49results about How to "Difficult to collect" patented technology

The invention discloses a critical temperature testing system of gunpowder and explosive thermal explosion, comprising a temperature-rising heating unit, a reactor unit, an automatic sample feeding unit, a pressure detection unit and a computer, wherein the temperature-rising heating unit comprises a heat-conducting layer, a heat preservation layer, and a single-cavity heating furnace body containing three groups of heating layers and ceramic heat-isolating layers; and the temperature and the temperature-rising speed of the heating furnace body are controlled by the computer. The reactor unit comprises a testing furnace cover, a lifting basket, a sample tank and a pre-heating furnace cover; the automatic sample feeding unit comprises a furnace body bracket, two stepping motors, a pulley wheel and a steel wire rope; the air pressure detection unit comprises a pressure sensor; the pressure sensor is mounted in the sample tank through the testing furnace cover and is connected with the computer; and the computer is provided with a data acquisition card, an image display control piece and a data processing unit. When the critical temperature testing system is used, a gunpowder or explosive sample with the certain size is placed into a special explosion-proof furnace and the sample is heated at the equal temperature or temperature-rising condition, so as to detect the thermal explosion critical temperature when the sample is combusted or exploded.

Solid compositions with improved physical stability comprise an amorphous, low-solubility drug, a poloxamer, and a stabilizing polymer. The compositions provide good physical stability during storage and concentration enhancement of dissolved drug when administered to an aqueous environment of use.

A connector (10) for an apparatus includes a housing (11) having a fit-in part (41) to be fit in a mounting hole (33) that penetrates through a case (30) of the apparatus. Tubular terminal insertion parts (42), penetrating through the fit-in part (41) and can receive a terminal fitting (21) connected with an end of a wire (20). Guide ribs (46A-46C) project from the fit-in part (41) into the case (30) and are spaced apart around an inner peripheral surface of the mounting hole (33). Reinforcing ribs (45A-45D) projecting into the case (30) Each reinforcing rib (45A-45D) and connects a side edge of a guide rib (46A-46C) to a peripheral surface of a terminal insertion part (42).

A human body reidentification method based on portion segmentation is disclosed. The method comprises steps of image data acquisition, rough identification, fine identification and the like. The method has effects that modern clothes have many styles and colors, a color of sleeves is different from a color of a body portion, and colors of trousers of a thigh portion and a crus portion are different; in a monitoring camera, head information is usually subtle so that a characteristic with a large distinction degree is not easy to find, and feet are small and are not easy to collect; and based on the above condition, a human body, except for the head, is divided into 9 portions of a body, a left / right upper arm, a left / right lower arm, a left / right thigh and a left / right crus, and reidentification is performed and a high identification rate is possessed. Through rough identification, a candidate set human body whose color is close to that of a query set can be extracted, but a search scope can not be reduced. Based on the rough identification, for a body portion image, a method of projection is used to extract a pattern of the body portion and position information of the pattern so that the identification rate is further increased.

The invention relates to big data, and provides a data processing method and device, electronic equipment and a medium. The method includes: determining a target system from a data processing request;determining a data storage form on the target system; acquiring to-be-processed data from the target system by utilizing an acquisition mode corresponding to the data storage form, standardizing theto-be-processed data; obtaining standard data, performing quality detection on the standard data; determining the standard data passing the quality detection as initial data; carrying out dimension normalization processing on the initial data; obtaining a plurality of dimension tables; extracting the user demand from the data processing request, generating the data analysis algorithm according tothe user demand, analyzing the data in the multiple dimension tables by using the data analysis algorithm to obtain the target data table, and constructing the blood relationship map according to thetarget data table. The problem that the data is difficult to collect is solved, and the data analysis efficiency is also improved. The invention also relates to a blockchain technology, and the bloodrelationship map is stored in the blockchain.

The invention discloses a multimode recognition device and a method based on features of a face, fingerprint and finger vein. The multimode recognition device based on features of the face, the fingerprint and the finger vein is prepared and started; after the intensity of a light source is stabilized, the original image of the face is acquired by a first camera, the original finger image of the vein of an extended finger is acquired by a second camera, and a fingerprint module acquires the original fingerprint image; the living body image obtained through judgment is subjected to denoising and image enhancement processing, and whether the face image, the fingerprint image and the finger vein image are all living bodies are judged; if a dummy body exists in the images, the dummy body image is eliminated; features of the obtained and judged living body images are extracted respectively; the extracted features are fused in a feature layer to obtain new features; the new features obtained through fusion are used to train a classifier; and a training feature library is generated, and the training feature library is used to carry out multimode identity authentication on a test person. The problems that destruction and forgery are likely to happen and the recognition success rate is low and the recognition is instable in the case of single living thing recognition can be solved.

The invention discloses a thermal power generating unit start-stop and derated output supervision method, and belongs to the field of electric power engineering. The method comprises the following steps: collecting power data of a unit; performing data extraction on the power data; performing data preprocessing on the extracted data to obtain effective data; storing the valid data in a database; and by analyzing historical data in the database, judging whether the current data is a non-planned shutdown event or a non-planned descending output event or not. The thermal power generating unit start-stop and derated output supervision application technology has the advantages of rapidness, accuracy, convenience, low missing report rate, high automation level and the like.

A nail clipping device for preventing the nail clippings from jumping away from the clipper and being scattered around the nail clipping site. This device includes vertical catching side walls that are extended from both sides of upper and lower elongate parts of the clipper. The height of each catching side wall is just a little bit shorter than a half of the distance between the upper and lower elongate parts of the clipper when it is closed for cutting. When the clipper is not used the upper and lower catching side walls are apart from each other. However, when it is closed for nail clipping, the catching side walls approximate each other leaving just a small gap between them to form a side barrier to trap the nail clippings within. After clipping nails, by opening the clipper and holding it vertically the clippings can be disposed to desired place. The best point is that this invention does not have complicated structure, and does require minimal or almost no additional cost to manufacture comparing the most common type of nail clipper in current market. And it looks almost identical to the common type of nail clippers except shallow vertical side walls on upper and lower elongate parts that helps people to use this clipper without any hesitation.

A hinge device for opening and closing a relatively lightweight cover, as well as office equipment using such a hinge device. A hinge device includes an attaching part attached to the office equipment side, the supporting part attached to the cover side, a hinge shaft for rotatably coupling the attaching part and the supporting part, a slider provided inside the supporting part so as to be slidable in a direction perpendicular to an axial direction of the hinge shaft, a cam portion formed on the attaching part, a cam bearing portion formed on the slider, an urging means for urging the slider toward the attaching member and bringing the cam bearing portion into a pressurized contact with the cam portion.

The invention relates to the technical field of remote monitoring, in particular to an industrial gas data collecting and monitoring device. The industrial gas data collecting and monitoring device comprises a first data collecting system which utilizes a wireless transmission mode, a second data collecting system which utilizes a wire transmission mode, a data transmission network, an application server and a real-time data base server. The first data collecting system, the second data collecting system, the application server and the real-time data base server are connected with the data transmission network. The first data collecting system and the second data collecting system transmit collected gas data to the application server through the data transmission network, and the application server processes the gas data and transmits the gas data to the real-time data base server, so that the gas data are stored into the real-time data base server. The industrial gas data collecting and monitoring device solves the problems that gas data of gas users who are widely distributed in a complex site condition are not easily collected and transmitted when traditional type data collecting monitoring is conducted, and ensures completeness and accuracy of gas process data.

The invention belongs to the technical field of micro-spectrum imaging detection, and relates to a transmittance type confocal CARS (Coherent Anti-Stokes Raman Scattering) micro-spectrum testing method and a device. The key point of the method is that a laser confocal microtechnique is combined with a CARS spectrum detection technique, a bidirectional light splitting unit is added to a transmittance type confocal microstructure to implement nondestructive separation on Reyleigh scattering light and CARS light, the CRAS is adopted for spectrum detection, and the Reyleigh scattering light is adopted for geometrtic positioning. By virtue of the characteristic that the top point of a confocal curve precisely corresponds to a focus position, the position of an emitted spot focus is precisely captured and positioned, high-precision geometric detection and spectrum detection of high spatial resolution are achieved, and a method and a device for high spatial resolution spectrum detection on microcells of samples are formed. By using the CARS spectrum detection technique, excited Raman scattering light with information of a transparent sample is far stronger than conventional excited Raman light and is short in excitation time, so that possibility is provided for rapidly detecting biological samples and transparent materials. The method is accurate in positioning, high in spatial resolution, high in spectrum detection sensitivity, controllable in focus spot size measurement and wide in application prospect in fields such as biological medicines and transparent material detection.

There is provided a four-stroke internal combustion engine lubrication device that is capable of appropriately lubricating various parts regardless of engine orientation, of improving the capability for collecting excess oil within a valve chamber or the like and the capability for supplying oil to the various parts, and of reliably preventing oil leakage from a breather port provided in the valve chamber. It comprises: a reed valve (40) that allows oil flow from an oil chamber (17) into a crankcase (15) but prevents oil flow from the crankcase (15) to the oil chamber (17); an oil supply passage (35) for supplying oil from the crankcase (15) to a valve chamber (18); and a plurality of independent oil collection passages (51, 52) with differing inlet / outlet positions and for collecting in the oil chamber (17) the excess oil in the valve chamber (18). The dimensions of the various parts are so designed as to constantly maintain the oil chamber (17) under negative pressure during operation. The excess oil within the crankcase (15) is returned to the oil chamber (17) utilizing the negative pressure of the oil chamber (17).

The invention discloses a preparation method of a high-activity microencapsulated lactic acid bacteria starter. The preparation method comprises the following steps: inoculating lactic acid bacteria to a culture medium to be cultured; filtering the bacterial liquid with a hollow fiber membrane, and concentrating to form a concentrated bacterial liquid; injecting a fresh culture medium into the concentrated bacterial liquid to be cultured; filtering the prepared bacterial liquid with the hollow fiber membrane and concentrating for 2-3 times to obtain a concentrated bacterial liquid with a unit colony count up to 1,011 cfu / ml above; adding gelatin, sucrose and whey protein into the concentrated bacterial liquid as wall materials; carrying out spray drying to obtain the microencapsulated lactic acid bacteria starter. According to the preparation method disclosed by the invention, the hollow fiber membrane is combined with a bioreactor to carry out high-density culture and concentration of the lactic acid bacteria, so as to implement online continuous filtration, concentration and culture and avoid pollution due to thallus transfer; the coupled spray drying at a low temperature is carried out to effectively protect the concentrated high-density bacteria, so as to obtain the lactic acid bacteria starter with a unit viable count up to 1*10<11>-1*10<12> cfu / ml.

The invention is applicable to the technical field of automatic instrument control, and particularly relates to a data file storage method, a data file sharing method and terminal equipment. The datafile storage method comprises the following steps: acquiring original data of a data source and configuration information corresponding to the data source; generating a corresponding data file according to the original data of the data source and the corresponding configuration information; wherein the configuration information is located at a preset position in the data file; storing the data files. According to the data file storage method, data storage can be achieved, data collection can be automatically conducted according to the configuration information after the configuration information is configured once, a single data file contains both the configuration information and the data information, the collection and storage functions are rapid. The method is suitable for data collection, storage and forwarding and continuous fault data analysis of a small industrial system.

The invention relates to a substandard ice cream stick pick-out machine. The substandard ice cream stick pick-out machine comprises a conveyer belt and at least one inspection and material removal mechanism. The conveyer belt conveys materials forwards and horizontally. The inspection and material removal mechanism comprises a visual inspection apparatus and a material removal mechanism. The visual inspection apparatus is installed at the position above the conveyer belt and carries out image detection and analysis on ice cream sticks on the conveyer belt, and judges whether one ice cream stick is a substandard product. Operation of the material removal mechanism is controlled according to a judgment result. The material removal mechanism is installed on one side of the conveyer belt, andis located behind the visual inspection apparatus to be used for removing the substandard ice cream sticks. According to the substandard ice cream stick pick-out machine, the visual inspection apparatus above the conveyer belt and the material removal mechanism are used in cooperation with each other to remove the substandard ice cream sticks on the conveyer belt, it is avoided that substandard ice cream sticks are produced and cause harm to consumers, and the operation speed of the whole machine can meet the requirements of users better compared with existing equipment in the market.

The invention discloses an image sensor pixel with the changeable conversion gain and a working method thereof. The image sensor pixel comprises a first photodiode, a charge transmission transistor, a first reset transistor, a source following transistor, a selection transistor, a floating active area, a second photodiode, a second reset transistor, a capacitor and a switch transistor which are arranged in a semiconductor substrate. The drain electrode end of the switch transistor is connected with the floating active area, the source electrode end of the switch transistor is connected with one electrode end of the capacitor, the grid electrode end of the switch transistor is connected with the second photodiode, the other electrode end of the capacitor is connected with the floating active area, the source electrode end of the second reset transistor is connected with the second photodiode, and the drain electrode end of the second reset transistor is connected with a power source. The photovoltaic conversion gain for lowering the sensor pixel in the high illumination environment is used for achieving the purpose of delaying the pixel saturation time, the problem that in the prior art, real object information in the outdoor high illumination environment cannot be easily collected is solved, and the quality of images output by an image sensor is improved.

The invention discloses a comprehensive recycling system for coke dry quenching wastewater, and belongs to the field of energy conservation and environmental protection. The system is characterized inthat cooling water for cooling three water seals of a dry quenching furnace, boiler blow-off wastewater and sampling cooling water are connected into a water storage tank arranged on the ground through a buffer water tank and a pipeline; after boiler blow-down water in the water storage tank is mixed and cooled by water seal cooling water, a liquid level interlocking device arranged in the waterstorage tank controls a centrifugal pump to pump the wastewater into the circulating water pool for reuse, the water storage tank is arranged beside the fly ash silo, and a coke breeze grab bucket isarranged at the upper part of the water storage tank to periodically clean out coke breeze at the bottom of the tank and place the coke breeze in the fly ash silo. The system solves the problems of cyclic utilization of coke dry quenching wastewater and difficult collection of coke powder, and realizes the purposes of energy conservation and environmental protection of coke dry quenching.

The invention discloses a moistening device for a round gypsum product. The moistening device comprises a frame, and a moistening barrel and a filtering barrel which are arranged in parallel in high and low positions on the frame, wherein a discharge opening is formed in the side wall below the moistening barrel, a feed inlet is formed in the side wall above the filtering barrel, and a separating plate for communicating or separating the moistening barrel and filtering barrel is slidably connected between the discharge opening and the feed inlet; a plurality of water filter holes are formed in the bottom of the filtering barrel, a material outlet is formed in the side wall below the filtering barrel, a baffle plate is slidably connected at the material outlet, and the bottom of the moistening barrel and the bottom of the filtering barrel incline along the discharge opening and the material outlet, respectively. According to the scheme, the gypsum product is independently moistened and filtered just by communicating or separating the moistening barrel and the filtering barrel through the separating plate without manual fishing, so that a solution and the gypsum product are conveniently separated, and the bottom of the moistening barrel and the bottom of the filtering barrel incline along the discharge opening and the material outlet, respectively, so that on the one hand, slippage of a material is accelerated, and on the other hand, a purpose of avoiding material residues is achieved.

The invention provides a cutting propagation method for eleutharrhena macrocarpa. The method comprises the steps of seed bed land selection, processing and disinfection; preparation of nutrient bags; collection and treatment of cuttings; cutting; heat preservation, moisture preservation and shading treatment; seedling management. By using the method, the survival rate of cutting can be maximized, vigorous growth of seedlings can be guaranteed, the growth quantity of seedlings can be maximized, and thus the population quantity of eleutharrhena macrocarpa can be increased. The method can effectively guarantee the survival rate of cutting and formation of eleutharrhena macrocarpa seedlings, thereby achieving the objective of population propagation. The cutting propagation technique provided by the invention is also suitable for cutting propagation processes of other species with similar biological characteristics and has the advantages of low cost, simple operation, easy mastering and high survival rate. The method is especially suitable for cutting propagation processes of plants like eleutharrhena macrocarpa.

The invention relates to a membrane spinning device. The membrane spinning device is used for preparing polymer solution into a micro-nano material and comprises an air guide pipe, a high-pressure airflow generator, a spinning nozzle, a liquid supply device and a receiving device. The high-pressure airflow generator and the spinning nozzle are arranged at two ends of the air guide pipe respectively, the liquid supply device is connected with the spinning nozzle, and the receiving device is arranged on one side of the spinning nozzle. The spinning nozzle comprises a flared spinning cavity communicated with the air guide pipe, two ends of the spinning cavity are provided with an injection orifice and an air inlet, the injection orifice is communicated with the spinning cavity and faces the receiving device, and the diameter of the cross section of the injection orifice is smaller than that of the cross section of the air inlet. By adoption of the flared spinning cavity, airflow pressure is effectively increased, solution forms a stable liquid membrane in the spinning cavity, and high airflow velocity is achieved through low airflow pressure; by a negative-pressure box in a collection area, the problem of generation of a great quantity of instable micro-nano fibers difficult to collect under high-speed airflow action is effectively solved.

The present disclosure prevents filth from collecting on a display of a toilet seat device. A toilet seat device of some embodiments is provided with a body part having a casing formed so as to be hollow, a toilet seat that is formed so as to be hollow and is supported in the casing; a light emitter that is accommodated in one of the casing and the toilet seat and is provided so as to be capable of emitting light, and a display that is provided at a prescribed location on the one of the casing and the toilet seat, the display indicating an operation state by emitted light from the light emitter. The display is provided with a base part; and a thin-walled part that is formed so as to have a lower thickness than does the base part, the thin-walled part transmitting light and indicating an operation state.

The invention relates to a preparation method and application of a pyrethroid pesticide magnetic molecularly imprinted polymer, which belongs to the technical field of polymer material preparation. In order to overcome the technical deficiencies of poor selectivity of pollutants in the treatment of pyrethroid pesticide wastewater, high treatment cost and poor treatment effect in the prior art, the present invention provides a method for preparing a pyrethroid pesticide magnetic molecularly imprinted polymer and its Application, the method includes the preparation of polyethylene glycol-coated Fe3O4 magnetic liquid, the preparation of monodisperse magnetic polymer microspheres, the preparation of the composite reaction solution of template molecules and sulfonic acid functional groups, and the sulfonic acid functionalized magnetic properties of cypermethrin. The preparation of the molecularly imprinted polymer involves four steps, and the prepared magnetic molecularly imprinted polymer particles have strong specificity and specificity for pyrethroid pesticides, and are very suitable for the treatment of pyrethroid pesticide wastewater.

A method for carbon resource utilization is disclosed. According to one embodiment, the method includes (a) supplying carbon dioxide to a medium to form bicarbonate ions (HCO3−) (S100), (b) inoculating one or more microalgal species into the medium, followed by photo-culture (S200), and (c) supplying calcium ions (Ca2+) to the medium, where the microalgal species are photo-cultured, to produce calcite (CaCO3)-containing biomass (S300).

The invention relates to the technical field of cosmetics, and discloses an automatic plant mashing device for preparing plant preservatives. The device comprises a juice outlet mechanism, the juice outlet mechanism comprises a juice mashing cylinder, and through cooperative use of an air bag, a push plate, an insulating rod, a mashing stone, a limiting disc and a baffle plate, when juice is collected to a set value, the juice is automatically collected. The situation that a traditional medicine pounding device is difficult to collect juice is changed, more time and labor are saved, through cooperative use of a negative pressure plug and a hydraulic rod, when the juice is collected and the baffle plate is opened, the hydraulic rod is used for driving the negative pressure plug to move, the juice is collected more sufficiently, waste of the juice is reduced, through cooperative use of a rotating shaft, a limiting roller, a second fixed magnet, an inserting plate and an inserting base, after quantitative juice generation is completed, medicine pounding is automatically stopped for collection, meanwhile, negative pressure generation is triggered, therefore the two steps of juice collection and negative pressure generation are linked, the linkage performance of the whole device is improved, and operation is simpler.

The invention relates to a multifunctional material loading trestle bridge of a waste-incineration power plant. The multifunctional material loading trestle bridge comprises a material loading trestle bridge and truck scales, wherein the near-level grade section of the material loading trestle bridge is provided with a foundation pit; the foundation pit is internally provided with the first truck scale and the second truck scale which are mutually parallelly arranged along the longitudinal direction of the material loading trestle bridge; a concrete isolation strip is arranged between the first truck scale and the second truck scale along the longitudinal direction of the material loading trestle bridge on the outer side and is internally provided with more than two inner and outer access holes; the bottoms of the access holes are provided with sewage buckets; the sewage buckets are connected with an external leachate collecting system. According to the technical scheme adopted by the invention, the design is reasonable, so that the problems of non-corresponding relation between a material loading system and a weighing system and difficulty in leachate collection during the waste transportation peak period of an existing waste-incineration power plant can be solved, and the land of the waste-incineration power plant is saved; furthermore waste loading and weighing can be synchronously performed, so that the waste transportation efficiency is improved, environmental pollution is reduced, and the multifunctional material loading trestle bridge is applicable to all types of waste-incineration power plants.

The invention provides a cutting propagation method for eleutharrhena macrocarpa. The method comprises the steps of seed bed land selection, processing and disinfection; preparation of nutrient bags; collection and treatment of cuttings; cutting; heat preservation, moisture preservation and shading treatment; seedling management. By using the method, the survival rate of cutting can be maximized, vigorous growth of seedlings can be guaranteed, the growth quantity of seedlings can be maximized, and thus the population quantity of eleutharrhena macrocarpa can be increased. The method can effectively guarantee the survival rate of cutting and formation of eleutharrhena macrocarpa seedlings, thereby achieving the objective of population propagation. The cutting propagation technique provided by the invention is also suitable for cutting propagation processes of other species with similar biological characteristics and has the advantages of low cost, simple operation, easy mastering and high survival rate. The method is especially suitable for cutting propagation processes of plants like eleutharrhena macrocarpa.