桥梁裂缝检测器

MULTI-EJECTOR TUBE TYPE FIRE PLATE

A multi-ejector tube type fire plate, comprising a fire plate body (10). The top of the fire plate body (10) is provided with a combustion section (12); a fire hole (121) is formed in the combustion section (12); the fire plate main body (10) is provided with a plurality of vertical ejection tubes evenly distributed from left to right, and the ejector pipes are bilaterally symmetrical about vertical center planes thereof. The multi-ejector tube type fire plate can improve the uniformity of flames, ensure sufficient combustion, and reduce emissions of nitrogen oxide and carbon monoxide.

ELECTRIC ENERGY CURVE DATA STORAGE METHOD, ELECTRIC ENERGY METER, AND COMPUTER-READABLE STORAGE MEDIUM

An electric energy curve data storage method comprises: acquiring real-time electric energy data of respective preset acquisition cycles (S10); detecting whether or not current real-time electric energy data is electric energy reference data of a preset storage cycle (S20); if so, using the time of acquisition of the current real-time electric energy data as a timestamp of a current storage cycle (S31); if not, calculating to obtain incremental electric energy data according to the real-time electric energy data (S32); and storing, according to each preset storage cycle, the electric energy reference data, timestamp, and incremental electric energy data of each preset storage cycle (S40). The method reduces the amount of stored time-related data, thereby reducing the space used to store time information.

PREPARATION METHOD OF CARFENTRAZONE-ETHYL

Disclosed is a preparation method of carfentrazone-ethyl, comprising: reaction of 1-(5-amino-4-chloro-2-fluorophenyl)-4-difluoromethyl-3-methyl-1H-1,2,4-triazol-5-one with acrylic acid through the diazo arylation of amino group to obtain 2-chloro-3-{2-chloro-5-[4-(difluoromethyl)-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl]-4-fluorophenyl}propionic acid; and esterification of 2-chloro-3-{2-chloro-5-[4-(difluoromethyl)-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazol-1-yl]-4-fluorophenyl}propionic acid with ethanol in the presence of an acidic catalyst to give said carfentrazone-ethyl.

User permission data synchronization method and device, electronic equipment and readable storage medium

The invention provides a user permission data synchronization method and device, electronic equipment and a readable storage medium, and relates to the technical field of communication. The method comprises the steps that a first data set corresponding to a first database is obtained, a second data set corresponding to a second database is obtained, the first database and the second database have an incidence relation, and the first data set and the second data set respectively comprise user permission data; obtaining target permission data according to the first data set and the second data set; and synchronizing the user permission data in the second database according to the target permission data. Therefore, the problem of poor user message transmission efficiency caused by asynchronization of the user permission data in related technologies can be solved.

Special sharp instrument box for thumbtack needle

The invention relates to the technical field of medical instruments, and discloses a special sharp instrument box for thumbtack needles, which comprises a sharp instrument box body, a threaded groove is formed in the middle of the lower end face of the sharp instrument box body, a threaded column is in threaded connection with the interior of the threaded groove, and a counterweight plate is fixedly connected to the lower end face of the threaded column. A hollow threaded cover is in threaded connection with the position, close to the top end, of the outer side wall of the sharp instrument box, a fixing ring plate is fixedly connected to the position, close to the hollow groove, of the upper end face of the hollow threaded cover, a ring groove is formed in the middle of the inner side wall of the fixing ring plate, and an annular insertion plate is inserted into the fixing ring plate. According to the sharp instrument box, by designing the detachable balance weight plate, when the sharp ...

Movable water film forming foam device

The utility model discloses a movable water film forming foam device, and belongs to the field of fire extinguishing equipment. The movable type water film forming foam device comprises a mixing barrel, the top wall of the mixing barrel is communicated with a material mixing pipe, the material mixing pipe is communicated with a fire extinguishing agent box and a water tank, a vertical first stirring shaft is arranged in the center in the mixing barrel, a material barrel with openings in the two ends is fixed to the first stirring shaft, and a first spiral blade is fixed to the first stirring shaft; a plurality of rows of first disturbance plates are fixed to the inner side wall of the mixing barrel in the direction of the central axis, a plurality of rows of second disturbance plates are fixed to the outer side wall of the charging barrel in the direction of the central axis, and the first disturbance plates in each row of first disturbance plates and the second disturbance plates in the ...

Traditional Chinese medicine application pill preparation method and mold

The invention provides a traditional Chinese medicine application pill preparation method and a mold, and relates to the technical field of traditional Chinese medicine preparation. The preparation method of the traditional Chinese medicine application pill comprises the following steps: taking materials, crushing, decocting, filtering, decocting, forming and obtaining a finished product. By adding the raw materials such as the rhizoma corydalis, the fructus evodiae and the cortex cinnamomi, the traditional Chinese medicine can effectively play a role in easing pain and relieving pain, and by blending the fresh ginger and the white spirit, on one hand, the traditional Chinese medicine has a good pain relieving effect, and on the other hand, the traditional Chinese medicine can promote blood circulation to remove blood stasis, accelerate pain dispersion, bring out cold and strengthen physique; by means of the mold, forming of the medicine bodies can be accelerated, a large number of medicine ...

Intelligent coal mine office network security management method and system

According to the intelligent coal mine office network security management method and system and the storage medium provided by the invention, a network access request message is acquired, and the network access request message comprises personnel information and equipment information of a network access request; according to the personnel information and the equipment information, determining a corresponding network use permission; and configuring network resources matched with the network use permission according to the network use permission. Therefore, according to the method provided by the invention, the corresponding network use permission can be automatically determined according to the personnel information and the equipment information in the network request message, and the network resource matched with the network use permission is configured, so that the accessed equipment information can be recorded, the equipment accessed to the coal mine office network is ensured to be the ...

Novel culture protection device based on marine ranch marine organism culture

The invention relates to a novel breeding protection device based on marine ranch marine organism breeding. The novel breeding protection device comprises a breeding ranch and a protection device body. A plurality of protection devices are installed on the breeding pasture, each protection device comprises a shell assembly, the shell assemblies are connected with the breeding pasture, anodic protection assemblies are installed in the shell assemblies, the anodic protection assemblies are connected with amplification assemblies, and the amplification assemblies are electrically connected with underwater acoustic communication assemblies. The underwater acoustic communication assembly is installed on the breeding pasture. The marine ranch is protected, corrosion of the marine ranch is slowed down, and fishery personnel can be timely notified to replace the protection device in time.

Novel fluidized bed sewage treatment system

... 本实用新型公开了一种新型流化床污水处理系统，包括缺氧/厌氧流化床和好氧流化床，缺氧/厌氧流化床的底部设置有污水进口，污水进口处设置有阀门，缺氧/厌氧流化床内置有固体床料，固体床料上生长有活性生物膜，好氧流化床内下部设置有曝气头，曝气头与曝气管相连，曝气头上部设置有下拦截网和上拦截网，上拦截网设置在下拦截网上部，下拦截网和上拦截网之间置有固体床料，固体床料上生长有活性生物膜，好氧流化床上部设置有出液口，出液口处设置有阀门，缺氧/厌氧流化床上部与好氧流化床下拦截网下部连通，连通的通道上设置有滤网，好氧流化床的上部与缺氧/厌氧流化床的底部由回流管连通，固体床料由输料装置补给，该系统结构紧凑，污水净化效率高。 ...

TWO-STAGE FUEL BURNING ROW BURNER

A two-stage fuel burning row burner comprises a base (10) and a plurality of flame sheet members (20) provided at the base (10). The base (10) is provided with fuel gas jets (11) aligned with the flame sheet members (20). The fuel gas jet (11) injects a fuel gas into the flame sheet member (20). The injected fuel gas can bring air into the interior of the flame sheet member (20) and mix with the same to form a pre-mixed gas. The pre-mixed gas can be discharged from a hole (21) arranged at an upper portion of the flame sheet member (20) and burn. Since the pre-mixed gas inside the flame sheet member (20) can undergo incomplete combustion, a secondary air supply channel (30) is arranged between every two adjacent flame sheet members (20) to supply air to a flame at the hole (21). The burner enables full combustion of a fuel gas, produces a more uniform flame, and can further reduce emissions of nitrogen oxide and carbon monoxide.

METHOD FOR PREPARING THIADIAZOLYLAMIDE COMPOUNDS

Disclosed is a method for preparing thiadiazolylamide compounds. 2-sulfinyl-5-(trifluoromethyl)-1,3,4-thiadiazole (II) and 2-sulfuryl--5- (trifluoromethyl)-1,3,4-thiadiazole (II') are mixed in mass ratio of 99:1-1:99 as mixed raw materials, and then the mixed raw materials and compound (III) are reacted in the solution of solvent and inorganic base at the temperature of -20-25 ℃ to obtain compound (I). The method disclosed by the invention is simple in the preparation of the mixed raw materials, convenient to operate, high in reaction speed and yield, less in 'three wastes', and suitable for industrial production.

Automatic ore cleaning and sorting device of deep-sea mining vehicle and working method of automatic ore cleaning and sorting device

The invention discloses an automatic ore cleaning and sorting device of a deep-sea mining vehicle and a working method of the automatic ore cleaning and sorting device. The automatic ore cleaning and sorting device comprises a cleaning mechanism, an automatic lifting and sorting mechanism and a separation type stock bin. According to the automatic ore cleaning and sorting device of the deep-sea mining vehicle, a three-layer type roller spiral lifting mechanism is adopted, due to the fact that the sizes of the sand discharging holes in the fixed sleeve and the outer-layer roller are different, in the upward spiral lifting process of ore, the sand discharging holes are separated from the sand discharging holes under the action of centrifugal force; small ores and silt are thrown to the outer-layer spiral lifting mechanism from the multi-circle sand discharging holes of the fixed sleeve and spirally ascend along with the outer-layer spiral lifting mechanism, and under the action of centrifugal ...

METHOD FOR SYNTHESIZING THIADIAZOLE SULFOXIDE COMPOUND

The present invention relates to a method for synthesizing a thiadiazole sulfoxide compound. Steps thereof comprise: thiadiazole thioether reacting in an organic solvent or mixed liquor of an organic solvent and water, by using a specific oxidizing agent, and at a proper temperature, so as to thiadiazole sulfoxide. A catalyst can be added into the reaction to improve the reaction performance, and a phase transfer catalyst can be added to improve the reaction speed. The present invention has simple reaction operations, a safe process, rapid reaction, a high yield, and is suitable for industrialized production.

Expanded metals is scraped to flotation device

... 一种浮选机刮板网，涉及浮选机复制设备技术领域，包括前网板1，前网板1上部与传动板8相连，传动板8与动力机构相互联动。前网板1的四边为金属边框，前网板1上部与传动板8互为铰接；传动板8上设有左右对称的套筒9，套筒9内套有转动杆4，转动杆4上均匀分布有拍击棒5，转动杆4的一端穿出套筒9连接有转动电机。拍击棒5的两端设有配重块6，配重块6与拍击棒5互为活动连接。传动板8板上设有后网板2，后网板2上部与传动板8互为铰接，前网板1与后网板2对称分布于传动板8两侧。本实用新型的有益效果在于：前网板1与后网板2不但能将泡沫刮出，还可以避免被矿浆刮出，从而减少了浪费，提高了精矿刮出量。 ...

Resource scheduling method and system and converged network resource scheduling system

The invention discloses a resource scheduling method and system and a converged network resource scheduling system, and the method comprises the steps: firstly transmitting a first resource scheduling request when a client needs to carry out resource access, so as to determine a first type of network service system and a second type of network service system which are stored in an available resource library and can be accessed; and the result can be fed back, so that the client can access the resources directly according to the result, the scheduling of the resources in different types of network service systems is realized, the implementation details of the different types of network service systems do not need to be paid attention to, and the access efficiency is improved.

Fuel oxygen -enriched combustor

... 本实用新型公开了一种燃油富氧燃烧器。所述燃油富氧燃烧器包括用于通入燃油的燃油通道，用于通入压缩气体对燃油进行一级雾化的压缩气体通道，以及用于通入氧气，同时对燃油进行二级雾化的富氧通道。所述压缩气体通道的出口端布置在燃油通道出口端的外侧，在燃油通道和压缩气体通道的出口端处设有油气混合器，所述富氧通道的出口端布置在该油气混合器的出口端外侧；所述油气混合器为前后贯通的腔体结构。本实用新型具有燃烧火焰温度高、燃烧效率高、节约能源、污染物排放低等富氧燃烧的优点，同时，本燃烧器结构简单紧凑、安装布置灵活方便，氧气喷嘴和雾化形式的设计使燃油雾化好、与氧气掺混均匀，利于燃油的后续燃烧。 ...

UP-HILL STARTING ASSIST METHOD

An up-hill starting assist method for a vehicle: a vehicle-mounted controller senses an intention to start on an uphill slope, and converts a sensed gradient resistance into a target torque, and enables the engine to have adequate torque reserve in advance; therefore, in the subsequent start, driving wheels can obtain sufficient driving force to ensure that the vehicle will not slide backward. Furthermore, for a stick shift automobile, the engine torque is boosted in an early stage during a clutch release by a driver, thus accelerating the rotation speed of the engine, and avoiding, to a certain extent, engine stalling caused by a too quick or too much clutch release, compared with the situation where the engine is completely idling.

Coprocessing method of zinc-containing paint slag and waste mineral oil

The invention relates to a synergistic treatment method of zinc-containing paint slag and waste mineral oil, which comprises the following steps: uniformly mixing the zinc-containing paint slag to be treated with the waste mineral oil to be treated to obtain a mixture; the mixture is dried at the temperature of 80 DEG C to 120 DEG C, and a dry mixture is obtained; the dry mixture is pyrolyzed for 0.5-2 h at the temperature of 400-580 DEG C, and pyrolysis residues, an oil-water mixture and pyrolysis gas are obtained; the pyrolysis slag is input into a smelting furnace, under the condition that oxygen-enriched air is introduced, smelting is conducted for 0.5-3 h at the temperature of 1100-1300 DEG C, and zinc-containing flue gas and molten slag are obtained; and the zinc-containing flue gas is subjected to condensation treatment, and zinc liquid and tail gas are obtained. According to the method disclosed by the invention, the catalytic action of heavy metals such as zinc, iron and the like ...

GRADUAL COMBUSTION TYPE FIRE PLATE COMBUSTOR

A gradual combustion type fire plate combustor, comprising a base (10) and fire plates (20) provided on the base (10), wherein the interior of each fire plate (20) comprises a gas channel (21); fire holes (22) communicated with the gas channel (21) are provided on the top plate of the fire plate (20); the left and right side of the top plate both comprise guide parts (23) that are inclined upwards from inside to outside; the fire holes (22) are provided on the guide parts (23); each fire hole (22) is lateral elongated and laterally extends to the side plate of the fire plate (20) to form a gradual combustion hole (24). The combustor can form high-temperature microcirculation, reduce the emission of nitrogen oxide and carbon monoxide, and have no heat energy loss.

TRIAZOLO PYRIMIDINE SULFYDRYL COMPOUND PREPARATION METHOD

Disclosed is a preparation method of triazolo pyrimidine sulfydryl compound, the method rearranging and substituting the compound represented by formula (II) under the action of alcohol and alkali to obtain triazolo pyrimidine sulfydryl compound represented by formula (I). The method expands the approach of the original preparation method and raw material sources, with no environmentally unfriendly by-products, and has a great industrial application value.

Method, device and equipment for generating data in batches and storage medium

The invention discloses a method, device and equipment for generating data in batches and a storage medium, and the method comprises the steps: firstly, obtaining a data batch generation request which carries the total number of to-be-generated data and to-be-generated data information; then, based on the to-be-generated data information in the data batch generation request, the total quantity of the to-be-generated data and a preset data processing batch segmentation algorithm, segmenting the data batch generation request into a plurality of data batch processing tasks; and finally, on the basis of a preset data generation rule, the multiple data batch processing tasks are executed in sequence, and data are generated in batches. Therefore, the data batch generation request which is difficult to realize can be divided into a plurality of data batch processing tasks which are easier to execute, the technical threshold and the system complexity required by batch data generation are greatly ...

FLOW-EQUALIZATION-TYPE FIRE PIECE

Provided is an flow-equalization-type fire piece, comprising a fire piece main body, wherein a fuel gas passage (11) is provided inside the fire piece main body; a top plate of the fire piece main body is provided with a fire hole (12); the gas passage (11) is internally provided with a horizontal flow equalization plate (13) located below the fire hole (12); a middle portion of the flow equalization plate (13) has a long-strip-shaped first flow disturbance hole (14) parallel to a front-rear direction; a number of second flow disturbance holes (15) are respectively provided in left and right portions of the flow equalization plate (13); and these second flow disturbance holes (15) are distributed along the front-rear direction. The flow-equalization-type fire piece effectively reduces the emission of nitrogen oxides.

Telecommunication route acquisition method and related equipment

The embodiment of the invention provides a telecommunication route acquisition method and device, a computer readable storage medium and electronic equipment. The method comprises the following steps: acquiring all communication link combinations from a starting point to a destination point of a telecommunication route; obtaining the weight of each link in all communication link combinations between the starting point and the destination point of the telecommunication route; obtaining a link weight sum of each link combination in all communication link combinations from a starting point to a destination point of the telecommunication route; sorting all communication link combinations from large to small or from small to large according to the sum of the link weight of each link combination in all the communication link combinations from the starting point to the destination point of the telecommunication route; and selecting the communication route from the starting point to the destination ...

Power line sag determination method, device, equipment, medium and product

The invention relates to a power line sag determination method and device, computer equipment, a storage medium and a computer program product. The method comprises the steps of firstly obtaining corridor point clouds in a preset range around a power transmission line, performing feature calculation on the corridor point clouds to obtain power transmission line point clouds, then performing spatial clustering on the power transmission line point clouds to obtain power line point clouds of each power line, and then constructing a target line segment according to the power line point clouds, the target line segment is a line segment obtained by segmenting and intercepting the power line, and finally determining the target sag of each power line according to the target line segment. According to the method provided by the invention, the power line is cut into the plurality of line segments, and the maximum sag of the power line is finally determined by calculating the sag corresponding to ...

Modularization AUV afterbody impels structure

... 本实用新型提供了一种模块化AUV尾部推进结构，包括壳体、把手、节点控制器、抛载系统、密封圈、翼板、螺旋桨、导流罩、磁耦合器和电机，还包括标准连接件、电位计、同步轮、舵机、联动轴、漏水传感器、万向节和翼板驱动系统，壳体上设有把手，壳体内部的前侧设有节点控制器和抛载系统，壳体内部的后侧通过电机、磁耦合器与螺旋桨连接，导流罩通过支杆固定在壳体，螺旋桨后端设有翼板，壳体的前端面上设有标准连接件与航空插头，磁耦合器的下侧设有漏水传感器。使得AUV系列化成为可能；将翼板的驱动结构设置在导流罩内部，节省了布置空间，还使的AUV整体流线性优化，减小了航行阻力，同时通过十字翼板，可以破坏尾流收缩现象，增大推进效率。 ...

Intelligent electric meter embedded firmware patch upgrading method, medium and terminal

The invention is suitable for the technical field of intelligent electric meters, and relates to an intelligent electric meter embedded firmware patch upgrading method, a medium and a terminal.The intelligent electric meter embedded firmware patch upgrading method comprises the steps that S10, a main function of each function module reserves a function handle to a specified unused code interval, and a new function is added to make a special embedded firmware patch pack; s20, positioning based on the absolute address of the performance function table, and completing the punching of the special embedded firmware service pack; and S30, the intelligent electric meter receives the file header information issued by the HES system, and verifies and completes the upgrading of the special embedded firmware service pack. The method is simple in process and efficient in process, when a new function needs to be added or a problem needs to be modified, a complete upgrading process does not need to be ...

Cell -phone charge management case

... 本实用新型公开了一种手机充电管理箱，其包括箱体，箱体内一端角部设置有空气开关、大功率交流220V电源转直流5V开关电源、电源转接板和多个USB接线口，其它部位横置倾斜固定有多层手机长条搁置板；220V交流电源连接在空气开关的电源输入端，空气开关的电源输出端连接开关电源的电源输入端，开关电源的电源输出端连接电源转接板的电源输入端，电源转接板的正极电源输出端通过并联的多路USB输出电路连接源转接板的负极电源输出端；箱体的前面设置箱门，箱门上设置门锁。本实用新型存放手机安全，且能为各种型号的手机充电。 ...

Foldable multi-welding-position welding tool table

The invention relates to the field of welding tool tables, in particular to a foldable multi-welding-position welding tool table which comprises a test bed frame arranged on one side of a welding robot, and the upper end of the test bed frame is connected with a first overturning table and a second overturning table through two folding assemblies. A first clamping assembly and a second clamping assembly which are used for limiting a workpiece to be welded are arranged on the first overturning table and the second overturning table correspondingly, and the lower end of the first overturning table and the lower end of the second overturning table are connected with a U-shaped plate through sliding assemblies. The U-shaped plate is provided with a vibration cleaning assembly used for conducting vibration cleaning on welding slag on the surfaces after the first overturning table and the second overturning table are welded. According to the foldable multi-welding-position welding tool table, ...

Fuel cell impedance evaluation method and system, computer and vehicle

The invention relates to the technical field of fuel cells, in particular to a fuel cell impedance evaluation method and system, a computer and a vehicle. According to the method, the change of a disturbance signal applied to the pile and the frequency spectrum of a target disturbance signal not applied to the pile are calculated, the signal-to-noise ratios of the two frequency specified points are calculated, and the two signal-to-noise ratios are compared to evaluate the pile impedance value; the signal-to-noise comparison mode is adopted, so that the influence of fuel cell polarization on the numerical value accuracy, the measurement frequency range of the frequency impedance and the measurement accuracy of the low-frequency impedance can be ignored; the voltage divided by the current and the data deviation of two parameters are reduced, the design is simplified, and the accuracy is improved.

Tire pinning monitoring device based on electromagnetic sensing array

The invention discloses a tire pinning monitoring device based on an electromagnetic sensing array, the tire pinning monitoring device comprises an electromagnetic array, an excitation circuit, a detection circuit, a control circuit and an output interface, an electromagnetic probe comprises a non-magnetic skeleton, an excitation coil is arranged on the outer ring of the non-magnetic skeleton, the tire pinning monitoring device further comprises an electromagnetic sensor, and the excitation circuit is connected with the excitation coil; the detection circuit is connected with the electromagnetic sensor and the excitation circuit. The control circuit is connected with the excitation circuit and the detection circuit. The output interface is connected with the control circuit; the tire pinning intelligent monitoring device provided by the invention realizes pinning eddy current magnetic field anomaly detection based on the electromagnetic sensor, and can realize real-time, non-contact and ...

Traditional thread binding putting is carried automatically to electrified wire jumper of changing of 500kV transmission line

... 本实用新型提供了种500kV输电线路带电更换跳线自动提线装置，属于输电线路提线装置技术领域。种500kV输电线路带电更换跳线自动提线装置，包括绝缘拉棒和提线器，所述绝缘拉棒与所述提线器螺纹连接，所述提线器包括板状构件、对称设置于所述板状构件两侧的V型固定器Ⅰ及通过连接件Ⅰ与所述板状构件的底部连接的V型固定器Ⅱ，所述V型固定器Ⅰ和V型固定器Ⅱ的开口朝上。本实用新型500kV输电线路带电更换跳线自动提线装置结构合理，能够自动卡紧导线，防止提升过程中导线发生顺线路位移，有效缩短作业时间，降低工作人员的劳动强度，提升工作效率。 ...

Compound revetment of wire rod forced air cooling line

... 本实用新型公开了一种线材风冷线复合护墙，包括护板和设置于护板上且用于与盘条接触的耐磨板，耐磨板采用石墨材料制成。本实用新型的线材风冷线复合护墙，通过设置采用石墨材料制成的耐磨板，充分发挥石墨与热态盘条接触时具有的润滑作用，从而可以避免盘条擦伤，提高盘条表面质量。 ...

Cooperative treatment method for zinc concentrate and industrial sodium sulfate waste salt

The invention relates to a zinc concentrate and industrial sodium sulfate waste salt co-processing method which comprises the following steps: uniformly mixing zinc sulfide concentrate, industrial sodium sulfate waste salt and a flux according to a mass ratio of 100: (1-30): (1-20), adding the mixture into an oxidizing furnace, introducing oxygen-enriched air, and carrying out oxidizing smelting to obtain molten-state high-zinc slag and first flue gas rich in SO2; the molten-state high-zinc slag and a reducing agent are added into a reduction furnace, oxygen-enriched air is introduced, reduction smelting is conducted, and pig iron, reducing slag and second flue gas rich in metal zinc steam are obtained; the adding amount of the reducing agent is 30-80 wt% of the molten-state high-zinc slag; the reduction smelting temperature is 1400 to 1600 DEG C; the reduction atmosphere in the reduction furnace meets the condition that the molar ratio of CO to CO2 is (1.2-2.5): 1; and condensing and layering ...

Adjusting method for zero-point rotating speed of transmission

The invention relates to a transmission zero rotating speed adjusting method which comprises the steps that working condition parameters of a clutch are obtained, and the working condition parameters comprise the engine idle rotating speed and the dragging torque of the clutch; calculating the torque output by the clutch to the differential mechanism according to the drag torque; determining zero-point torque and corresponding zero-point rotating speed according to the torque output to the differential mechanism by the clutch; and adjusting the zero-point rotation speed according to the relation between the zero-point rotation speed and the engine idling rotation speed. According to the adjusting method provided by the invention, the torques output to the differential mechanism by the two clutches are superposed, the zero-point torque and the corresponding zero-point rotating speed can be accurately grasped, the phenomena of vehicle body movement, torque fluctuation and the like caused ...

Oil and gas pipeline detection control system and control method

The invention relates to the technical field of pipeline detection, in particular to an oil and gas pipeline detection control system and method, and the system comprises a detection point setting module, a parameter obtaining module, a parameter processing module, a state analysis module, a neural network module, a comparison module, and a scheduling control module. The optimal detection node of the oil and gas pipeline is determined by using the optimization decision tree, and the parameter information at the detection node is subjected to classification adaptive processing to obtain accurate parameter information of the oil and gas pipeline, so that a data basis is provided for detection control of the oil and gas pipeline, and a foundation is laid for efficient and high-precision detection of the oil and gas pipeline. The technical problems that in the prior art, a detection system is poor in detection accuracy and low in detection efficiency, and pipeline problems cannot be found and ...

Thumbtack needle puller

The invention relates to the field of medical instruments, and discloses a thumbtack needle remover which comprises a first clamp arm, a second clamp arm and two ring-shaped handles connected to the bottom end of the first clamp arm and the bottom end of the second clamp arm, the first clamp arm and the second clamp arm are connected through a hinge shaft arranged in a penetrating mode, and limiting stop levers are arranged on the inner sides of the bottom ends of the first clamp arm and the second clamp arm. Arc-shaped arms are fixedly connected to the top ends of the first forceps arm and the second forceps arm, a first needle lifting head and a second needle lifting head are fixedly connected to the top end of each arc-shaped arm, and a plurality of needle lifting anti-sticking strips are fixedly arranged at the positions, close to the front ends, of the inner sides of the first needle lifting head and the second needle lifting head. The thumbtack needle remover is simple in structure ...

Uninterrupted power supply (UPS) storage battery repairing and maintaining device and intelligent logic control method

The invention discloses a UPS storage battery repairing and maintaining device and an intelligent logic control method. The UPS storage battery repairing and maintaining device comprises a data processing module, at least one storage battery sulfur removal module, a local screen and a background server. The data processing module comprises a central processing unit, a storage battery pack acquisition circuit, an intelligent electric switch combination, a charging and discharging circuit, an uplink communication circuit and a downlink communication circuit; wherein the storage battery pack acquisition circuit acquires related data of the storage battery pack, the intelligent electric switch combination controls the storage battery pack to be charged and discharged after being merged into a direct-current bus or separated from the direct-current bus, and the charging and discharging circuit charges and discharges the connected storage battery pack. The central processing unit is used for ...

Demodulation method, system and device for micro-pressure measurement of Fabry-Perot cavity

The invention provides a demodulation method, a demodulation system and a demodulation device for micro-pressure measurement of a Fabry-Perot cavity. The demodulation method comprises the following steps: setting reference pressure; acquiring a first frequency spectrum corresponding to a Fabry-Perot cavity under the reference pressure; obtaining a first feature value, and selecting a first new metric from a sequence of the first feature value; constructing a function relationship according to the first new measurement and the reference pressure; acquiring a second frequency spectrum corresponding to the Fabry-Perot cavity during pressure measurement; obtaining a second characteristic value, and selecting the second characteristic value which is the same as the first new measurement sequence as a second new measurement; and obtaining a demodulated pressure measurement value according to the second new measurement and the function relationship. According to the invention, the problems of ...

Ship ultrahigh collision bridge early warning method based on differential GNSS (Global Navigation Satellite System) technology

The invention discloses a ship ultrahigh collision bridge early warning method based on a differential GNSS technology, and the method comprises the following steps: S1) carrying out the static and accurate measurement of the elevation of a bridge based on a differential GNSS, and obtaining the elevation of each bridge; s2) carrying out dynamic and accurate elevation measurement on the ship based on a differential GNSS (Global Navigation Satellite System); and S3) comparing the elevation of the ship at the moment with the previously measured elevation of the bridge when the ship is navigated to the water area of the bridge area, and judging whether the ship can safely pass through the bridge or not. According to the early warning method for the ultrahigh collision of the ship with the bridge based on the differential GNSS technology, the elevation of the bridge opening and the ship can be accurately calculated, the measurement precision is improved, the early warning requirement of the ...

Fire emergency danger avoiding system

The invention discloses a fire emergency risk avoiding system, which is used for an electric vehicle test room, and comprises a trigger part which is usually arranged in a control room outside the electric vehicle test room or a designated position of a test operator and is used for sending an electric signal to drive a tripping device to lock or loosen; the pull pile is fixed on a ground guide rail of a chassis dynamometer at the periphery of the tested vehicle; one end of the connecting piece is connected with the tested vehicle, and the other end of the connecting piece is connected with the tripping device; the tripping device is driven by the pneumatic device and can lock or loosen the connecting piece and the pull pile; the vehicle dragging device can move the tripped test vehicle out of the test room through remote control of an operator; the invention aims to avoid damage to a test room or test equipment fire (or fire extinguishing behavior) caused by accidental combustion of an ...

Synergistic treatment method for cyanidation tailings and copper-containing sludge

The invention relates to a cooperative treatment method of cyanidation tailings and copper-containing sludge, which comprises the following steps: adding treated cyanidation tailings, copper-containing sludge, a first reducing agent and a chlorinating agent into a first smelting furnace, introducing oxygen-enriched gas, and carrying out chlorination smelting to obtain molten slag and flue gas rich in metal chloride; the molten slag in the first smelting furnace is transferred into a second smelting furnace, meanwhile, a second reducing agent and a flux are added into the second smelting furnace, oxygen-enriched gas is introduced, reduction smelting is conducted, and CaO-MgO-SiO2 molten slag, molten iron and tail gas are obtained; and dust collection is conducted on the smoke rich in the metal chloride, and smoke dust rich in the metal chloride is obtained. According to the method, complete comprehensive utilization of the cyanidation tailings and the copper-containing sludge is achieved ...

Natural ester oil paper insulation damp state evaluation method based on dielectric response

The invention relates to a dielectric response-based natural ester oil paper insulation damp state evaluation method, and belongs to the technical field of transformers. In order to solve the problems that natural ester oil paper insulation lacks a damp diagnosis method and dielectric response of traditional mineral oil paper insulation lacks a quantitative method, all parameters of an extended Debye model are identified by adopting an enhanced marine predator algorithm, and then the dielectric response of the extended Debye model is determined according to the change of characteristic parameters. The invention discloses a method for diagnosing insulation moisture degree of natural ester oil paper.

Video pedestrian re-identification method based on multi-scale resolution alignment

The invention discloses a video pedestrian re-identification method based on multi-scale resolution alignment. The method comprises the following steps: constructing a multi-scale pedestrian video clip; inputting the video clips of different scales into a hierarchical multi-branch network to extract features; connecting the feature maps output by each scale branch in the time dimension, and generating a final video-level feature vector by using a global average pooling layer; constructing cross entropy loss, triple loss and mutual information loss to optimize the multi-branch network; repeating the steps until the model converges; after training is finished, feature vectors are extracted from the multi-scale pedestrian video clips through the multi-branch network, Euclidean distances between the feature vectors of the pedestrian video clips to be retrieved and the feature vectors of the candidate pedestrian video clips are calculated, and finally the pedestrian re-recognition result is ...

Ore sediment rough washing and conveying device of deep-sea mining vehicle and working method of ore sediment rough washing and conveying device

The invention discloses an ore sediment rough washing and conveying device of a deep-sea mining vehicle and a working method of the ore sediment rough washing and conveying device. The ore sediment rough washing and conveying device comprises a rough washing and conveying device body installed on the mining vehicle, and an ore collecting box is arranged at the output end of the rough washing and conveying device body. According to the ore sediment rough washing and conveying device of the deep-sea mining vehicle, the ore shaking mechanism can preliminarily remove sediment which is not attached to the surface of ore through the elastic force of the spring and the electric oscillation starting device, the difficulty of follow-up cleaning work is lowered, the service life of the device is prolonged, meanwhile, the ore temporary storage plate is in an inclined posture, and the service life of the device is prolonged. And ores can enter the hydraulic disturbance mechanism along with the inclined ...

Automatic watering and curing device for concrete

An automatic concrete watering maintenance device comprises a water tank and a centrifugal pump, maintenance water is contained in the water tank, a connecting pipe is installed between the water tank and the centrifugal pump, a stand column is further arranged, a spray head is fixedly installed at the top of the stand column, and a spray hose is installed at the position of a water inlet of the spray head. One end of the spraying hose is mounted at a water outlet of the centrifugal pump; a timer and an electromagnetic valve are installed at the position of the spray head, and the timer is used for starting opening and closing of the electromagnetic valve in a timing mode. The stand column comprises a fixed column body and a movable column body, the movable column body is installed in the fixed column body, and a fixing assembly is installed in the fixed column body and used for fixing the position of the movable column body. By means of the concrete curing device, automatic water spraying ...

High-performance self-compacting concrete for large-span highway-railway dual-purpose bridge

The invention relates to the field of concrete, and particularly discloses high-performance self-compacting concrete for a large-span highway-railway dual-purpose bridge. A high-performance self-compacting concrete for a large-span highway-railway dual-purpose bridge comprises 40-50 parts of cement, 35-45 parts of fly ash, 8-10 parts of coarse aggregate, 10-15 parts of a fine mixed admixture, 8-10 parts of vinyl acetate resin, 4-8 parts of polyacrylic acid resin, 5-6 parts of modified fibers and the balance of water, and the modified fibers are fibers obtained through organic siloxane modification. The product provided by the invention can be used for building a large-width highway-railway dual-purpose bridge, and has the advantages of good fluidity and high crack resistance.

Segment to change speed flotation device scraper blade and controlling means thereof

... 一种分段变速浮选机刮板及其控制装置涉及浮选池辅助设备技术领域，包括浮选池#1至#10，浮选池#1至#10对应有专用的刮板。浮选池#1至#3共用一号刮板，浮选池#4至#5共用二号刮板，浮选池#6至#8共用三号刮板，浮选池#9至#10共用四号刮板，一号刮板通过一号电机驱动，二号刮板通过二号电机驱动，三号刮板通过三号电机驱动，四号刮板通过四号电机驱动；一号电机与一号刮板之间设有一号机械变速箱，二号电机与二号刮板之间设有二号机械变速箱，述三号电机与三号刮板之间设有三号机械变速箱，四号电机与四号刮板之间设有四号机械变速箱；一号电机、二号电机、三号电机、四号电机的转速控制与电机控制模块相连。 ...

Production method of impregnation-free flame-retardant plywood

The invention discloses a production method of impregnation-free flame-retardant plywood, which comprises the following steps: step a, preparation of flame-retardant glue: adding 60-100 parts of flame retardant and 30 parts of flour into 100 parts of urea-formaldehyde resin glue, and uniformly stirring to obtain the flame-retardant glue; and b, the veneer which is not subjected to flame retardant treatment is aired to reach the preset water content, gluing is conducted, the gluing amount is controlled to range from 200 g/m < 2 > to 220 g/m < 2 >, and then the plywood blank is manufactured through the processes of cold pressing, repairing, hot pressing, putty scraping and sanding. According to the production method of the impregnation-free flame-retardant plywood, the problems of moisture absorption, mildewing, metal component corrosion and the like caused by using a traditional impregnation type flame retardant can be avoided, the flame retardant standard is met, and the process is simple ...

Handheld wall surface polishing device

The invention discloses a handheld wall surface polishing device, and relates to the field of wall surface polishing equipment, the technical scheme is that the handheld wall surface polishing device comprises an operating handle, a driving motor and a polishing head, and is characterized in that the polishing head comprises a dust cover, a transmission mechanism is arranged in the dust cover, and the input end of the transmission mechanism is coaxially fixed to an output shaft of the driving motor; a grinding disc is coaxially and fixedly arranged at the output end of the transmission mechanism, abrasive paper is installed on the grinding disc, and an adjusting mechanism used for adjusting the position of the grinding disc is arranged on the outer side of the transmission mechanism. One side of the dustproof cover is provided with a dust discharge port which is provided with a dust discharge pipe, one end of the dust discharge pipe is communicated with a hose, and the hose is communicated ...

Flame-retardant plywood and preparation method thereof

The invention belongs to the field of plywood preparation, and particularly relates to flame-retardant plywood and a preparation method thereof.The preparation method comprises the steps that an inorganic adhesive is used for conducting sizing and blank assembling on dried wood veneers to obtain a blank plate, and the inorganic adhesive comprises modified sodium silicate, flame-retardant metal oxide and waterborne polyurethane; after cold pressing treatment is conducted on the blank plate, the blank plate is subjected to curing, fixed-thickness sanding and veneering, and a plywood base material is obtained; and the plywood base material is subjected to cold pressing and then hot pressing treatment, and the flame-retardant plywood is obtained. According to the flame-retardant plywood and the preparation method thereof, through ingenious blending of the inorganic adhesive, the bonding strength between the wood veneers is greatly improved, and the prepared flame-retardant plywood is better ...

SEMICONDUCTOR DEVICE, METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, AND ELECTRONIC APPARATUS

The invention provides a semiconductor device, a manufacturing method of the semiconductor device and electronic equipment, first field plate polycrystalline silicon in a groove is arranged to be a plurality of stacked L-shaped structures, and the first field plate polycrystalline silicon on the same layer is connected through voltage dividing ring metal to form a voltage dividing cascade groove field plate structure. Therefore, by increasing the number of the voltage division cascade field plates in the unit trench depth, the electric field distribution in the drift region is closer to rectangular distribution, and higher voltage withstanding efficiency is realized, so that the area of the drift region of the active region is increased, the resistivity of the drift region is reduced, and the current density of the device is improved.

Marine environment monitoring device based on marine ecological restoration engineering

The invention discloses a marine environment monitoring device based on marine ecological restoration engineering, which comprises a monitoring main body and a sampling detector, and is characterized in that the monitoring main body comprises a base, a rotating motor is fixedly arranged on the base, an output shaft of the rotating motor is connected with a turntable, and a telescopic motor is fixedly arranged in the center of the turntable; an output shaft of the telescopic motor is connected with a fixing frame of the sampling detector, the sampling detector comprises the fixing frame and a water quality detector fixed on the fixing frame, and a sampling port of the water quality detector is connected with the high-position sampling pipe, the middle-position sampling pipe and the low-position sampling pipe respectively. The marine environment monitoring device based on the marine ecological restoration engineering can perform monitoring work on the sea for a long time, and does not need ...

Underarm odour minimal access surgery electric scraper

... 本实用新型涉及一种腋臭微创手术电动刮刀，解决了现有腋臭微创手术操作复杂、清除难道和工作强度高、增加患者痛苦的问题。技术方案包括柱状壳体，所述壳体上段内设有螺旋刮刀，下段设有电动机，所述螺旋刮刀的下端与电动机的输出轴连接，所述壳体上段一侧开有刮刀窗口，所述螺旋刮刀与壳体之间具有导流间隙，所述导流间隙经壳体下端的引流口与负压装置连通。本实用新型结构简单、操作简便、省时省力、清除效率高、效果好、有效减轻患者痛苦。 ...

Fuel cell control system

The invention provides a fuel cell control system. The fuel cell control system comprises a fuel cell controller, a fuel cell system and a data acquisition controller, the fuel cell controller is electrically connected with the fuel cell system, and the data acquisition controller is electrically connected with the fuel cell controller; the data acquisition controller comprises a first enabling activation circuit, a level driving circuit, a first control circuit and a first communication circuit; and the first enabling activation circuit, the level driving circuit and the first communication circuit are electrically connected with the first control circuit. A data acquisition controller is arranged, the data acquisition controller comprises a first enabling activation circuit, a level driving circuit, a first control circuit and a first communication circuit, the first enabling activation circuit of the data acquisition controller can receive a far-end signal, so that a fuel cell controller ...

Vehicle hydrogen system hydrogenation switch control system and method

The invention discloses a vehicle hydrogen system hydrogenation switch control system and method, and the method comprises the following steps: S1, a hydrogen cover switch monitoring sensor detects whether a hydrogenation cover is opened or not and transmits the detection result to a controller, and whether a hydrogen bottle opening valve drive circuit controls a bottle opening valve to be switched to a hydrogenation open state or not is collected; s2, the controller emits an infrared signal and detects whether the hydrogenation muzzle is inserted in place or not; a hydrogen supply port infrared signal transmitter is controlled to transmit a hydrogenation infrared signal to a hydrogenation muzzle infrared signal receiver, and a hydrogenation muzzle starts hydrogenation operation; and S3, monitoring the hydrogenation starting time in the controller, and stopping hydrogenation after the conditions are met. Whether hydrogenation environment detection is met or not is firstly carried out, the ...

Lignan compound as well as preparation method and application thereof

The invention provides a lignan compound as shown in the following formula as well as a preparation method and application of the lignan compound. The compound is novel in structure, can selectively and remarkably inhibit gene transcription and secretion of a cytokine IL-1beta in macrophages, has a good effect of treating acute liver injury under the condition of low-concentration drug delivery, and is expected to be applied to preparation of anti-inflammatory and liver-protecting drugs. The invention relates to an extraction and separation preparation method of the compound, and also relates to a lead compound provided for research and development of anti-inflammatory and liver-protecting drugs.

Remote upgrading method, device and equipment for vehicle controller and storage medium

The invention provides a remote upgrading method, device and equipment for a vehicle controller and a storage medium, and the method comprises the steps: obtaining a backup program of a current program in the vehicle controller and an upgrading program of the vehicle controller, and storing the backup program in a first partition of a preset memory; then erasing a second partition of the preset memory based on the backup program in the first partition; and finally, writing the upgrading program into the erased second partition, and upgrading the vehicle controller based on the backup program in the first partition and the upgrading program in the second partition. According to the method and the device, the program required by running of the vehicle controller is backed up, the backup program is directly stored in the first partition of the preset memory during upgrading, and the backup program and the upgrading program are used for jointly executing upgrading under the condition that the ...

Shear-method symmetrical hollow-core base material wooden board, preparation method and application

The invention discloses a shearing-method symmetrical hollow-core base material wooden board, a preparation method and application, the shearing-method symmetrical hollow-core base material wooden board comprises a shearing-method symmetrical hollow-core base material, a balance layer, a buffer layer and a decorative layer are sequentially arranged on the front face and the back face of the base material from inside to outside, the balance layer is a eucalyptus or poplar veneer, the thickness of the balance layer is 1.7-3.0 mm, and the thickness of the buffer layer is 1.5-2.5 mm. The buffer layer is a high-density fiberboard, the thickness of the buffer layer is 1.7-3.0 mm, and the decorative layer is decorative bond paper. The hollow base material is symmetrical through a shearing method, the weight of the door plate is reduced, transportation and installation are convenient, meanwhile, internal stress transmission is cut off through the hollow part, and overall deformation is avoided.

Underwater buried target position and buried depth measuring system and method

The invention discloses an underwater buried target position and buried depth measuring system and method, and relates to the technical field of underwater buried target detection. The underwater buried target position and buried depth measuring system comprises an underwater subsystem, a water surface subsystem, an interconnection subsystem and a receiving and releasing subsystem, and the underwater subsystem and the water surface subsystem are in communication connection with the interconnection subsystem; the water surface subsystem is electrically connected with the retracting and releasing subsystem; the underwater subsystem is used for synchronously working in real time, synchronously outputting three types of information of terrain, landform and three-dimensional shallow stratum in real time, and acoustically imaging three types of targets of suspension, sinking and burying; the water surface subsystem is used for processing the collected real-time data. The problems that in traditional ...

Oil and gas pipeline monitoring system adopting Internet of Things technology

The invention relates to the field of data processing, in particular to an oil and gas pipeline monitoring system adopting the Internet of Things technology, and the system comprises a vibration data collection module which is used for collecting the amplitude of each position at each moment; the abnormal vibration recognition module is used for obtaining the abnormal vibration degree according to the collected amplitude; the abnormal vibration distinguishing module is used for obtaining the adjacent possibility of each position and each moment according to the abnormal vibration degree; according to the abnormal vibration degree and the adjacent possibility, the continuous abnormal possibility of each moment at each position is obtained; obtaining the continuous possibility of each moment at each position according to the continuous abnormal possibility; according to the adjacent possibility, the abnormal vibration degree and the continuous possibility, the final abnormal vibration possibility ...

Anti-misoperation and self-checking redundancy device of storage battery remote capacity checking discharge equipment

The invention discloses an anti-misoperation and self-checking redundancy device of storage battery remote capacity checking discharge equipment. The anti-misoperation and self-checking redundancy device comprises an input interface circuit and two switch control and feedback units, the input interface circuit is connected with three direct-current circuit breakers of a main loop of the storage battery remote capacity checking and discharging equipment and three direct-current contactors of a discharging loop, and is used for feeding back each switch state; each of the two switch control and feedback units comprises a processor, a switch, a power supply, an input and output interface circuit and nine signal relays. Each signal relay forms a control loop with the direct-current circuit breaker and the direct-current contactor to control the on and off of the direct-current circuit breaker or the direct-current contactor, so that the functions of preventing misoperation and self-checking ...

Rock-soil body parameter inversion method and system based on while-drilling test

The invention belongs to the technical field of intelligent exploration, and particularly relates to a rock-soil mass parameter inversion method and system based on a test while drilling, based on a drilling process, a large amount of geological information, including important information such as various physical and mechanical properties of a rock-soil mass, contained in the drilling process is interpreted through a drilling parameter test; a rock-soil body parameter identification information base is established based on three parameter inversion schemes, the accuracy of rock-soil body parameter identification is greatly improved, compared with a traditional method, the method has the advantages of being rapid, efficient and the like, rock body parameters can be obtained in real time, stratum key elements can be inversely identified, and engineering can be guided to be conducted smoothly; massive while-drilling data processing and fitting are carried out by means of artificial intelligence ...

Construction method and device of half anti-rising cosine window function and filter

The invention discloses a construction method and device of a half anti-rising cosine window function and a filter. The method comprises the steps that feedback integral operation processing is carried out on an input signal to obtain a first integral output signal, integral operation is carried out on the first integral output signal to obtain a second integral output signal, and closed-loop feedback is formed; performing delay processing on the input signal to obtain a first delayer output signal; performing delay proportional control processing on the second integral output signal to obtain a first proportional controller output signal; a first delayer output signal and a first proportional control output signal are subjected to numerical operation processing, a half anti-rising cosine window function is constructed, and a steepest tracking filter is designed through the half anti-rising cosine window function. According to the embodiment, the performance of outputting the tracking input ...

Automatic driving lane changing decision-making method and device, vehicle and computer storage medium

The invention discloses an automatic driving lane changing decision-making method and device, a vehicle and a computer storage medium. The automatic driving lane changing decision-making method comprises the steps of obtaining a lane changing demand instruction of a user; according to the lane changing demand instruction, whether the current lane changing gap is larger than or equal to the minimum lane changing gap or not is judged; and if the current lane changing gap is greater than or equal to the minimum lane changing gap, determining that a lane changing decision result is lane switching according to the lane changing demand instruction. According to the automatic driving lane changing decision-making method and device, the vehicle and the computer storage medium, whether the current lane changing gap is larger than or equal to the minimum lane changing gap or not is judged according to the lane changing requirement instruction of the user, and when the current lane changing gap is ...

Application deployment method and device

The invention discloses an application deployment method and device, and is applied to the technical field of application deployment. According to the method and the device, the environment variables in the deployment file of the application are extracted to form the application template. And configuring an environment variable and related configuration information in each kubernetes cluster. And according to a load balancing mode, determining a release step of each kubernetes cluster. And replacing the variable value of the environment variable in the application template with the variable value of the environment variable in each kubernetes cluster. Through a mode of forming an application template, one application can be deployed to a plurality of kubernetes clusters only through one-time arrangement. Even if the same application is deployed for multiple times, publishing difference caused by different environments is avoided, and the application does not need to be modified in multiple ...