Abstract: A contact structure is provided, which includes a substrate, a copper layer, an organic composite protective layer, and a nanosilver layer. The copper layer is disposed over the substrate. The organic composite protective layer is disposed over the copper layer to avoid oxidation of the copper layer, in which the organic composite protective layer forms a monomolecular adsorption layer over a surface of the copper layer. The nanosilver layer is disposed over the organic composite protective layer. A method of manufacturing a contact structure is also provided.

Abstract: A phosphate-solubilizing microbial agent for maize is provided. The phosphate-solubilizing microbial agent is obtained by fermentation of a strain CR50; and the strain CR50 is Bacillus stratosphericus (B. stratosphericus), which was deposited in the China Center for Type Culture Collection (CCTCC) on Nov. 10, 2020, with a deposit number of CCTCC M 2020721. The phosphate-solubilizing microbial agent has the ability to solubilize insoluble inorganic phosphorus and insoluble organic phosphorus such as calcium phosphate and calcium phytate, which can increase an available phosphorus content in soil, significantly promote the growth of maize, and increase a maize yield. The phosphate-solubilizing strain also has the ability to produce indoleacetic acid (IAA) and siderophore, and can undergo an agglutination reaction with maize agglutinin due to maize agglutinin affinity. The strain CR50 can colonize at maize roots for a long time under the mediation of agglutinin and stably exert the growth-promoting effect.

Abstract: An error extraction method for foreground digital correction of a pipeline analog-to-digital converter including: acquiring a transmission curve of a pipeline analog-to-digital converter, and controlling an input signal to be within a sub-segment 0 of the transmission curve; during extraction of error information of an ith pipeline stage, setting a magnitude of the input signal according to Formula (I); locking the outputs of all previous-stage comparators in the ith pipeline stage of the pipeline analog-to-digital converter; and completing, according to original output code of the pipeline analog-to-digital converter, error extraction by means of adaptive iteration, stage-by-stage, sequentially from a last stage to a first stage of a pipeline.

Abstract: An input method for a virtual keyboard includes: in response to acquiring a click operation on the virtual keyboard, determining a click position of the click operation; determining a first probability that the click operation belongs to each key based on the click position and a current response region corresponding to each key in the virtual keyboard; determining a second probability that the click operation belongs to each key based on an input character sequence; and determining a target key corresponding to the click operation based on the first probability and the second probability for each key.

Abstract: The intelligent measurement and control communication network at least includes at least one management node and at least one common node. The whole intelligent measurement and control communication network is logically divided into a control plane and a service plane. The control plane selects a routing strategy with the shortest path to cause each management node on the control plane to communicate with all common nodes. The service plane is divided into multiple task subnets according to tasks performed by each node, and each task subnet may select different routing strategies according to task requirements of this task subnet. According to the application and scenario needs of the tasks, the control plane combines externally changed parameters and utilizes machine learning to generate a new mathematical model in real time and sends a new task instruction to the service plane.

Abstract: A pharmaceutical composition is prepared from the following raw materials (in parts by weight): silybin (8.75-60), phospholipid (15-65), a Pu'er tea extract (25-200), and vitamin E (6.25-40). The composition has the effect of treating non-alcoholic fatty liver diseases.

Abstract: The present disclosure discloses an interactive method, an electronic device and a storage medium. In an embodiment, the method is applied to an electronic device including an interactive apparatus, and the method includes: receiving login request information and performing identity authentication; displaying information and/or at least one control corresponding to an authentication result; and displaying information corresponding to a control or executing a function corresponding to the control in response to an operation on the control.

Abstract: A self-calibrated system on a chip includes a semiconductor substrate, at least one silicon intellectual property (SIP) circuit including dynamic random access memories (DRAMs), a calibration circuit, and a function circuit, a cyclic oscillator, and a control circuit. Each DRAM has a coarsely-tuned capacitance value and a coarsely-tuned resistance value. The calibration circuit has a finely-tuned capacitance value and a finely-tuned resistance value. The cyclic oscillator transmits an oscillating clock signal to the control circuit to choose and provide the coarsely-tuned capacitance value, the coarsely-tuned resistance value, the finely-tuned capacitance value and the finely-tuned resistance value for the function circuit, thereby adjusting a function parameter.

Abstract: Systems and methods for configuring a security sensor are provided. Some methods can include receiving user input identifying a configuration setting of the security sensor through a user input device located on the security sensor, identifying the configuration setting based on the user input, transmitting a registration message to a security system control panel identifying the configuration setting, and operating in accordance with the configuration setting.

Abstract: Embodiments of this application provide an explosion-proof valve, a battery pack, and an apparatus. The explosion-proof valve includes a flame arresting member and an air permeable membrane. The flame arresting member is configured to connect to a housing of a battery pack, the air permeable membrane is fastened to the flame arresting member, and the battery pack is capable of exchanging gas with the outside through the flame arresting member and the air permeable membrane in sequence. During use of the explosion-proof valve of this application in the battery pack of this application, when thermal runaway occurs inside the housing of the battery pack, pressure inside the housing is suddenly increased, and as a result, the battery pack releases the pressure through the explosion-proof valve, and high-temperature runaway gas impacts and melts the air permeable membrane, forming a smooth air flow channel.

Abstract: The present disclosure provides a forward converter with secondary LCD connected in series to realize excitation energy transfer, comprising a forward converter main circuit and an energy transfer and transmission circuit. The forward converter main circuit includes a high-frequency transformer T, a switching tube S, a diode D1, a diode D2, an inductance L1, and a capacitor C1. The energy transfer and transmission circuit includes a diode D3, a capacitor C2, and an inductance L2. The circuit structure of the present disclosure has simple circuit structure and high reliability. And the reverse recovery problem of the diode could be eliminated by the soft switch-off or soft switch-on of the switching tube, which further reducing the loss of switching tube and diodes and improving the overall efficiency. In addition, the excitation energy could be transferred to the load side to improve the energy transmission efficiency.

Abstract: A high dielectric constant composite material and method for preparing organic thin film transistor using the material as dielectric. The method includes: using sol-gel method, hydrolyzing terminal group-containing silane coupling agent to form functional terminal group-containing silica sol, cross-linked with organic polymer to form composite sol as material of dielectric of organic thin film transistor; forming film by solution method such as spin coating, dip coating, inkjet printing, 3D printing, etc., forming dielectric after curing; preparing semiconductor and electrode respectively to prepare organic thin film transistor device, which, based on composite dielectric material, has mobility of 5 cm2/V·s, exceeding that of using SiO2, having low threshold voltage and no hysteresis effect. Compared with traditional processes like SiO2 thermal oxidation, above method has advantages of simple process, low cost, suitable for large-area preparation, with great market application value.

Abstract: A pharmaceutical composition is prepared from the following raw materials (in parts by weight): silybin (8.75-60), phospholipid (15-65), a Pu'er tea extract (25-200), and vitamin E (6.25-40). The composition has the effect of treating non-alcoholic fatty liver diseases.

Abstract: The present disclosure provides a circuit for generating a multi-phase clock having random disturbance added thereto. The circuit for generating a clock includes a main clock module, a random signal generation module and a buffer matrix switch module. The main clock module generates N multi-phase clock signals; and the buffer matrix switch module randomly switches, under the control of a random control signal output by the random signal generation module, transmission paths of the input N multi-phase clock signals, and outputs N multi-phase clock signals with random disturbance. In the present disclosure, the clock phase error is whitened by adding random disturbance. Only with a small loss of signal-to-noise ratio, the influence of a multi-phase clock phase error on the performance of a high-precision TI ADC can be eliminated in real time, and the influence of the fluctuation of a clock phase error can be tracked and eliminated.

Abstract: The present disclosure provides a method and an apparatus for recommending a travel way. The method includes: obtaining historical travel data; determining a plurality of correlations between respective travel ways according to the historical travel data; generating a vector corresponding to each travel way according to the plurality of correlations between respective travel ways; performing learning on an initial vector corresponding to each user and an initial vector corresponding to each starting-and-arrival pair according to the vector corresponding to each travel way and the historical travel data, to obtain a vector corresponding to each user and a vector corresponding to each starting-and-arrival pair; and recommending a travel way according to the vector corresponding to each travel way, the vector corresponding to each user and the vector corresponding to each starting-and-arrival pair.

Abstract: Anti-tumor platinum drug mineralized protein nanoparticles and a preparation method therefor are disclosed. The anti-tumor platinum-based drug mineralized protein nanoparticles include a platinum drug and a protein. The protein is one or more selected from the group consisting of albumin, transferrin, hemoglobin, and low-density lipoprotein. The platinum drug is cisplatin, iodoplatin, bromoplatin, oxaliplatin, carboplatin, or nedaplatin. A drug loading of the anti-tumor platinum-based drug mineralized protein nanoparticles is 1% to 50%.

Abstract: An abstraction engine receives requests identifying a source application and a logical identifier and maps the request attributes to a stored procedure. The stored procedure invokes a native database call with respect to a database and returns the response to the abstraction later, which reformats the response to an object having <key, value> pairs that is independent of the database protocol or organization. Stored procedures may be mapped to various combinations of attributes of requests, which may include attributes such as a user identifier and application version. The stored procedure may return data from a particular database location or perform more complex functions such as filtering functions with using predefined filter criteria and locations or a filtering criteria and/or location derived from the request.

Abstract: An automated guided vehicle control system includes a commodity database, a historical shopping information acquisition module, a purchase-item prediction module, an automated guided vehicle database, an automated guided vehicle dispatch demand assessment module and an automated guided vehicle dispatch module. The historical shopping information acquisition module is utilized to retrieve the historical shopping information related to the customer, further to locate the instant predicted commodity to be purchased, and thereby to dispatch the suitable automated guided vehicle to the waiting area of the customer. Further, the historical shopping information is evaluated to provide the commodity type options for the customer to select, to locate the commodity type to be purchased, and thereby to organize the automated navigation path for the automated guided vehicle to travel along to reach the assigned commodity display area.

Abstract: The present invention discloses an assembled bamboo sleeper, which is obtained by using a bamboo unit as a raw material, dried and modified at the temperature of 110-180° C., undergone coating treatment using a dopamine solution, adhesive dipping, curing and solidifying, assembling and gluing, further solidifying, further treatment using a dopamine solution, and anti-mildew and/or anti-corrosion and/or anti-insect treatment, and then fastened. The present invention further provides a preparation method for the foregoing bamboo sleeper. The bamboo sleeper prepared in the present invention is green and environmentally friendly, and applicable for ballasted tracks of railways and urban rail transit systems.

Abstract: Methods for forming dummy under-bump metallurgy structures and semiconductor devices formed by the same are disclosed. In an embodiment, a semiconductor device includes a first redistribution line and a second redistribution line over a semiconductor substrate; a first passivation layer over the first redistribution line and the second redistribution line; a second passivation layer over the first passivation layer; a first under-bump metallurgy (UBM) structure over the first redistribution line, the first UBM structure extending through the first passivation layer and the second passivation layer and being electrically coupled to the first redistribution line; and a second UBM structure over the second redistribution line, the second UBM structure extending through the second passivation layer, the second UBM structure being electrically isolated from the second redistribution line by the first passivation layer.