38results about How to "Guaranteed arrival" patented technology

The invention belongs to the technical field of biology, and discloses a polypeptide containing two chimeric antigen receptor structures, nucleic acid for coding the polypeptide, a modified T lymphocyte, and a preparation method and application of the T lymphocyte. The polypeptide provided by the invention contains the two chimeric antigen receptor (CAR) structures, wherein one chimeric antigen receptor structure specifically targets a tumor cell, and the other one specifically targets a normal B lymphocyte, so that a CAR-T cell is effectively amplified through recognizing the B lymphocyte ofa blood circulation system, and more CAR-T cells arrive at a solid tumor part so as to specifically kill the tumor cell for improving a treatment effect on the solid tumor. The polypeptide further comprises an ScFv structure of an anti-PD-L1 monoclonal antibody, and the CAR-T cells can simultaneously secrete a PD-L1 monoclonal antibody which interdicts an immunosuppressive action medicated by a PD1/PDL1 signal pathway and T cell failure, so that the treatment effect on the solid tumor is improved, the functional activity of immune cells in vivo is prolonged at the same time, and finally the tumor recurrence is retarded and even avoided.

The embodiment of the invention discloses a drone path planning method and device for logistics, and relates to the technical field of logistics. The problems that an existing logistics drone can hardly achieve large-scale benefits and hardly be copied to be popularized can be relieved. The method includes the steps that the operation saturation degrees of relay stations in a prefecture range aredetermined according to operation data of the relay stations in the prefecture range; the operation capacity of the relay stations in the prefecture range is adjusted according to the acquired operation saturation degrees; target addresses and distribution time limits are acquired according to received distribution orders; relay stations for power supplementing of drones are determined according to current state information of all the relay stations in the prefecture range, and flight plans of the drones are generated; the flight plans are input in the drones, and the drones are started to execute flight tasks. The drone path planning method and device are suitable for task planning of the logistics drones.

The invention provides a downstream user data processing method, which comprises an S-GW used for receiving downstream user data; the user data is transmitted to a user device by the evolution network if an evolution network has a user plane loading,, otherwise the user data is transmitted to a 2G/3G network for processing, thereby transmitting the user data to user equipment by the 2G/3G network or the evolution network, wherein the user equipment is registered in the evolution network or the 2G/3G network. In the invention, if the evolution network has no user plane loading, the user data can be transmitted to the 2G/3G network for processing, under the circumstance of transmitting the user data to the 2G/3G network for processing, even if the network side does not understand the present status of the user equipment, the user data can still be transmitted to the user equipment through the sequent processing of the 2G/3G network.

The embodiment of the invention discloses a relay station planning method and a relay station planning system for a logistics unmanned aerial vehicle (UAV), which relate to the field of logistics technology and can alleviate the problem that the current logistics UAV is difficult to form large-scale benefit and replicate and popularize. The invention comprises the following steps: obtaining the operation data of a relay station within the jurisdiction, wherein the operation data comprises the use records of batteries and charging piles in the relay station; obtaining an operational saturationof a relay station within the jurisdiction according to the operational data, the operational saturation including a frequency of use of batteries and charging piles in the relay station; based on theobtained operational saturation, the operational capacity adjustment data is determined and the operational capacity of the relay stations within the jurisdiction is adjusted. The invention is suitable for commercial application of a logistics unmanned aerial vehicle.

The invention relates to the technical field of artificial intelligence, and discloses a task allocation method, which comprises the steps of constructing a vehicle use route planning map through order information of a user, searching, calculating and selecting vehicles meeting requirements of the order information based on get-on stations carried in the order information, notifying the vehicles to pick up and notifying the user to wait for pick-up. The invention further provides a task allocation device and equipment and a computer readable storage medium. Therefore, a traditional element driving mode is converted into a demand driving mode; vehicle use tasks are allocated according to vehicle construction; vehicle resources can be greatly utilized, the vehicle using requirements of mostpassengers can be met, resource waste of online vehicles caused by execution of a single task of one vehicle at the same time is avoided, the travel route of the vehicle is planned according to needs,in this way, it can be guaranteed that the vehicle arrives on time, and the vehicle using experience of a user for traffic vehicles is greatly improved.

The invention discloses a positioning control method, device and system for an under-activated marine crane within finite time. The method comprises the steps of (1) constructing a two-order sliding mode surface based on a kinetic model of a drivable portion of a marine crane system, and introducing a nonlinear bounded function relevant to a positioning error signal to construct a nonlinear controller; (2) receiving physical parameters of the set marine crane system; (3) receiving boom pitching angle, rope length, load tilt angle and hull roll angle due to sea wave interferences, which are acquired in real time; (4) inputting the received data to the nonlinear controller, and calculating and controlling boom pitching and rope length input force and torque; (5) driving a boom and a rope tomove to a target position within finite time, thereby eliminating residual rocking of a load.

The present invention relates to a headlight (12) for bicycle, comprising a reflector (1) that reflects light emitted from at least an LED (4), and at least holding element (16) that supports at least a circuit board (3) that is connected with at least a said LED (4). The holding element is formed outside the reflector and has a recess (2), with which the circuit board is connected in a shape locking and/or force locking manner. At least one of the recess (2) the circuit board (3), the reflector (1) and the LED (4) is designed to form an angle between 90 DEG to 130 DEG between the first main beam direction (7) of the LED (4) and the second main beam direction (8) of the reflector (1). The headlight has simple installation, good fixation of LED in the reflector. Lightful headlight is formed and reflection area covering at least 40% of the opening area of the reflector can be arranged.

The invention provides a display module and an electronic device. The display module comprises a backlight source and a display panel. The backlight source comprises a first light source for providingvisible light and a second light source for providing invisible light. The display module further comprises a fingerprint sensing layer arranged on the side, away from the backlight source, of the display panel, and the fingerprint sensing layer is used for receiving reflected light reflected by a finger above the display panel. The reflected light is light which is emitted by the second light source, faces the display panel and is obtained after invisible light is reflected. According to the scheme, it can be guaranteed that the light used for sensing the fingerprint reaches the fingerprintsensing layer, so that it is guaranteed that the optical fingerprint module is applied to the display module, and the problem that in the prior art, a display module cannot achieve the optical fingerprint recognition function can be well solved.

The invention discloses a commuting path planning method for a dynamic urban traffic road network. The commuting path planning method comprises the steps of firstly preprocessing road network data; then updating a query queue and a home table, continuously deleting an existing state and adding a new state in the expansion queue query in the execution process, and ending the method operation when the expansion queue query is empty; recording the parent state of each child state by a traceability table come; and finally, enabling the tracing table come to output the shortest path dependent on the time from the starting point to the terminal point of the given arrival time. By considering the time dependence of the road network, the shortest commuting path with given arrival time can be planned for urban office workers in a high-dynamic urban road network.

The invention relates to a wireless sensor network homomorphic encryption privacy protection method. The redundancy of data is ensured through a linear reduction algorithm, and the privacy of data is ensured through homomorphic encryption. According to the linear reduction algorithm, hidden fragmented data information is added to fragmented data so that original data can be reduced based on the hidden data information even if a data packet is lost. The privacy of data is ensured through a homomorphic encryption algorithm. Moreover, the homomorphic encryption algorithm and the linear reduction algorithm are combined. The amount of computation is not increased too much. The method is applicable to a wireless sensor with weak computing ability.

The invention discloses a fully-automatic pedestrian passageway based on a two-way ring structure. The fully-automatic pedestrian passageway is composed of a positive inner ring fully-automatic pedestrian passageway and a negative outer ring fully-automatic pedestrian passageway, wherein an isolation bearing wall is arranged between the inner ring fully-automatic pedestrian passageway and the outer ring fully-automatic pedestrian passageway. The invention provides a fully-automatic pedestrian passageway design for medium-short-distance traffic of an urban densely populated area; and the fully-automatic pedestrian passageway is a relatively green, environment-friendly, efficient and convenient underground pedestrian passageway based on inner and outer ring structures, and a traffic jam problem caused by a short distance can be relieved by utilizing fewest land resources and lowest economic cost, so that medium-short-distance traffic travel time is shortened, and travel efficiency is improved.

The invention relates to the technical field of textile equipment, particularly to a pulp feeding machine for viscose filaments. The pulp feeding machine comprises a casing, a base plate, a safety baffle, a hanging basket, a lifting device and an automatic rotating device; the lifting device is arranged on the casing; the hanging basket is arranged at the lower end of the lifting device; the automatic rotating device is arranged at the lower end of the hanging basket; the base plate is arranged at the lower end of the casing; the safety baffle is arranged on the casing and arranged higher than the base plate. According to the pulp feeding machine for the viscose filaments, the upper portion and the lateral portions of a pulp package can be cleaned, the lower portion of the pulp package can also be cleaned, and accordingly the ash contained in the pulp package can reach the standard 100% and the quality of products is not affected and meanwhile the problem that the ordinary driving clamp or pulp package falls off to hit pedestrians due to the fact that the ordinary driving clamp is free of safety protection structure can be solved and accordingly the security hidden danger is reduced.

The invention belongs to the technical field of health care products, and particularly relates to a composition containing plant chelating peptide and a preparation method of the composition. The composition containing the plant chelating peptide, provided by the invention, is prepared from the following components in parts by weight: 280 to 520 parts of a natural compound extract, 10 to 30 parts of plant chelating peptide, 70 to 150 parts of probiotic powder and 350 to 400 parts of compound amino acid. According to the composition disclosed by the invention, the probiotic powder is combined with the plant chelating peptide, the composite natural extract and the composite amino acid, so that intestinal flora of a human body can be effectively regulated, absorption of nutrient substances is promoted, nutrient substances such as amino acid which cannot be generated by the human body can be supplemented, the immunity of the human body is enhanced, and physical fatigue is relieved; and meanwhile, heavy metals absorbed by the human body through a food chain are chelated, and the composition has a special absorption effect on the heavy metal cadmium Cd < 2 + >, thereby being safer to the human body, effectively playing a role in supplementing nutrition and expelling toxins. The composition is simple in preparation process and easy to popularize and apply.

The invention discloses an automatic device for welding and injection molding of a radio frequency coaxial jumper assembly. The automatic device comprises a feed device, a feeder A, an induction heater, a feeder B, a laser measuring instrument, a workbench, an injection molding machine and a feedback and main control system. The feed device is mainly composed of a cylinder A, a piston rod A, a cylinder B, a piston rod B and a vacuum workpiece support. The feeder A and the feeder B are straight feeders. The workbench is a lift rotary workbench, and comprises an electric motor, a motor A, a chute, a rotary disc, a cylinder C, a cylinder D, a tooling table A, a threaded hole, a buckle and a wire hanging stand in order from the bottom to the top. The feedback and main control system is a closed-loop control system which is used for controlling the operation of each component. According to the invention, the automatic device has the advantages of exquisite design, reasonable layout, rapid and reliable pneumatic control response, and good social and economic benefits; the labor intensity of a worker is reduced; and the production efficiency is improved.