Abstract: An optical system includes a cage and an optical transceiver. The optical transceiver is inserted into the cage in a pluggable manner, and includes a housing, a partition component provided on the housing, and a fastening component movably disposed on the housing. The fastening component is detachably fastened with the cage. The partition component is located between the fastening component and the cage to separate at least a part of the fastening component from the cage.

Abstract: A method for retrieving information about similar medical devices is provided, which includes the following steps: obtaining a first technical context of a specific medical device; utilizing a first machine-learning model to extract one or more technical items of the specific medical device based on technical content of the first technical context; utilizing the first machine-learning model to generate candidate medical devices using the technical items; searching a database for device information about the candidate medical devices; retrieving summary files of the candidate medical devices from the database based on the device information; utilizing the first machine-learning model to infer a second technical context of each candidate medical device; and determining a most similar medical device for the specific medical device according to a similarity score for each candidate medical device calculated from the second technical context and the first technical context using a second machine-learning model.

Abstract: Provided are a phospho-alumino-silicate inorganic polymer, and a preparation method and use thereof. The phospho-alumino-silicate inorganic polymer includes the following raw materials in parts by weight: 50 parts to 67 parts of a precursor raw material, 33 parts to 50 parts of an activator, and water; where the precursor raw material includes metakaolin and activated calcium oxide; the activated calcium oxide accounts for 3% to 15% of a weight of the precursor raw material; and the activator includes a phosphoric acid solution.

Abstract: A chip-level camera includes an image sensor; a concave L1 lens element on an inside surface of a first substrate; a convex L2 lens element on a first surface of a second substrate; a diaphragm stop on a second surface of the second substrate or on a first surface of a third substrate, the diaphragm stop between the second and third substrates; a convex L3 lens element on a second surface of the third substrate spaced from the image sensor; a first spacer holding first substrate at a predetermined distance from the second substrate; and a second spacer holding the second substrate a predetermined distance from the image sensor. In embodiments, lens element L1 has concave aspheric radius of R1, and lens L2 convex aspheric radius of R2, such that 1.3<ABS(R2/R1)<2.2 and/or lens L3 has convex aspheric radius R3, where 1.1<ABS(R3/R1)<2.4.

Abstract: Provided is a method and a medicament for treating amyotrophic lateral sclerosis (ALS) in a subject in need thereof, comprising administering to the subject an effective amount of one or more active agents selected from the group consisting of a retinoic acid receptor alpha (RAR?) agonist, a voltage-gated potassium channel (KCNB2) inhibitor, an adrenergic receptor ?2B (ADRA2B) antagonist, a DNA methyltransferase 3 alpha (DNMT3A) antagonist, an insulin like growth factor 1 receptor (IGF1R) inhibitor, a mitogen-activated protein kinase 1 (MAPK1) inhibitor, a nitric oxide synthase 1 (NOS1) inhibitor, a glucocorticoid receptors (NR3C1) antagonist, and a peptidylprolyl Isomerase A (PPIA) antagonist.

Abstract: A server may be provided to obtain a load balancing artificial intelligence (AI) model for a plurality of base stations in a communication system. The server may obtain teacher models based on traffic data sets collected from the base stations, respectively; perform a policy rehearsal process including obtaining student models based on knowledge distillation from the teacher models, obtaining an ensemble student model by ensembling the student models, and obtaining a policy model by interacting with the ensemble student mode; provide the policy model to each of the base stations for a policy evaluation of the policy model; and based on a training continue signal being received from at least one of the base stations as a result of the policy evaluation, update the ensemble student model and the policy model by performing the policy rehearsal process on the student models.

Abstract: An electromagnetic field detector including a vapor cell, an excitation system, and a frequency tuner is described. The vapor cell has a plurality of quantum particles therein. The excitation system excites the quantum particles to a first Rydberg state. The first Rydberg state has a transition to a second Rydberg state at a first frequency. The frequency tuner generates a tunable field in a portion of the vapor cell. The tunable field shifts the first Rydberg state and/or the second Rydberg state such that the transition to the second Rydberg state is at a second frequency different from the first frequency. The detection frequency range for the electromagnetic field detector is continuous and includes the first frequency and the second frequency.

Abstract: A server for predicting a future traffic load of a base station is provided. The server may obtain a first prediction model based on traffic data collected from the base station for a first period of time, obtain a second prediction model based on traffic data collected from the same base station for a second period time, and also based on knowledge transferred from the first prediction model. Each of the first prediction model and the second prediction model may include an encoder module, a reconstruction module, and a prediction module which are connected to form two paths, an encoder-reconstruction path and an encoder-prediction path, to preserve more information of historic traffic data.

Abstract: An automatic scanning system for tunnel walls constructed by open-type TBM, to realize the automatic, accurate, rapid and omnidirectional scanning of tunnel wall. The system comprises a three-dimensional laser scanner, a walking unit, a circumferential track, several connecting rods and a remote-control unit; wherein the three-dimensional laser scanner is fixed on the walking unit. The walking unit is provided on the circumferential track and configured to walk on the circumferential track at a set speed and a set number of walking cycles according to a control instruction. The circumferential track is fixed on the main beam of open-type TBM through the connecting rods and located between the roof bolter and cylinder of gripper shoe. The remote-control unit is configured to issue the control instruction and control the three-dimensional laser scanner to scan the tunnel wall and transmit the scanning data using set scanning parameters.

Abstract: A cylindrical battery includes a case with an opening defined in an end thereof, and a conductive adhesive, a roll core, a current collector, an insulating element, and a cap sequentially disposed inside the case from bottom to top; the insulating element is sleeved on the current collector; the current collector is of a multi-petal structure, and is provided with a positioning structure respectively connected to the roll core and the cap; after being limited, petal elements of the current collector are welded with the roll core; a conductive handle of the current collector is welded with the cap; a roll groove is defined on an outside of the case; the roll groove is positioned outside a current collector body; and a bottom of the roll core is fixedly connected to the case through the conductive adhesive.

Abstract: A cylindrical battery includes a case, and a conductive elastomer, a roll core, a current collector, an insulating element, a cap assembly, and a liquid injection sealing pin sequentially arranged inside the case from bottom to top; a lower portion of the roll core is fixedly connected to the case via the conductive elastomer, an upper portion of the roll core is welded with the current collector, an upper portion of the current collector passes through the insulating element and is welded with the cap assembly, the insulating element is configured to prevent the cap assembly and the roll core from being short-circuited, and an upper portion of the cap assembly is sealed via the liquid injection sealing pin; and a necking and a flange are defined on an outside of the case, a conductive adhesive layer is arranged on an outside of the flange.

Abstract: A method and apparatus are provided for effecting an RFID-based finger input sensing system using a transmission line connected to at least two RFID tags, by analyzing a plurality of features relating to the number of spikes in the derivatives of the RSS, timing of maximum RSS and the spikes of the RSS derivatives, relative RSS magnitude between the at least two RFID tags, and increase/decrease trend of the RSS, thereby eliminating the need for calibration and training.

Abstract: The present disclosure provides a filtration assembly and an atomizer. The filtration assembly is applied to the atomizer. The atomizer includes a housing having a gas outlet section and an atomization cavity in communication with the gas outlet section. The filtration assembly includes a filtration mesh and a flow guide rod. The filtration mesh is disposed at the gas outlet section and includes a first end away from the atomization cavity and a second end close to the atomization cavity. A shape and size of the first end match a shape and size of the gas outlet section to enable the gas outlet section to be covered. The size of the first end is greater than the size of the second end. The flow guide rod is connected to the second end and the atomization cavity.

Abstract: The present disclosure provides a probiotics of PTA22 from rabbits, a nutritional composition for preparing food of rabbits and a composition for rabbits to degrade oxalic acid. Through this disclosure, the health of rabbits can be ensured and the resistance to pathogenic bacteria can be improved after rabbits consume the food containing PTA22. As well, the probiotic PTA22 can help rabbits reduce the risk of hypercalciuria and calculus.

Abstract: An optical module includes a housing and a release mechanism. The housing includes an outer lateral surface. The release mechanism includes an arm and a releasing component. The arm is disposed on the outer lateral surface and movable relative to the housing. The releasing component is disposed on the outer lateral surface and includes a pivot, a releasing portion and a pressed portion. The pivot is between the releasing portion and the pressed portion. The pivot is disposed on the housing. The arm pushes the pressed portion to pivot the releasing component. At an idle state of the release mechanism, a movement of the housing is restricted by an interference between a flexible counterpart of a cage and the housing. At a releasing state of the release mechanism, the releasing portion deforms the flexible counterpart, thereby removing the interference between the flexible counterpart and the housing.

Abstract: A card connecting assembly mountable on a circuit board for insertion of an electronic card includes a card connector disposed on the circuit board, and an electronic card mounting structure having first and second guiderails for the electronic card to be slidably insertable thereinto, and a latch mechanism integrally formed and elastically connected with the first guiderail. The latch mechanism includes an operating portion and a latch portion. With the latch portion engaged in the notch when the electronic card is inserted into the card connector to prevent removal thereof. Through the operating portion operably and elastically displaced away from the first guiderail, the latch portion is disengageable from the notch, the electronic card is permitted to be removed from the card connector.

Abstract: An electric vehicle motor rotational speed value generating device comprises: a first counter counting an input frequency according to a system frequency and outputs a first bit numerical value; a second counter receiving the first bit numerical value, the second counter counts the first bit numerical value with an exponent n in a 2n exponential function that approximates a maximum rotational speed command value and outputs a second bit numerical value; a frequency divider receiving the second bit numerical value, and the frequency divider divides the second bit numerical value from the system frequency and outputs a counting frequency; and a third counter receiving the counting frequency, and the third counter is electrically connected to a maximum frequency generator and receives a maximum frequency generated by the maximum frequency generator, and the third counter counts the maximum frequency from the counting frequency and outputs a feedback rotational speed value.

Abstract: A method of predicting risk of an aggressive or a recurrent prostate cancer in an individual, the method comprising a step of assaying a biological sample from the individual for expression of at least two genes, or proteins encoded by said genes, selected from TTC21B, MCM3, MTUS1, FOXM1, CUL4A, GPC1, PCNA, IRF7, BRIP1, ULKI, and SPAG5, wherein when a combination of a normalised expression value of the at least two genes, or proteins encoded by said genes, is modified relative to a combination of a normalised expression reference value of the at least two genes, or proteins encoded by said, in a biological sample from a subject with non-aggressive or non-recurrent prostate cancer, the individual is predicted to have an increased risk of having an aggressive or a recurrent prostate cancer.

Abstract: A bit index explicit replication (BIER) operations, administration, and maintenance (OAM) detection method includes a bit forwarding ingress router (BFIR) obtaining a detection request packet based on a first BIER OAM packet, and sending the detection request packet to at least one bit forwarding egress router BFER. The detection request packet includes a first packet and a first packet header. The first packet is a packet obtained by encapsulating the first BIER OAM packet. The first packet header includes a bit string, and the bit string indicates the at least one bit forwarding egress router BFER that is to be measured.

Abstract: An electromagnetic field detector including a vapor cell, an excitation system, and a frequency tuner is described. The vapor cell has a plurality of quantum particles therein. The excitation system excites the quantum particles to a first Rydberg state. The first Rydberg state has a transition to a second Rydberg state at a first frequency. The frequency tuner generates a tunable field in a portion of the vapor cell. The tunable field shifts the first Rydberg state and/or the second Rydberg state such that the transition to the second Rydberg state is at a second frequency different from the first frequency. The detection frequency range for the electromagnetic field detector is continuous and includes the first frequency and the second frequency.