轮滑标杆

Device that cable was laid and was retrieved in supplementary tunnel

... 本实用新型公开了一种辅助隧洞内电缆布设和回收的装置，所述装置包括位于隧洞围岩（1）内的作业台架，在所述作业台架上设置有依次电缆成卷系统和电缆架设拆除作业平台。本实用新型具有结构设计巧妙、使用方便、操作简单的优点，采用它能够快速方便的进行电缆的布设和回收，防止了安全事故的发生，同时，还防止了布设和回收过程中对电缆的损坏，节约了成本。 ...

Hydraulic support automatic control method based on coal mining machine and hydraulic support data

The invention relates to the technical field of electronics, communication and automation, in particular to a hydraulic support automatic control method based on data of a coal mining machine and a hydraulic support, which adopts a wired or wireless communication technology to realize data communication and data sharing between the coal mining machine and the hydraulic support. The hydraulic support electro-hydraulic control system can obtain state information such as the position, the movement speed, the movement direction, the cutting height and the automation state of the coal mining machine and control the hydraulic support to automatically follow the machine to move according to the state information. The coal mining machine can obtain data of the motion state, the supporting state, the supporting force, the support posture, the top plate height, the top plate angle and the bottom plate angle of the hydraulic support, the motion speed, the cutting height and the dinting amount of the ...

GESTURE CONTROL METHOD AND APPARATUS FOR UNMANNED DISTRIBUTION ROBOT, AND DEVICE AND MEDIUM

Provided are a gesture control method and apparatus for an unmanned distribution robot, and an electronic device and a readable medium, wherein same can shorten a pickup time, can improve the flexibility of a pickup process, and can avoid the defects in a verification code based pickup scheme of a verification code being lost or forgotten and a verification code input device being easily damaged due to the fact that the device is exposed outside of a vehicle body. The method comprises: recognizing a gesture of a user to generate a recognition result (S210); determining an operation mode of an unmanned distribution robot, wherein the operation mode comprises a traveling mode and a gesture-based pickup mode (S220); and when the recognition result is credible and the operation mode is the gesture-based pickup mode, the unmanned distribution robot moving to the position of the user to perform a pre-determined operation (S230).

储能柜

数据采集器

Platform truck of retrieving is dismantled to supplementary belt feeder of tunnel construction and dryer

... 本实用新型公开了一种隧道施工辅助皮带机和风筒拆卸回收的台车，所述台车包括位于隧道二次衬砌（1）内的支撑行走机构，在所述支撑行走机构上设置有框架式矩形台车，在矩形台车的上部分别设置有风筒拆除爬梯（2）和吊机装置，在所述矩形台车下部的两侧分别设置有下层作业平台，在所述矩形台车上部且位于皮带机侧设置有与矩形台车连接的皮带机拆卸作业平台和折叠式作业平台。本实用新型具有结构简单、操作方便的优点，采用它进行隧洞皮带机和风筒拆卸回收，大大提高了施工效率，机械化程度高，减少了拆除过程中小型零配件遗失，缩短了隧洞施工整体工期。 ...

Method for judging maternal source pollution proportion based on low-depth whole genome sequencing and application thereof

The invention discloses a method for judging a maternal source pollution proportion based on low-depth whole genome sequencing and application of the method. The method comprises the following steps: extracting DNA of a test sample, performing whole genome sequencing, and comparing a sequencing result to a human reference genome; and calculating the concentration h of the DNA of the offspring by using the SNP information of the autosome, wherein the pollution proportion f of the maternal source is equal to 1-h. The invention develops a simple and efficient method for judging the maternal source pollution proportion, does not need a complicated additional experimental process, has no special requirements on samples, can effectively reduce the MCC detection cost, and shortens the experimental period of genetic detection.

Application of D-psicose in preparation of glutinous rice products

The invention discloses an application of D-psicose in preparation of a glutinous rice product. Belongs to the technical field of glutinous rice products. The glutinous rice product is prepared from the following components in parts by mass: 100 to 200 parts of glutinous rice raw materials, 10 to 60 parts of D-psicose and 80 to 2000 parts of water. Compared with the prior art, the D-psicose glutinous rice product has the beneficial effects that the D-psicose is added into the glutinous rice product, so that the problems of starch aging and short shelf life of the existing glutinous rice product are solved, and meanwhile, the glutinous rice product does not contain cane sugar, has the function of improving body fat of people, and is healthier to eat under the condition of keeping the flavor of the glutinous rice product.

Orifice dust removal device and method for coal seam bedding drill hole

The invention relates to a coal seam bedding drilling orifice dust removal device and method, and belongs to the technical field of coal seam bedding drilling construction dust prevention, the orifice dust removal device comprises a telescopic dust removal device, the telescopic dust removal device comprises a flexible bag, a plurality of water sprayers are installed in the flexible bag, and the upper side and the lower side of the flexible bag are provided with an air outlet and a slag outlet respectively; an expansion assembly detachably connected with the telescopic dust removal device is arranged at the end, close to the hole opening of the drill hole, of the telescopic dust removal device and comprises a barrel with the inner diameter larger than the outer diameter of the drill rod and a bag arranged around the barrel, and an inflation inlet is formed in the bag so that fluid can be injected into the bag through the inflation inlet to achieve expansion fixing of the expansion assembly ...

储能柜（能蜂）

Dust removal system for ultrafine grinder

The utility model discloses a dust removal system for an ultrafine grinder. An air suction cover is mounted at the top of the ultrafine grinder; a first air inlet communicated with the first suction fan is formed in the middle of the first dust removal chamber, a fixed filter screen and a rotary filter screen are mounted in the first dust removal chamber above the first air inlet, and a first air outlet is formed in the side wall above the rotary filter screen; a plurality of clamping blocks for supporting are arranged below the fixed filter screen; a rotating shaft is connected to the center of the rotating filter screen and connected with the output end of a rotating motor. A dust outlet pipe is connected to the center of the bottom of the first dust chamber, and a dust storage box is arranged below the dust outlet pipe; the second dust chamber is a bag-type dust collector; a containing cavity is formed below the washing chamber, a second air inlet communicated with the bottom of the ...

COMMUNICATION METHOD AND RELATED DEVICE

Disclosed in the embodiments of the present invention are a communication method and related device, comprising: a base station receiving a query command sent by a first terminal and carrying the network ID of a second terminal; in response to the query command, querying whether the network identifier of the second terminal is present in a pre-stored terminal device information set; if so, then allocating to the first terminal and the second terminal spectrum resources for communication, generating a broadcast message, and broadcasting the broadcast message, such that, on the basis of the broadcast message, the first terminal sends over the spectrum resources to the second terminal a communication link request carrying the network identifier of the first terminal, and the first terminal establishes a communication link with the second terminal over the spectrum resources. In the embodiments of the present invention, after the base station allocates spectrum resources to the first terminal ...

Container positioning and liquid preparing system used in cooperation with mobile robot

The invention discloses a container positioning and liquid preparation system used in cooperation with a mobile robot, the container positioning and liquid preparation system comprises a positioning system and a liquid preparation system, the positioning system comprises a pressure sensor array, a signal acquisition module and a computer module, and the computer module carries a container three-dimensional library and is in communication connection with the mobile robot; the pressure sensor array comprises a plurality of pressure sensors, when a container is placed on the pressure sensor array, the pressure sensors pressed by the container are subjected to pressure, and pressure data form a pressure information matrix; the signal acquisition module is in communication connection with the pressure sensor array and is used for receiving the pressure information matrix and sending the data to the computer module; the computer module is used for receiving the pressure information matrix, converting ...

METHOD FOR ACQUIRING CELL-FREE FETAL DNA CONCENTRATION, ACQUISITION DEVICE, STORAGE MEDIUM, AND ELECTRONIC DEVICE

Disclosed are a method for acquiring a cell-free fetal DNA concentration, an acquisition device, a storage medium, and an electronic device. The method comprises: acquiring sequencing data of a sample under test, wherein the sample under test is obtained from a pregnant mother; establishing a joint probability distribution model of a maternal and fetal genotype, wherein the joint probability distribution model comprises one or more factors affecting a read heterozygosity level, and the read heterozygosity level is a ratio of the number of SNP sites covered by different bases to the total number of SNP sites in the sequencing data; and substituting values for the one or more factors and the acquired value for the heterozygosity level in the joint probability distribution model, performing maximum likelihood estimation on the joint probability distribution model, and obtaining a cell-free fetal DNA concentration. The method solves the problem of the prior art in which fetal DNA concentration ...

Circuit board and electronic equipment

The invention relates to a circuit board and electronic equipment, the circuit board is divided into a mounting area and a test area adjacent to one side of the mounting area, and the circuit board comprises a first circuit layer, an insulating layer and a second circuit layer which are stacked in sequence in the thickness direction of the circuit board; wherein the first circuit layer comprises a connecting wire, and the connecting wire extends from the mounting area to the test area; the second circuit layer comprises a mounting bonding pad located in the mounting area and a testing bonding pad located in the testing area, and the testing bonding pad is connected to the connecting wire through a via hole and is connected to the mounting bonding pad through the connecting wire. According to the circuit board, the test bonding pad is connected to the installation bonding pad located in the installation area through the connection wire, electric signals on the installation bonding pad are ...

LIGHT BOARD STRUCTURE AND LIGHT FIXTURE HAVING SAME

A light board structure comprises a board body (10), a wireless transceiver module (20) and a light emitting member (30). The wireless transceiver module (20) and the light emitting member (30) are both mounted on the board body (10). The wireless transceiver module (20) has a feeder (21) and a ground wire (22). An avoidance area (11) is provided on the board body (10), runs through the board body (10), and avoids the wireless transceiver module (20) and the light emitting member (30). The feeder (21) and the ground wire (22) are both positioned on a side of the avoidance area (11). The avoidance area (11) is used for emitting a radio wave and is able to solve the technical problem in the related art of short communication distance of a light board structure. A light fixture having the same comprises a mounting cavity (41). The avoidance area (11) of the light board structure matches an inner wall of the mounting cavity (41) to form an avoidance channel.

D2D COMMUNICATION-BASED EARLY WARNING METHOD AND RELATED DEVICE

Disclosed are a D2D communication-based early warning method and a related device. The method comprises: an early warning device transmits a D2D communication request, thus triggering the base station to assign a D2D communication channel to the early warning device in response to the D2D communication request; the early warning device monitors whether or not there is a D2D communication connection request transmitted by another device via the D2D communication channel; and if yes, then the early warning device establishes a D2D communication connection with the other device, where the other device is a device other than the early warning device among devices residing in a serving cell covered by the base station; and the early warning device transmits early warning information to the other device via the D2D communication channel. Implementation of embodiments of the present invention allows the transmission of the early warning information in a timely manner.

PROTECTIVE SHELL, MOTOR ASSEMBLY, ARM ASSEMBLY AND UNMANNED AERIAL VEHICLE

Provided are a protective shell (500), a motor assembly, an arm assembly and an unmanned aerial vehicle (100), wherein, the protective shell (500) is used to protect a motor (300), comprising: a buffer (510) for absorbing shock or vibration, which is sleeved outside a motor mount (400), and is detachably connected to the motor mount (400); a support frame (530) for supporting the buffer (510), which is sleeved on one side of the buffer (510) away from the motor mount (400); a receiving structure (520) surrounded by the buffer (510), which is used to receive the motor mount (400); the protective shell (500), the motor assembly, the arm assembly and the unmanned aerial vehicle (100) can improve the reliability of the operation of the motor and extend the service life of the motor.

SOWING MACHINE AND AGRICULTURAL UNMANNED VEHICLE

The present invention provides a sowing machine. The sowing machine comprises: a motor (11), a speed reduction mechanism (13), a mixing mechanism (14), and a material spreading mechanism (15). The mixing mechanism (14) is provided at a material outlet disposed above the material spreading mechanism (15) and is used for mixing a material. The speed reduction mechanism (13) comprises: an input end, a first output shaft (131), and a second output shaft (132). The input end is connected to an output shaft of the motor (11) so that the output shaft of the motor (11) drives the input end to rotate. The first output shaft (131) is fixed to the mixing mechanism (14) and is used for driving the mixing mechanism (14) to rotate at a first rotational speed. The second output shaft (132) is fixed to the material spreading mechanism (15) and is used for driving the material spreading mechanism (15) to rotate at a second rotational speed. The sowing machine (10) uses the speed reduction mechanism (13) ...

Cable conveying device for power supply company

The invention relates to the technical field of power supply, and particularly discloses a cable conveying device for a power supply company, which comprises a bottom table, a fixing frame is fixedly connected to the top of the bottom table, an extension table is fixedly connected to the outer wall of one end of the bottom table, and a mounting frame is fixedly connected to the top of one end of the extension table and close to the edge. A cleaning assembly is arranged on the outer wall of one side of the mounting frame, a rotating shaft is rotatably mounted on the inner side of the fixing frame, one end of the rotating shaft penetrates through the outer side of the fixing frame, a driving assembly is arranged at the end, chucks are slidably mounted on the outer sides of the two ends of the rotating shaft, and friction assemblies are arranged on the inner sides of the two chucks; the cable conveying device can assist workers in use during cable conveying, the labor intensity is relieved ...

Method and system for establishing integrated three-dimensional well logging interpretation and evaluation chart

The invention discloses a method and a system for establishing an integrated three-dimensional well logging interpretation and evaluation chart. The method comprises the following steps: acquiring oil field well logging data; the method comprises the following steps: reading logging data points of a 100% water-containing reservoir through data, and fitting a resistivity plane of the 100% water-containing reservoir; establishing a resistivity plane of which the water saturation is K by utilizing the resistivity plane of the 100% water-containing reservoir; and completing the establishment of an integrated three-dimensional logging interpretation and evaluation chart by using the resistivity plane of the 100% water-containing reservoir and the resistivity plane with the water saturation of K. According to the method, a multi-information comprehensive integrated three-dimensional well logging interpretation and evaluation chart is established on the basis of researching well logging response ...

SURFACE IONIZATION DETECTOR

A surface ionization detector comprises an emitter, a heating rod, a collecting electrode, a diameter-changing connecting lining tube and a house. The emitter is made of molybdenum, platinum or alloy, and winds cylindrically or spirally. The heating rod heats and supports the metal emitter. When the emitter is heated to 300-500℃, organic amine compounds collide with the surface of the emitter, positive ions are produced through surface ionization and thus detected. The lowest detecting limit value of tertiary amine could achieve to 10-14g/s. The response to other hydrocarbons and ketones is 5-6 orders of magnitude lower than organic amines. The detector could selectively detect amines, hydrazines and derivatives and thereof, and so on. The detector could be used as a detector for a gas chromatography system such as capillary tube and packed column, and alternatively could be solely used as a sensor.

ELECTRONIC GOVERNOR, AND UNMANNED AERIAL VEHICLE

An electronic governor (100), and unmanned aerial vehicle (200). The electronic governor (100) comprises an electronic governor board (1) and an electronic governor unit connected to the electronic governor board (1). The electronic governor board (1) is provided with solder pads (11). The electronic governor (100) further comprises at least one wire securing assembly (2) detachably mounted on the electronic governor board (1) to detachably and electrically connect a wire (3) of the electronic governor (100) to the electronic governor board (1). The present invention enables fast disassembly, assembly, and replacement of a motor, a wire (3), etc.

重质芳烃催化脱烷基催化剂及制备方法

A catalyst for catalytic dealkylation of heavy arylhydrocarbon contains the metal in VIII family and composite carrier including ZSM-5 zeolite, beta-zeolite and alumina. It can increase the transformrate of C9 acrylhydrocarbon and output rate of xylene, and decrease carbon deposit.

Material automatic weighing system of casing

... 本实用新型公开一种物料自动称重装箱系统，多个辊道输送机装在计量装置的下方的架体上，举升输送机设置在处于计量装置正下方的辊道输送机下方，自动封箱机设置在远离定量皮带机的架体一侧，滑箱平台连接在自动封箱机的一侧；防尘罩装在导向仓上部，导向仓下部分别与左称重料斗上部和右称重料斗上部连接，负压装料仓设置在左称重料斗下部和右称重料斗下部；所述的气动分料板设置在导向仓内并通过气缸Ⅰ控制其转动，左放料翻板设置在负压装料仓与左称重料斗连接处并通过气缸Ⅱ控制其开合，右放料翻板设置在负压装料仓与右称重料斗连接处并通过气缸Ⅲ控制其开合。可自动称量物料，整个装箱过程无需停机操作可持续工作，可有效延长设备的使用寿命。 ...

Preparation method of zinc sulfide modified titanium dioxide pigment

The invention relates to a preparation method of a zinc sulfide modified titanium dioxide pigment. The method comprises the following steps: pulping a titanium dioxide primary product by adopting a chlorination method to prepare slurry; heating the slurry to 50-80 DEG C, keeping the temperature until coating is finished, adding a water-soluble zinc salt solution and a water-soluble sulfide solution within 2-4 hours, controlling the pH value of the slurry to be 2-5.4 by using an inorganic acid solution or an inorganic alkali solution, and curing to form a zinc sulfide film on the surface of titanium dioxide; and adjusting the final pH value of the slurry to 7.0-7.5, curing for 1-2 hours, filtering and washing with deionized water, drying, and carrying out gas powder treatment to obtain the product. The titanium dioxide pigment prepared by the method has the advantages that the titanium dioxide pigment has excellent covering power, whiteness, tinting strength, weather resistance and the like ...

Special master batch for PE white film and preparation method thereof

The invention discloses a special master batch for a PE white film and a preparation method thereof, and belongs to the technical field of high polymer materials. The product comprises the following components in parts by weight: 10-15 parts of LDPE (Low-Density Polyethylene), 9-14 parts of LLDPE (Linear Low-Density Polyethylene), 70-75 parts of titanium dioxide, 1-4 parts of PE (Polyethylene) wax, 0.5-3 parts of a lubricant, 0.2-2 parts of an anti-yellowing agent, 0.1-1 part of an antioxidant and 0.2-1 part of an ultraviolet light absorber. And the anti-yellowing agent is pentaerythritol tetra (3-lauryl thiopropionic acid) ester. According to the product, the specific matrix resin is matched with the auxiliary agent to load the titanium dioxide pigment, so that the product is high in whiteness, good in dispersity, excellent in yellowing resistance and long in service life, and is very suitable for preparing the PE white film.

PROTECTIVE SHELL, POWER DEVICE AND UNMANNED AERIAL VEHICLE

Disclosed in the present invention are a protective shell, a power device and an unmanned aerial vehicle. The protective shell (400) is used to protect a motor (200) of the unmanned aerial vehicle, and the protective shell (400) comprises a protective member (410) used for covering an upper end surface of the motor (200), a fixing portion (420) provided on the protective member (410) and used for being detachably connected to the motor (200), a shaft hole (430) opened on the protective member (410) and used for cooperating with a drive shaft (211) of the motor (200), a penetrating portion (440) provided on the protective member (410) and used for being penetrated by locking members (600) so as to fix a propeller (300) and the motor (200) of the unmanned aerial vehicle (100), and a plurality of heat dissipating teeth (450), wherein the plurality of heat dissipating teeth (450) are arranged at intervals at one side of the protective member (410) and extend from one side of the protective ...

Preparation method of high-conductivity synthetic leather

The invention relates to the technical field of synthetic leather, and particularly discloses a preparation method of high-conductivity synthetic leather, and the preparation method comprises the following steps: S1, blade-coating release paper with a conductive coating B, drying, coating the conductive coating B with a solvent-free foaming layer C, pre-drying, laminating with a fabric layer D, drying, curing, and separating from the release paper to obtain a bottom blank; s2, coating the conductive coating B on the surface of the bottom blank with a water-based conductive treatment layer A, and drying to obtain the high-conductivity synthetic leather sequentially comprising A-B-C-D layers from top to bottom; the preparation method is simple, the preparation condition is mild, and the obtained synthetic leather has good touch feeling and softness and excellent wear resistance and durability; meanwhile, the composite material is low in resistivity, stable in conductivity and high in conductivity ...

Gold nanocluster organic framework and preparation method and application thereof

The invention belongs to the field of new nano material technology and tumor treatment, and relates to a gold nanocluster organic framework as well as a preparation method and application thereof. The invention particularly relates to construction of a gold nanocluster organic framework and application of the gold nanocluster organic framework in tumor treatment. Due to the stabilizing effect of the TEPP ligand, the optical performance and the structural stability of the AuNC organic framework AuNCOF prepared by the method are remarkably improved; the photocatalytic activity for generating singlet oxygen (1O2) is obviously improved, and PDT for tumors has a better treatment effect; according to the prepared AuNC organic framework AuNCOF, the construction method of AuNC assembly is expanded, the AuNCOF is successfully applied to killing of tumor cells, the development potential of the AuNCOF is shown, and an important step is made for further developing an AuNC-based functional nano material ...

CTDNA-BASED GENE DETECTION METHOD AND APPARATUS, STORAGE MEDIUM, AND COMPUTER SYSTEM

A ctDNA-based gene detection method and apparatus, a storage medium, and a computer system. The detection method comprises: acquiring sequencing data of ctDNA of a sample to be tested; comparing the sequencing data with a reference genome and retaining compared data that meets preset conditions; analyzing the compared data according to at least one of the following parameters and determining a result corresponding to the ctDNA: a mutation error spectrum and CNV characteristics of the comparison data, wherein the mutation error spectrum is obtained by calculating the abundance of each type of mutation errors after classifying the mutation errors, and the mutation errors refer to bases inconsistent with the base of the reference genome. The present detection method uses conventional NGS low-depth sequencing data to achieve the detection of ctDNA gene mutations without adding any additional experiments and sequencing costs.

Hydraulic system and hydraulic control method

The invention provides a hydraulic system and a hydraulic control method, the hydraulic system comprises a first variable displacement piston pump and a second variable displacement piston pump, the first variable displacement piston pump is driven by a first driving part, and the second variable displacement piston pump is driven by a second driving part; the driving motor is used for driving the centrifugal pump, the first variable displacement piston pump and the second variable displacement piston pump are both connected with the driving motor, and output oil of the first variable displacement piston pump and/or output oil of the second variable displacement piston pump are/is used for driving the driving motor to operate; wherein the hydraulic system has different displacement operation states, and the working condition of the first variable displacement piston pump and the working condition of the second variable displacement piston pump are controlled according to the displacement ...

CONNECTOR, POWER SYSTEMS AND UNMANNED AERIAL VEHICLE

Provided is a connector (30) for electrically connecting a motor (10) and an electronic governor (20), the connector (30) includes a conductive member (31) and a package body (32), the conductive member (31) is electrically connected to one end of a three-phase wire (400), the other end of the three-phase wire (400) is electrically connected to the motor (10), the package body (32) is formed with a first surface (321) and a second surface (322) opposite to each other, a connection portion (323) is formed on the first surface (321), the conductive member (31) is packaged in the package body (32) and at least partially exposed from the connection portion (323), to allow a fastener (500) to be mounted on the connecting portion (323) and to be electrically connected with the conductive member (31) and the electronic governor (20). Since the connection portion (323) is formed on the first surface (321), and only when the user mounts the fastener (500) on the connecting portion (323), the conductive ...

Production method for improving jet flow property of special titanium dioxide powder for plastic profiles

The invention relates to a production method for improving the jet flow property of special titanium dioxide powder for a plastic profile. The production method comprises the following steps: 1) washing, filtering and flashing titanium dioxide slurry subjected to inorganic coating; (2) carrying out gas powder treatment on the titanium dioxide subjected to flash evaporation, and adding amino silane which is 3-aminopropyl trimethoxy silane, 3-aminopropyl triethoxy silane, 3-aminopropyl methyl dimethoxy silane or 3-aminopropyl methyl diethoxy silane at a position close to an upper cover of a jet mill; 3) adding silicone oil into a pipeline between the jet mill and the gas-powder bag filter, wherein the silicone oil is methyl silicone oil, ethyl silicone oil, methyl ethyoxyl silicone oil or methyl vinyl silicone oil; and 4) after entering a gas-powder bag filter, feeding into a finished product bin for packaging. According to the method, the compatibility of the titanium dioxide and the plastic ...

Elasticity cylindric lock assembly fixture

... 本实用新型提供了弹性圆柱销装配工装，包括本体和相对于本体上下导向移动的顶针，本体上设有与顶针轴线重合的用于装入弹性圆柱销的工作腔，本体上还设有与工作腔连通的用于储纳多个弹性圆柱销的储纳仓，储纳仓具有与工作腔连通并供单个弹性圆柱销通过的储纳仓出口，储纳仓内设有顶推块，本体上还有用于提供给顶推块弹性力并使其将储纳仓中的弹性圆柱销由储纳仓出口逐个推入工作腔内的顶推弹簧。本实用新型的弹性圆柱销装配工装使用方便，能够实现连续装配，同时也不易砸伤人手，提高了安全性。 ...

BIOLOGICAL EPOXY ASPHALT AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

Disclosed by the present invention is a biological epoxy asphalt, comprising a component A, a component B and a component C. The component A includes epoxidized soybean oil and a diluent, the component B includes a curing agent, an accelerant and a defoaming agent, and the component C includes asphalt. The mass ratio of the component A to the component B is (105~126) : 45, and the mass ratio of the sum of the component A and the component B to the component C is 100 : (57~520). Compared with the prior art, the biological epoxy asphalt disclosed by the present invention can be used to replace the traditional petroleum asphalt; by utilizing the materials such as epoxidized soybean oil and biological curing agent, the cost is remarkably lowered, and the thermoplastic property of the traditional asphalt material can be effectively improved, so that the biological epoxy asphalt has excellent high-and-low temperature performance and anti-aging property and can be widely applied to the pavements ...

甲苯择形歧化与烷基转移的组合工艺

The combined technological process of shape-selective disproportionating and transalkylating toluene to prepare xylene includes the steps of separating toluene material into two parts; mixing one part of toluene and matter with rich C9 arene content and transalkylation in the first reaction area under hydrogenating condition; the shape-selective disproportionating of the other part of toluene in the second reaction area under hydrogenating condition; mixing the products from these two reaction areas and separate benzene, toluene, xylene, C9 arene and C10+ arene; exhausting benzene, xylene and C10+ arene while reusing toluene and C9 arene. The said process can solve the problem of toluene and C9 arene unbalance and raise the yield of xylene especially p-xylene.

Marketized transaction settlement method for energy storage system

The invention discloses a marketization transaction settlement method for an energy storage system, which comprises user settlement, electric quantity settlement, electricity price settlement and proportion settlement, and the policy factors of electricity price settlement comprise different electricity consumption types, different seasons, different time periods and different temperature conditions. The settlement electric quantity depends on the number of energy storage devices participating in settlement and the metering relation between the devices; the method comprises the following steps: defining the following hash points: an electricity price instance which is represented by PI and represents an electricity price identity, such as one-class industrial electricity consumption in Hangzhou City of Zhejiang Province and 110 kilovolt-grade electricity purchasing price, and PI1-PIi represent electricity price instances 1-i; the real-time electricity price is represented by SP and represents ...

Fishhook capable of preventing piercing and fish escaping

The fishhook comprises a tail section, a middle section and a head section which are integrally formed, the tail section is in a linear shape, the head section is in a linear shape or in an arc shape with the end inclining towards the tail section, the middle section is in an arc shape, and the two ends of the middle section are smoothly connected to the end of the tail section and the end of the head section respectively. The length direction of the head section is parallel to the length direction of the tail section, an anti-running section is arranged at the end part of the head section, the anti-running section is in a conical shape with a small outer part and a large inner part, and the end part of the anti-running section is inclined towards one side far away from the tail section. The invention aims to solve or at least alleviate the problem that an existing fishhook is easy to punch through and escape fish, and provides the fishhook capable of preventing punch through and escape ...

Brassiere with chest cup regulatory function

... 本实用新型涉及的一种带有胸杯调节功能的胸罩，包括罩体、罩杯和带体，所述罩杯设置在罩体的前部，带体的两端分别与罩杯的上端和罩体的后部相连接，包括穿带孔和穿带，所述穿带孔为两竖排分别设置在罩体上两个罩杯的内侧边缘上，所述穿带交错穿装在两排穿带孔上；所述穿带孔和穿带的内侧设置有内衬，所述衬面两侧与罩杯相连；两排穿带孔的个数相等，分别为5个-8个；通过本技术方案，在两个胸杯之间设置调节功能，不但可以有效的，更准确的调节胸罩所对应人体两个乳房之间的距离，达到佩戴舒适的效果，并且可以在不同相邻型号的罩杯之间调节，达到凸现乳沟的效果。 ...

Weeding composition and application thereof

The invention discloses a weeding composition and application thereof, and relates to the field of pesticides, the weeding composition comprises the following raw materials by weight: 5-60% of propanil, 1-40% of triclopyr, 0.1-22% of picloram, 3-15% of a dispersant, 2-10% of a wetting agent, 10-40% of a disintegrating agent, and the balance of a filler. According to the water dispersible granule of the ternary compound composition disclosed by the invention, the problems of disintegration and suspension after heat storage can be finally solved by screening the proper dispersing agent, wetting agent and filler, and the prepared water dispersible granule has the characteristics of fast disintegration, good dispersity, high suspension rate and good stability, and is more beneficial to exertion of pesticide effect.

Application of TXNRD1 gene methylation level detection in endometrial cancer diagnosis and/or screening

The invention generally relates to the technical field of molecular biological detection, in particular to application of TXNRD1 gene methylation level detection in endometrial cancer diagnosis and/or screening. The invention provides a kit for diagnosing and/or screening endometrial cancer by taking cervical exfoliated cells as a detection sample and application of the kit, and the kit can be used for diagnosing and/or screening endometrial cancer by taking a TXNRD1 gene as a target spot and detecting methylation of the TXNRD1 gene. A cervix swab sample can be sampled in an outpatient service, invasive sampling is not needed, patient acceptability is higher, and the method has the advantages of being high in detection speed, higher in sensitivity and specificity and the like, enables primary screening work of the endometrial cancer to be more convenient and popularized, and has important significance on early diagnosis and early treatment of the endometrial cancer.

Cable cleaning device and using method thereof

The invention discloses a cable cleaning device and a using method thereof, and belongs to the technical field of cable cleaning devices. Comprising a treatment box, a to-be-cleaned cable is arranged in the middle of the treatment box, a cleaning head is arranged on the inner wall of the treatment box, a water tank is fixedly arranged on the surface of the treatment box and communicates with the cleaning head through a pump body, and a cleaning channel is fixedly arranged in the treatment box through a fixing block and comprises a first pipeline and a second pipeline; and the first pipeline is fixedly arranged in the treatment box through a fixing block. The first pipeline is rotationally connected through the rotating assembly, the second pipeline reciprocates through movement driving, the conveying assembly is arranged on one side of the processing box and used for conveying a to-be-cleaned cable, and the first pipeline is rotated through the rotating assembly, so that circumferential ...

Preparation method of low-cost aqueous zinc-sulfur battery positive electrode material

The invention discloses a preparation method of a low-cost aqueous zinc-sulfur battery positive electrode material, which is specifically implemented according to the following steps: step 1, weighing coal pitch powder and potassium carbonate according to a mass ratio of 1: (1-3), and fully grinding and uniformly mixing the coal pitch powder and the potassium carbonate at room temperature; step 2, calcining the product obtained in the step 1 for the first time, and after the reaction is finished, naturally cooling to room temperature; step 3, soaking the product obtained in the step 2 in hydrochloric acid, standing, then centrifuging, washing until the filtrate is neutral, and finally drying; 4, calcining the product obtained in the step 3 for the second time; step 5, uniformly mixing the product obtained in the step 2 and industrial sulfur powder according to the mass percent of 40-85%, and then reacting the mixture in a high-pressure reaction kettle under the protection of nitrogen; and ...

Flexible circuit board and electronic device

The invention discloses a flexible circuit board and an electronic device, the flexible circuit board comprises a substrate and a conductive circuit layer, the substrate comprises a heat dissipation core layer and a base layer material wrapping the heat dissipation core layer, and the conductive circuit layer is at least arranged on one side of the substrate. In this way, the heat dissipation efficiency of the flexible circuit board can be improved.

TIP REGULATION CONTROL METHOD FOR INCREASING MINIMUM CLEARANCE FOR LARGE-SCALE WIND POWERED POWER-GENERATION UNIT

Disclosed is a tip regulation control method for increasing minimum clearance for a large-scale wind powered power-generation unit. On the basis of traditional control strategies, a power tip regulation is added, and when the power reaches a certain limit, pitch varying is started in advance, thrust is reduced and minimum clearance is increased. The method control is simple and highly efficient, the effect of minimum clearance increase is marked, loss of generated electricity is very low, and the unit overrun and stopping due to a gust of wind near rated wind speed can also be reduced while increasing the minimum clearance.

TERMINAL AND ANTENNA SWITCHING METHOD THEREFOR

A terminal and an antenna switching method therefor. The terminal is configured with a first antenna and a second antenna, the first antenna being applicable to receive and transmit signals in a free space, and the second antenna being applicable to receive and transmit signals when being close to a human body; and the terminal uses the first antenna by default. The method comprises: detecting data of a trajectory through which a terminal passes when the terminal moves to a position that is at a target distance from a human body in real time; determining whether the target distance is less than or equal to a preset distance; if so, determining whether there is characteristic data matching the data of the trajectory which the terminal passes in a pre-stored characteristic data set; and if there is characteristic data, switching the first antenna to the second antenna.

Pollen collecting and taking equipment

According to the technical scheme, the pollen collecting and taking equipment is characterized by comprising a containing plate, a supporting rod is arranged on one side of the containing plate, and a mounting plate is fixedly connected to the top face of the supporting rod; the mounting hole is formed in the top surface of the mounting plate, a collecting hopper is fixedly connected to the interior of the mounting hole, and two straps are fixedly connected to one side of the placing plate; the storage assembly is arranged on one side of the placement plate; the fixing assembly is arranged on one side of the containing plate and used for fixing the supporting rod, the supporting rod is movably arranged in the fixing hole in a sleeved mode so that the supporting rod can move in the fixing hole, the height of the collecting hopper can be conveniently adjusted in the later period, and therefore different kinds of corn pollen can be conveniently and rapidly collected in the later period; and ...

High-uniformity nano dispersion strengthened copper and preparation method thereof

The invention relates to high-uniformity nano dispersion strengthened copper and a preparation method thereof.The preparation method comprises the steps that metal with the activity higher than that of copper is screened to serve as a dispersion strengthening phase, and metal salt is prepared into a nano metal particle stock solution through a liquid phase reduction technology; a copper salt solution is added into the nano metal particles, the surfaces of the nano metal particles are evenly coated with copper through a replacement reduction reaction, then the nano metal particles are washed to be neutral and dried in sequence, and copper-coated nano particle composite powder is obtained; and then a proper amount of pure copper powder is matched, and after pressing and reduction sintering treatment, the high-uniformity nano dispersion strengthened copper composite material is obtained. According to the preparation method, dispersion strengthening phase particles are prevented from being ...

ELECTRONIC SPEED CONTROLLER, POWER DEVICE, AND UNMANNED AERIAL VEHICLE

An electronic speed controller, a power device, and an unmanned aerial vehicle. The electronic speed controller is mounted on the outside of an arm, and comprises a first housing (611), a second housing (612), a circuit board (620), a first connector (630), a second connector (670), a first fastener (641), a second fastener (642) and a first waterproof assembly (650). The first housing (611) is detachably connected to the second housing (612) to form, in an enclosed manner, an accommodating space for accommodating the circuit board (620), and the first waterproof assembly (650) is used to seal a gap at the joint between the first housing (611) and the first fastener (641). Internal components of the electronic speed controller can be repaired quickly, improving the repairing operability and efficiency.

A pipeline coupling device with a sealing ring

... 一种带有密封圈的管道连接装置，包括连接管和套设在连接管两端的管接头，管接头包括带有弹性的小套圈和大套圈，小套圈呈圆环状，大套圈呈椭圆环状，小套圈和大套圈同轴设置，且小套圈的两侧通过弹片与大套圈的长轴的两端分别相连；小套圈套设在连接管上并通过固定装置固定，固定装置包括小套圈内端面上的一圈轴向缺口和连接管上的一圈凸头，凸头插入缺口内并将小套圈的外端面抵紧在第一环状凸缘上，第一环状凸缘设置在连接管上连接管的两端设有密封圈。小套圈上设有2个对称的缺口，连接管上设有2个对称的凸头，密封圈设置在连接管上的环槽内。 ...

Air supply system in large and long tunnels hole of supplementary construction of many inclined shafts

... 本实用新型公开了一种多斜井辅助施工的长大隧道洞内供风系统，包括隧道（1），隧道（1）的一端为施工作业面（2），在所述隧道（1）内设置有相邻的隧道斜井A（3）和隧道斜井B（4），所述隧道（1）内且靠施工作业面（2）设置有高压供气系统和新鲜空气供气系统，在所述高压供气系统和新鲜空气供气系统的供气端设置有用于隔离隧道斜井A（3）和隧道斜井B（4）连通通道的风门（5）。本实用新型具有结构简单、工作可靠的优点，采用它缩短了长大隧道的通风距离，不但能够有效的对高压设备和施工人员进行高压气体和新鲜空气的供给，同时，还大大节约了施工费用，降低了维修难度。 ...

Preparation method and application of manganese-based material doped with different ions

The invention discloses an electrode material with phase change caused by doping of different ions. The electrode material is specifically implemented according to the following steps: weighing (NH4) 2SO4, (NH4) 2S2O8, MnSO4 and an Al < 3 + > compound or a Ce < 3 + > compound or an Ag < + > compound or a Co < 2 + > compound according to a molar ratio of 2: 1: 1: (0.1-0.3); the preparation method comprises the following steps: dissolving weighed (NH4) 2SO4, (NH4) 2S2O8 and MnSO4 in deionized water, and uniformly stirring to obtain a mixed solution A; adding the weighed Al < 3 + > compound or Ce < 3 + > compound or Ag < + > compound or Co < 2 + > compound into the mixed solution A, and uniformly stirring to obtain a mixed solution B; and transferring the mixed solution B into a stainless steel high-pressure kettle with a polytetrafluoroethylene lining, reacting for 8-12 hours at 140-200 DEG C, after the stainless steel high-pressure kettle is naturally cooled to room temperature, washing ...

MOTOR MOUNT, MOTOR ASSEMBLY, ARM ASSEMBLY, AND UNMANNED AERIAL VEHICLE

A motor mount (400), a motor assembly, an arm assembly, and an unmanned aerial vehicle (100). The motor mount is used for connecting a motor (500) and an arm (300) of the unmanned aerial vehicle, and comprises: a mounting structure (410) having a bearing part (411) and a mounting part (412) provided on the bearing part, the mounting part being detachably connected to the motor; a connection structure (420), the upper end of the connection structure being connected to the mounting structure; and a clamping structure (430), the clamping structure being a non-closed annular structure connected to the lower end of the connection structure and being used for clamping the arm.

STRIPPING APPARATUS AND DISPLAY SUBSTRATE PRODUCTION LINE

A stripping apparatus and a display substrate production line. The stripping apparatus comprises a stripping chamber (1) and a liquid stripper in the stripping chamber (1) for providing a set temperature. The stripping apparatus further comprises a liquid-jet cutter mechanism (2) which comprises a liquid supply conduit (21) and a liquid-jet cutting head (22); the liquid supply conduit (21) is used to supply a cleaning fluid to the liquid-jet cutting head (22), the liquid-jet cutting head (22) is used to output the cleaning fluid, the liquid supply conduit (21) is disposed in the stripping chamber (1), and the liquid stripper is able to make the cleaning fluid in the liquid supply conduit (21) reach the set temperature. The stripping apparatus enables the cleaning fluid to reach a set temperature, thereby effectively removing the liquid stripper and photoresist left on a display substrate, preventing precipitation of the liquid stripper on the display substrate, and further preventing the ...

Device for reducing shaft diameter induction quenching deformation of open hollow shaft sleeve

A device for reducing shaft diameter induction quenching deformation of an open hollow shaft sleeve relates to the technical field of open hollow shaft sleeves and comprises a shaft sleeve, a base, an upper pulling plate, a lower pulling plate and a support plate, the base is arranged on the lower surface of the shaft sleeve, the shaft sleeve and the base share the same central axis, the shaft sleeve and the base are of an integrated structure, and the upper pulling plate is arranged above the shaft sleeve. The upper pulling plate is connected with the shaft sleeve through a bolt, the supporting plate is arranged on the side face of the shaft sleeve, and the lower pulling plate is arranged below the base and connected with the base through a bolt. The upper pulling plate and the lower pulling plate are arranged on the shaft sleeve, so that deformation caused by induction quenching is reduced conveniently; by arranging the supporting plate, necking caused by induction quenching is avoided ...

Eye movement tracking system and method based on bulbar conjunctiva blood vessel image recognition

The invention relates to the field of intelligent recognition, and particularly discloses an eye movement tracking system and method based on bulbar conjunctiva blood vessel image recognition. According to the method, difference feature distribution information about bulbar conjunctiva vessel features in a first bulbar conjunctiva vessel image and a second bulbar conjunctiva vessel image is mined by adopting a neural network model based on deep learning, so that more accurate eyeball tracking is carried out.

Broadband matching circuit, signal processing circuit and broadband post-matching circuit

The invention provides a broadband matching circuit, a signal processing circuit and a broadband post-matching circuit. The broadband matching circuit comprises an input end, an output end, one or more connecting line circuits and one or more branch circuits, wherein the one or more connecting line circuits are connected in series between the input end and the output end, and the branch circuit is connected in parallel to one end of the connecting line circuit; any connecting line circuit adopts a step-shaped structure, any branch circuit adopts a step-shaped structure, and the step-shaped structure comprises two sections of transmission lines.

Harvester with lodging corn supporting function

The invention relates to the technical field of harvesters, and provides a harvester with a lodging corn supporting function, which can be used for supporting lodging corn on the basis of ensuring corn harvesting, ensuring normal harvesting of the lodging corn, reducing the occurrence of missing harvesting of the corn and reducing agricultural loss. The corn harvester comprises a vehicle body and a header, and further comprises two lifting units, the two lifting units respectively comprise a left inclined frame and a right inclined frame, the left inclined frame and the right inclined frame are both fixedly connected with the header, and the left inclined frame and the right inclined frame are fixedly connected with the header. A left stepped annular groove and a right stepped annular groove are formed in the opposite ends of the left inclined frame and the right inclined frame correspondingly, a left installation chain and a right installation chain are installed in the left stepped annular ...

Omnibearing plant display platform for landscape design

The invention discloses a landscape design plant omnibearing display platform, and relates to the field of landscape design, the landscape design plant omnibearing display platform comprises a bottom box, the top end of the bottom box is connected with a stand column, the top end of the stand column is fixedly connected with a top seat, the outer side of the top seat is provided with a water spraying illumination assembly, and the outer side of the stand column is provided with a rotary display assembly; the stand column is provided with a lifting driving assembly connected with the rotary display assembly. The rotary display assembly comprises a driving bottom cover, and a lower driving motor is coaxially and fixedly arranged in the driving bottom cover, landscape design plants can be rotationally displayed by arranging the rotary display assembly, lifting of the landscape plants can be achieved by arranging the lifting driving assembly, and therefore multi-directional display of the landscape ...

Speech emotion recognition system based on mixed entropy downsampling and integrated classifier

The invention discloses a speech emotion recognition system based on mixed entropy downsampling and an integrated classifier, and the system comprises the following steps: in a preprocessing stage, dividing a speech signal of training data into segments, extracting a speech spectrogram, training a base classifier by using the speech spectrogram, and obtaining the depth feature and confidence of each speech segment; in the training stage, mixed entropies of all voice segments are calculated, and the weighted sum of the mixed entropies and the confidence degree serves as a ranking value; thirdly, the spectrograms of the voice segments with the ranking values larger than a set threshold value are used for retraining a base classifier, the ranking values of all the voice segments are calculated again, the base classifiers are trained, the operation is cycled by a given round, and the base classifiers trained in each round form an integrated classifier; and finally, testing speech segments, ...

Immersed liquid cooling equipment

The invention discloses immersed liquid cooling equipment, and belongs to the technical field of liquid cooling equipment, the immersed liquid cooling equipment comprises a cooling box body, the cooling box body is provided with a cooling cavity, and the bottom of the cooling box body is provided with a plurality of first liquid inlets arranged at intervals along a preset direction; the partition assembly comprises a plurality of partition plates which are arranged at intervals in the preset direction, each partition plate is vertically fixed in the cooling box body, at least part of the cooling cavity is divided into a plurality of cooling sub-cavities by the partition plates, and the cooling sub-cavities communicate with the first liquid inlets in a one-to-one correspondence mode; and the liquid separation assembly comprises a liquid separation shell and a plurality of liquid separation pipes, one ends of the liquid separation pipes communicate with the liquid separation shell, the liquid ...

High-capacity hydrogen storage alloy design method based on machine learning

The invention discloses a design method of a high-capacity hydrogen storage alloy. The method specifically comprises the steps of data acquisition, data preprocessing, data set division, prediction model establishment, optimal prediction model determination and alloy component design. By comparing multiple machine learning algorithms and selecting and determining the optimal prediction model, compared with an alloy component design method of a single prediction model, high-precision prediction of the hydrogen storage capacity of the hydrogen storage alloy can be further improved, and the efficiency is higher than that of a traditional empirical criterion method and a linear fitting method. The Xgboost algorithm is adopted as a fitness function, the average fitness function value and the maximum fitness function value of a population are both converged, the relative error between the obtained actual hydrogen storage amount and the predicted hydrogen storage amount is as low as 0.54% through ...

Device of lining cutting platform truck is walked in step to cable in supplementary hole

... 本实用新型公开了一种辅助洞内线缆同步穿行衬砌台车的装置，包括衬砌台车（1），在所述衬砌台车（1）下部设置有台车驱动机构，在所述衬砌台车（1）台架内且与洞内线缆相同架设高度设置有作业平台（2），在所述作业平台（2）下端面设置有链条轨道机构，所述链条轨道机构与所述台车驱动机构连接。本实用新型具有结构设计巧妙、使用方便、安全性高的优点，采用它能够快速、安全的将线缆进行穿行，防止了线缆的损坏，提高了施工的安全性。 ...

COILED CORE FOR PRODUCTION OF FLEXIBLE COMPOSITE INSULATION MATERIAL

Disclosed is a coiled core for production of a flexible composite insulation material. The coiled core comprises a coiled core outer tube (10) and coiled core inner tubes (20) arranged at an inner side of the coiled core outer tube (10), wherein two coiled core inner tubes (20) are provided, and the two coiled core inner tubes (20) are consistent in specification and are symmetrically distributed at two ends of the inner side of the coiled core outer tube (10); outer side walls of the coiled core inner tubes (20) are closely attached to an inner side wall of the coiled core outer tube (10), and the coiled core inner tubes (20) can retract inwards along the coiled core outer tube (10), thus forming the coiled core with a flexibly adjustable side wall thickness; and the coiled core is made of an aluminium alloy material. The coiled core has a simple structure and is convenient to use, the side wall thickness of the coiled core is flexibly adjustable, and the coiled core can be more conveniently ...

SINGLE BOARD COMMUNICATION SYSTEM AND COMMUNICATION METHOD THEREOF

Disclosed are a single board communication system and a communication method thereof. The system comprises a first single board, a second single board, a first programmable device located on the first single board, and a second programmable device located on the second single board, wherein the first programmable device is configured to receive a first signal from the first single board, convert the first signal into a first serial signal and send the first serial signal; the second programmable device is configured to receive the first serial signal from the first programmable device, convert the first serial signal into a second signal and send the second signal to the second single board. The present invention enables various signals to be sent with only one signal line, so as to reduce the number of signal lines and the cost of the single board communication system.

Alternating current power supply under-voltage switching circuit

The invention relates to the technical field of power supply protection, in particular to an alternating current power supply undervoltage switching circuit, which is characterized in that a voltage mutual inductance sampling circuit reduces input voltage and inputs the voltage to a voltage follower and window differential amplification circuit for amplification, and amplified sinusoidal signals are amplified by the differential amplification circuit and then input to a rectification filter circuit; the hysteresis comparison circuit is used for comparing the direct current signal after the rectification filter circuit with a reference signal, and inputting a comparison result signal to the control switching circuit; an input voltage is compared with a voltage threshold value of the control switching circuit, the control circuit is switched on, stable working voltage is provided for the subsequent voltage conversion circuit, a reference signal is connected with one output end of the voltage ...

Regulating valve opening degree detection method, system, equipment and medium

The invention discloses a method, system and equipment for detecting the opening degree of a regulating valve and a medium, and relates to the technical field of regulating valve detection.The method comprises the steps that the regulating valve is initialized at preset intervals so as to determine the relation between the rotation angle and the pulse number of the regulating valve, the relation is corrected according to the difference value between the relation and the historical relation, and the opening degree of the regulating valve is detected. Obtaining a target relationship; and the pulse number of the regulating valve in the working state is obtained, and whether the regulating valve is abnormal or not is judged according to the pulse number and the target relation. According to the invention, the relation between the rotation angle and the pulse in each preset period can be corrected, the corrected relation is used as a calibration relation, the opening degree of the regulating ...

High tension cable oversheath error detection simulation teching device

... 种高压电缆外护套故障查找模拟教学装置，其特征在于，采用在环氧树脂板(9)上搭建模拟教学平台，在环氧树脂板(9)上两端分别设有4个接线端子(1)，每端的3个接线端子(1)分别连接线盘A(2)、线盘B(2)、线盘C(2)，每线盘(2)经绑扎带(7)固定在环氧树脂板(9)上等。实用新型的有益效果是:1)高压电缆外护套故障查找模拟教学装置－室内试验完成可行；2)高压电缆外护套故障查找模拟教学装置的通用性、全面性、可行性－现场故障模拟教学验证、改进、优化。 ...

Waste collecting device for automobile part stamping die

The invention discloses an automobile part stamping die waste collecting device, and relates to the technical field of waste collection, the automobile part stamping die waste collecting device comprises a die machining table, an arc-shaped material guide cover is fixed on a moving frame, a collecting box is fixed on the arc-shaped material guide cover, a middle brush roller is coaxially fixed on a rotating shaft, a sliding brush sleeve is slidably mounted on the middle brush roller, and the sliding brush sleeve is provided with a sliding brush. A sliding brush sleeve is arranged on the middle brush roller, a connecting transmission assembly is arranged between the sliding brush sleeve and the middle brush roller, and a side scraper is fixed to the sliding sleeve block, the middle brush roller is driven through rotation of the arranged rotating shaft, and the middle brush roller drives the sliding brush sleeve to rotate at the same time through the connecting transmission assembly; metal ...

MINIATURE HYDROGEN FLAME IONIZATION DETECTOR

A miniature hydrogen flame ionization detector includes a four-way (101) and a nozzle unit. Left and right ports of the four-way are respectively an air inlet (105) and an outlet of a signal wire (104) for leading-out the micro-current. A metal collector (103) is fixed in a longitudinal hole of the four-way by a high temperature resistant insulating sleeve A (102), and its upper end fits closely within the interior wall of the high temperature resistant insulating sleeve A, and its lower end suspends in the lower port on the longitudinal direction of the four-way, so air flows downwards through the gap between the metal collector and the wall of the longitudinal hole of the four-way, and enters a combustion chamber. The lower end of the four-way is connected to a two-way (301) by a bushing (201) fixedly, and the nozzle (401) is connected to an end of a guiding pipe (402) fixedly, and the polarization voltage is inducted to the nozzle by the guiding pipe, and the guiding pipe is mounted ...

POWER DEVICE AND UNMANNED AERIAL VEHICLE

Disclosed are a power device and an unmanned aerial vehicle. The power device is used for providing power for an aerial vehicle, and comprises: a propeller (100); an electric motor (200) that is provided with a mounting part (221) and is transmittingly connected with the propeller (100); a fitting structure (300) that penetrates through the mounting part (221); and a fastening member (400) that penetrates through the propeller (100) and is connected with the fitting structure (300), so that the propeller (100) is fixed on the electric motor (200). The mounting part (221) is in interference fit with the fitting structure (300). The power device and the unmanned aerial vehicle provided by the present invention are aimed at improving the clamping stability of the blades (110) and the electric motor (200), and improving the stability of the operation of the electric motor.

SWINGING SENSING DEVICE

A swinging sensing device comprises a primary bracket (1), a rotary shaft (2), rollers (3), magnets (4), and a magnetic induction sensor (5). The primary bracket (1) is swingably connected to the rotary shaft (2), two ends of the primary bracket (1) are each provided with the roller (3) and the magnet (4), the rollers (3) and the magnets (4) at the two ends are symmetrical in position with respect to the rotary shaft (2), and the magnetic induction sensor (5) is provided at a position on the periphery of the primary bracket (1), wherein at the position, the magnetic induction sensor (5) can sense that the magnet (4) at any end swings with the primary bracket (1). The swinging sensing device is wear-resistant, corrosion-resistant, and can self-clean.

Pesticide sterilization wettable powder as well as preparation method and application thereof

The invention discloses pesticide bactericidal wettable powder and a preparation method and application thereof, and relates to the field of pesticides, the pesticide bactericidal wettable powder comprises the following raw materials by weight: 10-60% of chlorothalonil, 1-10% of tebuconazole, 1-10% of picoxystrobin, 1-15% of a dispersant, 1-10% of a wetting agent, 1-20% of a stabilizer, and 20-80% of a filler. The prevention and treatment effect of the wettable powder in prevention and treatment of grape downy mildew and wheat powdery mildew reaches 90% or above, the auxiliary agent formula not only can guarantee physical stability, but also has an obvious synergistic interaction effect with effective components of pesticide, the usage amount of the pesticide is reduced, and the pesticide effect is improved.

Strong desliming sieve moves tailing flotation chute

... 本实用新型公开了种强脱泥筛动尾矿浮选溜槽，包括箱体、底板、浮选筛和调控电机，箱体侧壁上均匀设有四个浮选筛，转轴在浮选筛旋转，转轴上的扰动轴上设有扰流刷，箱体侧壁下端连接有进水管和下层出液管，进水管上分别安装有控制阀和单向阀，伸入箱体内的进水管上均匀开设有多个出水孔，箱体的侧壁下端连接有进料斗和下料管，进料斗下料管和上都安装有挡料板，挡料板与箱体的侧壁上的气动阀连接，箱体顶端连接有带振动柱的过滤箱。本实用新型浮选溜槽结构合理，分选效果好，通过多层浮选筛对矿浆进行分级筛选，再通过扰流刷对矿浆进行有效的扰流激荡，增加矿浆的混流度，对矿浆进行有效的分离，提高产品收率，能有效除去矿浆中的泥沙。 ...

Transfer bracket for circular workpieces

The invention discloses a transfer bracket for circular workpieces. The transfer bracket for the circular workpieces comprises a bottom support and three stand columns, wherein the three stand columns are correspondingly provided with a plurality of brackets arranged at intervals along the axis; the corresponding three brackets are matched to form a placement plane; the bracket on at least one stand column is a movable bracket; each movable bracket can be connected onto the corresponding stand column in a sleeved mode in a circumferential rotating mode; the positions, corresponding to the lower parts of the movable brackets, of the stand columns are provided with locking pieces; the lower ends of the movable brackets are provided with locking openings locked with the locking pieces in an embedded mode; and the movable brackets can slide upwards along the stand columns, so that the locking openings and the locking pieces can be separated and unlocked. The transfer bracket for the circular ...

Emulsion in water containing acetamiprid and lambda-cyhalothrin and preparation method thereof

The invention discloses an emulsion in water containing acetamiprid and lambda-cyhalothrin and a preparation method of the emulsion in water. The emulsion in water is prepared from the following components in parts by weight: 10-100g/L of an active component, 60-120g/L of an emulsifier, 100-200g/L of a solvent, 50-150g/L of a cosolvent, 1-10g/L of a thickening agent, 0.5-2g/L of a defoaming agent, 3-10g/L of an anti-freezing agent, 1-2g/L of a pH regulator, 1-2g/L of a preservative and the balance of water, wherein the mass ratio of the acetamiprid to the lambda-cyhalothrin is (1-20): 1. The emulsion in water disclosed by the invention has strong long-term stability, can tolerate a high-low temperature interval from 0 DEG C to 54 DEG C, effectively reduces or solves the influence of environmental change on the stability of a dosage form in a transportation process, reduces or avoids the product quality problems of dosage form layering or sedimentation, flocculation, coalescence, crystal ...

α-MANGOSTIN DERIVATIVE AND PREPARATION METHOD AND APPLICATION THEREOF

The present invention provides an α-mangostin derivative having a structure of general formula I, a preparation method thereof, and an application of the same in preparing a drug for treating a brain injury caused by ischemia, such as vascular dementia and cerebral infarction. The vascular dementia is learning and memory impairment induced by a vascular disease or brain ischemia or cell loss in the dentate gyrus of the hippocampus.

Method and device for evaluating all-year hour operation of source network load storage project planning

The invention discloses a method and a device for evaluating all-year hour operation of source network load storage project planning, and according to the characteristics of wind power, photovoltaic, energy storage, power grid and load combined operation, the charging and discharging plan of an energy storage device in each time period is considered in the operation process of a source network load storage project. In order to minimize the sum of the annual electricity purchasing cost, the energy storage device loss cost and the equipment operation and maintenance cost, and consider the electric power balance constraint, the operation constraint of wind power, photovoltaic, power grid and energy storage equipment, the charge rate constraint of energy storage and the like, the invention provides a source grid load storage annual 8760-hour operation simulation method based on a particle swarm algorithm. And finally, the economic indexes of the source network load storage in any time period ...

Composite expanding and toughening cement paste system and preparation method thereof

The invention provides a composite expanding and toughening cement paste system. The composite expanding and toughening cement paste system comprises the following components in parts by weight: 100 parts of cement, 3-6 parts of a composite expanding and toughening agent, 1.2-2.5 parts of a fluid loss agent, 0.2-0.5 part of a dispersing agent, 0.2-0.5 part of a defoaming agent and 43-50 parts of water, the composite expansion toughening agent comprises the following components: 8-15 parts of anhydrous sodium sulphate; 18 to 35 parts of soluble fiber; 33 to 45 parts of semi-hydrated gypsum; and 20 to 25 parts of micro silicon. The composite expanding and toughening cement paste system provided by the invention can effectively increase the expansion rate of set cement and improve the toughness of the set cement; the prepared composite expansion toughening agent can change cement hydration products, reduce the contractility of set cement and reduce the elastic modulus and Poisson's ratio of ...

Genetic algorithm for wide-angle coupling structure, application and microstructure optical probe

The invention discloses a genetic algorithm and application for a wide-angle coupling structure and a microstructure optical probe, and the algorithm comprises the steps: S1, taking the height H, the period lambda, the grating width w, the grating material refractive index ng and the incident angle theta in a grating structure as variables, and taking the mean square error of the grating coupling efficiency eta and a target value eta initial as a fitness function; and changing the numerical value of the target diffraction order a (+ 1) and the coupling efficiency eta of the optical probe through different combinations of the parameters of each grating structure, and outputting the optimized grating structure through the steps S1-S8. According to the genetic algorithm for the wide-angle coupling structure, the application and the microstructure optical probe, the fitness function related to the diffraction order working efficiency is set according to various factors and requirements such ...

DEVICE AND METHOD FOR REALIZING SWITCH BETWEEN ACTIVE AND STANDBY SERVICES

A device and a method for realizing the switch between active and standby services are disclosed, for a communication apparatus with an active master control board and a standby master control board, when the filtered active signal obtained by sampling and filtering the active signal of the active master control board is invalid, and if the active signal of the active master control board become invalid from validness at the arrival time of the last sampling period, the control signal of the active master control board is determined to be invalid, and the control signal of the standby master control board is forced to be valid, and the standby master control board is used as the active master control board. The method can realize the rapid switch of service data and management data, decrease the switch time for switch the active and standby services to be nanosecond level, reduce the error and loss of the service data and management data during the switch process, and improve the stability ...

Water storage tank with frequency modulation function

The invention provides a water storage tank with a frequency modulation function, and relates to the technical field of water storage tanks, the water storage tank comprises a water storage tank body and a condensation water system, the water storage tank body is communicated with the condensation water system, a hot water layer, a thermocline layer and a cold water layer are sequentially arranged in the water storage tank body from top to bottom, and a heat accumulator is arranged above the hot water layer; an upper mixing mechanism and a lower mixing mechanism are arranged in the water storage tank body, the upper mixing mechanism and the lower mixing mechanism are the same in structure and are symmetrically arranged up and down, the upper mixing mechanism and the lower mixing mechanism are respectively arranged at the upper part and the lower part in the water storage tank body, and the upper mixing mechanism comprises a driving shaft, a temperature suspension ball and a motor; the upper ...

Electric power communication maintenance management system

The invention provides an electric power communication maintenance management system, and relates to the field of electric power communication maintenance management. The electric power communication maintenance management system comprises an electric power maintenance monitoring system, the electric power maintenance monitoring system comprises a main server, the main server is connected with an identity verification module, an online monitoring module and an online communication module, and the identity verification module is connected with an exception handling module. The on-line monitoring module is connected with an abnormity alarm module and a data synchronization module, the abnormity alarm module is connected with an abnormity processing module, the abnormity processing module is connected with the on-line monitoring module, and the data synchronization module is connected with a main server. Maintenance personnel can be assisted in maintaining a main server and an electric power ...

Text clustering method based on decision grey wolf optimization K-Means

The invention relates to a text clustering method based on decision grey wolf optimization K-Means. The method comprises the steps of obtaining to-be-clustered text data, carrying out word segmentation, stop word removal, feature selection and vectorization on the to-be-clustered text data, converting the to-be-clustered text data into numerical data, obtaining an original data set, finding out a group of optimal clustering centers by adopting a text clustering algorithm combining a decision grey wolf optimization algorithm and a K-Means algorithm, and carrying out clustering on the optimal clustering centers. Enabling the distances from all texts in each category to the optimal clustering center of the group to be minimum, clustering the original data set according to the optimal clustering center of the group, and outputting a clustering result. Therefore, a text clustering algorithm combining a grey wolf optimization algorithm and a K-Means algorithm can be decided to perform global ...

Display module and preparation method thereof

The invention provides a display module and a preparation method thereof. The display module comprises a display panel and a touch panel arranged on the light emitting side of the display panel. The touch panel can comprise a substrate, a touch function layer and an anti-reflection layer. The touch function layer comprises a plurality of touch units and is located on the side, away from the display panel, of the substrate. The anti-reflection layer is located on the side, close to the display panel, of the substrate base plate and comprises a polarization layer which is arranged on the side, facing the display panel, of the substrate base plate and comprises a wire grid polarization layer; and the optical compensation layer is arranged on one side, facing the display panel, of the polarization layer and has/4 phase compensation. According to the design, the overall design thickness of the display module can be reduced, and lightening and thinning of the display module are facilitated.

Closed-loop control pressure swing adsorption device

The utility model relates to the technical field of pressure swing adsorption equipment, in particular to a closed-loop control pressure swing adsorption device which comprises a control system, and the control system is connected with one or more of an air inlet pressure detection device, an air compressor current detection device and an air compressor operation signal detection device through electric signals. The control system is connected with the actuator through electric signals. According to the pressure swing adsorption device, synchronous operation with an air compressor system and air supply of an air source is achieved through various feedback signals, continuous operation of the pressure swing adsorption device is avoided, the service life of the pressure swing adsorption device is prolonged, and when the operation frequency of the air compressor is 1 hour and the operation frequency of the air compressor is 1 hour, the pressure swing adsorption device operates synchronously ...

Vehicle ad hoc networks's point -to -point wireless communication device

... 本实用新型提供一种车辆自组织网络的点对点无线通讯装置，所述无线通讯装置包括MCU模块、WIFI模块和输入与输出模块，所述MCU模块包括控制单元、命令读取单元和信息反馈单元，所述控制单元通过信息反馈单元连接命令读取单元，所述命令读取单元和控制单元均同时连接输入输出模块和WIFI模块，本实用新型可以使调整WIFI模块的发射功率有效通讯覆盖范围达到300至500米，同时10HZ的频率能够保证数据传输延时在100ms左右，保证了系统的反应速度，提高了安全性，道路拥堵或者发生事故时，前方的车辆，可以通过输入输出模块向通讯设备输入警示信息发送出去，后方车辆接收到信息后提前进行判断，做出相应决策。 ...

Preparation method of pineapple jam

The invention relates to the technical field of jam preparation, and discloses a pineapple jam preparation method, which comprises: S1, raw material screening and color protection treatment: selecting green and cooked pineapples, carrying out immersion cleaning with a sterilization liquid, and carrying out treatment with a color protection liquid; s2, softening treatment: boiling with hot water to soften; s2, grinding treatment: grinding diced pineapples into thick liquid, and carrying out filtering separation and adsorption treatment; s3, auxiliary material blending treatment: heating the slurry, and adding a mixed sugar acidulant, a thickening agent and a preservative; s4, vacuum concentration treatment: heating and concentrating by adopting steam in a vacuum pot; s5, canning and sealing treatment: putting into a glass bottle, and sealing with a cover; and S6, sterilization and cooling treatment: sterilizing in a high-temperature sterilization pot, and performing graded cooling. The pineapple ...

Automatic assembly equipment for joint sleeve on joint lock

The invention discloses an automatic assembly device for joint sleeves on joint locks, which comprises a base, the base is provided with a feeding device, a blanking device and an assembly device, the feeding device comprises at least one joint sleeve feeding part, the feeding part is provided with a conveyor belt, the conveyor belt extends to the blanking device, and the assembly device is connected with the blanking device. The discharging device comprises a vertical discharging channel and an arc-shaped discharging channel connected with the assembling device, the assembling device comprises an assembling channel connected with the arc-shaped discharging channel, and a detachable pin inserting piece is arranged at the tail of the assembling channel. According to the automatic assembling device, the automation degree of the joint lock during production and assembling is improved, manual assembling is reduced, the production efficiency is improved, and meanwhile the manual labor is reduced ...

Super-large-specification high-temperature alloy and preparation method thereof

The invention discloses a super-large-specification high-temperature alloy and a preparation method thereof.The method comprises the following steps that 1, the carbon content, the oxygen content and the calcium content in a consumable ingot are controlled, an electrode E1 is obtained through vacuum induction pouring, and the electrode E1 is subjected to hot delivery and annealing; step 2, perforating the electrode E1 by using a molybdenum plug to obtain a hollow electrode E2, and after the hollow electrode E2 is turned to remove a surface oxide layer and flattened, selecting an auxiliary electrode to perform out-of-furnace welding; 3, the crystallizer and the hollow electrode E2 are hoisted to stations, and after the circulating water flow, the pipeline flow, the in-furnace vacuum degree and the air leakage rate of the crystallizer are adjusted, a compressed helium pipeline is opened to empty air in a capillary pipeline, and the in-furnace pressure is increased to 50-150 pa; 4, vacuum ...

Crushing mechanism for ultrafine crusher

The crushing mechanism comprises a crushing box body arranged on a bottom plate of a rack, a feeding port is formed in a top cover of the crushing box body, a rotating motor is arranged in the center of a top plate of the rack, the output end of the rotating motor is connected with a rotating shaft, and a discharging port is formed in the top plate of the rack. The rotating shaft is connected with a top plate of the rack through a bearing, the other end of the rotating shaft penetrates through a top cover of the crushing box body and is fixedly connected with the outer edge of an eccentric disc in the crushing box body, a fixing disc matched with the eccentric disc is arranged below the eccentric disc, and the fixing disc is fixed to the side wall of the crushing box body through a connecting block; a material collector fixedly connected with the side wall of the crushing box body is arranged below the fixed disc, the outer diameter of the top of the material collector is larger than that ...

Preparation method of 3-methylamino-1-(2-thienyl)-1-acetone hydrochloride

The invention discloses a preparation method of 3-methylamino-1-(2-thienyl)-1-acetone hydrochloride, which comprises the following steps: under a microwave condition, taking 2-acetylthiophene as an initial raw material, and carrying out Mannich reaction on the 2-acetylthiophene, paraformaldehyde and dimethylamine hydrochloride in an isopropanol solution to obtain 3-dimethylamino-1-(2-thienyl)-1-acetone hydrochloride; the preparation method comprises the following steps: putting 3-dimethylamino-1-(2-thienyl)-1-acetone hydrochloride into an aqueous solution of methylamine hydrochloride under a microwave condition, and reacting to obtain the target product 3-methylamino-1-(2-thienyl)-1-acetone hydrochloride. The preparation method has the advantages of short reaction time, high yield and easy product refining, and accords with the green chemical characteristics.

Intelligent factory management system

The utility model discloses an intelligent factory management system which comprises a production monitoring module, an output end of the production monitoring module is connected with a production control module, and an output end of the production control module is connected with a production quality module. Wherein the production monitoring module comprises a real-time monitoring unit, an alarm unit, an SPCF analysis unit, a process analysis unit and an electronic display board, the intelligent factory management system relates to the technical field of intelligent factories, and the intelligent factory management system realizes conversion from centralized control to distributed enhanced control basic modes under the original automation technology and framework. According to the technical scheme, the communication of the equipment from the sensor to the Internet can be in seamless connection, so that a highly flexible, personalized and digital production mode is established, the production ...

Retreatment method and preparation method of electrical steel

The invention relates to the technical field of ferrous metallurgy, in particular to a retreatment method and a preparation method of electrical steel. The retreatment method comprises the following steps: normalizing original electrical strip steel under the condition of a set temperature; under the condition of set power, shot blasting is conducted on the normalized electrical strip steel; and the electrical strip steel obtained after shot blasting is subjected to acid pickling, the acid pickling temperature and the flow of an acid pickling solution are controlled, and qualified electrical steel is obtained. The technical problem that the surface quality of existing electrical steel does not conform to the magnetic performance and the mechanical performance after degradation repair and does not conform to waste judgment is solved.

重质芳烃轻质化催化剂及制备方法

A catalyst for lightening the heavy arylhydrocarbon contains the metal in VIII family and composite carrier including ZSM-5 zeolite, mordenite and alumina. It can increase the transform rate of C9 aryhydrocarbon and output rate of xylene, and decrease the carbon deposit.

Kiln cleaning machine

The invention discloses a kiln cleaning machine which comprises a guide accelerating pipe, one end of the guide accelerating pipe is provided with a kiln door connecting assembly in butt joint with a kiln door, and the other end of the guide accelerating pipe is provided with a high-pressure air supply assembly, a filling assembly and a filling support assembly which are connected with the guide accelerating pipe. According to the device, the lead column is placed through the filling assembly, the lead column is guided to the accelerating pipe through the high-pressure air supply assembly to be injected into the kiln door, so that coke in the kiln head is cleaned, compared with manual coke cleaning, formed rings can be cleaned under the condition of normal calcining of the kiln, the influence on calcining is very small, the cleaning efficiency is high, and the production period of the rotary kiln is prolonged.

Suspending agent containing sulfentrazone and pyroxasulfone and preparation method thereof

The invention provides a suspending agent containing sulfentrazone and pyroxasulfone. The suspending agent comprises an active component, a wetting dispersant, a thickening agent, a defoaming agent, an anti-freezing agent and a preservative, the active ingredients are sulfentrazone and pyroxasulfone; the mass ratio of sulfentrazone to pyroxasulfone is lower than 5: 1. According to the invention, the content of the sulfentrazone-pyroxasulfone suspending agent can exceed 30%, so that the dosage and the application frequency can be reduced. Meanwhile, by optimizing the auxiliaries, the stability of the product is improved, the product can tolerate the high and low temperature interval of-15 DEG C to 65 DEG C, the influence of environmental change in the transportation process is effectively solved, and the product quality problems of caking, creaming, large particle size and bleeding are avoided. And meanwhile, the method can tolerate different water qualities such as C water, D water, 3WHO ...

Preparation method of special titanium dioxide pigment for glass fiber reinforced nylon

The invention relates to a preparation method of a special titanium dioxide pigment for glass fiber reinforced nylon, which comprises the following steps: pulping a rutile titanium dioxide primary product, heating to 70-80 DEG C, and maintaining the temperature in the whole coating process; adjusting the pH value of the titanium dioxide slurry to 4-5.4 by using an inorganic acid or inorganic alkali solution; adding a water-soluble zinc salt solution and a water-soluble organic sulfide solution within a certain period of time, keeping the pH value at 4-5.4 by using an inorganic acid or inorganic alkali solution, and curing; then washing with water until the conductivity of a filter cake is greater than 15000 omega.cm, and then carrying out drying and steam powder treatment to prepare the special titanium dioxide pigment for the glass fiber reinforced modified plastic. The method has the advantages of simple process and easy operation; the prepared special titanium dioxide pigment for the ...