Abstract: A security context update method and a communication apparatus are provided. The method is performed by a terminal, and includes: storing a security context of first access and a security context of second access when the first access of the terminal and the second access of the terminal enter a deregistered state. The first access is one of 3GPP access and non-3GPP access, the second access is the other of the 3GPP access and the non-3GPP access, and the first access and the second access are different. According to the method, when the terminal supports multiple records for multiple registration, storage occasions of NAS security contexts corresponding to the 3GPP access and the non-3GPP access are provided.

Abstract: Waveguides comprising materials with refractive index greater than or equal to 1.8 and methods of patterning waveguides are disclosed. Patterned waveguides comprising materials with refractive index greater than or equal to 1.8 can be incorporated in display devices, such as, for example wearable display devices to project virtual images to a viewer.

Abstract: The present application discloses a method for calibrating a parameter error of an electron probe microanalysis instrument. A one-dimensional grating standard template is prepared based on atom lithography technology. A theoretical grating period D of the one-dimensional grating standard template is calculated. The one-dimensional grating standard template is statically placed on a stage of the electron probe microanalysis instrument. The electron probe microanalysis instrument scans the one-dimensional grating standard template on the stage, performs image acquisition and measurement on a grid distance of the one-dimensional grating standard template to obtain a grating scanning distance measurement value L, and records a magnification ratio at this time. A calibration factor K under the magnification ratio is calculated according to D and L.

Abstract: A method of preparing cathode particles using a co-precipitation reaction in a reactor is disclosed. A feed stream (a) containing metal cations is fed into the reactor, and a feed stream (b) containing anions is fed into the reactor, wherein a ratio of the metal cations in the feed stream (a) is continuously changed from A1 at time t1 to A2 at time t2. The feed stream (a) and the feed stream (b) are contacted in the reactor to form precipitated precursor particles, and at least one transition metal component in the particle has a non-linear continuous concentration gradient profile over at least a portion along a thickness direction of the particle.

Abstract: The present application disclosures a double production line and a rapid prefabrication process of a segmental beam. The double production line including two production machine and a track system provided on the construction ground; the production machine includes a fixed end mold, two side molds, a bottom mold trolley, a middle internal mold trolley and two side internal mold trolley; two side molds are positioned on two sides of the fixed end mold respectively, the fixed end mold and two side molds together define a pouring position with an end opening, two openings of the pouring position are arranged facing each other; the track system includes a transverse track and a longitudinal track communicated with each other, two pouring positions are both positioned in the extension path of the transverse track, and the longitudinal track is positioned between two pouring positions.

Abstract: The present invention relates to a ventilating and blanking device for a coal storage Eurosilo. The ventilating and blanking device includes a top blanking pipe, an axial flow fan and a baffle door, the top blanking pipe including a first pipeline and a second pipeline, an air supply pipe is connected to a side wall of the second pipeline, and the baffle door is connected to a driving mechanism; during blanking, the driving mechanism drives the baffle door so as to make the baffle door close the air supply pipe and the axial flow fan is shut off; and during ventilation, the driving mechanism drives the baffle door so as to make the baffle door close the first pipeline, and the axial flow fan is turned on. Compared with the prior art, the present invention has the advantages of ventilation efficiency, good ventilation effect, etc.

Abstract: According to an aspect of the disclosure, a method of controlling bow of a substrate is provided. In the method, a substrate is provided on which a dielectric layer is formed. The substrate has a bow with respect to a reference plane. The bow of the substrate is adjusted by performing an annealing process on the substrate. The annealing process includes one of a first process condition and a second process condition. The first process condition induces a tensile stress on the substrate to cause the substrate to bow upward with respect to the reference plane. The second process condition induces a compressive stress on the substrate to cause the substrate to bow downward with respect to the reference plane.

Abstract: A method, system, and computer program product for script generation and recommendation from behavior trees are provided. The method receives a set of input commands within a programming interface. The set of input commands is parsed into a set of command parts. The set of input commands is normalized based on the set of command parts to generate a set of normalized commands. A set of behavior trees are generated based on the set of normalized commands and the set of parts. The method generates a set of command scripts based on the set of behavior trees.

Abstract: The present invention relates to the field of pharmaceutical and chemical engineering, and specifically relates to a weakly acidic microenvironment-sensitive aptamer for tumors, a triptolide conjugate. The conjugate is formed by conjugation between the 14-position hydroxyl group of triptolide and the aptamer via an acetal ester linking bond, which is an acid-sensitive linking bond with a cleavage condition of (pH=3.5-6.5), which is much less pH-sensitive and is more likely to cleave under the tumor microenvironment. Based on the characteristics of the aptamer targeting the highly expressed proteins on the membrane surface of tumor cells, the conjugate delivered triptolide targeted to tumor cells and mediated endocytosis to reach the lysosome; based on the characteristics of the acidic environment of lysosomes, the acetal ester linking bond released intact triptolide in the lysosomal acidic environment, targeting and killing of tumor cells.

Abstract: The present disclosure provides a high-temperature negative-pressure air exchange sterilizer and a sterilization method thereof. An air inlet is disposed at a bottom of a waterproof shell of the sterilizer, and an inlet filter is installed at the air inlet. Air entering from the air inlet is divided into two paths at a check valve. One path is connected with a negative-pressure fan through a pipeline B, and the other path is communicated with an air outlet through a pipeline A. A plurality of heating rods and temperature sensors are disposed in the pipeline A. The pipeline A is zigzag disposed at an upper part of the waterproof shell, and a thermal insulation material is disposed outside a zigzag part. A butterfly valve and an outlet filter screen are sequentially disposed at the air outlet in an air exhaust direction. The problem that viruses exhaled by breathing of an infected person are mixed in aerosol, so that a person in close contact with the infected person is likely to be infected is solved.

Abstract: A system for precision displacement measurement based on a self-traceable grating interference includes a coherent light source, a photoelectric detection module, a self-traceable grating and a signal processing module. The self-traceable grating is arranged on a to-be-measured displacement motion platform. The coherent light source, the photoelectric detection module and the signal processing module are sequentially connected. Laser generated by the coherent light source propagates through the photoelectric detection module and is incident on the self-traceable grating, diffracts with the self-traceable grating, returns to the photoelectric detection module to continue propagating and enters the signal processing module. The signal processing module collects an interference signal to obtain a motion displacement and a motion direction.

Abstract: A system for precision displacement measurement based on a self-traceable grating interference includes a coherent light source, a photoelectric detection module, a self-traceable grating and a signal processing module. The self-traceable grating is arranged on a to-be-measured displacement motion platform. The coherent light source, the photoelectric detection module and the signal processing module are sequentially connected. Laser generated by the coherent light source propagates through the photoelectric detection module and is incident on the self-traceable grating, diffracts with the self-traceable grating, returns to the photoelectric detection module to continue propagating and enters the signal processing module. The signal processing module collects an interference signal to obtain a motion displacement and a motion direction.

Abstract: A method for manufacturing grating reference materials having a self-traceability includes: acquiring a mask substrate including a window region and a non-window region; fabricating, a self-traceability mask on the mask substrate by using a laser-focused atomic deposition technique; acquiring a photoresist sample including an extreme ultraviolet photoresist and a second substrate; exposing the extreme ultraviolet photoresist by combining the self-traceability mask with the soft x-ray interference lithography, and then performing a development process after exposing to obtain a photoresist grating structure; and transferring the photoresist grating structure to the second substrate to obtain the grating reference materials.

Abstract: The invention discloses a toll road network traffic information collection and guidance system based on a route identification system, comprising toll road exit and entry toll lane systems, a networked toll center system, a 5.8 G route identification station, a 5.8 G route identification station monitoring system, a dual-frequency pass card for MTC vehicles, an OBU and a non-cash payment card for ETC vehicles, an in-vehicle multimedia terminal and a traffic information processing system. Collection of route identification, traffic information and vehicle driving state information, and traffic information pushing are implemented using the 5.8 GHz route identification station, the dual-frequency pass card and OBU containing a Bluetooth module and an OBU, and the in-vehicle multimedia terminal; processing and predication of information such as travel time, traffic flow, travel velocity, traffic state, and vehicle location on toll road sections are implemented using a method of combining cloud computing with 5.

Abstract: A wireless communication device is described. The wireless communication device includes a transmit/receive (T/R) switch that is configured with an antenna port coupled to an antenna, a transmitter port coupled to a transmitter and a receiver port coupled to a receiver. The T/R switch selectively connects the transmitter port to the antenna port or the receiver port to the antenna port. The wireless communication device also includes a T/R switch controller that sets the T/R switch to disconnect the transmitter from the antenna when the transmitter is actively transmitting in a high insertion loss mode to reduce power from the transmitter to the antenna.

Abstract: A wireless communication device is described. The wireless communication device includes a transmit/receive (T/R) switch that is configured with an antenna port coupled to an antenna, a transmitter port coupled to a transmitter and a receiver port coupled to a receiver. The T/R switch selectively connects the transmitter port to the antenna port or the receiver port to the antenna port. The wireless communication device also includes a T/R switch controller that sets the T/R switch to disconnect the transmitter from the antenna when the transmitter is actively transmitting in a high insertion loss mode to reduce power from the transmitter to the antenna.

Abstract: A method for communications is described. The method includes determining a symbol timing drift elimination amount for a received signal. The method further includes eliminating part of the symbol timing drift by adjusting a reference clock for the modem. Determining the symbol timing drift elimination amount may be based on at least one of a symbol timing drift estimate, a symbol timing error, a packet acquisition indicator, a packet validity indicator, demodulated bits or a carrier presence indicator.

Abstract: A method for communications is described. The method includes determining a symbol timing drift elimination amount for a received signal. The method further includes eliminating part of the symbol timing drift by adjusting a reference clock for the modem. Determining the symbol timing drift elimination amount may be based on at least one of a symbol timing drift estimate, a symbol timing error, a packet acquisition indicator, a packet validity indicator, demodulated bits or a carrier presence indicator.

Abstract: A panel which may be fastened to a side, top or bottom of or formed integrally with a computer case comprising a body member defining an outwardly facing surface and an inwardly facing surface, wherein the body member is provided with at least one conglomerate of apertures, and an area defined by a perimeter of the conglomerate of apertures is at least substantially 50% of the area of the body member.