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79 results about "Hydrocarbon pollution" patented technology
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Hydrocarbon pollution. It’s caused mainly by accidents on oil platforms and ships used for hydrocarbon transport but also by discharging into the sea of water used to wash tanks of tanker vessels.
Configurations and methods for acid gas and contaminant removal with near zero emission
InactiveUS20060150812A1Reduce temperature riseEnhance selective absorptionProductsLiquid degasificationWaste streamHydrocotyle bowlesioides
A gas (1) comprising hydrogen sulfide, carbon dioxide, and hydrocarbon contaminants is treated in a plant (FIG. 2) in a configuration in which waste streams are recycled to extinction. In especially preferred aspects of contemplated methods and configurations, hydrogen sulfide and other sulfurous components are converted to a sulfur product (37), carbon dioxide (44A) is separated at a purity sufficient for enhanced oil recovery or sale, and hydrocarbon contaminants are purified to a marketable hydrocarbon product (49).
Owner:FLUOR TECH CORP
Configurations and methods for acid gas and contaminant removal with near zero emission
InactiveUS7597746B2Reduce temperature riseEnhance selective absorptionProductsLiquid degasificationHydrocotyle bowlesioidesWaste stream
Owner:FLUOR TECH CORP
Method for restoring oil polluted wet land by combination of plant and microorganism
InactiveCN101954373ABright and clean colorLess investmentContaminated soil reclamationEcological environmentMass ratio
The invention relates to a method for restoring oil polluted wet land by combination of plant and microorganism. The method concretely includes: soil of oil polluted wet land to be restored is collected, autochthonous oil-munching bacterium screening is carried out by utilizing an inorganic salt culture medium containing the oil contamination, the culture and screening of autochthonous oil-munching bacterium are enlarged, and the autochthonous oil-munching bacterium is made into active bacterium preparation with OD600 of about 1.5 by adopting nutrition substrate with the urea concentration of 40g / L and the calcium superphosphate concentration of 15g / L; scripus triqueter seedling or scripus triqueter seed is planted in the oil polluted wetland soil, and planting density is 2500-5000 plants / m2; when seedling grows vigorously, the active bacterium preparation obtained by the step a is added into the root system soil planted with scripus triqueter seedling according to the mass ratio of about 100:1, when flowering period and mature period are finished, under the combined action of oil-munching bacteria and root system of plant, the oil polluted wet land is restored. Compared with the traditional soil management method, the method of the invention has the advantages of less investment, less work amount, low technical requirement and no secondary pollution. The restoring process not only can not destroy soil entironment but also is beneficial to improving soil degradation and productivity reduction which are caused by petroleum hydrocarbon pollution and recovering and improving biodiversity of soil.
Owner:SHANGHAI UNIV
Process for oxidative exhaust gas cleaning
A process is provided for destroying organic contaminants, such as oil mists from workshop rooms, formaldehyde and aromatics, out of exhaust gases by passing the exhaust gas through two reactors connected in a parallel arrangement to a contaminated exhaust gas inlet. Each of the two reactors is equipped with a plurality of serially arranged reaction zones, wherein each reaction zone contains an upstream catalyst (such as a commercial wire knit catalyst); a downstream absorbent (such as Y zeolite or H-ZSM) and a heater. A major portion of the contaminated exhaust gas is passed through one of the two reactors, while, simultaneously, a minor portion of the contaminated exhaust gas is passed through the other reactor. After a period of time, the exhaust gas flow rate through the two reactors is reversed so that a major portion of the exhaust gas now flows through the reactor that previously had a minor portion of the exhaust gas flowing through it and a minor portion of the exhaust gas now flows through the reactor that previously had a major portion of the exhaust gas flowing through it, so that the process is cyclical in this manner. When a major portion of the exhaust gas flows through a reactor, the hydrocarbon contaminants are sorbed into the absorbent. When a minor portion of the exhaust gas flows through a reactor, the reactor is heated to the catalyst light-off temperature so that the contaminants within the exhaust gas and the contaminants released from the absorbent are catalytically destroyed in a downstream catalyst in an adjacent downstream reaction zone.
Owner:JENOPTIK KATASORB
High efficiency low hydrocarbon emmisson hybrid power plant using operational aspects of both internal combustion and jet engines
InactiveUS6920761B2Low level of hydrocarbon emissionImprove fuel efficiencyGas turbine plantsJet propulsion plantsCombustion chamberOperating point
The method and apparatus of the present invention discloses a power plant operating at low inlet pressure and temperature using a combination of conventional internal combustion engine techniques and jet engine techniques. The combination of a unique combustion chamber design, a novel variable impedance blade set turbine and a closed loop control system allows a variable resonant frequency for combusted gases. As the resonant frequency is approached a control mechanism uses sensor data to maintain the operating point such that maximum power output is achieved for a given throttle setting. The combination of the unique combustion chamber design, multiple fuel injector / sparking device pairs, finely atomized fuel, excess oxygen and the closed loop control system further provides a very linear power curve with low exit hydrocarbon pollution levels and high fuel efficiency.
Owner:LAPER DENNIS A
Hydrocarbon polluted shallow groundwater magnetic resonance detection device and hydrocarbon polluted shallow groundwater magnetic resonance detection method
ActiveCN103852794AHigh strengthOvercome the shortcomings of inaccurate results caused by unevennessAnalysis using nuclear magnetic resonanceDetection using electron/nuclear magnetic resonanceResonance measurementElectric power
Owner:JILIN UNIV
Method of in situ bioremediation of hydrocarbon-contaminated sites using an enriched anaerobic steady state microbial consortium
InactiveUS20100216219A1Enhance in situ bioremediationStable stateSolid waste disposalContaminated soil reclamationBiologyHydrocarbon
A method for in situ bioremediation of hydrocarbon-contaminated sites using an enriched steady state microbial consortium capable of modifying crude oil components under anaerobic denitrifying conditions is disclosed.
Owner:EI DU PONT DE NEMOURS & CO
Steady state anaerobic denitrifying consortium for application in in-situ bioremediation of hydrocarbon-contaminated sites and enhanced oil recovery
InactiveUS20100216217A1Stable stateEnhanced overall recoveryBacteriaContaminated soil reclamationMicrobial enhanced oil recoveryIn situ bioremediation
Enriched steady state microbial consortiums for microbial enhanced oil recovery and in situ bioremediation of hydrocarbon-contaminated sites, under anaerobic denitrifying conditions, are disclosed.
Owner:EI DU PONT DE NEMOURS & CO
An electronic nose system for rapid detection of volatile chlorinated hydrocarbon pollution
ActiveCN102297878ARapid identification and quantitative detectionEliminate distractionsPreparing sample for investigationMaterial analysis by electric/magnetic meansAutomatic controlEngineering
An electronic nose system for rapid detection of pollution of volatile chlorinated hydrocarbons. The electronic nose system comprises a gas chamber gas passage unit which comprises a gas pipe, a pump, a magnetic valve, a conversion joint and a gas chamber and can finish processes of gas collection, detection, flushing and the like through controlling states of the magnetic valve and the pump, a gas pretreatment unit which is arranged in front of a gas inlet of the gas chamber gas passage unit and is utilized for removing moisture and interfering substances, a sensor unit which is arranged in the gas chamber and is utilized for acquisition of gas response signals, an embedded system which is arranged outside the gas chamber and is utilized for automatic control of the whole electronic nosesystem and processing, display and storage of signals, and a system housing which comprises an external casing, buttons, a mainboard, a display screen, a power supply module and the like and is utilized for providing power and data monitoring real-time display for the whole electronic nose system. The whole electronic nose system is controlled by the embedded system and has the advantages of low power dissipation, small volume, light weight, convenience of carrying, and effect of realization of online environmental monitoring.
Owner:YANGTZE DELTA REGION INST OF TSINGHUA UNIV ZHEJIANG
Method for repairing oil polluted soil using ornamental plant morning-glory
InactiveCN101433906AWon't breakReduce degradationContaminated soil reclamationEcological environmentPollution soil
The invention relates to phytoremediation technology for organic poison polluted soil, in particular to a method for restoring petroleum-polluted soil by utilizing an ornamental plant, namely morning glory. The method adopts the technical proposal that adequate sand is doped into the petroleum-polluted soil; morning glory seeds are soaked by distilled water until seed hulls are expanded and cracked, and subjected to spot seeding into petroleum hydrocarbon polluted soil; and the morning glory planted in the petroleum hydrocarbon polluted soil adopts outdoor planting and watering at a fixed period, and the water content of the soil is maintained to be 70 to 80 percent of the field capacity. Compared with the prior method for treating the petroleum-polluted soil, the method has the advantages of small investment, small engineering quantity, low technical requirements and so on, and can not cause secondary pollution, and simultaneously the restoring process not only can not damage the ecological environment of the soil but also helps to improve soil degradation and productivity reduction caused by petroleum hydrocarbon pollution and recover and improve the biodiversity of the soil.
Owner:NANKAI UNIV
Evaporative desorption soil treatment apparatus and process
InactiveUS20040159004A1Drying using combination processesDrying solid materials with heatSoil scienceSoil treatment
Owner:BRADY ENVIRONMENTAL INC +1
Fuel transfer coupling
Owner:SCHULTZ JR ROBERT L
Process for cleaning hydrocarbons from soils
A combination of parallel processes to provide optimal re-mediation operations for contaminated soil. Soils with high levels of heavy petroleum hydrocarbons are directed to a thermal process for destruction in a combustion process. Carbon dioxide generated and recovered in the thermal process is employed as a solvent in a solvent process to clean other soils of petroleum hydrocarbons and certain chlorinated hydrocarbon compounds. In the solvent process, contaminated soils are run through a closed soil separator where the soils are washed with carbon dioxide. The carbon dioxide is then dried from the soil and the soil is sent for segregation. Soils with the lightest forms of hydrocarbon contamination (gasoline, etc.) are subjected to a vaporization process utilizing heat energy generated in the thermal process to heat the soil, under a partial vacuum, and the vapors generated are captured, condensed, and recovered as product.
Owner:CLARK STEVE L
Method for cleaning oil from drill cuttings
This application relates to an apparatus and method for cleaning drill cuttings recovered from a wellbore. Specifically, the apparatus includes an effective system for handling and washing drill cuttings at a well site to remove hydrocarbon contaminants. The system successively washes hydrocarbon contaminated drill cuttings in organic solvent and water to remove and recover the hydrocarbon contaminates, and produce cleaned drill cuttings that may enable disposal of clean drill cuttings without further treatment.
Owner:RECOVERY ENERGY SERVICES INC
In-situ detection system for straight section distribution of petroleum hydrocarbon contaminants at contaminated sites
ActiveCN111089852AImprove detection efficiencyImprove repair efficiencyColor/spectral properties measurementsFluorescence/phosphorescenceSoil scienceFluorescence spectra
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
Stenotrophomonas maltophilia, microbial inoculum containing stenotrophomonas maltophilia and application and diesel-degrading method thereof
ActiveCN106497810AEfficiently tolerate and degradeNormal growthBacteriaWater contaminantsHigh concentrationStenotrophomonas maltophilia
Owner:粮华生物科技(北京)有限公司
Heat repairing method for organic contaminated soil
PendingCN106903154AImprove pyrolysis effectStrong thermal decompositionContaminated soil reclamationHalohydrocarbonDecomposition
The invention provides a heat repairing method for organic contaminated soil. Smoke of a combustion furnace is used for heating the organic contaminated soil in an in-situ or different-position manner, and heavy metal type pollution, pesticide type pollution, hydrocarbon pollution and biology and nutrient type pollution are separated from the soil. According to the method, the strong heat decomposition and stabilizing functions are achieved for the pollutants which belong to the heavy metal type such as chromium, cadmium, mercury, arsenic, lead, copper, zinc and nickel; the organic pollutants which belong to the pesticide type such as insecticide, acaricide, bactericide, herbicide, nematicide and a plant growth regulator can be effectively desorbed at the high temperature; the extremely high pyrolysis effect is achieved for hydrocarbon pollutants including petroleum hydrocarbon, halohydrocarbon, polycyclic aromatic hydrocarbon and the like; and the biology and nutrient type pollutants can be completely decomposed at the high temperature.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
Method for repairing oil polluted soil using ornamental plant Mirabilis jalapa
InactiveCN101406897AReduce degradationReduce production capacityContaminated soil reclamationMirabilis jalapaEcological environment
The invention relates to a plant repairing technology for the soil contaminated by toxic organic materials, in particular to a method for repairing the soil contaminated by petroleum through the ornamental plant of common four o'clock. Common four o'clock is implanted in the soil contaminated by petroleum and is removed from the contaminated soil when the common four o'clock grows into a flowering stage; and the plant is implanted repeatedly to continuously reduce the excessive petroleum pollutant in the contaminated soil till the pollutant content reaches an environmental safety standard. Compared with the prior remediation method for the contaminated soil, the method has the advantages of little investment, low workload, not high technical requirements, and the like. In addition, as the method is a green home-position remediation technology, the harvested plant is processed collectively without causing secondary pollution; and simultaneously the repairing process not only has no damage on the soil ecological environment, but also benefits the improvement of the soil degradation and productivity reduction caused by petroleum hydrocarbon pollution and recovers and improves the biological diversity of the soil. The planting of the common four-o'clock can beautify the environment while simultaneously controlling environmental pollution, thereby bringing about good ecological benefits.
Owner:NANKAI UNIV
Method for predicting degradation rate of sodium persulfate in remediation of petroleum hydrocarbon contaminated soil
ActiveCN109298002AEasy to operateGood forecastMaterial analysis using wave/particle radiationMaterial analysis by optical meansSoil remediationSoil organic matter
The invention belongs to the technical field of soil remediation, and provides a method for predicting the degradation rate of sodium persulfate in remediation of petroleum hydrocarbon contaminated soil. According to the method for predicting the degradation rate of sodium persulfate in remediation of the petroleum hydrocarbon contaminated soil, the problem that the remediation effect of sodium persulfate on petroleum hydrocarbon pollution in different soils is greatly different exists, and the remediation effect is influenced by factors such as the content of soil mineral elements, the content of soil organic matter, the total amount and effective state of petroleum hydrocarbon and remediation conditions, so that a series of soil remediation experiments are carried out, and a correlationmodel between the degradation rate of soil petroleum hydrocarbon and various factors is established by adopting a multiple quadratic regression method. The model is verified, the model is proved to have good prediction ability, the degradation rate of sodium persulfate in remediation of petroleum hydrocarbon pollution in different soils can be effectively predicted, and guiding significance is provided for the application of sodium persulfate in remediation of soil petroleum pollution.
Owner:DALIAN UNIV OF TECH
Recovering hydrocarbons
InactiveUS20120018385A1Fatty/oily/floating substances removal devicesWater cleaningCelluloseHydrocotyle bowlesioides
Methods of recovering hydrocarbons from an area that is contaminated or threatened with contamination with hydrocarbons may include deploying hydrophobic absorbent material such that at least some of the hydrophobic absorbent material contacts at least some of the hydrocarbons, allowing the hydrophobic absorbent material to absorb at least some of the hydrocarbons, and collecting the hydrophobic absorbent material from the area using a netting apparatus. The hydrophobic absorbent material may include cellulose treated with borax.
Owner:COLLABORENT GROUP
Hydrocarbon decomposition for soil and water remediation
InactiveUS8415522B2Promote plant growthSolve the real problemOrganic chemistrySeawater treatmentRoom temperatureHigh pressure
Owner:GUTIERREZ PEDRO MURILLO
Fuel transfer coupling
Provided herein are couplings useful in the transfer of liquid fuels from a remote storage reservoir to an on-board fuel tank of a motorized vehicle. There is provided a first coupling which is adapted to be in fluid communication with the interior of a vehicle's fuel tank, and a second coupling which is intended to be in fluid communication with the contents of a remote fuel storage reservoir. The invention also includes a process for charging a fuel reservoir on board of a motorized vehicle from a remote reservoir, wherein the vapor in the fuel reservoir is displaced by an equal volume of fuel delivered from said remote reservoir, and wherein the vapor in said fuel reservoir is simultaneously caused to be transferred to said remote reservoir, thus permitting no escape of the vapor from said fuel reservoir to the surrounding atmosphere. Through use of the present invention, spills of fuel are essentially eliminated, and the escape of vapors from the vehicle's fuel tank are prevented, thus preventing atmospheric hydrocarbon pollution.
Owner:SCHULTZ JR ROBERT L
Chromium resistant paenarthrobacter nicotinovorans M23A and application thereof
ActiveCN110184207ARich strain resourcesFill in research gapsBacteriaContaminated soil reclamationPaenarthrobacterChromium
The invention discloses chromium resistant paenarthrobacter nicotinovorans M23A and an application thereof, and relates to paenarthrobacter nicotinovorans. The paenarthrobacter nicotinovorans is preserved in the China Center for Type Culture Collection on 27 November 2018, the address is Wuhan University, Wuhan, China, the postcode is 430072, and the preservation number in the preservation centeris CCTCC NO:M 2018833. The invention relates to an application of the paenarthrobacter nicotinovorans for governing petroleum hydrocarbon pollution of soil. The separation and the application of the paenarthrobacter nicotinovorans (Paenarthrobacter nicotinovorans) M23A further enrich strain resources in the field, the research blank in the respect is effectively filled, a feasible scheme is provided for practice work of governing mixed petroleum hydrocarbon pollution environment, and enormous research value and application prospect are displayed.
Owner:THIRD INST OF OCEANOGRAPHY MINIST OF NATURAL RESOURCES
Petroleum hydrocarbon pollution removal composition and applications thereof
ActiveCN109553180AEfficient degradationProlong the effective timeWater contaminantsWater/sewage treatment by oxidationPersulfateSludge
The present invention provides a petroleum hydrocarbon pollution removal composition and applications thereof, wherein the composition comprises persulfate and copper nanoparticles (CuNPs), and the persulfate and the copper nanoparticles (CuNPs) are separately sub-packaged. According to the present invention, the copper nanoparticles prepared by using the DNA template have a particle size of 23+ / -8 nm, and the preparation method is simple and rapid; the mass concentration ratio of the persulfate to the DNA-CuNPs colloidal solution is 0.1 g / L:(10-20) equivalent; with the novel persulfate oxidation system provided by the invention, the efficient degradation of the difficultly-degraded pollutant component polycyclic aromatic hydrocarbon pyrene in the petroleum hydrocarbon can be achieved under the mild room temperature condition, the chemical sludge is almost not generated within the neutral and alkaline pH value range, and the problems of the difficult treatment of the iron mud in the traditional homogeneous catalyst system and secondary pollution caused by the use of a large amount of the traditional homogeneous catalyst system are solved to a certain extent.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1
System and method for washing mechanical parts
InactiveUS20160052023A1Maximum oxidative degradationDetergent mixture composition preparationElectrostatic cleaningHydrocotyle bowlesioidesPhysical chemistry
A system for washing mechanical parts polluted with hydrocarbons is described, which includes a) a cleaning fluid; b) an enzymatic complex that catalyzes the oxidative degradation of hydrocarbons coating the mechanical parts, wherein said enzymatic complex is located within a filter cartridge; and, c) a washing sink. By using the described system, daily degradation efficiency from 250 to 500 g of transformed hydrocarbons in CO2 and H2O is achieved. Moreover, a method to perform washing of mechanical parts is described.
Owner:DECISIONES AMBIENTALES S A DE
Continuous coolant purification process and device
InactiveUS20130206580A1Less floor spaceCompact processSolid sorbent liquid separationEvaporationParticulatesActivated carbon filtration
A fluid processing device is provided for recycling a previously used water and glycol containing fluid by removing contaminants including hydrocarbon, metals, particulates and water contaminants from the water and glycol containing fluid. The device includes a particulate filter for removing particulates, an activated carbon filter for removing hydrocarbon contaminants, a micron-sized filter for removing at least one of particulate and metal contaminants, a high pressure membrane filter for removing contaminants and water, and a heater for heating the glycol containing fluid to a temperature at least near the boiling point of water in a predetermined reduced pressure atmosphere. The device also includes a low pressure separator having a tank kept generally at or near the predetermined reduced pressure for removing additional water from the water and glycol containing fluid. The low pressure separator includes a first exit port for removing separated water from the separator as steam, and a second exit port for removing substantially water free glycol based fluid from the low pressure separator.
Owner:OAKWOOD FOODS LLC
Sleeve type bioelectrochemical reactor for in-situ remediation of chlorinated hydrocarbon pollution of shallow groundwater
ActiveCN112661255ASimple and fast operationSuitable for complexityWater contaminantsWater/sewage treatment using germicide/oligodynamic-processHalohydrocarbonElectron donor
The invention relates to a sleeve type bioelectrochemical reactor for in-situ remediation of shallow groundwater polluted by chlorinated hydrocarbon, in particular to a bioelectrochemical reactor for in-situ remediation of shallow groundwater polluted by halogenated hydrocarbon. The bioelectrochemical dehalogenation technology is utilized, electrons are provided for dehalogenation breathing bacteria through the biological cathode, and completion of biological dehalogenation breathing is promoted, so that the problem that exogenous electron donors in underground water are insufficient is solved. A cathode of the reactor comprises a stainless steel cylinder with holes uniformly distributed in the surface and a carbon felt; the upper section of the bottom cylinder is of a straight cylinder structure, the lower section is of a conical cylinder structure, the upper edge of the bottom cylinder is connected with the stainless steel cylinder, and the check ball is located in the lower section of the bottom cylinder. The anode is located in the stainless steel cylinder, the PVC pipe is located between the anode and the cathode, and the anode and the cathode are electrically connected through an external direct-current power source. The device can be arranged in an in-situ monitoring well with a smaller caliber, is simple and convenient to operate, and is suitable for the characteristics of complex underground water environment and inconvenient operation conditions.
Owner:HARBIN INST OF TECH
Method for efficiently repairing petroleum hydrocarbon pollution of soil
PendingCN113305142APromote degradationStrong oxidation abilityContaminated soil reclamationCalcium hydroxideSoil science
The invention discloses a method for efficiently repairing petroleum hydrocarbon pollution of soil. The method comprises the following steps of cleaning, mixing and maintaining. Calcium oxide reacts with water to generate calcium hydroxide, and a large amount of heat is released in the reaction process; due to the fact that calcium hydroxide is strongly alkaline, sodium persulfate activated by quick lime can provide the complementary activation effect of alkali activation and thermal activation at the same time; Na2S2O8 reacts with OH <-> in a liquid phase to generate OH<2->, then Na2S2O8 reacts with S2O8<2-> to cause-O-O-bond breakage to generate SO4 <->.; SO4 <-> is mainly produced under acidic and neutral conditions (pH = 2-7) and is relatively stable in a solution; in a solution having a pH greater than 8.5, SO4 <-> oxidizes water or OH <-> to gradually produce OH. with an increase in proportion, while in an alkaline solution (pH greater than 12), OH. is mainly produced; and because the oxidizability of OH. is stronger than that of SO4 <->, the-O-O-bond is broken to cause the production of SO4<->., and the oxidation of pollutants is realized.
Owner:广州穗土环保工程有限公司
Sample preparation device for detecting petroleum hydrocarbon pollution in soil
PendingCN114002407AEasy to useShorten the timePreparing sample for investigationEarth material testingPetroleum oilSample preparation
The invention discloses a sample preparation device for petroleum hydrocarbon pollution detection in soil; the sample preparation device comprises a sleeve, an outer pipe and an inner pipe, wherein the outer pipe is located in the sleeve, the inner pipe is located in the outer pipe, and the top end of the inner pipe is fixedly connected with a fixing plate. In the sample preparation device for detecting the petroleum hydrocarbon pollution in the soil, the two ends of the cross rod penetrate through the outer pipe and extend into the outer pipe. After the sampling is finished, the sample can be immediately crushed and screened, so that in the process of returning to a laboratory, the sample can be prepared and packaged by a packaging bottle, more time is saved, and the sampling device is convenient to use. The device can be used for two purposes; wherein the top end of the inner pipe is fixedly connected with the fixing plate, the outer pipe is convenient to disassemble and assemble, and the inner pipe is located at the bottom of the interior of the outer pipe during sampling and located on the upper portion of the interior of the outer pipe during crushing and screening, so that enough space is provided for screening.
Owner:JIANGSU TIANYU DETECTION TECH CO LTD
Hydrocarbon-contaminated shallow groundwater magnetic resonance detection device and detection method
ActiveCN103852794BHigh strengthOvercome the shortcomings of inaccurate results caused by unevennessAnalysis using nuclear magnetic resonanceDetection using electron/nuclear magnetic resonanceResonance measurementEngineering
Owner:JILIN UNIV
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