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235results about How to "Clear operation" patented technology

Device and method for tissue retraction in spinal surgery

InactiveUS20090076516A1Maintaining soft tissue retractionLess manipulationProsthesisBone platesSpinal columnIntervertebral space
The invention relates to a system and methods for retracting soft tissue during spinal repair or reconstruction procedures, particularly procedures within intervertebral sites of degenerated discs and associated neural compression. A retractor system includes an implantable bone plate, two or more retractor blades, the bone plate and retractor blades being mutually engageable; and a mechanism to adjust the retractor blade relative to the bone plate. In some embodiments, the retractor system may be applied to span more than one intervertebral space. An implanted retractor system provides an aperture for a clear operating field, and protects collateral tissue. A method for retracting soft tissue to facilitate spinal surgery includes securing a bone plate to adjacent vertebral bodies, engaging one or more retractor blades to the bone plate; and adjusting the angular position of the retractor blade relative to the bone plate so as to retract tissue lying external to the bone plate.
Owner:TRANS CORP

Coupled-fed multi-band loop antenna

The present invention is related to a coupled-fed multi-band loop antenna. The antenna comprises a dielectric substrate, a ground plane located on the dielectric substrate and has a grounding point, a radiating portion which comprise a supporter, a coupling trip and a loop strip, and a matching circuit. The coupling strip and loop strip are both located on the supporter, with the coupling strip surrounded by the loop strip. The length of loop strip is about 0.25 wavelength of the antenna's first resonant mode. The loop strip has a first end paralleling with the coupling loop, a second end and a shorting point near the second end and electrically connected to the grounding point on the ground plane. The matching circuit is on the dielectric substrate. One terminal of the matching circuit is connected to the coupling strip, and the other is connected to a signal source.
Owner:ACER INC

Mining Apparatus With Precision Navigation System

A mining apparatus includes a miner, a conveyor unit and a steering unit connecting the miner and conveyor unit. The apparatus also includes a heading sensor and a controller responsive to the heading sensor. A first actuator is carried on the miner, the control unit or the steering unit. The first actuator is positioned to a first side of a midline of the miner. Further a second actuator is carried on one of the miner, the conveyor unit and the steering unit. The second actuator is positioned to a second opposite side of the midline of the miner. The first and second actuators are utilized to adjust a connection angle between the miner and the conveyor unit either side of parallel in order to maintain the miner on the desired directional heading.
Owner:EAGLE HIGHWALL MINING SYST LLC

Terminal transmitting power adjusting method and device as well as terminal

Provided are a terminal transmission power adjustment method, device, and terminal. The method comprises: obtaining the current distance between a human body and the terminal; obtaining the power adjustment value corresponding to the distance, according to the distance, from a pre-stored correspondence table of distances and transmission power adjustment values, the distance being the distance between the human body and the terminal; adjusting the terminal transmission power according to the power adjustment value. The terminal transmission power adjustment method of the present invention adjusts the antenna power outputted by the terminal in real time according to the distance between the human body and the terminal, such that the adjusted antenna transmission power of the terminal satisfies the required SAR value, that a user is not hurt by the antenna radiation, and that the terminal operation by the user is not affected.
Owner:ZTE CORP

Vein continuous infusion intelligent controller and application method thereof

The invention relates to the field of medical instruments, in particular to a vein continuous infusion intelligent controller and an application method thereof. The technical scheme is as follows: a single machine can realize uninterrupted continuous infusion of multiple bags; according to different types of drug in each bag, the dropping speed and drug amount can be regulated; the intelligent controller can automatically rinse an infusion tube, automatically gives an alarm and closes for abnormal infusion, automatically closes after infusion is finished and notifies a central display monitor system to process. The invention changes the current situation of gravity infusion, artificial care, manual bag change and manual dropping speed control, greatly lightens the labor intensity and psychological nervousness of hospitals and patient family members, causes infusion treatment to become relaxed, safe, ordered, precise and controllable and can greatly save manpower, so that nurses have time to observe the treatment situation of patients. In addition, the invention can improve clinic drug administration efficiency, lowers treatment risk, improves vein drug administration treatment level, and improves hospital treatment level and nursing images; and furthermore, the invention has low manufacture cost and strong practicality and is favorable for popularizing and applying.
Owner:衣启武

Tie Rod Lock

ActiveUS20130313358A1Minimize backlashAvoid erratic movementAircraft stabilisationWithout power ampliicationLocking mechanismActuator
A stabilizer actuator has a first end for connecting to an aircraft support structure and a second end for connecting to a stabilizer. The actuator includes a primary load path for transmittal of loads acting on the stabilizer to the aircraft support structure, and a secondary load path for transmittal of loads acting on the stabilizer to the aircraft support structure upon failure of the primary load path. The secondary load path includes a tie rod extending along a longitudinal axis, a load path locking mechanism coupled to the tie rod, a lock housing having a central bore for receiving the locking mechanism, and at least one radially movable segment that, upon failure of the primary load path, moves radially to lock the tie rod to the lock housing against axial and / or radial movement.
Owner:PARKER INTANGIBLES LLC

Method for rapidly improving plough-layer soil of newly cultivated barren lands in southern hilly and mountainous regions

The invention discloses a method for rapidly improving plough-layer soil of newly cultivated barren lands in southern hilly and mountainous regions, belonging to the technical field of soil improvement. The method comprises the steps of cultivating the barren lands for preparation; digging latticed fertilizing and planting ditches; preparing and applying mixtures including a fertilizer and a water-retaining agent; sowing seeds of ryegrass for the first time, cradling and covering; sowing seeds of ryegrass next year, cradling and covering; and the like. The method disclosed by the invention is definite in step and simple and feasible in process, after two years continuous integrated improvement, the soil bulk density is reduced, the void fraction is increased, the level of nutritive substances such as organic matters, total nitrogen, quick-acting nitrogen, phosphorus and potassium is improved obviously, the plough-layer soil can reach a medium fertility level, and normal agricultural utilization can be carried out. The method can be popularized and applied in newly cultivated barren lands in southern hilly and mountainous regions of China.
Owner:ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES

Pile gripper for offshore piling

The invention relates to a pile gripper for offshore piling. The pile gripper for offshore piling is composed of a pile gripper mechanism system, a hydraulic system and an electrical control system. A large base is connected with a sliding base through a sliding rail. A cross beam is installed in a sliding groove of the sliding base. A lateral thrust cylinder is installed on the portion, between a deck and the sliding base, of a mounting base. A main thrust cylinder is installed on the portion, between the sliding base and the cross beam, of the mounting base. A hoop is installed at the front end of the cross beam. The left side and the right side of the front end of a hoop base are connected with a left hoop body and a right hoop body separately. The left hoop body and the right hoop body are connected with the two sides of the cross beam through hoop opening and closing cylinders correspondingly. The hoop is provided with a pile gripping and clamping mechanism. Two sets of locking mechanisms are installed at the front end of the left hoop body. The right hoop body is provided with pin holes corresponding to taper pins of the locking mechanisms. Each pile gripping cylinder is connected with a proportional valve and controlled to act by the proportional valve. A programmable logic controller (PLC) performs closed-loop control over the opening degree and direction of the proportional valves according to a feedback signal of a magnetostrictive displacement sensor, so that the pile gripping cylinders are controlled to perform pile jacking guidance on steel piles and keep guidance on the steel piles within a required range.
Owner:SHANGHAI HUNTER MARINE EQUIP CO LTD +1

Automatic wiring method of single-line diagram for transmission network on large screen for dispatching after layout in station

The invention relates to an automatic wiring method of a single-line diagram for a transmission network on a large screen for dispatching after layout in a station. The existing method of manually drawing the single-line diagram for the transmission network on the large screen for dispatching is high in strength. The method of the invention comprises the steps of firstly sequential wire arrangement and then optimized wire arrangement, wherein sequential wire arrangement comprises the steps of setting gallery width, laying out the wires from the substation, arranging the wires according to the sequence and laying out a circuit breaker primitive and auxiliary identification; optimized wire arrangement comprises the steps of removing the wires and re-laying out the wires and adjusting whole uniform wire arrangement. The method improves the wiring quality obviously, eliminates most avoidable crosses and ensures more intuitive wire arrangement.
Owner:HANGZHOU DIANZI UNIV

High-power laser wave front measuring instrument and wave front measuring method

The invention discloses a high-power laser wave front measuring instrument and a wave front measuring method, and solves the problems of single-beam laser wave front analysis and phase difference measurement of two arbitrary beams of laser in multi-beam high-power laser coherent combination. The measuring instrument comprises a mechanical shutter, a light beam sampling reflecting mirror, a laser compressing optical system, a transmission-type attenuator, a reflection-type attenuator, a Hartmann wave front analyzer, a phase difference detecting charge coupled device (CCD) camera, and a computer. When the measuring instrument works, the mechanical shutter is opened only during the wave front measurement. The measuring method includes the steps of using the Hartmann wave front analyzer for measuring the wave front of each single-beam laser and simultaneously using the phase difference detecting CCD camera for recording the light distribution of each single-beam laser; taking one single-beam laser as a reference, opening other beams of laser in sequence to interfere with the referential laser respectively; using the phase difference detecting CCD camera for measuring the light intensity of each two beams of laser after the coherent combining so as to obtain phase differences of each beam of laser relative to the referential laser; and using the Hartmann wave front analyzer for measuring the wave front of the laser after the coherent combination.
Owner:XIDIAN UNIV

Method for optimizing disaggregated model by adopting genetic algorithm

The invention discloses a method for optimizing a disaggregated model by adopting genetic algorithm. The method comprises the following steps of: 1, acquiring a training sample, wherein the acquiring process includes signal acquisition, characteristic extraction and sample acquisition; 2, selecting kernel function: radial basic function is selected as the kernel function of a disaggregated model needing to be established, and the disaggregated model is a support vector machine model; and 3, determining penalty parameter C and kernel parameter gamma: a genetic algorithm is adopted to optimize the penalty parameter C of the disaggregated model needing to be established and the kernel parameter gamma of the selected radial basic function and the optimization process includes population initialization, calculation on the fitness value of each individual in the initialized population, selection operation, interlace operation and variation operation, calculation on the fitness value of each individual in the offspring, selection operation and judgment on whether the termination condition is met. The method is reasonable in design, simple and convenient in operation, convenient to realize and good in use effect and high in practical value; the classification precision of the obtained disaggregated model is high, the training speed is high and the number of support vectors is less.
Owner:XIAN UNIV OF SCI & TECH

Well sealing method of dewatering well at bottom of foundation pit

ActiveCN104929143AOvercoming the Shortcomings of Imperfect Sealing TechnologyClear operationFoundation engineeringSealing/packingWater stopWater filter
The invention discloses a well sealing method of a dewatering well at a bottom of a foundation pit. The method comprises the following steps: a pumping test is performed for the dewatering well required to be sealed; the depth of the well is measured; a dewatering well pipe (5) is coated with a steel pipe (8) having a water stop wing (7); a waterproof plate (4) at the bottom of the foundation pit is fully welded on the steel pipe; water is pumped with high capacity or the water is pumped by putting in a water filter tank (11); a filler is arranged and compacted; a steel plate is fully welded on the water stop wing of the steel pipe; a stressed rib at the inner edge of a baseplate is connected; and concrete is poured for sealing. The well sealing method of the dewatering well at the bottom of the foundation pit, provided by the invention, overcomes the defect of incomplete well sealing technology in the foundation pit construction, proposes a well sealing scheme for specific conditions of various dewatering wells in the foundation pit engineering, is clear in operation steps, is convenient and economical, and is excellent in promotion and application values.
Owner:杭州福世德岩土科技有限公司

System and method for self-defining process

ActiveCN105404949AEnsure synchronous executionClear operationResourcesManagement processWorking environment
The invention discloses a system and method for self-defining a process. A JBPM work environment is introduced into a system operating environment, a task operation to be performed when a process triggers an event is described, and a system process model is designed according to task types of the system. Each monitoring program corresponds to a corresponding event according to tasks, and a designed process is released to the system through a process engine. Attributes of each node in the released process and path variations are configured based on requirements of the tasks, and corresponding task tools are selected in the current task operating interface when the tasks moves to some node. Roles of the nodes in the process are selected and configured, the task types are selected, defined role privileges are granted to the tasks, and the task types are enabled to correspond to the defined roles. The invention can achieve coordinated work, consistent action and controllable process of different departments of railway companies in the production management process, and is simple, clear and flexible in operation process, and high in working efficiency.
Owner:ZHUZHOU CSR TIMES ELECTRIC CO LTD

Drilling machine with arm type automatic tool changing device

The invention discloses a drilling machine with an arm type automatic tool changing device, wherein the drilling machine comprises a machine base, a work table, a motor mechanism, a rotating spindle, a machine body and an upright and further comprises the rotatable arm type automatic tool changing device, an upright lifting device, a multi-station tool changer device and an air cylinder, meanwhile, the rotating spindle is internally provided with a clamping and loosening tool linkage device, and a feed drill connected to the rotating spindle can be subjected to tool changing by the rotatable arm type automatic tool changing device and the multi-station tool changer device. The drilling machine is clear and simple in structure, is simple to operate and has high efficiency of automation, meanwhile, precision finishing is carried out by incorporating a numerical control system, so that the precision and the efficiency can be improved, in addition, the cost is greatly lowered, material resources, financial resources and labor force are saved, and the working benefit is greatly increased.
Owner:NANJING YONGYI MACHINERY

Large-tow carbon fiber and glass fiber composite preimpregnation equipment

The invention relates to large-tow carbon fiber and glass fiber composite preimpregnation equipment, which sequentially comprises a fiber bobbin cradle, a fiber sequencing device, a fiber thinning device, a traction device, a weft fabric unreeling device, a resin glue film generating device, a thermal compound compression roller device, a hot plate, a cooling plate, a shaping device and a finished product reeling device. The large-tow carbon fiber and glass fiber composite preimpregnation equipment is characterized in that the fiber thinning device comprises a motor, a transmission shaft, a crank slider mechanism and a spline shaft, large-tow carbon fibers are wound on the spline shaft in a vertically staggered manner, the spline shaft drives the large-tow carbon fibers to vibrate vertically and alternately so that the large-tow carbon fibers are thinned, the thermal compound compression roller device is provided with six groups of thermal compound compression rollers, the gap betweeneach two compression rollers is accurately reflected by two grating scales and adjusted by an adjustment positioning mechanism so that the needed gap is adjusted according to technological requirements, and the preimpregnation equipment is simple in operation, labor-saving and reliable in precision, and can be used for providing 500g / m2-1650g / m2 large-grammage glass fiber prepregs and carbon fiber prepregs for manufacturing wind energy blades.
Owner:山东国桥复合材料科技有限公司

Wireless communication signal real-time monitoring and processing method and system

ActiveCN104683984AReduce data processingImprove monitoring and processing efficiencyTransmissionSecurity arrangementComputer scienceCloud server
The invention discloses a wireless communication signal real-time monitoring and processing method and system. The system comprises the following steps: a primary test processing terminal detects abnormal signals within the detection range of the primary test processing terminal, and reports the characteristics of the abnormal signals to a legal base station / access point; a professional test processing terminal detects abnormal signals within the detection range of the professional test processing terminal, recognizes the characteristics of the detected abnormal signals, informs the legal base station / access point to carry out corresponding processing on illegal signals if the illegal signals are recognized, and reports the characteristics of the abnormal signals to the legal base station / access point if illegal signals are not recognized; the legal base station / access point recognizes the characteristics of the abnormal signals reported by the primary test processing terminal and the professional test processing terminal, carries out corresponding processing on illegal signals if the illegal signals are recognized, and reports the characteristics of the abnormal signals to a centralized cloud server if illegal signals are not recognized; the centralized cloud server recognizes the characteristics of the abnormal signals reported by the legal base station / access point, and informs the legal base station / access point to carry out corresponding processing on illegal signals if the illegal signals are recognized. The method and the system can improve the monitoring and processing efficiency of wireless communication signals.
Owner:BEIJING UNIV OF POSTS & TELECOMM +1

Fire alarm control system and control method thereof

The invention relates to a fire alarm control system and a control method thereof. The fire alarm control system comprises a host unit, a battery unit, a direct control unit and a loop unit adopting a two-bus mode, wherein the loop unit comprises a switching circuit, a pulse modulation circuit, a return code current circuit, an analog-to-digital converter and field equipment. With the adoption of the fire alarm control system and the control method thereof, the problems that numerous multi-wire transmission lines exist and have high total failure rate and longer alarm time in the prior art are solved; and a digitized and non-polarized two-bus mode which is developed independently and integrates power supply, communication, control and alarm, so that the judgment for an alarming address only requires 8 ms on the premise that the baud rate is not increased, fire alarm information can be reported simultaneously in 2 seconds even through 255 detection points upload fire alarm information in the same polling period, and accordingly, the response time of fire alarm is shortened greatly.
Owner:ZHEJIANG EIT ELECTRON

System and method for implementing integral managing user data of fixed telephone network

This invention relates to a system and a method for realizing centralized management to user data of a fixed phone net, in which, the system is to introduce a user centralized database HLR in a soft switch network to store and manage the user data of fully fixed phone net in concentration then utilizes the character of strong process ability of the soft switch and widely cover sphere to form a new fixed phone net structure, the HLR+SS overlapping network. This invention also provides a method for enlarging criterion access HLR enquiring user data by a soft switch device SS with the MAP or Diameter protocol as the basis to further trigger user related services and play a foundation for realizing separation of machine and number, opened system and multi-kind of intelligent service trigger mode and development of fixed net new service.
Owner:CHINA TELECOM CORP LTD

Intelligent control device with orientation identification function

The invention relates to an intelligent control device with orientation identification function, and the infrared way is widely applied in household devices as the main communication control way. In order to carry out the remote control on the device, a user needs to point a remote controller at the controlled device and presses a button for controlling the device. However, as the number of the household devices is increased, the number of the remote controllers is greatly increased, and the conversion among a plurality of remote controllers is very troublesome. The realization of the control, the studying and the operation of a plurality of devices is also very complicated. The intelligent control device with the orientation identification function comprises a sensor unit, wherein the sensor unit is connected with a core control unit, the core control unit is connected with a user feedback unit, the core control unit is connected with a communication unit, the core control unit is connected with a data auxiliary unit, and the intelligent control device is used in the field of electrical appliances.
Owner:李艳霞

Network bank trade system and method between enterprise and bank

The invention relates to a method of network bank trading between companies and banks. The system includes computer units in bank and company, thereinto, SAP software system is used in company for every finance personnel. Payment service credence is programmed in each client by finance personnel. The payment data is uploaded to company server by special person using eduction program through examination of relative service personnel. Payment check personnel approve payment information through WEB browser in client according to respective rights. Company payment information after approval interacts with bank service host through Internet. In charge of security server in company and bank, trade request is sent to encryption server after encryption and is sent to background to process server after unencrypted by server in bank. At last, the result is returned.
Owner:SINOPEC YANGZI PETROCHEM

Oil well response stage dividing and distinguishing method under carbon dioxide miscible displacement condition

The invention provides an oil well response stage dividing and distinguishing method under a carbon dioxide miscible displacement condition. The method comprises the steps that original carbon dioxide content Ci and original solution gas-oil ratio Rt of an oil reservoir and carbon dioxide solubility Ri under different pressure P conditions are obtained; the static pressure Px of the stratum where an oil well is located is obtained through a pressure recovery curve; the production gas oil ratio Rx and the well mouth carbon dioxide content Cx recently are monitored; the changing situation of daily output recently is analyzed; an oil well response stage dividing standard under the condition of the static pressure Px of the stratum where the oil well is located is established; the well mouth carbon dioxide content Cx, the production gas oil ratio Rx and the output changing situation are compared with the oil well response stage dividing standard to judge the current response stage of the oil well. The method is closely combined with production practice, emphasizes the objectivity and overcomes subjectivity, the scientificity is enhanced remarkably, operation procedures are clear and reasonable, and a firm theoretical basis is laid for reservoir engineering analysis and site dynamic regulation.
Owner:CHINA PETROLEUM & CHEM CORP +1

Indoor positioning system and application method thereof

The invention relates to an indoor positioning system and an application method thereof. The indoor positioning system comprises a wireless network access point or a wireless network, a positioning server and a positioning terminal, and also positioning tags, wherein the basic information of locations is pre-written in the positioning tags and the positioning tags are arranged in indoor key nodes and used for performing identification monitoring and tracking positioning on identified objects; the positioning terminal adopts a device capable of reading information, and the positioning terminal obtains position information by scanning the nearby positioning tags and transmitting the position information carried by the positioning tags to a background positioning server through the wireless network. The indoor positioning system is capable of solving the problems of poor positioning accuracy, limited application range and high construction cost of an existing indoor positioning technology and the system thereof, and also capable of meeting the requirements of practical indoor positioning work.
Owner:邹美余

Character terminal monitoring system

The invention relates a supervising system for operation picture of the character terminal user, which belongs to computer remote security supervising technology field. The system includes a network mainly made of AGENT, supervising server, User Console. The AGENT is assembled on the server of the system, which is used to gather and compress, and store the supervising data to the connected terminal, and transmit the data to the supervising server host computer with preset defined tactics; the supervising server host computer is used as the centre of the whole system, which is used to provide supervising data storage and management control; the User Console is based on WEB visible image, which is provided for user to configure the system and observe the video and management task. The invention has abilities of security system automatic supervising, recording and integral storing, and central management. It can prevent or stop the computer crime, guarantee the security of the information system.
Owner:NANJING GOLDEN EAGLE INT GROUP SOFTWARE SYST

System and method for implementing fixed network searching user integrated data base using soft exchange

This invention relates to a system and a method for utilizing soft switch to realize inquiry of user centralized database of stationary network, in which, said system is composed of a structure taking the user centralized database SHLR and intelligent service platform as two independent nodes of the service / application layer, the soft switch as the control layer, IP packet network as the loading layer and SG and TG set in each of PSTN as the access layer, said soft switch network as the overlapping network of PSTN is corresponding to a combined junction office with the SSP function independent of the local network PSTN to form a new fixed network structure by inter-connection and inter-communication of SG and TG with PSTN, a mobile network and Xiao ling tong network: SHLR+SS overlapping network. This invention also provides a method for enquiring data by SS.
Owner:GUANGDONG TELECOM ACAD OF SCI & TECH

Realization method of easy-to-use operation interface of power system erp system

The invention discloses a method for realizing an easy-to-use operation interface of an ERP system of a power system. The easy-to-use server consists of an easy-to-use development server for installing GUIXT software and an easy-to-use production server for easy-to-use script deployment and release; the GUIXT software consists of desktop software and design software; (2) User terminal Through the ERP system client terminal standard application program, the operation request is sent to the ERP server through the internal network of the power system. After the ERP server responds, the data and the original interface are returned. During the return process, the user-friendly production server makes the functional interface and data easy to use. process, and return the user-friendly operation interface to the user terminal. The invention can simplify the page operation, combine the operation steps, adjust the content of the interface screen, make the operation steps more coherent and clear, and effectively promote the further application of the ERP system.
Owner:河北省电力公司信息中心

Method and system for implementing two-dimensional and three-dimensional pointer needle utilizing infrared image sensing

The invention provides a method and a system for utilizing infrared image sensing to realize relative coordinates or absolute coordinates, as well as two-dimensional or three-dimensional pointers. The system comprises an infrared emission module and at least one infrared image sensing module which is connected with a host computer connected with a display screen. When the system is in use, an initial position of a two-dimensional or three-dimensional pointer is displayed on the display screen, and the infrared emission module in an induction zone of the infrared image sensing module sends out an infrared signal of a positioning light spot at the moment; then according to the imaging of the positioning light spot in the infrared image sensing module, the two-dimensional or three-dimensional coordinate of the of the positioning light spot is worked out; and according to the acquired coordinate data, the moving distance and moving direction of the position of the two-dimensional or three-dimensional pointer on the display screen are determined, so as to ensure that the position of the two-dimensional or three-dimensional pointer on the display screen follows the move of the infrared emission module to move in real time. The system has the advantages of convenient, natural, visual and clear operation, little mechanical wear, long life span and low cost.
Owner:张伟明

Method for improving greenhouse strawberry continuous cropping soil

InactiveCN104782261AMake up for nutrient deficiencyMake up for the imbalanceSoil-working methodsContinuous croppingGreenhouse
The invention discloses a method for improving greenhouse strawberry continuous cropping soil. The method is characterized in that after greenhouse strawberries enter the final harvesting stage, sick strawberry plants and roots of all the plants are dug away, a greenhouse is closed, and solar high-temperature disinfecting for one weak is conducted on the environment and soil in the greenhouse; after disinfecting is over, a greenhouse film is removed, unmatured organic matter is evenly scattered in the greenhouse, water is poured, the water level is close to the ridge face, and a tractor is used for rotary tillage; after rotary tillage is over, the soil face is flattened, and the water level is higher than the soil surface by 1-2 cm for about 30 days; after water flooding is conducted for 30 days, the greenhouse film covers and seals the greenhouse or after water is evaporated and the soil surface is slightly dry, an agricultural film covers the ground for sealing, processing is conducted for about 15 days, and during sealing processing, when the soil surface is dried, water supplementing needs to be conducted to keep the soil moist; after sealing processing is conducted for 15 days, the greenhouse film is removed, and soil improving is over. The method is high in systematicness, easy and convenient to operate, low in investment cost, safe and good in lasting effect.
Owner:JIANGSU ACADEMY OF AGRICULTURAL SCIENCES

Intelligent current and voltage transformer verifying unit

The invention discloses an intelligent current and voltage transformer verifying unit, comprising a current / voltage source, a check meter, a host computer CPU, and a display control interface. The current / voltage source is used for simultaneously providing a current / voltage source for a standard transformer and a detected transformer; the check meter is internally provided with a standard transformer and a verification module; the standard transformer comprises a standard current transformer and a standard voltage transformer, and simultaneously sends output signals of the standard transformer and the detected transformer to the verification module; the host computer CPU compares uploaded signals of the standard transformer and the detected transformer, obtains a ratio error and an angle error, and presets comparison parameters and displays comparison result information through the display control interface. The intelligent current and voltage transformer verifying unit integrates the standard current transformer and the standard voltage transformer, can test a routine electromagnetic current / voltage transformer as well as an analog output electronic current / voltage transformer, and overcome the disadvantage of single function of a routine check meter, and has the characteristic of simple and reasonable structure, powerful test function, and high integrated level.
Owner:NANJING JIARUISI ELECTRIC POWER TECH

Method for determining optimal picking period of capsules of paphiopedilum concolor

The invention provides a method for determining the optimal picking period of capsules of paphiopedilum concolor. The method comprises the following steps: collecting fruit pods, treating fruit pods, inoculating, observing the microstructure of seeds, carrying out statistics on sterile germination condition of the seeds, and determining the picking period. The method provided by the invention is easy and rapid to operate, the picking blindness of capsules of paphiopedilum concolor is avoided, the propagation cycle of paphiopedilum concolor is shortened, convenience is provided for conservation of paphiopedilum concolor, and reference is also provided for selection of the optimal maturity of other orchidaceae plants.
Owner:FLOWER RES INST GUANGXI ACADEMY OF AGRI SCI
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