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Dependency semantic-based Chinese unsupervised open entity relationship extraction method
ActiveCN107291687AAvoid the disadvantages of location restrictionsComprehensive resultsSemantic analysisSpecial data processing applicationsComputation complexityNamed-entity recognition
The invention relates to a dependency semantic-based Chinese unsupervised open entity relationship extraction method. The method comprises the following steps of preprocessing an input text: performing Chinese word segmentation, part-of-speech tagging and dependency grammar analysis on the input text; performing named entity identification on the input text; arbitrarily selecting two entities from identified entities to form candidate entity pairs; searching for a dependency path between two entities in the candidate entity pairs; and analyzing whether a syntactic structure mapped by the dependency path is matched with a normal form of a dependency semantic normal form set or not, if yes, extracting words or phrases from the residual part of the input text according to the matched normal form to serve as relational words, forming a relational triple by the extracted relational words and the candidate entity pairs, and if not, performing normal form matching of a next group of the candidate entity pairs; and outputting the relational triple. Compared with the prior art, the method has the advantages that the calculation complexity is low; the extraction efficiency is high; distance position limitation is overcome; a simple sentence also can be extracted and the like.
Owner:TONGJI UNIV
Search method and device based on search recommended words
InactiveCN103544267AImprove recall abilityImprove timelinessSpecial data processing applicationsIndex term
Owner:BEIJING QIHOO TECH CO LTD +1
Related resource address push method and device based on video retrieval
The invention discloses a related resource address push method and device based on video retrieval. The related resource address push method and device based on the video retrieval comprises the steps of obtaining the characteristic text information of first video resource data when the loading or playing requests of the first video resource data are received, mapping the characteristic text information as one or more first participles, searching related second participles having the co-occurrence rate with the one or more first participles higher than a preset threshold value, wherein the co-occurrence rate is the possibility of the current one or more first participles and the second participles emerge together in identical video resource data, obtaining the network chained addresses of the second video resource data matched with the one or more fist participles and the related second participles, and pushing the network chained addresses of the second video resource data. The related resource address push method and device based on the video retrieval achieves the purpose of delving resources of good quality in a video database deeply, and improves delving efficiency of the resources. In addition, an index table can be enlarged continuously along with the accumulation of the video content of the internet, and the fact that a recall rate is facilitated is enlarged.
Owner:BEIJING QIHOO TECH CO LTD
Special organic fertilizer for solanaceous fruit organic vegetables and preparing method thereof
InactiveCN101734959AStrong targetingNo pollutionBio-organic fraction processingOrganic fertiliser preparationDecompositionHazardous substance
The invention relates to a special organic fertilizer for solanaceous fruit organic vegetables and a preparing method thereof. The organic fertilizer is prepared from the following components in parts by weight: 250-400 parts of furfural, 300-450 parts of cotton seed hulls, 150-250 parts of weathered coal, 50-150 parts of grouts and 10-20 parts of microorganism fermentation strains. According to the nutrient requirement of the solanaceous fruit vegetable and the nutrient content of various organic matters, the special organic fertilizer is prepared from different organic raw materials through mixing and fermentation, has strong pertinence, and is free from harmful substances. According to the difficulty degree of the fermentation and decomposition of various raw materials, the fermentation and rotten are carried out by sections, therefore, the nutrient release time in the final product satisfies the absorbing requirements of the solanaceous fruit vegetables, the vegetable is strong in the time of infertility, and has high yield and good quality.
Owner:SHANDONG GUANGDA FERTILIZER INDAL TECHCO
Planting method capable of increasing sugar content of Hylocereus undulatus Britt
InactiveCN105494012AGrow fastFast fruitingBiocideBio-organic fraction processingEconomic benefitsOrganic fluid
The invention discloses a planting method capable of increasing the sugar content of Hylocereus undulatus Britt. The planting method is characterized by comprising the steps of field selection, seedling growing, field planting, trimming and shaping, nutrient and water management, orchard management and pest control and prevention. According to the planting method, a bio-organic fertilizer and an active organic liquid fertilizer containing sugar are applied to the roots, the blade surfaces and fruits of Hylocereus undulatus Britt trees, so that the sugar content of the Hylocereus undulatus Britt is increased, the Hylocereus undulatus Britt tastes sweeter, the taste is enhanced, the fruit quality is improved, and then the current problem that the sugar content of the Hylocereus undulatus Britt is lower is solved. Besides, botanical insecticide and botanical insecticide deinsectization technologies are adopted, a better insecticidal effect is realized while the nutrient is guaranteed, and the economic benefit is very remarkable.
Owner:广西绿希望农业发展有限公司
Pedestrian detection method based on HOG and D-S evidence theory multi-information fusion
ActiveCN105335701AComprehensive resultsImprove accuracyCharacter and pattern recognitionKalman filterHistory of use
Provided is a pedestrian detection method based on HOG and D-S evidence theory multi-information fusion. The method is characterized by carrying out gray conversion on an original video frame image; then, carrying out detection on the converted image by utilizing a classifier based on HOG features to obtain a preliminary pedestrian detection result; based on the result, judging whether a region is supposed to have a pedestrian, but the region is not detected through an inter-frame relation matrix; then, detecting the region by utilizing a classifier based on LBP features to make up for the loss due to HOG features; and if the region is not detected under such condition, carrying out predication by utilizing historical data, that is, the data obtained through the inter-frame relation matrix, and by utilizing a Kalman filter to obtain the position of the pedestrian target, and enhancing accuracy of judgment by utilizing the D-S evidence theory and through fusion of multiple information of detection and tracking and the like. The method can detect the corresponding pedestrians accurately, and has a good effect under the condition of having partial shielding; and accuracy, robustness and anti-interference capability of pedestrian detection are enhanced.
Owner:安徽中科星驰自动驾驶技术有限公司
Method and device for generating search suggestion words
InactiveCN103544266AImprove recall abilityImprove timelinessText database indexingSpecial data processing applicationsNatural language processingArtificial intelligence
The invention discloses a method and a device for generating search suggestion words. The method includes receiving a search character string; mapping the search character string into one or a plurality of first word segments; acquiring one or a plurality of associated second word segments associated with the first word segments; combining the first word segments with the second word segments to form one or a plurality of search suggestion words. The method and the device have the advantage that recall ability and the timeliness of a suggestion system can be improved.
Owner:BEIJING QIHOO TECH CO LTD +1
Interactive user interface for collecting and processing nomenclature and placement metrics for website design
ActiveUS20080126175A1Easy to refineEasy to processMarket predictionsNatural language data processingWeb siteDrag and drop
Computer implemented methods for conducting interactive surveys that define aspects of a web page, is disclosed. One method includes generating an interactive survey user interface (UI), where the interactive survey UI provides a plurality of selectable nomenclature items for a plurality of page objects of the web page. Then, enabling selection of one nomenclature item from the plurality of selectable nomenclature items. A drag and drop operation enables the selection of the one nomenclature item and dragging to the one of the plurality of page objects to define a placement for the one nomenclature item. The selection of the one nomenclature item and the defined placement is received to build metrics from multiple survey participants, where the metrics are used to define recommendation for rendering the plurality of page objects on the web page. The recommendations identify nomenclature and placement of page objects for the design of the web page.
Owner:R2 SOLUTIONS
Interactive user interface for collecting and processing nomenclature and placement metrics for website design
ActiveUS8126766B2Good refine and process dataComprehensive resultsMarket predictionsNatural language data processingDrag and dropWebsite design
Owner:R2 SOLUTIONS
Agricultural greenhouse film with high light conversion rate, and making method thereof
InactiveCN104108215AIncrease the intensity of photosynthesisGrow fastSynthetic resin layered productsLaminationRare-earth elementAgricultural engineering
The invention discloses an agricultural greenhouse film with a high light conversion rate, and a making method thereof, and relates to the technical field of greenhouse film production. The agricultural greenhouse film is composed of an external layer film, a middle layer film and an internal layer film. The making method of the agricultural greenhouse film comprises the following steps: respectively weighing raw materials of the external layer film, the middle layer film and the internal layer film, fully and uniformly mixing the raw materials, adding the obtained mixture to a three-layer co-extrusion film blowing machine, heating, extruding, blow-molding, carrying out upper traction, carrying out lower traction, and reeling to form the agricultural greenhouse film. Organic rare earth elements are added to the greenhouse film made in the invention, so the photosynthesis intensity of crops is obviously improved, the crops have the characteristics of fast growth, good fructification, many products, precocity, yield increase and good quality, and the problems of likely mist droplets, low light transmittance, poor oxidation resistance and short service life of general greenhouse films are solved.
Owner:ANHUI CHAOHU SOUTH MEMBRANE IND
Diversified expansion method of keyword
ActiveCN103744956AComprehensive resultsFull coverageWeb data indexingSpecial data processing applicationsHyperlinkWeb page categorization
The invention relates to a method assisted for searching network information. Through the method, diversified expansion of a keyword can be realized; the method can be embedded into a plurality of web information service systems; the method is based on a simple webpage preprocessing and organizing mechanism; the method is capable of obtaining a diversified expansion word set in different ranges of the keywords, building an index network based on webpage classification according to a hyperlink of an internet and realizing diversified expansion of the keyword based on the built index network; and even if a user did not inquire the keyword or the field before, the expansion still can recommend most possible query semantics of the user.
Owner:TONGJI UNIV
Primers for detecting plurality of newborn inherited metabolic disease causing genes and kit
ActiveCN105177160AQuick screeningConducive to screeningMicrobiological testing/measurementDNA/RNA fragmentationBiotechnologyExon intron
The invention discloses a design way of primers for in-vitro qualitative detection of newborn inherited metabolic disease genes. The design way comprises the following steps: (1) acquiring relevant disease-causing gene information of inherited diseases: acquiring the relevant disease-causing gene information, including gene location information and mutation site information of a plurality of inherited diseases through an OMIM (Online Mendelian Inheritance in Man) database, and acquiring exon and intron information of relevant genes from an NCBI (National Center for Biotechnology Information) database according to the obtained gene information; (2) designing primers specific to the relevant genes: designing corresponding specific primers F1 and R1 specific to an exon and an exon-intron combination area of each gene. The invention also discloses the first-round PCR (Polymerase Chain Reaction) primer sequence list of syndromic deafness, a first-round PCR primer list of G6PD genes, and a first-round PCR primer sequence list of SLC12A3 genes. The primers can be used for detecting relevant genes of 22 types of common newborn inherited diseases.
Owner:ZHEJIANG UNIV
Method and equipment for collecting entity alias
ActiveCN101499062AComprehensive resultsStrong timelinessMarketingSpecial data processing applicationsWeb search engineWeb site
The invention provides a method for collecting surname of entity, comprising: obtaining a Web object related to the entity input by the user using a Web search engine; obtaining a socialized label of the Web object from the socialized label network as a candidate surname of the entity; refining the candidate surnames so as to obtain the congregation of the surnames of the entity. The invention further claims an apparatus for collecting the surname of entity, comprising: a device for obtaining a Web object related to the entity input by the user using a Web search engine; a device for obtaining a socialized label of the Web object from the socialized label network as a candidate surname of the entity; and a device for refining the candidate surnames so as to obtain the congregation of the surnames of the entity. According to the invention, the surname of the entity can be automatically and rapidly collected for any given entity by obtaining a large quantity of Web objects and socialized labels thereof.
Owner:RAKUTEN GRP INC
Pesticide application method for improving peanut yield
InactiveCN102106225AGood systemic conductionPromote reproductive growthBiocidePlant growth regulatorsWater basedDisease
The invention discloses a pesticide application method for improving peanut yield. The method comprises the following steps: (1) preparing pesticides; (2) uniformly mixing a pesticide A, a pesticide B and water based on a weight ratio of (52-58):(245-255):(72,000-78,000), and spraying the pesticides to leaf surfaces for the first time in the initial bloom stage of peanuts; (3) uniformly mixing the pesticide A, the pesticide B, a pesticide C and water based on the weight ratio of (53-57):(248-252):(18-22):(12,000-18,000), and spraying the pesticides to the leaf surfaces for the second time in a pegging stage of the peanuts; and (4) uniformly mixing the pesticide A, the pesticide B and the water based on the weight ratio of (54-56):(24-26):(13,000-17,000), spraying the pesticide to the leaf surface for the third time 15 to 20 days before the peanuts are harvested. In the method, multiple pesticide groups are adopted in the whole peanut growing period, and can be crossly and repeatedly used, so that various diseases of the peanuts can be effectively prevented and controlled, trace elements required in each growing stage of the peanuts can be fulfilled, the peanuts have more fruits with plump grains, and premature decay of the peanuts in the later stage can be effectively prevented. Furthermore, the vigorous growth can be effectively controlled, the fruit setting percentage of the peanuts can be improved, and the yield is improved by 40 percent.
Owner:孙看长
Equipment, system and method for automatic detection of interference
ActiveCN104754597AReal-time detectabilityReal-time analysisWireless communicationAutomatic testingOperational maintenance
The present invention provides a method for the automatic detection of interference, which comprises: an eNB (evolved Node B) measures an IOT (Interference over Thermal noise) in real time, identifies the source of an interference signal according to the measured IOT, and sends the measured IOT and the obtained source of the interference signal to an OMC (Operation and Maintenance Center); and the OMC receives the measured IOT and the obtained source of the interference signal sent by the eNB, and determines the type of the interference signal according to the received IOT and the source of the interference signal. The present invention also provides equipment and system for the automatic detection of the interference.
Owner:CHINA MOBILE GROUP JIANGSU +1
Comb-shaped fence wall tree shape of pear tree and shaping method of shape
ActiveCN107278786ALittle difference in qualityIncrease productionCultivating equipmentsFruit treeMain branch
The invention belongs to the technical field of pomology, and relates to a comb-shaped fence wall tree shape of a pear tree and a shaping method of the shape. The total height of the pear tree does not exceed 3.5 m, the height of the central trunk of the pear tree is 0.3-0.4 m, two main branches are arranged on the two sides of the central trunk and are 1.5 m long, the included angle of the base part of each main branch and the horizontal direction is 30 degrees, the front end of each main branch is in a horizontal state, a plurality of straight fruiting branches are arranged on each main branch and spread on the main branch in a combtooth-shaped mode, and the distance between the fruiting branches is 0.3 m. By means of the tree shape, the plane fruiting of the shed-frame-shaped pear tree is changed into the compact type three-dimensional fruiting, the tree bears more fruits, the quality differences of fruits at different positions are small, and the yield is higher.
Owner:ZHENGZHOU FRUIT RES INST CHINESE ACADEMY OF AGRI SCI
Method for introducing, domesticating and cultivating superior high-yield seedling of mountain area precious wild thorn
InactiveCN1806525AComprehensive resultsIncrease productionSeed and root treatmentPlant phenotype modificationMedicinal herbsDisease
The invention discloses a technology for introducing and cultivating a wild rare Rosa roxburghii, replanting it from mountain of Chuan-Qian boundary to plain of inland, choosing out high quality of strain through strain choice and individual choice, then double-cropping, breeding, double-choosing and double-cropping again to cultivate out parent seed of big size, high quality and strong disease resistance for application in field. The wild Rosa roxburghii is a rare bush fruit containing 16 amino acid and various vitamin and sugar, comprising functions of anticancer, anti-phlogistic, anti-senescence and ray-proof. It is checked that the wild Rosa roxburghii possesses medical value, edible value and economical value through a large number of clinical tests.
Owner:陈运章
Method and device for providing multimedia content
InactiveCN104391871AComprehensive resultsStimulate interestWeb data indexingMetadata multimedia retrievalUser needsMedia content
The invention provides a method and a device for providing multimedia content. The method for providing the multimedia content comprises the following steps of obtaining a key word; obtaining a display list, wherein the display list comprises at least one display result; according to the key word, obtaining multimedia content relevant to the key word in at least one display result; providing the multimedia content in the corresponding display result in the display list. According to the method for providing the multimedia content, rich and varied results are provided for a user, and the interest and the attention of the user are aroused. In addition, the key word is relevant to user requirements, so that the obtained multimedia content and the display results can better meet the requirements and the interests of the user and improve user experience.
Owner:BEIJING BAIDU NETCOM SCI & TECH CO LTD
Remote sensing image quality evaluation method based on phase congruency
ActiveCN104680541AOvercoming the problem of not taking band noise into accountThe result is accurateImage analysisComputer scienceNo reference
The invention discloses a remote sensing image quality evaluation method based on phase congruency, and aims to overcome the defect in the prior art that the remote sensing image quality is only represented through a single parameter. The remote sensing image quality evaluation method comprises the following steps: (1) inputting a remote sensing image to be evaluated; (2) acquiring a phase congruency value of the remote sensing image in a strip noise direction; (3) performing binarization processing on the phase congruency value; (4) acquiring a strip noise intensity matrix; (5) calculating a strip noise value; (6) acquiring ordinary noise information; (7) calculating an ordinary noise value of the remote sensing image; (8) calculating an ambiguity value of the remote sensing image; (9) acquiring a comprehensive evaluation value of the remote sensing image by using a choquet ambiguity integral; (10) outputting the comprehensive evaluation value of the remote sensing image. The remote sensing image quality evaluation method has the advantages that no reference is needed, the quality of the remote sensing image can be comprehensively evaluated, and the evaluation result can relatively well accord with subjective evaluation.
Owner:XIDIAN UNIV
Flavor evaluation method for mushroom chicken soup
InactiveCN107091907AAnalysis is objective and effective for a long timeEffective evaluationComponent separationTesting foodMonosodium glutamateCorrelation analysis
The invention provides a flavor evaluation method for mushroom chicken soup. The method comprises the following steps: stewing mushroom chicken soup; performing sensory evaluation on acquired different mushroom chicken soup samples; performing amino acid and nucleotide determination on the acquired different mushroom chicken soup samples, analyzing the content of flavor materials in the different mushroom chicken soup samples and calculating the equivalent value of aginomoto; performing correlation analysis on data of the acquired different chicken soup sensory evaluation and the analysis for the content of flavor materials with PLS (Partial Least Squares) and comprehensively analyzing the flavor of the chicken soup samples, thereby comparing the difference of the flavors of different chicken soup. The flavor evaluation method for mushroom chicken soup provided by the invention is reasonable and comprehensive, can effectively evaluate the flavor difference of mushroom chicken soup and has important guiding significance for cooking mushroom chicken soup.
Owner:SHANGHAI INST OF TECH
Method and device for pushing online playing entry objects based on video retrieval
InactiveCN103488787AImprove digging efficiencyImprove recallWeb data indexingMetadata video data retrievalVideo retrievalObject based
The invention discloses a method and device for pushing online playing entry objects based on video retrieval. The method includes the steps that video retrieval character strings are received; the video retrieval character strings are mapped to one or more first word segments; relevant second word segments are looked up, wherein the co-occurrence rate of the second word segments and the first word segments is higher than a preset threshold value; the co-occurrence rate is the probability that the current one or more first word segments and the second word segments co-occur in same video resource data; network addresses of one or more video data resources matched with the one or more first word segments and the relevant second word segments are acquired; the entry objects for online playing the video data resources are constructed according to the network addresses of the one or more video data resources; the entry objects for online playing the one or more video data resources are pushed. According to the method and device, good resources in a video database are deeply excavated, efficiency for excavating the resources is improved, and the recall rate is beneficially increased.
Owner:BEIJING QIHOO TECH CO LTD +1
Fragrance difference comparison method for traditional Chinese medicine chicken soup
InactiveCN106950293AComprehensive resultsResult scienceComponent separationAnalysing gaseous mixturesCorrelation analysisTraditional medicine
The invention provides a fragrance difference comparison method for traditional Chinese medicine chicken soup. The method includes: 1) a step of stewing the traditional Chinese medicine chicken soup; 2) a step of performing sensory evaluation to different traditional Chinese medicine chicken soup samples; 3) a step of performing electronic nose analysis to the different traditional Chinese medicine chicken soup samples; and 4) a step of comparing and analyzing the volatile fragrance components in the different traditional Chinese medicine chicken soup samples by means of headspace solid phase micro-extraction-gas chromatography-mass spectrum combination. Through the PLSR, correlation analysis is carried out to qualitative and quantitative analysis data of the sensory evaluation and volatile fragrance components of the different chicken soup, and the fragrance of the chicken soup is further comprehensively analyzed, thereby comparing the fragrance different of the different chicken soup. The method is reasonable and comprehensive, can effectively compare the fragrance difference of the traditional Chinese medicine chicken soup, and has important guiding significance for production of the traditional Chinese medicine chicken soup.
Owner:SHANGHAI INST OF TECH
Dialect pronunciation dictionary construction method, device and equipment and readable storage medium
InactiveCN110827803AThe result is accurateComprehensive resultsSpeech recognitionNatural language processingEngineering
Owner:SPEAKIN TECH CO LTD
FADEC software safety analysis method and device
InactiveCN109522718AComprehensive security analysisComprehensive resultsSoftware testing/debuggingPlatform integrity maintainanceAnalysis methodComputer science
The embodiment of the invention provides a FADEC software safety analysis method and device. The method comprises the following steps: analyzing the FADEC software based on the FHA method to obtain the high-level dangerous event and the high-level dangerous event safety requirements of the FADEC software; Based on FTA method, according to the safety requirements of high-level hazard events and high-level hazard events, the safety requirements of middle-level hazard events, bottom-level hazard events, middle-level hazard events and bottom-level hazard events of FADEC software are obtained, andconstructing the fault tree. The AND-gate events in the fault tree are analyzed based on the CMA method. If all AND-gate events in the fault tree satisfy the preset independence requirement, anayzlingthe hazardous events in the bottom layer based on the FMEA method. According to the analysis results of each bottom hazard event, judging whether the FADEC software meets the preset security requirements. The embodiment of the invention is more comprehensive to the safety analysis of the FADEC software, and the result is more accurate.
Owner:BEIHANG UNIV
Method for distinguishing chicken base
InactiveCN104237403AComprehensive resultsThe result of the distinction is reasonableComponent separationChemistryVolatile flavor
The invention discloses a method for distinguishing chicken base. The method comprises the following steps: firstly preparing the chicken base by adopting chicken protein enzymatic hydrolysate through maillard reaction, acquiring and analyzing volatile flavor matters in the chicken base by utilizing a headspace gas chromatography-mass spectrometer, distinguishing the chicken base by virtue of PCA-HCA (main component-clustering analysis), and distinguishing the chicken base in a sense organ evaluation method. The method for distinguishing the chicken base is comprehensive, reasonable and capable of effectively distinguishing the chicken base.
Owner:SHANGHAI INSTITUTE OF TECHNOLOGY
Peanut continuous cropping high-yielding agent
InactiveCN103787755AImprove the nutritional environmentStrong plantFertilizer mixturesContinuous croppingPlant nodule
The invention discloses a peanut continuous cropping high-yielding agent, relating to a peanut continuous cropping disease-resistant high-yielding technology. The peanut continuous cropping high-yielding agent comprises the following components in percentage by weight: 30-40 percent of humic acid, 25-35 percent of grass carbon, 10-20 percent of calcium sulfate, 5-8 percent of magnesium sulfate, 3-5 percent of zinc sulfate, 3-5 percent of manganese sulfate, 5-8 percent of ferrous sulfate, 3-5 percent of borax, 1-2 percent of rare earth nitrate, 0.1-1.5 percent of ammonium molybdate, 0.5-3 percent of Chinese azalea flower, 0.5-3 percent of marigold, 0.3-1.5 percent of ningnanmycin (8 percent in concentration), 1-2 percent of verticillium chlamydosporium and 1-2 percent of bacillus subtilis. The peanut continuous cropping high-yielding agent has the advantages that by comprehensively applying organic matters, cellulose, humic acid, trace elements, soil conditioners and root nodule growth nitrogen fixation agents, soil is improved, nutrients are balanced, the fertilizer effect is improved, the soil environment is improved, and a good soil-fertilizer condition is provided for the healthy growth of peanuts. Meanwhile, by applying the Chinese azalea flower and the marigold serving organic insecticides, the ningnanmycin serving as a bactericide, the verticillium chlamydosporium agent serving as a buster of threadworms and the bacillus subtilis serving as a microbial agent, insect pests are killed, diseases are eliminated, a growing and breeding environment for soil beneficial bacteria is established, the flora advantage of the soil is improved, peanut plants are robust, and high continuous cropping yield is achieved.
Owner:山东省雅尚名品家居有限公司
Scaled-down comprehensive test device for testing and researching safety of nuclear power station
PendingCN108010592AEasy dischargeWide range of parametersNuclear energy generationNuclear monitoringVacuum pumpingNuclear engineering
The invention discloses a scaled-down comprehensive test device for testing and researching safety of a nuclear power station. The scaled-down comprehensive test device comprises a test case main body, a steam supplying system, a helium charging system, a cooling water supplying system, a condensate water recovery system, a cooling water collection system, a circulation cooling water system, an air compressing and vacuum pumping system, a measurement and control system and an electrical system.
Owner:STATE NUCLEAR HUAQING BEIJING NUCLEAR POWER TECH R & D CENT
Five-layer coextrusion greenhouse film with functions of high dustproofing and long-lasting light conversion and preparation method
ActiveCN109588160AWith the function of dripping and defoggingWith light switching functionAgricultural articlesClimate change adaptationMasterbatchGreenhouse
The invention belongs to the technical field of agricultural film preparation, and particularly relates to a five-layer coextrusion greenhouse film with functions of high dustproofing and long-lastinglight conversion and a preparation method. The five-layer coextrusion greenhouse film with the with the functions of high dustproofing and long-lasting light conversion comprises an outer layer, a secondary outer layer, a middle layer, a secondary inner layer and an inner layer, wherein the outer layer and the secondary outer layer are dripping layers of the greenhouse film, the middle layer is an insulating layer of the greenhouse film, and the inner layer and the secondary inner layer are longevity layers of the greenhouse film; light conversion masterbatch is added to the secondary inner layer, and dustproof masterbatch is added to the inner layer. The five-layer coextrusion greenhouse film with functions of high dustproofing and long-lasting light conversion has a dripping function, alight conversion function and a dustproof function; the preparation method is scientific, reasonable, simple and feasible; Crops in a greenhouse covered with the five-layer coextrusion greenhouse film with the functions of high dustproofing and long-lasting light conversion have the advantages of fast growth, good fruit setting, multiple fruits, high stress resistance, early maturity, increased yield and good quality.
Owner:SHANDONG QINGTIAN PLASTIC IND
High-position multi-point debarking method of winter jujube tree
InactiveCN102388780AResult impactGrowth impactCultivating equipmentsHorticulture methodsDiseaseMain branch
The invention discloses a high-position multi-point debarking method of a winter jujube tree, which is characterized in that the 3-5 vigorous main branches or the vigorous large fruit branches and the central trunk of the winter jujube tree which grows for 3-12 years are selected and debarked at multiple points, the debarking positions are at smooth positions which are 10-30cm far away from the stem base growing point of the winter jujube tree, 1-3 main branches per tree are not debarked to foster a tree body, nourish roots and strengthen the tree, and the problem that the tree dies because the trunk is improperly debarked can be effectively prevented. The width of each debarked opening is 0.8-1.0cm and 10-15ppm gibberellin is sprayed for 1-2 times within 1-7 days after debarking. The method disclosed by the invention has the advantages that the crown is formed rapidly, the tree can step into a fruiting period very rapidly after debarking, the tree body growth well, the tree is vigorous, the disease resistance is strong, the yield is increased very rapidly, the tree can step into a full fruiting period, the average yield per mu can reach 1250kg, the production value per mu is more than 1.5 times higher than the production value per mu of the traditional method and the benefit is very remarkable. At present, the application area in our county is more than 40 thousand mu. In consideration of the remarkable effectiveness of the method, we are energetically popularizing and applying the method.
Owner:天津农垦津港有限公司
Wireless personal digital assistant (PDA) and database-based experiment evaluation system and method
InactiveCN101950391AConsistent evaluation criteriaThe experimental evaluation is comprehensive and considerableForecastingWireless routerTechnical standard
The invention relates to a wireless personal digital assistant (PDA) and database-based experiment evaluation system. The system comprises a background server, a wireless router, a card swiping subsystem and a client consisting of a local area network (LAN) PC, a plurality of campus network (CN) PCs and a wireless PDA, wherein the background server, the LAN PC, a card swiping PC and the wireless router are connected to the experiment centre LAN; an IC card reader is connected to the card swiping PC through a USB interface; the CN PCs are connected with the CN; and the experiment centre LAN is connected with the CN. A wireless PDA and database-based experiment evaluation method comprises the following steps of: swiping cards by students, logging on to a WWW server, querying student information, selecting a student and an experiment project, querying evaluation standard information, estimating experiment and the like. With an evaluation standard, the system and the method have the advantages of strictness and consistency, more comprehensive evaluation indexes, convenient arrangement of experiment results and the like, and create conditions for the complete opening of the laboratory.
Owner:TSINGHUA UNIV
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