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38results about How to "Avoid freeze damage" patented technology
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Cold and hot probe device used for cold and hot combination therapy of tumor
ActiveCN101803947AConvenient hot and cold treatmentConvenient treatmentSurgical instruments for heatingSurgical instruments for coolingData acquisitionNormal tissue
The invention discloses a cold and hot probe device and particularly relates to a probe device for cold and hot combination therapy by electric heating and liquid nitrogen refrigerating, which is suitable for treating various solid tumors. The cold and hot probe device comprises a low-temperature pressure vessel, a low-temperature working medium, a booster, a low-temperature fluid valve, a low-temperature working medium transport tube, a handle, a probe pole, a probe head, an electric heating element, a temperature sensor, a data acquisition / control unit, a DC power supply module, a computer and the like. The invention can cool and heat the probe head conveniently so as to implement the cold and hot combination treatment and prevent normal tissues around the probe pole from being frozen and damaged in the cooling process. The invention has the advantages of simple structure, low cost, good controllability, high safety, convenient use and the like.
Owner:HYGEA MEDICAL TECH CO LTD
Icing detection method and device for air conditioner indoor unit
ActiveCN108317667APrevent freeze damageAvoid the problem of detection failure failureMechanical apparatusSpace heating and ventilation safety systemsIcing conditionsEngineering
The invention discloses an icing detection method and device for an air conditioner indoor unit, and belongs to the technical field of air conditioners. The icing detection method comprises the stepsthat the outdoor environment temperature and the suction temperature of a compressor when an air conditioner operates in a refrigeration mode or a dehumidification mode are acquired; and when the outdoor environment temperature and the suction temperature meet preset icing judgment conditions, the air conditioner is triggered to enter an icing protection mode, wherein the icing conditions refer tothat the outdoor environment temperature is higher than or equal to a first outdoor temperature threshold value and the suction temperature is smaller than or equal to a first suction temperature threshold value. According to the icing detection method for the air conditioner indoor unit, whether or not the indoor unit has the icing tendency can be judged according to outdoor unit relevant parameters such as the outdoor environment temperature and the suction temperature of the compressor, and corresponding protection is triggered in time, so that the problem of detection failures caused whenan indoor unit coil is affected by the factors such as refrigerant deficiency or indoor distribution variations is avoided, and the phenomenon that the air conditioner indoor unit is damaged due to icing is avoided.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
Three-dimensional aerial fog seedling method for flue-cured tobacco
InactiveCN103688828AEasy to recycleEasy to control temperatureAgriculture gas emission reductionCultivating equipmentsAutomatic controlHigh absorption
The invention relates to a three-dimensional aerial fog seedling method for flue-cured tobacco, and belongs to the technical field of seedling of flue-cured tobacco. The seedling method comprises the following steps: (1) making a cultivation pond; (2) making a seedling bracket; (3) making a cultivation plate; (4) sowing; (5) making a liquid storing pond; (6) preparing a nutrient solution; (7) arranging an automation circulating system; (8) managing a seedbed. According to the seedling method, the temperature and the moisture can be controlled easily, high automatic control rate is realized, water can be saved, the fertilizer water utilization ratio is increased, and the cost can be effectively reduced when the method is popularized to drought regions; high absorption ability of nutrient is realized, and tobacco seedlings grow rapidly and robustly; a supplementary lighting measure is not needed, so that the seedling cost is reduced in comparison to multilayer seedling. A three-dimensional aerial fog seedling facility is suitable for planting crops such as vegetables and flowers, the comprehensive utilization ratio of a seedling greenhouse is increased greatly, and the income is increased effectively.
Owner:GUIZHOU TOBACCO SCI RES INST
Peripheral blood mononuclear cell serum-free freezing medium and freezing method
ActiveCN104719282AImprove securityTo ensure the effect of freezingDead animal preservationSerum igePeripheral blood mononuclear cell
The invention discloses a peripheral blood mononuclear cell serum-free freezing medium. The peripheral blood mononuclear cell serum-free freezing medium is prepared from the following components in percentage by volume: 5 to 20% of dimethyl sulfoxide, 0.5 to 10% of dextran 40, and the balance of plasmalyte A. The invention further discloses a method for freezing peripheral blood mononuclear cells through the peripheral blood mononuclear cell serum-free freezing medium. Compared with the prior art, the freezing medium is free of animal serum, human serum and a cell culture medium, and has a good freezing effect; the cells can be directly applied to the clinic after resuscitation and can be also induced in vitro into immune cells NKT and CIK and have high application value in the clinic.
Owner:GUANGZHOU SALIAI STEMCELL SCI & TECH CO LTD
Mononuclear cell frozen stock solution of cord blood, application and preparation method
InactiveCN104705291AAvoid damageAvoid freeze damageDead animal preservationHydroxyethyl starchCord blood stem cell
The invention relates to the field of biological technology, and particularly relates to a mononuclear cell frozen stock solution of cord blood, an application and a preparation method. The mononuclear cell frozen stock solution of cord blood provided by the invention comprises dimethyl sulfoxide (DMSO) united plasmalyte force A (compound electrolyte injection) and hydroxyethyl starch (HES). Compared with the traditional formula, the scheme can be used for effectively preventing the pollution of animal derived pathogens and avoiding using of a cell culture medium to serve as a component of the frozen stock solution and guaranteeing a good cell frozen stock effect; after cell frozen for 2 months, the average cell viability of resurgent CBMC cell frozen by the cell frozen solution is 94.73%, which is remarkably (P is smaller than 0.05) higher than the cell frozen effect of the traditional cell frozen solution (10%DMSO+90%FBS). The resurgent cell can be directly applied to clinical transplantation, so the mononuclear cell frozen stock solution of the cord blood has a large practical value in clinical application of cell therapy.
Owner:GUANGZHOU SALIAI STEMCELL SCI & TECH CO LTD
Method for preparing direct-vat-set(DVS) starter of lactic acid bacteria at normal temperature
InactiveCN102172253AImprove protectionHigh bacterial survival rateMilk preparationBacteriaBiomassFermentation starter
The invention provides a method for preparing a direct-vat-set(DVS) starter of lactic acid bacteria at normal temperature and aims to provide a method for preparing a DVS starter of lactic acid bacteria, which has the advantages of simple preparation process, low cost, high biomass and activity. The method comprises the following steps: applying lactose and glycerin on peeled and chopped steamed breads as a protectant, sterilizing, drying and using the peeled and chopped steamed breads as carriers; coating the bacterial suspension of lactic acid bacteria on the steamed bread carrier under a sterile condition to obtain the starter of lactic acid bacteria coated with the strain; and drying the starter of lactic acid bacteria coated with the strain by blowing at normal temperature and under the sterile condition to obtain the DVS starter of lactic acid bacteria. In the method, the lactose and the glycerin are applied on the steamed bread carriers as the protectant in the drying process of the steamed breads; simultaneously starch and proteins in the steamed breads can also well protect the lactic acid bacteria and the frozen damage is avoided; therefore, the starter is quite high in bacterial survival rate, activity and biomass. In addition, the method also has the advantages of simplicity, convenience for implementation and low cost.
Owner:TIANJIN UNIV OF COMMERCE
Primer and prober for detecting carrot component in foods and beverages
InactiveCN101921837AHas cold-inducing propertiesAvoid freeze damageMicrobiological testing/measurementFluorescence/phosphorescenceConserved sequenceFluorescence
The invention belongs to a qualitative detection technology of plant derived components in the foods and the beverages, in particular to a primer / a probe group for detecting a carrot component in the foods and the beverages. In the invention, a group of specific primer and probe are designed aiming at antifreeze protein of the carrot and according to the conserved sequence of a gene thereof. The carrot component in the foods and the beverages can be rapidly, sensitively and specifically detected by using the primer and the probe and adopting a real-time fluorescence PCR technology. The primer and the probe can be provided with other reagents together in the form of a kit and are used for amplification reaction of nucleic acid. The method has simple operation and good repeatability.
Owner:INSPECTION & QUARANTINE TECH CENT SHANDONG ENTRY EXIT INSPECTION & QUARANTINE BUREAU
Preparation of kit and method for rapidly detecting carotene components in foods and beverages
InactiveCN101921836AHas cold-inducing propertiesAvoid freeze damageMicrobiological testing/measurementFluorescence/phosphorescenceFluorescenceFluorescent pcr
The invention belongs to a technique for qualitatively detecting plant-derived components in foods and beverages, in particular to a kit and a method for detecting carotene components in the foods and the beverages by using a real-time fluorescent PCR (Polymerase Chain Reaction) technique. The kit comprises a PCR amplification reactive solution A, UNG (unguentum) enzyme B and Taq enzyme C, wherein the PCR amplification reactive solution A contains 10*PCR reaction buffers, magnesium sulfate, dNTP (deoxy-Nucleotide Triphosphate) containing dUTP (deoxy-Uridine Triphosphate), an upstream primer of 5'-CGACAAGCAAGCTTTACTCCAA-3', a downstream primer of 5'-CGTCTGACACCCATGAGTCTGT-3' and a TaqMan probe 5'-FAM-TCAAAACAGCCTTGAAAAACCCCACCA-TRAMA-3'. The method for rapidly detecting carotene components comprises the steps of extraction of DNA (Deoxyribonucleic Acid) in the foods and beverages, real-time PCR amplification of the carotene components and result judgement. The method has the advantages of rapidity, strong specificity, high sensitivity, convenient operation and good repeatability.
Owner:INSPECTION & QUARANTINE TECH CENT SHANDONG ENTRY EXIT INSPECTION & QUARANTINE BUREAU
Anti-freezing system and method for zero-power operation air cooling island of low-pressure cylinder of direct air cooling unit
InactiveCN111023859AAvoid freeze damageFlexible quantity controlSteam/vapor condensersEngineeringProcess engineering
The invention provides an anti-freezing system and method for a zero-power operation air cooling island of a low-pressure cylinder direct of an air cooling unit. The system comprises a steam turbine,an exhaust device and an air cooling island which are connected sequentially, one branch of a steam output pipeline of the steam turbine is connected with the gas inlet end of a low-pressure cylinderof the steam turbine through a second valve group; and the other branch of the output steam pipeline of the steam turbine is connected to the air cooling island through a third valve group and a temperature and pressure reducer which are connected in series, and the temperature and pressure reducer controls the steam quantity transmitted to the air cooling island according to the set steam quantity required by the air cooling island and the environment temperature. According to the invention, the temperature and pressure reducer is arranged to introduce steam in a heat supply output pipeline of the steam turbine into the air cooling island; the amount of steam input into the air cooling island is controlled according to the required steam amount, a closed vacuumizing and condensation watersystem prevents a small amount of steam from leaking into the shutdown air cooling island cooling unit, and freezing damage of the air cooling island during zero-power operation of the low-pressure cylinder can be avoided.
Owner:SHANDONG HUADIAN ENERGY SAVING TECH
Method for wheat tube vitrescence-freezing storaging geneine porgy
InactiveCN1749392AStrong toleranceReduce concentrationDead animal preservationTissue culturePalpitationsGerm plasm
The present invention belongs to the field of marine biotechnology, and is technology of obtaining normal revived genuine porgy embryo including vitrification freezing of embryo, long period maintenance in liquid nitrogen, deforesting, eluting, etc. The genuine porgy embryo in palpitation stage is treated through adding antifreezing agent, fast straw vitrification freezing, maintenance in liquid nitrogen, deforesting, eluting and other steps to obtain the revived genuine porgy embryo. The present invention is significant in the germ plasm maintenance, genetic diversity, breeding, etc of genuine porgy.
Owner:INST OF OCEANOLOGY - CHINESE ACAD OF SCI
Serum-free freezing medium for MDBK cell
The invention relates to a serum-free freezing medium for an MDBK cell. The serum-free freezing medium comprises the components by volume percentag: 9-11% of dimethyl sulfoxide, 1-3% of a dextran 40 solution and the balance of DMEM high-glucose medium, wherein the dextran 40 solution is a DMEM high-glucose medium solution of 10% dextran 40; the 1-3% of dextran 40 solution can be replaced with 6-8% of a trehalose solution; and the trehalose solution is a DMEM high-glucose medium solution of 1mol / L trehalose. According to the freezing medium, serum with an animal source is not added, so that virus pollution of the animal source is avoided, and the cell viability after recovery is basically equal to that of the medium to which bovine serum is added.
Owner:HEILONGJIANG BAYI AGRICULTURAL UNIVERSITY
Photovoltaic greenhouse intelligent control system
InactiveCN108319313APrecise control of temperature zonesAccurate control of humidity zonesSimultaneous control of multiple variablesAir volumeWater storage tank
The present invention aims to provide an intelligent system for zoning and precisely controlling temperature, humidity and light intensity in a photovoltaic greenhouse. The system comprises a wet curtain installed on one side wall in the photovoltaic greenhouse, water inlets are arranged above the wet curtain, and a water storage tank and a circulating water pump are arranged outside the greenhouse. A plurality of fans is arranged and installed on two side walls in the photovoltaic greenhouse. The system also includes several sunshades distributed and installed above the photovoltaic greenhouse. A large database is established for crop growth in the photovoltaic greenhouse. The database comprises optimal temperature, humidity, and light intensity data needed in the plant and crop growth, the data is transmitted to a data converter, a data processor and a central processor through sensors, the data is compared, thus, the data is transmitted to a controller to control the water flow of the wet curtain, the air volume of the fans and the lifting and lowering of the sunshades, and the intelligent control of environmental factors in the greenhouse is achieved. According to the system, the growth of crops in the greenhouse is facilitated, the three-dimensional production of agriculture is achieved, and the system is a high-tech modern agricultural ecological construction project withthe integration of low carbon, energy saving and environmental protection.
Owner:QINGDAO NEW ENERGY SOLUTIONS +2
Cold and warm box system for LNG fuel vehicle
InactiveCN104864653AAvoid freeze damageRealize the cooling functionVehicle arrangementsInternal combustion piston enginesTemperature controlProcess engineering
The invention discloses a cold and warm box system for an LNG fuel vehicle. The cold and warm box system comprises a cold and warm box shell, a vehicle main gas supply flow path, an LNG cold energy recycling flow path, a refrigerant circulation flow channel, an engine cooling liquid flow path and a cold energy flow path for other purposes. According to the cold and warm box system for the LNG fuel vehicle, under the situation that the engine cooling liquid flow path is not affected, and the additional energy consumption is not needed, the cooling capacity in the LNG gasification process can be recycled to conduct refrigeration, and the quantity of heat of an engine cooling liquid circulation system can be utilized to conduct heating; meanwhile, cold and heat switching and optimal temperature control under two kinds of modes are achieved at the same time, and thus the requirements for refrigeration in summer and heating in summer of a driver are met.
Owner:CHINA FIRST AUTOMOBILE
Immune cell cryopreservation method
InactiveCN109526943AConducive to survivalReduce usageDead animal preservationCell culture mediaCryopreservation
The invention relates to an immune cell cryopreservation method. The immune cell cryopreservation method comprises the following steps: immune cell cryopreservation liquid is prepared, wherein the immune cell cryopreservation liquid is prepared from the following raw materials in percentage by weight: 3-7 mL of dimethyl sulfoxide, 2-6 mL of dextran, 15-25 mL of a cell culture medium, 2-4 mL of human serum albumin, 2-4 mL of raffinose, 2-4 mL of glucose, 1-3 mL of propylene glycol and 60-80 mL of human autologous plasma; and immune cells are cryopreserved through the immune cell cryopreservation liquid. Compared with the prior art, the immune cells are effectively protected against freezing damage, safety is high, damage to the cells is small, and the recovery survival rate of the immune cells can be increased and can reach 96% or above.
Owner:深圳光彩生命工程技术有限公司
Strength inducer for low-temperature cement-based material
The invention discloses a strength inducer for a low-temperature cement-based material. The strength inducer comprises the following components in percentage by mass: 60-70% of a strength rapid development component; 7%-18% of a rheological component; 15%-25% of a micro-expansion component; 0.5%-1% of a coagulation adjusting component; and 1%-10% of an anti-freezing component. The inducer provided by the invention can shorten the setting time of a cement-based material under a low-temperature condition, rapidly develop the strength in a short time, have high early strength, and can realize early demolding and shorten the construction period. The conductive agent promotes the rapid development of the strength of the cement-based material, can avoid the freezing injury phenomenon, and can enhance the waterproof effect and the anti-corrosion effect at the same time. The components are wide in source and low in price, and the use cost is low. The additive is added when a cement-based material is mixed, can play a role after being uniformly stirred, and is convenient to use.
Owner:中冶武汉冶金建筑研究院有限公司 +1
Hanfu apple short-stem high-crown planting method
InactiveCN101978818AIncrease light receiving areaIncrease profitCultivating equipmentsSoil-working methodsNutrientWeed
The invention relates to a Hanfu apple short-stem high-crown planting method, which comprises the following process steps of: 1, selecting a piece of land; 2, performing land preparation; 3, digging planting ditches, wherein the depth of the ditches is 0.8 meter, the width of the ditches is 0.6 to 0.7 meter, the depth of dug holes is 0.8 meter, the diameter of the dug holes is 1 meter, the dug holes are circular or square, and surface soil and subsoil are stacked respectively so as not to make soil layers confused; 4, performing land preparation in autumn or before winter; and 5, after digging the planting ditches (holes), spreading a layer of deadwood and disordered leaves such as straws or weeds on the ditches, backfilling the subsoil for settling, backfilling the surface soil for ridging, and planting apple nursery stocks in ridges which is 0.5 to 0.6 meter higher than the ground. The apple tree planting method has the advantages of improving the illuminated area of planted nursery stocks, improving the utilization rate of sunlight, increasing ground temperature and making the root systems of the nursery stocks quickly recover calli to absorb nutrients.
Owner:李茂生 +1
Preparation method of yogurt starter culture
The invention discloses a preparation method of a yogurt starter culture, and belongs to the technical field of foods. According to the invention, fruit juice is added, and various fruits contain components which are beneficial to the human bodies so as to further increase the efficacy of yogurt. Meanwhile, various sugars are added into a nutrient solution, and a sugar content is high so as to notonly provide nutrient fermentation with a better nutrient environment and improve the activity of strains, but also accelerate a fermentation rate. Besides, the two strains adopted by the invention promote the growth of all parties. Meanwhile, defatted milk powder and an antioxidant are added to form a carrier protective agent, so that the carrier protective agent can enter the interior of cellsand prevent freezing injuries inside and outside the cells. A mixture is subjected to pre-freezing, and gets into a solid state so as to avoid the inactivation of active macromolecules in a process ofvacuum freeze-drying and maintain the original characteristics of the strains. The method solves problems of some existing yogurt starter cultures that a flavor is not heavy enough and sourness is too strong, which result in a poor mouth feel and the need of adding sweeteners.
Owner:石磊
A kind of serum-free cryopreservation medium and cryopreservation method for peripheral blood mononuclear cells
ActiveCN104719282BImprove securityTo ensure the effect of freezingDead animal preservationSerum igePeripheral blood mononuclear cell
The invention discloses a peripheral blood mononuclear cell serum-free freezing medium. The peripheral blood mononuclear cell serum-free freezing medium is prepared from the following components in percentage by volume: 5 to 20% of dimethyl sulfoxide, 0.5 to 10% of dextran 40, and the balance of plasmalyte A. The invention further discloses a method for freezing peripheral blood mononuclear cells through the peripheral blood mononuclear cell serum-free freezing medium. Compared with the prior art, the freezing medium is free of animal serum, human serum and a cell culture medium, and has a good freezing effect; the cells can be directly applied to the clinic after resuscitation and can be also induced in vitro into immune cells NKT and CIK and have high application value in the clinic.
Owner:GUANGZHOU SALIAI STEMCELL SCI & TECH CO LTD
Efficient energy tower solution heat pump unit system
The invention provides an efficient energy tower solution heat pump unit system. The system comprises an energy tower, an evaporator, a solution transfer tank, a spraying freezing box and an ice water storage tank; a low-noise draught fan, a spraying device, a heat exchange layer and a liquid storage pool are arranged in the energy source tower, and the spraying freezing box comprises a freezing chamber and an ice water separation chamber; the system is simple in structure and reasonable in design, the regeneration technology that the solution is continuously purified from a dilute solution to become a high-concentration solution is achieved, the phenomenon that due to the fact that the heat exchange solution is dilute, and the ice point is reduced, the energy tower is damaged by freezing is avoided, efficient operating of the system is ensured, meanwhile, losses of the het exchange solution and the maintaining cost of equipment are saved, meanwhile, the system efficiently and stably runs, extra energy is not needed, the system is economical and practical, heating and refrigerating are completed through one step, and the system is simple, easy to implement and suitable for large-range popularization.
Owner:江苏海雷德蒙新能源(集团)有限公司
Special refrigerated cabinet for refrigeration near freezing point of fruits and vegetables and temperature control method for the refrigerated cabinet
ActiveCN105910366BAvoid freeze damageSmall temperature fluctuationsLighting and heating apparatusDomestic refrigeratorsRefrigerator carTemperature control
Owner:CHINA AGRI UNIV
Deep purification device and method of electrolytic aluminum exhaust gas
PendingCN110026076AReduce investment and operating costsImprove efficiencyGas treatmentDispersed particle separationCooling towerSlurry
The invention discloses a deep purification device and method of electrolytic aluminum exhaust gas. An electrolytic aluminum purification tower is provided with a gypsum slurry circulating region, aninlet flue, a spray layer of the purification tower, a first demister of the purification tower, a liquid accumulation layer of the purification tower, a condensation spray layer of the purification tower, a second demister of the purification tower and a purification tower outlet from bottom to top; the gypsum slurry circulating region is communicated with the spray layer of the purification tower through a purification tower circulating pump; the outlet end of the liquid accumulation layer of the purification tower is communicated with the gypsum slurry circulating region and a limestone slurry circulating tank; the limestone slurry circulating tank is communicated with the condensation spray layer of the purification tower through a circulating cooling tower; the limestone slurry circulating tank and the gypsum slurry circulating region are communicated with a limestone slurry source; and the gypsum slurry circulating region is communicated with a gypsum slurry treatment system. Byfull use of a limestone slurry preparation system in a gas desulfurization system of an original power plant and an auxiliary system of a byproduct treatment system, the deep purification device adopts two-stage wet washing process to perform low-cost deep purification on the electrolytic aluminum exhaust gas purified by a dry method.
Owner:内蒙古霍煤创源矿业有限公司
Preparation of kit and method for rapidly detecting carotene components in foods and beverages
InactiveCN101921836BHas cold-inducing propertiesAvoid freeze damageMicrobiological testing/measurementFluorescence/phosphorescenceFluorescenceFluorescent pcr
The invention belongs to a technique for qualitatively detecting plant-derived components in foods and beverages, in particular to a kit and a method for detecting carotene components in the foods and the beverages by using a real-time fluorescent PCR (Polymerase Chain Reaction) technique. The kit comprises a PCR amplification reactive solution A, UNG (unguentum) enzyme B and Taq enzyme C, wherein the PCR amplification reactive solution A contains 10*PCR reaction buffers, magnesium sulfate, dNTP (deoxy-Nucleotide Triphosphate) containing dUTP (deoxy-Uridine Triphosphate), an upstream primer of 5'-CGACAAGCAAGCTTTACTCCAA-3', a downstream primer of 5'-CGTCTGACACCCATGAGTCTGT-3' and a TaqMan probe 5'-FAM-TCAAAACAGCCTTGAAAAACCCCACCA-TRAMA-3'. The method for rapidly detecting carotene components comprises the steps of extraction of DNA (Deoxyribonucleic Acid) in the foods and beverages, real-time PCR amplification of the carotene components and result judgement. The method has the advantages of rapidity, strong specificity, high sensitivity, convenient operation and good repeatability.
Owner:INSPECTION & QUARANTINE TECH CENT SHANDONG ENTRY EXIT INSPECTION & QUARANTINE BUREAU
Fuel gas hot water device and anti-freezing valve
PendingCN110926014AAvoid getting soakedAvoid freeze damageEqualizing valvesSafety valvesThermal waterMechanical engineering
The utility model discloses a fuel gas hot water device and an anti-freezing valve. The fuel gas hot water device comprises a heat exchanger, a water inlet pipe, a water outlet pipe and an anti-freezing mechanism, wherein the water inlet pipe and the water outlet pipe are connected with the heat exchanger; the anti-freezing mechanism is arranged on the water inlet pipe; the anti-freezing mechanismhas a normal state allowing water in the water inlet pipe to flow through and a turn-off state blocking the water inlet pipe from conveying water to the heat exchanger; and the anti-freezing mechanism is driven by internal pressure to be switched from the normal state to the turn-off state when an environment temperature is lower than a first preset temperature. By using the fuel gas hot water device and the anti-freezing valve, the heat exchanger can be prevented from being frozen and damaged under a condition that a water heater is powered off, and meanwhile a situation that a user home issoaked is avoided.
Owner:A O SMITH CHINA WATER HEATER CO LTD
Comprehensive management and cultivation method for promoting rapid propagation of poplar seedlings
InactiveCN106305279APromote rapid reproductionPromote rooting and sproutingBiocidePlant growth regulatorsTerrainPlant sap
The invention discloses a comprehensive management and cultivation method for promoting rapid propagation of poplar seedlings. The comprehensive management and cultivation method comprises the following steps: (1) selecting sandy loam or light loam with flat terrain and loose soil as a seedling nursery field, applying base fertilizer, deep ploughing, flattening, sterilizing, watering, air-drying, shallow hoeing and loosening the seedling nursery field; (2) after land is unfrozen at the beginning of spring and before the flowing of sap, cutting branches of a one-year poplar seedling trunk which grows strongly and develops well, and treating the branches; (3) vertically cutting inserting the lower end of the branch into loose soil of the nursery field, wherein a distance between two adjacent plants is 0.3 to 0.4 m; and (4) watering once two weeks after the branches are inserted, shallow hoeing and loosening the soil after the watering, and carrying out top dressing once two months. The cultivation method is simple, the cultivation period is short, and the rapid propagation of the poplar seedlings can be promoted.
Owner:梁国婷
A device for cultivating laver in deep water and its application method
ActiveCN104488691BReduce distractionsReduce disease incidenceCultivating equipmentsSeaweed cultivationDiseaseSludge
The invention discloses a device for culturing porphyra tenera in a deep water area. The device comprises a plurality of pairs of brackets, cylindrical foamed buoys, and a cultivation curtain for culturing porphyra tenera; two cylindrical foamed buoys are bound to a pair of brackets through vinylon ropes; holes are drilled in two ends of each bracket; a tied rope passes through the through holes in two ends of each pair of brackets to fix the brackets; two ends of the cultivation curtain are tied to brackets which are adjacent to each other and in different pairs; the plurality of brackets, the foamed buoys bound on the bracket, and the cultivation curtain tied on the brackets form a row of porphyra tenera culturing float raft. According to the device, the full-floating raft type culturing technology is adopted, and thus the interference of float sludge and wild alga can be obviously reduced, and the disease incidence can be greatly lowered down; the device is suitable for cultivation in the deep water area; the net can be sunned actively to avoid freezing injury; bamboo brackets for fixing the foamed buoys are wrapped with a layer of fiberglass materials, and therefore, the strength of the traditional bamboo poles can be improved, the corrosion of seawater to the bamboo poles can be reduced, and as a result, the service life of the bamboo poles can be obviously prolonged, and as a result, the cost can be decreased.
Owner:YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI
Primer and prober for detecting carrot component in foods and beverages
InactiveCN101921837BHas cold-inducing propertiesAvoid freeze damageMicrobiological testing/measurementFluorescence/phosphorescenceConserved sequenceFluorescence
The invention belongs to a qualitative detection technology of plant derived components in the foods and the beverages, in particular to a primer / a probe group for detecting a carrot component in the foods and the beverages. In the invention, a group of specific primer and probe are designed aiming at antifreeze protein of the carrot and according to the conserved sequence of a gene thereof. The carrot component in the foods and the beverages can be rapidly, sensitively and specifically detected by using the primer and the probe and adopting a real-time fluorescence PCR technology. The primer and the probe can be provided with other reagents together in the form of a kit and are used for amplification reaction of nucleic acid. The method has simple operation and good repeatability.
Owner:INSPECTION & QUARANTINE TECH CENT SHANDONG ENTRY EXIT INSPECTION & QUARANTINE BUREAU
Hydrogen fuel battery low-temperature storage device capable of reducing influence of environment on battery pack
PendingCN113928734AAvoid freeze damageAvoid wastingContainers preventing decayShock-sensitive articlesHydrogen fuel cellEngineering
The invention relates to a hydrogen fuel battery low-temperature storage device capable of reducing the influence of the environment on a battery pack. The hydrogen fuel battery low-temperature storage device comprises a protection case, one side of the protection case is provided with a sealing box door, the interior of the protection case is fixedly connected with a fixed screen plate, one side of the fixed screen plate is provided with a battery body, the other side of the fixed screen plate is fixedly connected with a gas collecting hood, one side of the gas collecting hood communicates with an exhaust pipe, a temperature sensor is arranged in the gas collecting hood, and the front end of the protection case is fixedly connected with a digital temperature controller. Moisture in the case can be adsorbed through a silica gel desiccant, so that dryness in the case is guaranteed, it is avoided that the battery is frozen and damaged in the low-temperature environment due to the fact that the moisture in the case is too large, the economic loss condition is effectively avoided, the humidity of the desiccant can be monitored in real time through a humidity sensor, and when the humidity is too high, the desiccant is dried timely by a dryer and then is utilized again, so that use is convenient, and waste of resources can be avoided at the same time.
Owner:上海杰宁新能源科技发展有限公司
Household water pump with freeze protection function
InactiveCN103758745AAvoid freeze damageInnovative designPositive displacement pump componentsPump installationsWater storageEngineering
The invention discloses a household water pump with a freeze protection function. The household water pump comprises a reducer and a water tank, the reducer is provided with a mounting seat, the water tank is arranged at the top of the reducer, a water inlet and a water outlet are formed in the water tank, a branched connection pipe is arranged on the water tank, a manual water valve is arranged on the branched connection pipe which is connected with a water storage bottle through a pipeline, and the water storage bottle is arranged on the base. By the arrangement, a pump shell of the household water pump is prevented from being frozen to cause frost damage; the household water pump is novel in design, simple in structure, simple to manufacture, economical and environment friendly, energy saving and convenient, simple to regulate and control, good in practicability, high in market value and convenient to promote and apply.
Owner:田锋
Circulating cooling water device suitable for oil drilling rig brake system and its application method
InactiveCN105443627BReduce manufacturing costReduce energy consumptionSlack adjustersWater sourcePetroleum
The invention relates to a circulating cooling water device applied to a petroleum driller braking system and an application method. The system comprises a water storing tank, a flow guide plate, a water supplementing loop, a water draining loop and a water returning loop, wherein a heat insulation board is arranged on the inner wall of the water storing tank, and the flow guide plate is arranged in the water storing tank; in case of pouring water into the water storing tank, a water source pipeline can be connected, and a seventh valve can be opened; if a pump A is used for supplying water, a third valve and a fourth valve are opened; if a pump B is used for supplying water, a fifth valve and a sixth valve are opened, a water source valve is opened, and the rest valves are closed; after a water pump is subjected to air exhausting, the pump A or the pump B is started, and a twelfth valve is gradually opened; when the water pouring is finished, the twelfth valve is closed, then the pump A or the pump B is stopped, and the rest opened valves are closed. The circulating cooling water device is low in manufacturing cost; a water storing part is manufactured from common steel and heat insulation material; the circulating water storing tank is free of extra heating in winter, so that the energy consumption can be saved; the water pump and a cooler are reasonably assembled and used, so that the cooling efficiency of the circulating cooling water can be greatly improved.
Owner:LIAONING PETROLEUM MACHINERY MFG
Circulating cooling water device applied to petroleum driller braking system and application method
InactiveCN105443627AReduce manufacturing costReduce energy consumptionSlack adjustersWater sourcePetroleum
The invention relates to a circulating cooling water device applied to a petroleum driller braking system and an application method. The system comprises a water storing tank, a flow guide plate, a water supplementing loop, a water draining loop and a water returning loop, wherein a heat insulation board is arranged on the inner wall of the water storing tank, and the flow guide plate is arranged in the water storing tank; in case of pouring water into the water storing tank, a water source pipeline can be connected, and a seventh valve can be opened; if a pump A is used for supplying water, a third valve and a fourth valve are opened; if a pump B is used for supplying water, a fifth valve and a sixth valve are opened, a water source valve is opened, and the rest valves are closed; after a water pump is subjected to air exhausting, the pump A or the pump B is started, and a twelfth valve is gradually opened; when the water pouring is finished, the twelfth valve is closed, then the pump A or the pump B is stopped, and the rest opened valves are closed. The circulating cooling water device is low in manufacturing cost; a water storing part is manufactured from common steel and heat insulation material; the circulating water storing tank is free of extra heating in winter, so that the energy consumption can be saved; the water pump and a cooler are reasonably assembled and used, so that the cooling efficiency of the circulating cooling water can be greatly improved.
Owner:LIAONING PETROLEUM MACHINERY MFG
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