适配器

Preparation method of polyacrylate organic silicon modified water-soluble equipment protective film solution

The invention discloses a preparation method of a polyacrylate organosilicone modified water-soluble equipment protective film solution. The polyacrylate organosilicone modified water-soluble equipment protective film solution is prepared from the following raw materials: a free radical initiator, methacrylic acid, methyl methacrylate, hydroxyethyl methacrylate, iso-octyl methacrylate, styrene, vinyl silicone oil, an acid neutralizer and an organic solvent. The free radical initiator can be AIBN, alkyl peroxide, alkyl hydroperoxide and the like; the acid neutralizer can be sodium carbonate, potassium carbonate, calcium carbonate, triethylamine, potassium hydroxide, sodium hydroxide, tetramethylammonium hydroxide and the like; the organic solvent can be dichloroethane, dioxane, tetrahydrofuran and the like. According to the scheme, through free radical polymerization, the content of acrylic acid and hydroxyethyl methylacrylate is adjusted to adjust the water solubility of the polymer, and ...

Method for testing content of lignosulfonate and humic acid in mixed sample

The invention relates to the technical field of lead-acid battery negative electrode additive detection, and discloses a method for testing the content of lignosulfonate and humic acid in a mixed sample, which comprises the following steps: quantitatively taking the mixed sample, dissolving, separating and precipitating, merging and dissolving, taking part of solution, measuring the absorbance, and calculating the absorbance index. Dissolving the precipitate with a strong alkali solution, and oxidizing with potassium dichromate to obtain a total potassium dichromate reduction index n: weighing a pure lignin product and a pure humic acid product, repeating the steps to obtain corresponding coefficients, and then solving. According to the detection method, the content of lignosulfonate and humic acid in the mixed sample can be detected, and the method can be used for quality control of the lead plaster storage battery negative electrode expanding agent.

Third rail position detection method and system

The invention discloses a third rail position detection method and system, and the method comprises the steps: respectively collecting the contour data of a third rail, the contour data of a first steel rail, and the contour data of a second steel rail, the contour data of the first steel rail comprises two contour scanning data located below the rail surface of the first steel rail; the first steel rail is close to the third rail; determining a track plane based on the contour data of the first steel rail and the contour data of the second steel rail; determining a central point of the third rail based on the contour data of the third rail; calculating a guide height value of the third rail based on the rail plane and the center point of the third rail; and calculating the pull-out value of the third rail based on the contour data of the first steel rail, the central point of the third rail and the rail plane. According to the invention, the accuracy of third rail position measurement ...

FIREPROOF GLUE LIQUID MATRIX AND PREPARATION METHOD THEREFOR, AND FIREPROOF GLUE LIQUID AND PREPARATION METHOD THEREFOR

Provided is a fireproof glue liquid matrix, comprising silicon dioxide and also comprising a lubricating matter, wherein the lubricating matter is a copolymer of an aromatic olefin and/or an acrylate. The present invention also relates to a fireproof glue liquid, comprising the fireproof glue liquid matrix. The present invention also relates to a preparation method for the fireproof glue liquid matrix and a preparation method for the fireproof glue liquid. The fireproof glue liquid prepared in the present invention has a viscosity of only 50 - 1000 cp, and can be used for preparing a composite fireproof glass with a fireproof layer thickness of less than 1 mm; and the fireproof layer prepared by the fireproof glue liquid has the advantages of a good fireproof and heat isolation performance, a high hardness, a high transmittance and a good anti-ultraviolet performance.

LINKED COVER OPENING ASSEMBLY AND TOP-LOADING HORIZONTAL AXIS WASHING MACHINE

A linked cover opening assembly and a top-loading horizontal axis washing machine are provided for resolving the problem in which opening of an outer-drum cover and an inner-drum cover of an existing top-loading horizontal axis washing machine is complex. The top-loading horizontal axis washing machine comprises an outer drum (2) and an inner drum (3). An outer-drum cover (21) is disposed on the outer drum (2). An inner-drum cover (31) is disposed on the inner drum (3). A handle (4) is pivotally disposed on the outer-drum cover (21). A connecting member is fixedly connected to the handle (4) and is pivotally connected to an unlocking member. When the outer-drum cover (21) and the inner-drum cover (31) are both closed and a user pulls the handle (4), the handle (4), by means of the connecting member, drives the unlocking member to slide towards a button (3121) on the inner-drum cover (31) until the unlocking member abuts the button (3121) on the inner-drum cover (31) and unlocks the inner-drum ...

GRIP TAPE

A grip tape, comprising: two cushioned sections (11), two tight sections (12) and three backbones (13); the three backbones combine and interlace the two cushioned sections and two tight sections; a backbone interlacing position forms a depression, while the two cushioned sections and the two tight sections form opposing protrusions such that when the grip tape is used to wrap around a grip, the tape may provide a solid and comfortable grip, while on the other hand, the grip tape has a good water absorption effect.

Rod type strain balance working in wide temperature range from normal temperature to low temperature and application method

The invention discloses a rod-type strain balance working in a wide temperature range from normal temperature to low temperature and an application method, and belongs to the field of wind tunnel test, the rod-type strain balance comprises a cylindrical balance main body and a protective cover matched with the balance main body; the balance main body is configured to comprise an axial force measuring element, and a front cross beam, a front flange, a rear cross beam and a rear flange which are arranged on the front side and the rear side of the axial force measuring element; wherein a plurality of strain gauges are respectively arranged on the front cross beam, the axial force element and the rear cross beam to construct seven groups of Wheatstone bridges; and sensor groups for monitoring the temperature change of the balance main body and the Wheatstone bridge are arranged on the axial force measuring element, the front cross beam and the rear cross beam. According to the rod-type strain ...

Method for monitoring real-time blade tip clearance distance of fan

The invention relates to the technical field of fan generator clearance distance monitoring radars, and particularly discloses a fan real-time blade tip clearance distance monitoring method comprising the following steps: obtaining original ranging data in a preset time period, and calculating an initial clearance distance based on the original ranging data; determining whether the fan has abnormal vibration or not according to the initial clearance distance; if the abnormal vibration exists, the vibration period and the vibration amplitude of the abnormal vibration fan blade are obtained; calculating a clearance distance correction value based on the vibration period and the vibration amplitude, and determining an actual clearance distance according to the clearance distance correction value and the initial clearance distance; if the abnormal vibration does not exist, determining the initial clearance distance as an actual clearance distance; and filtering the environmental interference ...

Overall disassembling device and method for scrapped photovoltaic module back plate

The invention relates to the technical field of photovoltaic module recycling, in particular to an overall disassembling device and method for a scrapped photovoltaic module back plane.The overall disassembling device comprises a workbench, a hot knife disassembling device and a lifting synchronous belt device.The hot knife disassembling device comprises a hot knife frame, and two hot knife base bodies are installed on the hot knife frame; a hot knife blade is mounted at the bottom of each hot knife base body, a heating rod is mounted in each hot knife base body, a rough roller is mounted on the outer side of each hot knife base body, and a fine roller is mounted between the two hot knife base bodies; according to the invention, EVA is rapidly fused by using the heated hot knife blade, the bonding effect and toughness of a packaging material are reduced, so that planing of the hot knife blade to a backboard is facilitated, power consumption is reduced, the photovoltaic module is pressed ...

FILTERING DEVICE OF WASHING MACHINE AND WASHING MACHINE

Disclosed are a filtering device of a washing machine and a washing machine. The washing machine comprises a cabinet (7) and a washing drum (2) rotatably arranged in the cabinet (7), the washing drum (2) being configured to be of a drum structure for containing water during washing, and a filtering device (1) being mounted on an inner peripheral wall of the washing drum (2). The filtering device (1) comprises a mounting base (3) located on the inner peripheral wall of the washing drum (2) and having a water guide passage (4) for guiding and draining water in the washing drum (2) to the outside of the washing drum (2), and a filtering passage (5) for limiting a water circulation path in the washing drum (2); and a filter (6) located on the mounting base (3) and in communication with the filtering passage (5), wherein the water guide passage (4) is separate from the filtering passage (5). Drainage is conducted from a first water drainage port (21) located at a lower portion of a peripheral ...

CLOUD COMPUTING TASK SCHEDULING METHOD CONSTRAINED BY MULTIPLE QUALITY-OF-SERVICE REQUIREMENTS

A cloud computing task scheduling method constrained by multiple quality-of-service requirements. In the method, all users give demand QoS descriptions on a submitted task, and QoS service provision capability descriptions are also given when all resources are published; and by using a scheduling algorithm, attempts are made in search to find a task scheduling solution that having optimal QoS according to the QoS descriptions. The method resolves the problem of cloud computing task scheduling and can be used in scheduling of a cloud computing task.

Method for treating 1, 2, 3, 6-tetrahydrophthalimide crystallization wastewater

The invention relates to the technical field of industrial wastewater treatment, and particularly discloses a treatment method of 1, 2, 3, 6-tetrahydrophthalimide crystallization wastewater. Comprising the following steps: S1, concentrating the 1, 2, 3, 6-tetrahydrophthalimide crystallization wastewater to 30%-40% of the original volume to obtain a concentrated solution; s2, heating the concentrated solution to 155-165 DEG C, and carrying out a heat preservation reaction for 2.0-3.0 h to obtain a reaction solution; and S3, adding water into the reaction liquid, then cooling and crystallizing, and carrying out solid-liquid separation to obtain crystallized mother liquor and 1, 2, 3, 6-tetrahydrophthalimide. The treatment method of the 1, 2, 3, 6-tetrahydrophthalimide crystallization wastewater, provided by the invention, is simple and convenient to operate, easy to implement and low in equipment maintenance cost, realizes the purposes of resource utilization and clean production of raw materials ...

HUMAN-MACHINE INTEGRATED QUALITY INSPECTION SYSTEM AND METHOD IN DIGITAL PRODUCT INSPECTION

Provided are a human-machine integrated product quality inspection system and method combining personal experience and instrument testing. After a product is produced, the system and method introduce a related CAD model, and submit the product to the digital inspection section of the system for testing; if the product is identified as disqualified, then removing the product, and returning the product for reprocessing; if the product is identified as qualified, then submitting the product to a manual inspection section for a relevant quality inspector to test; if the product is identified as qualified via the manual inspection, then allowing the product to directly leave the factory as a quality product; if the product is identified as disqualified via the manual inspection, then removing the product, returning the product for reprocessing, and according to the erroneous judgment by the digital inspection section, utilizing a rule modifier of a system evolution section to modify relevant ...

Climbing device for first-aid repair of power distribution network

The invention relates to a climbing device for first-aid repair of a distribution network. The climbing device comprises two supporting legs, a supporting plate arranged at the top ends of the two supporting legs and a tool storage device arranged on the supporting plate. A pedal is arranged on the supporting legs, the tool storage device comprises a connecting rod fixed to the side face of the supporting plate and a tool tray arranged above the connecting rod, and a lifting adjusting device used for adjusting the height of the tool tray is arranged between the tool tray and the connecting rod. According to the invention, workers can conveniently and quickly take maintenance tools.

Warning frame for emergency rescue of power supply company

The invention provides a warning frame for emergency rescue of a power supply company, which comprises a supporting table and a containing frame arranged on the supporting table, a suction cup is arranged at the bottom of the supporting table, a warning panel is arranged on the outer surface of the containing frame, and 2-3 movable warning panels are movably arranged in the containing frame. When the warning effect of the warning panel is insufficient, the movable warning plates located on the left side and the right side of the supporting table 1 are opened respectively, the warning area is increased, and the warning effect is enhanced. In addition, the movable warning plate located on the upper side of the supporting table 1 can be opened, so that the warning area can be increased in height and width, and the warning effect is enhanced. When the warning board is not used, the movable warning board is retracted into the containing frame, and the warning board is convenient to store and ...

High-speed accompanying elevator cable

The invention discloses an elevator cable for high-speed accompanying use, and relates to the technical field of cables, the cable is arranged between an outer frame and an elevator main body, the elevator cable further comprises a balance assembly arranged on the cable in a sleeving mode, and the balance assembly comprises a sliding sleeve arranged on the cable in a sliding and sleeving mode; the elevator further comprises an equidistant balance part, and when the elevator body moves, the equidistant balance part is driven to be pulled open at equal intervals. According to the elevator cable for high-speed accompanying use, the balance between the two cable sections can be kept in a large range, the contact condition of the cable during movement can be greatly reduced, the occupied space of the cable can be greatly reduced, the service life of the cable is integrally prolonged, namely, the two cable sections can be separated from each other under the action of the sliding sleeve, and the ...

OBJECTIFICATION AND VIRTUALIZATION MECHANISM FOR MODE OF RELATIONAL DATABASE TABLE

An objectification and virtualization mechanism for a mode of a mainstream relational database table. Rational database tables with huge physical differences are converted into a uniform object model, that is, each of the database tables is simply regarded as a p-v object instance system, and each database table field is converted into a pojo instance to serve as a key attribute of the p-v object instance system and is persistent in a cloud database meta node database so as to form a virtual table resource. Thus, a complex physical structure of a multi-element heterogeneous database is evolved into a uniform virtual database platform with a relatively simple logic, a mapping is established between a logic element and a physical element, and an operation mode of concept of a logic layer is defined and mapped into an operation mode for the physical element, complex underlying physical details and differences are shielded, and a cloud database virtualization platform uniformly based on an ...

DATA STORAGE AND QUERY METHOD

Disclosed is a data storage and query method which supports rapid development and horizontal scaling in the technical field of computer applications. The method comprises: abstracting data into a tuple (Key, MiniTable), and identifying any MiniTable (removing data sets) by means of a unique Key; forming the MiniTable by a plurality of data lines, limiting the structure of the data lines by means of a predefined pattern, and ranking the lines according to a master key defined by the pattern; and obtaining the horizontal scaling capability of the system using a method of removing the dependency among the data sets, and at the same time retaining the dependency among the interior data of the data sets to support an SQL-class-\ grammar, thereby obtaining the characteristic of rapid development. The method can be applied to support the horizontal scaling pattern of big data and support a data management system in an rapid development pattern with a short development cycle.

SEALANT COATING NOZZLE AND SEALANT COATING DEVICE

Provided is a sealant coating nozzle, comprising a nozzle cavity (11), a nozzle opening (21) in communication with the nozzle cavity (11), telescopic inner membranes (31, 31a, 31b) located in the nozzle cavity (11) and a driving device which drives the telescopic inner membranes (31, 31a, 31b) to deform in the nozzle cavity (11). When the telescopic inner membranes (31, 31a, 31b) are in a first deformation state, the volume of the nozzle cavity (11) is decreased, so that sealant in the nozzle cavity (11) is squeezed out via the nozzle opening (21). When the telescopic inner membranes (31, 31a, 31b) are in a second deformation state, the volume of the nozzle cavity (11) is increased, so that the sealant at the nozzle opening (21) is sucked into the nozzle cavity (11). Also provided is a sealant coating device comprising the nozzle.

COMPUTER ACCOUNT MANAGEMENT SYSTEM AND IMPLEMENTATION METHOD THEREOF

The present invention relates to the technical field of computer applications, and in particular, to a computer account management system and an implementation method thereof. The system in the present invention is formed of five subsystems, that is, an account management subsystem, an information asset management subsystem, an identity authentication (integration) subsystem, a service (integration) subsystem, and an account portal. The account management subsystem implements physical account and logical account information management. The information asset management subsystem manages data information resources generated during an activity of a physical account information network. The identity authentication subsystem provides an authentication integration interface for a physical account. The service subsystem is a customizable interface open to the Internet or an intranet. The account portal provides interfaces and tools for account login, management of a list of services subscribed ...

WASHING MACHINE HAVING SEPARATE WASHING ARRANGEMENTS

A washing machine having separate washing arrangements, comprising a housing (1), and, arranged within said housing (1), a first automatic washing system (2) and a second automatic washing system (3). The housing (1) contains a first washing area (4) for accommodating the first automatic washing system (2) and a second washing area (5) for accommodating the second automatic washing system (3), said first washing area (4) and second washing area (5) being arranged one on the left and the other on the right. The vertical plane upon which are located the axis of the first automatic washing system (2) and the axis of the second automatic washing system (3) and the vertical plane of the center line of the top of the present washing machine form an angle. Arrangement of the first automatic washing system (2) and the second automatic washing system (3) within the housing (1) provides a single washing machine with separate washing functions, and a user may choose according to need whether to operate ...

PUSH-TO-OPEN LATCH WITH ADJUSTABLE TRAVEL

A push-to-open latch with an adjustable travel, comprising a housing (20) and a push-to-open structure (10) which can be pushed to open and which is provided in the housing (20), the push-to-open structure (10) comprising an upper sleeve portion (1), a lower sleeve portion (2) and an adjusting rod (3) provided between the upper sleeve portion (1) and the lower sleeve portion (2), the upper sleeve portion (1) and the adjusting rod (3) being fixedly connected by means of threads. The upper sleeve portion (1) can rotate with respect to the adjusting rod (3) by rotating the upper sleeve portion (1), such that the upper sleeve portion (1) moves upward or downward with respect to the adjusting rod (3), further enabling the upper sleeve portion (1) to move with respect to the housing (20) in an upward or downward direction for adjusting the length of the upper sleeve portion (1) protruding into the housing (20), that is to say, the length of travel of the push-to-open structure (10) can be adjusted ...

Maintenance tool storage device

The invention provides a maintenance tool storage device. The maintenance tool storage device comprises a supporting transverse plate, 2-3 storage vertical plates arranged below the supporting transverse plate, a storage box and an oil sticking tool storage device, wherein the storage box and the oil sticking tool storage device are arranged above the supporting transverse plate; a first transverse groove is formed in the storage vertical plate, a plurality of hooks are arranged on the first transverse groove, and an expansion vertical plate is arranged in the storage vertical plate in a sliding mode. When too many maintenance tools need to be stored, the expansion vertical plates are pulled open, the maintenance tools are placed on the expansion vertical plates, and the device can be suitable for storage of different numbers of maintenance tools.

Synthesis method of 1, 2, 3, 6-tetrahydrophthalimide

The invention relates to the technical field of organic chemical synthesis, and particularly discloses a synthesis method of 1, 2, 3, 6-tetrahydrophthalimide. Comprising the following steps: S1, uniformly mixing 1, 2, 3, 6-tetrahydrophthalic anhydride, ammonium carbonate and water, then heating to 140-145 DEG C, and carrying out heat preservation reaction for 2-3 hours to obtain a reaction solution; and S2, adding water into the reaction liquid, cooling, crystallizing, carrying out solid-liquid separation, and drying to obtain the 1, 2, 3, 6-tetrahydrophthalimide. According to the invention, 1, 2, 3, 6-tetrahydrophthalic anhydride, ammonium carbonate and water are used as raw materials, and the reaction conditions are mild, safe and easy to control; ammonia water and organic solvents are not involved, and the method is environment-friendly; the target product is high in yield and purity.

WASHING MACHINE WASHING WITH SPRAY AND FLOATING ACTION

Disclosed is a washing machine washing with spray and floating action, wherein a gap between an inner drum (2) and an outer drum (1) is in communication with an inner water channel (13) of wave wheel (3) via a connecting water channel (6) provided with a water pump (9); and washing water between the inner and outer drums passes through the connecting water channel and the wave wheel inner water channel and is sprayed into the inner drum by means of spray holes (14) provided on a surface of the wave wheel, and upwardly sprayed water columns are formed in the inner drum which wash laundry. With the above-mentioned arrangement, upwelling water columns are continually formed in the inner drum, thereby washing laundry and alleviating the phenomenon of entwined laundry caused by repeated reversals, and thus avoiding damage to laundry caused by becoming entangled. Moreover, since laundry is continually rolled over in the washing process, the contact area between the laundry and the washing water ...

HIGH-SPEED LOCOMOTIVE WINDSHIELD AND PREPARATION METHOD THEREFOR

A high-speed locomotive windshield and a preparation method therefor. Said windshield comprises an anti-reflection film layer (1), chemically toughened glass layers (21, 22), adhesive film layers (3) and an anti-splashing layer (4). The anti-reflection film layer (1) is coated on one side of a first chemically toughened glass layer (21). The adhesive film layer is adhered between the first chemically toughened glass layer (21) and a second chemically toughened glass layer (22). The anti-splashing layer (4) is disposed on the outer side of the second chemical toughened glass layer (22), and the adhesive film layer (3) is adhered therebetween. First electric heating assemblies (5) are also comprised, and the first electric heating assemblies are arranged in the adhesive film layer (3) in contact with the first chemical toughened glass layer (21). The preparation method for the high-speed locomotive windshield is: respectively manufacturing the anti-splashing layer (1), the adhesive film layer ...

Rapid seat entering and exiting device with angle adjuster and automobile seat with rapid seat entering and exiting device

The invention provides a rapid seat entering and exiting device with an angle adjuster and an automobile seat thereof. The rapid seat entering and exiting device comprises a pair of rapid seat entering and exiting mechanisms, a synchronous rod, a front transverse pipe and a pair of sliding rail support assemblies, and the rapid seat entering and exiting mechanisms are installed on the corresponding sliding rail support assemblies through the synchronous rod and the front transverse pipe; each seat rapid in-out mechanism comprises a side plate welding assembly, an angle adjuster assembly, a driving mechanism and a collision lock mechanism, the angle adjuster assembly is arranged on the synchronous rod in a penetrating mode, one end of the angle adjuster assembly is rotationally connected with the side plate welding assembly, and the other end of the angle adjuster assembly is rotationally connected with the sliding rail support assembly; one end of the collision lock mechanism and the other ...

High-fluidity flame-retardant polyurethane flexible foam composition

The invention relates to the field of polyurethane flexible foam materials, and discloses a high-fluidity flame-retardant polyurethane flexible foam composition which comprises a component A and a component B in a weight ratio of (2: 1)-(10: 3), wherein the component A comprises the following components in parts by weight: 90-100 parts of polyether polyol, 0.5-1.3 parts of a catalyst, 0.8-1.5 parts of a foam stabilizer, 2-4 parts of a foaming agent and 5-15 parts of a flame retardant; the component B is diisocyanate; uniformly mixing and stirring the raw materials of the component A to obtain a polymer; the component A and the component B are stirred to obtain a mixed foaming material with high fluidity, and the mixed foaming material is poured into a mold to be cured to obtain a polyurethane flexible foam product; according to the invention, several different types of catalysts are compounded for use, so that the milky white time is effectively prolonged, enough operation time is provided ...

CLEANING APPARATUS, AND CLEANING METHOD

A cleaning apparatus, and cleaning method. The cleaning apparatus is used to clean residues on a substrate. The cleaning apparatus comprises a deformation device (22) provided on the substrate (21), and an excitation device (23) used to create an excitation source for the deformation device (22), such that the deformation device (22) is deformed under the action of the excitation source, and thus drives the substrate (21) to vibrate. In this way, the present invention enables shaking residues off a substrate.

WASHING MACHINE DISPLAY MODE

Disclosed is a washing machine display mode, comprising at least two sets of washing apparatuses and a display manipulation screen, wherein the display manipulation screen comprises at least two different independent display interfaces, and one display interface corresponds to one set of washing apparatus. The display manipulation screen of the washing machine can display at least two colours, one display interface corresponding to one colour. After the washing machine is initialized, one set of washing apparatus or a combination of the at least two sets of washing apparatuses is randomly selected, and the display interfaces corresponding to different manipulation processes of the selected washing apparatus display different brightnesses. By setting at least two colours for a display screen of a washing machine, switching between different colours and between different brightnesses is realized for different manipulation processes of the washing machine, and personalized requirements of ...

WATER GUIDING STRUCTURE OF WASHING MACHINE, WASH TUB HAVING SAME AND WASHING MACHINE

A water guiding structure (2) of a washing machine, a wash tub (1) having the same and a washing machine. The water guiding structure (2) is disposed on an external wall (201) of the wash tub (1). A cross-sectional area of a water outlet end of the water guiding structure (2) is greater than that of a water inlet end. The water outlet end of the water guiding structure (2) is flared along a rotation direction of the wash tub and is an open structure. The water outlet end of the water guiding structure (2) is a flared structure, and the external wall (201) of the water guiding structure is configured to be in the form of a large circular arc to reduce a contact area with water during a spin-drying process, thereby greatly increasing washing capacity of the wash tub (1) while ensuring a drain function and internal space cleaning.

VIRTUAL TABLE INDEXING MECHANISM AND METHOD CAPABLE OF REALIZING MULTI-ATTRIBUTE COMPOUND CONDITION QUERY

The present invention relates to the technical field of computer applications, in particular, to a virtual table indexing mechanism and method capable of realizing multi-attribute compound condition query. The present invention comprises three critical components of an index manager, a condition analyzer and a pre-execution engine. The present invention constructs index key values for a plurality of attributes on a virtual table. When querying, query conditions applied to the virtual table are calculated. Whether it is required to execute a physical entity table mapped by a the virtual table independently judged for each attribute in advance according to a key value index, thus ensuring that the query is only applied to a sub-virtual table satisfying corresponding key value conditions for execution. The present invention effectively solves the multi-attribute compound condition query of a virtual table, and can be used in virtual table indexing.

Method for determining measurement uncertainty of wind tunnel strain balance in partitioned manner

The invention belongs to the technical field of aerospace force measurement test device calibration, and particularly relates to a method for determining the measurement uncertainty of a wind tunnel strain balance in a partitioned manner, which comprises the following steps of: determining a plurality of calibration load intervals for static calibration of the balance; determining a loading load implementation table and a comprehensive loading error verification load implementation table for static calibration of the balance, carrying out six-component simultaneous loading on the calibrated balance, and obtaining a Wheatstone bridge actual output signal value of each component of the calibrated balance and a Wheatstone bridge verification output signal value of each component of the balance; a response surface method is adopted, and according to different calibration load intervals and the actual output signal value of the Wheatstone bridge of each component of the balance, the working ...

一种利用标记语言描述并访问网络服务的方法

The present invention relates to the method of describing and accessing network service with markup language. There are designed one markup language for describing several kinds of network service uniformly and one corresponding backup system for completing the analysis and processing of the markup language and realizing the access to network service. The method includes literal analysis, judgment of whether to need additional information, establishing complete parameter table, completing initialization and starting network service. The method simplifies the definition of user's network access, and after the user provides the minimum information, the system will complete the residual works automatically. The method realizes the uniform, dynamic and flexible access, is suitable for several kinds of platform and languages and is applicable to both program developer and ultimate user.

Artificial tooth root implant system

The invention provides an artificial tooth root implant system. The artificial tooth root implant system comprises an artificial tooth root implant body, a coating, a dental crown, a bone grafting bin and a fixing part, the artificial tooth root implant body comprises a foundation pile, a tooth neck and at least two tooth roots which are connected in sequence, and the at least two tooth roots are arranged in the circumferential direction of the tooth neck, so that the stress conduction characteristic of natural molar and the stress distribution characteristic of the tooth roots are simulated, and the artificial tooth root implant has relatively high rotation resistance. The bone grafting bin is arranged between at least two tooth roots, and the fixing piece is matched with the bone grafting bin in the crown root direction or the buccal tongue direction, so that good retention performance is provided for the implant, and the problem of poor initial stability is solved. The coating covers ...

具有瞬态特性的柔性相控阵雷达

... 本发明公开了一种具有瞬态特性的柔性相控阵雷达，其包括相控阵雷达组件、互连线、柔性基底及自毁结构；所述的自毁结构包含PAG/聚合物结构；PAG/聚合物结构被激发后会产生酸性溶液腐蚀互连线或相控阵雷达组件。将刚性TR组件集成在具有瞬态特性的柔性基底上，柔性基底具有可变形，韧性好等特点，大大减少了相控阵雷达的体积和重量，并且可以改变相控阵雷达的形状，使其应用到各种复杂环境。具有瞬态自毁特性的柔性基底，在需要情况下，使得电子设备自毁，确保军事机密安全、保持技术优势，该发明可以广泛的应用到军事领域。 ...

Valve with throttling function and working method thereof

The invention provides a valve with a throttling function and a method, the valve with the throttling function comprises a valve body and a valve core, the valve body is provided with an inlet, a first channel and an outlet which are communicated in sequence, the valve core is arranged in the first channel, and a sealing piece is arranged between the valve core and the valve body; a plurality of outer diameter changing sections are arranged at the end of the valve element, the flexible sealing ring is arranged in the valve body, and the end of the valve element penetrates through the sealing ring and enters the first channel; the second channel is arranged in the valve body and communicated with the first channel, and the root of the valve element and the sealing piece are located in the second channel. The position detection unit is used for detecting the position of the valve element in the first channel; the calculation unit is used for obtaining the fluid flow at the outlet according ...

Composite partition plate suitable for deep circulation power type lead-acid storage battery

The invention relates to the technical field of AGM separators, and discloses a composite separator suitable for a deep cycle power type lead-acid storage battery, which comprises a coarse cotton layer and a fine cotton layer, the coarse cotton layer faces the positive electrode of the battery, and the fine cotton layer faces the negative electrode of the battery; the raw materials of the coarse cotton layer comprise 17-degree SR glass fiber cotton and 24-degree SR glass fiber cotton; the fine cotton layer is made of 44-degree SR glass fiber cotton and 29-degree SR glass fiber cotton. According to the invention, cotton components of the coarse cotton layer and the fine cotton layer are adjusted and optimized, so that the 5min capillary acid absorption height and pressurized acid absorption performance indexes of the composite separator are excellent, and the dynamic wet resilience performance is better than that of a common separator, so that the cycle life of a deep cycle power battery ...

Preparation method of waxberry-shaped iron oxide negative electrode material

The invention discloses a preparation method of a waxberry-shaped iron oxide negative electrode material, and iron oxide particles with a waxberry-like structure are prepared by using a surfactant to regulate and control the particle morphology through a hydrothermal synthesis method. The preparation method is simple, easy to repeat and high in controllability, and the prepared waxberry-shaped iron oxide particles are of a three-dimensional structure with high specific surface area and porosity, can provide more active sites as a negative electrode material, can promote potassium ion transmission in the charge-discharge process, and are stable in character, easy to store and suitable for industrial production. The material is used as a negative electrode material of a potassium ion battery and has excellent rate capability and cycling stability.

一种基于变压器的八路正交功率合成器

... 本发明公开了一种基于变压器的八路正交功率合成器，包括一个正交耦合器，所述正交耦合器上下对称连接有两个结构相同的平衡功率合成器；所述平衡功率合成器包括次级线圈、匝数相同的第一初级线圈和第二初级线圈，所述次级线圈以对称互绕形式嵌套设于所述第一初级线圈和第二初级线圈中，所述第一初级线圈和所述第二初级线圈的断点处两端聚拢并分别布置于远离所述正交耦合器方向的左右两对角处，本发明提供一种基于变压器的八路正交功率合成器，包括三个变压器结构：两个相同的基于变压器的平衡功率合成器和一个基于变压器的正交耦合器，用于高线性、高功率合成的高频功率放大器。 ...

Processing system of drop switch brake pull rod and drop switch brake pull rod

The invention relates to the technical field of drop switches, and discloses a drop switch brake pull-rod machining system and a drop switch brake pull-rod. The drop switch brake pull-rod machining system comprises a control system, an extruding machine, a processor, a numerical control machine tool and an assembling machine, and the control system is connected with the extruding machine, the processor, the numerical control machine tool and the assembling machine; the extruder, the processor, the numerical control machine tool and the assembling machine are managed and controlled, the extruder is used for stirring the injected raw materials and extruding the raw materials into U-shaped insulating rod blanks, the processor is used for carrying out heat treatment and cooling treatment on the U-shaped insulating rod blanks, the numerical control machine tool is used for processing the U-shaped insulating rod blanks, and the formed U-shaped insulating rod is obtained; the assembling machine ...

Nuclear domain element detection system and method

The invention provides a nuclear field element detection system and method.The nuclear field element detection system comprises an ICP analysis device, and the ICP analysis device comprises a power source, a torch tube and a coil; the nuclear radiation shielding body comprises a shielding wall and an isolation piece, the power supply is arranged on the outer side of the shielding wall, and the coil is arranged on the inner side of the isolation piece; a connecting wire is connected with the power supply and penetrates through the shielding wall; the two ends of the coil are connected with the first set of connecting pieces respectively, the first set of connecting pieces are arranged on the first fixing base, the connecting line is connected with the second set of connecting pieces, the second set of connecting pieces are arranged on the first bearing piece, and the first bearing piece is fixed to the isolation piece and sealed. The first group of connecting pieces and the second group ...

Preparation method of intrinsic flame-retardant waterborne polyurethane superfine fiber synthetic leather base

The invention relates to the field of functional synthetic leather manufacturing, and discloses a preparation method of an intrinsic flame-retardant waterborne polyurethane superfine fiber synthetic leather Bas.According to the preparation method, phosphorus-silicon-nitrogen flame-retardant waterborne polyurethane is prepared by taking phosphorus-containing polyether polyol, silicon-containing polyol and melamine as flame-retardant monomers through a one-step prepolymerization method; the preparation method comprises the following steps: preparing self-made flame-retardant waterborne polyurethane into impregnation slurry to impregnate a sea-island superfine fiber non-woven fabric, and performing dry solidification on the non-woven fabric impregnated with the slurry to prepare a superfine fiber synthetic leather base; the superfine fiber synthetic leather base prepared by the preparation method disclosed by the invention is relatively soft in hand feeling, excellent in flame retardant property ...

Micro LED chip and preparation method thereof, and Micro LED display device and preparation method thereof

The invention provides a MicroLED chip and a preparation method thereof, and a MicroLED display device and a preparation method thereof, and the preparation method of the MicroLED display device comprises the steps: S1, providing an epitaxial wafer; the epitaxial wafer comprises a growth substrate, an N-GaN layer, a light-emitting layer and a P-GaN layer which are stacked at a time. S2, forming a first ITO film layer on the surface of the P-GaN layer; s3, depositing a first insulating layer on the surface of the first ITO film layer; s4, forming a plurality of periodically arranged concave holes in the first insulating layer; s5, forming a P electrode metal column in the concave hole; s6, the P electrode metal column is connected with a positive electrode metal layer on the CMOS driving chip, so that bonding of the MicroLED chip and the CMOS driving chip is achieved; s7, removing the growth substrate; s8, the N-GaN layer is thinned; and S9, a segmentation groove is formed in the epitaxial ...

Preparation method of nano silicon dioxide modified polyacrylate water-soluble equipment protective film solution

The invention discloses a preparation method of a nano silicon dioxide modified polyacrylate water-soluble equipment protective film solution, which comprises the following steps: adding methacrylic acid, methyl methacrylate, hydroxyethyl methylacrylate, glycidyl methacrylate, iso-octyl methacrylate, styrene and an organic solvent into a reaction kettle, starting stirring, carrying out reflux condensation, filtering, washing, and drying to obtain the nano silicon dioxide modified polyacrylate water-soluble equipment protective film solution. Adding a free radical initiator, reacting at 50-100 DEG C for 1-5 hours, and then cooling to 40-80 DEG C; according to the scheme, through free radical polymerization, the content of acrylic acid and hydroxyethyl methylacrylate is adjusted to adjust the water solubility of a polymer, the content of vinyl silicone oil is adjusted to adjust the antifouling property of the polymer and the toughness of a film, and the purposes of reducing surface tension ...

Groove type inserting and hanging piece structure for mounting super-thick stone plate

The utility model discloses an ultra-thick stone plate installation groove type inserting and hanging piece structure which comprises a cuboid-shaped inserting groove block (1), two opposite rectangular faces on the inserting groove block (1) are supporting faces (2), and limiting tenons (3) are arranged on the two supporting faces (2). A rectangular surface between the two supporting surfaces (2) is a mounting surface (4), and a T-shaped mounting groove (5) is formed in the mounting surface (4); a fixing piece (7) is fixed in the mounting groove (5) through a bolt (6); the fixing piece (7) comprises a plate-shaped mounting part (8) which is fixed on the bolt (6) and leans against the mounting surface (4); the utility model has better supporting property and fixity.

Artificial tooth root implant system

The invention provides an artificial tooth root implant system. The artificial tooth root implant system comprises an artificial tooth root implant body, a coating, a dental crown and at least one bone grafting bin, the coating at least covers part of the outer surface of the artificial tooth root implant body; the dental crown is arranged at one end part of the artificial tooth root implant body in a sleeving manner; the bone grafting bin is fixedly connected with the artificial tooth root implant body so as to provide certain support for implantation, and is provided with a cavity for accommodating the filler; the added filler can reduce rejection, promote bone tissue growth and improve initial stability. Besides, the coating selectively has elastic deformation capacity, so that the implant is convenient to implant, stable connection with a tooth extraction socket can be realized, and the initial stability after implantation is guaranteed. And the bone grafting bin selectively has elasticity ...

Preparation method of composite winged yam rhizome RS3 resistant starch

The invention provides a preparation method of composite winged yam rhizome RS3 resistant starch, and belongs to the technical field of starch processing. The method comprises the following steps: step 1, performing electron beam irradiation treatment on winged yam rhizome starch; 2, preparing the starch subjected to irradiation treatment in the step 1 into starch milk, adjusting the pH value, and then carrying out autoclaving treatment; step 3, thermally mixing the starch subjected to pressure heating in the step 2 with a xylitol solution, shaking and uniformly mixing to obtain a mixed solution; 4, cooling the mixed solution obtained in the step 3 at room temperature, and refrigerating for aging and retrogradation; and 5, carrying out forced air drying on the retrograded starch milk obtained in the step 4, crushing, and sieving to obtain the composite winged yam rhizome RS3 resistant starch. According to the method, the yield of the resistant starch is increased to 62.24% +/-0.21%.

Flame-retardant polyurethane flexible foam with excellent mechanical property and preparation method thereof

The invention relates to the technical field of polyurethane flexible foam, and discloses flame-retardant polyurethane flexible foam with excellent mechanical properties and a preparation method thereof. Polyurethane flexible foam is an extremely flammable material, a certain mass fraction of a flame retardant is usually added into a foaming material, however, the addition of a powder flame retardant and some liquid flame retardants often reduces various physical properties of the polyurethane flexible foam, and even causes the phenomena of collapse, cracking and the like of the foam. According to the invention, by adjusting the types and proportions of the raw materials such as the polyol and the catalyst, on the premise of not changing the process flow, the adverse effects of the addition of the flame retardant on various properties of the polyurethane flexible foam are reduced, especially the mechanical properties such as stretching, compression and tearing are kept good, and the service ...

Obstacle super-resolution sensing method and device based on constant false alarm detector

The invention discloses an obstacle super-resolution sensing method based on a constant false alarm detector. The obstacle super-resolution sensing method comprises the following steps: step 1, acquiring a frequency spectrum signal of a multi-dimensional line spectrum signal in a radar signal; 2, selecting a unit with the maximum amplitude module value square as a first detection unit, and inputting the first detection unit into a constant false alarm detector for detection; 3, removing the first detection unit from the frequency spectrum signals, selecting a unit with the maximum amplitude module value square in the removed frequency spectrum signals as a second detection unit, inputting the second detection unit into a constant false alarm detector to judge whether the second detection unit is a valid target or not, and rechecking the first detection unit which is judged to be an invalid target; 4, repeating the steps to output a final effective target set; and step 5, based on the final ...

Radio frequency and millimeter wave active vector modulation type phase shifter

The invention discloses a radio frequency and millimeter wave active vector modulation type phase shifter. Two paths of differential signals VIP2 and VIN2 and VQP2 and VQN2 output by a common-source amplification circuit are respectively subjected to phase shift through an I-path passive network and a Q-path passive network to generate two paths of orthogonal differential signals VIP3 and VIN3 and VQP3 and VQN3; after the amplitude of the orthogonal differential signals VIP3 and VIN3 and the amplitude of the orthogonal differential signals VQP3 and VQN3 are adjusted through the I-path common-gate transistor array and the Q-path common-gate transistor array respectively, the orthogonal differential signals VIP3 and VIN3 and the orthogonal differential signals VQP3 and VQN3 are synthesized into a group of differential signals VP and VN through the common-gate amplification circuit and input into the output matching network. According to the invention, the orthogonal signal generation circuit ...

Collector ring carbon brush of wind driven generator and carbon brushing method

The invention relates to the technical field of carbon brushes, and discloses a collector ring carbon brush of a wind driven generator, which comprises a carbon rod which is of a cylinder structure, one end of the carbon rod is an inward concave curved surface, the height of the carbon rod is greater than or equal to 64mm, the cross section area of the carbon rod is greater than or equal to 2560mm < 2 >, and the carbon rod is used for contacting a friction slip ring; the carbon rod is provided with one or more groove layers; a groove is formed in the top of the carbon brush support, and the other end of the carbon rod is fixed in the groove of the carbon brush support; the carbon brush support is of a hollow structure, and a plurality of cavities are formed in the structure. The carbon brush sleeve is matched with the groove of the carbon brush bracket in shape, is positioned between the carbon rod and the carbon brush bracket, and is used for insulating and protecting the carbon rod; the ...

Clamping tool for metal machining and clamping method of clamping tool

The clamping tool comprises a clamping table and two butt-clamping sliding grooves formed in the clamping table, polished rods are fixedly arranged on the two sides of the top end of the inner wall of the clamping table correspondingly, two clamping sliding blocks are arranged between the two polished rods in a sliding mode, clamping push rods are fixedly arranged on the two clamping sliding blocks correspondingly, and the clamping push rods are fixedly arranged on the clamping sliding blocks. According to the clamping tool for metal machining and the clamping method thereof, the matrix type clamping heads are adopted in the clamping tool for metal machining, clamping is driven through hydraulic pressure, in the clamping process, the clamping heads can be clamped through the clamping mechanisms, the clamping heads can be clamped through the clamping mechanisms, and the clamping efficiency is improved. The metal workpiece clamping device can be fully attached to the side edge of a metal ...

Method for detecting cohesiveness of steel fiber and hot melt adhesive composite material

The invention belongs to the field of composite materials, and particularly relates to a method for detecting the cohesiveness of a steel fiber and hot melt adhesive composite material. According to the invention, the binder clip with a hole at the tail end is matched with the existing clamp for tensile test, so that the problems that a special test clamp needs to be additionally customized, the cost is increased, and a large amount of manpower and material resources are consumed are solved, and certain cost is saved. In addition, the adopted binder clip is the most common iron binder clip or stainless steel binder clip in the market, and raw materials are easy to obtain; the method is scientific and reasonable in design, simple and convenient, and convenient to popularize and apply.

Early warning cable detection system

The invention discloses an early warning cable detection system, and relates to the technical field of cable detection. The method comprises the following steps: a node association unit is used for performing node association according to a relationship among nodes; the data acquisition unit is used for acquiring the temperature and current of each node once every preset time T1; and the early warning analysis unit performs data detection along the way according to the association result and the temperature and current information of the nodes transmitted by the data acquisition unit, acquires abnormal nodes and positions the abnormal trend of the cable. According to the invention, the cable temperature is sensed through the temperature-sensing early-warning cable unit, and the provided early-warning cable detection system is combined, so that real-time temperature monitoring is realized, the temperature change condition of the whole line is obtained, real-time on-off monitoring is realized ...

Solar evaporator suitable for seawater purification

The solar evaporator comprises an evaporator body, and photovoltaic panels are fixedly mounted on the front surface and the rear surface of the evaporator body; a gas collecting box is fixedly mounted on the surface of the mounting plate, a gas outlet is formed in the surface of the gas collecting box, a pressure valve is arranged in the gas outlet, a corrugated pipe covering the gas outlet is fixedly mounted on the surface of the gas collecting box, a moving block is fixedly mounted at one end of the corrugated pipe, and the moving block is horizontally arranged on the surface of the device body in a sliding mode; a scraper blade is fixedly installed on the lower surface of the moving block through a connecting part, a telescopic part is arranged in the corrugated pipe, a plurality of air holes are formed in the surface of the corrugated pipe, and air collecting assemblies are arranged on the left side wall and the right side wall of the device body. According to the device, gas is collected ...

Anchor hole reaming construction method capable of preventing hole collapse

The invention relates to an anchor hole reaming construction method capable of preventing hole collapse, and belongs to the technical field of anchoring. The free section adopts a common drill bit to carry out pipe-following construction and screw-in, the common drill bit is withdrawn when the free section reaches the joint position of the free section and the anchoring section, a rotary spraying drill bit is arranged below the free section, high-pressure cement paste is injected from a rotary spraying drill rod to the rotary spraying drill bit, the high-pressure cement paste is sprayed out from a drill bit guniting opening to cut the soil body of the anchoring section, the drill bit is rotated while the high-pressure cement paste is sprayed, and drilling is not carried out temporarily; drilling is conducted till the expanded part is gradually filled with cement grout in the expanded hole, drilling is strictly prohibited before the expanded part is filled with the grout, and drilling is ...

Cable winding device for building water and electricity installation

The invention discloses a cable winding device for building water and electricity installation. The cable winding device comprises a bottom plate, a winding mechanism and a smoothing mechanism, wherein the winding mechanism and the smoothing mechanism are arranged on the upper surface of the bottom plate; the winding mechanism comprises a shaft rod rotationally connected to the upper surface of the bottom plate, a disc is fixedly arranged at the top end of the shaft rod, a winding rod is fixedly arranged at the center axis position of the upper surface of the disc, and the surface of the winding rod is sleeved with a winding roller. The smoothing mechanism comprises a fixing frame fixedly arranged on the upper surface of the bottom plate, and the surface of the fixing frame is rotationally connected with a reciprocating lead screw. According to the cable winding device for building water and electricity installation, during winding, a reciprocating motor drives a reciprocating lead screw ...

Unmanned aerial vehicle depth patrol method for power transmission and transformation line

The invention relates to the technical field of electric power, in particular to an unmanned aerial vehicle depth inspection method for a power transmission and transformation line, which comprises the steps of acquiring coordinates of towers in the power transmission and transformation line and establishing a tower coordinate management system; the tower coordinate management system is used for determining regular patrol tasks and non-regular patrol tasks and storing patrol results; and obtaining a patrol result of the tower coordinate management system to establish a patrol backtracking database. The tower coordinate management system is established to determine the inspection route of the regular inspection task and the non-regular inspection task, the unmanned aerial vehicle executes the inspection task according to the inspection route, the operation efficiency of the power transmission and transformation line is improved, and the operation and maintenance management level of the overhead ...

Eight-path orthogonal power combiner based on transformer

The invention discloses an eight-path orthogonal power combiner based on transformer, wherein the eight-path orthogonal power combiner comprises an orthogonal coupler, and the orthogonal coupler is vertically and symmetrically connected with two balanced power combiners with the same structure; the balanced power combiner comprises secondary coils, a first primary coil and a second primary coil, the first primary coil and the second primary coil are identical in number of turns, and the secondary coils are nested in the first primary coil and the second primary coil in a symmetrical mutual winding mode; the two ends of the breakpoint of the first primary coil and the two ends of the breakpoint of the second primary coil are gathered together and arranged at the left opposite angle and the right opposite angle in the direction away from the orthogonal coupler respectively. The invention provides the eight-channel orthogonal power synthesizer based on the transformer, wherein the eight-channel ...

Preparation method of PNIPAAm hydrogel-based raised fabric with super-strong moisture absorption and water release

The invention discloses a preparation method of a PNIPAAm hydrogel-based gigging fabric with super-strong moisture absorption and water release, which comprises the following steps: firstly preparing a gigging fabric, then coating the surface of the prepared gigging fabric with a layer of PNIPAAm hydrogel with a porous structure, and finally coating the surface of the gigging fabric with polydopamine nanoparticles (PDA) and polypyrrole (PPy), thus obtaining the PNIPAAm hydrogel-based gigging fabric with super-strong moisture absorption and water release. And immersing the PDA/PPy/PNIPAAm hydrogel into a CaCl2 solution by adopting alternate cold and hot treatment to obtain the PDA/PPy/PNIPAAm hydrogel-based raised fabric environmental water collection material. Compared with an existing preparation technology, the method is more environmentally friendly, the process is simple and easy to operate, the problems of poor moisture absorption performance, low water collection efficiency and moisture ...

Anti-failure adjusting device and method for fan lightning protection support

The invention relates to the technical field of wind power generation, in particular to an anti-failure adjusting device and method for a lightning protection support of a draught fan, the anti-failure adjusting device comprises a hub and blades, a hub web is arranged in the hub, two fulcrums are arranged on the lightning protection support, each fulcrum is evenly distributed on the hub web, the draught fan further comprises a variable damping shock absorber assembly, and the variable damping shock absorber assembly is arranged on the hub web. The variable damping shock absorber assemblies are installed on the fulcrums respectively, two oil liquid channels are formed in each variable damping shock absorber assembly, and each oil liquid channel is correspondingly provided with an independent valve control unit used for adjusting the damping force and elasticity of the variable damping shock absorber assembly; the system comprises a hub web recognition module, an information collection module ...

Design method and preparation method of artificial tooth root implant system

The invention provides a design method and a preparation method of an artificial tooth root implant system. Wherein a three-dimensional model of an affected tooth is used as a design basis and is close to a real tooth, and the force transfer characteristic of a natural molar and the stress distribution characteristic of a tooth root are simulated. And when the three-dimensional model does not meet the requirement, the tooth root of the three-dimensional model is straightened and/or the bifurcation angle is processed, so that the designed tooth root is easier to be in place in a tooth extraction socket, the bifurcation angle is prevented from being too large or too small, and the implantation difficulty is reduced. In addition, the invention further designs a coating model and a bone grafting bin model. The coating model is in interference connection with the tooth extraction socket, and anti-inflammatory and growth-promoting drugs can be accommodated in the bone grafting bin model, so that ...

Home decoration environment-friendly nylon sheath wear-resistant wire

The invention discloses a home decoration environment-friendly nylon sheath wear-resistant electric wire, and relates to the technical field of electric wires, the home decoration environment-friendly nylon sheath wear-resistant electric wire comprises a supporting unit and two wire body units, the supporting unit and the two wire body units are arranged side by side, the supporting unit is located between the two wire body units, and the supporting unit comprises a wire core and an insulating sleeve wrapping the periphery of the wire core; the supporting unit comprises a ground wire and tension-bearing supporting bodies wrapping the two sides of the ground wire, the supporting unit and the two wire body units are wrapped with a conductive metal wire mesh, the conductive metal wire mesh is in electric contact with the ground wire, and the periphery of the conductive metal wire mesh is wrapped with a nylon sheath. Since the outer sides of the supporting unit and the two wire body units are ...

Preparation method of polyvinyl alcohol resin organic silicon modified water-soluble equipment protective film solution

The invention discloses a preparation method of a polyvinyl alcohol resin organosilicon modified water-soluble equipment protective film solution. The polyvinyl alcohol resin organosilicon modified water-soluble equipment protective film solution is prepared from the following raw materials: phthalic acid mono-esterified polyvinyl alcohol resin, phthalic anhydride, p-toluenesulfonic acid, dimethylformamide, octamethylcyclotetrasiloxane, a base catalyst, dimethyldichlorosilane, an acid-binding agent and an acid neutralizer. The alkali catalyst can be a strong alkali substance such as potassium hydroxide, sodium hydroxide, tetramethylammonium hydroxide and the like. The acid-binding agent can be sodium carbonate, potassium carbonate, calcium carbonate, triethylamine and the like. The acid neutralizer can be potassium hydroxide and sodium hydroxide; according to the scheme, dimethylsiloxane synthesized by taking octamethylcyclotetrasiloxane as a raw material is connected to a molecular chain ...

Online detection device and method with absorbance correction

The invention provides an on-line detection device and method with absorbance correction, the on-line detection device with absorbance correction comprises a measurement chamber, an optical detection unit and a transmission pipeline, the optical detection unit comprises a light source, an optical fiber and a detector, measurement light emitted by the light source sequentially passes through the optical fiber and the measurement chamber, and the transmission pipeline is communicated with the optical fiber. Transmitting to a detector through an optical fiber; the transmission pipeline communicates with the measuring chamber; a safe area and a dangerous area are arranged on the two sides of the shielding body respectively, the light source and the detector are arranged in the safe area, the measuring chamber and the transmission pipeline are arranged in the dangerous area, and the measuring chamber is a liquid core waveguide; the two bubble detection units are respectively used for detecting ...

Transformer electricity testing equipment for high-voltage line detection

The invention discloses transformer electricity testing equipment for high-voltage line detection, and particularly relates to the technical field of high-voltage electricity testing, the transformer electricity testing equipment comprises a supporting plate, a plurality of moving wheels are arranged at the bottom of the supporting plate, two supporting rods are arranged right above the supporting plate, and extension rods are arranged in the two supporting rods; mounting frames are arranged at the top ends of the extension rods, a vertical rod is arranged at the top of one mounting frame, a cross rod is arranged at one end of the vertical rod, an electricity testing rod is arranged at the top of the other mounting frame, a rotation adjusting structure is arranged at the bottom end of the supporting rod, and a movement guiding structure is arranged on the surface of the supporting plate. On the premise that the safety of workers is guaranteed, switch-out and electricity testing operation ...

Detection device and method based on ultrasonic length measurement

The invention relates to the technical field of detection equipment, in particular to a detection device and method based on ultrasonic length measurement. Comprising a data line used for transmitting temperature data; the resistor is connected with one end of the data line; the protective sleeve is arranged on the resistor in a coating manner; the detection unit is used for detecting the ambient temperature T around the detection device; and the calculation unit is used for correcting the extension length L according to the ambient temperature T around the detection device. According to the invention, the ceramic protective sleeve is additionally arranged, so that the influence of the measurement environment temperature when the bolt elongation is measured is reduced, the method is suitable for measuring the bolt elongation by using a double-wave probe of ultrasonic equipment after the bolt is fastened, the workload of operators is effectively reduced, and the working efficiency and the ...

Preparation method of high-molecular polymerization elastic surface inert protection material

The invention discloses a preparation method of a high-molecular polymerization elastic surface inert protection material, which comprises the following steps of: adding organic silicon modified water-based polyacrylate resin, organic silicon modified water-based polypropylene glycol resin and deionized water into a stirring kettle, heating and dissolving until the organic silicon modified water-based polyacrylate resin, the organic silicon modified water-based polypropylene glycol resin and the deionized water are completely dissolved and uniformly mixed; the preparation method comprises the following steps: adding a leveling agent, isopropanol and a preservative into an air stirring kettle, adding a certain amount of deionized water, stirring, dissolving and uniformly mixing, synthesizing a self-crosslinking linkable emulsifier by adopting hydrogen-containing silicone oil with a certain molecular weight, introducing a self-crosslinking silicon hydroxyl group and then introducing a hydrophilic ...

预防软件由于长时间运行而发生错误的方法

The method of preventing software bug caused by long time running includes the following steps: recording the running time of the software; setting some threshold; informing the software system when the running time exceeds the threshold; sending request of less time by the user to the software for the software state to reset; storing data before resetting the software and restoring data after reset. By means of the method of the present invention, the software is reset before the software produces fault to preventing software error caused by long time running. The present invention is widely applicable, significant in practice and universal.

Flexible turning mechanism

The invention provides a flexible turning mechanism, and relates to the technical field of automation. In the flexible turning mechanism, a first V wheel and a second V wheel are connected to a sliding block through a first reverser, a third V wheel and a fourth V wheel are connected to the sliding block through a second reverser, and the first reverser can drive the first V wheel and the third V wheel to synchronously rotate around the central axis of the first reverser. The second reverser can drive the second V wheel and the fourth V wheel to synchronously rotate around the central axis of the second reverser; the first V wheel and the second V wheel are used for being matched on one side of the guide rail, the third V wheel and the fourth V wheel are used for being matched on the other side of the guide rail, the first V wheel and the third V wheel are located on the front side of the advancing direction of the sliding block, and the second V wheel and the fourth V wheel are located ...

Prefabricated box girder surface cleaning machine

The invention relates to the technical field of cleaning, and discloses a prefabricated box girder surface cleaning machine which comprises a workbench, a rotary sweeping mechanism and a scraping mechanism. The rotary sweeping mechanism comprises a first rotating shaft rotationally connected to the middle of the workbench, and a cleaning head synchronously rotating with the first rotating shaft is arranged on the side, close to the ground, of the first rotating shaft; the scraping mechanism comprises a push plate slidably connected to the end of the workbench, the middle of the push plate is slidably connected with a sliding rod, the end, away from the workbench, of the sliding rod is fixedly connected with a hanging plate, and a rotating seat is arranged on the side, away from the workbench, of the hanging plate and rotationally connected with the side, away from the ground, of a scraping plate. The cleaning machine for the surface of the prefabricated box girder can effectively clean ...

Redundant servo system based on nested screw drive

The invention discloses a redundant servo system based on nested screw drive. The redundant servo system comprises a control computer, a first redundant branch chain, a second redundant branch chain, a differential mechanism, a position feedback mechanism and an external load. The first/second redundant branch chain comprises a first/second control module, a first/second servo controller, a first/second power driver, a first/second servo motor, a first/second rotary transformer, a first/second brake, a first/second speed reducer and a first/second screw transmission mechanism; the differential mechanism is connected with an external load, and the differential mechanism directly bears the load condition and the environment condition condition introduced by the external load; and the position feedback mechanism is connected with the differential mechanism, collects motion displacement signals of the differential mechanism and feeds the motion displacement signals back to the first servo controller ...