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46results about How to "Simplified and convenient operation" patented technology
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Geometric Correction Method in Multi-Projection System
InactiveUS20080136976A1Simply and accurately carriedSimplified and convenient operationTelevision system scanning detailsPulse generatorImage correctionProjection system
A geometrical correcting method allowing geometrical correction to be performed simply, accurately and in short a time, even in a multi-projection system including a screen of complex shape and projectors complexly arranged, for significantly improving the maintenance efficiency. Test pattern images having feature points are projected by respective projectors, and captured and displayed on a monitor, approximate positions of the feature points are designated and input while referring to the displayed test pattern captured image, and the accurate positions of the feature points in the test pattern images are detected according to the approximate position information. An image correction data for aligning the images projected by the projectors is calculated from the detected positions based on the feature points, the coordinate information of the feature points in a predetermined test pattern image, and the coordinate position relationship between a separately predetermined contents image and the test pattern captured image.
Owner:OLYMPUS CORP
Disposable syringe with built-in carpule
InactiveUS20070276338A1Conveniently rendered unreusablePromote sportsAmpoule syringesIntravenous devicesBiomedical engineeringPlunger
A disposable syringe includes a barrel, a seat member held by a grip member in the barrel such that a needle cannula extends through the seat member, a carpule configured to be fitted in a rear compartment of the barrel, and having front and rear seal members to confine a sealed chamber communicated with the needle cannula for holding liquid medicament, and a plunger operable to move the rear seal member forwardly to expel the liquid medicament through the needle cannula so as to bring the carpule in a used-up position, and to further move the front seal member from the used-up position so as to remove the grip member from the seat member to thereby bring the seat member to the disengaging position. A biasing member is disposed to bias the seat member together with the carpule rearwardly so as to retract the used needle cannula into the barrel.
Owner:SHUE MING JENG +2
Method and apparatus for completing user adding
The invention discloses a method of adding a user to a signing user group, belonging to the field of mobile communication technology. When the user is added to certain CSG, the network judges that UE is not accessible, sends down identification of UE in the CSG district, CSG information is acquired automatically when UE comes near or entering the CSG district, and normally resides in the CSG district, thereby initiating the service; or TA updating is initiated by UE directly and the network side stores the relative information, and pages UE after the user is added, thereby completing the adding process. According to the invention, UE identification of the user is added in the sending information of the CSG district, UE receives the sending information, initiates TA updating to complete the adding process, the user which is added to the CSG does not judge whether UE is accessible by manpower or whether UE resides in the CSG district, also does not affirm by manpower whether adding is successful, finally a method which adds the user to the signing user group automatically is realized, thereby simplifying user operation.
Owner:HUAWEI TECH CO LTD
Body fat scale and body fat testing method of body fat scale
InactiveCN105708459ASimplified and convenient operationSmart Control OnDiagnostic recording/measuringSensorsBody Weight TestComputer module
The invention discloses a body fat scale and a body fat testing method of the body fat scale. The body fat scale comprises a wireless communication module, a body weight testing module, a body fat testing module and a control module, wherein the wireless communication module is in communication with a mobile terminal of a user for obtaining attribute information of the user and selection information for determining that whether body fat testing is to be carried out or not, and the attribute information comprises the identity information of the user; the body weight testing module is used for detecting the body weight of the user on the body fat scale; the body fat testing module is used for testing the body fat of the user on the body fat scale; the control module is connected with the wireless communication module, the body weight testing module and the body fat testing module respectively, determines the identity of the user according to the body weight of the user, and opens or closes the body fat testing module according to the identity of the user and the corresponding selection information, therefore, the body fat testing function can be intelligently controlled to be started and stopped, further, the worries of special users are eliminated, and the operation of the users is simplified and facilitated.
Owner:MIDEA GRP CO LTD
Mac OS system equipment and network connection configuration method thereof
ActiveCN101801104AGuaranteed reliabilityImprove experienceConnection managementNetwork data managementMac OSWireless data
The invention discloses Mac OS system equipment and a network connection configuration method thereof. The method comprises the following steps of: acquiring a network service interface mapped onto the Mac OS system equipment by a wireless data terminal when the wireless data terminal is inserted; setting the network service interface corresponding to the wireless data terminal as a current network service interface in a network service list; and deleting the network service interface corresponding to the wireless data terminal when the wireless data terminal is plugged out and restoring the order of the network service list on the Mac OS system equipment as the order before the insertion. The equipment and the method have the advantages of automatically configuring the network service interface of the wireless data terminal according to the equipment state of the wireless data terminal, simplifying and bringing convenience to user operation as much as possible, achieving good user experience, simultaneously accurately acquiring correct interfaces, preventing the interfaces from being confused and ensuring network connection reliability.
Owner:ZTE CORP
Smart device control method and device, and server
ActiveCN106302042AEasy to controlEasy to operateData switching by path configurationComputer networkSmart device
The present invention discloses a smart device control method and device, and a server. The method comprises: receiving a control request carrying the identification of a smart device and user account information; determining whether the user account has one of the accounts for controlling the authority of the smart device or not; and when determining that the user account has one of the accounts for controlling the authority of the smart device, sending a control instruction to the smart device based on the control request. According to the embodiment of the invention, the smart device control method and device, and the server are provided with accounts with a plurality of control authorities so as to facilitate controlling the smart device by users; and moreover, compared to the control of a smart device which is only provided with one user account in the prior art, the smart device control method and device, and the server avoids the trouble that the replacing of the control account needs to unbind the old account and bind a new account so as to facilitate and simply the user operation and optimize the user experience.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD
Method for turning on television and television
InactiveCN101631216ASimplified operation of the TVMeet user needsTelevision system detailsColor television detailsTechnology of televisionEngineering
The invention is applicable for the technical field of televisions, and provides a method for turning on a television and the television. The television comprises a master system and a power module, and also comprises a detection circuit and a standby management microcontroller, wherein the detection circuit is used for detecting a signal input status of a signal source input port of the television in real time when the television is in a standby mode, and transmitting a detection result to the standby management microcontroller; and the standby management microcontroller is used for controlling the power module, and controlling the power module to execute a power-on operation when the detection circuit detects that a signal is input at the signal source input port. The technical scheme brings convenience and simplicity to a user to operate the television and meets the requirements of the user.
Owner:SHENZHEN TCL NEW-TECH CO LTD
Screen unlocking method, device and terminal
InactiveCN105426741ALess power consumptionSimplified and convenient operationInternal/peripheral component protectionPower supply for data processingElectricityEmbedded system
The invention discloses a screen unlocking method, device and terminal. The method comprises the steps of obtaining a sliding track of a user on a screen when setting operation of the user conducted on the screen is detected; determining similarity between the sliding track and a preset unlocking pattern; when similarity between the sliding track and the preset unlocking pattern is greater than or equal to a set threshold value, implementing unlocking operation on the screen, and illuminating the screen. By means of the screen unlocking method, device and terminal, the user does not need to click a power supply key, the whole screen is not needed to be illuminated, the screen can be unlocked by drawing an unlocking pattern of any size at any position of the screen, user operation is simplified and facilitated, electricity consumption of the screen is saved, and user experience is optimized.
Owner:XIAOMI INC
Storage agent, calibrator for detecting LH and detection kit
PendingCN110988367ASimplified and convenient operationExtended shelf lifeMaterial analysis by observing effect on chemical indicatorBiological testingAntigenPhysical medicine and rehabilitation
The invention discloses a storage agent, a calibrator for detecting LH and a detection kit. The storage agent is used for stably storing antigens, and comprises 10-50 mmol / L of a buffer solution witha pH value of 5.5-8, 0.5-3 g / L of 8-aniline-1-naphthalene sulfonic acid and / or a salt thereof, 5-70 g / L of a protective agent, and 0.05-1 mL / L of a surfactant. The storage agent provided by the invention can stably store a plurality of antigens, shows excellent signal retention rate in an accelerated stability test, solves the problem that LH cannot be stored in a solution form for a long time, and avoids the problem of tedious detection steps caused by providing a calibration product in a freeze-drying form.
Owner:SICHUAN MACCURA BIOTECH CO LTD
Ultrasonic imaging method and device, and storage medium
ActiveCN109567860AImprove accuracySimplified and convenient operationInfrasonic diagnosticsUltrasonic/sonic/infrasonic dianostic techniquesUltrasound imagingSection plane
The invention relates to an ultrasonic imaging method and device, and a storage medium. The ultrasonic imaging method includes the steps that check parameters corresponding to a default check mode areadopted to perform the ultrasonic imaging process, a trigger instruction of a first section plane scanning check protocol is received, the first section plane scanning check protocol comprises one ormore pieces of section plane identification, the section plane scanning check process is started according to the first section plane scanning check protocol, and the section plane scanning check process comprises the steps that first target section plane identification is determined from the one or more pieces of section plane identification, according to the corresponding relationship between preset section plane identification and a check mode, a first check mode corresponding to the first target section plane identification is determined, and the ultrasonic imaging process is performed according to check parameters corresponding to the first check mode. By adopting the ultrasonic imaging method, the check efficiency can be improved, and the accuracy of checking images and check results is improved.
Owner:SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD +1
Electrical connector for inflatable high voltage electrical appliance
ActiveCN102170064AEasy and labor-saving plugging operationStrong combinationSecuring/insulating coupling contact membersCoupling contact membersElectricityElectrical connection
The invention discloses an electrical connector for an inflatable high voltage electrical appliance. The electrical connector comprises a base plate with mounting holes and wiring terminals arranged on the base plate. A plurality of through holes are formed on the base plate, and each wiring terminal is positioned in the centers of corresponding through holes. An insulating material is filled between the outer walls of each wiring terminal and the inner walls of the corresponding through holes to form annular insulators. The two ends of each wiring terminal are extended out of the annular insulators as splicing pins. The electrical connector has the advantage that: electrical connection operations are simple, convenient and labor-saving.
Owner:STATE GRID CORP OF CHINA +3
Process for directly synthesizing caprolactam from cyclohexanone and hydroxylamine
InactiveCN102001999AAvoid duplicate settingsEasy to operateLactams preparationPhosphoric acidHydroxylamine Hydrochloride
The invention discloses a process for directly synthesizing caprolactam from cyclohexanone and hydroxylamine, comprising the following steps of: mixing sodium hydroxide, sodium nitrate, phosphoric acid and water to obtain a phosphoric acid buffer solution in a reactor; adding hydroxylamine sulfate and cyclohexanone in the ratio of 1:2 into the buffer solution, wherein the addition amount is that the volume ratio of 85 percent of phosphoric acid to the cyclohexanone is 2.63:1.26; reacting under normal pressure for 5-30min at 30-50 DEG C; and after the reaction time reaches, directly adding ion liquid of N,N,N-trimethyl-N-sulfonate butyl-ammonium bisulfate in a reaction mixture and reacting for 10-30min to obtain a product of the caprolactam, wherein the mole ratio of the N,N,N-trimethyl-N-sulfonate butyl-ammonium bisulfate to the cyclohexanone is 1:3-5. In the process for directly synthesizing the caprolactam from the cyclohexanone and the hydroxylamine in a phosphoric acid buffer solution system, the highest selectivity of the caprolactam can reach 92.1 percent.
Owner:HEBEI UNIV OF TECH
Blanking device for bagging powder
ActiveCN103318435AReduce churnReduce pollutionSolid materialMechanical engineeringTelescopic cylinder
The invention discloses a blanking device for bagging powder. The blanking device for bagging the powder comprises a blanking pipe barrel (1) and a bag clamping device (2). The bag clamping device comprises a guide frame barrel (21) and bag clamping pressing blocks (22); a though hole matched with the blanking pipe barrel (1) is formed in the top of the guide frame barrel (21); the guide frame barrel (21) is connected with a blanking frame (10) through a lifting cylinder (201); the front lateral wall and the rear lateral wall of the guide frame barrel (21) are respectively provided with one bag clamping pressing block (22); the bag clamping pressing blocks (22) on the front lateral wall and the real lateral wall are connected through a telescopic cylinder (202); the lifting cylinder (201) is connected with a lifting control device (23); the telescopic cylinder (202) is connected with an expansion and contraction control device (24). Due to the adoption of the bag clamping device, the powder is more easily and fast bagged, and a large amount of dust will not be generated, the loss of the powder and environmental pollution are reduced because the powder directly drops in a bag from the blanking pipe barrel.
Owner:HUNAN LOUDI HUAXING ANTIMONY IND
Blight hemagglutinin detecting analysis system
InactiveCN101510235AEasy to traceImprove management abilityBiological testingSpecial data processing applicationsHemagglutininBird flu
The invention discloses an analysis system for blood clotting in plague used for carrying out tests on immunological blood clotting or blood clotting inhibition to such plagues as bird flu, swine fever and foot and mouth disease. The invention comprises hardware and test program software, wherein the hardware comprises a blood clotting image acquisition instrument and a computer, and the software comprises a database module, an image comparison module and a master control module. The image comparison module compares an original image of a tested sample in the blood clotting test acquired by the blood clotting image acquisition instrument with a standard blood clotting image model in the database module; if the tested sample image acquired has the same characteristics in blood clotting with a certain standard blood clotting image, then the judgment result information corresponding to the standard blood clotting image is taken as the test result of the tested sample; and the test program software tests and analyzes the tested sample image and manages the test results data, thereby simplifying and facilitating the operation, raising standardization degree of the test, test precision and testing efficiency and being convenient for searching, filing, statistics and plague tracing.
Owner:杨傲冰
Process for directly synthesizing caprolactam by using cyclohexanone
InactiveCN101671303AAvoid duplicate settingsSimplified and convenient operationLactams preparationOrganic-compounds/hydrides/coordination-complexes catalystsCyclohexanoneMolecular sieve
The invention relates to synthesis of organic chemicals, in particular to a process for directly synthesizing caprolactam by using cyclohexanone. The process comprises the following steps: 1) cyclohexanone and a titanium silicate molecular sieve (TS-1) with weight ratio of 2:1 are put in a reactor, then aqueous ammonia and hydrogen peroxide are simultaneously dropwise added in the reactor for stirring at the reaction temperature of 50 DEG C, and the reaction is kept for 60-180 min; and 2) the ionic liquid N, N, N-trimethyl-N-sulfobutyl-ammonium bisulfate is directly added to the reaction mixture after finishing dropping to react for 10-30 min to obtain the product of caprolactam, and the mol ratio of N, N, N-trimethyl-N-sulfobutyl-ammonium bisulfate: cyclohexanone: NH3: H2O2 is equal to 1-5:1:2:1.5. The process for directly synthesizing caprolactam by using cyclohexanone can perform two-step chemical reaction without a reactor, therefore, the operation is simplified and convenient; andthe process conditions are mild, and the process is carried out under normal pressure and at the temperature of 40-60 DEG C.
Owner:HEBEI UNIV OF TECH
Dynamic password identity authentication method and system based on near field communication (NFC)
ActiveCN104113417AImprove securitySimplified and convenient operationUser identity/authority verificationSensing by electromagnetic radiationPasswordApplication software
The invention relates to the technical field of information security, in particular to a dynamic password identity authentication method and system and provides a dynamic password identity authentication method and system based on near field communication (NFC). The method includes that an NFC module provides a radio-frequency field; a tag with first identity information inside of a user induces the radio-frequency field, and meanwhile, the first identity information is sent to the NFC module; identity authentication modules obtain the first identity information which is received by the NFC module, and the first identity information is verified; if the verification of the first identity information succeeds, a unique identify number which is related to the first identity information is obtained and verified, and a secret key seed which is related to the identify number is obtained; a first identity authentication module is combined with the secret key seed to generate a dynamic password; the dynamic password is input to finish identity authentication. According to the dynamic password identity authentication method and system based on NFC, the identity authentication modules are independent of all application programs in devices, one dynamic token can be simultaneously used at various occasions, user operation is simplified and facilitated, and user experience is greatly improved.
Owner:SHANGHAI PEOPLENET SECURITY TECH
Low-temperature plasma hydrogen peroxide sterilizer and using method thereof
PendingCN110101891AEasy to process and assembleEasy to disassembleLavatory sanitoryChemicalsInfraredEngineering
The invention discloses a low-temperature plasma hydrogen peroxide sterilizer and a using method thereof. Compared with existing products in market utilizing bearings, high-precision sliding rails, steel wire rollers and other combined structures, the structure of a sterilization cabin door plate is simpler, the requirement for balance and cooperation of the sterilization cabin door plate in the moving process is ensured, and assembling, disassembling and maintenance are convenient. By arranging an infrared induction probe, alternatives of operators for operating machines are added, and the operators can select operation modes according to the actual condition. By designing an anti-collision assembly, the phenomenon that when an objective disc is not placed in place or other interference objects exist when the sterilization carbon door is closed, the door plate and the objective disc are disturbed, and damage to components is caused can be effectively avoided, the phenomenon that the limbs of the operators are pinched can be effectively avoided, and personal safety of the operators is protected. Due to a cassette type medicine adding device, the prominent problem that the medicineadding dosage is not stable in market is solved, a high-concentration hydrogen peroxide solution is effectively isolated, and the safety of the operators is protected.
Owner:河南省三强医疗器械有限责任公司
Compressor intercooling system
InactiveCN101082347ASimplified and convenient operationReduce workloadPump componentsPumpsIntercoolerEngineering
The invention relates to compressor intercooler especially to intercool which makes up with multiple grade compressors. The invention contains shell body, core body, cooling system including diversion of water cover. Intercool system makes up with at least two cooling machine contains shell body, core body and diversion of water cover. The first grade intercooler set an air inlet used in introduces air in environment to air inlet of first grade compressor. The first grade intercooler set an air vent used in rowing the cooled air to the air inlet of second compressor. Second intercooler also set air inlet and air vent. The air inlet of first and second intercooler both dock with air inlet of next grade, composition system with tandem mode. Core body use cycle water cooling. Cycle cooling water is passing in core body tube. Heat transfer fin is cross under of the tube. Compressed air passes through clearance of fin. Core body makes up with cooling water tube and heat transfer fin installed in the shell body by flange.
Owner:HUNAN ZHONGDA MECHANICAL & ELECTRICAL
Shared cellphone and shared cellphone system and method
PendingCN107509189AEasy to operateSimplified and convenient operationUnauthorised/fraudulent call preventionRecord carriers used with machinesEmbedded systemManagement system
The invention discloses a shared cellphone and a shared cellphone system and method. The system and method achieve the sharing of a cellphone through displaying a cellphone locking code for code-scanning start on a cellphone screen and employing a sharing management system, thereby bringing new products, services and convenience to the people for communication. The shared cellphone is characterized in that the shared cellphone comprises a shared cellphone display screen and a cellphone locking code generation device; the cellphone locking code generation device displays a generated cellphone locking code on the shared cellphone display screen; the cellphone locking code is transmitted to the sharing management system through a code scanning device; the sharing management system remotely starts the shared cellphone according to the received cellphone locking code.
Owner:广东秀豹科技有限公司
Working platform with adjustable length for power field
InactiveCN105552778ASimplified and convenient operationImprove work efficiencyOther workshop equipmentApparatus for overhead lines/cablesOperation safetyElectric power
Owner:SICHUAN LANXUNBAOER ELECTRONICS TECH
Method for identifying signal input channel and TV set adopting same
InactiveCN101742140ASimplified and convenient operationImprove experienceTelevision system detailsColor television detailsTechnology of televisionComputer science
The invention is suitable for the technical field of TVs and provides a method for identifying a signal input channel and a TV set adopting the method. The TV set comprises a signal input channel, a signal detecting unit, an identifying signal producing unit and an MCU (Microprogrammed Control Unit), wherein the signal input channel has multiple paths which are respectively used for receiving input signals; the signal detecting unit is used for detecting whether the signal input channel has signal input or not; the recognizing signal producing unit is used for generating an identifying signal which corresponds to the signal input channel and transmitting the identifying signal corresponding to the signal channel with signal input to the MCU; and the MCU is used for identifying the identifying signal and judging the signal input channel corresponding to the identifying signal. The technical scheme can identifying the input channels of multiple paths of signals with same property, control the TV set to be directly switched to the corresponding signal channel according to an identification result, facilitates and simplifies for the operation of a user to the TV set, leads the TV set to be more user friendly and improves the user experience.
Owner:SHENZHEN TCL NEW-TECH CO LTD
Server remote restarting method and device based on management, equipment and storage medium
PendingCN110262837AConvenient for preliminary verificationSimplified and convenient operationDigital data authenticationBootstrappingPasswordCommunications server
The embodiment of the invention discloses a server remote restarting method, device and equipment based on management and a storage medium, and relates to the technical field of communication servers. The server remote restarting method comprises the following steps: receiving a management login request; activating a preset special communication channel; receiving an account login instruction, and establishing an active communication connection with the server; after a management instruction for restarting the server is received, inquiring the authority of logging in the management account at present; and if the management account has the permission to restart the server specified by the management instruction, restarting the specified server in response to the management instruction. According to the method, the server is remotely controlled to be restarted through the established special channel, management and preliminary verification can be facilitated, the operation authority can be automatically verified when the server is restarted, excessive verification and operation steps are not needed, operation is simplified and convenient, and safe restarting can be carried out without further inputting passwords and command operation.
Owner:PING AN TECH (SHENZHEN) CO LTD
A feeder for bagging powder
Owner:HUNAN LOUDI HUAXING ANTIMONY IND
Fast measuring device and method for molecular weight of chitosan
ActiveCN107063929ASimplified and convenient operationHigh precisionDirect flow property measurementMicrocontrollerCapillary Tubing
The invention discloses a fast measuring device and a method for the molecular weight of chitosan. The device comprises a thermostatic bath and a liquid storage tank arranged inside the thermostatic bath. The device is characterized in that the device further comprises a singlechip microcomputer. The liquid storage tank comprises an upper chamber and a lower chamber which are communicated with each other through a level valve, wherein the lower chamber is internally provided with a vent pipe communicated with the outside atmosphere, and the lower portion or the bottom of the lower chamber is provided with a capillary tube which is used for transferring liquid to the outside of the thermostatic bath; the tip of the capillary tube is a horn mouth, and the lower portion of a weighing cup mounted right under the horn mouth is provided with a gravity sensor; a valve (17) is mounted on the capillary tube, and a gravity signal obtained by the gravity sensor is transferred to the singlechip microcomputer. By means of the existing viscosity method, a chitosan molecular weight-measuring device has the disadvantages of being complex in structure, low in precision, inconvenient to operate, hard to maintain, likely to break down and the like. According to the fast measuring device and the method for the molecular weight of chitosan, weights rather than volume scales are utilized to quantify and measure the time spent in passing the capillary tube; therefore, the fast measuring device has the advantages of being simple in structure, high in precision, convenient to operate, easy to maintain, not likely to break down and the like.
Owner:GUANGDONG OCEAN UNIVERSITY
Image detection device of inkjet printing machine
InactiveUS20090303277A1Operation of machine simplified and convenientReduce labor costsOther printing apparatusGraphicsImage detection
An image detection device of inkjet printing machines is revealed. The image detection device of inkjet printing machines mainly includes an image detector connected with a print head of the inkjet printing machine. The image detector moves along with the print head so that the image detector detects figures and words printed by the print head in real time for learning whether the print head printed the printed figures and words correctly. If there are some printing defects, this means that the print head is obstructed. Through the image detection device, the inkjet printing machine runs a cleaning process and prints figures as well as words after complete cleaning of the print head. Thereby, figures and words are printed continually and precisely, without printing defects caused by obstruction of the print head. Therefore, not only the operation is simplified and convenient, but the labor cost is reduced and the working efficiency is improved. The practical value of the device is increased.
Owner:GUO HONG JHIH
An NFC-based dynamic password identity authentication method and system
ActiveCN104113417BImprove securitySimplified and convenient operationUser identity/authority verificationSensing by electromagnetic radiationPasswordInformation security
Owner:SHANGHAI PEOPLENET SECURITY TECH
Process for directly synthesizing caprolactam from cyclohexanone and hydroxylamine
InactiveCN102001999BAvoid duplicate settingsSimplified and convenient operationLactams preparationCyclohexanonePhosphoric acid
The invention discloses a process for directly synthesizing caprolactam from cyclohexanone and hydroxylamine, comprising the following steps of: mixing sodium hydroxide, sodium nitrate, phosphoric acid and water to obtain a phosphoric acid buffer solution in a reactor; adding hydroxylamine sulfate and cyclohexanone in the ratio of 1:2 into the buffer solution, wherein the addition amount is that the volume ratio of 85 percent of phosphoric acid to the cyclohexanone is 2.63:1.26; reacting under normal pressure for 5-30min at 30-50 DEG C; and after the reaction time reaches, directly adding ionliquid of N,N,N-trimethyl-N-sulfonate butyl-ammonium bisulfate in a reaction mixture and reacting for 10-30min to obtain a product of the caprolactam, wherein the mole ratio of the N,N,N-trimethyl-N-sulfonate butyl-ammonium bisulfate to the cyclohexanone is 1:3-5. In the process for directly synthesizing the caprolactam from the cyclohexanone and the hydroxylamine in a phosphoric acid buffer solution system, the highest selectivity of the caprolactam can reach 92.1 percent.
Owner:HEBEI UNIV OF TECH
Fixing device for X-ray shooting of hand operation of orthopedics department
InactiveCN111466938AEnsure stabilitySimple structurePatient positioningPatient positioning for diagnosticsSurgical ManipulationSocial benefits
The invention belongs to the field of medical clinical orthopedics department surgery auxiliary equipment, and discloses a fixing device for X-ray shooting in orthopedics department hand surgery. Fourfixed sliding blocks are placed in a base regulation toothed socket and are independently internally provided with a vertical carbon rod; each vertical carbon rod is provided with a locking nut; eachlocking nut is independently connected with a horizontal carbon rod capable of sliding; and the side part of each vertical carbon rod is fixed through a spring baffle plate. The fixing device is simple in installation and convenient to operate, and can be widely clinically practically utilized, the operation of a surgeon in the surgery is simplified, and surgery time is shortened. The fixing device used for the X-ray shooting in the orthopedics department hand surgery adopts a base with the toothed socket and a scale, sliding blocks, the vertical carbon rods and the horizontal carbon rods, wherein the vertical carbon rods and the horizontal carbon rods are connected through the locking nuts, the diameters of the vertical carbon rods and the horizontal carbon rods are 10 mm, and the side part of each vertical carbon rod adopts spring baffle plate design. The fixing device used for the X-ray shooting in the orthopedics department hand surgery can conveniently and effectively place the position of the hand, regulates an angle, avoids that a hand X-ray shooting position is nonstandard, is convenient for a surgery operation, avoids multiple times of X-ray shooting, shortens surgery time, improves surgery efficiency, lightens the burden of the surgeon, improves the success rate of the surgery, lowers the surgery cost of a patient and increases a social benefit.
Owner:郑良孝
An automatic steel cord drumming detector
ActiveCN104807745BImprove accuracyImprove detection accuracyUsing mechanical meansMaterial analysisEngineeringSet point
The invention relates to an automatic steel cord drum detection instrument. A guide rail (9) is horizontally arranged on a bracket (8), a moving slider (6) is arranged on the guide rail (9), and a motor reduction box (2) A drive pulley (3) is connected to the output shaft of the drive pulley (3), a driven pulley (12) is connected to the side of the tail of the bracket (8), and a transmission belt ( 11), one side of the moving slider (6) is connected with the transmission belt (11), the pressure rod (5) of the moving slider (6) is connected with the hanging hammer I (4), and the front support (21) is installed with The front cord clamp (1), the rear end of the support (8) is provided with a pulley (15), the pulley (15) and the support (8) are perpendicular to each other, and there is a Press die (7), front cord clamp (1), press die (7), rear cord clamp (13) and cord pretension setting point (14) are on the same straight line.
Owner:JIANGSU XINGDA STEEL TYPE CORD
Process for preparing trans-1,2-naphthenic diol
The invention provides a process for preparing trans-1,2-naphthenic diol through direct synthesis of epoxy cycloalkane and water. The method comprises the following steps: putting epoxy cycloalkane and water in a reaction tank according to a mol ratio of epoxy cycloalkane to water of 1: 4-20, closing the reaction tank, heating an obtained mixture to a temperature of 100 to 140 DEG C under stirring and subjecting the mixture to a reaction for 2 to 10 h; drying liquid through vacuum concentration and evaporation so as to obtain the product of trans-1,2-naphthenic diol. According to the invention, a reaction speed is fast, no other catalyst is needed, and selectivity and yield of the product is high, higher than 99%; the reaction can be carried out in one reactor, and it is not needed to separate a catalyst, thereby simplifying and facilitating operation; a resultant polymer is oligomer which undergoes quick hydrolysis under the catalysis of high-temperature water to produce trans-1,2-naphthenic diol.
Owner:HEBEI UNIV OF TECH
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