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31results about How to "Achieve reply" patented technology

High-toughness hot-rolled medium manganese steel with strength-ductility balance greater than 60 GPa.% and preparation method

The invention discloses high-toughness hot-rolled medium manganese steel with strength-ductility balance greater than 60 GPa.% and a preparation method, and belongs to the field of high-toughness automobile steel. The steel comprises the following chemical components of, in percentage by weight, 0.35-0.40% of C, 6.00 -6.30% of Mn, 2.20-2.35% of Al, 0-0.027% of Nb, 0.030 -0.074% of Si, 0.05% of P,0.02% of S, and the balance Fe and inevitable impurities. The preparation method comprises the steps of raw material preparation, smelting, casting, forging, hot rolling and two-phase region annealing. According to the high-toughness hot-rolled medium manganese steel, strength of extension is 1039-1183 MPa, after-fracture elongation rate is 43.5-64.8%, strength-ductility balance can reach more than 60 GPa.%, but not greater than 72GPa.%. Through reasonable component proportion and optimized two-phase region annealing process, morphology and proportion of a two-phase structure are controlled, TRIP and TWIP effects are effectively simulated to reach a high work hardening rate, the strength and the toughness of the medium manganese steel are greatly improved, and performance indexes of different components of an automobile are met.
Owner:UNIV OF SCI & TECH BEIJING

Machine customer service method and device and computer storage medium

The embodiment of the invention provides a machine customer service method and device and a computer storage medium. The method comprises the steps of obtaining keywords in received text session information sent by a customer and behavior data of the customer; determining the cosine similarity of the keywords; obtaining text information corresponding to the cosine similarity from a customer service knowledge base; according to the text information and the behavior data of the customer, determining and sending a response message corresponding to the text session information. The machine customer service method aims at solving the problems that in the prior art, responses of machine customer services to questions are simple, manual setting is needed, and the limitation degree is high.
Owner:WELLONG ETOWN INT LOGISTICS

Damping and buffering device for storage battery

The invention discloses a damping and buffering device for a storage battery, and the device comprises a box body, a cover plate, a clamping mechanism and a damping mechanism; the damping mechanism comprises a sliding rod and a damping assembly, and the clamping mechanism comprises a lantern ring, a limiting rod, a pushing rod, a connecting rod, a first connecting rod, a second connecting rod, a clamping plate and a moving assembly. According to the damping and buffering device for the storage battery, primary damping of the storage battery is achieved through the damping mechanism, up-down limiting of the storage battery is achieved through the abutting mechanism and the bearing plate, left-right limiting of the storage battery is achieved through the clamping mechanism, and meanwhile, the secondary damping of the storage battery is achieved through the second spring; through the buffer mechanism arranged in the rubber ball, when the storage battery is vibrated, the storage battery can return slowly, so the storage battery returns more stably, a sliding block is driven to move through the dead weight of the storage battery, and a clamping plate clamps the storage battery, so the storage battery is prevented from being internally short-circuited due to excessive vibration, and the service life of the storage battery is prolonged; and the usability of use is improved.
Owner:王小娟

Preparation method and unfolding and recovering method of thin-wall cylindrical shell structure

ActiveCN113276440AExpand to achieveAchieve replyFiberSpatial structure
The invention discloses a preparation method and an unfolding and recovering method of a thin-wall cylindrical shell structure, belongs to the technical field of spatial structure material design, and aims to solve the problem that the material application is limited due to the fact that most of existing thin-wall cylindrical shell materials are of one-way unfolding structures. The method comprises the steps that fiber cloth serves as a reinforcing material, a shape memory material serves as a resin matrix, and a shape memory composite material is prepared; after pre-curing at 60-120 DEG C for 0.5-6 h, a curled shape is prepared, then post-curing is performed on the curled shape, post-curing is completed after heating is performed at 120-200 DEG C for 4-10 h, and shaping is performed; the obtained sample is heated to Tg or above, a tubular mold is used for shaping the sample, the temperature is reduced to Tg or below, and the temporary shape of the thin-wall cylindrical shell structure is obtained; at the moment, under the room temperature state, the material is curled, and the curled shape is shaped due to the fact that the designed thin-wall cylindrical shell structure has the bistable characteristic. The reversible change of the stretching structure is realized through combination of two unfolding modes.
Owner:HARBIN INST OF TECH

A method for managing spatial data versions

The invention provides a management method of spatial data version, comprising the following steps: S1, creating a database table of spatial data storage and importing the spatial data; S2, the evolution of the main version of the spatial data, including the import of the new version of the spatial data and the restoration of the original version of the spatial data; S3, branch version evolution of spatial data, including modification and submission of graphic elements or attributes of the current version of the spatial data; S4, the version tree application of the spatial data, and finding the required version spatial data in the version tree. The invention realizes merging and conflict processing of spatial data editing operation. The record-level version incremental backup and recoveryis realized, which improves the efficiency, and the spatial data version is advanced, traced back and fused, which makes the spatial data version management more flexible.
Owner:CHINA PETROLEUM & CHEM CORP +1

Floating type full-automatic water organic pollutant purification device

The invention discloses a floating type full-automatic water organic pollutant purification device which comprises a floating plate, a solar panel, an electronic sound player, an adsorption device and an ultraviolet lamp device, wherein the solar panel is arranged on the plate surface of the floating plate and connected with a storage battery; the storage battery is electrically connected with the electronic sound player; the storage battery and the electronic sound player are provided with waterproof covers; the adsorption device is connected below the plate surface of the floating plate and comprises a connecting net and an activated carbon adsorbent; a groove is formed below the plate surface of the floating plate; the ultraviolet lamp device is arranged in the groove; and an ultraviolet lamp source is electrically connected with the storage battery. The purification device disclosed by the invention has the beneficial effects that organic pollutants in the water body are effectively adsorbed, and the water quality in rivers and lakes is improved; meanwhile, the device is simple in structure and easy to operate, and the activated carbon adsorption capacity is automatically restored without manual maintenance after input; and moreover, the device solves the eutrophication problem, is attractive in appearance, has ornamental value and is particularly applicable to the rivers and lakes inside the city.
Owner:南京河海环境研究院有限公司

A high-strength and tough hot-rolled medium manganese steel with a strength-plasticity product greater than 60gpa% and its preparation method

The invention discloses high-toughness hot-rolled medium manganese steel with strength-ductility balance greater than 60 GPa.% and a preparation method, and belongs to the field of high-toughness automobile steel. The steel comprises the following chemical components of, in percentage by weight, 0.35-0.40% of C, 6.00 -6.30% of Mn, 2.20-2.35% of Al, 0-0.027% of Nb, 0.030 -0.074% of Si, 0.05% of P,0.02% of S, and the balance Fe and inevitable impurities. The preparation method comprises the steps of raw material preparation, smelting, casting, forging, hot rolling and two-phase region annealing. According to the high-toughness hot-rolled medium manganese steel, strength of extension is 1039-1183 MPa, after-fracture elongation rate is 43.5-64.8%, strength-ductility balance can reach more than 60 GPa.%, but not greater than 72GPa.%. Through reasonable component proportion and optimized two-phase region annealing process, morphology and proportion of a two-phase structure are controlled, TRIP and TWIP effects are effectively simulated to reach a high work hardening rate, the strength and the toughness of the medium manganese steel are greatly improved, and performance indexes of different components of an automobile are met.
Owner:UNIV OF SCI & TECH BEIJING

Cleaning device for cutting base

The invention relates to a cleaning device for a cutting base. The cleaning device comprises a moving block, a connecting rod, a driving mechanism and a cleaning mechanism, the driving mechanism comprises a connecting plate, a transverse plate, a moving rod, a sliding block and a first spring, and the cleaning mechanism comprises a piston cylinder, a second spring, a pulling rod, a blade and a pulling assembly. According to the cleaning device for the cutting base, the cleaning mechanism and the driving mechanism are matched to clean a main body, the blade impacts a cut product through the restoring force of a second spring, the blade better abuts against the main body through the restoring force of a torsional spring, and therefore the cleaning effect is improved, the impact force of the blade is improved through a third spring, so that the impact frequency is reduced, the working efficiency is improved, the labor intensity of workers is reduced, meanwhile, a movable block is limited through a positioning mechanism, the movable block can better move on the main body, meanwhile, the cleaned main body is swept, and the use practicability is improved.
Owner:南京伊都锦环保科技有限公司

Multistage follow-up switch pressing mechanism

InactiveCN106206119APrecise Control of Reverse ThrustPrecisely control the size of the reverse thrustContact driving mechanismsEngineeringCam
The invention discloses a multistage follow-up switch pressing mechanism which comprises a cam, a rocker arm A (10) and a rocker arm B (16). The multistage follow-up switch pressing mechanism is characterized in that a microswitch A (1), a microswitch B (2), a microswitch C (3) and a microswitch D (5) are fixed to a support (4), screws C (18) are installed at the upper portions of the microswitches and are connected to one end of the microswitch B (2), the other end of the rocker arm B (16) is installed on a shaft A (13) in a sleeving mode, a spring (15) is installed below the side, connected with the shaft A (13), of the rocker arm B (16), a rolling wheel (14) is installed on the rocker arm B (16), a cam (6) is installed at the upper portion of the rolling wheel (14) in a contact mode and is fixed to a connecting rod (9) through a shaft B (19), and two ends of the rocker arm A (10) are respectively connected with the connecting rod (9) and a drive gear (12). The multistage follow-up switch pressing mechanism is convenient to operate, safe, reliable, accurate and controllable and is suitable for popularization and usage of multistage follow-up pressing of accelerator tables and the like.
Owner:GUIZHOU HUAYANG ELECTRICAL

Recombined nucleic acid fragment reccr010007 and its detection primers and applications

The invention relates to molecular biology, and specifically discloses a rice blast-resistant recombinant nucleic acid fragment RecCR010007, detection primers and applications thereof. The present invention also provides a method for breeding rice plants containing blast-resistant genome recombined nucleic acid fragments based on the whole-genome selective breeding technique, in which the target genome fragments are introduced into recipient materials, and the background is restored at the same time. The improved receptor material of the present invention is 'Shen 95B', which is the maintainer line used in conjunction with the widely used sterile line 'Shen 95A'. Using the above method, it can be introduced into rice while retaining the original advantages of 'Shen 95B'. Blast resistance genome fragments to improve its resistance to rice blast. The recombinant nucleic acid fragment provided by the invention is closely related to rice blast resistance, and can be used as a resistance resource for the cultivation of other varieties.
Owner:CHINA NAT SEED GRP

A joint type magneto-rheological vibration damping device

InactiveCN105179576BAchieving semi-active controlSemi-active control is easy to implementNon-rotating vibration suppressionSemi activeJoints types
The invention relates to the field of vibration damping devices, in particular to an articulated magnetorheological vibration damping device. It includes a rotating shaft, a front end cover, a rear end cover, a steel leaf spring, an electromagnetic coil, a coil winding tube and a damping disc; both the front end cover and the rear end cover are rotatably arranged on the rotating shaft; the front end cover and the rear end cover are fixedly connected; A limit step is set on the side of the cover away from the rear end cover; one end of the steel leaf spring is fixed on the end of the rotating shaft close to the front end cover; the other end of the steel leaf spring is fixed on the limit step; A cavity is arranged between the two parts; the damping disc is fixedly arranged on the rotating shaft and is arranged in the cavity; a filling hole is arranged on the front end cover, which is used to inject magnetorheological fluid into the cavity; the electromagnetic coil is arranged in the cavity away from the rotation One side of the shaft; the rear end cover is provided with a lead hole for supplying power to the electromagnetic coil. The present invention integrates a magnetorheological damper and a steel leaf spring, has a compact structure, can adjust the damping in real time, and is convenient to realize the semi-active control of the vibration damping device.
Owner:ACADEMY OF ARMORED FORCES ENG PLA

Recombinant nucleic fragment RecCR010160 and detection primer and application thereof

The invention relates to the molecular biology and specifically discloses a rice blast-resistant recombinant nucleic fragment RecCR010160 and a detection primer and application thereof. The invention further provides a method based on a whole genome selective breeding technology for selectively breeding rice plants comprising the rice blast-resistant genome recombinant nucleic fragment, a target genome segment is introduced into an acceptor material, and background recovery is achieved at the same time. Luxiang 618B is used as the improved acceptor material and is a maintainer line matched with an aromatic sterile line Luxiang 618A with a medium and low amylose content. Through the method, the rice blast resistance of the Luxiang 618B can be greatly improved under the condition that the original advantages of the Luxiang 618B are reserved. Furthermore, the rice blast resistance of hybrids is greatly improved through combination. The genome recombinant nucleic fragment provided by the invention is closely related to the rice blast resistance and can be used as a resistance resource to be applied to cultivation of other varieties.
Owner:CHINA NAT SEED GRP

Recombinant nucleic fragment RecCR010161 and detection primer and application thereof

The invention relates to the molecular biology and specifically discloses a rice blast-resistant recombinant nucleic fragment RecCR010161 and a detection primer and application thereof. The invention further provides a method based on a whole genome selective breeding technology for selectively breeding rice plants comprising the rice blast-resistant genome recombinant nucleic fragment, a target genome segment is introduced into an acceptor material, and background recovery is achieved at the same time. Luxiang 618B is used as the improved acceptor material and is a maintainer line matched with an aromatic sterile line Luxiang 618A with a medium and low amylose content. Through the method, the rice blast resistance of the Luxiang 618B can be greatly improved under the condition that the original advantages of the Luxiang 618B are reserved. Furthermore, the rice blast resistance of hybrids is greatly improved through combination. The genome recombinant nucleic fragment provided by the invention is closely related to the rice blast resistance and can be used as a resistance resource to be applied to cultivation of other varieties.
Owner:CHINA NAT SEED GRP

A safety helmet cleaning device for petroleum exploitation

The invention relates to a safety helmet cleaning device for petroleum exploitation, which includes a fixed box, a filter screen plate, a cleaning mechanism and a fixing mechanism, the fixing mechanism includes a positioning assembly and a fixing assembly, and the cleaning mechanism includes a water tank, a driving assembly and a cleaning assembly. The helmet cleaning device used in the development realizes the fixing of the main body through the fixing mechanism, increases the contact area with the main body through the annular abutment plate, and improves the fixing effect, and at the same time realizes the elastic fixing of the main body through the restoring force of the first spring, so that the main body Better to abut against the abutment plate, spray water on the main body through the cleaning mechanism, and at the same time realize the rotation of the cleaning plate through the impact force of the water flow, and realize the movement of the push plate through the cooperation of the pressure of the water and the moving unit, The restoration of the cleaning plate is realized by the restoring force of the second spring, so as to realize automatic cleaning of the main body, reduce labor intensity, and realize the linkage of multiple mechanisms through the same driving source, thereby improving the practicability of use.
Owner:深圳市冠辰新能源科技有限公司

Recombinant nucleic fragment RecCR010311 and detection primer and application thereof

The invention relates to the molecular biology and specifically discloses a rice blast-resistant recombinant nucleic fragment RecCR010311 and a detection primer and application thereof. The invention further provides a method based on a whole genome selective breeding technology for selectively breeding rice plants comprising the rice blast-resistant genome recombinant nucleic fragment, a target genome segment is introduced into an acceptor material, and background recovery is achieved at the same time. A three line restorer Yuehui 9113 used widely is used as the improved acceptor material. Through the method, on the premise that the original characteristics of the Yuehui 9113 are reserved, the rice blast-resistant genome segment is introduced, and the rice blast resistance of the Yuehui 9113 is improved. Furthermore, the rice blast resistance of hybrids is greatly improved through combination. The genome recombinant nucleic fragment provided by the invention is closely related to the rice blast resistance and can be used as a resistance resource to be applied to cultivation of other varieties.
Owner:CHINA NAT SEED GRP

Marketing system based on big data acquisition and AI intelligent outbound

The invention discloses a marketing system based on big data acquisition and AI intelligent outbound, and relates to the technical field of electronic commerce. Comprising a business data acquisition unit, a central controller, a data storage module, a big data internet unit, a business propaganda unit, a business query unit, an AI intelligent multi-language e-commerce unit, an AI intelligent application layer unit and an e-commerce shopping unit, and the output end of the business data acquisition unit is electrically connected with the input end of a business data analysis unit; the output end of the business data analysis unit is electrically connected with the input end of a central controller. According to the marketing system based on big data acquisition and AI intelligent outbound, intelligent message reply can be realized, the manual workload is reduced, the enterprise manual operation cost is reduced, the e-commerce service quality is improved, the service level of an enterprise is further improved, intelligent information collection, information storage and information reply are facilitated, the intelligent degree is relatively high, and the marketing efficiency is improved. And the working efficiency is greatly improved.
Owner:智慧金保网络科技(江苏)有限公司

Recombinant nucleic fragment RecCR010315 and detection primer and application thereof

The invention relates to the molecular biology and specifically discloses a rice blast-resistant recombinant nucleic fragment RecCR010315 and a detection primer and application thereof. The invention further provides a method based on a whole genome selective breeding technology for selectively breeding rice plants comprising the rice blast-resistant genome recombinant nucleic fragment, a target genome segment is introduced into an acceptor material, and background recovery is achieved at the same time. A three line restorer Yuehui 9113 used widely is used as the improved acceptor material. Through the method, on the premise that the original characteristics of the Yuehui 9113 are reserved, the rice blast-resistant genome segment is introduced, and the rice blast resistance of the Yuehui 9113 is improved. Furthermore, the rice blast resistance of hybrids is greatly improved through combination. The genome recombinant nucleic fragment provided by the invention is closely related to the rice blast resistance and can be used as a resistance resource to be applied to cultivation of other varieties.
Owner:CHINA NAT SEED GRP

Recombinant nucleic fragment RecCR010007 and detection primer and application thereof

The invention relates to the molecular biology and specifically discloses a rice blast-resistant recombinant nucleic fragment RecCR010007 and a detection primer and application thereof. The invention further provides a method based on a whole genome selective breeding technology for selectively breeding rice plants comprising the rice blast-resistant genome recombinant nucleic fragment, a target genome segment is introduced into an acceptor material, and background recovery is achieved at the same time. Shen 95B is used as the improved acceptor material and is a maintainer line matched with Shen 95A which is a widely used sterile line. Through the method, under the condition that the original advantages of the Shen 95B are reserved, the rice blast-resistant genome fragment is introduced, and the rice blast resistance of the Shen95B can be greatly improved. The recombinant nucleic fragment provided by the invention is closely related to the rice blast resistance and can be used as a resistance resource to be applied to cultivation of other varieties.
Owner:CHINA NAT SEED GRP

Intelligent street lamp with dust removal function

The invention relates to an intelligent street lamp with a dust removal function, which comprises a fixed box, a lamp tube, a heat dissipation mechanism and a dust removal mechanism, wherein the heat dissipation mechanism comprises a water tank, an air pump, an air outlet pipe, an air inlet pipe and an air outlet assembly, and the dust removal mechanism comprises a moving assembly, a dust removal assembly and a limiting assembly. According to the intelligent street lamp with the dust removal function, heat dissipation of hot air in the fixed box is achieved through the heat dissipation mechanism, dust absorption can be achieved, air purification is achieved through water, environment protection is achieved, the flow speed of air flowing out of the water tank is increased through the heat dissipation assembly, air compression is achieved, and therefore the heat dissipation effect is improved; dust removal of the lamp tube is achieved through the dust removal mechanism, so that the cleaning effect is improved, protection of the brush is achieved, the service life of the brush is prolonged, linkage of multiple mechanisms is achieved through the same driving source, and the use practicability is improved.
Owner:扬州品正照明科技有限公司

Recombinant nucleic fragment RecCR010005 and detection primer and application thereof

The invention relates to the molecular biology and specifically discloses a rice blast-resistant recombinant nucleic fragment RecCR010005 and a detection primer and application thereof. The invention further provides a method based on a whole genome selective breeding technology for selectively breeding rice plants comprising the rice blast-resistant genome recombinant nucleic fragment, a target genome segment is introduced into an acceptor material, and background recovery is achieved at the same time. Shen 95B is used as the improved acceptor material and is a maintainer line matched with Shen 95A which is a widely used sterile line. Through the method, under the condition that the original advantages of the Shen 95B are reserved, the rice blast-resistant genome fragment is introduced, and the rice blast resistance of the Shen 95B can be greatly improved. The recombinant nucleic fragment provided by the invention is closely related to the rice blast resistance and can be used as a resistance resource to be applied to cultivation of other varieties.
Owner:CHINA NAT SEED GRP

Recombinant nucleic acid fragment RecCR010375 as well as detection primer and application thereof

The invention relates to molecular biology and specifically discloses a rice blast resistant recombinant nucleic acid fragment RecCR010375 as well as a detection primer and an application thereof. The invention further provides a method for breeding rice plants with rice blast resistant genome recombinant nucleic acid fragments based on a whole genome selective breeding technology. Target genome segments are imported into an acceptor material, and background restoration is realized. The improved acceptor material is 'Zhongzhonghui 629' and is a high-yield high-quality and optimal broad-spectrum restoration system. By utilizing the method, the rice blast resistance can be greatly improved under the condition that the original advantages of 'Zhongzhonghui 629' are remained. Furthermore, hybrid rice blast resistance is greatly improved through matching. The genome recombinant nucleic acid fragments provided by the invention are tightly related to the rice blast resistance and can serve as resistance resources to be applied to cultivation of other species.
Owner:CHINA NAT SEED GRP

Recombinant nucleic fragment RecCR010374 and detection primer and application thereof

The invention relates to the molecular biology and specifically discloses a rice blast-resistant recombinant nucleic fragment RecCR010374 and a detection primer and application thereof. The invention further provides a method based on a whole genome selective breeding technology for selectively breeding rice plants comprising the rice blast-resistant genome recombinant nucleic fragment, a target genome segment is introduced into an acceptor material, and background recovery is achieved at the same time. Zhongzhonghui 629 is used as the improved acceptor material and is a strong broad-spectrum restoring line with a high yield and high quality. Through the method, the rice blast resistance of the Zhongzhonghui 629 can be greatly improved under the condition that the original advantages of the Zhongzhonghui 629 are reserved. Furthermore, the rice blast resistance of hybrids is greatly improved through combination. The genome recombinant nucleic fragment provided by the invention is closely related to the rice blast resistance and can be used as a resistance resource to be applied to cultivation of other varieties.
Owner:CHINA NAT SEED GRP
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