45 results about "Screening procedures" patented technology

The present disclosure is a screening procedure allowing the identification of inhibitors of cell envelope proteases (CEP) in pathogenic bacteria by using lactic acid bacteria (LAB). The screening platform can be used to screen compound libraries, and thus generate a high throughput evaluation of drug candidates, and as exemplified below one screening of 6808 compounds has resulted in the identification of 20 compounds inhibiting the CEP of Lactococcus lactis.

A production green quality comprehensive evaluation method for a distribution transformer comprises the steps of collecting data, forming a quality detection index matrix, a production energy consumption index matrix and a carbon footprint characteristic index matrix, screening procedures which have great influence on energy consumption by using a K-means clustering algorithm, constructing a production energy consumption index set, updating the production energy consumption index matrix, and evaluating the production green quality of the distribution transformer. And performing normalization processing on various index matrixes to form a normalized index data matrix. On the basis, respectively calculating the weight of each index by adopting a CRITIC method and an entropy weight method to obtain an overall CRITIC weight vector and an overall entropy weight vector; according to a minimum identification information principle, solving an optimal combination weight through a Lagrange multiplier method; and calculating a comprehensive evaluation score and a corresponding grade. The multi-dimensional data fusion mode can reflect the green production quality of the distribution transformer more comprehensively and accurately.

The utility model relates to a coal mine screening device which comprises a screening box, and a multi-stage screening mechanism used for screening a coal mine is arranged in the screening box; the discharging barrel is installed above the screening box, a turnover mechanism and a drying mechanism are arranged in the discharging barrel, and a feeding opening is formed in the top end of the discharging barrel; the supporting frame is arranged on the ground, the top end of the supporting frame is connected with a mounting part, and the discharging barrel is fixedly connected to the mounting part. Therefore, through the multi-stage screening mechanism, the whole device can achieve the vibration grading screening effect, the raw materials can be divided into different grades according to the particle size, and therefore targeted application of the follow-up raw materials is facilitated. The raw materials can be fully overturned by the overturning mechanism, the raw materials can be dried when the whole device is used in cooperation with the drying mechanism, the raw materials can be overturned and dried through cooperation of the operation, the dryness of the raw materials during screening is guaranteed, and the screening effect of the follow-up screening procedure is further guaranteed.

The invention discloses a high-protein sunflower seed oil preparation method. The method comprises a raw material feeding and cleaning process; metering and grading; the graded sunflower seed raw materials are obtained from the corresponding stock bins according to the current processing parameters, and sunflower seed husks are peeled off from sunflower kernels through a centrifugal husking machine; a kernel and shell screening and separating procedure: sequentially carrying out primary size screening and fine type screening on a mixed material of the husked sunflower seeds and sunflower kernels, separating the sunflower kernels from the mixed material, and carrying out a subsequent treatment procedure as finished product kernels; preparing oil from sunflower kernels; and grinding and packaging the protein. Various impurities in the sunflower seed raw materials are removed through the feeding and cleaning procedure, then the sunflower seed raw materials are divided into several processing specifications according to the set standard through the metering and grading procedure, the accuracy and the processing efficiency of the follow-up shelling procedure and the screening procedure are improved, accurate output of sunflower kernels is guaranteed through accurate primary screening and fine screening, and the production efficiency of the sunflower seeds is improved. Therefore, the quality of oil production and protein production is improved.

The invention discloses a sand mold casting waste sand recovery treatment device, and relates to the technical field of sand mold recovery, the sand mold casting waste sand recovery treatment device comprises a treatment device box body, the treatment device box body is internally provided with a large cavity and a small cavity, the top of the treatment device box body is fixedly connected with a feed inlet, and the bottom of the treatment device box body is fixedly connected with a base frame; a screening assembly is arranged on the treatment device box and comprises a first motor fixedly connected to the outer surface of the treatment device box through bolts, and an output shaft of the first motor penetrates into the treatment device box. The rotatable screen and the second material guide plate impact the screen to form flapping, small-particle gravel blocks clamped in holes of the screen body of the screen are flapped off, then the screen body of the screen can be effectively cleaned, the situation that due to the fact that the holes of the screen body of the screen are blocked, the normal screening procedure cannot be carried out is avoided, and the screening efficiency is improved. And normal gravel screening operation of the screen is guaranteed, the step of manual cleaning is reduced, and the screen can be repeatedly used.

The invention discloses a production method of high-quality cold-pressed sesame oil, and relates to the field of cold-pressed sesame oil, and the production method of the cold-pressed sesame oil comprises the following steps: S1, screening; s2, hardening and tempering the raw materials; s3, a squeezing process; s4, a multi-stage fine filtration process; and S5, a storage process. In the whole production process, through multiple screening procedures, combination of magnetic separation, a vibrating screen and a specific gravity stoning machine and multiple times of screening, stoning and magnetic separation operation, various impurities in sesame can be efficiently removed, the purity of raw materials is guaranteed, raw material tempering is conducted through spraying humidification and constant-temperature heating, moisture and temperature parameters are accurately controlled, and the production efficiency is improved. According to the sesame oil press, the plasticity of sesame is improved, the yield is further improved, the oil pressing effect and the oil yield are effectively guaranteed by combining sectional operation of sectional type cold pressing, primary pressing and secondary pressing and a pressing machine with a machine core water cooling function in the pressing procedure, and the clarity of sesame oil is remarkably improved by controlling parameters such as filtering equipment, temperature, hole diameter and pressure through multi-stage refined filtration.

The utility model provides a baking machine with a screening device, and belongs to the technical field of food processing. Comprising a machine body, a parching assembly is rotationally arranged in the machine body, and a screening device is arranged at a discharging opening of the parching assembly; the screening device comprises a flow dividing box, a screen plate is arranged on the flow dividing box, the screen plate is arranged at a discharging port of the baking and frying assembly in an arc shape from the bottom of the discharging port in the discharging and rotating direction of the baking and frying assembly, and a movable screen plate is arranged in the flow dividing box. The device has the advantages that materials fall into the flow dividing box through the discharging opening, and scraps are preliminarily separated through the sieve plate and the movable sieve plate; the chips and the small particles enter the flow dividing box through the screening holes, the screening device is directly integrated to the discharging opening of the baking and frying assembly, the screening procedure is synchronously completed when discharging is conducted after baking and frying are completed, the additional screening procedure after collection is not needed, the machining process is effectively shortened, and the production efficiency is improved.

A sequence-to-fixed-length transformation is used to process a sequence representation of a molecule structure to yield a fixed-length representation. A transformation of the fixed-length representation yields a prediction of one or more properties of the molecular structure. For example, the molecular structure is a candidate drug and the process described above is part of a screening procedure.

A system for short-term screening and triage of a subject includes a smart device in the subject's possession and an application on the smart device programmed to provide instructions to the subject to start a screening procedure, the application programmed with multiple screening procedures, and record sensor data obtained from a sensor located in the smart device.

The invention discloses a solid sodium silicate preparation process based on particle size controllable water quenching, and relates to the technical field of inorganic silicate chemical industry, and the preparation process comprises the following specific steps: S1, melting and homogenizing raw materials; s2, particle size controllable water quenching; s3, carrying out solid-liquid separation and online grading; and S4, deep drying and packaging. According to the invention, the innovation and simplification of the production process are realized: through an atomization-cooling one-step forming method, high-energy-consumption crushing and screening procedures in the traditional process are thoroughly eliminated, the process flow is shortened, and the equipment investment and maintenance cost are reduced; solid particles with high sphericity and smooth surfaces are directly generated, the product fluidity is good, the bulk density is stable, the whiteness is high, the caking tendency is avoided in the subsequent dissolution process, the dissolution rate is higher, and the application performance is excellent.

The invention relates to the technical field of corn processing, in particular to an efficient corn kernel harvester with an arrangement conveying structure, which comprises an outer frame and a positioning frame, a feeding groove is arranged at one end of the top surface of the outer frame, the positioning frame is fixedly mounted at the middle section of the interior of the outer frame, and a rotating rod is rotatably arranged at the center of the interior of the positioning frame; a storage plate is fixedly mounted on one side of the rotating rod in the positioning frame; according to the invention, firstly, a plurality of groups of corn cobs are dynamically clamped so as to be compatible with the corn cobs with different specifications and realize a parallel multi-cob threshing effect, secondly, a cooperative mode of axial rotation and transverse, longitudinal and radial slicing is adopted to realize multidirectional composite threshing and force the corn cob threshing rate to be stably improved, and finally, through integrated sorting and discharging, the corn cob threshing efficiency is improved. Secondary threshing and screening procedures are compelled to be completed synchronously, the broken core mixing rate is effectively controlled, and the corn harvesting quality and efficiency are improved.

The invention pertains to the use of a specific biomarker of elastin degradation (desmosine) that measures the extent and progression of chronic obstructive pulmonary disease (COPD). In addition to potentially serving as a screening procedure for COPD, it provides a real-time measure of COPD drug efficacy and may therefore supersede the use of less sensitive tests such as pulmonary function studies and computed tomography. Equally important, the current invention constitutes a marked improvement for measuring desmosine in tissues and body fluids by greatly shortening the time for detection of this molecule in liquid chromatography-tandem mass spectrometry (LC-MS-MS) assays that are the gold standard for such measurements. Unlike previous methods, the invention allows for the use of LC-MS-MS without modification, so the method can be applied to any laboratory that uses this equipment for other measurements. This would include forensic facilities that need to determine if undiagnosed COPD played a role in the loss of life.

The invention relates to an automatic emulsified granular ammonium nitrate fuel oil explosive raw material feeding system which comprises a feeding box, a feeding hopper connected to the top of the feeding box and a receiving device arranged on the feeding hopper and further comprises a screening mechanism. The screening mechanism is arranged on the feeding box and comprises a swing assembly arranged on the side face of the feeding box, a screen assembly arranged on the swing assembly, two collecting assemblies arranged on the feeding box, sweeping assemblies arranged on the collecting assemblies and a restraining assembly arranged on the swing assembly. The feeding mechanism is arranged to be matched with the screening mechanism, so that the uniform and stable continuous screening process of the raw materials is achieved, and the technical problem that the continuous and stable operation of the feeding system is restricted due to the bridging phenomenon caused by accumulation in the screening procedure of raw material feeding due to the poor fluidity of the materials is solved.

The utility model relates to the technical field of modified plastic particle production, in particular to a drying and screening all-in-one machine for modified plastic particle production, which comprises a screening machine, a conveyor, a feeding hopper, a heat preservation cover, a fixing block and a heating pipe. The heat preservation cover covers the conveyor, the heating pipes are fixed to the inner side face of the heat preservation cover through the fixing blocks, and the heating pipes are horizontally arranged. A heat preservation cover is arranged at the position of the conveyor, modified plastic particles conveyed in the conveyor are dried through the heating pipe, and after the modified plastic particles enter the screening machine, the device achieves the screening procedure of the modified plastic particles and completes drying of moisture of the modified plastic particles.

The utility model relates to the technical field of screening, and discloses a stirring and screening device which comprises a rack, a hopper arranged on the rack, a stirring mechanism arranged in an inner cavity of the hopper, a screening disc arranged below an outlet of the hopper, a screening mechanism connected with the screening disc and a driving mechanism arranged on the rack. A plurality of screening holes are formed in the screening disc; and the driving mechanism is in transmission connection with the stirring mechanism and the screening mechanism, and the driving mechanism is used for driving the stirring mechanism to stir the materials in the hopper, driving the screening disc to reciprocate when driving the screening mechanism to operate, and screening the materials with different particle sizes. By arranging the driving mechanism, the stirring mechanism and the screening mechanism can be driven to operate synchronously, so that materials in the hopper are stirred and scattered, the materials are screened through the screening disc, the stirring and screening procedures are completed in one device, higher efficiency is achieved, and the size and manufacturing cost of the device are reduced.

Methods and systems for managing operations of a data processing system are disclosed. To manage operations of the data processing system, a hardware resource of the data processing system may identify that a device is operably connected to the data processing system. A management controller of the data processing system may perform a screening procedure to determine whether the device is an any known good device. If the device is not the any known good device, the device may be denied access to the data processing system to reduce an impact of the device on the operation of the data processing system. If the device is the any known good device, the device may be allowed access to the data processing system to perform functions of the device. Computer-implemented services may be provided using the device.

The present invention discloses a Cu-MOF material for specifically enriching antioxidant peptides and its preparation and application method. The Cu-MOF is an organic metal framework material with Cu as the metal atom and a specific surface area of ​​1300 to 1500 m 2 / g, pore diameter is #imgabs0#, pore volume is 0.6~0.8cm 3 / g, the Cu metal atoms of the Cu-MOF and the antioxidant peptides specifically and selectively adsorb each other through chelation, and the huge specific surface area and micropore volume significantly increase the contact area of ​​the chelation, greatly improving the purification efficiency of the antioxidant peptides, greatly simplifying the subsequent chromatographic screening procedure, and reducing the manual operation of the staff while maintaining the purity and quantity of the obtained antioxidant peptides.

Security control system with - a baggage drop-off area (1) with one or more drop-off stations (1a, 1b, 1c) for checking baggage from one person into at least one load carrier (2), - a baggage screening station (3) for imaging examination of baggage, - a baggage claim area (6) with one or more collection stations (6a, 6b, 6c), - a transport system (8) for transporting the luggage-laden load carriers (2) from the luggage drop-off area (1) via the luggage control station (3) to the luggage pick-up area (6) and for the return transport of empty load carriers (2) to the luggage drop-off area (1), characterized in that at least one first monitoring device (15) for detecting the loading status of the load carriers (2) is provided in each of the existing drop-off stations (1a, 1b, 1c).

The utility model provides a kind of sulphuric acid residue efficient utilization sintering equipment, including sintering furnace, the side of sintering furnace is provided with screening cylinder, spiral disc is fixedly connected in the screening cylinder.The utility model has the advantages that: the inertia of sulphuric acid residue with higher iron element content is stronger, it moves to discharge plate over drop hole, and rolls to screening box along discharge plate.Start motor drives magnetic roller to rotate, sulphuric acid residue in screening box falls on magnetic roller under the action of inertia, sulphuric acid residue with more iron content relative to its mass is adsorbed and driven to rotate by magnetic roller, sulphuric acid residue with less iron content relative to its mass flows along magnetic roller to enter discharge cylinder at through hole, so that the magnetic separation of sulphuric acid residue is realized.Sulphuric acid residue with higher iron element content enters sintering furnace through material passage, and completes ironmaking work with other ironmaking raw materials.Sulphuric acid residue is automatically screened, and two screening procedures are passed, and ironmaking raw material has higher iron element content, which is conducive to improving ironmaking quality.

The utility model relates to the technical field of agricultural mechanical equipment, in particular to a corncob loading and unloading device which comprises a device main beam, a device auxiliary beam, a first side beam and a second side beam, one end of the device main beam is connected with the top of the first side beam, and the other end of the device main beam is connected with the top of the second side beam. One end of the device auxiliary beam is connected with the bottom of the first side beam, the other end of the device auxiliary beam is connected with the bottom of the second side beam, a first connecting rod is connected between the device main beam and the device auxiliary beam, a main beam supporting plate is installed in the middle of the device main beam, a second connecting rod is installed on the inner wall of the first side beam, and a third connecting rod is installed on the inner wall of the second side beam. According to the corn kernel screening device, corn kernels can be directly leaked, the grain screening procedure of a high sieve is omitted, and the operation efficiency is higher. Secondly, the forklift directly loads and unloads corncobs with sufficient power, and the grain screening effect is better.

The utility model provides a kind of recycled aluminium screening separation device, belong to solid separation technical field, for solving aluminium turnings screening procedure coherence is poor, equipment automation degree is low Problem.The recycled aluminium screening separation device of the utility model includes screening subassembly, magnetic separation subassembly and control system.Screening subassembly is connected in the discharge end of feed assembly.Screening subassembly includes multiple layers of screen and multiple variable frequency vibration motor.The output end of each variable frequency vibration motor is connected to a screen.Magnetic separation subassembly is arranged inside screening subassembly.Control system is connected to feed assembly and screening subassembly respectively.Control system can dynamically adjust the feeding speed of feed assembly and the vibration frequency of each variable frequency vibration motor according to the real-time load of each layer of screen.The utility model realizes the continuous, efficient, automated and intelligent screening separation of aluminium turnings, improves production efficiency, reduces aluminium turnings loss, and can reduce impurity content to below 0.5%.

The utility model discloses a raw material screening device for self-heating rice food processing, which comprises a machine body and further comprises a screening mechanism, the screening mechanism is arranged in the machine body, and the screening mechanism comprises a hopper, a conveying plate, a vibration motor, a cleaning hole and a fan. A hopper for storing rice grains to be screened is installed at one end of the top of the machine body, a conveying plate is obliquely arranged in the machine body, a vibration motor drives the conveying plate to continuously vibrate to achieve the screening effect, the rice grains and impurities are continuously jumped up while the rice grains are obliquely conveyed, and meanwhile a draught fan operates to laterally discharge air; light impurities such as rice hulls are blown away from the side edge and fall into the bottom end of the interior of the machine body, rice grains fall into the surface of the conveying plate and are gradually conveyed to the next screening procedure, rice raw materials are screened efficiently and conveniently, and the screened impurities can be conveniently and intensively cleaned through cleaning holes.

The utility model discloses an intelligent glass bottle screening device, and belongs to the technical field of glass bottle screening. The screening device comprises a conveying belt, the conveying belt is provided with a bearing block, the bearing block is provided with a bearing groove so as to contain glass bottles, and the bearing groove penetrates through the bearing block; the feeding mechanism is located at the starting end of the conveying belt, and the glass bottles fall to the bearing block in a horizontal state; the color recognition device is connected with the conveying belt and used for recognizing the color of the glass bottle; and the sorting device is in communication connection with the color recognition device, the sorting device is located on the side, close to the terminal end of the conveying belt, of the color recognition device, the sorting device comprises a push rod, and the push rod is provided with a sorting position stretching into the bearing groove and a standby position far away from the bearing groove. The technical problem that rapid and automatic sorting of the glass bottles is difficult in the current glass bottle screening procedure is solved.

The invention relates to a concrete aggregate crushing and screening device which comprises a screening roller, a plurality of screening holes, a plurality of supporting rods and a plurality of supporting rods. The crushing roller is arranged in the screening roller, and the axial direction of the crushing roller is parallel to the axial direction of the screening roller; the rotary sliding assemblies are arranged at the two ends of the screening roller and comprise rotating parts capable of rotating relative to the screening roller and sliding assemblies arranged on the rotating parts in a sliding mode, and the sliding assemblies are connected with the two ends of the crushing roller; the driving assembly is connected to the screen roller and the rotating part and used for driving the screen roller and the rotating part to rotate; and when the driving assembly drives the rotating part to rotate, the sliding assembly slides under the action of centrifugal force and drives the crushing roller to translate, so that the outer circumferential surface of the crushing roller is close to the inner circumferential surface of the screening roller. The crushing effect can be dynamically optimized according to actual working conditions, and the efficiency and adaptability of crushing and screening procedures are improved.

The utility model discloses a collagen raw material pretreatment multistage cleaning screening integrated machine, including the box, the top of box is provided with the feed inlet, the box is divided into preflushing area, high pressure sprinkling area and screening area in proper order along raw material processing flow, be provided with first conveyer in preflushing area, the top of first conveyer is arranged with preflushing pipe, be provided with second conveyer in high pressure sprinkling area, the top of second conveyer is installed with high pressure sprinkling pipe, be provided with vibration box in screening area, install multilayer vibrating screen in vibration box. Advantageous effects: the utility model discloses by with the screening procedure integration in the same equipment in cleaning procedure, raw material enters after feed inlet, can complete preflushing, high pressure sprinkling cleaning and multistage screening operation in proper order, need not manual transfer, greatly reduces manual operation, reduces labor intensity, shortens processing cycle simultaneously, improves production efficiency.

The invention discloses a DHA (docosahexaenoic acid) production strain and application thereof, and belongs to the technical field of microorganisms. According to the present invention, by using the ARTP mutagenesis technology, the screening procedures such as shake flask adaptive screening, plate pre-screening, shake flask primary screening and shake flask secondary screening are respectively utilized to superpose dominant mutation, such that the strain capable of producing DHA at the high yield by using the inorganic nitrogen source is obtained through screening, the strain has good passage stability, and the DHA yield can be maintained at more than 54 mg / L after the passage is performed for more than 5 times; the strain can maintain high DHA fermentation capability in a culture medium in which inorganic nitrogen source nitrate is used for replacing part of organic nitrogen sources, and is suitable for industrial production.

The utility model discloses automatic sorting equipment for cold heading steel balls, and relates to the technical field of steel ball sorting, the automatic sorting equipment comprises a fixed box, a first sorting hopper and a second sorting hopper, a sleeve plate is rotatably arranged between two connecting rods, and the first sorting hopper and the second sorting hopper are both fixedly sleeved in the sleeve plate. According to the cold heading steel ball sorting device, the first sorting hopper, the second sorting hopper, the gear and the rack are arranged, a plurality of cold heading steel balls are placed in the first sorting hopper and the second sorting hopper, when the gear rotates, the first sorting hopper and the second sorting hopper can swing, and the steel balls with small sizes can be sorted out through the first sorting holes; according to the steel ball sorting device, the first sorting hopper and the second sorting hopper are turned over, so that the multiple steel balls can fall into the second sorting hopper, the multiple second sorting holes can sort out the steel balls with the large size, the steel balls do not need to be repeatedly screened, the screening procedure is reduced, and the screening efficiency of the steel balls is improved.

The utility model relates to the technical field of grain elevator, in particular to a single-drive hose grain elevator. According to the technical scheme, the screening device comprises a box body and a screening mechanism fixed to the inner wall of the box body, the screening mechanism comprises a primary screening fan fixed to one side of the outer wall of the box body, a fixing plate is fixedly connected to the position, located at the lower end of the primary screening fan, of the inner wall of the box body, and a plurality of first baffles are fixedly connected to the other side, corresponding to the primary screening fan, of the inner wall of the box body; a secondary screening mechanism is arranged at the bottom end of the inner wall of the box body and comprises a second baffle fixed to the bottom end of the fixing plate, a secondary screening fan is fixedly connected to the end, corresponding to the second baffle, of the other side of the inner wall of the box body, and a conveying mechanism is arranged on one side of the outer wall of the box body and comprises a driving motor. The single-drive hose grain elevator has the functions that grains are screened, empty and unqualified rice is removed, the subsequent screening procedure is omitted, and the subsequent procedure is facilitated.

Method for cargo security screening with multiple viewing angles for screening an object (2) using a cargo security screening system, wherein the cargo security screening system comprises a radiation source (1) for generating a beam of radiation for scanning the object (2) to be screened and a data collection unit (3) for collecting the scanning projection data after the beam of radiation has scanned the object (2) to be screened, wherein the method comprises a scanning step comprising: Rotating the radiation source (1) and / or the object (2) about an axis of rotation to achieve a relative rotation, thereby positioning the radiation source (1) in a plurality of discrete positions with different viewing angles with respect to the object (2) to be inspected, wherein the radiation source (1) moves along a straight line in a direction parallel to the axis of rotation in each viewing angle and simultaneously scans the object (2) to be inspected in each viewing angle to acquire the radiographic projection data; wherein the plurality of discrete positions with different viewing angles is a plurality of positions evenly spaced on a circumference; wherein the method further comprises an imaging step for imaging the object to be controlled (2) on the basis of the X-ray projection data collected by the data collection unit (3), wherein in the imaging step a three-dimensional image of the object to be controlled (2) is reconstructed using the X-ray projection data of the multiple viewing angles in combination, wherein this reconstruction is carried out using a filter back-projection algorithm, expectation maximization algorithm or statistical algorithm with ordered subsets.