102results about How to "Reduce selection cost" patented technology

The invention belongs to the technical field of soybean molecule biology, and particularly relates to an SNP marker relevant with soybean seed oil contents, a zone, a primer and application. The SNP marker is positioned at the 43173920th site of the No.18 chromosome of a soybean, and a nucleotide of the SNP marker is A or T; a nucleotide sequence of the marker sequence is shown in SEQ ID NO.1; a marker zone is ranged from the 43163920th site to the 43183920th site of the No.18 chromosome of the soybean. The SNP marker belongs to a codominant marker, is reliable and is convenient to use, so that a great convenience is provided for performing selective breeding on varieties of high oil contents of the soybeans, and the SNP marker can be applied to auxiliary selection of the molecular markerin improvement of soybean seed oil contents as well as fine location and map-based cloning of relevant genes of seed oil contents, so that an improved progress of the soybean seed oil content characters is accelerated.

The invention belongs to the field of environment microbiology, and particularly discloses a strain of Klebsiella sp. Bacteria CGMCC13201. The bacteria can effectively degrade crude oil of oil-containing sludge, oil-containing silt in the soil polluted by the crude oil and the like. In addition, the invention also discloses a method for degrading oil stains by using the bacteria.

A transistor measuring device is an instrument that identifies polarity of each pin of transistor and various parameters. It is composed of a carry computer, a control unit, a measure interface circuit and a direct current power supply with adjustable press. computer and control unit communication interfaces are linked together; One of control unit exportation interfaces is linked with power supply control interface; The other interface of control unit is linked with inputend of interface circuit input; control unit exportation interface is linked with control unit input interface, and power supply output interface is linked with the power supply. control unit provides different voltages to the transistor pins through control unit and people can judge these pins attributes according to whether the PN stanza can transmit electric current. power supply works when people are measuring parameters. computer adopts a normal personal computer and control unit chooses a low cost, small volume chip. Moreover,the situation that computer is linked with control unit through a main line of USB makes the invention more popular.

The invention provides a preparation method and application of a fluorescence-MRI (Magnetic Resonance Imaging) dual-mode image probe, and particularly relates to a dual-mode image probe which combines a fluorescent nanoparticle and a paramagnetic contrast agent and a preparation method thereof, belonging to the field of functional materials. The main process of the method comprises the following step of: removing residues and moisture through dialysis and freeze-drying by taking an amino compound as a surface passivation agent and a gadolinium-based complex as a carbon source material and adopting a one-step forming method to obtain a fluorescence-MRI dual-mode gadolinium-doped carbon quantum dot. The method provided by the invention ahs the characteristics of simple process, low cost and easiness for large-scale production. The fluorescence-MRI dual-mode gadolinium-doped carbon quantum dot prepared through the method has the excellent characteristics of higher fluorescent property, higher relaxation efficiency, good biocompatibility and the like, is successfully applied to in-vitro live cell fluorescence imaging and in-vivo magnetic resonance imaging; the fluorescence-MRI dual-mode gadolinium-doped carbon quantum dot synthesized through the method is about to have wide application prospect in the field of biomedicine.

The present invention relates to a system and method for providing a mobile communication network in a vehicle. The system comprises a master control module, a wireless network module and a mobile communication module connecting the master control module with the wireless network module, wherein the master module is used to send an instruction to create a link to the mobile communication module; the mobile communication module is used to establish a long connection with a target server after receiving the instruction to create a link, to keep a real-time mobile communication network link with the target server; and the wireless network module is used to establish a wireless local area network link in a vehicle with a mobile terminal according to a local area network link request of the mobile terminal in the vehicle, and to provide a mobile communication network for the mobile terminal by the connection with the mobile communication module. By means of the technical solution of the present invention, choice costs of the master control module may be reduced, and the problem of delay of data communication with the target server due to the fact that the first wake-up time is too long may be avoided.

The invention provides an online document content editing method and device, a storage medium and an electronic device. The method comprises: receiving a selection instruction for target content in anonline document, and determining the target type of the target content; calling a target editing control set corresponding to the target type, and displaying the target editing control set; and receiving an editing instruction in the at least one target editing control set, and editing the online document according to the editing instruction. According to the method and the device, different editing control sets can be popped up for different types of contents; Therefore, the selection cost of the editing user is reduced, so that the editing user does not need to select a certain number of effective editing controls for editing the current content in a huge toolbar, the learning cost and the operation cost of the editing controls can be effectively reduced, and the editing efficiency is improved.

The invention discloses a method for preparing lithium titanate (Li4Ti5O12) with a large specific area. The method includes using titanic acid H2TiO3, H4Ti5O12 or H2Ti2O5 as a titanium source, adding the titanic acid into 2-20M of soluble lithium salt aquatic liquor, and leading the titanic acid and the lithium salt liquor to be sufficiently mixed under the water bath and vacuum condition with the temperature ranging from 60 DEG C to 100 DEG C; and placing the mixed reactant liquid in a hydrothermal kettle, realizing hydrothermal reaction for 1 to 12 hours at the temperature ranging from 120 DEG C to 220 DEG C, taking out a reaction product, filtering the reaction product and obtaining the target object Li4Ti5O12. The specific surface area of the lithium titanate product ranges from 50m2 / g to 220m2 / g, the Li4Ti5O12 has the advantages of large specific surface area and excellent lithium battery performance, and a process of the method is environment-friendly, is low in energy consumption and applicable to industrial application, and the like.

The invention belongs to the technical field of soybean molecular biology and particularly relates to a SNP (Single Nucleotide Polymorphism) marker relative to a soybean seed methionine content as well as an interval, a primer and application of the SNP marker. The SNP marker is positioned 3233657 locus of chromosome No.10 of soybean, and nucleotide marked by the molecule is G or A; the nucleotidecontaining the mark sequence is shown as SEQ ID NO. 1; and the marker interval is an interval from 3233657 locus to -3243657 locus of the chromosome No.10 of the soybean. The SNP marker belongs to adominant marker, is reliable, is convenient to use, provides very great convenience to soybean high methionine content strain breeding, can be applied to molecular marker-assisted selection in soybeanseed methionine content improvement as well as fine mapping and map-based cloning of genes relative to the seed methionine content and thus accelerates the improvement process of the soybean seed methionine content character.

The invention discloses an online transaction method and an online transaction system. The method comprises the following steps: establishing a time state database for indicating whether each time period with a certain time interval in a certain future time period of a labor service party is labor service time to be sold thereof or not on a network business platform; receiving a reservation request sent by a buyer by using a network server; counting the service starting time and service required time duration of the labor service in the reservation request; and matching the time state database to judge whether the labor party has enough time to finish the labor service included in the reservation request. Due to the adoption of the online transaction method and the online transaction system, the buyer can select and reserve needed labor service according to the available time of the labor party, and the problem of high cost on communication between two parties since each buyer needs to inquire the available time of the labor party before reserving the labor service in the conventional transaction mode is solved.

The invention provides a clutch reset device of a knotter of a pick-up type square-bale bale press. The clutch reset device comprises a reset plate 4, a clutch claw 6 and a reset cam 7, wherein a clutch claw reset spring 11 and a clutch roller 8 are arranged on the clutch claw 6, the clutch roller 8 and a binding chain wheel collision block 9 arranged on the inner side of a binding chain wheel 10 are in a separation / meshed state when the clutch reset plate 4 and the clutch claw 6 keep contact / separation. The reset cam 7 rotates under driving of a spindle of the knottter and touches a reset roller 5 arranged on the clutch reset plate 4 to lead the clutch reset plate 4 reset to be in the contact state. A spring reset device is arranged at the top end of the reset plate 4. The clutch reset device has the advantages that when a knotting mechanism does not work, the spring reset device supports the clutch claw, and the clutch roller is separated from a binding chain wheel stop block; and the friction times of the clutch roller and the binding chain wheel stop block are effectively controlled and service lives of machine parts are prolonged.

The invention belongs to the technical field of soybean molecule biology, and particularly relates to a molecular marker relevant with soybean seed oil contents, a zone, a primer and application. TheSNP marker is positioned at the 9763969th site of the No.10 chromosome of a soybean, and a nucleotide of the molecular marker is C or T; a nucleotide sequence containing the marker sequence is shown in SEQ ID NO.1; a marker zone is ranged from the 9753969th site to the 9773969th site of the No.10 chromosome of the soybean. The SNP marker belongs to a codominant marker, is reliable and is convenient to use, so that a great convenience is provided for performing selective breeding on varieties of high oil contents of the soybeans, and the molecular marker can be applied to auxiliary selection ofthe molecular marker in improvement of soybean seed oil contents as well as fine location and map-based cloning of relevant genes of seed oil contents, so that an improved progress of the soybean seed oil content characters is accelerated.

The invention provides a job seeker and recruitment post matching degree calculation method and device, and the method comprises the steps: obtaining the job seeking information of a job seeker, and obtaining the post information of a recruitment post; comparing a first type of preset job hunting information in the job hunting information with the post information to judge whether to recommend therecruitment post to the job hunter or not; if so, comparing the second type of preset job hunting information in the job hunting information with the post information to calculate the matching degreeof the job hunter and the recruitment post. By calculating the matching degree between the job seeker and the recruitment post, accurate docking between the recruitment post and the job seeker can berealized, the information pairing efficiency is improved, and the information selection cost of the job seeker and the recruiter is reduced.

The invention discloses a nozzle machining technology which comprises the following steps of (A) workblank forging, (B) heat treatment and (C) machining in sequence. According to the step (A), the workblank is made of steel of the number 45, the forging temperature ranges from 875 DEG C to 1025 DEG C, and a reverberating furnace is adopted as a forging heat source. According to the step (B), quenching and tempering carried out after quenching are included. The technology is simple, the materials which are low in cost and convenient to obtain are selected through the technology, and a nozzle which meets the strength requirement can be obtained through the reasonable technology; compared with the prior art, the production cost of the nozzle is reduced, and the machining quality of the nozzle is improved.

The invention discloses an on-line upgrading control method and a home appliance system. The home appliance system comprises a functional component connected with an external memory. The on-line upgrading control method comprises the following steps: the server is inquired whether there is an available software update of the functional component; if so, the available software updates are downloaded to the external memory, and the original software of the functional component is backed up to the external memory; and available software updates are obtained from an external memory and updating the functional components to be updated with the available software updates when the functional components to be updated are idle or the home appliance system is restarted. As such, when a software update is available for that home appliance system, the software version is automatically downloaded and updated, and the downloaded usable software updates and the original software are stored in an external memory. On the premise of ensuring that the software upgrades can be rolled back, the modification of each piece of electronic control hardware of the household appliance system is reduced, and the master control chip with larger storage space need not be replaced, so as to reduce the type selection cost of the master control chip.

The invention provides a zero-finding device for the limiting turntable of an airport runway foreign matter detection system. A limiting disc is arranged on the motor rotating shaft of a limiting turntable. A positioning ring and the limiting disc are absolutely coaxially and fixedly mounted. The positioning ring is not rotated along with the limiting turntable. The limiting disc is provided with a zero-finding start bit light slit and a zero-finding bit light slit along the radial direction of the limiting disc according to the zero-finding direction of the limiting turntable during the start-up process. A photoelectric switch is accurately positioned at a mechanical home position of the positioning ring and is maintained stationary. In this way, during the rotation of the limiting disc, the zero-finding start bit light slit and the zero-finding bit light slit successively and correctly pass through the light pillar of the photoelectric switch to trigger the photoelectric switch, so that an electrical signal is generated. According to the technical scheme of the invention, the photoelectric switch is accurately positioned at the mechanical home position of the positioning ring, so that the relative assembly error during the assembling process is reduced. Meanwhile, the limiting disc is provided with light slits, and the switch is triggered based on the light permeability of the light slits. Therefore, the zero-finding positioning accuracy is greatly improved. At the same time, the selection cost of the photoelectric switch is lowered.

The invention relates to the technical field of head-up display, in particular to a head-up display system utilizing a transparent nano-film for imaging display, and particularly provides a head-up display system capable of eliminating the defects of redness, yellowness and the like of a head-up display image. The head-up display system comprises a projection light source, laminated glass and a transparent nano film, the transparent nano film comprises at least one laminated structure of a high refractive index layer and a low refractive index layer which are sequentially deposited outwards from the surface of an inner glass plate, and the projection light source is used for generating P polarized light. The ratio R1 / R2 of the near-red light reflectivity R1 to the near-blue light reflectivity R2 of the laminated glass with the transparent nano film is 1.0-2.0. According to the invention, the defects of reddish color, yellow color and the like of the head-up display image can be eliminated, the head-up display image presents neutral color, the color of the head-up display image is richer so as to realize full-color display, full-color display can be realized at lower cost, and the selection cost of the projection light source is reduced.

The invention discloses a power-on method, device and system for a storage server. The power-on method comprises the steps that the current of a back-end storage unit group of the storage server which is about to be powered on is obtained; according to the current, the number of Devices of the storage unit group is determined; the number of the Devices is compared with the preset threshold number; when the number of the Devices is larger than the preset threshold number, an enable signal is sent to a switch management unit so that the switch management unit controls a preset number of switches to power the storage unit group on; after a preset time delay, the next storage unit group is controlled to be powered on till all storage unit groups are powered on. According to the power-on method, each storage unit group is powered on in sequence, that is a distributed power-on mode is adopted, the impact current can be reduced, the possibility that filtration protection is triggered is reduced to the minimum, the requirements for power supplies are reduced, the selection of the power supplies is further reduced, and the load of a power-supply distribution system is effectively relieved.

The invention relates to the technical field of tea refined processing equipment, in particular to an automatic stalk picking machine for oolong tea. Compared with the prior art, the automatic stalk picking machine for the oolong tea comprises a support, a discharging mechanism, an automatic feeding ladder, a spiral material transmitting cylinder, a first leaf and stalk separating device, a discharging vibration device, a second leaf and stalk separating device and other components; tea leaves and tea stalks in raw tea are automatically stripped by rolling of honeycomb rollers and hairbrush rollers in the first leaf and stalk separating device and the second leaf and stalk separating device, so that the tea leaves fall in the honeycomb roller, the tea stalks fall into a frame body, and further picking and separation of the tea leaves and the tea stalks are realized; the oolong tea in which the tea stalks are picked out has better color, aroma and taste; compared with a traditional manual operation mode, the automatic stalk picking machine has the advantages that working efficiency of picking is greatly improved, and the picking cost is also reduced.

The invention discloses a novel on-line continuous preparation profile control oil displacement device which comprises an incoming water decompression system, a disperse dissolution system and an automatic control system. The incoming water decompression system comprises a high-pressure end and a low-pressure end; the high-pressure end is connected with a water storage tank through a high-pressure water supply pipeline provided with an adjusting valve A; a water level indicator is arranged at the bottom of the water storage tank; the low-pressure end is composed of a centrifugal pump, a filter, an adjusting valve B and a flowmeter A which are sequentially connected through water supply pipelines; the disperse dissolution system comprises a hopper, an unloader, an airtight funnel, a powder air pipeline, a hydraulic jet device and a dissolution tank; and the automatic control system is composed of a programming module, a DCS system, an adjusting valve, frequency conversion equipment and a flowmeter. According to the novel on-line continuous preparation profile control oil displacement device, higher working condition adaptability, control stability and using safety are achieved, on-line preparation of a high concentration polymer solution is achieved, meanwhile, preparation processes for multiple aspects can be achieved, a wider system selective space is achieved accordingly, and the purpose of reducing system selective cost is achieved.

The invention belongs to the technical field of soybean molecular biology, and particularly relates to a molecular marker relevant with soybean seed methionine contents, a zone, a primer and application. The molecular marker is positioned at the 38617472th site of the No.2 chromosome of a soybean, and a nucleotide of the molecular marker is T or G; a nucleotide sequence containing the marker sequence is shown in SEQ ID NO.1; a marker zone is ranged from the 38517472th site to the 38717472th site of the No.2 chromosome of the soybean. The molecular marker belongs to a codominant marker, is reliable and is convenient to use, so that a great convenience is provided for performing selective breeding on varieties of high methionine contents of the soybeans, and the molecular marker can be applied to auxiliary selection of the molecular marker in improvement of soybean seed methionine content as well as fine location and map-based cloning of relevant genes of seed methionine content, so thatan improved progress of the soybean seed methionine content characters is accelerated.

The invention provides a motor controller and control method thereof. The motor controller comprises a control module, a drive module, a measurement module and a motor controller PCB, wherein: the measurement module measures the operating parameters of the motor, the temperature of the motor controller PCB, and the basic temperature and operating parameters of the driving module, and provides theoperating parameters of the motor, the temperature of the motor controller PCB, and the basic temperature and operating parameters of the driving module to the control module. The control module calculates the surface temperature and the node temperature of the driving module according to the operating parameters of the motor, the temperature of the motor controller PCB, and the basic temperatureand operating parameters of the driving module. The control module controls the closing and opening of the driving module according to the surface temperature and the node temperature of the driving module. The motor controller and control method thereof realize that the software dynamically adjusts the motor current threshold to realize the protection of the system, and flexible.

The invention discloses a topology redundant standby power achieving method. The method includes: detecting status information of multiple standby power units in an electrical storage device and an external power supply powering a storage system; when the electrical storage device is detected to meet a charging condition, charging the electrical storage device with the external power supply afterraising voltage of the external power supply; when the electrical storage device is detected to meet a discharging condition, powering the storage system through the electrical storage device after reducing the voltage of the electrical storage device; wherein the charging condition lies in that power of any one standby power unit is lower than a first default value and the external power supply performs normal power supply; the discharging condition lies in that the external power supply suspends power supply. By the arrangement, selection of parts is low in cost, flexible space distributionand less space occupation are achieved, voltage of the electric storage device is higher than that of the external power supply and the storage system, storage capacity of the electrical storage device is large, and demands of the system for standby power can be met. The invention correspondingly discloses a topology redundant standby power achieving system and device and a readable storage medium.

The invention relates to a motor gear identification method, in particular to a simple motor gear identification method and a device based on potential transformation technology. For a common-zero winding multi-tap motor, the voltage induction pulse of any gear of the multi-tap motor is measured, and then the pulse duty factor of the voltage induction pulse is compared with the standard pulse duty factor, so that the gear of the multi-tap motor is determined. The simple motor gear identification method and the device can be applicable to common-zero multi-gear winding motors and is used for detecting the operating state of a central air-conditioning three-gear fan coil. The motor gear identification method can be used for identifying the operating state of the motor rapidly and reliably, is easy to be implemented and is high in accuracy. Meanwhile, the gear identification is realized by utilizing the magnitude relationship of pulse duty factor of voltage induction pulses of different gears of a motor winding, only one group of gear connecting wires is adopted, the structure of the device is simplified, the cost is low, and the construction difficulty in application is reduced.

The invention relates to the field of medicine production and in particular relates to a preparation method of a lansoprazole crystal type compound. The preparation method disclosed by the invention comprises the following steps of: by taking 2-mercapto benzimidazole and 2-chloromethyl-3-methyl-4-(2,2,2-trifluoroethoxy) pyridine hydrochloride as raw materials, carrying out condensation reaction and oxidation reaction, and refining to prepare the lansoprazole crystal. In the preparation process, the preparation condition is strictly controlled; the raw materials are low in cost and easy to purchase; the raw materials are reacted to finally generate the lansoprazole crystal type compound; samples are basically invariant in related substances and contents under the condition with high temperature and high humidity; the articles are stable in property and low in overall manufacturing cost; and the preparation method of the lansoprazole crystal type compound has the advantages of strictly controlling the temperatures in the steps, being less in by-products, high in yield and non-toxic, and also has the advantages of short production period and further improving the production efficiency.

A system and method that reduces content selection cost, to commercialize the proper picture content quickly, and to reduce the cost required to research the detailed sales market. Content introduction information is sent to a contents polling apparatus, the content introduction information is displayed at a contents introduction information display. A pollee views the displayed content introduction information and enters the contents polling information for each picture content, the entered contents polling information is sent to a contents market research apparatus, which counts the sent contents polling information and generates a counted result as the output.

The invention discloses a machining technology facilitating the improvement of nozzle machining efficiency. The technology includes the following steps that (A), a blank is forged; (B), heat treatment is performed; (C), machining is performed; (D), finish machining is performed. The step (C) is performed before the step (B), in the step (A), the blank is made of 45 # steel, the forging temperature range is 875 DEG C-1025 DEG C, a reverberating furnace is adopted as a forging heat source, the step (B) includes quenching and tempering after quenching, and the step (D) is performed after the step (B). The technology is simple, material low in cost and convenient to obtain is selected, and a nozzle meeting the strength requirement can be obtained through the reasonable technology. Compared with the prior art, the technology is low in machining difficulty and beneficial to improving production efficiency of the nozzle and reducing production cost of the nozzle.

The invention discloses a fuel cell hybrid power system performance test system. The performance test system comprises a voltage regulation unit, an electronic load, a data processing unit and a power distribution unit; the voltage regulating unit and the electronic load are connected with the direct-current bus; the power distribution unit is connected with the electronic load and is used for adjusting the load output by the electronic load; the electronic load is used for simulating vehicle conditions; under the working condition of vehicle power output, the voltage regulating unit is used for regulating the output voltage to simulate the influence of the energy storage unit on the bus voltage; under the braking energy recovery working condition, the voltage regulating unit is used for changing the bus voltage to simulate the fluctuation of the bus voltage caused by braking energy and power feedback; and the data processing unit is connected with the fuel cell, the voltage regulating unit and the electronic load respectively and is used for acquiring data of the fuel cell, the voltage regulating unit and the electronic load so as to perform performance evaluation and matching test. The system has the advantages of low test cost, good test comprehensiveness, high test efficiency and the like.

The invention provides a natural gas alarm based on a NB-IoT technology. The natural gas alarm comprises an alarm electric control valve and an alarm system. The alarm system comprises a power supplymodule, a semiconductor sensor, an acousto-optical module, a NB-IoT wireless module and a microprocessor. The microprocessor compares the natural gas concentration data collected by the semiconductorsensor and the preset warning value. When the microprocessor determines that the natural gas concentration data collected by the semiconductor sensor exceeds the warning value, the acousto-optical module and the NB-IoT wireless module transmit the natural gas concentration data exceeding the warning value to a monitoring end. If the microprocessor cannot get the response from the monitoring terminal within the set time, the microprocessor sends a driving signal to the electric control valve, and the electric control valve is closed. The natural gas alarm provided by the invention has the advantages that the NB-IoT wireless module is used as a remote data transmission module, has the advantages of convenient networking and long service life, and is suitable for large-scale use; the naturalgas alarm is provided with the electric control valve which automatically blocks natural gas leakage; and the safety performance is higher.

The invention relates to the technical field of intelligent elderly care, in particular to an internet elderly care ecological circle service platform system based on the internet of things, the mobile internet and the cloud computing technology, an internet + elderly care platform and an elderly care ecological circle based on the internet of things, the mobile internet and the cloud computing technology can be established through the system, and personalized service content can be pushed to the elderly. And patrol tasks and related suggestions are generated for elderly care service personnelor community workers. According to the novel intelligent elderly care system, method and device and the storage medium, personalized one-stop intelligent services can be provided for the elderly, intelligent matching of the elderly requirements and enterprise services is achieved, and the elderly are enabled to have elderly care, have happiness and live more happy.

The invention discloses an insulation polyurethane acrylate plastic paint and a preparation method thereof. The insulation polyurethane acrylate plastic paint comprises the following components: by weight, 20-30 parts of polyurethane acrylate, 5-8 parts of a photosensitizer, 5-10 parts of a sensitizer, 10-20 parts of stabilizers, 2-3 parts of calcium sulfite, 1-2 parts of benzophenone, 2-8 parts of N,N-dimethylbenzylamine, 5-14 parts of 2-trans-3,7-dimethyl-2,6- octadiene-1-ol, 6-12 parts of dimethyl distearylammonium chloride, 1-2 parts of aluminum chloride hexahydrate, 10-12 parts of acrylonitrile-butadiene-styrene and 1-13 parts of methacrylic acid. The insulation polyurethane acrylate plastic paint has the advantages of low cost, good insulation properties, low content and low toxicity of volatile matter, low high-temperature dielectric loss, good stability and good resistance properties.