an optimized second stability control function L=f (?, S). The three preset operational states include: State I—a folding boom is fully extended at a maximum angle, and a main boom is fully retracted at a maximum angle; State II—the folding boom is fully retracted at a minimum angle, and the main boom is fully retracted at a maximum angle; and State III, the folding boom is fully retracted at a maximum angle, and the main boom is fully retracted horizontally.

Abstract: This application discloses a packet transmission path switching method. The method includes: After a first PE receives an Ethernet segment ES auto-discovery AD route sent by a second PE, the first PE establishes a bidirectional forwarding detection BFD session with the second PE based on the ES-AD route; based on the fact that the first PE determines that a status of the BFD session is a disconnected state, the first PE determines that a first link between the second PE and a first CE is faulty; and the first PE quickly switches a packet transmitted over a second link between the first PE and the second PE to a third link between the first PE and a third PE. This application implements fast and accurate switching of a packet transmission path.

Abstract: A packet detection method includes a first provider edge (PE) that sends a detection packet to a second PE, where the detection packet is used to enable the second PE to generate a response packet, and the detection packet includes a bypass virtual extensible local area network (VXLAN) tunnel source Internet Protocol (IP) address; the first PE receives, through a bypass VXLAN tunnel, a response packet for the detection packet, where the response packet includes the bypass VXLAN tunnel source IP address; and the first PE obtains a detection result from the response packet. The first PE may receive the response packet, so that the first PE can obtain the detection result.

Abstract: A first provider edge (PE) determines whether a link between the first PE and a second PE is a high latency link, where the second PE is a next hop of the first PE. When determining an actual latency corresponding to the link, the first PE compares the actual latency with a first latency threshold. When the actual latency is greater than or equal to the first latency threshold, it indicates that the actual latency exceeds a latency upper limit corresponding to the link, the first PE determines that the link is a high latency link. In this way, it is not necessary to wait for network management personnel to determine whether the link is a high latency link. After determining the actual latency corresponding to the link, the first PE can determine in time whether the link is a high latency link.

Abstract: A thin film transistor, method of manufacturing the thin film transistor, an array substrate comprising the thin film transistor, and a display device comprising the array substrate. The thin film transistor comprises a substrate; a first electrode on the substrate; an active layer on a side of the first electrode away from the substrate; and a second electrode on a side of the active layer away from the first electrode. The first electrode and the second electrode are connected to the active layer, respectively. are also disclosed.

Abstract: A tightly combined GPS/BDS carrier differential positioning method is provided.

Abstract: Porous carbon fiber electrode materials are provided having fast electron and ion transport. The porous carbon fiber electrodes include uniform mesoscale pores that are partially filled with a metal oxide layer. With large mass loadings of metal oxide, porous carbon fiber electrodes described herein can outperform conventional metal oxide electrodes at similar loadings. In various aspects, electrode materials are provided having (i) a porous carbon fiber support with a plurality of mesoscale pores having an internal surface and an average pore width of about 2 mm to about 200 mm; and (ii) a metal oxide layer on at least the internal surface of the mesoscale pores. Methods of making the porous carbon fiber electrode materials are also provided. Using a microphase-separation of block copolymers, the methods can provide porous carbon fiber supports with interconnected and uniform mesoscale pores that can be deposited with a metal oxide layer.

Abstract: A pump body assembly, a compressor and an air conditioner are provided. The pump body assembly includes a cylinder assembly, which is connected to a first flange and a second flange respectively and is disposed between the first flange and the second flange; a rotation shaft, which is provided and passes through the first flange, the cylinder assembly and the second flange in sequence, and which is provided thereon with sliding vane grooves; and a sliding vane, which is provided inside the sliding vane groove and fits the cylinder assembly to form a working cavity in the cylinder assembly. The first flange is provided thereon with an exhaust channel which is in communication with the working cavity, and the second flange is provided thereon with a gas flow balance portion.

Abstract: Disclosed herein is a composite material comprising a complex of formula I: {[Cp3M3O(OH)3]4(A)6}(I), wherein A represents a ligand of formula II, and a polyamide. There is also disclosed a thin film nanocomposite membrane, a method of manufacturing the composite material and a method of purifying brackish water or seawater with the thin film nanocomposite membrane.

Abstract: Described herein are porous carbon fibers, methods of making the porous carbon fibers, and methods of using the porous carbon fibers. In some aspects, the porous carbon fibers can have a hierarchical distribution of uniformly distributed meso- and micropores, wherein the micropores and mesopores can be interconnected. In aspects, the porous carbon fibers can have mesopores with a uniform pore size.

Abstract: A membrane hetero-structure includes a polymer layer and a single-layer or multi-layer graphene sheet disposed on the polymer layer. The membrane hetero-structure is tensioned across a frame having an opening such that both the polymer layer and the graphene sheet extend across the opening. An optional rigid member is provided in a center of the membrane to be spaced apart from edges of the opening. The assembly of the frame and membrane hetero-structure forms an electrostatically driven micro-electro-mechanical system (MEMS) or sound generation and recording apparatus. In one instance, when a voltage signal is applied between an electrode layer parallel to the membrane and contacts on the frame that are electrically connected to the graphene sheet, the membrane hetero-structure is actuated.

Abstract: Provided are a flowrate measurement device and a flowrate measurement method. The flowrate measurement device includes an attachment portion configured to attach the flowrate measurement device to an object to be measured, and a measurement portion. The measurement portion includes a first ultrasonic transmitter, a second ultrasonic transmitter and a plurality of signal receivers between the first ultrasonic transmitter and the second ultrasonic transmitter. The plurality of signal receivers are spaced apart from each other. The first ultrasonic transmitter, the second ultrasonic transmitter and the plurality of the signal receivers are all disposed on the attachment portion, such that both the first ultrasonic transmitter and the second ultrasonic transmitter are capable of emitting an ultrasonic wave signal to the object to be measured. The signal receivers are capable of receiving an ultrasonic wave signal reflected from the object to be measured.

Abstract: A thin film transistor, method of manufacturing the thin film transistor, an array substrate comprising the thin film transistor, and a display device comprising the array substrate. The thin film transistor comprises a substrate; a first electrode on the substrate; an active layer on a side of the first electrode away from the substrate; and a second electrode on a side of the active layer away from the first electrode. The first electrode and the second electrode are connected to the active layer, respectively. are also disclosed.

Abstract: A polyimide oligomer of formula (1a), (1b), a copolymer thereof, or a combination thereof wherein each G1 is independently the same or different, and is a cation group; each G2 is independently the same or different, and is an anion group; each D is independently the same or different, and is a single bond or C1-20 divalent hydrocarbon group; each V is independently the same or different, and is a tetravalent C4-40 hydrocarbon group; each R is independently the same or different, and is a C1-20 divalent hydrocarbon group; each n is independently the same or different, and is 1 to 1000, provided that the total of all values of n is greater than 4; and t is 2 to 1000.

Abstract: A polyimide oligomer of the formula wherein G is a group having a valence of t and is connected by a covalent bond or an ionic bond, each Q is independently the same or different, and is a cation or a substituted or unsubstituted divalent C1-60 hydrocarbon group, each M is independently the same or different, and is a substituted or unsubstituted divalent C1-60 hydrocarbon group, —O—, —C(O)—, —OC(O)—, —OC(O)O—, —NHC(O)—, —(O)CNH—, —S—, —S(O)—, or —S(O)2—, D is a phenylene, each V is independently the same or different, and is a tetravalent C4-40 hydrocarbon group, each R is independently the same or different, and is a C1-20 divalent bridging group, a C1-20 alkylene-XA, or a C6-30 arylene-XA wherein XA is a cation-anion complex, provided that at least one R is C1-20 alkylene-XA or C6-30 arylene-XA, q, m, d, p, t, and n are as provided herein.

Abstract: A ureido-pyrimidinone oligomer having the formula (I) wherein each Z? is independently the same or different, and is a substituted or unsubstituted straight or branched chain C1-10 alkyl, each R1 is independently the same or different, and is a substituted or unsubstituted straight or branched chain C1-20 alkylene, substituted or unsubstituted C2-20 alkenylene, substituted or unsubstituted C3-8 cycloalkylene, or substituted or unsubstituted C6-18 arylene, each V is independently the same or different, and is a substituted or unsubstituted tetravalent C4-40 hydrocarbon group, each R is independently the same or different, and is a substituted or unsubstituted C1-24 divalent hydrocarbon group; and n has an average value of 2 to 50, preferably 3 to 40, more preferably 5 to 30.