Abstract: The disclosed computer-implemented method for chaining virtual private networks may include (i) establishing a virtual private network client that routes network traffic to a virtual private network, (ii) establishing an additional virtual private network client that routes the network traffic to an additional virtual private network, (iii) configuring the virtual private network client for split routing such that the virtual private network client routes different ranges of incoming network traffic to respective different network addresses, (iv) configuring the additional virtual private network client to route all incoming network traffic according to a default route, and (v) chaining the virtual private network client and the additional virtual private network client such that they process incoming network traffic in series. Various other methods, systems, and computer-readable media are also disclosed.

Abstract: An audio processing method, apparatus and system, capable of realizing the experience of singing Karaoke with other people. The method comprises: acquiring an audio file of a song and a lyric file of the song; playing the audio file at display time corresponding to a first lyric part of the lyric file and recording audio data of a user; playing the audio file at display time corresponding to a second lyric part of the lyric file; and performing audio mixing on the audio data of the user and audio data of the audio file at the display time corresponding to the first lyric part.

Abstract: Disclosed are a chimeric antigen receptor (CAR) targeting CLD18A2, and preparation method and use thereof. The extracellular binding region of the CAR comprises a protein specifically recognizing CLD18A2. The immune effector cell modified by the CAR can be used to treat tumors such as pancreatic cancer and stomach cancer.

Abstract: A spring assist system for a canopy frame. The system including an extension spring, an upper center cap, and a lower center cap. One end of the extension spring is coupled to the upper center cap and the other end is coupled to the lower center cap. A force of the extension spring draws, in an axial direction, the lower center cap toward the upper center cap to decrease a length of the extension spring.

Abstract: A playback control method, a player device, and a storage medium are provided. The method comprises: establishing the correspondence between a playback device and an account; establishing a connection between the playback device and the player device; allowing the account login via the correspondence between the playback device and the account; receiving and executing the playback control operation instruction of the playback device. By establishing a correspondence between the playback device and the account, once the connection between the playback device and the player is established, the account login can be directly allowed via the correspondence between the player and the account.

Abstract: Some embodiments of the present disclosure provide a side wall component of a railway vehicle, and a railway vehicle. The side wall component of a railway vehicle includes: a side wall, including a side wall body; and a plurality of side wall upright columns, connected with the side wall body respectively, the plurality of side wall upright columns being provided along a length direction of the side wall body at an interval, wherein an auxiliary air duct of a railway vehicle is formed between at least two of the plurality of side wall upright columns and the side wall body in the length direction of the side wall body. According to some embodiments of the present disclosure, an auxiliary air duct of a railway vehicle is directly formed on a side wall, so that the railway vehicle is compact in structure.

Abstract: Application identification and control in a network device. In one embodiment, a method may include establishing, at a network device, a Virtual Private Network (VPN) tunnel through which all Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) traffic sent from or received at the network device is routed. The method may also include monitoring, at the network device, all TCP and UDP traffic sent from or received at the network device through the VPN tunnel. The method may further include extracting, at the network device, payload data from the monitored TCP and UDP traffic. The method may also include analyzing the extracted payload data to identify applications executing on the network device that sent or received the monitored TCP and UDP traffic. The method may further include taking, at the network device, a security action on the network device based on the identified applications.

Abstract: Provided herein is a narrow-range polyacetylene ester compound and a preparation method. The narrow-range polyacetylene ester compound has a structural formula as represented by formula (I). The method includes: in atmospheric carbon dioxide environment, a bifunctional alkyne monomer, carbon dioxide, and a dihalide monomer perform polymerization reaction by means of a combined action of a catalyzer and alkali, dissolve the product into an organic solvent, then add same to a precipitant for precipitation, collect precipitates, and dry same to the constant weight to obtain the narrow-range polyacetylene ester compound. The reaction is carried out in atmospheric carbon dioxide atmosphere, and carbon dioxide is involved as a monomer in the formation of a polymer. The obtained narrow-range polyacetylene ester compound has good thermal stability and excellent processability. Due to introduction of an aggregation-induced emission group, some polymers show a typical aggregation-induced emission performance.

Abstract: A spring assist system for a canopy frame. The system including an extension spring, an upper center cap, and a lower center cap. One end of the extension spring is coupled to the upper center cap and the other end is coupled to the lower center cap. A force of the extension spring draws, in an axial direction, the lower center cap toward the upper center cap to decrease a length of the extension spring.

Abstract: An optical imaging lens assembly is disclosed. The optical imaging lens assembly includes, sequentially along an optical axis from an object side to an image side, a first lens to a fifth lens. The first lens may have a positive refractive power and a concave object-side surface. The second lens may have a positive or a negative refractive power and a concave object-side surface. The third lens may have a positive or a negative refractive power. The fourth lens may have a positive refractive power and a convex image-side surface. The fifth lens may have a negative refractive power, and an object-side surface of the fifth lens and an image-side surface of the fifth lens may both be concave surfaces. A center thickness CT3 of the third lens on the optical axis and a center thickness CT4 of the fourth lens on the optical axis satisfy: CT3/CT4?1.5.

Abstract: The present disclosure discloses an optical imaging lens assembly including a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens sequentially from an object side to an image side along an optical axis. Each of the first lens and the fifth lens has a positive refractive power. Each of the second lens, the third lens, and the fourth lens has a positive refractive power or a negative refractive power. An object-side surface of the first lens and an image-side surface of the fifth lens are convex surfaces. An image-side surface of the second lens, an object-side surface of the sixth lens, and an image-side surface of the sixth lens are concave surfaces. A total effective focal length f of the optical imaging lens assembly and an entrance pupil diameter EPD of the optical imaging lens assembly satisfy: f/EPD?1.8.

Abstract: An optical imaging lens assembly is provided. The optical imaging lens assembly includes, sequentially along an optical axis from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. The first lens has a positive refractive power, the second lens and the seventh lens have a negative refractive power, and the third, fourth, fifth, and sixth lenses have a positive refractive power or a negative refractive power. Object-side surfaces of the first lens and the second lens are a convex surface, object-side surfaces of the fourth lens and the seventh lens are a concave surface, and image-side surfaces of the first, second, and seventh lens are a concave surface. A total effective focal length f and an entrance pupil diameter EPD of the optical imaging lens assembly satisfy: f/EPD?1.70.

Abstract: The present disclosure discloses an optical imaging lens assembly. The optical imaging lens assembly includes, sequentially from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens and a fifth lens. The first lens has a positive refractive power, an object-side surface of the first lens is a convex surface, and an image-side surface of the first lens is a concave surface. The second lens has a positive refractive power or a negative refractive power. The third lens has a negative refractive power. The fourth lens has a positive refractive power. The fifth lens has a negative refractive power, and an image-side surface of the fifth lens is a convex surface. A total effective focal length f of the optical imaging lens assembly and an entrance pupil diameter EPD of the optical imaging lens assembly satisfy: f/EPD?1.9.

Abstract: Some embodiments of the present disclosure provide a side wall component of a railway vehicle, and a railway vehicle. The side wall component of a railway vehicle includes: a side wall, including a side wall body; and a plurality of side wall upright columns, connected with the side wall body respectively, the plurality of side wall upright columns being provided along a length direction of the side wall body at an interval, wherein an auxiliary air duct of the railway vehicle is formed between at least two side wall upright columns and the side wall body in the length direction of the side wall body. The embodiment of the present disclosure enables the railway vehicle to be compact in structure.

Abstract: Some embodiments of the present disclosure provide a roof component of a railway vehicle, and a railway vehicle. The roof component of a railway vehicle includes: two upper boundary beams, the two upper boundary beams being provided at an interval; a camber beam component, the camber beam component being provided between the two upper boundary beams; and a transitional structure, provided on the camber beam component, the transitional structure being connected with at least one of the two upper boundary beams. The technical solution of the present disclosure solves the problem in the conventional art of inconvenient connection between a camber beam component and an upper boundary beam, and a transitional structure of the present application facilitates processing and forming.

Abstract: A control channel for routing management messages to or from an OpenFlow controller is separated from a reserved port within a data channel for routing unknown data packets to or from the OpenFlow controller. The port may be reserved by setting a reserved port flag. A packet routing table may include a table miss entry that indicates the unknown packets should be routed via the reserved port. By utilizing the reserved port to route unknown packets, the unknown packets do not traverse into the control channel, and the separation of the OpenFlow control channel from the OpenFlow data channel is enhanced.

Abstract: The present invention provides an antibody against glypican-3 (GPC3) and application thereof, and the antibody comprises a single chain antibody and humanized antibody.

Abstract: The present invention provides a tumor-specific anti-EGFR antibody and application thereof. The antibody can be used for preparing targeted antitumor drugs and tumor diagnosis drugs.

Abstract: Provided is a chimeric antigen receptor-modified immune effector cell carrying a procedural death ligand 1 (PD-L1) blocking agent. Also provided is a method for secreting and expressing a PD-L1 blocking agent using the immune effector cell as a carrier to improve the anti-tumour effect of the chimeric antigen receptor-modified immune effector cell.

Abstract: A snap-in and support structure of a tent support is disclosed that includes a tube piece, a tube holder, a handle, a stop piece, and a locking sleeve. A handle slides in an axial direction opposite to that of the tube holder. A locking sleeve includes a boss integrally formed on an inner circumferential wall. The boss has a slidably coupled inner surface and a top surface. The slidably coupled inner surface on a first side ascends from a bottom to a top of the inner circumferential wall. The tube piece is vertically slidable in an axial direction opposite to that of the tube holder and the handle. A first locking pin transversely slides against the slidably coupled inner surface and stops above the top surface and is proximal to a second side of the slidably coupled inner surface in a locking state.