35results about How to "Less looking" patented technology

The invention relates to the technical field of water body nitrate pollution treatment and control, and is a method for culturing a denitrifying bacterium and using the bacterium to determine water body nitrate nitrogen isotopic composition. The method comprises the following steps of: (1) carrying out enrichment culture of the denitrifying bacteria, (2) detecting whether the denitrifying bacteria completely converse NO3- in a culture fluid, (3) concentrating of the denitrifying bacteria, (4) adding the concentrated cell culture to a sample bottle, purifying an upper space and removing N2O in the denitrifying bacterium liquid, (5) conversing NO3- in the sample to N2O, (6) determining the N2O nitrogen isotope, and (7) correcting the nitrogen isotope determination result to complete the test. The positive effects of the invention are as follows: the culture of the denitrifying bacteria can be completed by using only a common saline bottle or a triangular flask, the detection of sulfanilamide color development improves the reliability of the determination result, and the determination cost is reduced. For the current situation that severe water body nitrate pollution is urgently needed to be treated, the method of the invention has the advantages of scientificalness, simplicity, and high maneuverability, and has a broad popularization prospect.

The invention provides a system using various networks for navigation. The system at least comprises a mobile device which is placed in a mobile network and a vehicle-mounted terminal which is communicated with the mobile device through a short distance wireless network. The mobile device comprises a first communication module, a route processing module and a second communication module. The first communication module is used for acquiring the information of a destination selected by a user through the mobile network. The route processing module is used for positioning the current position of the mobile device, and confirming the first route information from the current position to a parking field nearby the destination provided by the first communication module. The second communication module is communicated with the vehicle-mounted terminal through the short distance wireless network and is used for sending the first route information to the vehicle-mounted terminal. The vehicle-mounted terminal is used for conducting navigation to the user according to the first route information provided by the mobile device. The vehicle-mounted terminal further comprises a third communication module, and the third communication module is used for conducting short distance communication with the second communication module to obtain the first route information.

The invention relates to a lamp which comprises a lamp box, a lamp holder, a lamp holder fixing device, a fixing member, a connecting member and an elastic vibration damper plate, wherein the lamp holder is arranged on the lamp box and provided with a mounting hole group, a light source is arranged on the lamp holder, and a light source bracket is arranged on the end part of the light source; thelamp holder fixing device comprises a transverse plate and a longitudinal plate connected with the transverse plate, at least two groups of adjusting holes are formed on the longitudinal plate, and the mounting hole group and one of at least two groups of adjusting holes are matched to adjust the position of the lamp holder in the lamp box; and the elastic vibration damper plate is arranged between the lamp holder fixing device and the lamp holder. According to the lamp, the longitudinal plate of the lamp holder fixing device is provided with at least two groups of adjusting holes, the lamp holder can be installed at least two different positions by the at least two groups of adjusting hole without replacing a new lamp holder fixing device according to the different installation positionsof the lamp holder; the interchangeability of the lamp holder fixing device is improved; the installation efficiency is improved; and the lamp is suitable for different occasions by adopting the elastic vibration damper plate which plays a buffering role.

The invention relates to the technical field of parking space locks, in particular to an intelligent shared parking lock which comprises a lock body and a sharing module. The sharing module comprisesa control box and a camera; the control box is fixedly connected with a base, the inner side of the control box is fixedly connected with an infrared emitter and a control circuit board, the infraredemitter is electrically connected with the control circuit board through a wire, the motor gearbox is fixed in the control box through a buckle, and the motor gearbox is electrically connected with the control circuit board through a wire. According to the invention, the sharing module is arranged in the bottom shell of the traditional parking space lock; the control box and the camera are arranged in the sharing module; the license plate number of a vehicle can be recognized through the camera, the parking space lock can be unlocked in time, the number of idle parking spaces can be monitoredin real time through connection between the control box and the APP, the license plate number of the vehicle can be recognized through the camera, information of the parked vehicle can be uploaded intime, and the information of the parked vehicle at the moment can be found when necessary.

The invention relates to a construction site temporary house structure easy to disassemble, and relates to the technical field of house assembly. The construction site temporary house structure comprises two side wall plates and end wall plates located at the two ends of the side wall plates, and the end wall plates are detachably connected to the ends of the side wall plates; top plates are hinged to the sides, facing each other, of the two side wall plates and located at the upper ends of the side wall plates correspondingly, and the side wall of each side wall plate is provided with a locking piece used for fixing the rotating position of the corresponding top plate relative to the corresponding side wall plate; and bottom plates are further hinged to the side walls, facing each other, of the two side wall plates. The construction site temporary house structure has the effect of improving the assembly efficiency.

The invention discloses a radio wave path prediction method and device. The method comprises the steps of extracting corresponding building component information from a building information model; performing format conversion on the building component information; acquiring electromagnetic parameters of building components corresponding to the building component information, generating multi-source information, and constructing a three-dimensional electromagnetic building model after the multi-source information is expressed by a specific data structure; according to transmitter and receiver parameters, predicting an electromagnetic wave propagation principle and a sparse characteristic of a multipath channel, electromagnetic waves playing a main role in signal propagation in the three-dimensional electromagnetic building model, obtaining building components influencing propagation of the electromagnetic waves in the building components according to the predicted electromagnetic waves,and obtaining a telex sparse matrix according to the obtained building components; and predicting received signal information of each position point in the building according to the telex sparse matrix. By adopting the method, the multi-source information is extracted and fully utilized, so that the calculation efficiency is improved, and the complexity is reduced.

The invention discloses an electronic scale convenient to use, which comprises a tray and a tray bearing surface, wherein the tray bearing surface is fixedly connected with the lower end of the tray,a scale body is arranged at the lower end of the tray bearing surface, an article placing device is clamped at the lower end of the scale body, a movable induction box is arranged in the article placing device, a clamping wheel and an article placing device clamping wheel are arranged at the bottom of the induction box, the induction box is prevented from falling off by mutually clamping the clamping wheels of the induction box and the article placing device, the inside of the article placing device is machined and processed into a concave-shaped body, two sides of the scale body are configured into convex-shaped bodies, through the dowel joint between the concave-shaped body and the convex-shaped body, the scale body is convenient to disassemble and move in the later period, and other articles are conveniently placed, thereby reducing the search for articles such as packaging bags, paper boxes, pens and the like for merchants, improving the work efficiency and solving the problem of loss of customer sources, at the same time, it is convenient for merchants to arrange articles and books.

The invention discloses a navigation system, which comprises a labeling module, which is used for labeling a key part of an object in an original three-dimensional model of the object; a shooting module which enters the narrow space, shoots the object in real time and indicates the position of the tool on the object; a modeling module which is used for establishing a real-time three-dimensional model of the object; a registration module which is used for registering the original three-dimensional model and the real-time three-dimensional model to obtain relative position information between the key part of the object and the current position of the tool; and a navigation module which is used for navigating the user based on the relative position information. By means of the system, the time for a user to find a key part can be shortened, operation time is shortened, and operation risks are reduced.

The invention discloses a method and system for detecting house facade hollowing through an unmanned aerial vehicle. The method comprises the following steps of a space coordinate system being established; selecting a detection point; detecting parameters; preliminary comparison; performing accurate shooting; comparing again; empty drum confirmation. According to the method for detecting the hollowing of the outer vertical surface of the house through the unmanned aerial vehicle, 1, the unmanned aerial vehicle is controlled to replace manpower to shoot the exterior of the house, so house detection difficulty is greatly reduced, and meanwhile, detection precision and detection efficiency can also be improved; 2, the shot house three-dimensional image is compared with house external data, so that the error occurrence position can be quickly obtained, the error occurrence position can be conveniently obtained, and the manual troubleshooting range is reduced; and 4, the obtained accurate three-dimensional image is compared with a common object image in a database, so the investigation range can be further expanded, and investigation difficulty and workload are improved.

The invention discloses an aluminum film plating machine and a use method thereof. A shell is included, a containing cavity with an upward opening is formed in the shell, the bottom wall of the containing cavity is provided with four positioning grooves in a communicating mode, the four positioning grooves are arranged in an array mode, and positioning devices capable of placing articles at the center positions are installed in the positioning grooves. According to the aluminum film plating machine and the use method thereof, the positioning devices are arranged so that objects placed in containing grooves can be automatically pushed to the center positions, subsequent fixing and rotating work after fixing are facilitated, and preparation is made for final winding work; a fixing device is arranged in the aluminum film plating machine so that an aluminum-plated film can be fixed and clamped first, and subsequent winding work is facilitated; and an aluminum-plated film cutting device and the fixing device are designed together, the aluminum-plated film can be directly cut off after winding is completed, the working efficiency is improved, the searching work is reduced, meanwhile, the cutting device is rotationally connected and can be folded when not used, and it is avoided that smooth proceeding of other work is affected.

The invention discloses a seat state monitoring system based on photoelectric start-up real-time detection, which includes the minimum system of the lower computer STC89C52 and the minimum system of the upper computer STC89C52 corresponding to the seat one by one; Communicate with the lower computer NRF24l01 wireless transceiver and the lower computer STC89C52 minimum system; the upper computer STC89C52 minimum system is normally closed, and is connected to the power supply through a relay, and the start of the relay is controlled by a photoelectric sensor; the lower computer STC89C52 minimum system It is also connected with PC and LED display. The present invention adopts the route of first detection and then control, rather than the usual route of first control and then detection, which solves the problem of power consumption very well. We use the photoelectric sensor to start the relay for detection-control, so that the MCU controller It does not need to be in a constant startup state, thereby effectively reducing power consumption.

The invention discloses a novel bone mallet, comprising a mallet body, wherein the mallet body is connected with a hand shank through a connecting rod; the section of the hand shank is rectangular; filing teeth are arranged at two sides of the part, which protrudes towards two sides, on the hand shank; a groove is formed in the upper surface of the hand shank along the length direction; the tail end of the groove is connected with a periosteum separating arm through a rotating shaft; a pluggable pin shaft is arranged inside the groove in the upper part of the periosteum separating arm; the periosteum separating arm can be rotatably arranged inside the groove around the rotating shaft and is positioned through the pin shaft. By adopting the novel bone mallet, various orthopedic medical devices, such as the bone mallet, the periosteum separating arm and bone files are integrated, so that medical staff reduce the frequency of looking for and exchanging surgical instruments in the orthopaedic treatment process, thereby improving the work efficiency; the periosteum separating arm can be hidden into the groove in the hand shank, so that the space is fully utilized, and the novel bone mallet is simple and small in model, and convenient to use.

The invention provides a buried structure of a ground hook lock. The buried structure comprises a pre-embedded box and a ground hook box, wherein the pre-embedded box comprises a fixing part and a supporting part surrounding the fixing part, and the fixing part and the supporting part form a cavity provided with an opening at one end; the ground hook box comprises a box body located in the cavity,a cover plate located on the outer side of the cavity and a limiting rod; an opening is formed in the cover plate opposite to the limiting rod, and the box body comprises a bottom plate which is opposite to the fixing part; and a screw is connected between the bottom plate and the fixing part, and the fixing part is provided with an expansion screw hole.

The invention relates to a 5G channel estimation time-frequency smoothing method adopting an amplitude-phase separation technology, and the method comprises the steps: carrying out the LS channel estimation of a received signal, correcting the non-ideal factors of a channel, carrying out the amplitude-phase separation expansion in a frequency domain, separately conducting transforming to form time domains through IFFT (Inverse Fast Fourier Transform), selecting a raised cosine window with a proper window bilateral trailing length for smoothing, finally conducting transforming to a frequency domain through FFT (Fast Fourier Transform), and finishing time-frequency smoothing calculation of channel estimation after amplitude and phase combination. According to the method, by correcting non-ideal factors of a channel, searching of a window position can be reduced, the center position of a time domain window can be fixed at a zero point, and amplitude and phase separation and two-path independent processing are adopted, so that the amplitude and phase of the channel can obtain good denoising performance; and effective data expansion can reduce jitter at two ends of a channel, and better smoothness performance is obtained. Therefore, the problem that the channel estimation accuracy is reduced due to energy leakage and jitter of the two ends of the channel useful signal can be solved.

The invention discloses a positioned feeding implementation method with data statistics. The positioned feeding implementation method with the data statistics comprises the following steps of arranging a buzzer with lamplight above each carton by using a single chip microcomputer control principle, allowing each buzzer to have an address (X1, X2... Xn), scanning two-dimensional codes on material packages for carton distribution, distributing different materials to the cartons with different addresses, enabling the corresponding buzzers above the cartons to be turned on and flicker, and after material labels are scanned each time, recording the feeding number of the cartons at the same time; until the number of the cartons reaches the set number, enabling the corresponding buzzer to give analarm, and indicating that feeding of the corresponding carton is finished; and carrying out secondary confirmation by using a weighing mode, and then conducting sealing and warehousing. Risks of finding the positions of the feeding cartons, repeating counting in the cartons, being low in efficiency and feeding wrong materials by staff are reduced. According to the positioned feeding implementation method, a guarantee is provided for rapid and accurate feeding and boxing by the staff, and a feeding counting function avoids time waste caused by repeated counting by the staff.

The invention relates to the field of artificial intelligence, and particularly discloses a user service method and device based on a social platform, computer equipment and a medium. The method comprises the steps that after a customer service system receives a request message sent by a user through a social platform for the first time, a sending channel of the request message of the user is recorded as the social platform; an intelligent customer service is called to communicate with the user, at least one artificial customer service associated with the user is determined according to the sending channel when receiving a switching instruction, and communication with the user is conducted for the first time through an artificial customer service; after the first communication between theuser and the artificial customer service is interrupted, when a request message sent by the same user is received for the second time, the artificial customer service serving the user in the first communication is enabled to perform secondary communication with the user in the recorded sending channel, and the dialogue content of the artificial client and the user in the first communication is displayed in a communication interface of the secondary communication. According to the invention, the experience effect of the user on the customer service can be improved.