108results about How to "Fast screening" patented technology

The invention belongs to the technical field of video surveillance, and discloses a system and a method for tracking target personnel trajectory based on face recognition technology. The system comprises a face recognition unit, a management unit and a map service unit. A face recognition unit compares a pedestrian snap image generated by an image acquisition device with a face image of a key person stored in advance, and generates a recognition record after matching; a management unit converts the ID information of the image acquisition device in the identification record into corresponding position information; the map service unit extracts matching identification records from the management platform according to an externally inputted screening condition; generating a corresponding identification point on the electronic map according to the position information in the identification record; sorting the identification records according to the time information, connecting lines between the identification points corresponding to the adjacent identification records according to the sorting result to generate a track; the invention can realize the fast tracing and positioning of keypersonnel, greatly shortens the time of manual identification and tracking, and improves the working efficiency.

The invention discloses a neutralizing nano antibody for resisting novel coronavirus SARS-CoV-2 and application thereof, and belongs to the technical field of biological medicine. Variable regions of the neutralizing nano antibody are provided with three complementary determining regions CDR1, CDR2 and CDR3; and the neutralizing nano antibody is any one of (a1)-(a6). The neutralizing nano antibody for resisting novel coronavirus SARS-CoV-2 provided by the invention can be effectively combined with an RBD antigen, can effectively compete with human ACE2 protein to be combined with the RBD antigen after being fused with a human IgGFc tag, has high neutralizing activity on SARS-CoV-2 pseudotype virus, and has important scientific significance and application prospects for prevention and clinical treatment of diseases caused by the novel coronavirus SARS-CoV-2 and research and development of diagnostic reagents.

The invention relates to a rare earth macadam screening device and particularly relates to a rare earth macadam screening device for recovering rare earth wastes. The technical problem to be solved by the invention is to provide a rare earth macadam screening device for recovering rare earth wastes, and the rare earth macadam screening device is good in screening effect, high in screening speed, capable of adjusting the charging flow of a charging hopper, high in utilization ratio and capable of reducing economic loss and saving resources. In order to solve the technical problem, the invention provides such a rare earth macadam screening device for recovering rare earth wastes; the rare earth macadam screening device comprises a bottom plate, a screening barrel, a side plate, a vertical moving device, a first supporting rod, a first charging hopper, a box door, a first connecting rod, a slide block, a second connecting rod, a U-shaped magnet and the like; and the middle of the top of the bottom plate is provided with the screening barrel. According to the rare earth macadam screening device for recovering rare earth wastes, provided by the invention, the rare earth wastes in an iron screening plate are screened by rotating the iron screening plate.

The invention relates to screening equipment, in particular to concrete raw material screening equipment for bridge guardrail pouring. The invention aims to solve the technical problem of providing the concrete raw material screening equipment for bridge guardrail pouring, which achieves the effects of being time-saving, labor-saving, and high in screening speed; and during screening, concrete raw materials are not liable to spill out, so that the concrete raw materials are not wasted. In order to solve the technical problem, the concrete raw material screening equipment for bridge guardrail pouring, which is provided by the invention, comprises a bottom plate, a collecting frame, L-shaped supporting plates, a discharging hopper, a screening frame, and the like, wherein the collecting frame is mounted at the middle of the top of the bottom plate in a bolted connection manner; and the L-shaped supporting plates are respectively mounted on the left side and the right side of the top of the bottom plate in the bolted connection manner. The concrete raw material screening equipment for bridge guardrail pouring, which is provided by the invention, achieves the effects of being time-saving, labor-saving and high in screening speed; and during screening, concrete raw materials are not liable to spill out, so that the concrete raw materials are not wasted.

The invention discloses a screening device for activated carbon processing. The screening device comprises a shell, and the shell is of a cylindrical structure with an opening in the side edge, a fixing shaft is arranged in the shell, a fixing base fixedly sleeves the fixing shaft, an annular sliding groove is formed in the top of the fixing base, a first catch tray movably sleeves the fixing shaft and is located above the fixing base, an annular sliding block is fixed to the bottom of the first catch tray and is arranged in the sliding groove in the top of the fixing base in a sliding mode, amounting hole is formed in the bottom of the first catch tray, a screen is arranged in the mounting hole, a gear ring is arranged at the side edge of the first catch tray, the bottom of the first catch tray communicates with a material taking pipe, and a shut-off valve is arranged at the pipe section of the material taking pipe. According to the screening device, activated carbon with multiple particle sizes can be conveniently screened in a large scale, the screening speed is high, material conveying is convenient, the operation is very simple, the structure is novel, and the practicabilityis good.

The invention relates to a rare earth gravel screening device, in particular to the rare earth gravel screening device for rare earth waste recycling. The invention aims to solve the technical problemof providing a rare earth gravel screening device for rare earth waste recycling convenient to screen rare earth gravel, fast in screening speed, high in screening efficiency and convenient to move.The rare earth gravel screening device for rare earth waste recycling includes a base plate, a left supporting plate, a right supporting plate, a collecting box, a first supporting rod, a collecting hopper and the like. The left side of the top of the base plate is provided with the left supporting plate and the right side of the top of the base plate is provided with the right supporting plate. The middle of the top of the base plate is provided with the collecting box. The middle of the right side surface of the left supporting plate is provided with the first supporting rod and the right end of the first supporting rod is connected with the collecting hopper. According to the rare earth gravel screening device for rare earth waste recycling, the effects that rare earth gravel screeningis convenient, the screening speed is rapid, screening efficiency is high and movement is convenient are achieved.

The invention discloses a threaded screening machine. A first inner groove and a second inner groove are formed in the opposite side walls of a first positioning block and a second positioning block which can be capable of sliding to each other, on a rack, and are matched with the circumferential outer side walls of nuts; a discharging hole of a feeder is formed right above a position between the first positioning block and the second positioning block; a pushing block and a gauge are positioned on both axial sides of the first inner groove and the second inner groove respectively, and are collinear with the axis of an assembly of the first inner groove and the second inner groove; the gauge can rotate in the circumferential direction and can be slidably positioned on the rack in the axial direction; the pushing block can slide in the axial direction and can be locked and positioned on the rack in the circumferential direction; a first power device, a second power device, a third power device and a fourth power device can drive the pushing block, the gauge, the first positioning block and the second positioning block to move; a controller is used for controlling the motions of the first power device, the second power device, the third power device and the fourth power device respectively. The threaded screening machine is high in screening speed, high in production efficiency, high in screening accuracy and low in labor intensity; an operator only needs to operate screening equipment to take an unqualified product out.

The invention discloses an insurance policy responsibility detail checking method and device. The method comprises the steps that the bill data and the insurance policy data of an insurance claim caseto be checked are acquired; the bill cost and the diagnosis and treatment type in the bill data are matched with the responsibility detail information in the insurance policy data through the pre-edited responsibility detail checking rules; and the optimal responsibility detail information corresponding to the bill data are determined from the insurance policy data according to the matching result. With application of the scheme, the optimal responsibility detail information can be automatically selected out of multiple responsibility detail information of the corresponding insurance policy data according to the bill data of the insurance claim case to be checked in a screening way. The whole automatic screening process is automatically performed without manual participation, and the screening process has fast speed and high accuracy so that a lot of manpower resources can be saved, the error rate can also be effectively reduced and the timeliness and the accuracy of the insurance policy responsibility detail checking process can be enhanced.

The invention discloses a method for quickly screening steady-state condition data in large-scale process data. The method comprises the steps that A, steady-state data screening is initialized; B, a sliding window moves from a starting point to an ending point of data, a new data point enters the sliding window every time the sliding window moves, meanwhile, the starting point of the original data in the sliding window is abandoned, and a mean value and a standard deviation of the new data in the sliding window are calculated; C, the standard deviation of n pieces of new data contained in the sliding window is compared with a standard deviation threshold value delta y, and corresponding screening operation is performed according to the comparison result; and D, the data at the two ends of a selected steady-state data segment are deleted, and the calculation accuracy of a data steady-state value is improved. Through the method, defects in the prior art can be overcome, and the screening speed of the large-scale process data is increased.

The invention discloses a length-adjustable type screening device of a granulator. The length-adjustable type screening device comprises a tank body, wherein a vibrator is arranged at one side of the inner wall of the tank body; the top of the tank body communicates with a feeding hole; a length-adjustable type screening plate is arranged in the tank body; the length-adjustable type screening plate comprises a screen plate; the bottom of the screen plate is movably connected with a baffle rack; a baffle block is arranged on the baffle rack; a convex block is arranged on the baffle block; the baffle block is fixedly connected with a connecting rod through the convex block and a nut; one end of the connecting rod is fixedly connected with a straight rod; and a discharge hole is formed in one side of the tank body. According to the length-adjustable type screening device, the length-adjustable type screening plate which comprises the screen plate and the baffle rack is arranged, so that size of screen holes in the screen plate is regulated by sliding the baffle rack, and therefore, people can screen plastic particles with different lengths. The length-adjustable type screening device is simple in structure, convenient for people to use, and convenient for people to regulate the size of the screen holes by arranging scale marks on the connecting rod.

Disclosed in the invention is a screening apparatus of a bottle cap hoop. A circular-truncated-cone-shaped cavity is formed in the bottle cap hoop. The screening apparatus comprises a working groove (1), a detection head (3), and a guiding rail (4). The bottle cap hoop is located in the working groove (1) and the axial direction of the bottle cap hoop is perpendicular to the length direction of the working groove (1), so that the bottle cap hoop can roll in the working groove (1). A guiding hole and a turning port (2) are respectively formed in side walls at the tow ends of the working groove (1); and the guiding hole and the turning port (2) are symmetric at the length direction of the working groove (1). One end of the guiding rail (4) is arranged at the outer edge of the turning port (2); and the detection head (3) having a cylindrical structure can extend into the working groove (1) through the guiding hole. With the screening apparatus, bottle cap hoops in a chaotic mode can be screened effectively.

The invention relates to screening equipment, in particular to agricultural soybean grading and screening equipment. The invention aims to provide the agricultural soybean grading and screening equipment which is good in screening effect and high in screening rate, and different sizes of soybeans cannot be screened out together. In order to solve the technical problem, the agricultural soybean grading and screening equipment provided by the invention comprises a base plate, supporting rods, a top plate, a vertical rod, a screening box, a first screen plate, a first guide sleeve, a baffle plate, a first limiting block, a second limiting block, a motor and the like, wherein the supporting rods are symmetrically mounted on the left side and the right side of the top of the base plate; the topplate is mounted between the tops of the supporting rods on the left side and the right side; the vertical rod is mounted on the right side of the bottom of the top plate; the screening box is mounted at the bottom of the vertical rod rotatably. According to the agricultural soybean grading and screening equipment, through a secondary screening device, the soybeans can be further screened, the soybean screening effect is better, and the effects that the screening effect is good, the screening rate is high, and the different sizes of soybeans cannot be screened out together are achieved.

The invention provides influenza A-type influenza virus neuraminidase (NA), a gene and a preparation method thereof as well as a construction method of a screening model of an influenza virus neuraminidase inhibitor. Particularly, influenza A-type influenza virus H1N1 subtype neuraminidase is secretly expressed by pichia pastoris to obtain the neuraminidase with biological activity, and particularly, the truncated neuraminidases of 82 amino acids at N end of an NA full-length sequence is removed, so that an operation process of the NA prepared by totivirus, which is complicated, consumes time and has a safety problem, is avoided. According to the invention, the A-type influenza virus H1N1 subtype neuraminidase inhibitor screening model is also constructed by utilizing the neuraminidase; and the influenza virus H1N1 subtype neuraminidase has the advantages of definite mechanism of drug action, less material consumption, quick screening speed, high sensitivity, easy realization of high throughput screening and the like.

The invention discloses a method of screening transgene cole through dipping seeds into kanamycin solution. The cole seeds having undergone transgene processing are dipped into the 0.18-0.30 percent kanamycin solution for processing for 12-24 hours and then are sowed in the soil which does not contain kanamycin, and the green seedlings growing normally are screened as the transgene plants after 2-3 days. The method of screening transgene cole is applicable to screening of a large amount of transgene cole seeds with simplicity, quickness, high efficiency, and reliability.

The invention provides a preparation method of an in-capillary immobilized enzyme microreactor. A glutaraldehyde bonding method is used for fixing neuraminidase at the outlet end of a capillary. According to the method, the glutaraldehyde bonding method is used for fixing the neuraminidase on the inner wall of the capillary for the first time, and the immobilized enzyme microreactor can be continuously used for more than 1 month; remarkable reduction of the activity of the neuraminidase is avoided, and the stability of the neuraminidase is greatly enhanced, so that the using amount of the neuraminidase is reduced to a great extent; the enzyme microreactor is fixed at the outlet end of the capillary during separation, so that the effective length of sample separation is decreased, and the separation efficiency is greatly improved; the preparation method comprises simple steps, is convenient to operate and high in screening speed, and can be widely applied to the screening of neuraminidase inhibitor.

The invention relates to screening equipment, in particular to fine sand screening equipment for construction. The technical problem to be solved is to provide the fine sand screening equipment for the building, which can automatically discharge sand and is relatively high in screening speed. The fine sand screening equipment for construction comprises a bottom plate used for supporting the whole equipment, a base arranged at one side of the upper part of the bottom plate, a cylinder arranged at the upper part of the base, a pushing mechanism arranged at the upper part of the bottom plate, and a discharging mechanism arranged at the side, close to the cylinder, of the upper part of the bottom plate. According to the fine sand screening equipment, the effects that the sand can be automatically discharged, and the screening speed is high are achieved; and stone sand is discharged into a screening frame, the cylinder drives a push rod and the screening frame to move, and therefore the stone sand can be rapidly separated.

The invention discloses a method for rapidly screening farm chemical residues in vegetables. The method comprises the following steps: step 1, sample pretreatment; step 2, chlorophyll removal; step 3, qualitative analysis; step 4, quantitative analysis. In the first step, firstly, vegetable leaves of leaf vegetables are cut into pieces and put into a homogenizer to be ground uniformly, and part of pulp with skins of solanaceous vegetables, bulbs, brassica vegetables, melons and legume vegetables is put into the homogenizer to be ground uniformly, so that a sample is prepared. The method is safe and reliable, the screening method is high in screening speed and convenient to use, chlorophyll can be conveniently removed before screening by adding the step of removing chlorophyll in vegetables, sensitivity is improved, screening is convenient, and by using the screening method, 83 farm chemicals with high toxicity, common use and high residual risk and metabolite parameters thereof can be conveniently screened out, the types of the farm chemicals capable of being screened out are more comprehensive, and the method is convenient to popularize and use.

Trifolium pratense isoflavone is an important phytoestrogen, has an important clinical medicinal value, is an important biochemical ingredient of a plant to cope with adversity stress, and is closelyrelated to various factors such as an environment, a growth cycle and plant after-treatment. Accurate quantitation of isoflavone is a critical foundation of research and applications; however, standard substances used for a quantitation process of trifolium pratense isoflavone are inconsistent at present; relevant studies on errors arising from the inconsistent standard substances are absent. Theinvention discloses a method which adopts 2-4 compounds for thin-layer chromatography calibration of a plant sample on a basis of summarized ultraviolet absorption rules of major compounds of trifolium pratense isoflavone so as to quickly screen the standard substances used in the plant sample to be determined. Via verification by high performance liquid chromatography, the method is scientific and reliable, simple, mature and reliable in technology, low in detection cost, and easy to realize outside a laboratory, saves time and labor, and has low requirements on a detection environment, goodextensibility and huge application and development prospects.

The invention relates to screening equipment, in particular to screening equipment for soybean processing. According to the screening equipment for soybean processing, the screening speed is high, and labor force is saved. The screening equipment for soybean processing comprises a mounting frame, a screening device, a connecting rod, a dust removing device, a placing plate, a second frame body and the like. The screening device is arranged on the left portion in the mounting frame. The connecting rod is arranged in the middle of the right wall in the mounting frame. The dust removing device is arranged on the left side of the connecting rod. The placing plate is arranged on the upper portion of the right wall in the mounting frame. The second frame body is arranged on the top of the placing plate. A mesh pipe is arranged on the lower portion of the left wall of the second frame body and penetrates through the dust removing device. A valve is arranged on the left portion of the mesh pipe. Soybeans are subjected to dust removing processing through the dust removing device, impurities and dust in the soybeans are processed, then the soybeans with different sizes are separated through the screening device, and the screening speed is high.