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41results about How to "Avoid hearing damage" patented technology

Automatic volume adjustment device and method

The invention discloses an automatic volume adjustment method. The method comprises the following steps of: recording external sound by an input unit; converting the external sound into a digital signal; identifying whether the digital signal is ambient noise or user language; if the digital signal is the ambient noise, judging the intensity of the ambient noise; acquiring volume adjustment corresponding to the intensity of the ambient noise from a comparison table of noise intensity and volume adjustment, wherein the comparison table defines that the volume of received sound of the other party of a call is turned up along with the increase of the intensity of the ambient noise; and adjusting the volume of the received sound of the other party of the call according to the acquired volume and outputting the sound. The invention also provides an automatic volume adjustment device. By using the automatic volume adjustment device and the automatic volume adjustment method of the invention, a user can receive the audio frequency of the other party of the call without manually adjusting the volume.
Owner:HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1

Modular gun silencer

A modular silencer includes an outer tube and a plurality of chamber separators suspended through a tensile force within a bore of the outer tube and defining chambers between each pair of chamber separators in the silencer. An outer edge of the chamber separators is spaced apart from an inner surface of the tube to allow gas equalization between the chambers. A plurality of tube portions separate the chamber separators from each other and from the proximal and distal ends of the silencer assembly. The tube portions define a continuous center tube suspended in tension within the outer tube and through which the projectile travels. The tube portions have can have angled openings through which gas discharge exits into the chambers. Rotatable sleeves can be disposed over the tube portions to further disrupt gas flow and dissipate heat and sound. A carbon fiber sleeve can be disposed over the outer tube to inhibit burn injuries from contacting the silencer.
Owner:MAD MINUTE IP HOLDCO INC

Control method and apparatus for audio output

The invention discloses a control method and an apparatus for audio output, which belong to the field of signal processing. The method comprises: detecting whether a headphone is in the output state of audio; and if yes, identifying the present output environment of audio; adjusting the volume of the audio output according to the identified present output environment of audio, determining the output time of audio, and closing the audio output after the predetermined audio output time is achieved. The control apparatus comprises: a state detecting module, a control module, an environment identifying module, and a volume adjusting module. The invention adjusts the volume and determines the predetermined audio output time according to the identified present output environment of audio, and closes the audio output after the predetermined audio output time is achieved, thus the audio output can be effectively controlled, further the problem of hearing damage caused by long time receiving of audio output or high volume voice is solved.
Owner:HUAWEI DEVICE CO LTD

Drift fault recognition method of hot-rolling strip steel based on sound signals

The invention provides a drift fault recognition method of hot-rolling strip steel based on sound signals. The method comprises the following steps of: preprocessing a signal by combining the features of a hot-rolling production line and adopting a resampling and framing technology, carrying out feature extraction on the signal by adopting a Mel frequency cepstrum technology and carrying out feature selection and recognition by adopting a principal component analysis method and a multivariate statistic process T2 control diagram so as to realize the diagnosis of drift faults of the hot-rolling strip steel. The invention has the advantages that the drift phenomenon can be judged accurately and rapidly on line by utilizing an acoustic detection method, the roller replacement time can be reasonably arranged, the roller consumption can be effectively reduced, the production cost can be controlled, and the quality defect prevention capacity and the production operability of the product can be improved.
Owner:UNIV OF SCI & TECH BEIJING

Headset systems and methods

A digital audio player device can be attached, adhered, or otherwise embedded into or upon a removable oral appliance or other oral device to form an intraoral MP3 player. In another embodiment, the device provides an electronic and transducer device that can be attached, adhered, or otherwise embedded into or upon a removable oral appliance or other oral device to form a DAP. Such an oral appliance may be a custom-made device fabricated from a thermal forming process utilizing a replicate model of a dental structure obtained by conventional dental impression methods. The electronic and transducer assembly may receive incoming sounds either directly or through a receiver to process and amplify the signals and transmit the processed sounds via a vibrating transducer element coupled to a tooth or other bone structure, such as the maxillary, mandibular, or palatine bone structure.
Owner:SHENGTUO MEDICAL TECH (SHANGHAI) CO LTD

Modular gun silencer

A modular silencer includes an outer tube and a plurality of chamber separators suspended through a tensile force within a bore of the outer tube and defining chambers between each pair of chamber separators in the silencer. An outer edge of the chamber separators is spaced apart from an inner surface of the tube to allow gas equalization between the chambers. A plurality of tube portions separate the chamber separators from each other and from the proximal and distal ends of the silencer assembly. The tube portions define a continuous center tube suspended in tension within the outer tube and through which the projectile travels. The tube portions have can have angled openings through which gas discharge exits into the chambers. Rotatable sleeves can be disposed over the tube portions to further disrupt gas flow and dissipate heat and sound. A carbon fiber sleeve can be disposed over the outer tube to inhibit burn injuries from contacting the silencer.
Owner:MAD MINUTE IP HOLDCO INC

Hearing dose management

A hearing dose management device has an input, an output 6B for feeding an acoustic transducer, and an attenuating device configured to provide a controlled attenuation between the input and the output. The attenuation is dependent on past levels of the output so as to manage a hearing dose delivered by an acoustic transducer.
Owner:LIMITEAR

Magnetic resonance apparatus, and method and control device therefor

In a method to control a magnetic resonance apparatus, a control device, a magnetic resonance apparatus, and an electronically readable data storage medium, a reduction and / or limitation and / or monitoring of the noise volume of the magnetic resonance apparatus is enabled by a noise volume-reduced operating mode of the magnetic resonance apparatus being activated depending on at least one predeterminable event.
Owner:SIEMENS HEALTHCARE GMBH

Terminal volume adjustment processing method and terminal

The invention relates to a terminal volume adjustment processing method and a terminal. The method comprises the steps of receiving an audio playing request, wherein the audio playing request is used for making a request for playing a target audio; obtaining first volume and second volume according to the audio playing request, wherein the first volume is the current set volume of the terminal, and the second volume is the corresponding volume when the terminal plays the audio; and if the first volume is greater than the second volume, playing the target audio through utilization of the second volume, and linearly adjusting the playing volume of the target audio from the second volume to the first volume according to preset adjustment speed. According to the method, the playing volume of the target audio is transited smoothly, the discomfort or hearing damage resulting from emergent relatively high volume is prevented from being provided for a user, and the use experience of the user for the terminal is greatly improved.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Environment-friendly low-noise construction waste treatment equipment

The invention discloses environment-friendly low-noise construction waste treatment equipment, and relates to the technical field of construction waste treatment. The environment-friendly low-noise construction waste treatment equipment comprises a first machine body; a feeding port is formed in one side face of the first machine body; a feeding pipe communicates to one end of the feeding port; one end surface of the feeding pipe is fixedly connected with the first machine body; the top of the inner wall of the first machine body is fixedly connected with a first motor; a rotating shaft is fixedly connected to one end of an output shaft of the first motor; a plurality of crushing blades are fixedly connected to the circumferential side face of the rotating shaft; a plurality of anti-noisesprings are fixedly connected to the circumferential side face of the first machine body; the circumferential side face of the first machine body is fixedly connected with an anti-noise plate throughthe anti-noise springs; a plurality of crushing bars are fixedly connected to the surface, away from the first machine body, of the anti-noise plate; and a water pipe penetrates through one end face of the first machine body. By means of the environment-friendly low-noise construction waste treatment equipment, through the design of the anti-noise plate and the anti-noise springs, noise generatedby the treatment equipment during the treatment process can be effectively reduced, and hearing damage to construction and surrounding people is avoided.
Owner:芜湖青悠静谧环保科技有限公司

Pipe barrel and bottom valve assembling machine with video monitoring function

The invention relates to a pipe barrel and bottom valve assembling machine with a video monitoring function. The pipe barrel and bottom valve assembling machine with the video monitoring function comprises a machine frame, a bottom valve storage device arranged on the machine frame and used for storing and discharging a to-be-assembled bottom valve, a pipe barrel storage device used for storing and discharging a to-be-assembled pipe barrel, a pipe barrel conveying device connected with the pipe barrel storage device, an assembling center used for assembling the to-be-assembled bottom valve discharged by the bottom valve storage device and the to-be-assembled pipe barrel discharged by the pipe barrel conveying device and conducting a pressure maintaining test, and a finished product discharging station connected with the assembling center. The assembling center comprises a bottom valve installation assembly connected with the bottom valve storage device and an assembling assembly connected with the pipe barrel conveying device. The to-be-assembled bottom valve located on the bottom valve installation assembly and the to-be-assembled pipe barrel located on the assembling assembly areassembled together. The pipe barrel and bottom valve assembling machine with the video monitoring function is reasonable in design, compact in structure and convenient to use.
Owner:新海阀门有限公司

Nano-otologic protective equipment for impact noise toxicity and/or blast overpressure exposure

An apparatus for preventing hearing loss having a body made of a soft compliant material having first and second ends and a channel extending therethrough, an acoustically limp material adjacent one of the ends of the body with the acoustically limp material having a hole therein aligned with the channel extending through the body, and a component film, disc or other structure covering or sealing the opening in the acoustically limp material. The film or disc may be formed of a high-strength polymer material and may be less than 10 micrometers in thickness. Rather than having a single channel extending through the body, a plurality of channels may extend therethrough and a plurality of corresponding holes may be provided in the acoustically limp material. The film, disc or other structure covers or seals the plurality of holes in the acoustically limp material. The film, disc or other structure may be attached in such a fashion as to behave like a flap whose operation is to close in response to high energy sound waves. The flap is pressed shut from the high intensity shock wave itself. The body may cylindrical in shape or may have another shape to fit snugly in a human ear canal.
Owner:PRESIDENT & FELLOWS OF HARVARD COLLEGE

Prompting method, device, headset and computer-readable storage medium

The invention discloses a prompting method, which relates to the technical field of portable listening device, and is used for solving the problem that users can not be reminded to stop using headphones when necessary. The method comprises the following steps of: obtaining audio value of audio output from headphones and corresponding duration time; judging whether the prompting condition is satisfied or not according to the sound value and the duration;if the prompt condition is satisfied, performing prompt operation according to the preset rules; By acquiring the acoustic value and the corresponding duration, the method can judge whether the user overuses the ear or not, that is, whether the prompting condition is satisfied, so that the user can be reminded to stop using the earphone whennecessary, so as to avoid the ear hearing damage; The invention also discloses a prompting device, an earphone and a computer-readable storage medium, which have the beneficial effects.
Owner:GEER TECH CO LTD

Method for adaptively adjusting sound volume of player based on user distance

The invention discloses a method for adaptively adjusting sound volume of a player based on user distance. The method comprises the following steps of: firstly, establishing a volume level-distance interval corresponding relation table, and then calculating the distance between a mobile phone / intelligent wearable equipment and an intelligent sound box in real time by utilizing signal intensity during communication; secondly, recording initial volume set by the user at an initial position and initial distance between the user at the initial position and the intelligent sound box; and inputtingthe initial distance into the volume level-distance interval corresponding relation table to obtain a volume level corresponding to the initial position of the user. Through comparing the initial volume set by the user at the initial position with a corresponding volume level in the table, a correction coefficient is determined, and the volume level is amplified and corrected, so that the volume level-distance interval corresponding relation table is automatically adjusted according to the volume preference of the user, therefore, the volume of the intelligent sound box is adaptively adjustedaccording to the distance between the user and the intelligent sound box, and the user can hear the sound with the same volume within a certain range away from the intelligent sound box. The method issimple in operation, convenient to use, saves energy and is environmentally friendly.
Owner:宋彦震

Personal receiving set

The present invention relates to a personal receiving set, and more particularly, to a personal receiving set in which the exposure of the cord of the personal receiving set is minimized to prevent the face and both hands of a user from being caught in the cord and thus improve the convenience of use and user activity, and in which a speaker for delivering acoustic signals is spaced apart from the auditory organ of the user and supported such that the position of the speaker is variable to enable the user to listen to sound with his / her auditory organ opened. The personal receiving set of the present invention comprises a first unit located at the head of a user; and a second unit supported by the first unit to enable a speaker to be spaced apart from the auditory organ of the user. The thus-configured personal receiving set of the present invention is advantageous in that the cord of the personal receiving set may not catch the face or either hand of the user, thus enabling the user to move freely and ensuring increased and safer user activity. Whereby, the present invention improves the convenience of use and safety, and ensures an increase in user activity when users use the receiving set of the present invention during hobby activities or outdoor activities.
Owner:金秉和

Sparking plug paper sleeve forming machine provided with elastic glue injection box bottom plate and video monitoring camera

The invention discloses a sparking plug paper sleeve forming machine provided with an elastic glue injection box bottom plate and a video monitoring camera. The sparking plug paper sleeve forming machine comprises a machine frame, a feeding mechanism, an edge gluing mechanism, a rounding and edge drying mechanism and the video monitoring camera. The feeding mechanism comprises a feeding rail plate and a feeding rail plate sliding driving air cylinder. The edge gluing mechanism is arranged on a gluing base plate above the feeding rail plate. The rounding and edge drying mechanism comprises a support plate, a rounding core mold, a rounding positioning pressing plate, an edge clamping top plate and two rounding force applying assemblies arranged on the left side and the right side of a rounding mold. A feeding hole is formed in the support plate and connected with the discharging end of the feeding mechanism. A hot air cavity is formed in the edge clamping top plate. A plurality of hot air holes communicated with the hot air cavity are formed in a top plate body of the edge clamping top plate. The support plate is further provided with an air heater connected with a pipeline of the hot air cavity. The sparking plug paper sleeve forming machine has the advantages of being reasonable in structural design, high in machining efficiency, and good in product forming consistency.
Owner:株洲纽拜特汽车零部件有限公司

Dust-proof low-noise punching device for building engineering

The invention discloses a dust-proof low-noise perforating device for building engineering, which relates to the technical field of building perforating. The invention comprises a rack; A push-pull handle is fixedly connected on both back sides of the frame; At one end face of that frame, a plurality of elastic position blocks are fixedly connecte; A punch is twisted on two opposite surfaces of the machine frame; The puncher comprises a limiting block; At one end face of that limit block, a plurality of hydraulic rods are fixedly connecte; A fixed block is fixedly connected with one end of a plurality of hydraulic rods away from the limit block; One end face of the fixing block is fixedly connected with a motor; A sound insulation block is fixedly connected with the peripheral side of themotor; A dust-proof part is fixedly connected at one end of the fixing block away from the motor; At one end face of that limit block, a plurality of sliders are fixedly connecte through a shock absorbing spring. Through the design of the dust-proof part, on the one hand, the device can effectively prevent dust from escaping in the drilling process, on the other hand, the dust-proof part can alsobe used as a protection mechanism to prevent substances such as stones from splashing in the crushing process.
Owner:芜湖青悠静谧环保科技有限公司

Tubular corrugated paper sleeve forming machine with elastic glue injection box bottom plate and monitoring camera

The invention discloses a tubular corrugated paper sleeve forming machine with an elastic glue injection box bottom plate and a monitoring camera. The tubular corrugated paper sleeve forming machine comprises a machine frame, a hole forming mechanism, a cutting mechanism, a feed mechanism, an edge glue-coating mechanism, a rounding and edge drying mechanism and the monitoring camera. The feed mechanism comprises a feed rail plate and a feed rail plate sliding driving air cylinder. The edge glue-coating mechanism is arranged on a glue-coating base plate above the feed rail plate. The rounding and edge drying mechanism comprises a support plate, a rounding core mold, a rounding locating pressing plate, a side-clamping top plate and two rounding force application assemblies arranged on the left side and the right side of a rounding mold. The support plate is provided with a feed hole, and the feed hole is connected to the discharge end of the feed mechanism. A hot air cavity is formed in the side-clamping top plate, a plurality of hot air holes communicated with the hot air cavity are formed in a top plate body of the side-clamping top plate, and the support plate is further provided with an air heater connected to the hot air cavity through a pipeline. The tubular corrugated paper sleeve forming machine has the advantages that the structural design is reasonable, the machining efficiency is high, and the forming uniformity of products is good.
Owner:平湖市涛强机械有限公司

Audio signal linear processing method for remote control of working machine

The invention discloses an audio signal linear processing method for remote control of a working machine, comprising the following steps of: firstly, acquiring an audio signal of a working site of theworking machine through a sound sensor, transmitting the audio signal to a remote cab, and playing the audio signal to a driver in the remote cab after the audio signal is processed. The processing mode of the sound signal is as follows: setting the loudness of the audio signal as L, presetting a loudness gain constant C, and multiplying the loudness L by the loudness gain constant C; furthermore, the loudness gain constant C can be adjusted within a certain range, the adjusting range of the loudness gain constant C is C1-C2, wherein C1 is larger than or equal to 1 and smaller than C2 or C2 is larger than C1 and smaller than or equal to 1, and C1 and C2 are both preset. By applying the method, interference with a driver can be reduced, the working efficiency is improved, and meanwhile hearing damage to the driver can be avoided.
Owner:义乌市深研智能科技有限公司

Application of PRMT5 inhibitor in preparation of hearing protection drugs

The invention belongs to the field of biological medicine, discloses application of PRMT5 as a drug target in hearing protection, and particularly discloses application of a PRMT5 inhibitor in preparation of drugs for preventing and / or treating hearing injury. As a hearing protection component, the PRMT5 inhibitor can effectively prevent hearing injury or effectively treat hearing injury. The invention also discloses a drug or kit containing the PRMT5 inhibitor for hearing protection. The invention provides a new idea for prevention and treatment of hearing injury, thereby having a broad clinical application prospect.
Owner:EYE & ENT HOSPITAL SHANGHAI MEDICAL SCHOOL FUDAN UNIV

Tubular Corrugated Sleeve Forming Machine With Video Surveillance Camera

The invention discloses a tubular corrugated paper sleeve forming machine provided with a video monitoring camera. The tubular corrugated paper sleeve forming machine comprises a machine frame, a punching mechanism, a cutting mechanism, a feeding mechanism, an edge gluing mechanism, a rounding and edge drying mechanism and the video monitoring camera. The feeding mechanism comprises a feeding rail plate and a feeding rail plate sliding driving air cylinder. The edge gluing mechanism is arranged on a gluing base plate above the feeding rail plate. The rounding and edge drying mechanism comprises a support plate, a rounding core mold, a rounding positioning pressing plate, an edge clamping top plate and two rounding force applying assemblies arranged on the left side and the right side of a rounding mold. A feeding hole is formed in the support plate and connected with the discharging end of the feeding mechanism. A hot air cavity is formed in the edge clamping top plate. A plurality of hot air holes communicated with the hot air cavity are formed in a top plate body of the edge clamping top plate. The support plate is further provided with an air heater connected with a pipeline of the hot air cavity. The tubular corrugated paper sleeve forming machine has the advantages of being reasonable in structural design, high in machining efficiency, and good in product forming consistency.
Owner:泰州市茂华纸品有限公司

Spark plug sleeve forming machine with elastic injection box base plate and video surveillance camera

The invention discloses a sparking plug paper sleeve forming machine provided with an elastic glue injection box bottom plate and a video monitoring camera. The sparking plug paper sleeve forming machine comprises a machine frame, a feeding mechanism, an edge gluing mechanism, a rounding and edge drying mechanism and the video monitoring camera. The feeding mechanism comprises a feeding rail plate and a feeding rail plate sliding driving air cylinder. The edge gluing mechanism is arranged on a gluing base plate above the feeding rail plate. The rounding and edge drying mechanism comprises a support plate, a rounding core mold, a rounding positioning pressing plate, an edge clamping top plate and two rounding force applying assemblies arranged on the left side and the right side of a rounding mold. A feeding hole is formed in the support plate and connected with the discharging end of the feeding mechanism. A hot air cavity is formed in the edge clamping top plate. A plurality of hot air holes communicated with the hot air cavity are formed in a top plate body of the edge clamping top plate. The support plate is further provided with an air heater connected with a pipeline of the hot air cavity. The sparking plug paper sleeve forming machine has the advantages of being reasonable in structural design, high in machining efficiency, and good in product forming consistency.
Owner:株洲纽拜特汽车零部件有限公司

Audio signal processing method for remote control of working machine

The invention discloses an audio signal processing method for remote control of an operating machine, which comprises the following steps: firstly, acquiring an audio signal of a working site of the operating machine through a sound sensor, transmitting the audio signal to a remote cab, processing the sound signal, and playing the processed sound signal to a driver in the remote cab, wherein the processing mode of the sound signal is as follows: the loudness of the audio signal is set as L, a loudness gain constant CH and a loudness threshold LH are preset, and when the loudness L of the soundis greater than LH, the loudness L is multiplied by the loudness gain constant CH; furthermore, the loudness threshold value LH is equal to (e1 + e2) * AGE, e1 is the environment coefficient of the working site and comprises the number information of the mechanical devices working at the same time in the working site, e2 is the weather condition and comprises the wind speed and precipitation information of the current working site, and AGE is the age of a driver; by means of the method, interference to a driver can be reduced, the working efficiency is improved, and meanwhile hearing damage to the driver can be avoided.
Owner:义乌市深研智能科技有限公司

Intelligent music playing device based on sensor

The invention provides an intelligent music playing device based on a sensor, which comprises a sound box and a playing device, the sound box and the playing device are connected through an electric wire, the front wall of the sound box is slidably connected with a first clamping piece and a second clamping piece, and the front wall of the sound box is also fixedly connected with a supporting plate; the playing device comprises a box body, a player and a clamping mechanism, a music playing cavity communicated with the outside of the box body is formed in the side wall of the box body, a first motor and a sound sensor are embedded in the top of the music playing cavity, the player is fixedly connected to the lower end of a first power output shaft on the first motor, a sound insulation layer is arranged on the side wall of the music playing cavity, and the clamping mechanism is arranged at the bottom of the box body. The volume can be prevented from being too large suddenly, and the mobile phone can be supported and stably fixed at different places of a desktop.
Owner:CHUWI INNOVATION & TECH (SHENZHEN) CO LTD

Pde inhibitors for the treatment of hearing impairment

InactiveCN101711153APrevent hearing lossReduction in hearing lossCompound screeningSenses disorderPDE InhibitorHearing Impaired Persons
The invention provides pharmacological compositions comprising PDE-5 inhibitors for the treatment of hearing impairment i.e. hearing loss and tinnitus. The invention also provides methods of screening for such PDE-5 inhibitors for use in the preparation of medicaments for the treatment of hearing impairment i.e. hearing loss and tinnitus.
Owner:BAYER SCHERING PHARMA AG

Sparking plug paper sleeve forming machine with video monitoring camera

The invention discloses a sparking plug paper sleeve forming machine with a video monitoring camera. The sparking plug paper sleeve forming machine with the video monitoring camera comprises a machine frame, a feeding mechanism, an edge gluing mechanism, a rounding and side baking mechanism and the video monitoring camera. The feeding mechanism comprises a feeding rail plate and a feeding rail plate sliding driving air cylinder. The edge gluing mechanism is arranged on a gluing substrate above the feeding rail plate. The rounding and side baking mechanism comprises a support plate, a rounding core mould, a rounding positioning pressure plate, a side clamping top plate and two rounding force applying assemblies arranged on the left side and the right side of the rounding mould. A feeding hole is formed in the support plate and connected to the discharging end of the feeding mechanism. A hot wind cavity is formed inside the side clamping top plate. Multiple hot wind holes communicated with the hot wind cavity are formed in a top plate body of the side clamping top plate. The support plate is further provided with a hot-wind blower connected with a hot wind cavity pipeline. The sparking plug paper sleeve forming machine with the video monitoring camera has the advantages of being reasonable in structural design, high in machining efficiency and good in product forming consistency.
Owner:TIANJIN JINHANG COMP TECH RES INST

Sparking plug paper cover forming machine with elastic glue injection box bottom plate

The invention discloses a sparking plug paper cover forming machine with an elastic glue injection box bottom plate. The sparking plug paper cover forming machine comprises a rack, a cutting mechanism, a feeding mechanism, an edge gluing mechanism, a circle embracing edge drying mechanism and a video monitoring camera. The feeding mechanism comprises a feeding track plate and a feeding track plate sliding drive air cylinder. The edge gluing mechanism is arranged on a gluing base plate above the feeding track plate. The circle embracing edge drying mechanism comprises a support plate, a circle embracing core die, a circle embracing positioning pressing plate, an edge clamping top plate and two circle embracing force application assemblies, and the circle embracing force application assemblies are arranged on the left side and the right side of the circle embracing die; and the support plate is provided with a feeding hole, the feeding hole is connected to the discharging end of the feeding mechanism, a hot air cavity is formed in the edge clamping top plate, a plurality of hot air holes communicated with the hot air cavity are formed in a top plate part of the edge clamping top plate, and the support plate is further provided with a hot air blower in pipeline connection with the hot air cavity. The sparking plug paper cover forming machine has the advantages that the structural design is reasonable, the machining efficiency is high, and the product forming consistency is good.
Owner:平湖市涛强机械有限公司

Novel pressure water tank sledge

The invention provides a novel pressure water tank sledge. Automatic control is achieved through a PLC control system, the problems that a safety valve is turned on frequently, and water is supplemented frequently are solved effectively, the electrical energy problem is solved, and the working efficiency is improved. The novel pressure water tank sledge comprises a pressure water tank body, a water inlet end is arranged on the body, an initial water adding and draining opening is correspondingly formed in the upper portion of the body, a steady pressure air exhausting pipeline is connected tothe upper portion of the body through an end opening, and an exhausting pipeline is arranged on the upper portion of the body and connected with a safety valve in series; a draining pipeline is connected to the body and used for draining water; a centrifugal pump connecting pipeline is arranged on the body and used for being connected with a centrifugal pump.
Owner:TIANJIN HELI OIL & GAS TECH

Audio recommendation method, terminal and computer readable storage medium

The invention discloses an audio recommendation method, a terminal and a computer readable storage medium, and the method comprises the steps: obtaining a sound energy parameter of a historical playing audio of the terminal, and judging whether the sound energy of the historical playing audio is higher than a preset sound energy level or not according to the sound energy parameter of the historical playing audio. And if yes, the terminal determines a candidate sound energy parameter according to the sound energy parameter of the historical playing audio, and then determines a target audio andperforms audio recommendation. The sound energy of the candidate recommended audio corresponding to the candidate sound energy parameter is lower than the preset sound energy level; therefore, when the terminal determines that the sound energy level of the historical playing audio exceeds the preset sound energy level; some audios with low sound energy can be recommended to the user; the embodiment of the invention also provides a terminal and a computer readable storage medium, the terminal considers the influence of the audio energy on the hearing of the user while carrying out audio recommendation, the hearing of the user is protected, and the user experience is improved.
Owner:NUBIA TECHNOLOGY CO LTD
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