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98results about How to "Prevent bleaching" patented technology
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Detergent supplying apparatus of washing machine
InactiveUS20070056330A1Simple structureEasy to cleanOther washing machinesTextiles and paperBleachProcess engineering
Provided is a detergent supplying apparatus of a washing machine. The apparatus includes a drawer provided with a bleach / softener supplying part for housing and supplying bleach and softener, and a detergent supplying part for housing and supplying detergent; and a drawer cap combined to the drawer to cover an upper surface of the bleach / softener supplying part, and provided with a bleach input port and a softener input port, respectively.
Owner:LG ELECTRONICS INC
Device and method for focusing in fluorescence microscope
ActiveCN103513411APrevent bleachingAccurate focusMicroscopesFluorescence/phosphorescenceImage formationFluorescence microscope
The invention provides a device and method for focusing in a fluorescence microscope. According to the device and method for focusing in the fluorescence microscope, the focusing time can be shortened, the system speed can be increased, and undesired photobleaching can be avoided. According to the fluorescence microscope, part of exciting light is used for forming an image of a sample so that the focal plane of fluorescence imaging can be determined. Due to the fact that the intensity of the part of exciting light is far greater than the intensity of fluorescence, the exposure time for forming a focusing target image is greatly shortened. The fluorescence microscope can conduct prefocusing and multi-path focusing.
Owner:HONG KONG APPLIED SCI & TECH RES INST
Packaging bag for medical supplies, packaging bag containing medical supplies, and method for packaging medical supplies
InactiveUS20120124943A1Prevent bleachingSurgical furnitureDiagnosticsBiomedical engineeringMedical treatment
There are provided a packaging bag, which allows visual confirmation of the content yet does not bleach medical supplies contained therein, a packaging bag containing medical supplies, and a packaging method for medical supplies.A packaging bag 10 of the present invention includes two front and back films 11 and 12, at least one of which is transparent and are bacteria impermeable and do not transmit molecules as large as or greater than O2, wherein a material 13 that is gas permeable and bacteria impermeable is extended on the opening side of at least one of the films, and the periphery of the front and back films except for the opening is sealed. Medical supplies 15 are contained in the packaging bag 10, the opening is sealed to form a seal part 16b, and sterilization processing using EO gas or the like is executed. The EO gas is then removed and it is sealed by a seal part 16c. Even if the medical supplies 15 are exposed to an antiseptic solution such as H2O2, it will not enter the packaging bag 10.
Owner:MATSUTANI SEISAKUSHO CO LTD
Nanoparticle, display substrate preparation method and display device
ActiveCN109378395APrevent bleachingHigh resolutionMaterial nanotechnologySolid-state devicesSolubilityNanoparticle
The present invention relates to the field of display, and in particular to a nanoparticle, a display substrate preparation method, and a display device. The nanoparticle comprise a nanoparticle body,and first ligands and a second ligands connected to a surface of the nanoparticle body, wherein the first ligands have alkaline solubility, and the second ligands are crosslinked upon exposure to heat. The display substrate preparation method includes: forming a nanoparticle layer on the substrate; coating the nanoparticle layer with the photoresist, and exposing the photoresist by using a mask after the pre-baking treatment; performing development processing, wherein the photoresist in the the nano-particle layer unretained area is completely removed, and the exposed nanoparticle layer is dissolved in a developing solution; subjecting the second ligands of the nanoparticle covered by the photoresist retention region to a crosslinking reaction after the post-baking treatment, and fixing the nanoparticle layer on the substrate; stripping the photoresist to complete patterning of the nanoparticle layer. The nanoparticle can be combined with a photolithography process to achieve high resolution of nanoparticle patterning.
Owner:BOE TECH GRP CO LTD +1
sled
ActiveUS20050161685A1Reduce manufacturing costIncrease output strengthSemiconductor/solid-state device detailsSolid-state devicesCharge carrierLight beam
A non-lasing superluminescent light emitting diode (SLED) comprises a semiconductor heterostructure forming a PN junction and a waveguide defining an optical beam path. The heterostructure includes a gain region and an absorber region in series with the gain region in the optical beam path. A voltage is applied to the PN junction in the gain region by first contact means, so that light emission from the active region and along the optical beam path is produced. According to the invention, second contact means are provided, contacting the PN junction in the absorber region and operable to remove charge carriers generated by absorption in the absorber region. The second contact means are not connected to a voltage source, but to a charge carrier reservoir such as a metal surface. According to a preferred embodiment, the two end facets of the waveguide are perpendicular to the optical beam path.
Owner:EXALOS
Grinding method for double-phase heat-resistant stainless steel continuous casting sheet billet
InactiveCN103203663AAvoid multiple shot blastsGuaranteed surface qualitySurface roughnessSurface grinding
The invention relates to a grinding method for double-phase heat-resistant stainless steel continuous casting sheet billet. The grinding method includes: firstly grinding with a 16# grinding wheel and secondly grinding with a 20# grinding wheel; parameters adopted by the first step are arranged as follow: I equipment is casting surface grinding machine, II grinding wheel angle is 45 degrees + / - 5 degrees, III lathe speed is 50 + / - 3 m / min, IV feed rate is 30 mm + / - 5 mm, V grinding head pressure ratio is enhanced 160-180, VI one grinding mode is when grinding rate of two surfaces > / = 2.5% and < / = 3.0%, each surface is grinded enhancedly for 3 times, when grinding rate of two surfaces > / = 3.5%, each surface is grinded enhancedly for 4 times, VII roughness after grinding RZ < / = 120 mum; and parameters adopted by the second step are arranged as follow: I equipment is casting surface grinding machine, II grinding wheel angle is 45 degrees + / - 5 degrees, III lathe speed is 50 + / - 3 m / min, IV feed rate is 25 mm + / - 5 mm, V grinding head pressure ratio is enhanced 60-70, VI grinding slightly for 2 times based on the first step, VII roughness after grinding RZ < / = 60 mum. The surface toughness is low with the grinding method.
Owner:SHANXI TAIGANG STAINLESS STEEL CO LTD
Biochip reader and fluorometric imaging apparatus
InactiveUS20060029523A1Simple configurationPrecise positioningAnalysis by electrical excitationMicroscopesPhotodetectorFluorescent imaging
The present invention provides a fluorometric imaging apparatus for detecting the image of a specimen by irradiating excitation light at samples on the specimen arranged in a two-dimensional manner and measuring fluorescent light produced from a fluorescent substance attached to the specimen, the fluorometric imaging apparatus including: a two-dimensional photodetector device for detecting excitation light passing through the specimen or reflecting off the surface thereof; and movement means for repositioning the specimen according to images observed on the photoreceptor device.
Owner:YOKOGAWA ELECTRIC CORP
Fluorescent three-dimensional nano-resolution imaging method with axial selectivity excitation and device thereof
InactiveCN101813822AEnables axial selective excitationAvoid crosstalkMicroscopesFluorescence/phosphorescenceSelective excitationFluorescence
The invention is applicable to three-dimensional imaging of samples such as cells and the like, and provides a fluorescent three-dimensional nano-resolution imaging method with axial selectivity excitation and a device thereof. The method comprises the following steps of: generating exciting light and extinguishing light; light split, splitting the exciting light into first exciting light and second exciting light, and splitting the extinguishing light into first extinguishing light and second extinguishing light; and adjusting the phase difference and the intensity ratio between the first exciting light and the second exciting light, and adjusting the phase difference and the intensity ratio between the first extinguishing light and the second extinguishing light, and leading the first exciting light and the second exciting light as well as the first extinguishing light and the second extinguishing light to be coherent at a thin layer or more thin layers along the axial direction of the sample to form axial modulation illumination and realize axial selectivity excitation. Most fluorescence labeling objects in a fluorescent state can be distributed inside one or more thin layer(s) in a centralized way along the axial direction by the axial selectivity excitation, the background noise caused by thick sample imaging can be greatly inhibited, and the image information acquisition rate is improved.
Owner:SHENZHEN UNIV
Interference microscope, and method for operating an interference microscope
The present invention concerns an interference microscope and a method for operating an interference microscope, in particular a 4π microscope, standing wave field microscope, or I2M, I3M, or I5M microscope, at least one specimen support unit associated with the specimen being provided. For determination of the phase position of the interfering light in the specimen region, on the basis of which the interference microscope can be aligned, the interference microscope is characterized in that for determination of the illumination state in the specimen region of the interference microscope, at least one planar area of the specimen support unit is configured to be detectable by light microscopy.
Owner:LEICA MICROSYSTEMS CMS GMBH
Eccentrically-rotating reactor
InactiveUS8602636B2Extended service lifePrevent bleachingBioreactor/fermenter combinationsBiological substance pretreatmentsCleaning validationNuclear engineering
The invention relates to a reactor driven in an oscillatory-rotary manner about its fixed, preferably vertical, axis, for preferably biotechnological and pharmaceutical applications. By means of its process-intensifying properties for mixing, suspension, gaseous material transport, heat transfer, irradiation and particle retention, the applicability on the industrial scale is ensured. The reactor which succeeds without a shaft seal permits particularly robust production with respect to sterile technique with avoidance of cleaning and cleaning validation required when the reactor is constructed as a single-use reactor.
Owner:BAYER INTELLECTUAL PROPERTY GMBH
Composite film for hermetic food heating automatic pressure-regulation packaging device and manufacture method thereof
InactiveCN101423134AAvoid exposurePrevent bleachingFlexible coversWrappersComposite filmSteam pressure
The invention discloses a compound film used for an air-tight food-heating automatic pressure-regulating packing apparatus and a corresponding manufacturing method. The compound film is formed by a base film which is provided with a plurality of microcosmic clearance structure zones and on which an adhesive layer of an adhesive tape is coated to form a plurality of microcosmic clearance structure zones. The invention is especially used for various food packing boxes and bags, and after being packed and sealed, the food can be directly frozen in a sealed manner; when the food is to be cooked, the adhesive tape can be torn for a repeated use or the package containing the frozen food is directly put into a micro-wave oven for heating and the compound film is provided with the function of automatically regulating the high temperature and high steam pressure so as to prevent the explosion of the package in the heating process.
Owner:林大卫
Adhesive composition for touch panel, adhesive film, and touch panel
ActiveCN103237860AAvoid yellowingPrevent bleachingNon-macromolecular adhesive additivesEster polymer adhesivesCapacitanceEngineering
Owner:KOZA NOVEL MATERIALS KOREA CO LTD
Sled
ActiveUS7119373B2Reduce manufacturing costIncrease output strengthSemiconductor/solid-state device detailsSolid-state devicesCharge carrierSemiconductor heterostructures
A non-lasing superluminescent light emitting diode (SLED) comprises a semiconductor heterostructure forming a PN junction and a waveguide defining an optical beam path. The heterostructure includes a gain region and an absorber region in series with the gain region in the optical beam path. A voltage is applied to the PN junction in the gain region by first contact means, so that light emission from the active region and along the optical beam path is produced. According to the invention, second contact means are provided, contacting the PN junction in the absorber region and operable to remove charge carriers generated by absorption in the absorber region. The second contact means are not connected to a voltage source, but to a charge carrier reservoir such as a metal surface. According to a preferred embodiment, the two end facets of the waveguide are perpendicular to the optical beam path.
Owner:EXALOS
Polyolefin barium sulfate transparent masterbatch and preparation method thereof
The invention relates to a polyolefin barium sulfate transparent masterbatch and a preparation method thereof. The polyolefin barium sulfate transparent masterbatch is composed of the following components including, by weight percentage, 75-85% of precipitated barium sulfate powder, 2-15% of linear low-density polyethylene, 2-5% of ethylene-vinyl acetate copolymer, 1-2.5% of polyethylene wax, 2-3% of semi-refined paraffin wax, 0.5-1.5% of zinc stearate, 0.5-1% of stearic acid and 1-2% of coupling agent. The preparation method of the polyolefin barium sulfate transparent masterbatch comprises the following steps of a, adding the precipitated barium sulfate powder into a high-speed rotary feeder for high-speed mixing; b, adding the coupling agent for three times for coating; c, continuing to heat the mixture; d, feeding the mixture into a crusher for cooling and cracking, and performing plastifying, granulation, hot cutting and air cooling on the crushed mixture inside a twin-screw extruder to obtain masterbatch particles. The polyolefin barium sulfate transparent masterbatch can maintain mechanical properties, color and transparency of polyolefin products and meanwhile substantially reduce the raw material cost.
Owner:HUBEI HENGXU NEW MATERIAL TECH
Biochip reader and fluorometric imaging apparatus
InactiveUS20090032736A1Simple configurationPrecise positioningPhotometryLuminescent dosimetersPhotovoltaic detectorsPhotodetector
The present invention provides a biochip reader for reading the image information of samples using a photodetector device, by irradiating a corresponding beam of excitation light at each site of a biochip on which a plurality of the samples are arranged at equal pitches, the biochip reader comprising: a microlens substrate provided with a plurality of microlenses to transform excitation light to be irradiated at the biochip into a multibeam; and a zoom lens located between the microlens substrate and the biochip and capable of projecting the multibeam while adjusting the pitch between sites of the biochip to the pitch of the multibeam. The present invention further provides a fluorometric imaging apparatus for detecting the image of a specimen by irradiating excitation light at samples on the specimen arranged in a two-dimensional manner and measuring fluorescent light produced from a fluorescent substance attached to the specimen, the fluorometric imaging apparatus comprising: a two-dimensional photodetector device for detecting excitation light passing through the specimen or reflecting off the surface thereof; and movement means for repositioning the specimen according to images observed on the photoreceptor device.
Owner:YOKOGAWA ELECTRIC CORP
Method of producing anti-glare film
InactiveCN102124048APrevent bleachingAvoid reflectionsOptical filtersCoatingsAir liquid interfaceRefractive index
The method for producing an anti-glare film (10) includes a coating solution preparation step in which at least two mutually incompatible resin materials (54) are dissolved in at least one solvent to prepare a coating solution containing particles; a coating step in which the coating solution is coated on a support (16) to form a coating layer (52); a particle migration step in which the particles are made to migrate to the air-liquid interface of the coating layer (52) to be eccentrically located on the surface of the coating layer (52); and a drying step in which the coating layer (52) is dried and phase-separated to form an anti-glare layer (58) and, at the same time, a low refractive index layer (60) comprising the particles on top of the anti-glare layer (58).
Owner:FUJIFILM CORP
Novel green grape antistaling agent
InactiveCN1537436AAvoid injuryPrevent bleachingFruit and vegetables preservationProduct gasChinese patent
An antistaling agent for green grape is prepared from the durable antistaling agent of grape (described in the Chinese patent whose application number is 01137211.7), oxidant, alkaline substance and gas absorbent through respectively shaping and proportional mixing. It can keep the active concentration of SO2 in packing container for green grape.
Owner:XINJIANG UNIVERSITY
Protective film and manufacturing method for same
ActiveCN102007003AImprove antistatic performanceImprove smoothnessSynthetic resin layered productsTectorial membraneAntistatic agent
Provided are a protective film and a manufacturing method thereof, in which the protective film includes a co-extruded film composed of an intermediate layer, and a first skin layer and a second skin layer present at both sides with the intermediate layer being disposed therebetween, wherein one or more layers of the first skin layer or the second skin layer contain polymer-based antistatic agents consisting of ethylene-based unsaturated carboxylic acids.
Owner:YOULCHON CHEM
Fluorescent nanometer composite particle, preparation method and application thereof
InactiveCN101580710AImprove stabilityPrevent Fluorescent LeakageLuminescent compositionsDiseaseLife activity
The invention discloses a fluorescent nanometer composite particle, a preparation method and the application thereof. The method includes the following steps: (1) a silane coupling agent and fluorescein isothiocyanate are dissolved in absolute ethyl alcohol to obtain a reaction solution; (2) nitrogen is blown into the reaction solution, and under dark condition the coupled reaction is carried out;and (3) silicon source predecessor and ammonia are added, the ingredients are led into an airtight and lucifugal container and then are stirred to react, and the fluorescent nanometer composite particle can be obtained after centrifugal separation and rinse. The composite particle of the invention has favorable biological safety, can be easily coupled with various biomolecules in a plurality of ways, and can not harm physiological activities; the composite particle can be used for marking biological macromolecules, for detecting trace active substances in a life system, can not harm the physiological activities, and has a considerably important significance on the illustration of the life activity mechanism and the early diagnosis of diseases; and the composite particle has high stabilityand bleaching resistance, and can effectively prevent fluorescence leakage.
Owner:JINAN UNIVERSITY
Reactor
InactiveUS20140293734A1Extended service lifePrevent bleachingShaking/oscillating/vibrating mixersSamplingCleaning validationNuclear engineering
The invention relates to a reactor driven in an oscillatory-rotary manner about its fixed, preferably vertical, axis, for preferably biotechnological and pharmaceutical applications. By means of its process-intensifying properties for mixing, suspension, gaseous material transport, heat transfer, irradiation and particle retention, the applicability on the industrial scale is ensured. The reactor which succeeds without a shaft seal permits particularly robust production with respect to sterile technique with avoidance of cleaning and cleaning validation required when the reactor is constructed as a single-use reactor.
Owner:BAYER INTELLECTUAL PROPERTY GMBH
Container for a viscous cosmetic
ActiveUS8579533B2Swelling of the applicator is enabled to be suppressedImprove product qualityLiquid surface applicatorsPropelling pencilsStearateBiomedical engineering
Provided is a container for a viscous cosmetic such that even when the viscous cosmetic makes contact with the applicator comprised of silicone resin there is little swelling of said applicator and the quality of the viscous cosmetic container is well maintained. An applicator made of silicone resin inside which is formed a flow-way which can communicate with a housing for internally housing a viscous cosmetic is connected to one end of the housing. A distributing port which communicates with the flow-way is formed in the applying-surface of the applicator and the viscous cosmetic within the housing can be discharged outward from the distributing port. The degree of swelling of the applicator produced by contact with the viscous cosmetic is set to from 0 wt % to 5.0 wt % by including from 50 to 100 wt % with respect to the whole of the fluid oil fraction of any one, or combination, of deodorized polybutene, isostearyl oxystearate, polyglyceryl tri-isostearate or macadamia nut oil for the fluid oil fraction of the viscous cosmetic.
Owner:SHISEIDO CO LTD
Cooking pot, and methods of preparation
A cooking pot is composed of a main body made of Al alloy, a pig iron sheet wrapping part of all of said main body, and a coated layer. Said main body has a bottom with the slots for increasing the heat releasing area, projected parts, HF hot air channel and magnet installing grooves. Its manufacture technology includes such steps as casting said pig iron sheet, inserting it in a mould, pouring molten Al alloy, grinding, abrading, and coating. It has health-care function.
Owner:裴永秀
Method for packaging medical supplies
ActiveUS20160311567A1Prevent bleachingSurgical furnitureDispersed particle separationProduct gasBiomedical engineering
A method of packaging medical supplies includes overlapping a front film onto a back film, at least one of the front and back film being transparent and bacteria impermeable and does not transmit molecules as large as or larger than O2, extending a material that is gas permeable and bacteria impermeable along an opening side of at least one of the front and back film, and sealing the periphery of the front and back films except for the opening to form a packaging bag; inserting medical supplies in the packaging bag and then sealing the bag; sterilizing an interior of the packaging bag with EO gas injected through the material that is gas permeable and bacteria impermeable, removing the gas after sterilization and drying; and sealing the packaging bag so that the material that is gas permeable and bacteria impermeable does not communicate with the inside of the packaging bag.
Owner:MATSUTANI SEISAKUSHO CO LTD
Grape freshness keeping method
InactiveCN104522154AAvoid condensationPrevent bleachingFruits/vegetable preservation by freezing/coolingMoisture condensationPreservative
A grape freshness keeping method includes the following steps that 1, the opening of a freshness protection package is placed upwards, and two layers of absorbent paper are arranged at the bottom of the freshness protection package; 2, grapes are placed on the absorbent paper in the freshness protection package; 3, a layer of absorbent paper and a layer of freshness protection paper are sequentially placed on the uppermost side of the grapes, one side of the freshness protection paper is hydrophobic material and faces upward, and the other side of the freshness protection paper faces downward and is provided with preservatives; 4, the opening of the freshness protection package is sealed. Through the method, the surfaces of the grapes can be protected against moisture condensation and bleaching, definite humidity and definite concentration of the preservatives can be maintained in the freshness protection package, and the grapes are not prone to water loss and are kept fresh. Through the method, the pre-cooling step is omitted before the grapes are stored in a refrigeration house, and grape loss caused by complex steps in the grape storage process is prevented. In addition, operation steps are simplified, cost is saved, the relative humidity in the freshness protection package is high, stem protecting and green preserving are achieved, and bleaching of the preservatives is effectively reduced.
Owner:NINGBO ACAD OF AGRI SCI
Synchronous fertilizing, ditching and earthing device for rice transplanting
ActiveCN104255125AAvoid cloggingAvoid affecting ditch fertilizationPlantingFertiliser distributersFertilizerAgricultural engineering
The invention provides a synchronous fertilizing, ditching and earthing device for rice transplanting, which can avoid a fertilizer floating phenomenon and increase the fertilizer utilization rate. The synchronous fertilizing, ditching and earthing device comprises a left ditcher, a right ditcher, a left earthing plate and a right earthing plate, wherein the left ditcher and the right ditcher are arranged on two sides of the bottom of a seedling boat; the left earthing plate and the right earthing plate are arranged on the two sides of the bottom of the seedling boat and are arranged in back of the left and right ditchers; the left and right ditchers comprise ditching bodies and fertilizer guide bodies fixed at the rear ends of the corresponding ditching bodies; the ditching bodies are wedge-shaped, and positioning steps are formed on the upper surfaces of the ditching bodies; the fertilizer guide bodies comprise shells and fertilizer guide tubes; cavities are formed inside the shells; and the fertilizer guide tubes are arranged on the shells and are communicated with the cavities of the shells.
Owner:SHANDONG ACADEMY OF AGRI MACHINERY SCI
Apparatus and method for focusing in fluorescence microscopy
ActiveCN103513411BPrevent bleachingAccurate focusMicroscopesFluorescence/phosphorescenceFluorescence microscopeMulti path
The invention provides a device and method for focusing in a fluorescence microscope. According to the device and method for focusing in the fluorescence microscope, the focusing time can be shortened, the system speed can be increased, and undesired photobleaching can be avoided. According to the fluorescence microscope, part of exciting light is used for forming an image of a sample so that the focal plane of fluorescence imaging can be determined. Due to the fact that the intensity of the part of exciting light is far greater than the intensity of fluorescence, the exposure time for forming a focusing target image is greatly shortened. The fluorescence microscope can conduct prefocusing and multi-path focusing.
Owner:HONG KONG APPLIED SCI & TECH RES INST
Cat litter containing tofu by-products and manufacturing method thereof
ActiveCN110384048BNo health problemsPrevent bleachingAnimal housingGrain treatmentsBiotechnologyActivated carbon
The invention relates to cat litter containing tofu by-products and a manufacturing method thereof. The manufacturing method of the present invention comprises: the step of preparing undried bean dregs; the step of pulverizing activated carbon with a mesh size of 30 to 60; putting the prepared bean dregs into a spiral ribbon mixer, and then adding water-soluble binder particles, The step of stirring at a low speed; the step of further stirring at a low speed after putting in the pulverized activated carbon; the step of blowing high-temperature air to the inside of the spiral ribbon mixer with a blower, and performing the first drying to make the moisture content reach 45% to 65%; And the step of transferring to an extruder and extruding into a predetermined shape.
Owner:郑诚训
Process for producing antiglare film
InactiveCN102165335AInhibition reflexGlare suppressionLiquid surface applicatorsDiffusing elementsDisplay deviceLight reflection
Owner:FUJIFILM CORP
Iodine-containing selenium-rich lettuce nutrient solution
InactiveCN105565956ANutritional diversityImprove stress resistanceFertilizer mixturesNutrient solutionAmmonium nitrate
The invention discloses an iodine-containing selenium-rich lettuce nutrient solution. The iodine-containing selenium-rich lettuce nutrient solution is characterized by comprising the following raw material components in parts by weight: 6-8 parts of potassium borate, 10-12 parts of urea, 6-8 parts of ammonium nitrate, 5-7 parts of magnesium sulfate, 2-4 parts of sodium hydrogen phosphate, 3-5 parts of sodium benzoate, 0.6-0.8 part of an iodine-containing inorganic substance, 0.8-1.2 parts of sodium selenite, 2-4 parts of ferric chloride, 0.5-0.7 part of trace elements, 3-5 parts of folic acid and 4-6 parts of asparagines, wherein the trace elements provide essential ingredients for the growth of lettuce; potassium borate can supplement a certain potassium fertilizer content, enhance the stress resistance of lettuce and prevent new leaves of lettuce from whitening; sodium selenite effectively improves the selenium content of lettuce; the iodine-containing inorganic substance can effectively improve the iodine content of lettuce. The nutrient solution provided by the invention can improve the soil fertility and prevent soil hardening, avoids environmental pollution after being applied and can accelerate the growth by 5-6%.
Owner:QINGDAO XINRUNTU NURSERY STOCK SPECIALIZED COOP
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