Filter element surface cleaning device

The invention discloses a surface cleaning device for a filter element of a filter. Belongs to the technical field of filter cleaning. According to the technical key points, the cleaning device comprises a rack, a cleaning platform is hinged to the rack, and an opening and closing assembly matched with the cleaning platform is arranged on the rack; a first motor is vertically arranged below the cleaning platform, and an output shaft of the first motor penetrates to the upper part of the cleaning platform and is connected with a rotating shaft for placing a filter element; a cleaning brush head is arranged on one side of the cleaning platform, and a driving assembly used for driving the cleaning brush head to move is arranged on the rack. An annular guide rail used for enabling the cleaning brush head to clean the filter element from top to bottom is arranged on the rack, and one end, close to the cleaning platform, of the annular guide rail is a vertical section; the invention aims to provide ...

METHOD FOR REALIZING COMBINED ONLINE AND OFFLINE MINI-FOOTBALL GAME

A method for realizing a combined online and offline mini-football game, the method comprising at least the following steps: setting up a field of play (1); providing a terminal device in the field of play (1), the terminal device having the functions of receiving and recording game data in real time, analyzing game statistics, and connecting to the Internet and uploading the data; providing at least a server, the server having at least a memory module, a wireless transmission module, and a downloadable and editable application program, the wireless transmission module is connected to the memory module, the wireless transmission module is connected to the terminal device via the Internet, and the application program comprises at least a registration unit.

一体机(23、8寸)

Application of integrin protein ITGA5 as marker in preparation of medicine for treating hyperleukocyte acute myelogenous leukemia

The invention discloses application of integrin protein ITGA5 as a marker in preparation of drugs for treating hyperleukocyte acute myelogenous leukemia, and belongs to the technical field of medicines. The invention finds that a patient with high leukocyte acute myelogenous leukemia (HAML) specifically and highly expresses integrin ITGA5, and migration, invasion and proliferation of HAML cells can be effectively inhibited by inhibiting expression or activity of the whole ITGA5. The invention provides an application of ITGA5 as a marker in preparation of a medicine for treating HAML, an application of an ITGA5 inhibitor in preparation of a medicine for treating HAML and an application of an ITGA5 inhibitor in preparation of a medicine for inhibiting HAML leukocyte migration, invasion and proliferation, and further provides an application of a reagent for detecting the expression level of ITGA5 in preparation of a reagent or a kit for diagnosing HAML.

Logistics heavy object carrying device with automatic loading and unloading functions

The invention discloses a logistics heavy object carrying device with automatic loading and unloading functions, comprising: a moving platform, the left side of the upper end of which is provided with a limiting groove; the mounting frame is arranged on the right side of the signal receiving and transmitting box and mounted on the upper side of the moving platform, a mounting mechanism is arranged on the outer side of the height adjusting rod, and a distance adjusting rod is mounted on the inner side of the height adjusting mechanism; the carrying mechanism is mounted on the right side of the adjusting mechanism; the limiting seat is installed at the lower end of the height adjusting rod, a connecting wheel installed in the moving platform is arranged at the outer end of the transmission mechanism, and the transmission mechanism comprises an installation seat, a connecting seat and a transmission rod. According to the heavy object carrying device with the automatic loading and unloading ...

PIXEL UNIT DRIVE CIRCUIT AND DRIVE METHOD, PIXEL UNIT AND DISPLAY DEVICE

Provided are a pixel unit drive circuit and drive method, a pixel unit and a display device. The pixel unit drive circuit is used for driving a light-emitting device to emit light, and comprises a first thin-film transistor (T1), a second thin-film transistor (T2), a third thin-film transistor (T3) and a storage capacitor (Cs). The gate electrode of the first thin-film transistor (T1) is connected to a scanning line (Gate), a first electrode is connected to a data line (Data), and a second electrode is connected to a first node (A). One gate electrode of the second thin-film transistor (T2) is connected to the scanning line (Gate), the other gate electrode is connected to a second control line (Scan2), a first electrode is connected to the storage capacitor(Cs), and a second electrode is connected to a second node(B). One gate electrode of the third thin-film transistor (T3) is connected to the first node (A), the other gate electrode is connected to the second control line (Scan2), a first ...

Method and system for establishing social economic index description text library

The invention relates to the technical field of economics text recognition, in particular to a social economic index description text library establishment method and system, and the method comprises the following steps: S100, constructing an administrative division text library according to administrative division data; s200, obtaining index names, and constructing a standard index name text library after low-case processing; s300, performing word segmentation processing on words and sentences in the administrative division text library and the standard index name text library, and generating a word segmentation result which comprises a plurality of phrases; and S400, according to a pre-stored vocabulary library, adding a determiner with part-of-speech tagging at the tail of each word group, and generating a word segmentation tagging result. By adopting the scheme, aiming at the characteristics of the social economic index description text, a more comprehensive text library is established ...

Three-way reducing main pipe one-time forming process and three-way reducing main pipe one-time forming device

The invention belongs to the technical field of pipe machining, and particularly relates to a three-way reducing main pipe one-time forming process and device which comprises a shaping shell and a pressurizing top plate, the middle of the bottom end of the pressurizing top plate is fixedly connected with an upper pressing cover through a vertical pressing rod, and the two sides of the bottom of the pressurizing top plate are both fixedly connected with adjusting components. The side pressing device can extrude the through pipe placed in the middle of the inner cavity of the shaping shell. The device can extrude a bidirectional metal through pipe into a three-way pipe, but the extruded end of the directly-pressed three-way pipe needs to be subjected to penetrating and cutting work, so that after the three-way pipe is extruded, a through opening in the bottom of the three-way pipe is opened through the drilling device, and due to the fact that the drilling device moves from bottom to top, ...

Miniature vibrator suitable for indoor concrete model test

... 本实用新型公开了一种室内混凝土模型试验的微型振捣器，由橡皮电缆、电动机、开关、手把盘、软轴、振动器、振动头构成。电动机通过橡皮电缆接通电源，手把盘固定在电动机顶端，开关安装在电动机右侧部位，电动机与振动头通过软轴连接，振动头内部安装一个振动器。这种室内混凝土模型试验的微型振捣器，可以方便快捷的实现微型与形状不规则室内试验混凝土试件的浇筑，排除混凝土中气泡，消除混凝蜂窝麻面等现象，以提高其强度，保证混凝土构件的质量。低频的震动能够较好的保护混凝土内部的测试仪器，大大提高了室内混凝土模型试验的准确程度，更确保了试验的安全，节省了试验宝贵空间。 ...

Power supply circuit and method supporting wide voltage power supply

The invention discloses a power supply circuit and method supporting wide voltage power supply, and the circuit comprises a power supply voltage detection circuit which is connected with an adapter power supply interface and is used for collecting the power supply voltage of the adapter power supply interface; the voltage conversion circuit comprises at least one step-down circuit and at least one step-up circuit, one output of the voltage conversion circuit is directly connected with a main control chip of the load, and other outputs of the voltage conversion circuit are connected with the load power supply control circuit; the load power supply control circuit is a multi-way switch, and each way of switch is correspondingly connected with one way of output of the voltage conversion circuit; and the load power supply control circuit is connected with a main control chip of the load, and is used for controlling the on-off of each switch after receiving a driving signal of the main control ...

Crankshaft gear heating press-fitting equipment

The invention discloses crankshaft gear heating and press-fitting equipment, and relates to the technical field of automobile part manufacturing, the crankshaft gear heating and press-fitting equipment comprises a gear feeding mechanism, a gear cleaning and blow-drying machine is mounted on one side of a gear grabbing robot, a gear detection table is mounted on the other side of the gear grabbing robot, and an NG unqualified discharging table is connected to one side of the gear detection table; a machine tool sealing protective cover is installed on the side, away from the NG unqualified discharging table, of the gear detection table, and a gear heating press-fitting mechanism is installed in the machine tool sealing protective cover. The invention relates to automatic production equipment for gear and crankshaft press fitting, which comprises gear self-cleaning, detection, NG unqualified blanking, detection station calibration, gear inner ring high-frequency heating, smoke treatment, ...

Application of arachidonic acid in preparation of medicine for preventing and treating ionizing radiation injury

The invention provides application of arachidonic acid in preparation of a medicine for preventing and treating ionizing radiation injury, and belongs to the technical field of medicines. The arachidonic acid provided by the invention can significantly improve the survival rate and weight reduction of mice after X-ray ionizing radiation, the injury of spleen and small intestine, and the increase of inflammation level. Specifically, an experimental mouse has no abnormal reaction, the survival rate is obviously increased, the body weight and the spleen weight are improved, the hematopoietic function is recovered, the intestinal regeneration capacity is improved, the intestinal inflammation level is obviously reduced, and the toxic and side effects of the mouse are relatively low, so that the arachidonic acid has a wide application prospect in relieving the ionizing radiation injury.

Verification method and verification device for design to be tested

The invention provides a verification method and a verification device for a to-be-tested design. A to-be-tested design comprises one or more execution units in a processor, the processor comprises a plurality of transmitting channels, the transmitting channels are used for transmitting instructions to the one or more execution units, and the verification method comprises the steps of obtaining a to-be-assigned instruction set; according to instructions in a to-be-dispatched instruction set, to-be-transmitted instructions corresponding to the multiple transmitting channels are determined through an instruction dispatching module, and the instruction dispatching module is used for controlling instruction dispatching modes of the multiple transmitting channels; generating an excitation signal of the to-be-tested design according to the to-be-transmitted instructions respectively corresponding to the plurality of transmitting channels; and verifying the to-be-tested design according to the ...

Method for rapidly constructing acute leukemia PDX model through microenvironment modification

The invention discloses a method for rapidly constructing an acute leukemia PDX model through microenvironment modification. The method comprises the following steps: inoculating leukemia cells and cell factors IL-1beta and OPN into a mouse body irradiated by x-ray radioactive rays. After cell factors IL-1beta and OPN are inoculated into the body of the mouse, the original microenvironment of the mouse can be changed, and a favorable microenvironment for maintaining dryness and proliferation is provided for leukemia cells. Compared with a method for constructing a model without adding cytokines, the mouse PDX model constructed by the method is shorter in leukemia cell reconstruction time and higher in reconstruction efficiency, and the establishment method for rapidly constructing the acute leukemia PDX model through microenvironment modification provides an important basis for scientific research of acute leukemia.

Automobile safety early warning method and system

The embodiment of the invention discloses an automobile safety early warning method and system, and belongs to the technical field of automobiles. By means of the method, the vehicle-mounted terminal can determine whether the air cylinder works normally or not by monitoring the air pressure parameter value and the working state of the air cylinder in real time. After the vehicle-mounted terminal determines that the air cylinder works abnormally, a user can be prompted to carry out corresponding processing. After components of an engine are damaged, the air pressure parameter value of an air cylinder is generally influenced. Therefore, by monitoring the air pressure parameter value of the air cylinder in real time, it can be determined that an engine is damaged, and the safety problem possibly occurs to an automobile. Thus, safety early warning is carried out through the air pressure parameter value of the air cylinder, a user can find the problems of the automobile in time, safety accidents ...

Automatic preparation system for trace dissolved ternary mixed gas standard solution

The invention discloses an automatic preparation system of a trace dissolved ternary mixed gas standard solution, which comprises a carrier gas unit used for providing a protective gas, a fixed-proportion gas conveying unit used for providing a high-purity component gas with a preset proportion; the gas mixing unit is used for mixing the high-purity component gas to obtain target gas; the liquid supply unit is used for providing a target stock solution; the gas-liquid mixing unit is used for stirring and mixing to obtain a standard solution, and the gas detection unit is used for measuring the content of each component in discharged target gas. According to the preparation system, the specific content of each component gas actually dissolved in a target solution is calculated according to the preset mass flow of each component gas introduced and the mass flow of each component gas detected by a gas detection unit, so that the proportion of each component of the preset component gas is further ...

Device for monitoring multiple parameters of soil

The invention discloses a device for monitoring multiple parameters of soil, which comprises a measuring box body, the measuring box body is erected on a movable dust supporting frame, a positioning groove and an elastic limiting belt jointly play a role in fixing the measuring box body, the positioning groove plays an overall limiting role in the monitoring box body, and the elastic limiting belt further strengthens peripheral limiting of the monitoring box body. The fixing mode facilitates installation and taking-out operation of the monitoring box body, the monitoring box body can be taken out only by pulling down the elastic limiting belt, and operation is extremely easy and convenient. A damping wheel assembly is arranged at the end of the outer side wall of the bearing beam, the damping wheel assembly is arranged to play a role in damping and protecting the movable bearing frame and the monitoring box body on the movable bearing frame while the movable bearing frame is convenient ...

Method for automatically generating data visualization scheme

The invention relates to the technical field of data visualization, in particular to a method for automatically generating a data visualization scheme, which comprises the following steps of: S1, acquiring query data needing to be visualized; according to the obtained query data, identifying attributes corresponding to the query data, and labeling the attributes with attribute tags; according to the attribute tag, on the basis of an attribute tag rule, a suitable visual chart type is matched from a visual chart library, and a corresponding visual chart list is generated; according to the query data, identifying the data volume and the data distribution condition in the query data, judging the adaptability of each visual chart in the visual chart list, and according to the corresponding adaptability, adjusting the weight value of the visual charts in each visual chart list; according to the adjusted weight values of the visual charts, the arrangement sequence of the visual charts in the ...

Method for improving acid and aluminum resistance of sugarcane

The invention discloses a method for improving acid and aluminum resistance of sugarcanes. The method comprises the following steps: (1) treating a planting field; (2) pretreatment of sugarcane seed stems; (3) planting; (4) acid-resistant aluminum management; (5) strengthening field management; and 6) harvesting. The tea polyphenol and the anthocyanin are combined and applied to sugarcane planting, growth of sugarcane root systems under acid-aluminum stress can be effectively promoted, the sugarcane nutrient absorption capacity is enhanced, and the problems that plants are thin and weak, the sugar content is low, and the yield is low due to the fact that the sugarcane is poor in root system development, thin and weak in root system and insufficient in nutrient intake in acid soil are effectively solved; the positive effects of high yield, stable yield and excellent yield are achieved, the sensitivity of the sugarcane to the acid soil can be reduced, the acid aluminum resistance of the sugarcane ...

A FLUE GAS PURIFICATION DEVICE

... 本实用新型公开了一种烟气净化装置，包括烟气净化单元、吸收剂供应单元、浆液氧化单元及石膏脱水单元，所述烟气净化单元包括烟气出口烟道、除雾段、喷淋层及吸收段，所述烟气出口烟道与除雾段之间设有至少一湿式电除尘器。本实用新型结构简单，安装便捷，增加了排放烟气的洁净度，减少了最终排放入大气中烟气的污染物含量。 ...

Key information extraction method for social economic index description text

The invention relates to the technical field of economics text recognition, in particular to a key information extraction method for social economic index description texts, which comprises the following steps: S100, constructing an administrative division text library and a standard index name text library; s200, obtaining a query text input by an input end, and generating a query text labeling result; s300, according to a query text labeling result, extracting labeled segmented words with part-of-speech as place names, and generating candidate administrative divisions; s400, extracting segmented words of which the tagged parts of speech are quantifiers, and generating candidate years; s500, extracting the marked part-of-speech as segmented words of other part-of-speech, and generating candidate index names; s600, comparing the candidate administrative divisions with data in an administrative division text library to generate an administrative division recognition result; and generating ...

Rolling-resistant sugarcane variety screening method

The invention discloses a rolling-resistant sugarcane variety screening method. The method comprises the following steps: (1) seed selection and cultivation; (2) performing a contrast experiment; (3) primary screening; (4) secondary screening; the method comprises the following steps: hybridizing, obtaining hybrid seedlings, directly carrying out a contrast experiment on the hybrid seedlings in prepared compact stress soil, culturing and observing, and obtaining a primarily screened rolling-resistant sugarcane strain according to the survival rate and the plant height ratio, because the root systems of the hybrid seedlings are not complicated like the root systems of sugarcane bags, the operation difficulty is low, and the error is small; besides, according to the method, a dairy cow milk production experiment is carried out on the primarily-screened rolling-resistant sugarcane strain, so that a new sugarcane strain with high milk yield is screened out, the sugarcane can be converted between ...

CACHE REINFORCEMENT METHOD AND DEVICE CAPABLE OF RESISTING SIDE CHANNEL ATTACKS

Disclosed are a cache reinforcement method and device capable of resisting side channel attacks. In the present invention, one allocator identification ALLOCATOR field is added to each cache table entry; when one table entry is allocated in a cache, an identifier of a currently running software domain of a processor is filled into an ALLOCATOR field of an allocated table entry; when the cache is accessed, a cache entry can be hit only when the identifier of the currently running software domain of the processor is the same as the ALLOCATOR field in a cache table entry; when the existing table entry in the cache is to be replaced, if the cache table entry to be replaced is invalid or the allocator field thereof is the same as the identifier of the currently running software domain of the processor, the cache table entry to be replaced can be directly replaced, and otherwise, the entire cache is emptied. The present invention can reinforce the cache in the processor with less hardware, resist ...

AIRPLANE SUSPENSION COWLING STRUCTURE WITH WING-MOUNTED ARRANGEMENT

Provided is an airplane suspension (20) cowling structure with a wing-mounted arrangement, the cowling structure comprising a front cowling located in front of the leading edge (31) of a wing and a rear cowling located at the back of the leading edge (31) of the wing; the vertical section line (G) of the front cowling is curved, ascending along air flow direction from a start point (p) of an engine nacelle (10) to the maximum height position and then descending and extending below the lower surface (32) of the wing. In the present invention, due to the curved vertical section line of the front cowling of the suspension, inner space of the suspension is met only in the position requiring greater inner space, thus enabling the engine to be mounted close to the wing without additional devices; and the cowling aerodynamic surface of the suspension will not extend to the upper surface of the wing, avoiding interference of the suspension with the wing during cruising.

3D VISION PLATE

A 3D vision plate (1) includes non-transparent lines (2). Transparent gaps (3) are uniformly distributed between the lines. The gaps are matched with pretreated images. The lines are regularly arranged, and the sizes of the parts which are shielded by the lines are the same so as to generate the vision effect. By attaching the 3D vision plate to a normal display device or TV, the image with 3D effect can be directly viewed. The 3D vision plate has the advantage of easy assembly, convenient use, and low price.

Bacterial strain for producing astaxanthin by fermenting biomass saccharification liquid and application of bacterial strain

The invention discloses a bacterial strain for producing astaxanthin through fermentation of biomass saccharification liquid and application of the bacterial strain. The bacterial strain is classified and named as Phaffia rhodozyma H15, and the preservation number of the bacterial strain is CCTCC NO: M 20221891. The mutant strain H15 obtained through plasma mutagenesis has high tolerance and can well adapt to biomass hydrolysis saccharification liquid, the yield of astaxanthin produced through fermentation can reach 225.86 mg/L with the mutant strain H15 as the unique carbon source, the content of the astaxanthin is 11.2 mg/g of dry cell weight, and the astaxanthin content is 1.3 times that of an original strain cultured under the same condition. The strain is high in astaxanthin yield per unit and good in stability, and is an excellent strain suitable for industrial application. The technology is simple in process step, short in fermentation time, wide in raw material source and capable ...

Financial time series processing method based on convolutional neural network and attention mechanism

The invention discloses a financial time sequence processing method based on a convolutional neural network and an attention mechanism, relates to the field of financial time sequence processing, and solves the problems that the existing financial time sequence processing is manually carried out, the precision is poor and the efficiency is low. According to the method, a convolutional neural network learning system is connected with an attention mechanism system and a model training system, so that training can be carried out through the model training system when the convolutional neural network learning system sends a new risk model provided by a risk diagnosis system to a risk database or directly receives the new risk model; therefore, the diagnosis accuracy of the convolutional neural network learning system is further improved, and the accuracy of the convolutional neural network learning system during financial product diagnosis can be improved by the attention mechanism system.

Vertical oil press for idesia polycarpa

The invention relates to the technical field of idesia oil preparation, and discloses an idesia vertical oil press which comprises a hydraulic oil press body, the hydraulic oil press body is sleeved with an annular oil receiving frame, the top of the hydraulic oil press body is fixedly connected with a supporting plate, and a sediment filtering assembly is installed at the top of the supporting plate; the precipitation filtering assembly comprises a first oil tank and a second oil tank which are fixedly connected with the top of the supporting plate, the interior of the first oil tank is divided into a precipitation area with the width of one end of the bottom being large and an oil area with the width of one end of the top being small, and the tops of the first oil tank and the second oil tank communicate with a conveying frame; a filter screen is fixedly connected between the two sides of the inner wall of the first oil tank, and a pushing assembly is installed in the first oil tank.

Application of combination of bortezomib and DAG in preparation of medicine for treating hyperleukocyte acute myelogenous leukemia

The invention discloses application of bortezomib combined with DAG in preparation of a medicine for treating hyperleukocyte acute myelogenous leukemia, and belongs to the technical field of medicines. The bortezomib and the DAG are combined to inhibit leukemia cell growth and induce leukemia cell apoptosis, so that the leukemia modeling mouse bone marrow leukocyte proportion is reduced, and a good treatment effect is achieved. The bortezomib and the DAG can be used for preparing drugs for inhibiting leukemia cell growth, drugs for inducing leukemia cell apoptosis and drugs for treating acute myelogenous leukemia.

Control system based on carding machine

The invention provides a control system based on a carding machine, and relates to the technical field of control systems.The control system comprises a base and a center control seat, buttons are installed on the top end face of the center control seat in a rectangular array mode, electromagnetic plates are fixedly connected to the four corners of the top end face of the center control seat, and spring rods are fixedly connected to the top ends of the four electromagnetic plates; a bottom plate is mounted at the top end of the spring rod, and the problems that in the using process of an existing control system, due to the fact that an external operation button is in a continuously exposed state, an effective prompt structure is lacked when an operator operates the operation button, normal work of the carding machine is easily affected by misoperation of the operator, and the working efficiency of the carding machine is affected are solved. The marking lamp is used for correspondingly illuminating ...

Automatic silt separation device for water conservancy project

The invention discloses an automatic silt separation device for water conservancy projects, and belongs to the technical field of silt treatment in water conservancy projects, the automatic silt separation device comprises a box body and a feeding groove formed in the top of the box body, the top of the box body communicates with a water inlet pipe, and a transverse plate is fixedly connected to the interior of the box body; a plurality of groups of first through grooves and second through grooves are formed in the transverse plate; filtering units are arranged in the first through groove and the second through groove, and collecting units matched with the filtering units are arranged at the bottom of the transverse plate. Sewage enters the storage box through the flow guide channel and flows from the bottom of the filter plate to the top of the filter plate, and in the process, gravel and the like clamped on the filter plate can be taken away along with water flow, so that the filter plate ...

Oil-based foaming agent and preparation method thereof

The invention provides a preparation method of an oil-based foaming agent, which comprises the following steps: carrying out first reaction on an amino compound, an acid-binding agent, an organic solvent A and a fluorine-containing compound to obtain a reaction product; and carrying out second reaction on the reaction product, an organic solvent B and alkyl halide to obtain the oil-based foaming agent. The invention also provides an oil-based foaming agent and application thereof. The oil-based foaming agent provided by the invention can significantly reduce the surface tension of diesel oil, has strong foaming ability and foam stability in diesel oil, and can be used for preparation of oil-based foam drilling fluid. The invention also provides an oil-based foaming agent and a drilling fluid.

Perennial root sugarcane finishing machine and application

The invention discloses a perennial root sugarcane finishing machine and application, the perennial root sugarcane finishing machine comprises a rack, a fertilizing device, a stumping device, a stump cutting and soil turning device, a ridge breaking and stump subsoiling device and a limiting wheel, and the stump cutting and soil turning device comprises a plowshare, a soil turning plate and a longitudinal cutting rod. The perennial root sugarcane finishing machine can perform stumping, sugarcane shoveling, soil turning, soil loosening, fertilization and other operations on perennial root sugarcanes planted in wide and narrow rows or equal row spacing at the same time, and can adjust the soil penetrating depths of other devices by adjusting the mounting positions of the limiting wheels. Sugarcane stumps growing towards wide rows are shoveled off through the stump cutting and soil turning device, so that ratoon sugarcanes grow in a reasonable area, tractor-ploughing tracks between the rows ...

PIXEL SUBDIVISION LOAD TRANSFER METHOD AND SYSTEM

The present invention relates to a pixel subdivision load transfer method and system. The pixel subdivision load transfer method comprises: obtaining surface pressure distribution data, the data being in the form of surface elements and corresponding pressure; subdividing surface element pixels into subdivision surface elements which are small enough; allocating the subdivision surface elements to corresponding structure bearing points; integrating the subdivision surface elements allocated to the same structure bearing point into concentrated force and moment, and transferring the concentrated force and moment to the structure bearing point; comparing load distribution before the transfer with load distribution after the transfer to obtain a difference, and determining whether the difference is less than given tolerance; if the difference is less than the given tolerance, obtaining a final load; and if the difference is greater than or equal to the given tolerance, continuing performing ...

Directional and quantitative sugarcane fertilization banking machine

The invention discloses a directional and quantitative sugarcane fertilizing and banking machine. The problem that an existing sugarcane fertilizing and banking machine cannot well achieve directional and quantitative banking is solved. The sugarcane fertilizing and banking machine comprises a rack, a fertilizing device, a banking device and a depth limiting wheel, the fertilizing device comprises a fertilizer box, a fertilizer discharging cavity, a fertilizer discharging shaft driven by a hydraulic motor, a fertilizer receiving hopper and a fertilizing pipe, and the banking device comprises a driving device, a banking rotating shaft, a banking cutter, an arc-shaped baffle and a banking plate. According to the sugarcane fertilizing and banking machine, the fertilizing device and the banking device are improved at the same time, the depth limiting wheel is matched, and directional quantitative banking and quantitative uniform fertilizing can be achieved; quantitative hilling is achieved ...

Anti-freezing recycled concrete and preparation method thereof

The invention relates to the field of concrete materials, and particularly discloses anti-freezing recycled concrete and a preparation method thereof. The anti-freezing recycled concrete is prepared from the following raw materials in parts by weight: 40 to 50 parts of cement, 130 to 150 parts of recycled coarse aggregate, 100 to 130 parts of fine aggregate, 80 to 90 parts of admixture, 30 to 40 parts of waste foamed rubber powder, 20 to 30 parts of water, 6 to 8 parts of anti-freezing water reducing agent and 5 to 10 parts of expansion anti-cracking agent, and the anti-freezing water reducing agent is prepared from the following raw materials in parts by weight: 30 to 50 parts of polycarboxylic acid water reducing agent and 1 to 3 parts of calcium nitrite. 5-10 parts of sodium nitrite, 10-15 parts of hydroxypropyl methyl cellulose and 1-3 parts of triterpenoid saponin. The anti-freezing recycled concrete can be used for mutual combination of a polycarboxylate superplasticizer and nitrite ...

Drying method and microwave drying equipment for idesia polycarpa

The invention provides a drying method and microwave drying equipment for idesia polycarpa, and relates to the technical field of idesia polycarpa fruit drying processing. According to the drying method, drying is conducted by combining vacuum with graded microwave power from high to low, corresponding parameter comparison tables are set according to different water discharge amounts to conduct drying according to different conditions, specific microwave drying equipment is used in the drying process, the microwave power is accurately controlled through control over a plurality of microwave generating devices, and the drying efficiency is improved. And meanwhile, the materials are uniformly heated during drying. The defects in the prior art are overcome, the quality of the idesia polycarpa in the drying process can be effectively guaranteed in the mode of graded microwave adjustment and vacuum environment drying, meanwhile, the drying efficiency is further improved, and the production and ...

Vertical elevator identification method and system, medium, equipment, terminal and application

The invention belongs to the technical field of indoor radio positioning, and discloses a vertical elevator recognition method and system, a medium, equipment, a terminal and application, and the method comprises the steps that semantic Wi-Fi information of different floors and different elevators in a single building is extracted according to a plane map of the single building; according to the change of the barometer, the leveling movement and the cross-floor movement are distinguished; in the data of the cross-floor movement, when the user is in the vertical elevator, the elevator ascends and starts/stops, an overweight/weightlessness phenomenon occurs, and a corresponding wave crest/wave trough phenomenon occurs in the acceleration data; when the elevator descends, the data performance is opposite, and the elevator landmark is identified based on the rule; according to the identified elevator landmark, the Wi-Fi name information is matched with a semantic Wi-Fi library; and the number ...

Degradable preservative film for fruit and vegetable transportation as well as preparation method and application of degradable preservative film

The invention provides a preservative film suitable for fruit and vegetable transportation, the preservative film is a degradable preservative film, has a sandwich structure, and is composed of an inner layer film, a gas layer and an outer layer film. The preparation method comprises the following steps: mixing raw materials PBAT, nanocellulose, gelatin and glycerol, granulating to obtain composite granules, and blow-molding to obtain an inner-layer film and an outer-layer film. The inner film and the outer film are subjected to hot pressing, carbon dioxide-nitrogen mixed gas is continuously blown into the space between the two films in the hot pressing process, and finally evenly-distributed air bags, namely the air bag layers, are formed. The fresh-keeping film is a degradable fresh-keeping film, is environment-friendly, has good compression resistance and shock absorption functions in the use process, and ensures that fruits and vegetables are fresh and intact in the transportation process ...

Component gas fixed-proportion conveying device capable of automatically correcting errors

The invention discloses an error self-correcting component gas fixed-proportion conveying device which is provided with a conveying detection structure, a multi-stage gas collision unit, a contraction type flow control unit and an adjusting mixing structure, a flow control channel with the adjustable length is formed in the contraction type flow control unit, and the contraction type flow control unit is used for adjusting the length and the circulation cross section of the flow control channel; the flow of component gas entering the multistage gas collision unit in unit time is controlled, and the gas circulation state of the downstream end of the mixing structure is adjusted to be in an open state or a closed state according to the detection result of the transportation detection structure. When it is detected that mass flow is abnormal, the length and the circulation cross section of the flow control channel are adjusted through the contraction type flow control unit so as to control ...

Terminal connecting line processing equipment

The invention relates to the field of computer part manufacturing, and provides terminal connecting wire processing equipment which is suitable for connecting wire processing equipment, a connecting wire processing mechanism comprises a sliding bottom plate, a wire feeding device and a processing device, the wire feeding device and the processing device are arranged on the sliding bottom plate, and the wire feeding device and the processing device are arranged on the sliding bottom plate. The wire feeding device is suitable for being connected with an external wire supply device so as to convey a plurality of connecting wires to the processing device; the processing device comprises a transfer hand assembly and a wire stripping and trimming assembly, and the transfer hand assembly and the wire stripping and trimming assembly are oppositely arranged on one side of the wire feeding device so as to cooperate to cut off the connecting wires and then girdling and stripping the two ends of the ...

Precast pile structure and construction method thereof

The invention discloses a precast pile structure and a construction method thereof, and belongs to the technical field of engineering construction. Comprising an upper pile body, a lower pile body and a stud, a plurality of hanging rings are embedded in the surface of the upper pile body, the upper pile body is hollow, a plurality of through grooves are formed in the surface of the upper pile body in the length direction and distributed in the circumferential direction of the stud in an array mode, and one end of the stud is rotationally connected to the center of the bottom of the lower pile body through a bearing while the other end of the stud is in threaded connection with a threaded sleeve fixed to the interior of the upper pile body. And the sections of the upper pile body and the lower pile body are square. By means of the prefabricated pile, when the prefabricated pile is installed, only the stud needs to be rotated, and due to the fact that the sections of the upper pile body and ...

Waste gas multi-stage purification equipment and purification method

The invention belongs to the technical field of waste gas purification, and discloses waste gas multi-stage purification equipment which comprises a reactor body, an electric hydraulic rod, an M-shaped partition plate and an inclined clamping groove, a bottom plug plate is movably connected to the bottom of an inner cavity of the reactor body, and limiting rods are fixedly connected to the periphery of the bottom of the inner cavity; three-way pipelines are arranged on the two sides of the top of the bottom plug plate at equal intervals. Through cooperation of an M-shaped partition plate, a first communicating pipe, a round hole, a bottom plug plate and other structures, the device has the effects of increasing the contact area of sulfur-containing waste gas and limestone liquid and improving the desulfurization effect, the sulfur-containing waste gas is conveyed to an inner cavity of a reactor body through a gas conveying pipeline, meanwhile, a vertical blocking rod and an I-shaped piston ...

Preparation facilities of deep fried potato strip

... 本实用新型公开了一种避免马铃薯在加工过程中发生褐变的油炸马铃薯条的制备装置。该油炸马铃薯条的制备装置由依次设置的清洗装置、去皮装置、切条装置、熟化装置、冷却装置、微波干燥装置、油炸装置、调味装置组成，除油炸装置和调味装置外，其他装置均在密闭的环境中工作，且各个装置之间均密封连接，使得马铃薯除了清洗工序、油炸工序、调味工序外，其他工序均在密封的环境中进行，从保证马铃薯条在整个加工过程中与氧气接触的几率大大降低，可以有效防止在加工过程马铃薯中的多酚氧化酶(PPO)与空气中的氧接触，避免发生氧化聚合，可以有效防止马铃薯褐变，从而保证最后生产出的油炸马铃薯条品质较高。适合在马铃薯加工技术领域推广应用。 ...

Experimental automatic gaza of section device of bed load

... 本实用新型公开了一种推移质试验断面自动加沙装置，该装置包括支架、滑动装置和沙箱，所述支架上安装有丝杆，丝杆上套有沿丝杆往复运动的滑动装置，滑动装置通过不锈钢丝与沙箱连接，不锈钢丝中部设有压力传感器，不锈钢丝在沙箱作用下处于自然垂直状态，沙箱顶部平面处于水平面，其包含进沙口和出沙口，出沙口设有出沙开关。本发明的推移质试验断面自动加沙装置，通过丝杆带动滑动装置移动，自动完成断面加沙，并根据流速大小、断面长度，调整沿断面运动速度，实现断面连续加沙和均匀加沙；控制器根据压力传感器检测沙箱的重力变化，控制出沙开关开闭，实现自动加沙，自动化程度高。 ...

Petroleum drilling bit rotating speed measuring system

The invention provides a petroleum drilling drill bit rotating speed measuring system which comprises a drill bit main body structure and a circuit structure, and the circuit structure is fixed in the drill bit main body structure and measures required parameters of a drill bit of the drill bit main body structure. The drill bit body structure comprises a lower shell, a circuit framework and an upper connector, the lower end of the lower shell is connected with a drill bit, the upper end of the lower shell is connected with the upper connector, and the circuit framework is located in a cavity formed by the lower shell and the upper connector. The rotation speed measuring system for the petroleum drilling bit can work for a long time, and replacement of tripping is reduced. The device is compact in structure, safe, reliable, convenient to disassemble and assemble and easy to maintain.

Demonstration device and method for scientific and technological information consultation

The invention discloses a demonstration device and method for science and technology information consultation, and the device comprises a bottom plate, the two sides of the upper surface of the bottom plate are connected with guide rods, the middle part of the upper surface of the bottom plate is connected with an electric push rod, the telescoping end of the electric push rod is connected with a control platform, and the interior of the control platform is provided with a server, an MCU, and a communication module. A touch screen is hinged to one side of the upper surface of the control platform through a damping rotating shaft and electrically connected with the MCU. The device solves the problems that an information demonstration device in the prior art is poor in interaction experience and cannot automatically adjust the height and the angle according to the height condition of a user, and has the characteristics that the height and the angle can be automatically adjusted according ...

Planting method for promoting simultaneous acid aluminum resistance and nitrogen fixation of sugarcanes

The invention discloses a planting method for promoting simultaneous acid and aluminum resistance and nitrogen fixation of sugarcanes. The planting method comprises the following steps: (1) treating a planting field; (2) pretreatment of sugarcane seed stems; (3) planting; (4) management in a seedling stage and a tillering stage; (5) managing in an elongation period and a mature period; (6) harvesting. According to the method, plant ash and quick lime are spread, so that soil acid and aluminum toxicity can be partially relieved; the calcium magnesium phosphate fertilizer, the charcoal powder and the rice husks are also added, so that poison of acid-aluminum stress on root systems of sugarcane seedlings is effectively relieved, and nodulation and nitrogen fixation of rhizobium are promoted; a nitrogen fixation promoting fertilizer is sprayed to the roots of the sugarcane seedlings, and the nitrogen fixation promoting fertilizer and an acid-aluminum-resistant root fertilizer are applied in ...

Traditional Chinese medicine composition for treating children tic disorder and application thereof

The invention relates to the technical field of traditional Chinese medicine, in particular to a traditional Chinese medicine composition for treating children tic disorder and application thereof.The traditional Chinese medicine composition comprises radix bupleuri, Chinese yam, rhizoma acori graminei, the root of kudzu vine, poria cocos, pericarpium citri reticulatae, pinellia ternate, radix saposhnikoviae, notopterygium roots, ligusticum wallichii, radix paeoniae alba, lycopodium clavatum and scorpions; radix bupleuri is a monarch drug, has the effects of harmonizing liver and spleen and relieving depression, ensures the balance of the whole traditional Chinese medicine prescription, and coordinates the effects of other drugs, so that the best curative effect is achieved; chinese yam, rhizoma acori graminei, divaricate saposhnikovia root, notopterygium root, ligusticum wallichii, radix paeoniae alba and lycopodium clavatum are taken as ministerial drugs, radix puerariae, poria cocos, ...

Power plant auxiliary equipment abnormal working condition detection method based on unsupervised learning mechanism

The invention belongs to the field of intelligent power plant equipment application, and particularly relates to a power plant auxiliary equipment abnormal working condition detection method based on an unsupervised learning mechanism, and the method comprises the following steps: extracting data of a normal state from a database, and constructing a training data set; performing feature extraction on the training data set and training an anomaly detection model; obtaining an evaluation value of the data set by using an anomaly detection model; and selecting a test data set, taking the test data set as the input of the anomaly detection model, and taking the evaluation values of the plurality of continuous data points as the basis for judging the abnormal working condition of the equipment. The method has the advantages that manual data annotation is not needed, the adaptive learning ability is high, the adaptability is high, the robustness is high, and large-scale data can be processed.

Slope vegetation effective sand reduction coverage threshold determination method based on probability

The invention relates to a probability-based slope vegetation effective sand reduction coverage threshold determination method, and belongs to the technical field of water and soil loss treatment. According to the method, key parameters in the aspect of vegetation sand reduction in slope surface water and soil loss treatment are selected, the key parameters comprise slope surface sediment composition and the influence degree of suitable vegetation characteristics on slope surface sediment transportation, and the method for determining the slope surface vegetation effective sand reduction rate coverage threshold aiming at the slope surface characteristics is provided. According to the method, the action mechanism of the slope surface sediment average particle size, the suitable vegetation plant diameter and the vegetation coverage on slope vegetation sediment reduction is fully considered, rapid calculation of the slope vegetation effective sediment reduction coverage threshold value can ...

Terrain matching aided navigation method without satellite navigation

The invention discloses a terrain matching aided navigation method without satellite navigation, and mainly solves the problem of drifting accumulative errors of inertial navigation when satellite positioning cannot be used in the prior art. The method comprises the following steps: calculating a range needing terrain matching according to the latitude and longitude of an inertial navigation estimated position at the current moment, an inertial navigation estimated position error and a corresponding elevation topographic map resolution; sequentially carrying out translation, convolution, height measurement and multiplication calculation in the range to obtain a posterior probability density array; and calculating a mean value and a mean square error of the array, and combining the longitude and latitude of the upper left corner of the matching range to obtain the estimated position longitude and latitude, the posterior standard deviation, the map height standard deviation and the confidence ...

Controlled-release fertilizer for corn and preparation method of controlled-release fertilizer

The invention provides a controlled-release fertilizer for corn and a preparation method of the controlled-release fertilizer. The controlled-release fertilizer for corn comprises controlled-release urea, urea and 15-15-15 universal compound fertilizer. The controlled-release fertilizer for the corn provided by the invention only needs to be applied once, so that the labor cost is reduced, meanwhile, the corn yield is high, and the controlled-release fertilizer can be adjusted in time according to soil conditions in different regions and is good in flexibility.

Electric power proportioning and conveying device for weak current engineering

The invention relates to the technical field of weak current engineering, and especially relates to an electric power proportioning and conveying device for weak current engineering. The device can enlarge the cleaning interval in a box body, improve the dust removal effect, save a large amount of time and improve the practicability. The device comprises a box body and a partition plate, a box door is arranged at the front end of the box body, the partition plate is installed in the middle in the box body and divides the box body into two cavities, and a dust suction device is arranged in each cavity; the device further comprises four sets of sliding rods, two sets of moving plates, four sets of sliding sleeves, four sets of bearing seats, two sets of screws, two sets of connecting blocks, two sets of threaded sleeves, two sets of gears and a power mechanism, the four sets of sliding rods are installed on the left sides and the right sides of the top ends of the two sets of cavities correspondingly ...

Terminal communication interface multiplexing device and method

The invention belongs to the technical field of data communication, and provides a terminal communication interface multiplexing device and method. The device comprises a terminal interface circuit arranged on a terminal shell, a USB connecting line circuit is arranged on an interface of a USB connecting line, a customized communication line circuit is arranged on an interface of a customized communication line, the terminal interface circuit is connected with the USB connecting line circuit or the customized communication line circuit, the terminal interface circuit comprises a USB type interface circuit, and the USB type interface circuit is connected with the customized communication line circuit. The USB type interface circuit is connected with the switching circuit, and the switching circuit is connected with the main controller; each of the USB type interface circuit, the USB connecting line circuit and the customized communication line circuit comprises a VCC pin, a GND pin, a DM ...

Application of PtTINY gene in regulation and control of plant salt stress tolerance

The invention discloses an application of a PtTINY gene in regulation and control of plant salt stress tolerance. The gene sequence number of the PtTINY gene in NCBI (National Center of Biotechnology Information) is XM002298200.4. According to the invention, an overexpression vector pCAMBIA2300-PtTINY of PtTINY is constructed, wild type arabidopsis thaliana (Clo-0, WT) is transformed by using an agrobacterium inflorescence infection method, an overexpression plant is obtained, and an analysis result shows that under salt stress, compared with the wild type, the salt stress tolerance of an arabidopsis thaliana seedling is reduced after overexpression, so that a gene resource is provided for salt-tolerant molecular breeding of crops.

Multifunctional fertilizing, weeding and hilling machine

The utility model relates to the technical field of sugarcane planting, and particularly discloses a multifunctional fertilizing, weeding and hilling machine which comprises a rack, a fixed seat and a depth wheel assembly which are arranged on the rack, and a first wheel outlet box, a rotating shaft, a weeding blade, a hilling blade, an angle-adjustable hilling plate, a plowshare and a fertilizer applicator which are arranged in the weeding and hilling assembly. By the arrangement, mechanical operation of plowing, ridging, weeding and fertilizing can be achieved at the same time, the sleeve provided with the ridging cutter is detachably connected with the rotating shaft, the weeding blades and the ridging cutter which are different in shape and arrangement mode can be changed according to needs, and the weeding efficiency is improved. By matching with structures such as an arc-shaped baffle and an angle-adjustable hilling plate, weeding and hilling requirements of crops such as sugarcanes ...

Glandular epidermal hair regulatory gene SlWRKY42 of tomato and application of gland epidermal hair regulatory gene SlWRKY42

The invention relates to the technical field of plant molecular biology, and particularly discloses a tomato glandular epidermal hair regulation gene SlWRKY42 and application thereof.The ORF sequence of the gene SlWRKY42 is shown as SEQ ID NO.1. By regulating over-expression of the gene SlWRKY42 in a tomato plant, the tomato glandular hair density is remarkably increased, and the tomato glandular hair growth rate is increased. The olefinic terpene synthase gene (SlTPS12) and a synthetic precursor pathway transgene transcription expression are significantly up-regulated, and the content of olefinic terpene substances is significantly increased. The gene SlWRKY42 provided by the invention can regulate and control the growth and development of tomato gland type epidermal hair and regulate and control the synthesis of olefinic terpene substances.

Waterproof curtain structure and construction method thereof

The invention discloses a water cut-off curtain structure and a construction method thereof, and relates to the technical field of foundation pit construction, the water cut-off curtain structure comprises a plurality of mutually spliced steel sheet piles, each steel sheet pile comprises a U-shaped pile body and lock catches connected to the two ends of the pile body, and each lock catch comprises a connecting part connected with the pile body and a buckle body connected with the connecting part; the outer side face of each buckle body comprises an inclined face, a water stopping face and a water entering face which are adjacent in sequence, the inclined faces of every two adjacent buckle bodies are attached, the water stopping faces are attached to the connecting parts of the adjacent lock catches, and water entering gaps are formed between the water entering faces and the adjacent pile bodies. A sealing groove is formed in the position, on the water stopping face, of the buckle body, ...

Method for improving filtering efficiency of lactic acid fermentation liquor

The invention discloses a method for improving the filtering efficiency of lactic acid fermentation liquor, and relates to the technical field of bioengineering. According to the method, peptide chain incision enzyme genes of pediococcus acidilactici are knocked out, so that an enzyme system of cell wall lyase of the pediococcus acidilactici is incomplete, and the thallus splitting efficiency is reduced, so that thallus individuals become large, meanwhile, substances contained in the thallus are not prone to being released, and the thallus removal procedure in the fermentation liquor later extraction process is simplified. The acid production capacity of the modified pediococcus acidilactici thalli is not influenced (even slightly improved), meanwhile, the thalli removal procedure in the later extraction process of fermentation liquor is simplified, energy consumption and time are saved, and finally the production cost is saved.

Miniature resistivity probe for detecting soil pollution concentration and detection method

The invention discloses a miniature resistivity probe for detecting soil pollution concentration and a detection method, the miniature resistivity probe comprises a probe rod and a conical tip, the probe rod comprises an upper side wall friction cylinder and a lower side wall friction cylinder, the upper side wall friction cylinder is internally provided with an upper inner cylinder, the upper inner cylinder is provided with an upper connecting bolt, the lower side wall friction cylinder is internally provided with an inner cone, and the inner cone is provided with a lower connecting bolt. The upper side wall friction cylinder is connected to the periphery of the upper connecting bolt in a sleeving mode, the lower side wall friction cylinder is connected to the periphery of the lower connecting bolt in a sleeving mode and connected with the conical tip, a lower inner cylinder is arranged between the inner cone and the conical tip, and a copper ring type four-electrode is arranged on the ...

Method for compressing elevation topographic map

The invention discloses an elevation topographic map compression method. The method mainly solves the problems that when an existing elevation map file in the. Xyz format is high in resolution or large in map area, large storage space is occupied, and the reading speed is low. The method comprises the following steps of: reading longitude and latitude information and map height data in an existing. Xyz elevation topographic map file; the longitude and latitude information is subjected to sorting, deduplication and related calculation in sequence, the initial longitude and latitude of the map and the sampling number in the direction of the map and the longitude and latitude difference between two adjacent sampling points of the map are obtained, and the longitude and latitude difference serves as head information to be written into a new file of. Dxt; and storing the map height data into a map height array according to the longitude and latitude corresponding to the map height data and a ...

Mounting structure of liquid level sensor of offshore wind power engineering ship

The utility model discloses a mounting structure of a liquid level sensor of an offshore wind power engineering ship, the offshore wind power engineering ship comprises an oil tank and a deck, the mounting structure comprises a hollow vertical pipeline, a measuring cover, a cover plate, a cable, a wiring steel pipe and an annular step, and the deck is provided with a vertical through hole; the measuring cover is embedded into the top of the through hole; a wire passing hole is formed in the center of the measuring cover; the bottom end of the vertical pipeline extends into the bottom of the oil tank, and the top end of the vertical pipeline penetrates through the top surface of the oil tank and is connected with the bottom of the measuring cover; the bottom end of the vertical pipeline is hermetically connected with a liquid level sensor; the annular step is fixed on the deck at the periphery of the through hole in a surrounding manner; the cover plate is hinged to the surface of the deck ...

Intelligent biomass garbage treatment system

The invention belongs to the technical field of biomass treatment, and particularly relates to an intelligent biomass garbage treatment system which comprises a bearing support, a feeding system, a crushing system, an extrusion dehydration discharging system, an automatic vibration storage discharging system, a packaging system and a transfer system. The device integrates transportation, crushing, extrusion, discharging, packaging and re-transportation, the feeding system is used for transporting materials to the crushing system, the crushing system carries out first-step crushing treatment on the materials, then the materials fall into the extrusion dehydration discharging system, the extrusion dehydration discharging system carries out extrusion dehydration on the materials, and then the materials are discharged into the automatic vibration storage discharging system; the automatic vibration storage discharging system vibrates the extruded materials into packaging bags, and the automatic ...

Device and method for testing water retention curve of near-surface soil in low-stress environment

The invention discloses a device and a method for testing a water holding curve of near-surface soil in a low-stress environment, the device comprises an acrylic acid environment chamber, a mixing chamber and a first balance, the acrylic acid environment chamber is internally provided with a base for placing a test soil sample, and the inner side and the outer side of the acrylic acid environment chamber are respectively provided with a third relative humidity and temperature sensor and a fourth relative humidity and temperature sensor; the test soil sample comprises a first-layer soil sample structure, a second-layer soil sample structure, a third-layer soil sample structure and a fourth-layer soil sample structure which are equally divided from top to bottom, a first relative humidity and temperature sensor is arranged between the bottom of the first-layer soil sample and the top of the second-layer soil sample, and a second relative humidity and temperature sensor is arranged between ...

Indoor public-source fingerprint database construction method based on semantic Wi-Fi

The invention belongs to the technical field of indoor positioning, and discloses a semantic Wi-Fi-based indoor public-source fingerprint database construction method, which adopts a crowdsourcing mode to position and construct a semantic Wi-Fi indoor public-source fingerprint database, so that a user of a positioning service becomes a data provider at the same time, the workload of Wi-Fi fingerprint acquisition is reduced, and the user experience is improved. The method has the advantages of high current potential, rich data, low cost, large data volume and the like; and after system deployment is completed, support can still be provided for data updating, and the stability and applicability of the system are further enhanced through repeated iteration and virtuous cycle.

Short-process thermal forming pickling plate and preparation method thereof

The invention relates to a short-process thermal forming pickling plate and a preparation method thereof, and belongs to the technical field of steel preparation. The method comprises the following steps: roughly rolling a plate blank to obtain an intermediate blank; the intermediate billet is subjected to finish rolling and coiling, and hot-rolled strip steel is obtained; the hot-rolled strip steel is subjected to scale breaking and acid pickling, and an acid pickling plate with the target thickness is obtained; wherein the inlet temperature of finish rolling ranges from 1,160 DEG C to 1,210 DEG C; the intermediate billet is subjected to finish rolling at the finish rolling inlet temperature of 1160-1210 DEG C, the rolling load is effectively reduced, the thin-specification hot-rolled strip steel with the thickness close to the target thickness can be obtained, the pickled plate with the target thickness can be directly obtained after acid pickling, the pickled plate can replace existing ...

Suspension type drag hook for endoscopic surgery

According to the suspension type drag hook for the endoscopic surgery, by pulling the drag hook pulling plate, the suspension drag hook can drive the suspension drag hook rod to stretch out and draw back, the suspension hook body can be driven to stretch out and draw back through stretching out and drawing back of the suspension drag hook rod, and the suspension hook body can hook a part needing an operation in the endoscopic surgery by adopting an L-shaped structure; a fixed cross rod is arranged above the suspension hook body, the fixed cross rod and the L-shaped suspension hook body can form a U-shaped structure to effectively suspend and clamp an operation part, a suspension support rod is embedded above the left half side of the transfer frame, a support rod is fixedly mounted on one side of the suspension support rod, and an endoscopic operation storage table is in shaft linkage with the lower portion of a top rod of the suspension support rod. The endoscopic surgery object placing ...

Sterile cord blood collection sleeve

The invention belongs to the field of medical instruments, and particularly relates to a sterile cord blood collection sleeve. The invention provides a sterile cord blood collection sleeve, the sterile cord blood collection sleeve comprises a front sleeve clamp, a rear sleeve clamp and a telescopic sleeve, two ends of the telescopic sleeve are fixedly connected with the front sleeve clamp and the rear sleeve clamp respectively, an umbilical cord is placed in the telescopic sleeve, the telescopic sleeve is operated by a medical worker, and the telescopic sleeve is in a telescopic state from a contraction state to a stretching state; in the process, the disinfection sponge wipes the umbilical cord, a closed sterile environment is formed in the telescopic sleeve, and the contraction assembly moves forwards and tightens the umbilical cord, so that the blood pressure in the umbilical cord is increased, the umbilical cord blood is rapidly collected, the whole collection process is sterile, and ...

Culture medium for simultaneously screening nitrogen-fixing bacteria with nitrogen-fixing and acid-aluminum-resistant characteristics and preparation method of culture medium

According to the culture medium for simultaneously screening the nitrogen-fixing bacteria with the nitrogen-fixing and acid-aluminum-resistant characteristics and the preparation method of the culture medium, aluminum elements in the aluminum chloride, the spinach juice and the rape juice and a relatively low pH value are used for simulating an acid-aluminum environment, and the spinach juice and the rape juice provide rich aluminum elements, micronutrients, physiological activators and growth hormone substances; the acid aluminum environment cannot generate toxic influence on the nitrogen-fixing bacteria, the nitrogen-fixing bacteria and the acid aluminum-resistant nitrogen-fixing bacteria can be screened at the same time, and the highest total aluminum-resistant content of the screened acid aluminum-resistant nitrogen-fixing bacteria reaches 5000-5500 mu g/g; a proper amount of activated carbon powder, bagasse powder and sugarcane leaf powder are added, so that the ventilation problem ...

Well drilling construction difficulty evaluation method based on analytic hierarchy process

The invention belongs to the technical field of oil and gas field drilling, and particularly relates to a drilling construction difficulty evaluation method based on an analytic hierarchy process. The invention discloses a drilling construction difficulty evaluation method based on an analytic hierarchy process. The method comprises the following steps: collecting main control parameters influencing the drilling construction difficulty; constructing a hierarchical structure model for drilling construction difficulty evaluation; constructing a judgment matrix; calculating a relative weight value of each parameter representing a drilling construction difficulty main control parameter in the judgment matrix; according to the obtained relative weight values, layer-by-layer upward cumulative summation is carried out, a single well difficulty coefficient is obtained, and then single well drilling construction difficulty evaluation is carried out. By establishing the hierarchical structure model ...

Azotobacter composition for promoting acid and aluminum resistance of sugarcane

The nitrogen-fixing bacteria composition for promoting acid and aluminum resistance of the sugarcane is composed of a nitrogen-fixing bacteria combined fungicide and an acid and aluminum tolerance enhancer, the nitrogen-fixing bacteria combined fungicide is composed of azotobacter chroococcum, alfalfa rhizobium and pea rhizobium, seed soaking and seeding are performed, the nitrogen-fixing bacteria combined fungicide can perform metabolic activity in soil and sugarcane seed stems, and the acid and aluminum tolerance enhancer can promote acid and aluminum resistance of the sugarcane. Carbohydrates, amino acids, vitamins, nitrogen, bioactive substances and the like generated by metabolism can be absorbed by sugarcane seed stems, so that the growth of root systems of the sugarcane seed stems can be promoted, and the acid and aluminum resistance of sugarcanes can be improved; sugarcane can secrete organic acid to the periphery of the root system when subjected to acid-aluminum stress, the organic ...

Idesia oil microcapsule spray drying process

The invention belongs to the field of fruit processing, and in the research, idesia oil is used as a core material, maltodextrin and soybean protein isolate are used as wall materials, glyceryl monostearate is used as an emulsifier, and the idesia oil microcapsule is prepared by using a spray drying technology. A response surface optimization test shows that the embedding rate of the idesia oil microcapsule can reach 84.22% under the conditions that the mass ratio of the wall material to the core material is 4.8: 1, the compounding mass ratio of the maltodextrin to the wall material of the soybean protein isolate is 2.6: 1, and the volume mass ratio of water to the wall material is 6.8: 1. In an oxidation stability test by using an oxidation stability index (OSI) method, after the idesia microcapsule is kept for 30 days under a normal temperature condition, the OSI value of the oil and the initial value have no significant change, and the stability of the idesia microcapsule is verified ...

Automatic cutting device and method for copper core wire

The invention discloses an automatic cutting device and method for a copper core wire, and relates to the technical field of copper core wires, and adopts the scheme that the automatic cutting device comprises a rack, a pay-off mechanism, a straightening mechanism and a cutting mechanism, the rack comprises a base, a motor is mounted on the base, and a first supporting frame and a second supporting frame are vertically mounted on the base; a pay-off mechanism is arranged above the first supporting frame and the second supporting frame, the first supporting frame and the second supporting frame are fixedly connected with the opening end of a first U-shaped rod, a second U-shaped rod is fixedly installed on a transverse rod on the other side of the opening end of the first U-shaped rod, a straightening mechanism is installed on a transverse rod of the second U-shaped rod, and a cutting-off mechanism is installed on a support base plate of the straightening mechanism. The automatic cutting ...

High-voltage vacuum circuit breaker

The invention relates to the technical field of high-voltage vacuum circuit breakers, and particularly discloses a high-voltage vacuum circuit breaker which comprises a body and a panel arranged on the body, and an instrument fixing plate is arranged on the panel; a plurality of openings are formed in the instrument fixing plate; a damping box matched with the opening is arranged on the rear side of the instrument fixing plate; a damping plate matched with an instrument is arranged on the inner wall of the damping box; the damping plate is connected with the inner wall of the damping box through a first spring. Compared with the prior art, due to the arrangement of the damping box and the damping plate, an instrument can be arranged on the instrument fixing plate, the integration of the high-voltage vacuum circuit breaker is improved, the movement of the instrument after installation is limited, the damping effect can be provided, and the vibration of the instrument is reduced.

Glass substrate as well as preparation method and application thereof

The invention relates to the technical field of electronic glass, and provides a glass substrate and a preparation method and application thereof.The glass substrate is prepared from, by weight, 60%-72% of SiO2, 2%-12% of Al2O3, 13%-24.5% of alkali metal oxide and 1%-12% of alkaline earth metal oxide, wherein the alkali metal oxide does not contain lithium oxide. According to the glass substrate provided by the invention, the SiO2, the Al2O3, the alkali metal oxide and the alkaline earth metal oxide with specific contents are compounded, so that the glass substrate has relatively low heated and cooled shrinkage rate and relatively low chemical strengthening expansion rate at the same time, and the heated and cooled shrinkage rate and the chemical strengthening expansion rate of the glass substrate are maintained in a relatively balanced range; the glass substrate is small in size change rate and good in size stability after being chemically strengthened.

Method and system for verifying memory access component

The invention provides a method and system for verifying a memory access component, and the method comprises the steps: running a test case, so as to obtain a to-be-converted target virtual address from the memory access component; according to pre-established mapping relation information, the target virtual address is converted into a corresponding target physical address, and the mapping relation information is used for recording the one-to-one mapping relation between the virtual address and the physical address of the memory; generating a memory access result according to the target physical address; and verifying the memory access component according to the memory access result. According to the one-to-one mapping relation between the virtual address and the physical address in the memory, conversion between the virtual address and the physical address in the verification process of the memory access component can be achieved through one-time query, and the conversion efficiency of ...

Method for repairing machine-harvested and compacted soil of sugarcane by turning and pressing green manure

The invention relates to a method for repairing machine-harvested and compacted soil of sugarcane by turning and pressing green manure. The method comprises the following steps: (1) pretreatment of a planting field; (2) planting the sugarcanes; (3) sweet potato planting and management; for sugarcane mechanically-harvested and compacted soil, mechanical deep ploughing, mechanically-harvested and compacted soil improvement agent applying, sweet potato interplanting, mechanically-harvested and compacted soil improvement agent applying, and sweet potato vines and sweet potato tuberous roots jointly turned and pressed as green manure are combined, so that the compacted soil density can be effectively reduced, gaps among soil are increased, rainfall is helped to quickly penetrate into the soil, and surface runoff is reduced; the soil conditioner can also increase the number of beneficial microorganisms in soil, increase the content of organic matters in the soil and change the surrounding environment ...

Intelligent equipment leasing information identification system

The invention relates to an intelligent equipment leasing information identification system. Comprising a leasing contract information extraction unit, an equipment information image information acquisition unit, an equipment image information preprocessing unit, an equipment image information fuzziness calculation unit, an equipment image information fuzzy unit, an equipment image information deblurring unit, an equipment matching identification unit and a storage unit. The system can automatically extract key information in an equipment leasing contract, and carries out processing and matching identification on image information of leasing equipment. The method has the beneficial effects of automation, high efficiency, accuracy and the like.

Steel bar framework seam welder

... 本实用新型公开了种钢筋骨架滚焊机、钢筋骨架制作方法及方桩制作方法，滚焊机包括固定旋转电极机构、设置在固定旋转电极机构的下方且用于对非预应力主筋进行焊接定位、对钢绞线进行隔离导向的固定不动电极机构、以及设置在固定不动电极机构的后方且用于对非预应力主筋、钢绞线进行牵引的牵引架。采用本实用新型中的滚焊机制作钢筋骨架和方桩，方便快捷，生产效率高。 ...

Barrel planting device facilitating observation of sugarcane root system growth

The utility model belongs to the field of agricultural cultivation devices, and particularly discloses a barrel cultivation device capable of easily observing growth of sugarcane root systems, which comprises a cultivation barrel body with an opening at the top, a longitudinal partition plate is arranged on the inner side of the cultivation barrel body, and a placing groove is formed in the top of the longitudinal partition plate; longitudinal openings are formed in the positions, on the two sides of the longitudinal partition plate, of the side wall of the cultivation barrel body respectively, and barrel walls detachably connected with the cultivation barrel body are arranged at the positions of the longitudinal openings. According to the cultivation barrel, the longitudinal partition plates with the grooves are arranged in the cultivation barrel body to divide the cultivation barrel into different spaces, implementation of a contrast test is facilitated, meanwhile, the use efficiency ...

Application of arginine in treatment of osteoporosis

The invention discloses application of arginine in treatment of osteoporosis, including application of L-arginine hydrochloride in treatment of osteoporosis of menopausal women, when osteoporosis diseases of the menopausal women are treated, the administration dosage of the L-arginine hydrochloride is 15 mg/Kg per day, and the L-arginine hydrochloride is used for preparing medicines for treating osteoporosis; the composition is used for preparing health-care products for preventing osteoporosis. The medicine or the health care product is a medicine or a health care product for stimulating secretion of parathyroid hormone and promoting bone synthesis. The L-arginine hydrochloride stimulates PTH secretion through mediation of CaSR, the blood calcium level is increased, the serum phosphorus level is reduced, synthesis and catabolism of bones are adjusted, the L-arginine hydrochloride serves as essential amino acid of the human body, side effects can be effectively reduced, the cost is reduced ...

Ratchet clutch capable of being controlled by axial force application and mounting structure of ratchet clutch

The invention relates to the technical field of clutches, in particular to a ratchet clutch capable of achieving axial force application control and an installation structure of the ratchet clutch. Through the arranged clutch assembly, axial force is applied to control the change of the state of the pawl, and clutch control is achieved. Specifically, at least one first component corresponding to the pawl is arranged, so that the first component can control the separation and reunion between the pawl and the ratchet when the first component moves back and forth in the axial direction of the ratchet clutch. According to the mounting structure capable of being controlled through axial force application, force can be applied in the radial direction and the tangential direction so that clutch control of the ratchet clutch can be achieved by controlling the clutch assembly.

Seam welder for steel reinforcement framework

... 本实用新型公开了种钢筋骨架滚焊机，其包括固定旋转电极机构、设置在固定旋转电极机构的下方且用于对非预应力主筋进行焊接定位、对钢绞线进行隔离导向的固定不动电极机构、以及设置在固定不动电极机构的后方且用于对非预应力主筋、钢绞线进行牵引的牵引架。采用本实用新型中的滚焊机制作钢筋骨架和方桩，方便快捷，生产效率高。 ...

Zirconium-organic coordination bifunctional catalyst, preparation method and application in 5-hydroxymethylfurfural one-pot reduction etherification reaction

The invention discloses a method for preparing 2, 5-dialkoxy methyl furan from 5-hydroxymethylfurfural through one-pot reductive etherification, which comprises the following steps: taking a zirconium-based coordination polymer which is prepared by adopting a double-organic ligand strategy and contains Lewis acid-base sites and acid sites as a bifunctional catalyst; according to the present invention, the reaction route of the one-pot reduction etherification of the 5-hydroxymethylfurfural is controlled by adjusting the type and the ratio of the acid-base site of the catalyst to control the reduction and etherification reaction sequence of the 5-hydroxymethylfurfural so as to achieve the selective synthesis of the 2, 5-dialkoxy methyl furan; in addition, an alcohol endogenous hydrogen system adopted in the method does not need to additionally use an exogenous hydrogen donor and other reaction solvents, the reaction system is simple in composition, the reaction process is mild and safe, ...

Metabolite marker related to TSC-RAML differential diagnosis and prognosis prediction, related product and application

The invention discloses a metabolite marker related to TSC-RAML differential diagnosis and prognostic prediction, a related product and application, the metabolite marker can be used for precise diagnosis and prognostic prediction of TSC-RAML, has high diagnosis efficiency, can assist clinicians in differential diagnosis of TSC-RAML and selection of related treatment schemes, and can be applied to clinical diagnosis of TSC-RAML and prognostic prediction of TSC-RAML. Individualized precise treatment is achieved, and meanwhile a brand new thought is provided for in-depth study on the occurrence and development mechanism of TSC-RAML.

Pump machine abnormal working condition online detection method based on multi-dimensional signal analysis

The invention belongs to the field of pump machine application, and particularly relates to a pump machine abnormal working condition online detection method based on multi-dimensional signal analysis, which comprises the following steps of: acquiring data of a pump machine unit; establishing a local operation database of the pump unit; performing feature extraction on the data according to a pump operation principle, and establishing a feature library; fusing a plurality of features through a feature learning algorithm; establishing an identification model for normal and abnormal working conditions of the pump unit; and on the basis of the detection model, online detection is conducted on the abnormal working condition of the pump. Abnormal conditions can be found and diagnosed as soon as possible, so that equipment faults are avoided, the reliability and stability of equipment are improved, the shutdown maintenance time is shortened, and the production cost is reduced; meanwhile, a more ...

Preparation method and application of flow pattern regulator for oil-based drilling fluid

The invention provides a preparation method of a flow pattern regulator for oil-based drilling fluid, which comprises the following steps: carrying out first reaction on polybasic acid and polyamine A to obtain a first reaction product; carrying out second reaction on the first reaction product and polyamine B to obtain a second reaction product; and carrying out third reaction on the second reaction product and a diluent to obtain the flow pattern regulator for the oil-based drilling fluid. According to the high-temperature-resistant oil-based flow pattern regulator capable of regulating the rheological property of the oil-based drilling fluid, provided by the invention, the polybasic acid containing a long-chain alkyl group and a benzene ring structure is introduced into the molecules of the flow pattern regulator, so that the temperature resistance of the flow pattern regulator is improved. The prepared oil-based flow pattern regulator is good in temperature resistance and long in acting ...

Preparation method and application of oil-based flow pattern regulator

The invention provides a preparation method of an oil-based flow pattern regulator, which comprises the following steps: carrying out first reaction on polybasic acid A and polyamine to obtain a first reaction product; carrying out second reaction on the first reaction product and polybasic acid B to obtain a second reaction product; and carrying out third reaction on the second reaction product and a diluent to obtain the oil-based flow pattern regulator. According to the high-temperature-resistant oil-based flow pattern regulator capable of regulating the rheological property of the oil-based drilling fluid, the polybasic acid containing a benzene ring structure is introduced into the molecules of the flow pattern regulator, so that the temperature resistance of the flow pattern regulator is improved. The prepared oil-based flow pattern regulator is good in temperature resistance and long in acting time, the rheological property of the oil-based drilling fluid under the high-temperature ...

Application of plasma protein marker in differential diagnosis and prognosis prediction of renal vascular smooth muscle lipoma related to nodular sclerosis

The invention discloses application of a plasma protein marker in differential diagnosis and prognosis prediction of renal vascular smooth muscle lipoma related to nodular sclerosis, and the plasma protein marker has higher diagnosis efficiency in differential diagnosis and prognosis prediction of renal vascular smooth muscle lipoma related to nodular sclerosis. The kit can be used for early screening and auxiliary diagnosis of the nodular sclerosis related renal vascular smooth muscle lipoma, effectively promotes precise diagnosis and treatment of the nodular sclerosis related renal vascular smooth muscle lipoma, and has a wide clinical application prospect.