39results about How to "Lower the volume" patented technology

The present application provides a method for diagnosing and / or evaluating the presence or absence, severity or degree of the improvement of a retinal disease in a subject, which comprises determining and / or evaluating circulatory parameters, retinal function, retina morphology and / or visual relating quality of life (QOL).

The present invention relates to a shock absorber (100) comprising a cylinder (7), a piston rod (2) and a piston (6) attached to said piston rod (2). The piston (6) is arranged in said cylinder (7) and a damping chamber comprising a damping media is defined in the cylinder (7). The shock absorber (100) further comprises a gas spring in functional connection with the damping chamber and at least one characteristic of the gas spring is adjustable by a user-adjustable feature arranged within the piston rod, wherein said user adjustable feature affects the enclosing area of the damping chamber, thereby indirectly affecting the gas spring through the functional connection.

The present application provides a battery cell, a battery, and an electrical device. The battery cell includes a case, a first battery cell, and a second battery cell, the first battery cell being arranged inside the case, the first battery cell including a first main body part, a first electrode lead-out component extending from a first side of the first main body part, and a second electrode lead-out component extending from a second side of the first main body part, the first side and the second side being arranged oppositely, the second battery cell being arranged inside the case, the second battery cell including a second main body part, a third electrode lead-out component extending from a third side of the second main body part, and a fourth electrode lead-out component extending from a fourth side of the second main body part, and the third side and the fourth side being arranged oppositely; wherein the first battery cell and the second battery cell are arranged in a first direction, the first side and the third side are adjacent and arranged oppositely, and the first electrode lead-out component and the third electrode lead-out component are electrically connected. The present application helps reduce the volume of the battery cell by optimizing the arrangement of the internal structure of the case.

A valuable metal recovery method includes: screening a battery slag from lithium ion battery waste; adding an acid to the battery slag; adding a sulfur compound the leachate; filtering the first processed product to obtain a first processed filtrate; adding a sulfur compound to the first processed filtrate; filtering the second processed product to obtain a second processed filtrate; adding calcium hydroxide to the second processed filtrate; filtering the third processed product to obtain a third processed filtrate; adding sodium carbonate to the third processed filtrate; filtering the processed product; heating the fourth processed filtrate; blowing carbon dioxide or adding a carbonate; and filtering the processed product, wherein a pH of the second processed product is higher than a pH of the first processed product, and a pH of the third processed product is higher than the pH of the second processed product.

The application provides an example in the technical field of signal processing, and provides an audio device, an echo cancellation method and an apparatus. The audio device comprises a loudspeaker, a microphone, and a processor connected with the microphone and the loudspeaker respectively. The processor is configured to: acquire an audio signal frame received by the microphone; perform echo cancellation processing on the audio signal frame; if a nonlinear filter suppression coefficient used in the echo cancellation processing is less than a coefficient threshold value, and a current call state is detected as a double-talk state, then add 1 to a count value; if the count value is greater than or equal to a count threshold value, then reduce the volume of the loudspeaker; if the count value is less than the count threshold value, then perform the acquisition of the audio signal frame received by the microphone; if the nonlinear filter suppression coefficient is greater than or equal to the coefficient threshold value, or the current call state is detected as a non-double-talk state, then clear the count value, and perform the acquisition of the audio signal frame received by the microphone. The application can effectively eliminate echo.

The present invention discloses a belt-transmission angle attachment head, including a housing, a power mechanism, a transmission mechanism and a spindle; the power mechanism and transmission mechanism are arranged in the housing; the power mechanism includes a servo motor and a reducer, the servo motor is connected to the reducer, and an input shaft of the reducer is vertically arranged with respect to an output shaft of the reducer; the transmission mechanism includes a driving wheel, a transmission belt and a driven wheel, and the driving wheel is mounted on the output shaft of the reducer; a side of the spindle is mounted on the housing via a rotating shaft, an end of the rotating shaft away from the spindle is mounted with the driven wheel, the driving wheel and the driven wheel are connected via the transmission belt, and the spindle and the power mechanism are located on the same side of the transmission mechanism. The angle attachment head has advantages such as small size, simple structure and suitable for deep cavity machining.

An equalizer includes a graphic equalizer circuit, a first multiplication circuit, a second multiplication circuit, a summing circuit, and a gain control circuit. The graphic equalizer circuit processes a first input signal and outputs a first output signal and a second output signal. The first multiplication circuit multiplies the first output signal by one of an adjustable gain value and a fixed gain value to produce a first adjusted output signal. The second multiplication circuit multiplies the second output signal by the other of the adjustable gain value and the fixed gain value to produce a second adjusted output signal. The summing circuit combines the first adjusted output signal and the second adjusted output signal to produce an equalizer output signal. The gain control circuit dynamically adjusts the adjustable gain value based on the equalizer output signal.

The present invention is relative to a damper (5) adapted to regulate an air flow orifice (7) for passing of an air flow in a ventilation duct (2), wherein the damper (5) comprises a plate (11), a regulating device (12) and a mounting element (13), wherein the mounting element (13) is resilient and comprises a first and a second end (19, 20), the distance (L1, L2) between the first and the second end (19, 20) being arranged to change when the mounting element (13) bends resiliently, and wherein the first and a seconds end (19, 20) are adapted to cooperate with an inside of the ventilation duct (2) to removably mount the damper (5) in the ventilation duct (2), and a ventilation system (1) comprising such a damper (5).

The present invention relates to a foldable structure for an easy-to-carry electric scooter comprising: an operating handle including two grips; a handle post which is attached to a lower part of the operating handle and at the bottom of which a front wheel is drivably installed; and a footrest which is connected to the bottom of the handle post at the rear of the front wheel and has a rear wheel installed at the rear end thereof, wherein the handle post has a carrying handle for hand gripping when carrying the scooter, the carrying handle being retractably built in the handle post at one side thereof; wherein the carrying handle is positioned at the front-sided width-directional center of the upper post, in order to ensure that an imaginary line connecting a support point of the front wheel in contact with the ground and a gripping point of the carrying handle passes through the center of gravity of the electric scooter, in a state of pulling out and extending the upper post from the middle post when carrying the electric scooter, and thereby the electric scooter does not rotate and remains stable even when subjected to vibrations or impacts; wherein a groove is formed in the front-sided center of the upper post into which the carrying handle is received; wherein one end of the carrying handle is hinged inside the groove such that a gripping portion of the carrying handle can be rotated and extracted; and wherein the gripping portion can be formed to include a stepped portion on one side, which is catchable to facilitate extraction.

On the support portion 20 of the frame 2, a plurality of hexagonal recesses 20a and through holes 20b are formed, arranged so that their edges are adjacent to each other. This allows a portion of the vibration (sound) from when the drumhead 4 is struck to be released to the outside through the through holes 20b, thus suppressing the echo of the vibration within the frame 2. Furthermore, the rigidity of the support portion 20 (frame 2) can be effectively improved by the bottom wall 20c of the recesses 20a or the side wall 20d dividing the recesses 20a and the through holes 20b. Therefore, the rigidity of the frame 2 can be increased while reducing the volume when the drumhead 4 is struck.

A magnetic attraction incubation mechanism of an automatic molecular diagnostic instrument, comprising: a magnetic attraction assembly (2) used for magnetic attraction of a reaction chamber (6) containing a sample liquid and an incubation assembly (4) used for heating the reaction chamber (6), and further comprising: a driving device (5) for driving the incubation assembly (4) and the magnetic attraction assembly (2) to be alternately close to the reaction chamber (6), the magnetic attraction assembly (2) and the incubation assembly (4) being both connected to the driving device (5). Switching of an incubation operation and a magnetic attraction operation can be achieved, and an incubation part and a magnetic attraction part effectively work in conjunction with each other by means of a linkage mechanism, so that the overall structure is effectively simplified, the space is saved, and a detection speed of the sample liquid can further be increased.

The application discloses a near-isothermal compression device and a compression system using the same. The near-isothermal compression device comprises a compression cylinder, an air-water separator, and a water supplement tank. The compression cylinder is connected with a low-pressure gas storage tank through an air inlet. The air-water separator is connected with the compression cylinder through an air outlet of the compression cylinder, and is used for separating air and water of the compression cylinder. The air-water separator is connected with a high-pressure gas storage through an air outlet. The water supplement tank is connected with the air outlet of the compression cylinder, and is connected with the air-water separator through a water inlet. A radiator is connected with the water outlet of the compression cylinder and the water outlet of the water supplement tank through inlets, and is used for radiating water in the radiator. The near-isothermal compression device ensures that the last stage of the compression process is close to a near-isothermal process. The compression system has less heat surplus and total power consumption, and the compression power consumption is significantly reduced, so that the overall efficiency of the system is further improved.

The present application discloses an artificial intelligence (AI) task control method, a terminal, a base station, and a storage medium. The base station comprises: a first functional module configured to perform at least one of the following functions by interacting with the terminal: AI task control, AI task execution, network decision generation, and data management for the terminal.

A thermal insulation system for high-temperature industrial tanks and equipment, comprising a thermal insulation material (2), a covering system (3), and a support system. The covering system (3) includes covering sheets (5) attached only to the support system. Adjacent covering sheets (5) overlap longitudinally, creating overlapping sections (8) comprising an upper portion (9) of one adjacent covering sheet (5) and a lower portion (10) of the other adjacent covering sheet (5). At least one substantially omega-shaped longitudinal assembly fastener (11) is located at each overlapping section (8), on the inner sides of the covering sheets (5), which has a first end (12) attached to the upper portion (9).), a central part (13) separated from the cover sheets (5) and a second end (14) coming into contact with the lower part (10) of the covered part (8) and pressing on said lower part (10).

The present invention discloses a belt-transmission angle attachment head, including a housing, a power mechanism, a transmission mechanism and a spindle; the power mechanism and transmission mechanism are arranged in the housing; the power mechanism includes a servo motor and a reducer, the servo motor is connected to the reducer, and an input shaft of the reducer is vertically arranged with respect to an output shaft of the reducer; the transmission mechanism includes a driving wheel, a transmission belt and a driven wheel, and the driving wheel is mounted on the output shaft of the reducer; a side of the spindle is mounted on the housing via a rotating shaft, an end of the rotating shaft away from the spindle is mounted with the driven wheel, the driving wheel and the driven wheel are connected via the transmission belt, and the spindle and the power mechanism are located on the same side of the transmission mechanism. The angle attachment head has advantages such as small size, simple structure and suitable for deep cavity machining.

The utility model belongs to the technical field of pressure swing adsorption equipment, and aims to provide energy-saving pressure swing adsorption gas production equipment which comprises a gas supply unit, an adsorption unit and a gas storage unit which are sequentially connected, the gas supply unit comprises a process air buffer tank, and a clean compressed air inlet is formed in the front end of the process air buffer tank; the adsorption unit comprises a plurality of pressure swing adsorption gas making machines; the gas storage unit comprises a process pure gas buffer tank, the side face of the upper end of the process pure gas buffer tank is connected with the main gas outlet pipeline, the side face of the lower end of the process pure gas buffer tank is provided with a finished gas pipeline, and the tail end of the finished gas pipeline is provided with a finished gas outlet and an unqualified gas discharge outlet. The energy-saving pressure swing adsorption gas production equipment disclosed by the utility model has the characteristics of compact structure, obvious energy-saving effect, high utilization rate of clean compressed gas, low equipment cost, small occupied area and the like, and can be widely applied to the technical field of production of the pressure swing adsorption gas production equipment.

Proposed is a fuel cell stack including a plurality of fuel cell units having a truncated cone shape and connected in series with each other. The series connection of the fuel cell units is made such that a relatively small outer diameter portion of one of the fuel cell units is inserted into a relatively large outer diameter portion of another fuel cell unit adjacent to the former fuel cell unit.

A wiring harness module and a combined wiring harness, the wiring harness module including a conductor portion and an insulation portion enclosing the conductor portion. The conductor portion includes at least one conductor, each of which is connected to at least one input conductive connector and at least one output conductive connector. An electrical connection of the conductors of different wiring harness modules is realized by connecting the input conductive connector and the output conductive connector of the different wiring harness modules. The combined wiring harness is formed by splicing a plurality of wiring harness modules in accordance with a preset splicing manner, and the conductors of the plurality of wiring harness modules being electrically connected to each other via the input conductive connector and the output conductive connector. In the present disclosure, each wiring harness module is connected to at least two other wiring harness modules, and each conductor is electrically connected to at least two other conductors, so that a complex conductive circuit is combined.

The utility model discloses a copper shield and transformer structure for a transformer partial discharge test, which comprises a copper plate piece, the copper plate piece is integrally bent to form a cylindrical structure, and the cylindrical copper plate piece is provided with a first edge, a second edge, a third edge and a fourth edge. The first edge and the second edge are parallel to the axis of the cylindrical copper plate piece, the first edge and the second edge are not in contact, the third edge and the fourth edge are arc edges at the two ends of the cylindrical copper plate piece correspondingly, transition parts are arranged on the third edge and the fourth edge correspondingly, and the transition parts are arranged at the two ends of the cylindrical copper plate piece correspondingly. The copper plate piece and the transition part are wrapped with insulating layers. The shielding sleeve is sleeved between a low-voltage coil and a high-voltage coil of a transformer, so that shielding between the low-voltage coil and the high-voltage coil is realized, transmission of partial discharge interference signals on a low-voltage side to a high-voltage side is reduced, background partial discharge quantity is reduced, and test accuracy is improved.

A method for reducing the volume of a raw material liquid, the raw material liquid containing at least a valuable and a first solvent, wherein the raw material liquid further contains an accessory component other than the valuable and the first solvent, or contains a mixed solvent including the first solvent and a second solvent as a solvent, and the method for reducing the volume of the raw material liquid is performed by combining a first process in which the first solvent is removed from the raw material liquid and a second process in which the concentration of the second solvent or the accessory component is adjusted from the raw material liquid using a dialysis method with a dialysis membrane.

The disclosure provides a composition comprising CpG ODN and one or more other adjuvants that work together with the immunomodulatory CpG ODN, such as an aluminum adjuvant, wherein the CpG ODN comprises or consists of a nucleotide sequence selected from SEQ ID NOs: 1-4, wherein at least one nucleotide in the nucleotide sequence is a chemically modified nucleotide having a structure of formula (I): wherein, Y is S or O, R is H or a positively charged counterion, B is independently an unmodified or modified nucleobase, and Ri is H, F, Cl, OH, OMe, Me, O-ethyloxymethyl. Use of the composition, a pharmaceutical composition comprising the composition, a preparation method thereof, and use of the pharmaceutical composition are also disclosed.

The utility model relates to a white noise meter which comprises a shell, a main board is arranged in the shell, a human body induction device is arranged on the main board, a loudspeaker electrically connected with the main board is arranged in the shell, and a sound outlet hole is formed in the position, opposite to the loudspeaker, of the shell. A sound outlet hole is formed in the shell, two strip-shaped protruding blocks located on the two opposite sides of the sound outlet hole are arranged on the outer side face of the shell, a covering piece covering the sound outlet hole is arranged between the two strip-shaped protruding blocks in a sliding mode, and a driving mechanism driving the covering piece to be exposed out of the sound outlet hole or cover the sound outlet hole is arranged on the shell. The driving mechanism drives the covering piece to expose the sound outlet hole, sound of the loudspeaker is transmitted out of the sound outlet hole, the loudspeaker stops working and saves electricity after the human body induction device induces that a user leaves, and the driving mechanism drives the covering piece to cover the sound outlet hole, so that dust, hair or oil dirt and the like are prevented from blocking the sound outlet hole, and the interval time for cleaning the sound outlet hole is shortened.

This application provides a connection structure and an optical cable connection box. The connection structure includes a splicing region and a fiber management region that are disposed with a distance therebetween along a circumferential direction of the connection structure, where a fiber routing path passing through the connection structure in the splicing region and the connection structure in the fiber management region is further disposed in the connection structure, so that an optical fiber extends into the fiber management region for storage through the fiber routing path from the splicing region, and a redundant optical fiber can be transferred from the original splicing region to the fiber management region for storage. In this way, space of the connection structure can be effectively used, thereby reducing space occupied by the connection structure.

The secondary battery case accommodates an electrode assembly having a structure in which electrodes and separators are alternately arranged, the secondary battery case including a first cup having a recessed shape, a second cup having a recessed shape and provided on one side of the first cup, a first peripheral portion surrounding a perimeter of the first cup when the secondary battery case is unfolded, and a second peripheral portion surrounding a perimeter of the second cup when the secondary battery case is unfolded. The first peripheral portion includes a first cup-corresponding peripheral portion that corresponds to a width of the first cup, and the second peripheral portion includes a second cup-corresponding peripheral portion that corresponds to the second cup. When viewed in a cross-sectional view in which the width of the first cup is shown, the width of the first cup is greater than a width of the first cup-corresponding peripheral portion.

The present invention is relative to a damper (5) adapted to regulate an air flow orifice (7) for passing of an air flow in a ventilation duct (2), wherein the damper (5) comprises a plate (11), a regulating device (12) and a mounting element (13), wherein the mounting element (13) is resilient and comprises a first and a second end (19, 20), the distance (L1, L2) between the first and the second end (19, 20) being arranged to change when the mounting element (13) bends resiliently, and wherein the first and a seconds end (19, 20) are adapted to cooperate with an inside of the ventilation duct (2) to removably mount the damper (5) in the ventilation duct (2), and a ventilation system (1) comprising such a damper (5).

The present application provides an electrode plate and a battery, the electrode plate provided by the present application includes a current collector and an active material layer, the current collector includes a first segment, a first segment, and a first coating area, a second coating area and a slot area are distributed on at least one side of the first segment; the second coating area includes a transition area, and along a width direction of the current collector, the transition area is located between the slot area and an edge of the current collector; and the active material layer is attached to a surface of the current collector in the first coating area and the second coating area, and a thickness of the active material layer in the second coating area is less than a thickness of the active material layer in the first coating area. The present application is used for at least solving technical problems of easy breakage of an electrode plate.

A method of performing preventative maintenance on an auger in a tire filling mixing machine, by: (a) mixing a polyurethane isocyanate and a catalyst in a first mixer to form a virgin polyurethane; (b) grinding polyurethane core bits in a grinder, the grinder having an auger and a motor; (c) mixing the virgin polyurethane and the ground core bits in a second mixer thereby forming a mixed flatproofing material; (d) injecting the mixed flatproofing material into a tire; (e) measuring vibration of the auger; and (f) comparing the measured vibration of the auger to a predefined maximum vibration; and (g) removing the auger from the grinder if the measured vibration exceeds the pre-defined maximum vibration for a predefined period of time, or removing the auger from the grinder if the measured temperature of the auger exceeds the pre-defined maximum temperature for a predefined period of time.

The present invention is relative to a damper (5) adapted to regulate an air flow orifice (7) for passing of an air flow in a ventilation duct (2), wherein the damper (5) comprises a plate (11), a regulating device (12) and a mounting element (13), wherein the mounting element (13) is resilient and comprises a first and a second end (19, 20), the distance (L1, L2) between the first and the second end (19, 20) being arranged to change when the mounting element (13) bends resiliently, and wherein the first and a seconds end (19, 20) are adapted to cooperate with an inside of the ventilation duct (2) to removably mount the damper (5) in the ventilation duct (2), and a ventilation system (1) comprising such a damper (5).