Abstract: A calibration and verification system for a directional sensor, including an industrial control computer and a directional sensor, wherein the industrial control computer is connected to a sensor signal acquisition system, a first triaxial Helmholtz coil and a second triaxial Helmholtz coil, respectively, wherein a heating calibration turntable is disposed in the first triaxial Helmholtz coil and configured to heat and calibrate the directional sensor, and wherein a high-precision inclination and azimuth test turntable is disposed in the second triaxial Helmholtz coil and configured to verify the directional sensor.

Abstract: An automatic analyzing apparatus according to an embodiment of the present disclosure includes a reagent storage, a reaction vessel, a placement part, and a wiring fixing part. On the placement part, at least one of the reagent storage and the reaction vessel is placed. The wiring fixing part is attached to the bottom face side of the placement part, while a wiring connected to at least one of the reagent storage and the reaction vessel is fixed to the bottom face side of the wiring fixing part. It is possible to pull out the wiring fixing part.

Abstract: A method includes the following: a local identity verification request for controlling an in-vehicle device is sent to a first server, where the first server is configured to generate target verification information corresponding to the terminal device and the in-vehicle device for the identity verification request; the target verification information and a pre-constructed certificate chain that are sent by the first server are received, and the certificate chain and the target verification information are verified based on a predetermined key of the terminal device to obtain a verification result; and when the verification result is that the verification succeeds, a vehicle control instruction is processed based on the target verification information, and a processed vehicle control instruction is sent to the in-vehicle device, so that the in-vehicle device processes the vehicle control instruction based on the target verification information and the certificate chain.

Abstract: The present disclosure provides an ecological governance method based on erosion prevention and control for a gentle slope farmland and relates to the technical field of ecological governance of farmlands. The ecological governance method based on erosion prevention and control for a gentle slope farmland includes the following steps: sampling a gentle slope farmland to investigate erosion thereof; and determining erosion of a gentle slope cultivated land and selecting a corresponding recovery strategy based on a detection result of a sample, a soil quality index (SQI), and a comprehensive vegetation quality index (VQI), where the recovery strategy includes a natural recovery method and a biological-farming comprehensive recovery method; enclosing the gentle slope cultivated land, fallowing the gentle slope cultivated land and reducing tillage; exterminating insect pests and poisonous weeds in the enclosed area; and turning over straws under soil by a cultivator. The growth of poisonous weeds is inhibited.

Abstract: Embodiments of the present invention relate to a method, system and computer program product for application programming interface (API) management. According to the method, in response to a first response from an API provider indicating a failure of a first API request initiated by an API requestor, a second API request is generated at least based on the first API request. The second API request is transmitted to the API provider. A second response to the second API request is received from the API provider. A third response is provided to the API requestor based on the second response.

Abstract: Devices include a substrate, a collector layer, and an emitter layer positively biased relative to the collector. Devices further include a semiconductor layer located between the collector and the emitter. The semiconductor layer includes an organic semiconductor polymer with a donor-acceptor structure.

Abstract: Devices include a substrate, a collector layer, and an emitter layer positively biased relative to the collector. Devices further include a semiconductor layer located between the collector and the emitter. The semiconductor layer includes an organic semiconductor polymer with a donor-acceptor structure.

Abstract: A prescription order distribution method, system and device and a storage medium, which relate to the technical field of data processing.

Abstract: A gas sensor for sensing a gas in a humid environment includes a first electrode layer, a second electrode layer that is spaced apart from the first electrode layer, and a gas sensing layer that electrically interconnects the first electrode layer and the second electrode layer. The gas sensing layer is made of a hygroscopic electrically insulating material.

Abstract: The present disclosure discloses an unpowered wearable walking assistance knee equipment with gait self-adaptivity comprising a left foot power output assembly, a right foot power output assembly, a left leg knee joint assistance execution assembly, a right leg knee joint assistance execution assembly and a driving force transmission device. The equipment of the present disclosure is based on lever principle and crank block structure principle and adopts an operation mode of combining ipsilateral parallel driving input and different sides cross driving input.

Abstract: A gas sensor includes a first electrode, a gas detecting layer disposed on the first electrode, and an electric-conduction enhanced electrode unit being electrically connected to the first electrode and the gas detecting layer. The electric-conduction enhanced electrode unit includes an electric-conduction enhancing layer and a second electrode electrically connected to the electric-conduction enhancing layer. The electric-conduction enhancing layer is electrically connected to the gas detecting layer and is made of an electrically conductive organic material.

Abstract: A corrosion inhibitor composition, containing (a) a cinnamaldehyde compound, (b) an alkoxylated fatty amine, and (c) an imidazoline compound, and optionally (d) a surfactant, and (e) a solvent. A method of inhibiting corrosion of metal in contact with an acidic medium in an oil or gas field environment by introducing the corrosion inhibitor composition into the acidic medium, such as during acid stimulation operations.

Abstract: An organic light-emitting device includes a first electrode layer, an emission layer, an electron transporting layer, an electron injection layer, and a second electrode layer sequentially formed from bottom to top. The emission layer includes a guest light-emitting material, a first phenyl phosphine oxide derivative and a hole transporting material. The electron transporting layer includes a second phenyl phosphine oxide derivative and a third phenyl phosphine oxide derivative different from the second phenyl phosphine oxide derivative. One of the second phenyl phosphine oxide derivative and the third phenyl phosphine oxide derivative is identical to the first phenyl phosphine oxide derivative. The electron injection layer includes an alkaline metal compound.

Abstract: Devices include a substrate, a collector layer, and an emitter layer positively biased relative to the collector. Devices further include a semiconductor layer located between the collector and the emitter. The semiconductor layer includes an organic semiconductor polymer with a donor-acceptor structure.

Abstract: A gas sensor includes a first electrode, a gas detecting layer disposed on the first electrode, and an electric-conduction enhanced electrode unit being electrically connected to the first electrode and the gas detecting layer. The electric-conduction enhanced electrode unit includes an electric-conduction enhancing layer and a second electrode electrically connected to the electric-conduction enhancing layer. The electric-conduction enhancing layer is electrically connected to the gas detecting layer and is made of an electrically conductive organic material.

Abstract: A machining device for duplex gear of high-precision reducer for robot includes a laser welding device, a laser rotary support, a rotary mechanism and a rotary platform, the rotary mechanism being installed with a reducer body, wherein a center of a central gear is fixedly connected with a rotating shaft; sets of duplex gears are evenly disposed around the central gear; the gear of each set of duplex gear which is connected with the central gear are connected to an output gear ring from outside; a fixed gear ring is disposed above the output gear ring; a rotating frame is disposed at ends, close to the top of the reducer, of rotating shafts of the sets of duplex gears and the rotating shaft of the central gear.

Abstract: Described herein are electronics that incorporate heterocyclic organic compounds. More specifically, described herein are organic electronics systems that are combined with donor-acceptor organic semiconductors, along with methods for making such devices, and uses thereof.

Abstract: Disclosed herein are methods, systems, and media for processing service requests. One of the methods includes: receiving, from a client application and by a trusted application, a first service request for executing a first service by the trusted application, wherein the first service request comprises a first expression and an input parameter of the first expression, and the first expression specifies a plurality of target interfaces related to the first service and a sequence of the plurality of target interfaces; executing, by the trusted application and based on the input parameter, the plurality of target interfaces according to the sequence to obtain a target execution result; and returning, by the trusted application to the client application, the target execution result responsive to the first service request.

Abstract: Disclosed herein are methods, systems, and media for processing service requests. One of the methods includes: receiving, from a client application and by a trusted application, a first service request for executing a first service by the trusted application, wherein the first service request comprises a first expression and an input parameter of the first expression, and the first expression specifies a plurality of target interfaces related to the first service and a sequence of the plurality of target interfaces; executing, by the trusted application and based on the input parameter, the plurality of target interfaces according to the sequence to obtain a target execution result; and returning, by the trusted application to the client application, the target execution result responsive to the first service request.

Abstract: A device for analyzing gas emitted from skin includes: an enclosure for collecting the gas emitted from skin, the enclosure having: an inlet through which a carrier gas is flown; and an outlet through which the carrier gas and the gas emitted from skin is flown into a vertical gas sensor, such that the vertical gas sensor has: a substrate; a collector layer; an emitter layer positively biased relative to the collector; a metal grid with a metal layer having openings, the metal grid located in between, but not in direct contact with, the collector and emitter; and an organic semiconductor (OSC) layer located in between the collector and emitter.