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32results about How to "Avoid a series of problems" patented technology
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Cross-media intelligence target element association analysis system and association analysis method thereof
InactiveCN109508453AAccurate classification query effectComprehensive classification query effectSemantic analysisCharacter and pattern recognitionTarget analysisElement model
The invention provides a cross-media intelligence target element association analysis system and an association analysis method thereof. The invention can remarkably improve the analysis ability of the target object and the application value of the analysis result to the user. The invention is realized by the following technical scheme: the user interactive operation module selects a decision treemodel corresponding to the purpose of information analysis, a goal-centered model of target elements is established, the user requirement information is sent into an association expansion processingmodule, Reads the target element model of the initial retrieval intelligence set according to the index, obtains the structured data of the attribute items of the intelligence data input into the database module, uses the domain prior knowledge and element expansion rules provided by the external data support module to carry out element expansion, and obtains the new extended target element and element expansion intelligence; Retrieves all the information, and outputs the correlation results of the target events to the support service module, and outputs the target analysis results including the target correlation and the target activity law.
Owner:10TH RES INST OF CETC
Dry flue gas desulphurization method using steel slag or blast furnace slag as absorbing agent
InactiveCN101797467ASmall system footprintLess investment in equipmentDispersed particle separationSlagFlue gas
The invention relates to a dry flue gas desulphurization method using steel slag or blast furnace slag as absorbing agents, which comprises the following steps: adopting a nitrification circulation fluidized bed flue gas desulphurization device; selecting the steel slag or the blast furnace slag with the granularity smaller than or equal to 0.048 mm to be sprayed into a desulphurization tower by a pneumatic conveying method; spraying process water into the desulphurization tower through an atomization water spraying nozzle; introducing the flue gas into the desulphurization tower from a flue gas inlet of a pre-dust-removal section; making the desulphurized flue gas enter a secondary dust remover; spraying circulation dust into the desulphurization tower by the pneumatic conveying method; discharging the dust into an external transportation dust field from an external dust discharge outlet; and discharging the clean flue gas into a chimney through a draught fan to be discharged into the atmosphere. The invention adopts the steel slag or the blast furnace slag as the absorbing agents, the desulphurization cost is low, the nitrification circulation fluidized bed flue gas desulphurization device is adopted, ground occupied by the system can be saved, the equipment investment can be reduced, and in addition, the desulphurization effect is good.
Owner:周建安
Nutritious jerky containing microelements of calcium, ferrum, zinc and its processing method
Provided is nourishing jerky containing minor elements of Ca, Fe and Zn, and the preparation process, wherein the jerky comprises the following raw materials (by weight portion), fine meat 80-88%, sugar 6-8%, salt 1-2%, calcium 0.2-0.6%, zinc 0.008-0.012%, ferrum 0.006-0.01% and a small amount of condiment.
Owner:陈旺根 +1
Antagonism bacterial strain preventing and treating fruit tree rot and application of antagonism bacterial strain
ActiveCN104140938AGrowth inhibitionAvoid a series of problemsBiocideBacteriaFruit treePathogenic bacteria
The invention discloses an antagonism bacterial strain preventing and treating fruit tree rot and the application of the antagonism bacterial strain. The antagonism bacterium is Bacillus pumilus XJAU-117, and the microbial preservation number is CGMCC No.9370. The Bacillus pumilus XJAU-117 is obtained from a rot branch of the walnut tree in a separation mode, the antagonism for the rot of the fruit tree is obvious and efficient, the rot pathogenic bacteria can be effectively prevented from growing, the plant disease caused by the pathogenic bacteria can be prevented and treated, and the antagonism bacterial strain is an efficient biological control potential bacterial strain with the good environmental safety and has good development and application prospects.
Owner:BEIJING FORESTRY UNIVERSITY +1
Preparation method of environment-friendly water-based metal cutting fluid
The invention discloses a preparation method of an environment-friendly water-based metal cutting fluid. The preparation method comprises the steps that: (1) 1 / 3 of a total amount of water is heated to a temperature of 40-50 DEG C; triethanolamine, polyethylene glycol, isopropanol, sodium molybdate, ethylene disodium tetraacetate, sodium silicate, and methyl benzotriazole are sequentially added into the water; the mixture is mixed by stirring for 20-30min, such that a mixture is prepared; (2) sodium benzoate and monoethanolamine benzoate are added into the mixture, and the mixture is stirred for 20-30min; (2) 1 / 3 of a total amount of water is heated to a temperature of 70-80 DEG C; glycerin and water-soluble borate are added to the water, and the mixture is stirred for 10-20min; (4) the solution obtained in the step (3) is mixed with the mixture obtained in the step (2), and the mixture is mixed by stirring for 30-40min under a temperature of 50-60 DEG C; and (5) nano-grade silica is added into the mixed solution obtained in the step (4); and the mixture is stirred for 2-4h, such that the cutting fluid is obtained.
Owner:TIANCHANG RUNDA METAL ANTIRUST AUX
Deep learning-based rolling mill inlet anomaly recognition method
ActiveCN111429425AQuality assuranceAvoid artificial ginsengImage enhancementImage analysisAlgorithmEngineering
The invention provides a rolling mill inlet steel biting abnormity recognition method based on deep learning. The method comprises the steps that an abnormity recognition model is acquired according to a billet sample image of a rolling mill inlet; inputting the real-time billet image of the inlet of the rolling mill into the anomaly recognition model, obtaining the moving state of the billet at the inlet of the rolling mill, and obtaining anomaly information according to the moving state; the method can effectively avoid a series of problems of manual participation, accurately identify the abnormality and effectively guarantee the quality of the steel billet.
Owner:CISDI INFORMATION TECH CO LTD
Bacillus velezensis and use thereof in preventing and treating diseases of bergamot pears
ActiveCN112322560AImprove protectionGood treatment effectBiocideBacteriaBiotechnologyDickeya fangzhongdai
The present invention discloses bacillus velezensis and use thereof in preventing and treating diseases of bergamot pears and belongs to the technical field of biological prevention and treatment of plant diseases. A gjfn2 strain which is screened frombacteria of fruit and vegetable enzyme fermentation broth has a remarkable antibacterial effect on valsa mali var. pyri, erwinia amylovora and dickeya fangzhongdai, is identified as bacillus velezensis and preserved in China General Microbiological Culture Collection Center (CGMCC) on November 18, 2020 and has the preservation number of CGMCC No.21203. A bacillus velezensis gjfn2 fermentation broth and active metabolites in the fermentation broth have broad-spectrum resistance to the valsa mali var. pyri, erwinia amylovora and dickeya fangzhongdai, and have outstanding advantages of haivng high selectivity, being not prone to generating drug resistance, safe, efficient, environmentally friendly and the like, and having great potential inthe biological prevention and treatment of diseases of pear trees.
Owner:XINJIANG AGRI UNIV
Refrigerator and intra-refrigerator object storage method and system
InactiveCN106225368AEasy accessAvoid a series of problemsLighting and heating apparatusDomestic refrigeratorsEmbedded systemObject storage
The invention provides a refrigerator. The refrigerator comprises a refrigerator body provided with an accommodating cavity, a door for closing the refrigerator body, multiple storage chambers positioned in the accommodating cavity, a driving device positioned in the refrigerator body and used for driving at least part of the multiple storage chambers to move between a storage position and a non-storage position, a user identity entering / identifying device arranged on the refrigerator body, and a control device arranged in the refrigerator body, connected with the user identity entering / identifying device and the driving device and used for associating recorded identity information with position information of at least one storage chamber and for sending a driving instruction to the driving device according to the identified identity information to move the corresponding storage chambers from the non-storage position to the storage position. The invention further provides a refrigerator object storage method and a system. Compared with the prior art, according to the refrigerator, users can conveniently store their own objects in the refrigerator, and a series of problems caused by handling of all objects in the refrigerator by the users in a manner of no difference are avoided.
Owner:LETV HLDG BEIJING CO LTD +1
Floating ball valve dedicated to high-pressure steam
The invention relates to a floating ball valve dedicated to high-pressure steam and belongs to the technical field of valves. The floating ball valve dedicated to high-pressure steam comprises a valve body, a ball and a valve rod. A first metal valve seat is arranged on one side of a medium inlet end of the valve body, and a second metal valve seat is arranged on one side of the outlet end. The first metal valve seat and the second metal valve seat are attached to the ball to form a metal seal pair. A valve seat compression ring is arranged outside the first metal valve seat, and a disc spring is arranged between the valve seat compression ring and the first metal valve seat. Seal pre-tightening pressure can be set by adjusting compression force of the disc spring. The floating ball valve dedicated to high-pressure steam is good in seal property, low in leakage rate, outstanding in abrasion resistance, convenient to assemble and disassemble, and applicable to working conditions with high working pressure and bad working conditions; besides, for the current situation the current situation that the leakage rate of steam valves in China is high and medium-and-low-pressure steam valves are dominated in China, the floating ball valve can well make up the gap.
Owner:SUZHOU SIP STARD VALVE
Biologic compound preparation capable of increasing weight and reducing feed conversion rate, for raising waterfowls and preparation method
InactiveCN107136302APromote growthIncrease profitBacteriaDigestive systemFeed conversion ratioAdhesion factor
The invention discloses a biologic compound preparation capable of increasing weight and reducing feed conversion rate, for raising waterfowls. The biologic compound preparation is characterized by comprising the following components in percentage by mass of 50-55% of soluble glucose, 1-4% of enterococcus faecium, 0.5-2% of bacillus subtilis, 10-20% of bacillus coagulans, 3-10% of clostridium butyricum, 1-5% of adhesion factors, and 15-30% of composite immunoglobin for animals, wherein the enterococcus faecium, the bacillus subtilis, the bacillus coagulans, the clostridium butyricum and the adhesion factors are made into bacterium powder through performing coating treatment on bacterium fermentation liquor, and the viable count of the coated bacterium powder includes that the viable count of the enterococcus faecium is (1500-2500)*10<8>CFU / g, the viable count of the bacillus subtilis is (4500-5500)*10<8>CFU / g, the viable count of the bacillus coagulans is (30-50)*10<8>CFU / g, the viable count of the clostridium butyricum is (90-100)*10<8>CFU / g, and the viable count of the adhesion factors is (40-60)*10<8>CFU / g.
Owner:DALIAN SANYI ANIMAL MEDICINE CO LTD
Heating furnace inlet anomaly identification method based on deep learning
ActiveCN111429424AReal time monitoringReal-time managementImage enhancementImage analysisProcess engineeringSample image
The invention provides a heating furnace inlet abnormity identification method based on deep learning. The method comprises the steps of acquiring a steel bar identification model according to a sample image of a steel bar at a heating furnace inlet; recognizing the real-time images of the inlet of the continuous multi-frame heating furnace through the steel bar recognition model, obtaining the position of a steel bar recognition frame in the continuous multi-frame images, obtaining the moving state of the steel bar before and after the steel bar enters the inlet of the heating furnace, and judging whether abnormal steel bar transportation occurs or not according to the moving state. According to the invention, a series of problems of manual participation can be effectively avoided, anomalies are accurately identified, and the steel bar quality is effectively guaranteed.
Owner:CISDI INFORMATION TECH CO LTD
Output frequency control method for brushless doubly-fed generator without position sensor
InactiveCN105529976AAvoid a series of problemsOutput frequency controlElectric generator controlVoltage amplitudePower grid
The invention discloses an output frequency control method for a brushless doubly-fed generator without a position sensor. The output frequency control method does not rely on the position sensor, does not need to know parameters of a brushless doubly-fed generator, utilizes an acquired voltage of a power winding of the brushless doubly-fed generator to achieve identification of rotation speed, avoids a series of problems caused by the position sensor, and can effectively control output frequency of the brushless doubly-fed generator. When the brushless doubly-fed generator and an outer power grid need to be used in a grid-connected manner, the parallel operation process can be completed successfully without the position sensor. Since a brushless doubly-fed generation system needs to acquire the voltage of the power winding of the brushless doubly-fed generator to form a voltage closed loop so as to achieve effectively control on voltage amplitude output by the brushless doubly-fed generator, the output frequency control method can effectively reduce cost of the position sensor and a matched sampling circuit, and does not incur any additional cost on the basis.
Owner:HUAZHONG UNIV OF SCI & TECH
Gripping device for aluminum top cover of shaver
Owner:佛山市金盈得科技有限公司
Antagonistic bacterial strain for preventing and treating fruit tree rot and application thereof
ActiveCN104140938BGrowth inhibitionAvoid a series of problemsBiocideBacteriaBacteroidesBacterial strain
The invention discloses an antagonism bacterial strain preventing and treating fruit tree rot and the application of the antagonism bacterial strain. The antagonism bacterium is Bacillus pumilus XJAU-117, and the microbial preservation number is CGMCC No.9370. The Bacillus pumilus XJAU-117 is obtained from a rot branch of the walnut tree in a separation mode, the antagonism for the rot of the fruit tree is obvious and efficient, the rot pathogenic bacteria can be effectively prevented from growing, the plant disease caused by the pathogenic bacteria can be prevented and treated, and the antagonism bacterial strain is an efficient biological control potential bacterial strain with the good environmental safety and has good development and application prospects.
Owner:BEIJING FORESTRY UNIVERSITY +1
Printer paper guide device suitable for different paper thicknesses
InactiveCN111942035AAdjust paper feedHeight adjustableOther printing apparatusComputer printingEngineering
The invention relates to the technical field of office supplies, and discloses a printer paper guide device suitable for different paper thicknesses. The device comprising a base and a sliding rail, wherein a bottom plate is movably connected to the exterior of the base, a shell is movably connected to the exterior of the bottom plate, a lamp strip is movably connected to the interior of the shell, a photosensitive assembly is movably connected to the interior of the shell. and a rotating wheel is movably connected to the interior of the shell. Under the interaction of the base, the sliding rail, the bottom plate, the shell, the lamp strip, the photosensitive assembly, the rotating wheel, a gear I, a gear II, a gear III and a paper guide rod, the device can adjust a movement amplitude of the paper guide rod under the characteristics of a photoresistor, so that the height of a pressing block can be adjusted, paper feeding of paper with different thicknesses is further adjusted, so thatthe device is more suitable to use in actual conditions, in addition, transmission among the gears enables the paper guide rod to be adjusted up and down within a small range, and the paper guide rodis suitable for paper with a small thickness deviation.
Owner:SUZHOU WEITENG ENTERPRISE MANAGEMENT CONSULTING SERVICE CO LTD
Erythromycin enteric-coated tablet and preparation method thereof
InactiveCN106924209ASmooth releaseThere will be no problem of stickingAntibacterial agentsOrganic active ingredientsOrganic solventCoating system
The present invention provides an erythromycin enteric-coated tablet and a preparation method thereof. The erythromycin enteric-coated preparation has stable release rate. During storage, stable release rate ensures quality and efficacy of the product. As for the enteric coating, an ammonia-neutralized enteric-coated cellulose aqueous polymer solution coating system is adopted for coating, and there will be no film adhesion problems. The final product has smooth surface and uniform coating layer. A series of questions caused by organic solvent coatings are avoided.
Owner:XIAN LIJUN PHARMA CO LTD +1
Nutritious jerky containing microelements of calcium, ferrum, zinc and its processing method
Provided is nourishing jerky containing minor elements of Ca, Fe and Zn, and the preparation process, wherein the jerky comprises the following raw materials (by weight portion), fine meat 80-88%, sugar 6-8%, salt 1-2%, calcium 0.2-0.6%, zinc 0.008-0.012%, ferrum 0.006-0.01% and a small amount of condiment.
Owner:陈旺根 +1
A passive surface acoustic wave sensing device and smart tire
ActiveCN105415987BAvoid a series of problemsAvoid being vulnerable to damageTyre measurementsFluid pressure measurement by acoustic meansSurface acoustic wave sensorEngineering
Disclosed are a patch-type passive surface acoustic wave sensing device and an intelligent tire, wherein the patch-type passive surface acoustic wave sensing device comprises a surface acoustic wave sensor (101) and at least comprises a first rubber sheet (201) and a second rubber sheet (202), the cross section of each of the first rubber sheet (201) and the second rubber sheet (202) is larger than that of the surface acoustic wave sensor (101), the bottom part of the surface acoustic wave sensor (101) is located on the upper surface of the first rubber sheet (201), a first central hole (204) allowing the surface acoustic wave sensor to penetrate therethrough is formed in the centre of the second rubber sheet (202), the surface acoustic wave sensor (101) penetrates the first central hole (204), the second rubber sheet (202) is fixedly connected to the upper surface of the first rubber sheet (201), the surface acoustic wave sensor (101) comprises pins (102) arranged at the bottom thereof, free ends of the pins (102) are connected to an antenna (103), and the antenna (103) and some of the pins (102) are buried in the first rubber sheet (201). The intelligent tire comprises the patch-type passive surface acoustic wave sensing device which is fixed onto the inner wall of the tire. The patch-type passive surface acoustic wave sensing device requires no power supply, has the advantages of a small size and low weight, and has certain abilities of high temperature and high pressure resistance.
Owner:MESNAC
Output frequency control method of brushless doubly-fed generator without position sensor
InactiveCN105529976BAvoid a series of problemsOutput frequency controlElectric generator controlVoltage amplitudePower grid
Owner:HUAZHONG UNIV OF SCI & TECH
A kind of method of using silt and construction waste to prepare porous planting solidified soil
ActiveCN110972888BReduce processing costsImprove protectionGrowth substratesCulture mediaSludgePre treatment
The invention discloses a method for preparing porous planting solidified soil by using silt and construction waste, which comprises the steps of pretreating the sludge and then turning it into soil, and using it as slope protection soil, and using the construction waste as aggregate after pretreatment, and combining the two to make porous planting solidified soil build. The method of the present invention can not only utilize the silt as a resource, avoid a series of problems caused by dredging silt, bottom mud and industrial sludge, but also reduce the processing cost of construction waste through the resource utilization of construction waste, which is beneficial to the environment protection, and has engineering application prospects.
Owner:HOHAI UNIV
Node structure of light transmission network based on adjustable wavelength shifter and wavelength self-router
InactiveCN1207856CSimplify the network node structureAvoid a series of problemsMultiplex system selection arrangementsElectromagnetic transmissionNetwork connectionEngineering
The invention relates to an optical transmitting network node construction based on adjustable wavelength convertors and wavelength routers. The foot terminals of the wavelength routers linked with adjacent nodes are connected with the local foot modules and adjustable wavelength convertors. The local top modules and adjustable wavelength convertors are connected with the top terminals of the wavelength routers. The output terminals of local foot modules and input terminals of local top modules are connected with the local electrical network. The input terminals of router control modules are connected with the local electrical network, and the output terminals of router control modules are connected with the local top router module and the adjustable wavelength convertors respectively. The elimination of optical switch matrix at nodes reduces the exchanging time of nodes, the exchanging efficiency and the transmitting function are improved therefore.
Owner:SHANGHAI JIAOTONG UNIV
Non-metal heating plate for cooking, preparation method thereof and heating device
InactiveCN111698799AFlat surfaceFast conductionCooking-vessel materialsWater-boiling vesselsGlass chipGlass sheet
The invention discloses a nonmetal heating plate for cooking, and the heating plate sequentially comprises a glass sheet, a ceramic substrate, an insulating glaze layer and a heating body; the front surface of the ceramic substrate and the glass sheet are attached and form an integrated structure through sintering, the insulating glaze layer is arranged on the back surface of the ceramic substrate, and the heating body is arranged on the insulating glaze layer. Correspondingly, the invention further discloses a preparation method of the non-metal heating plate for cooking and a heating deviceadopting the non-metal heating plate for cooking. The non-metal heating plate is designed, the non-metal kettle body with the cut bottom is connected with the non-metal heating plate to form the integrated all-glass kettle body, and the problems of low cost, long service life, safety, mass production, easiness in cleaning and the like can be solved at the same time.
Owner:佛山市也牛科技有限公司
Advancing vehicle for manufacturing concrete fecal leaking board
PendingCN110697584AGuaranteed reciprocating operationAchieve stretch outCeramic shaping apparatusTrolley cranesHydraulic cylinderVehicle frame
The invention discloses a advancing vehicle for manufacturing a concrete fecal leaking board. The advancing vehicle comprises a frame and a travelling ground beam, wherein the frame comprises an upperbeam and door type vertical frames on the two sides, a hydraulic propulsion mechanism is mounted on the upper beam, the hydraulic propulsion mechanism comprises a propulsion frame and a hydraulic cylinder, when the hydraulic cylinder is not operated, a slide way and the hydraulic cylinder are located at two halving parts of the left and right of the upper beam correspondingly, one end of a fixingbase of the hydraulic cylinder is hinged to the upper beam, one end of a piston rod of the hydraulic cylinder is hinged to a connection main body of the propulsion frame, one steel wire rope is woundaround one tapered iron, the steel wire ropes are fixed in slots after winding around the tapered iron, vertical columns are fixedly mounted in the door type vertical frames on the two sides correspondingly, sliding supports are slidably connected to the vertical columns, a cross beam is fixedly connected between the two sliding supports, rope clamps at the two ends of the steel wire ropes are correspondingly connected to the cross beam, and a finishing device and a turnover mechanism used for overturning a fecal leaking board mold are further mounted on the cross beam. According to the advancing vehicle for manufacturing the concrete fecal leaking board, the mold can be automatically stopped and descended after the mold is moved in place.
Owner:XINXIANG RUITE MACHINERY
Environment-friendly water-based metal cutting fluid
Owner:TIANCHANG RUNDA METAL ANTIRUST AUX
A columnar sediment gravity sampler for deep sea cableless sampling and its application
The invention provides a cableless gravity sampler, comprising a recovery unit and a discarding unit, wherein the recovery unit comprises a hook connected with a floating body, and an inner pipe of the sampler; the hook is connected with the bottom of the floating body and the top of the inner pipe of the sampler; the discarding unit comprises an outer pipe of the sampler, a balancing weight and a trigger unlocking mechanism; the trigger unlocking mechanism is in sleeve connection with the outer wall of the outer pipe of the sampler under the balancing weight; the outer pipe of the sampler sleeves the inner pipe of the sampler, and the inner pipe of the sampler can slide along the axial direction in the outer pipe of the sampler; at least two locking through holes are evenly formed along the circumferential direction of the middle section of the wall of the outer pipe of the sampler; the outer wall of the inner pipe of the sampler is provided with a locking groove or diameter expansion locking holes; locking beads are arranged in the locking through holes and the locking groove; bead exit grooves are formed in the middle part of the inner wall of an unlocking sleeve; the bead exit grooves are positioned under the locking beads, and the distance between the upper end of the unlocking sleeve and the lower edge of the balancing weight is greater than those between the bead exit grooves and the locking beads. The cableless gravity sampler is higher in reliability and safety, and lower in cost.
Owner:SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
Task processing method and device based on shared resources
ActiveCN102902573BImprove processing efficiencyAvoid a series of problemsResource allocationProcessingShared resource
An embodiment of the invention discloses a task processing method based on shared resources. The method includes receiving tasks to be processed; placing the tasks to be processed into task queues of corresponding resource nodes of multi-stage classification combination queue groups according to resource identifications needed by the tasks to be processed, wherein the task queues of multi-stage classification combination queue groups and resource nodes of a resource node tree built according to a resource superior and subordinate relation have a corresponding relation; and judging whether tasks needed to be processed meeting preset conditions exist in the task queues corresponding to the resource nodes in the multi-stage classification combination queue groups, if the tasks needed to be processed meeting preset conditions exist, the tasks needed to be processed meeting preset conditions exist are extracted and processed. The embodiment of the invention further provides a task processing device based on shared resources. According to the task processing method and device based on shared resources, the processing efficiency of the tasks to be processed is improved.
Owner:BEIJING SOHU NEW MEDIA INFORMATION TECH
A grabbing device for the aluminum top cover of a shaver
ActiveCN110015566BAvoid a series of problemsEasy to useConveyor partsStructural engineeringMechanical engineering
Owner:佛山市金盈得科技有限公司
A high efficient solar energy cooling device for shielding a vehicle body
PendingCN109094344AGood cooling effectThe device is compactAir-treating devicesBatteries circuit arrangementsEnvironmentally friendlyElectric energy
The invention discloses a high-efficient solar energy cooling device for shielding a vehicle body, which comprises an outer shell, a sunshade plate, a convex lens group, a solar cell panel, a coolinglayer, a fan layer, a control box and a support pedestal, wherein, the cooling device comprises a housing, a sunshade plate, a convex lens group, a solar cell panel, a cooling layer, a fan layer and acontrol box. The inside of the shell is sequentially provided with a sunshade from the top to the bottom, A convex lens group, a solar cell panel, a cooling layer, a fan layer and a sun visor are arranged at the center of the lower surface of the fan layer; a control box is arranged inside the control box; a battery, a temperature sensor and a core processor are arranged; four corners of the outer periphery of the shell are respectively provided with a supporting foot seat; and the device is installed on the top of the vehicle. The device can not only shield the car body from sunlight, but also use solar energy to convert the solar energy into electric energy to drive the fan and the cooling sheet to cool the car body, so as to avoid a series of problems caused by the high-temperature exposure of the private car; Solar energy is used as the energy source of the device, which is safe, economical and environmentally friendly. The device is compact in structure, convenient in installation and high in automation level, which is worth popularizing and using in a wide range.
Owner:SHANDONG UNIV OF SCI & TECH
A motor ejection isotope releaser control device
ActiveCN112865387BAvoid a series of problemsReduce construction riskSurveyMechanical energy handlingElectric machineryControl theory
The invention discloses a motor ejection type isotope releaser control device, which belongs to the technical field of petroleum logging. Including control module, motor, ejection trigger mechanism, core wire harness, shell, joint and circuit skeleton; shell and joint are connected; ejection trigger mechanism includes shift fork, pin, ejection ejector rod, energy storage spring and several sets of bearings; shift fork and The ejection ejector rod is connected by pins, the shift fork is fixed inside the joint through several sets of bearings, the energy storage spring is sleeved on the ejection ejector rod, and the outer wall of the lower end of the ejection ejector rod is provided with an axial chute; the control module, the circuit skeleton and the motor set In the casing, the control module is connected with the motor through wires, the control module is fixed on the circuit skeleton, the motor is connected with the slip ring through the wire, and the slip ring is connected with the shift fork. The invention cancels the use of pyrotechnics, improves the safety of the operation, and reduces the operation cost.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1
A kind of preparation method of environment-friendly water-based metal cutting fluid
The invention discloses a preparation method of an environment-friendly water-based metal cutting fluid. The preparation method comprises the steps that: (1) 1 / 3 of a total amount of water is heated to a temperature of 40-50 DEG C; triethanolamine, polyethylene glycol, isopropanol, sodium molybdate, ethylene disodium tetraacetate, sodium silicate, and methyl benzotriazole are sequentially added into the water; the mixture is mixed by stirring for 20-30min, such that a mixture is prepared; (2) sodium benzoate and monoethanolamine benzoate are added into the mixture, and the mixture is stirred for 20-30min; (2) 1 / 3 of a total amount of water is heated to a temperature of 70-80 DEG C; glycerin and water-soluble borate are added to the water, and the mixture is stirred for 10-20min; (4) the solution obtained in the step (3) is mixed with the mixture obtained in the step (2), and the mixture is mixed by stirring for 30-40min under a temperature of 50-60 DEG C; and (5) nano-grade silica is added into the mixed solution obtained in the step (4); and the mixture is stirred for 2-4h, such that the cutting fluid is obtained.
Owner:TIANCHANG RUNDA METAL ANTIRUST AUX
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