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149results about How to "Improve promotion effect" patented technology

Perovskite thin-film photovoltaic cell and manufacturing method thereof

The invention relates to a perovskite thin-film photovoltaic cell and a manufacturing method of the perovskite thin-film photovoltaic cell. The perovskite thin-film photovoltaic cell is composed of a conducting transparent substrate, a perovskite light-absorbing layer, a hole transfer layer and a metal electrode. The perovskite thin-film photovoltaic cell has the advantages that the structure is quite simple, a traditional electron transfer layer which needs high-temperature sintering is omitted due to the fact that a perovskite material serves as the light-absorbing layer and achieves the electron transfer function, and a porous layer is not needed either; the perovskite material is high in light-absorbing performance, the whole cell is manufactured at a low temperature, the complicated processes such as high-temperature sintering are not needed, and therefore the manufacturing cost of the cell is effectively reduced; the great promotion function is achieved on the flexibility of the cell and the large-sized reel-to-reel printing manufacturing of the cell; the whole manufacturing technology of the cell is simple, the popularization of the technology is facilitated, high photoelectric converting efficiency (approximate to 14 percent) and good device stability are obtained particularly, and therefore the industrial application prospect is achieved.
Owner:WUHAN UNIV

Device, method and terminal for displaying interactive digital television portal

The invention provides a device, a method and a terminal for displaying an interactive digital television portal. The device comprises a column display module, a window display module and a recommendation display module. The column display module is used for arranging a column display area at a digital television portal navigation page and displaying a column list of a digital television terminal at the column display area. The window display module is used for arranging a window display area at the digital television portal navigation page and displaying recommended pictures in the window display area. The recommendation display module is used for arranging a video recommendation area at the digital television portal navigation page and displaying video information of a plurality of recommended videos sequentially at the video recommendation area. The device, the method and the terminal for displaying the interactive digital television portal enable users to directly access information of advertisements, videos, news, rank lists and the like which the users want to watch through the digital television portal rapidly.
Owner:SHENZHEN BONCAST INTERACTIVE TELEVISION CO LTD

Human body behavior identification method and system based on multi-target detection 3D CNN

The invention discloses a human body behavior identification method and system based on multi-target detection 3D CNN, and the method comprises the steps: 1) carrying out the preprocessing of a video,and enabling the video flow to be converted into an image frame; 2) carrying out calibration cutting on a target object in the video by adopting a relatively mature SSD detection technology at present; 3) establishing a feature extraction network structure of the image frame data and the calibration clipping data; 4) establishing a feature fusion model, and fusing the two features extracted in the step 3); 5) carrying out classification by using a Softmax regression model classifier; and 6) carrying out fine tuning on the trained model according to an actual application scene or a public dataset. According to the method, a condition of information loss caused by convolution of the current deep neural network model in the time dimension is made up, the expression of features in the time dimension is enhanced, the recognition efficiency of the model is integrally improved, and the model can better understand the behavior action of a human body.
Owner:SOUTH CHINA UNIV OF TECH

Intelligent two-dimension code

InactiveCN104834952AExcellent scan resultModify scan results at any timeRecord carriers used with machinesSensing by electromagnetic radiationWeb siteStatistical function
The invention provides a function for popularizing a two-dimension code of an enterprise app. When a project is added, a download address for an android or ios system, and enterprise htm15 and wap web sites can be assigned by their own selves. Intermediate page arrangement is provided. If an intermediate page is open, a page skips to the intermediate page after the two-dimension code is canned, or an adaptive app is downloaded according to the type of a user's handset. If no app is downloaded, the page skips to an htm15 page. If no address option is filled, the page skips to a minimum guaranteed page, and only a project tile and brief introduction are shown. The function for popularizing a two-dimension code is provided; different two-dimension codes can be generated for different popularization; a statistic function is provided for different two-dimension codes; scanning frequency of the two-dimension code can be checked; and a message statistic function is added.
Owner:刘中一

Composite gas hydrate accelerant and application method thereof

The invention relates to the technical field of the production and utilization of natural gas hydrate, and particularly relates to a composite gas accelerant and an application method thereof. The composite accelerant is prepared by mixing betaine acetate used as an additive, mahogany petroleum sulfonate used as a surface active agent and alkyl amine oxide, wherein by total mass of a mixed aqueous solution, the mass percentage of betaine acetate is 1 to 3 percent; the mass percentage of the surface active agent mahogany petroleum sulfonate is 1.2 to 4.5 percent; the mass percentage of amphiprotic surface active agent alkyl amine oxide is 3 to 5 percent; and the rest is deionized water. The prepared hydrate accelerant is simple in preparation method and good in accelerating effect; the accelerant can effectively improve the generation of hydrate, and the gas hydrate generation condition and generation time can be greatly reduced by virtue of little accelerant, so that the energy consumption can be effectively reduced, and the energy and cost can be saved.
Owner:泉州职业技术大学

Method for step counting and mileage reckoning based on single-axis gyroscope

The invention discloses a method for step counting and mileage reckoning based on a single-axis gyroscope. The method comprises the following steps: calibrating parameters of a movement model; acquiring data of the single-axis gyroscope; counting the number of steps according to the angular velocity periodicity of the data of the single-axis gyroscope; compensating and correcting the number of the steps through a compensation algorithm; acquiring an average step length and a movement distance in a period according to a step frequency f through the movement model; and calculating to obtain themovement mileage through distance accumulation. According to the invention, a human performs a periodic swing winding a vertical ground axis in a certain degree when the human moves, so the period detection is realized through the vertically arranged single-axis gyroscope, thereby the number of the steps and the step frequency of the movement of the human are obtained; and the human movement model is used to estimate the average step length from the step frequency, so the movement step counting and the mileage calculating are realized. The method of the present invention has the characteristics of small sensor number, low cost, high reliability, lightness and convenience, high practicality and popularization, and the like.
Owner:ZHEJIANG UNIV

Dehydrator

The present invention relates to a dehydrator dehydrating various dehydrated objects containing water and solid bodies. By means of a rotating screw in a driving portion, the dehydrator performs driving inside a cylindrical sieve equipped with an inlet and a discharge outlet such that the dehydrated objects are dehydrated by extrusion. The dehydrator may function various advantages that the discharge outlet is equipped with pressurization chamber with a discharge opening and a pressure regulating unit communicated with the discharge opening, dehydrating pressure can be regulated by simple operation, in another aspect, a push auxiliary unit is arranged on the screw so as to enhance a pressing and pushing capability, a rotary impeller is provided so as to prevent the jamming of the discharge outlet and increase discharging pressure, and the dehydrator is used as a pressure feed pump for pressing and feeding the dehydrated objects .
Owner:GREEN TEC

Spinal surgery minimally invasive surgery navigation system

The invention relates to a spinal surgery minimally invasive surgery navigation system. The spinal surgery minimally invasive surgery navigation system comprises an imaging portion, a treatment portion, and a navigation portion, wherein an imaging portion scanner performs scaning and imaging around a treatment object; the treatment portion includes a mechanical arm, a connecting rod, a power supply unit, a clipper, a puncture channel into a lesion of a spinal column, and an ablation electrode needle. The puncture channel is a minimally invasive surgical working cannula having a diameter of about 2 mm. The system has the advantages of simple structure, low cost and easy operation, and the CT and MRI images are combined to integrally reconstruct the intervertebral disc tissues of the patient's bone structure, nerves, blood vessels and compression nerves as well as the ligament before the surgery, according to the position of protrusion of intervertebral disc and the nerve compression, areasonable surgical approach is designed before the surgery, and the intraoperative scanning bone image is registered, a robot arm is remotely controlled to accurate ablate the compression nerve tissue through real-time navigation, and the safety and stability are good. The system avoids damage to normal tissues caused by doctor fatigue during surgery and effectively reduces the damage of radiation to patients and doctors.
Owner:吕海 +2

High molecular weight medicine-containing preparation in powder form for administration through mucosa

InactiveUS20050271728A1Promote absorptionStrengthen Tight ConnectionsPowder deliveryPeptide/protein ingredientsDiethylpropionMedicine
A preparation in powder form for administration through mucosa, comprising a medicine of high molecular weight and a cationic polymer is disclosed. By adding a cationic polymer (in particular, a copolymer of aminoalkylmethacrylate or polyvinyl acetal diethylaminoacetate) or a cationic polymer plus a viscous polymer to a medicine of high molecular weight for producing a preparation in powder form, it is possible to achieve effective absorption of the medicine of high molecular weight through mucosa.
Owner:KIRIN AMGEN

Five-freedom-degree alternating current active magnetic bearing mixed kernel function support vector machine detecting method

The invention discloses a method for realizing the five-freedom-degree alternating current active magnetic bearing displacement self detection by utilizing a mixed kernel function support vector machine displacement predicating model. According to the method, magnetic bearing control current is used as an input sample, radial and axial displacement is used as an output sample, the sample data is collected, a mixed kernel function is selected, the performance parameters of the support vector machine are optimized through a particle swarm algorithm, the training sample and the performance parameters are utilized for training the least square support vector machine, and a non-linear predicting model is built. The predicting model is connected with a linear closed loop controller before being connected to a five-freedom-degree alternating current active magnetic bearing in series, the magnetic bearing displacement closed loop control is formed with a first and second expansion current hysteresis three-phase power inverter and a switch power amplifier, the self detection of a five-freedom-degree alternating current active magnetic bearing displacement-free sensor is realized, the cost of a magnetic bearing system is reduced, and the dynamic property of the system is improved.
Owner:JIANGSU UNIV

Gas hydrate generation promoter and preparation method thereof

The invention discloses a gas hydrate generation promoter and a preparation method of the gas hydrate generation promoter, relating to the gas hydrate generation promoter and the preparation method of the gas hydrate generation promoter. The gas hydrate generation promoter is 1-(3-sulfopropyl) hexamethyleneimine toluene-4-sulfonate ((HMIPS)OT), or a sulfate also using 1-(3-sulfopropyl) hexamethyleneiminium (HMIPS) group as a precursor, wherein both of the two substances are ionic liquids. The method comprises the following steps: performing quaternization of 1,3-propane sultone and equimolar amount of cyclohexyl imine to generate 1-(3-sulfopropyl)cyclohexyl imine salt; and then reacting HMIPS with equimolar amount of HY acid (toluene sulfonic acid or concentrated sulfuric acid) to obtain the ionic liquid. The two promoters prepared by the invention effectively reinforce the hydrate generation, which is verified by a hydrate synthesizing device with CO2 as a reaction gas; and the gas hydrate generation condition may be greatly weakened by only a trace amount of the promoter. Particularly, a promotion effect of 500mg / kg of (HMIPS)OTs solution is the best; and the generation pressure is 1.88MPa at 5 DEG C, which is decreased by 27.1% in comparison with that of a pure water system.
Owner:CHANGZHOU UNIV

Composition for External Application

ActiveUS20170209522A1Superior collagen production promoting effectSuperior ability to promote cell proliferation cellCosmetic preparationsSenses disorderWrinkle skinExternal application
An object of the present invention is to provide an external use composition having a novel composition that has a superior effect promoting collagen production and is able to suppress, prevent or improve wrinkles and sagging of the skin with aging.The present invention relates to an external use composition for anti-aging, comprising (A) a lipopeptide represented by the following formula (1), or a pharmaceutically acceptable salt thereof:(wherein, R1 represents a saturated aliphatic group, or aliphatic group having a single unsaturated bond, having 9 to 19 carbon atoms, and m represents 0 or 1).
Owner:ROHTO PHARM CO LTD

APP promotion and counting method based on network platform

The invention provides an APP promotion and counting method based on a network platform. The method comprises the following steps: segmenting the estimated values of APPs between a network platform ID and a client ID in order that corresponding reward values can be gained by downloading the APPs and the APP promotion effect is enhanced; counting the total download times of each APP and the sum of the reward values within a preset time interval, and recording the downloading time interval and persons of each APP in order to provide basic data for subsequent accurate marketing; traversing the reward operation record according to an inquiry request of a promoter to generate an inquiry result, processing the inquiry result according to the request of the promoter, and managing the APPs according to the inquiry result by the promoter in order that the APPs can be managed specific to different APP promotion situations, for example, increasing the estimated values of APPs with good promotion effects can be or revoking APPs with poor promotion effects. By adopting the APP promotion and counting method, the APP promotion effect is enhanced.
Owner:BEIJING JINHER SOFTWARE

Hydraulic engineering leakage hidden danger positioning system and positioning method

ActiveCN105716795AStrong engineering practical abilityImprove engineering practical abilityDetection of fluid at leakage pointElectric power systemSolar cell
The invention discloses a hydraulic engineering leakage hidden danger positioning system and positioning method. The system comprises an energy system and a monitoring system. The energy system comprises a mobile device, a T-type connecting platform and carrier platforms. A solar cell panel is arranged on the carrier platform. The solar cell panel is connected with a storage electric appliance. The storage holding electric appliance is connected with a polygonal interface. The monitoring system comprises a turning-connecting control and regulation device, electronic test platforms and temperature control test platforms. The turning-connecting control and regulation device is connected with a through-tube hard tube and a through-tube soft tube which are located above an area to be tested. Control and regulation valves are respectively arranged on the through-tube hard tube and the through-tube soft tube. The through-tube hard tube is connected with water diversion outlets through hydraulic pressure valves. A tail end of the through-tube soft tube is a multi-degree of freedom port. According to the invention, the solar energy is a heat source and electric power source for detecting the leakage, no special requirements on the sensing optical fiber exist, the arrangement is flexible, the movement is convenient, full-time-domain temperature information collection and leakage hidden danger positioning can be realized, and the hydraulic engineering leakage hidden danger positioning system and positioning method have the outstanding advantages that the monitoring cost is reduced, the monitoring precision is increased, the engineering practicality is improved, etc.
Owner:HOHAI UNIV

HiNOC equipment and implementation method thereof

The invention provides HiNOC equipment and an implementation method thereof. The HiNOC equipment comprises an Ethernet interface module, a CPU, an HiNOCPHY module and a coaxial radio frequency module, wherein the Ethernet interface module is used for achieving access of Ethernet data, the CPU is connected with the Ethernet interface module and used for managing an operation mode and a state of the Ethernet interface module to achieve HiNOC medium access control and service adaptation, the HiNOCPHY module connected with the CPU is used for carrying out modulation and demodulation on a physical layer base band of HiNOC according to indications of the CPU, and the coaxial radio frequency module connected with the HiNOCPHY module is used for emitting radio frequency signals from the HiNOCPHY module within a specified frequency range, receiving radio frequency signals from external equipment and transmitting the radio frequency signals to the HiNOCPHY module. The HiNOC equipment and the implementation method have advantages of being high in performance, low in cost and high in popularization capacity, and meet requirements of cable access techniques in on-line television bi-directional modification and NGB building in China.
Owner:SHANGHAI BROADBAND TECH

Method for preparing propanediol by direct hydrogenation of glycerol

The invention relates to a method for preparing propylene glycol by direct hydrogenation from glycyl alcohol under an exist of ruthenium catalyst and rhenium auxiliary. The invention is characterized in that the glycyl alcohol is directly converted to be propylene glycol by using supported ruthenium as a catalytic agent, using rhenium carbonyl as an auxiliary and using glycyl alcohol solution and hydrogen as raw materials, under a reaction temperature of 120-180 degree C, in a mild condition that the pressure of hydrogen is 4-10MPa. The method provided in the invention has a simple process, a mid reaction condition, and a sufficient promote effect for Ru catalytic agent by using rhenium carbonyl as the auxiliary.
Owner:TSINGHUA UNIV

Fuel automobile tail gas treatment device

The invention discloses a fuel automobile tail gas treatment device. The fuel automobile tail gas treatment device comprises a fixing box; a fixing plate is fixedly connected between the two sides of the inner wall of the fixing box; the bottom of the fixing plate is fixedly connected with a dissolving box; a partition plate is fixedly connected between the bottom of the dissolving box and the bottom of the inner wall of the fixing box; a supporting plate is fixedly connected between the left side of the partition plate and one side of the inner wall of the fixing box; a first motor is fixedly connected to the top of the fixing box; and an output shaft of the first motor is fixedly connected with a first belt wheel through a coupler. The invention relates to the technical field of tail gas treatment. The fuel automobile tail gas treatment device solves the problems that an existing tail gas treatment device is poor in treatment effect and low in treatment speed, and tail gas cannot be thoroughly treated, improves the tail gas treatment efficiency, reduces the tail gas treatment cost, provides clean air for people and avoids that the health of people is threatened.
Owner:NANPI JINLIYANG ELECTRONICS

Method for promoting anaerobic fermentation acid production of excess sludge through surfactin

The invention relates to a method for promoting anaerobic fermentation acid production of excess sludge through lipopeptide biosurfactant, namely surfactin. The existing chemical surfactant cannot obviously improve anaerobic fermentation acid production effect of residual sludge, is relatively poor in biodegradability and easily results in secondary pollution. The surfactin adopted by the invention is a microorganism fermentation product which has the characteristics of being low in toxicity, easily biodegradable, and capable of keeping excellent surface activity within large temperature and pH value ranges and the like; and the surfactin cannot generate secondary pollution to the environment, is capable of obviously promoting anaerobic fermentation acid production of residual sludge, is high in acid yield, and capable of favorably promoting anaerobic fermentation acid production of the residual sludge with relatively low dosage.
Owner:TONGJI UNIV

Construction method of plant community in South China

InactiveCN101836572AScientific control of seeding rateReduced safety builtSeed and root treatmentForestryPlant communityPlanting seed
The invention provides a construction method of plant community in South China, comprising the following steps of selecting plant seeds of grasses, shrub and arbor; treating a part of the seeds; preparing a seed mixture; preparing a substrate mixture; preparing a seed and substrate mixture; jetting the seed and substrate mixture; controlling the herb height and the density of the shrub and the arbor; spraying paclobutrazol physic liquor to herbs; spraying stress resistant high nutrition foliar fertilizer to the arbor; and finally, carrying out conventional management. The invention can promote the seeds to fast and safely germinate, guarantee stable structure and function of artificial vegetation, and efficiently shorten the succession period from the artificial vegetation to natural vegetation, and is used for the construction method of geotechnical wound surfaces including slopes, abandoned dreg sites and mining places and plant communities of degraded soils in the South China.
Owner:SICHUAN UNIV

Shock wave combustion inducing ramjet and shock wave combustion inducing stamping starting method

The invention discloses a shock wave combustion inducing ramjet and a shock wave combustion inducing stamping starting method. The ramjet comprises a variable-wedge-surface three-dimensional side pressure gas inlet way, a fuel injector, a combustion chamber and a tail spraying pipe. The variable-wedge-surface three-dimensional side pressure gas inlet way comprises an upper wall face and a side wall face. The upper wall face comprises a first wedge face and a second wedge face, wherein the slope of the second wedge face is larger than that of the first wedge face. The side wall face is of an inwards-contracting type structure, and the side wall face and the upper wall face are connected through arc transition. The fuel injector is arranged on the first wedge face, the combustion chamber communicates with the variable-wedge-surface three-dimensional side pressure gas inlet way, and the combustion chamber is not provided with the fuel injector. The tail spraying pipe communicates with thecombustion chamber. By means of the shock wave combustion inducing ramjet, combustion is organized in a detonation manner, the combustion distance is shorter, mixing and combustion of fuel and gas are more sufficient, the length of the combustion chamber can be designed to be shorter, and the pushing performance of the ramjet can be greatly improved.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Method for removing fluoride in flue gas during smelting

The invention relates to a method for removing fluoride in smelter off-gas, comprising that the smelter off-gas sequentially passes through a rapid washing tower, a washing tower and a cooling tower so as to remove the dust impurities thereof as well as the heat quantity of the off-gas. The method of the invention is characterized in that: (1) water glass is added to the rapid washing tower; (2) the water glass is added to the washing tower; (3) quartz is arranged at the bottom of the cooling tower; (4) the filling material layer of the cooling tower is provided with a glass fibre. By adopting the method of the invention, the fluorine content in the smelter off-gas is controlled within 0.5mg / Nm<3>, which is lower than national standard (3.0mg / Nm<3>), the corrosion of subsequent equipment for preparing acid is prevented, and normal production of the system is ensured. The method is simple and effective, the investment is little and easy to be realized, large equipment or large process change is not required, and the method has extremely high application value and generalization.
Owner:JINCHUAN GROUP LIMITED

Increment learning method on the basis of supporting vector geometrical significance

The invention discloses an increment learning method on the basis of supporting vector geometrical significance. The method includes: providing a method for selecting given-number convex hull vortex samples, naming the method as CHVS, and theoretically proving the convex hull vortex samples selected by the method is the convex hull vortex samples; using CHVS in each category of sample sets, selecting the significant samples which can keep various categories of convex hull information to the maximum extent from large-data-amount training samples, and naming the method as VS; retraining the selected significant samples with new samples to obtain an updated categorizer. The method effectively realizing SVM increment learning and categorizing is universal. Compared with other classical SVM increment learning methods, the method is suitable for online increment learning tasks with large data amount and promising in application prospect.
Owner:WENZHOU UNIVERSITY

Dust removal and purification device for numerically-controlled cutting machine

The invention relates to a dust removal and purification device, in particular to a dust removal and purification device for a numerically-controlled cutting machine. The dust removal and purification device comprises a working panel arranged below the numerically-controlled cutting machine, wherein filter holes are arranged in the working panel; a coarse residue groove is arranged below the working panel; an inclined baffle is arranged between the working panel and the coarse residue groove; a detachable coarse residue collection box is arranged at the bottom of the baffle; a dust absorption air duct is further arranged on the side surface of the coarse residue groove; an inlet of the air duct is communicated with the sidewall of the coarse residue groove, and an outlet of the air duct is communicated with a fine residue groove; a fan is arranged in the dust absorption air duct; an atomization spray head is arranged on the upper part of the fine residue groove; and the lower part of the fine residue groove is filled with dust removal liquid. By means of the dust removal and purification device for the numerically-controlled cutting machine, chippings and dust falling off during a cutting process are classified, collected and purified through the coarse residue groove and the fine residue groove which are arranged on the lower part of the numerically-controlled cutting machine, structure is simple, the dust absorption effect is outstanding, and a great popularization effect is achieved.
Owner:湖北可腾机械有限公司

Ethylene propylene rubber and preparation method thereof

The invention discloses ethylene propylene rubber and a preparation method thereof, and belongs to the rubber field. The ethylene propylene rubber includes the following raw material components by mass: 35 to 48% of EPDM rubber, 30 to 60% of a reinforcing agent, 0.5-3% of dicumyl peroxide, 0.5-4% of zinc oxide, 0.5-4% of stearic acid, 1-20% of talcum powder and 0.5-5% of an anti-aging agent. The anti-aging agent includes one or more of 2,2,4-trimethyl-1,2-dihydroquinoline polymer and 2-mercaptobenzimidazole, and the ethylene-propylene rubber includes 1-3% by mass of vinyl guanamine. The ethylene propylene rubber has the following beneficial effects: through addition of the anti-aging agent in the EPDM rubber, the oxidation of the EPDM rubber can be inhibited, the stearic acid as a surfactant can improve the uniformity of the dispersion of the anti-aging agent in the EPDM rubber and improve the connection of the anti-aging agent and the EPDM rubber, and the ethylene propylene rubber hasa better anti-aging effect.
Owner:玉环市鑫庄电子股份有限公司

Graphene conducting material and preparation method thereof

The invention discloses a graphene conducting material. The graphene conducting material is prepared from the following raw materials in parts by weight: 30 to 41 parts of graphene oxide, 20 to 30 parts of a conducting dispersion solution, 35 to 40 parts of aniline, 1 to 2 parts of ammonium persulfate, 0.4 to 1 part of melamine, 0.1 to 0.2 part of tert-butyl p-diphenol, 4 to 5 parts of diphenyl silanediol and 2 to 3 parts of calcium propionate. According to the graphene conducting material disclosed by the invention, various conducting substances, such as polyaniline, acetylene carbon black and graphene, are added; all the raw materials are blended and the graphene conducting material has very strong cooperatively enhanced conductivity; after the raw materials are treated by a method disclosed by the invention, the effects of stable finished products and efficient electric conduction are realized.
Owner:温州市赢创新材料技术有限公司

Method and system for batch production based on commercial brand two-dimensional code

The invention discloses a method for batch production based on a commercial brand two-dimensional code. The method comprises a step of generating a brand main code, a step of generating a slave code and a channel code, a step of exporting the slave code or channel code in the form of a picture according to the generated slave code or channel code, a step of allocating promotional activities and judging whether the slave code or channel code points to an activity, and a step of making corresponding effect statistics according to the pointed activity. The invention also discloses a system for batch production based on a commercial brand two-dimensional code. The system comprises a main code generation module, a sub code generation module, a sub code export module, an activity judgment module and an effect statistics module. The change rule of the two-dimensional code can be identified through a program, and the brand recognition effect of the two-dimensional code is achieved through the beautification design of an area which does not affect identification in the two-dimensional code. A variable region of the two-dimensional code is automatically generated through program control, the commercial mass production of two-dimensional codes is realized, and the cost of production is greatly reduced. The two-dimensional code has individuality and a better value of enhancing a brand, the recognition and tracking of a category of two-dimensional codes by a single product is realized, and the analysis effect of advertising is improved.
Owner:四川百誉科技集团有限公司

Application of organic phosphoric acid type compound to mineral flotation

The invention relates to application of an efficient calcium-containing gangue mineral inhibitor to scheelite flotation. The inhibitor is an organic phosphoric acid type compound, production is simple, and performance is stable and reliable. According to the application, the inhibitor is applied to scheelite flotation for the first time, and traditional sodium silicate can be replaced to conduct selective inhibition on difficultly-separated calcium type gangue minerals in particular to calcite, fluorite and the like. The efficient calcium-containing gangue mineral inhibitor is simple and efficient in ingredient, high in selective inhibitory effect, small in using quantity and extremely low in cost.
Owner:CENT SOUTH UNIV

Method for quickly recovering degraded wetland by using transplanting cattail seedlings

The invention relates to a method for quickly recovering a degraded wetland by transplanting cattail seedlings, in particular to a method for quickly recovering the degraded wetland by using the transplanting of perennial cattail rhizomes. The method solves the problems of a cattail community such as slow seedling sprouting, root decomposition, high death rate and common poor adaptive capacity frequently appearing in a transplanting process. The method comprises the following steps: firstly, collecting; secondly, planting. The method improves the adaptive capacity of cattail species in a new resistance environment, so that seedlings can quickly root, a seedling survival process is quickly completed, the large-area outdoor degraded wetland can be recovered, and the survival rate can reach more than 85%. The method is used for restricting the degeneration of the cattail community.
Owner:NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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