Abstract: A sample processing apparatus (100) and a use method therefor. The sample processing apparatus (100) comprises a uniform mixing mechanism (130) and a magnetic attraction mechanism (140). The sample processing apparatus (100) further comprises at least one of a sample tube (110) and a reaction tube (120). The uniform mixing mechanism (130) is configured to perform uniform mixing processing on a biological sample in the sample tube (110) and/or a biological sample in the reaction tube (120). The magnetic attraction mechanism (140) comprises a magnet (141). The magnet (141) can move relative to the sample tube (110) and/or the reaction tube (120), so as to perform magnetic attraction processing on the biological sample in the sample tube (110) and/or the biological sample in the reaction tube (120).

Abstract: An automatic extraction device and a use method therefor. The automatic extraction device comprises a sample processing apparatus (100), a portal frame (200), a consumable assembly (300), and a pipetting apparatus (400). The sample processing apparatus (100) comprises a uniform mixing mechanism (130) and a magnetic attraction mechanism (140), which are respectively used for performing uniform mixing processing and magnetic attraction processing on a biological sample. The portal frame (200) comprises a base (201) and a moving beam (202) capable of moving relative to the base (201). The sample processing apparatus (100) and the consumable assembly (300) are provided on the base (201). The pipetting apparatus (400) is provided on the moving beam (202) for implementing a pipetting operation between the consumable assembly (300) and the sample processing apparatus (100).

Abstract: The present invention discloses a brain machine interface decoding method based on spiking neural network, comprising: (1) constructing a liquid state machine model based on a spiking neural network, the liquid state machine model consists of an input layer, an middle layer and an output layer, wherein, a connection weight from the input layer to the middle layer is Whh, a loop connection weight inside the middle layer is Whh, a readout weight from the middle layer to the output layer is Wyh; (2) Inputting a neuron spike train signal, and training each weight with the following strategy: (2-1) Using STDP without supervision to train the connection weight Whh from the input layer to the middle layer; (2-2) Setting the loop connection weight Whh inside the middle layer by means of distance model and random connection, and obtaining a middle layer liquid information R(t); (2-3) Using ridge regression with supervision to train the readout weight Wyh from the middle layer to the output layer, and establishing a ma

Abstract: An analyzer and a method for reading a test result of a test apparatus are provided. The analyzer includes an analyzer (1) housing, and a drive system, a photoelectric system, a data processing system and a result output system disposed in the analyzer (1) housing. The test apparatus is carried by an objective stage (10) of the drive system to get in and out of the analyzer (1) to read the test result. The analyzer (1) compact in size and stable in operation is applicable to testing of various biochemical indicators and can improve the efficiency of medical testing.

Abstract: The present disclosure provides a direct current (DC) transformer error detection apparatus for a pulsating harmonic signal, including a DC and pulsating harmonic current output module and an external detected input module, where the DC and pulsating harmonic current output module outputs a DC and a DC superimposed pulsating harmonic current to an internal sampling circuit and a self-calibrated standard resistor array; and the internal sampling circuit converts the input DC and the input DC superimposed pulsating harmonic current into a voltage signal, and sends the voltage signal to an analog-to-digital (AD) sampling and measurement component through a front-end conditioning circuit and a detected input channel. The DC transformer error detection apparatus can complete self-calibration for measurement of the DC and the pulsating harmonic signal on a test site.

Abstract: Systems and apparatus for providing long-term cold storage of solid materials such as dry ice are disclosed. The solid materials are stored in a tank configured to maintain the materials in their solid state. The tank is designed with a port sufficiently large to facilitate ingress and egress of the solid materials. A cryogenic liquid is used within the tank to substantially prevent the solid materials from sticking to each other, and to maintain the solid materials at a low temperature.

Abstract: Provided are a cell strain for producing a biosimilar drug of Ustekinumab and a production method therefor. Specifically, provided is a Chinese hamster ovary cell S cell strain. The cell strain expresses a full human monoclonal antibody directed against the P40 subunit shared by human IL-12 and human IL-23. The fully human monoclonal antibody directed against the P40 subunit shared by human IL-12 and human IL-23 is a biosimilar drug of Ustekinumab, which not only exhibits high consistency with Ustekinumab in pre-clinical research, but also passes pharmacokinetic bioequivalence and safety similarity evaluation in clinical research. The biosimilar drug of Ustekinumab is the first one that has entered clinical trials in China, is the only one that has completed the I stage clinical trial, and is also one of the biosimilar drugs of Ustekinumab, which has the fastest progress in new drug application in the world.

Abstract: Disclosed are an arc discharge detection method and device for a battery system, and a battery energy storage system. The arc discharge detection method for a battery system comprises: sampling a terminal voltage and a charging and discharging current of a battery system, sampling the terminal voltage of the battery system twice and calculating a first voltage difference value, and sampling the terminal voltage of the battery system and a terminal voltage of an electricity load and calculating a second voltage difference value; performing time domain and frequency domain analysis on the sampled data to obtain corresponding time domain and frequency domain feature values; and on the basis of the time domain and frequency domain feature values and the first and second voltage difference values, determining whether arc discharge features are met, so as to determine whether an arc discharge fault occurs in the battery system.

Abstract: A display apparatus, a head-up display and a motor vehicle are provided. The display apparatus includes a projector device, a reflector structure and a light beam diffuser structure. Light emitted from the projector device passes through the light beam diffuser structure, is reflected by the reflector structure, and then reaches a first predetermined region; the light beam diffuser structure is configured to diffuse a light beam passing through the light beam diffuser structure; the reflector structure is configured to reflect the light emitted from the projector device and the light reflected by the plurality of sub-reflector structures reaches a second predetermined region within the first predetermined region if the light beam diffuser structure is removed from an optical path from the projector device to the first predetermined region, and an area of the second predetermined region is smaller than an area of the first predetermined region.

Abstract: Disclosed are a head-up display device and a motor vehicle. The head-up display device includes an image source, a transflective device and a light control device. The image source is configured to emit light for forming an image. The transflective device is configured to reflect light that is incident on the transflective device and allow the light that is incident on the transflective device to be transmitted. The light control device includes a retroreflection element and a dispersion element arranged above the retroreflection element; the retroreflection element is configured to reflect the light that is incident on the retroreflection element in a direction opposite the incident direction of the light that is incident on the retroreflection element; and the dispersion element is configured to diffuse the light that is incident on the dispersion element.

Abstract: A head-up display device includes a light source component, an image generating element and at least one sensor. The light source component includes at least one light source configured to emit light. The image generating element is configured to convert light emitted by the at least one light source into image light and output the same. The at least one sensor is located at a side of the image generating element close to the light source component. The sensor of the head-up display device has the potential to affect the image light. Also provided are a head-up display system including the head-up display device, and a transport device including the head-up display device or the head-up display system.

Abstract: The present invention discloses a brain machine interface decoding method based on spiking neural network, comprising: (1) constructing a liquid state machine model based on a spiking neural network, the liquid state machine model consists of an input layer, an middle layer and an output layer, wherein, a connection weight from the input layer to the middle layer is Whh, a loop connection weight inside the middle layer is Whh, a readout weight from the middle layer to the output layer is Wyh; (2) Inputting a neuron spike train signal, and training each weight with the following strategy: (2-1) Using STDP without supervision to train the connection weight Whh from the input layer to the middle layer; (2-2) Setting the loop connection weight Whh inside the middle layer by means of distance model and random connection, and obtaining a middle layer liquid information R(t); (2-3) Using ridge regression with supervision to train the readout weight Wyh from the middle layer to the output layer, and establishing a ma

Abstract: The present disclosure relates to systems and methods for determining abnormal information associated with a vehicle. The systems may perform the methods to obtain real-time information associated with a bicycle and obtain reference information associated with the bicycle. The systems may also perform the methods to determine, based on the real-time information and the reference information, abnormal information associated with the bicycle, and transmit the abnormal information associated with the bicycle.

Abstract: A cooling system and a wind-driven generator system. The cooling system comprising: a first cooling loop, a second cooling loop, a third cooling loop, a first heat exchanger and a second heat exchanger, wherein the first cooling loop comprises a first fluid pipeline and a first pump set; the second cooling loop comprises a second fluid pipeline and a second pump set, and the second fluid pipeline comprises a main path and a bypass; the third cooling loop comprises a third fluid pipeline and a third pump set, and the third fluid pipeline communicates with both the first heat exchanger and the second heat exchanger; the first heat exchanger is configured to thermally couple the first cooling medium, the second cooling medium and the third cooling medium to one another; the second heat exchanger is configured to thermally couple the second cooling medium to the third cooling medium.

Abstract: A computer-implemented method includes obtaining a plurality of textual records divided into clusters and a residual set of the textual records, where a machine learning (ML) clustering model has divided the plurality of textual records into the clusters based on a similarity metric. The method also includes receiving, from a client device, a particular textual record representing a query and determining, by way of the ML clustering model and based on the similarity metric, that the particular textual record does not fit into any of the clusters. The method additionally includes, in response to determining that the particular textual record does not fit into any of the clusters, adding the particular textual record to the residual set of the textual records. The method can additionally include identifying, by way of the ML clustering model, that the residual set of the textual records contains a further cluster.

Abstract: A system for use in imaging in the air, including: an image source, a transflective mirror and a retroreflective element. Light emitted by the image source is irradiated onto the retroreflective element after being reflected by the transflective mirror, the light is reflected on the retroreflective element and emerges in an opposite direction along an original incident path, and after being transmitted by the transflective mirror, then forms a real image. A selective transmissive film is provided on a side of the transflective mirror facing the image source, and a phase delay optical element is provided on a side of the retroreflective element facing the transflective mirror such that first linearly polarized light incident on the retroreflective element from the transflective mirror becomes circularly polarized light after passing through the phase delay optical element.

Abstract: A head up display system, a control method thereof and a vehicle are provided. The head up display system includes an imaging device group, a concave reflective element, a directional imaging device and a processor, the imaging device group includes at least one single-layer imaging device; the directional imaging device includes a light source device, a direction control element, a diffusing element and a light modulating layer; the processor is respectively connected with the directional imaging device and the at least one single-layer imaging device in the imaging device group.

Abstract: A modified film-forming resin containing an acid inhibitor is formed by polymerizing a film-forming resin monomer and an acid inhibitor monomer. The modified film-forming resin includes film-forming functional groups and acid inhibitor functional groups, so that the modified film-forming resin can be used as a matrix resin, and has an acid inhibition effect: wherein n in the general formula (I) is 5-200. A preparation method for the modified film-forming resin and a photoresist composition of the modified film-forming resin are also provided. When the modified film-forming resin is applied to the photoresist composition, components of the photoresist composition are uniformly dispersed, so that stable photolithography performance of a photoresist can be ensured, resolution and line width roughness of the photoresist are effectively ensured and improved, and film-forming ability is good, thereby effectively avoiding undesirable phenomena such as embrittlement and peeling of a photoresist film.

Abstract: The present disclosure relates to systems and methods for determining abnormal information associated with a vehicle. The systems may perform the methods to obtain real-time information associated with a bicycle and obtain reference information associated with the bicycle. The systems may also perform the methods to determine, based on the real-time information and the reference information, abnormal information associated with the bicycle, and transmit the abnormal information associated with the bicycle.

Abstract: Systems and apparatus for providing long-term cold storage of solid materials such as dry ice are disclosed. The solid materials are stored in a tank configured to maintain the materials in their solid state. The tank is designed with a port sufficiently large to facilitate ingress and egress of the solid materials. A cryogenic liquid is used within the tank to substantially prevent the solid materials from sticking to each other, and to maintain the solid materials at a low temperature.