组织活检旋切仪

New energy battery transportation protection frame

The invention discloses a new energy battery transportation protection frame which comprises a frame mechanism which comprises a bottom plate, a protection frame located on the surface of the bottom plate, a connecting column located on the inner side of the protection frame, a first convex column located on the outer side of the bottom plate, a tension spring located on the outer side of the first convex column and a placement plate located on the inner side of the protection frame. The clamping mechanism comprises a clamping rod located on the outer side of the connecting column, and a second convex column is arranged at the bottom of the clamping rod; the control mechanism comprises a rotary table located on the upper portion of the bottom plate, and an abutting rod is arranged on the outer side of the rotary table. According to the invention, the bearing plates are arranged in a unilateral locking manner, that is, the clamping rods can be retracted only by simultaneously pressing the ...

Cable anti -theft alarm system

... 本实用新型公开了种电缆防盗报警系统，其在供电线路上靠近供电设备和用电设备处分别串联接入所述供电端报警模块和用电端报警模块。其中，所述供电端报警模块和用电端报警模块包含电缆检测板。通过电缆检测板可检测出断缆(短路或开路)的位置。本实用新型通过原点发送高压脉冲波到电缆上，当脉冲波遇到断点或短路点时，会产生回波，回波以近光速反射回原点，原点高速测量到此回波后计算发射与回波的时间差，从而得到断缆的距离。巡查人员可使用交通工具及时到达现场，或者得到报警信息后，启动断缆位置附近的报警器，阻止盗缆行为的发生，此方案是为解决低压主干电缆的高频率丢失的问题而专门设计的，有很强的实用性。 ...

Collagen peptide with anti-wrinkle function

The invention provides a collagen peptide with an anti-wrinkle function, which belongs to the technical field of medical biological materials and is formed by compounding I-type collagen, III-type collagen and VII-type collagen, the ratio of the type I collagen to the type III collagen to the type VII collagen in parts by weight is (99.00 to 90): (0.05 to 9.95): (0.05 to 9.95). The invention discloses a collagen peptide with an anti-wrinkle function, which is prepared by the following steps: mixing and homogenizing I-type collagen gel, III-type collagen gel and VII-type collagen gel obtained by tissue extraction according to a certain proportion, performing low-temperature enzymolysis process, pre-freezing, freeze-drying and crushing at low temperature; the collagen components are selected from multi-component collagen materials with different types and different contents, so that the characteristics of each collagen component can be fully exerted, the skin aging is delayed, and the skin ...

SALICYLIC ACID BERBERINE-TYPE ALKALOID QUATERNARY AMMONIUM COMPOUND AND USE THEREOF FOR PREPARING MEDICINES

Disclosed in the present invention are a salicylic acid berberine-type alkaloid quaternary ammonium compound as shown in general formula (I), a preparation method therefor, solubility characteristics, a pharmaceutical composition and an application thereof in the preparation of medicinal products. The salicylic acid berberine-type alkaloid quaternary ammonium compound as shown in general formula (I) may be prepared by an organic synthesis method, and shows obvious solubility of alcohol-water mixed solvents. The compound may be conveniently prepared on a large scale, and has significant anti-ulcerative colitis activity, with non-toxic or low toxicity characteristics. The compound may be used to prepare products for preventing, relieving and/or treating ulcerative colitis.

Preparation method of low-immunogenicity collagen micro powder

The invention provides a preparation method of low-immunogenicity collagen micro-powder, and belongs to the technical field of medical biomaterials.The preparation method comprises the steps that collagen sponge extracted through an acid enzyme method is dissolved in ionic liquid according to a certain proportion, then the solution is dropwise added into a precipitator to obtain regenerated collagen micro-powder, after centrifugal washing, the regenerated collagen micro-powder is subjected to cross-linking treatment, and the low-immunogenicity collagen micro-powder is obtained; centrifuging, washing, freeze-drying and screening to obtain collagen micro powder; according to the collagen micro powder skin filling material obtained by the invention, the immunogenicity reaction of the terminal peptide antibody, the helical region antibody and the central region antibody is effectively reduced, and the triple helical structure and the biological activity of collagen are maintained.

CEP ENGINE-BASED SUBSTATION OPERATION MONITORING SIGNAL NORMALIZATION PROCESSING METHOD

Provided is a CEP engine-based substation operation monitoring signal normalization processing method. The method comprises the following steps: (1) reading operation monitoring signal data to a local memory; (2) acquiring rule base data; (3) configuring the number of partitions, and equally partitioning the operation monitoring signal data according to the number of records; (4) calling an algorithm base, and using multiple threads to perform normalization processing on the operation monitoring signal data in different memory areas; and (5) performing normalized outputting on the processed data. In the present invention, based on a CEP engine, by using a pluggable rule base and an algorithm base, the accuracy of a processing result is guaranteed; and by using a multi-thread technique in a CEP core processing part, data processing efficiency is greatly improved.

ACTIVE POWER DISTRIBUTION NETWORK MULTI-TIME SCALE COORDINATED OPTIMIZATION SCHEDULING METHOD AND STORAGE MEDIUM

An active power distribution network multi-time scale coordinated optimization scheduling method and storage medium. The method comprises the following steps: performing long-time scale optimization scheduling of an active power distribution network; performing short-time scale rolling optimization scheduling on the basis of MPC of the active power distribution network according to an optimization result of the long-time scale optimization scheduling of the active power distribution network. By using a model prediction control method, taking the long-time scale optimization scheduling result as a reference, and performing short-time scale rolling correction, the optimization scheduling of the active power distribution network is achieved, thereby reducing unfavorable influences of prediction precision of a distributed power supply and a low-voltage load on the optimization scheduling.

DEVICE AND METHOD FOR FORMING ARTIFICIAL VISION BY ELECTRICAL STIMULATION

A device for forming artificial vision by electrical stimulation includes: an image acquisition unit (1) used to acquire an image; a signal conversion unit (2) used to convert the image acquired by the image acquisition unit (1) into an electrical stimulation signal; a signal transmission unit (3) used to send the electrical stimulation signal on to an electrical stimulation array (4); and the electrical stimulation array (4) used to electrically stimulate a cornea, a sclera and/or an eyelid in contact with the electrical stimulation array (4) by using the electrical stimulation signal so as to form an electrical stimulation image on the cornea, the sclera and/or the eyelid. The device buries or attaches a flexible electrode array into or on to a contact lens, a user can perceive the electrical stimulation image on the cornea by directly wearing the contact lens, and the artificial vision is formed.

Hydrophobic needle essence and preparation method thereof

The invention provides a hydro-optical injection essence and a preparation method thereof, and belongs to the technical field of medical cosmetology, and the hydro-optical injection essence comprises mixed collagen polypeptide, an osmotic pressure regulator, an anti-allergy agent, an antioxidant and a pH regulator. The water-light needle essence provided by the invention can quickly permeate into a skin basal layer, and has a lasting moisturizing effect; the repairing peptide component is added, so that the effects of filling and stimulating local collagen hyperplasia and improving epidermis relax can be achieved in skin tissues, and the repairing peptide is particularly suitable for water-light injection of superficial dermis to fill shallower wrinkles and canthus fine wrinkles and can also be used for filling deeper wrinkles and recesses through injection of deep dermis and subcutaneous tissues. The water-light needle essence is used for skin superficial layer water-light injection to ...

Deep-sea fish collagen extraction and fishy smell removal method

The invention provides a deep-sea fish collagen extraction and deodorization method, which belongs to the technical field of marine bioengineering, and comprises the following steps: raw material pretreatment, urease deodorization, deep-sea fish collagen extraction, activated carbon secondary decoloration and deodorization, and deep-sea fish collagen purification. The invention discloses a deep-sea fish collagen extraction and deodorization method, which comprises the following steps: selecting a fresh deep-sea fish source material as a raw material, crushing, carrying out degreasing and impurity protein removal treatment by using ethanol and deionized water, carrying out primary deodorization treatment by using urease, cleaning, and extracting deep-sea fish source collagen by using an acid solution of pepsase. And carrying out secondary decoloration and deodorization treatment on the enzymatic hydrolysate by using activated carbon, carrying out low-temperature high-speed centrifugation ...

External hanging type cable arranging frame

The invention discloses an externally-hung cable arranging frame which comprises a bottom plate, the left side of the bottom plate is connected with a left supporting plate through a left rotating shaft, the right side of the bottom plate is connected with a right supporting plate through a right rotating shaft, and on the bottom plate, the left supporting plate rotates along the left rotating shaft, and the right supporting plate rotates along the right rotating shaft. The left supporting plate and the right supporting plate are provided with binding points and screw holes used for connecting an optical fiber junction box. The wire arrangement frame can be flexibly installed on an optical fiber distribution box (distribution frame) and is convenient to disassemble. The wire arrangement frame is suitable for various wiring scenes, various optical fiber distribution boxes (distribution frames), copper cable distribution frames and other devices.

Method for physically removing bovine cancellous bone fat

The invention provides a method for removing bovine cancellous bone fat in a physical mode. The method comprises the steps that soft tissue on the surface of a bovine cancellous bone is cut off; cutting the bovine cancellous bone into bone slices; cleaning the bone pieces by using a high-pressure water gun or a high-pressure cleaning machine; cutting the cleaned bone slices into blocks, or crushing the cleaned bone slices into particles or powder by using a crusher; and the blocky, granular or powdery bovine cancellous bone is oscillated and cleaned. According to the method, a loose macroporous structure in the bovine cancellous bone is utilized, the bovine cancellous bone is cut into thin bone pieces, the bovine cancellous bone is cleaned by a high-pressure water gun or a high-pressure cleaning machine, then the bovine cancellous bone is processed into blocks, particles or powder, and vibration cleaning is carried out, so that the fat content of the bovine cancellous bone is reduced to ...

Novel blue carbon boiler of low -nitrogen combustion

... 本实用新型公开了种新型低氮燃烧兰碳锅炉，包括锅筒、炉膛、布料装置以及设于炉膛底部的排料装置，炉膛为内保温结构护板构成的绝热炉膛，炉膛上端设有物料进口，物料进口处设有布料装置，炉膛下端设有物料出口，物料出口处设有刮料器，炉膛由上至下依次设有过热器、蒸发器、省煤器和软水加热器，炉膛上端设有排气口，所述排气口通过导气管与设于侧的废气处理装置相连，导气管外还设有换热装置。本实用新型的排气口通过导气管与废气处理装置相连，导气管上设有换热装置，节能环保，有效利用了废气中的余热，节约物料成本。 ...

Novel separation method of milk exosome

The invention provides a novel separation method of milk exosomes, and belongs to the technical field of biological material separation.The novel separation method comprises the following steps that precipitation treatment is conducted on fresh milk through a precipitator, casein in cow milk protein is removed, and precipitates and intermediates are obtained; treating the intermediate by using a direct-current dielectrophoresis particle separation device to realize separation of specific charge particles and obtain a concentrated solution; and diluting the concentrated solution, and removing impure protein in the concentrated solution by using a tangential flow separation device to obtain the pure milk exosome. According to the combined method, casein is removed in the precipitation process, cell fragments and part of impure protein are removed through dielectrophoresis, and impure protein is secondarily removed through tangential flow separation; time consumption is short, and a conventional ...

Injectable skin filler

The invention provides an injectable skin filler, which belongs to the technical field of medical biological materials and comprises cross-linked collagen particles, medical polyester particles, an osmotic pressure regulator and pharmaceutic adjuvants. The mass ratio of the collagen particles to the medical polyester particles to the osmotic pressure regulator to the pharmaceutic adjuvants is (0.5-2): (0-2): (1-4): (0-0.05). The invention aims to prepare the injectable skin filler, so that the growth promotion performance of the current injectable skin filler is further improved, and the injectable skin filler has a wider application range. And according to filling parts and different types, the formula of the material can be changed, the filling effect and the medical beauty quality are promoted, the filling retention time is prolonged, and the use frequency of a patient is reduced.

HYDROPHILIC BERBERINE-TYPE DERIVATIVE AND APPLICATION THEREOF IN PREPARING DRUG

An 8-dihalomethyl berberine-type quaternary ammonium salt compound represented by general formula (I) or (II) and an application thereof in preparing a drug. The compound shows hydrophilicity and has antimicrobial, anti-inflammatory, anti-ulcerative colitis, and antitumor activities while having no or low toxicity.

Internal medicine is with nursing cabinet

... 本实用新型公开了一种内科用护理柜，包括柜体，柜体的内部设有两个隔板，隔板把柜体分割成三个独立的储药柜，每个储药柜的内部均设有防潮装置和杀菌装置，柜体的底端设有计时器和蓄电池，每个储药柜的上端均设有第一报警器和指示灯，柜体的上侧左端设有支杆，支杆上设有固定套，固定套的外侧连接有手臂托板，柜体的上侧右端设有输液杆，输液杆的末端设有重力传感器，重力传感器的下端设有输液挂钩，输液杆的中部通过连接杆设有加热套，加热套的内部设有加热装置，输液杆的右侧设有控制器，控制器的内部设有无限发送模块，输液杆的上端设有第二报警器。本实用新型结构简单、使用方便，安全性高，功能多样，减轻了医护人员的工作难度。 ...

Method for determining upper limit of century nylon leaf approximate analysis of polydisperse system

The invention provides a method for determining an upper limit of century-ny-leaf approximate analysis of a polydisperse system, which comprises the following steps of: taking logarithms of scattering intensities I corresponding to SAXS on different scattering vectors q, and drawing an lnI-q curve; calculating a first-order derivative dlnI/dq according to the lnI-q curve, reading a q value corresponding to a first valley of the dlnI/dq-q curve in a low q region, and marking the q value as q1; the method comprises the following steps of: drawing a century-nI-q2, performing linear fitting on an approximate straight line of a low q region of the century-nI-q2 in a range from a minimum qmin2 to a minimum q12, and calculating the average turning radius Rg of the scatterer according to a slope after fitting, and Rg = (-3 * slope) 1/2. The method is simple and convenient, can uniquely determine the upper limit of the century nylon leaf approximation, effectively avoids the humanity of a traditional ...

HYDROPHILIC BERBERINE DERIVATIVE WITH R10 AND R11 CONNECTED AND APPLICATION THEREOF IN PREPARATION OF DRUGS

Disclosed are an 8-dihalide methyl berberine quaternary ammonium compound shown in formulas (I) and (II), a synthetic method therefor, and an application thereof in preparation of drugs. The 8-dihalide methyl berberine quaternary ammonium compound is more hydrophilic than a substrate in the absence of conventional hydrophilic groups. The 8-dihalide methyl berberine quaternary ammonium compound has a remarkable anti-microbial activity, anti-inflammatory activity and anti-ulcerative colitis activity, can explicitly and significantly regulate target molecules, associated with tumor formation, in tumor cells of the colon cancer, liver cancer, lung cancer, breast cancer, osteosarcoma, and glioma, and has anti-tumor activity. The pharmacological action of the compound of the present invention is higher than that of a control drug. Moreover, the compound has the characteristics of nontoxicity or hypotoxicity, and can be used for preparing drugs for preventing, alleviating, and/or treating microbiological ...

USE OF DIHYDROBERBERINE TYPE COMPOUNDS IN PREPARATION OF PRODUCT FOR TREATING TUMOUR DISEASES ASSOCIATED WITH STAT3 SIGNALING PATHWAY

Provided are the use of dihydroberberine type compounds and (±) -8-acetonyldihydroberberine type compounds in the preparation of products for preventing, alleviating and/or treating tumour diseases associated with the STAT3 signaling pathway, wherein the dihydroberberine type compounds comprise dihydroisocoptisine, dihydrocoptisine and dihydropalmatine, and the (±) -8-acetonyldihydroberberine type compounds comprise (±) -8-acetonyldihydroisocoptisine, (±) -8-acetonyldihydrocoptisine and (±) -8-acetonyldihydropalmatine. The tumour diseases associated with the STAT3 signaling pathway are selected from various tumours, especially colorectal cancer.

Fiber bragg grating self-adaptive laying device and method for measuring axial force distribution of grouting pile

The invention relates to the field of grouting pile optical fiber implantation, in particular to a fiber bragg grating self-adaptive laying device and method for grouting pile axial force distribution measurement. The device comprises a holding rod, an arc-shaped rod piece and a fiber bragg grating transmission assembly, the fiber bragg grating transmission assembly comprises a radial included angle adjusting rod and a fiber bragg grating fixing module, the arc-shaped rod piece is provided with a first rod piece opening, and one end of the holding rod is connected into the first rod piece opening; the radial included angle adjusting rod is provided with a second rod piece opening hole connected with the arc-shaped rod piece, the radial included angle adjusting rod is hinged to one end of the fiber bragg grating fixing module, and the other end of the fiber bragg grating fixing module fixes a fiber bragg grating to be installed. The fiber bragg grating fixing module rotates around the hinge ...

LAMP CAP OF LAMP AND TRI-PROOF LAMP

A lamp cap of a lamp and a tri-proof lamp. The lamp cap comprises a lamp cap assembly (100). The lamp cap assembly (100) comprises a lamp cap connector (110), a lamp cap cover (120) and a welding ring (130). One end of the lamp cap connector (110) is a first connecting end, a lamp cap groove (112) is provided at the other end thereof, the welding ring (130) is arranged in the lamp cap groove (112), and the lamp cap groove (112) matches an interface of a connected lampshade (200) in shape; the welding ring (130) is melted when heated, and the lampshade (200) and the lamp cap connector (110) are connected by means of hot melting; and the lamp cap cover (120) is provided with a second connecting end, the first connecting end is connected to the second connecting end, the lamp cap cover (120) is mounted on or dismounted from the lamp cap connector (110) by means of the second connecting end, and a first through hole (122) is further provided in a surface of the lamp cap cover (120).

Equipment control method and device, storage medium and electronic device

The invention discloses an equipment control method and device, a storage medium and an electronic device.The method comprises the steps that when a first voice control instruction is collected, whether a current mode is a target mode or not is detected; when it is detected that the current mode is the target mode, a response operation corresponding to the first voice control instruction is not executed, and whether a second voice control instruction is collected within a first preset duration is monitored; and under the condition that the second voice control instruction is collected again within the first preset duration, executing a response operation corresponding to the second voice control instruction or the first voice control instruction. By adopting the technical scheme, the problem that the equipment is easily awakened by mistake is solved.

POLICY FILE BASED SIMULATION MODELING METHOD OF POWER SYSTEM SECONDARY EQUIPMENT

A policy file based simulation modeling method of power system secondary equipment is provided. The method comprises: collecting equipment information, configuring a policy file for secondary equipment using a policy compiling program E language, and saving the policy file in a secondary equipment policy library, wherein the policy file is used for describing the control, object type and control logical relationship of the secondary equipment. The method provided by the present invention realizes the building of a layering secondary equipment simulation model in simulation software and therefore greatly improves the building efficiency of simulation development personnel for a fine simulation model of secondary equipment.

DERIVATIVES OF PROTOBERBERINE BIOLOGICAL ALKALOIDS AND USE OF SAME INHIBITING ULCERATIVE COLITIS

Disclosed are derivatives of protoberberine biological alkaloids or physiologically acceptable salts thereof produced by means of a derivative reaction of a source material of biological alkaline quaternary ammonium salts of protoberberine alkaloids, a preparation method for same and pharmaceutical uses thereof. The derivatives of protoberberine biological alkaloids or the physiologically acceptable salts thereof show activity inhibiting ulcerative colitis and can be used in the preparation of drugs for same.

PHOTOELECTRIC MODULE, LAMP, AND LAMP MANUFACTURING METHOD

A photoelectric module, a lamp, and a lamp manufacturing method. The lamp comprises the photoelectric module (10), a lamp body (20), and a lamp cap assembly (30). The manufacturing method comprises: selecting the type of a produced lamp; assembling the photoelectric module in a state that the photoelectric module (10) is separated from the lamp body (20); inserting the assembled photoelectric module (10) into the lamp body (20); determining whether the photoelectric module (10) is completely assembled; and if the photoelectric module (10) is completely assembled, mounting the lamp cap assembly (30) and the lamp body (20), and sealing the photoelectric module (10) in the lamp body. The photoelectric module is mounted into the lamp body as a whole and can be disassembled, and a user can replace the photoelectric module in the lamp body according to needs.

Acellular dermal matrix as well as preparation method and application thereof

The invention provides an acellular dermal matrix. Wherein the collagen content of the acellular dermal matrix is 92 to 98 weight percent; the acellular dermal matrix is derived from animal fetal skin; the animal fetal skin is selected from at least one of fetal calfskin, fetal pigskin or fetal sheepskin; preferably, the animal fetal skin is selected from fetal calfskin. The acellular dermal matrix further comprises inorganic ions, and the content of the inorganic ions is 0.01-0.2 wt%; the inorganic ion is selected from at least one of Mg < 2 + >, Zn < 2 + >, Cu < 2 + > and Ag < + >, preferably Cu < 2 + >. The acellular dermal matrix prepared by the method provided by the invention has good biocompatibility and vascularization promotion effect, can reduce secretion of inflammatory cytokines, can effectively improve the healing rate of chronic difficult-to-heal wounds, and provides a solution for clinical treatment of chronic difficult-to-heal wounds.

Interim water storage water tank of job site

... 本实用新型公开了一种施工现场的临时用水储水箱，包括储水间、水泵间、两台水泵、水泵管以及两根进水管；水泵间固定安装在储水间的侧面；两台水泵并排安装在水泵间内，且两台水泵的进水口通过两根水泵管与储水间的下部相连通，两台水泵的出水口通过两根水泵管连接至水泵间外；两根进水管的上端均与储水间的上部相连通，两根进水管的下端水平穿出水泵间外。该施工现场的临时用水储水箱能够对地下水进行回收再利用，节省相当一部分市政给水管线自来水，既符合绿色施工环保节水的理念，又能节省下部分用水费用，具有较好的应用前景。 ...

Method for treating water and gas channeling outside casing through reservoir protection type circulation method

The invention belongs to the technical field of oil exploration, and particularly provides a method for treating water and gas channeling outside a casing by a reservoir protection type circulation method, which comprises the following steps of: 1, establishing reservoir pore temporary plugging through reservoir protection gel, 2, drilling an engineering hole in a water outlet layer section, and 3, feeding a packer to a space between a production layer perforation section and the engineering hole by using an oil pipe and packing. The method comprises the steps of building a circulation channel, pumping a plugging agent system into an annular channeling groove outside a casing in the circulation channel, degrading reservoir protection gel, treating a shaft, and perforating and reproducing the reservoir, so that the problem of water and gas channeling caused by incomplete cement sheath outside the casing and the problem of reproducing and increasing production of a production well are solved ...

Fiber-optic gyroscope fault on-line self-positioning method and device and medium

The invention provides a fiber-optic gyroscope fault on-line self-positioning method, a fiber-optic gyroscope fault on-line self-positioning device and a medium, and the method comprises the following steps: sending a mode control signal to a sensitive ring module to enable a fiber-optic gyroscope to be in different working modes; acquiring a real-time detection signal of the fiber-optic gyroscope in each working mode; comparing the real-time detection signal in each working mode with a pre-configured signal threshold range in the working mode, and determining a signal comparison result in each working mode; and when it is determined that the signal comparison result of the target working mode is abnormal, positioning the fault position of the fiber-optic gyroscope according to the abnormal signal comparison result and a conducted module in the fiber-optic gyroscope in the target working mode. Therefore, the self-localization of faults of the optical fiber gyroscope light source module, ...

人体肥胖诊治平台

The present invention discloses a human body fat diagnosis platform. It is formed from five portion of water tank with ultraviolet sterilization lamp, electronic weighing scale, water level meter, pressure sensor and single board computer. Said invention also provides its application method and operation steps, it can diagnose that the tested human body is fat or not, if said human body is fat, it can print out therapeutic scheme.

TRI-PROOF LAMP

The present application provides a tri-proof lamp. The tri-proof lamp comprises lamp cap assemblies arranged opposite each other, welding rings arranged on the lamp cap assemblies, a supporting plate arranged between the lamp cap assemblies, a light source plate arranged on the supporting plate, and a lampshade. The light source plate is arranged in the lampshade; each lamp cap assembly comprises a cable head and a lamp cap, a lamp cap groove is provided on the lamp cap, the welding ring is arranged in the lamp cap groove, and the welding ring is heated by an induction welding machine so as to fix the lamp cap and the lampshade in a hot melting mode.

Bay drainage basin sewage overall planning and scheduling method and system

The invention relates to the technical field of sewage overall planning and dispatching, in particular to a river bay drainage basin sewage overall planning and dispatching method and system. The method comprises the following steps: acquiring a sewage discharge pipe network plan, and dividing sewage discharge areas according to the sewage discharge pipe network plan, so as to obtain sewage discharge subareas; sewage discharge fall information is obtained, and a sewage pump station and a sewage interception pump station are arranged at the key sewage discharge node interface according to the sewage discharge fall information, so that pump station information is obtained; data optimization is carried out according to the sewage discharge partition and pump station information, so that a sewage pipe network system and an along-river closure system are generated; the method comprises the following steps: acquiring sewage treatment capacity information of each plant, carrying out condition ...

Detection method of automatic XRF (X-Ray Fluorescence) detection integrated device for metal-containing solid materials

The invention relates to a detection method of an automatic XRF detection integrated device for a metal-containing solid material, and belongs to the technical field of XRF detection. According to the detection method of the automatic XRF detection integrated device for the metal-containing solid material, pretreatment of the metal-containing solid material and an XRF detection analysis process are subjected to modular segmentation, the control module is used for controlling the devices to cooperate with one another to act in sequence, and the procedures of sampling, drying, sample pressing and XRF detection are automatically carried out on the metal-containing solid material; the influence of manual operation errors on the state of the detected sample is avoided, the consistency of the detection result is guaranteed to the maximum extent, meanwhile, the labor cost and the time cost are saved, and the detection efficiency and the accuracy and the reliability of the detection result are ...

Optical fiber junction box

The invention discloses an optical fiber distribution box, which comprises a box cover and a box body, the box cover and the box body are installed together, the box body is provided with an installation hole, the box body is provided with a module support through the installation hole, the module support is provided with an interface module, and the interface module is provided with an optical fiber. The interface module comprises an MPO/MTP to duplex LC plug-in box module, an MPO/MTP adapter module, an MPO/MTP to SN plug-in box module and an MPO/MTP to MDC plug-in box module, and the interface module comprises different standard interfaces; the optical fiber junction box can meet various modules, can be compatible with all standard interfaces in the market, meets the installation of various interface modules, simplifies the product series, and reduces the product configuration difficulty.

Modularized low-air-pressure control device capable of being quickly adapted

The invention relates to the technical field of space environment simulation, in particular to an adaptable modular low-pressure control device. The device can be quickly adapted to be connected with thermal vacuum test equipment, and is used for controlling the vacuum degree value of a vacuum container in the thermal vacuum test equipment to be stabilized at a set vacuum value; the device comprises a vacuum degree acquisition module, a data processing module and a flow controller module, the vacuum degree acquisition module acquires a vacuum degree value of a vacuum container in the thermal vacuum test equipment; the data processing module reads an actual vacuum degree value of the thermal vacuum test equipment, compares the actual vacuum degree value with a set vacuum degree value, and outputs a control signal according to a comparison result; and the flow controller module controls the flow value of the input gas and adjusts the flow value of the input gas according to the control signal ...

Efficient V-method automatic production line

The efficient V-method automatic production line comprises a lower box molding ring and an upper box molding ring, the lower box molding ring and the upper box molding ring are symmetrically arranged on the ground, the front side of the lower box molding ring and the front side of the upper box molding ring are jointly provided with a lower core wire, and a pouring wire is arranged on the left side of the lower core wire; a cooling conveying line is arranged on the front side of the pouring line, a box opening cooling line is arranged on the front side of the cooling conveying line, a box opening mechanical arm is arranged on the rear side of the box opening cooling line, an empty sand box return line is arranged on the left side of the box opening mechanical arm, and a grating is arranged on the right side of the box opening mechanical arm. And a casting taking manipulator is arranged on the right side of the grid. In the automatic V-method production line, the working procedures of model ...

Tunnel gas-liquid linkage balance pressure-limiting drainage device

The invention relates to a tunnel gas-liquid linkage balance pressure-limiting drainage device, belongs to the field of tunnel drainage, and solves the problems that a spring type pressure-limiting drainage device in the prior art is low in sensitivity, inconvenient to maintain, difficult to replace and the like. The invention discloses a tunnel gas-liquid linkage balance pressure-limiting drainage device which comprises a rubber ball, a balance rod, a rotating shaft and a first air bag. The rotating shaft is fixedly mounted in the inspection well; a first longitudinal drain pipe and a second longitudinal drain pipe are arranged in the inspection well; a balance rod is rotationally mounted on the rotating shaft; a rubber ball is arranged at one end of the balance rod and used for blocking the first longitudinal drainage pipe. The other end of the balance rod is fixedly connected with a piston in the first air bag. The tunnel gas-liquid linkage balance pressure-limiting drainage device is ...

使用动态反馈计算工艺参数的研磨方法

... 本发明为一种使用动态反馈计算工艺参数的研磨方法，其步骤包含：操作者(或自动化系统)提供一第一工艺参数；根据该第一工艺参数对一第一晶片进行研磨；量测经研磨完成的该第一晶片，以取得其量测数据；根据一特定法则及该量测数据计算经补偿的第二工艺参数；以及使用该第二工艺参数取代该第一工艺参数，并根据该第二工艺参数对下一片待研磨晶片进行研磨。 ...

Coal mine underground blasting blindage

The utility model relates to a blasting shelter, in particular to an underground coal mine blasting shelter, which solves the technical problems in the background technology and comprises a front retaining wall and a top wall which are fixedly connected, a base which enables a front retaining plate to be in a vertical state is fixed at the bottom of the front retaining wall, and fixing holes which are used for penetrating roadway side anchor rods are arranged on two sides of the front retaining wall. The underground blasting shelter is simple in structure, low in cost, convenient to assemble and install and high in use flexibility, can provide protection for blasting personnel when no sheltering chamber exists in an underground blasting operation site, reduces the time and economic cost for extra construction of the sheltering chamber, can be installed and used at any time, and is safe and reliable.

Wheel anti-lock method based on wheel deceleration and motor torque control

The invention discloses a wheel anti-lock method based on wheel deceleration and motor torque control. The method comprises the following steps: (1) estimating a road adhesion coefficient, and estimating to obtain a maximum road adhesion coefficient (112); ideal wheel deceleration calculation (2) for determining an ideal wheel deceleration [alpha] id (210); the target wheel deceleration calculation (3) is used for determining a target wheel deceleration alpha g (302) according to the wheel deceleration alpha p (301) required by the current whole vehicle state and the ideal wheel deceleration alpha id (210); (4) determining the control rate uk (sigma k) (413) of the controller according to the actual motion state information of the electric vehicle and the target wheel deceleration alpha g (302); setting uk (5) for optimizing a control law parameter sigma (409) based on a wheel deceleration dynamics control law parameter; the motor controller (6) outputs the required motor braking torque ...

Flux-cored wire for welding titanium-steel composite pipe and preparation method of flux-cored wire

The invention discloses a flux-cored wire for welding a titanium steel composite tube and a preparation method of the flux-cored wire, and belongs to the technical field of flux-cored wires for welding. The flux-cored wire is composed of a pure nickel strip on the outer skin and flux-cored powder on the inner skin. The outer skin is an N4 pure nickel strip, the size of the nickel strip is 0.6 * 12mm, the mass of the flux-cored powder accounts for 30.0-45.0% of the mass of the whole flux-cored wire, and the diameter range of the wire is 1.2-1.6 mm. The flux core powder comprises the following components: alloy powder: 10.0 to 15.0 percent of Zr, 4.0 to 5.0 percent of Hf, 1.0 to 2.0 percent of Ta, 10.0 to 15.0 percent of Cr and 3.5 to 5.0 percent of Nb; a combined deoxidizing agent: 0.5-1.0% of Mn; 0.5 to 1.0 percent of Si; and a grain refiner: 0.5-1.0% of Y-Ni alloy, wherein the mass ratio of Y to Ni is 1: 1. The method has the beneficial effects that the pure nickel strip is adopted as ...

Blue carbon burning machine of low nitrogen

... 本实用新型公开了种低氮兰碳燃烧机，包括燃烧室，燃烧室上设有进风口和进料口，进风口处设有风机，进料口上设有送料装置，送料装置上设有压力喷料器，燃烧室内设有点燃装置，点燃装置附近设有引燃槽，引燃槽内设有引燃料，燃烧室底部为圆形凹槽结构，燃烧室底部设有转动轴，燃烧室外设有与燃烧室底部相连的转动控制杆。本实用新型能通过转动轴和转动控制杆改变燃烧室的方位和外部气流冲刷的位置，增加了炭块燃烧的反应速率，使炭块能充分反应燃烧；燃烧室还设有压力增减装置，可通过燃烧机内部压强促进炭块反应状态，能使内部炭块充分燃烧反应完全；安全高效。 ...

Collagen soft sweets and preparation method thereof

The invention provides collagen soft sweets and a preparation method thereof, and belongs to the technical field of food, and the soft sweets mainly comprise the following components: marine fish collagen peptide, a plant extract, concentrated natural fruit juice, a non-nutritional sweetening agent, a gel material, starch, an antioxidant and water. The invention also provides a preparation technology of the soft candy. The candy is prepared by dissolving the raw materials, mixing glue, adding functional components, forming and packaging. The prepared soft sweets are rich in marine collagen peptides and functional plant extracts, have the effects of removing wrinkles, resisting aging and the like, are low in sugar content, and do not cause burden to a human body due to excessive sugar intake; a natural fruit juice concentrated formula is adopted, and the taste is sweet, soft and rich; the preparation process is simple, and industrialization is easy to realize.

Rolling rubber coating device

The invention discloses a rolling rubber coating device which comprises two rubber rolling mechanisms and an edge folding and shaping mechanism, the two rubber rolling mechanisms are symmetrically arranged, and each rubber rolling mechanism comprises a transplanting assembly, a rotating assembly, a rubber preparation assembly and a rubber pasting assembly; the transplanting assembly comprises a base and a linear sliding module fixedly mounted on the base; the rotating assembly is installed on the linear sliding module and comprises a hollow rotating platform and a servo motor. The number of the rubberizing assemblies is two, and the two rubberizing assemblies are fixedly installed on the hollow rotating platform and are arranged in a central symmetry mode with the central point of the hollow rotating platform as the center; the glue preparation assembly is installed on the hollow rotating platform and used for supplying glue to the glue pasting assembly. According to the invention, non-stop ...

Preparation method of decalcified bone matrix

According to the preparation method of the decalcified bone matrix provided by the invention, specific methods of pretreatment, disinfection, degreasing, decellularization, decalcification, freeze-drying and sterilization are combined, the integrity of bioactive components and structures in materials can be well reserved, and particularly, by adopting the decalcification method disclosed by the invention, the decalcified bone matrix can be more easily obtained. According to the present invention, the saccharide and the polyol protein protective agent are added to the traditional decalcification reagent, such that the efficient removal of the mineral components can be achieved while the damage to the BMP-2 and the various cell factors during the decalcification process can be reduced; the decalcified bone matrix prepared by the invention perfectly retains the space structure of the bone, has good biocompatibility, biodegradability and bone repair capability, can be used for repairing and ...

Decellularized pericardium as well as preparation method and application thereof

The invention provides a preparation method of a decellularized pericardium, which adopts a specific method of combining pretreatment, disinfection, degreasing, decellularization and freeze-drying treatment, effectively removes antigenic substances of animal tissues, can furthest maintain the integrity of bioactive components and structures in materials, and can be used for preparing the decellularized pericardium. Meanwhile, in the preparation process, inorganic metal ions, polysaccharides and drugs generated by adhesion can be effectively compounded and prevented, the prepared decellularized pericardium has a natural rough surface and a smooth surface, the smooth surface is compact in fiber structure, invasion of adhesion tissues can be effectively blocked, and the function of tendons is not affected; the rough surface allows tissues to grow in, so that rapid vascularization and tendon repair are facilitated; meanwhile, the decellularized pericardium is loaded with functional components ...

Contact system of low-voltage circuit breaker

A contact system of a low-voltage circuit breaker comprises a static contact and a moving contact, the static contact comprises a wiring terminal, an inner arm and an outer arm, at least two outer arms are connected in parallel, one ends of the outer arms are connected to the wiring terminal, the other ends of the outer arms are connected to a non-contact end of the inner arm, and the contact end of the inner arm is located between the wiring terminal and the non-contact end of the inner arm. The circuit breaker is characterized in that at least one outer arm is provided with a disconnection part, the disconnection part is correspondingly provided with an auxiliary moving contact, one end of the auxiliary moving contact is communicated with the disconnection part when the circuit breaker is switched on, and the auxiliary moving contact is driven by the moving contact to be separated from the disconnection part when the circuit breaker is switched off. According to the contact system, the ...

Quick-cleaning photovoltaic device

The invention discloses a quick-cleaning photovoltaic device, which comprises a main frame mechanism, a cleaning mechanism and a photovoltaic part, and is characterized in that the main frame mechanism comprises a main frame body, a mounting piece arranged on the main frame body and the photovoltaic part arranged on the main frame body through the mounting piece; and the vibration mechanism comprises a driving assembly arranged on the main frame body and a pushing assembly in transmission connection with the driving assembly. A vibration mechanism is arranged, a driving assembly drives a pushing assembly to rotate, a photovoltaic part is rotationally connected with a main frame body through one end of a mounting piece, the other end of the photovoltaic part can swing in a small range, and in the process that the pushing assembly rotates in the first direction, the photovoltaic part is pushed to rotate by a certain angle with one connecting point of the photovoltaic part and the main frame ...

Vacuum switching device for V-method automatic molding

The invention discloses a vacuum switching device for V-method automatic modeling, which comprises a first transfer trolley, a second transfer trolley, a three-section type model transfer roller way and a vacuum switching device, and the three-section type model transfer roller way is sequentially provided with an emptying box model transfer roller way, a sand adding position model transfer roller way and a back film covering position model transfer roller way in the model conveying direction. The vacuum switching device comprises a fixed vacuum device and a follow-up vacuum device which are respectively used for vacuum switching when the model stops and runs. The synchronous mechanism is in butt joint with the model, so that the follow-up vacuum beam and the model operate synchronously, and the vacuumizing reliability of the model during operation is ensured. After the sand box is coated with a back film and the model is in place, the fixed vacuum valve is opened, the follow-up vacuum ...

Strontium-doped beta-tricalcium phosphate/hydroxyapatite biphase calcined bone

The invention provides a strontium-doped beta-tricalcium phosphate/hydroxyapatite double-phase calcined bone, and the strontium-doped beta-tricalcium phosphate/hydroxyapatite double-phase calcined bone provided by the invention has relatively high porosity, relatively large pore size average value, relatively high biocompatibility and relatively high degradation speed, and can be used for preparing a bone material for the first time. The material is used for filling and repairing periodontal bone and maxillofacial surgery bone defect or bone mass insufficiency, and has a good repairing effect.

Ring cutting device for large cable

The invention discloses a girdling device for a large-scale cable, and the device comprises a mounting assembly which comprises a pedestal and a support disposed in the middle of the pedestal. The adjusting assembly is arranged at the bottom of the support and comprises an adjusting seat arranged at the bottom of the support, a scale piece arranged in the adjusting seat and cutter feeding pieces arranged inside and outside the adjusting seat; and the ring cutting assembly is arranged at the bottom of the adjusting seat and comprises a driving piece arranged between the base and the support, a cutting knife arranged at the bottom of the adjusting seat and a locking piece arranged in the cutting knife. Through arrangement of the mounting assembly, the adjusting assembly and the girdling assembly, the device can automatically feed when cutting a cable sheath, and the interior of a cable can be prevented from being damaged while the cutting pressure of the device is reduced.

Feeding device is pressed in catalyst preparation in -process area

... 一种催化剂制备过程中带压加料装置包括主反应釜(1)、中间罐(3)、其特征在于主反应釜(1)顶端的出液口用导压管(2)并通过阀门(5)与中间罐(3)顶端的进液口连接，主反应釜(1)顶端的进液口用导液管(4)并通过单向阀(6)与中间罐(3)底端的出液口连接，中间罐(3)的出液口高于主反应釜(1)的进液口。本实用新型具有简单高效地实现催化剂制备过程中带压加料的优点。 ...

Automatic XRF detection integrated device for metal-containing solid material

The invention relates to an automatic XRF (X-Ray Fluorescence) detection integrated device for a metal-containing solid material, and belongs to the technical field of XRF detection. The automatic XRF detection integrated device for the metal-containing solid material comprises a conveying belt, sampling equipment, drying equipment, a sample preparation press, transfer equipment, an XRF detection module and a control module. According to the invention, the control module controls the devices to act in sequence, so that the metal-containing solid material is automatically subjected to sampling, drying, sample preparation and XRF detection procedures, the influence of manual operation errors on the state of the detected sample is avoided, the consistency of the detection result is ensured to the greatest extent, the labor cost and time cost are saved, and the detection efficiency is improved. And the accuracy and reliability of the detection efficiency and the detection result are improved ...

Shale oil in-situ conversion ultrahigh-temperature working condition well cementation strength stabilizer and preparation method thereof

The invention discloses a shale oil in-situ conversion ultra-high temperature working condition well cementation strength stabilizer and a preparation method thereof, and the strength stabilizer comprises the following components by weight: 50-60% of a high temperature early strength agent; 20-30% of a high-temperature reinforcing agent; and 10-20% of an active activator. The stabilizer disclosed by the invention not only can quickly promote the strength development of set cement in a low-temperature environment to enable the set cement to have obvious early-strength and high-strength characteristics, but also can realize secondary development of strength in a high-temperature environment, has excellent high-temperature-resistant characteristics, and is suitable for being popularized and applied. The technical problems that the porosity of a well cementation cement sheath is increased, the strength declines seriously, the mechanical and sealing integrity is damaged and fails and the like ...

Acellular matrix composite rotator cuff patch

The invention provides a decellularized matrix composite rotator cuff patch which comprises a decellularized dermal layer and a decellularized pericardium layer, the decellularized dermal layer is an upper layer, and the decellularized pericardium layer is a lower layer. The preparation method of the acellular matrix composite rotator cuff patch is simple, and the acellular matrix composite rotator cuff patch has good mechanical properties, biocompatibility and tendon-bone healing promoting performance, can reduce the postoperative re-tearing rate, promote tendon-bone healing and improve the success rate of rotator cuff injury repair operation, and has good application prospects.