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32 results about "Tertiary" patented technology
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Tertiary (/ˈtɜːr.ʃə.ri, ˈtɜːr.ʃiˌɛr.i/ TUR-shə-ree, TUR-shee-err-ee) is a widely used, but obsolete term for the geologic period from 66 million to 2.6 million years ago. The period began with the demise of the non-avian dinosaurs in the Cretaceous–Paleogene extinction event, at the start of the Cenozoic Era, and extended to the beginning of the Quaternary glaciation at the end of the Pliocene Epoch. The time span covered by the Tertiary has no exact equivalent in the current geologic time system, but it is essentially the merged Paleogene and Neogene periods, which are informally called the Lower Tertiary and the Upper Tertiary, respectively.
Draw-down test analysis method for underground shut-in water well with low-permeability storage layer
The invention provides a draw-down test analysis method for an underground shut-in water well with a low-permeability storage layer, and the method is applied to the technical field of oil well tests in oil fields. In the method, a base data analysis unit, a primary base feature analysis unit, a secondary main control factor analysis unit and a tertiary data analysis model unit are utilized, wherein the primary base feature analysis unit is used for utilizing the base data of the base data analysis unit to determine a geologic model for detection and analysis, judging the pressure propagation characteristic of the low-permeability storage layer and forming the superposition mode of bottomhole pressure drawdown in a drawn-down test; the secondary main control factor analysis unit is used for carrying out diagnostic analysis on the control degree of a geologic factor, a process factor and a dynamic factor on the pressure drawdown mode of the drawn-down test and determining main control factors according to the conclusion of the primary base feature analysis unit; and the tertiary data analysis model unit is used for selecting the draw-down test analysis method according to the conclusions of the primary base feature analysis unit and the secondary main control factor analysis unit and adopting different well test interpretation models according to the main control factors.
Owner:PETROCHINA CO LTD
Tertiary optical detection machine for IC (integrated circuit) strips and operating method thereof
ActiveCN102359968ASmooth entryOptically investigating flaws/contaminationConveyor partsEngineeringIntegrated circuit layout
The invention discloses a tertiary optical detection machine for IC (integrated circuit) strips and an operating method thereof. The tertiary optical detection machine comprises a strip conveying system and an optical detection system. The strip conveying system comprises a strip conveying guide rail, guide rail grooves which are opposite to each other are respectively arranged on a front sectionand a rear section of the strip conveying guide rail, and strips can be inserted into the guide rail grooves from two sides in the length direction. The optical detection system comprises an illumination device and a track moving device, wherein the track moving device is used for driving the illumination device to move in both length and width directions of the strips, and the illumination device comprises a camera and a coaxial light generator below the camera. Besides, the position relation of the coaxial light generator and the camera includes that light emitted from the coaxial light generator and coaxial with a lens of the camera is reflected by the strips and then is emitted to the lens directly through the coaxial light generator. Information of chip wires can be shot through the camera by the aid of the coaxial light generator mounted below the camera, and high-definition pictures can be shot when the track moving device drives the illumination device to move in a high speed.
Owner:SHENZHEN GRAND INNOSYS CORP
Tertiary filter
InactiveUS20050139557A1Easy to cleanImprove efficiencyWater/sewage treatmentMembrane filtersFiber bundleFilter media
A filter cloth of long pile fiber bundles is used as a tertiary filter in a wastewater processing method. The filter may be backwashed by a rotating suction head which does not touch the filter cloth. A combination of countercurrent and horizontal flow dislodges entrained solids from the filter cloth. Mounting of the filter media as modular components permits increased capacity within a single tank while avoiding down time in changeover of filter media.
Owner:NEXOM US INC
Tertiary filter
ActiveUS7537689B2Less energyEasy maintenanceMembrane filtersLoose filtering material filtersPump headSuspended solids
Owner:NEXOM US INC
Systems and methods for predicting the structure and function of multipass transmembrane proteins
InactiveUS20050136481A1Fast and accurate procedureMinimizing energyBiological testingSequence analysisProtein structureMolecular modelling
The invention provides computer-implemented methods and apparatus implementing a hierarchical protocol using multiscale molecular dynamics and molecular modeling methods to predict the structure of transmembrane proteins such as G-Protein Coupled Receptors (GPCR), and protein structural models generated according to the protocol. The protocol features a combination of coarse grain sampling methods, such as hydrophobicity analysis, followed by coarse grain molecular dynamics and atomic level molecular dynamics, including accurate continuum solvation. Also included are energy optimization to determine the rotation of helices in the (seven-helical) TM bundle, and optimization of the helix translations along their axes and rotational optimization using hydrophobic moment of the helices, to provide a fast and accurate procedure for predicting GPCR tertiary structure.
Owner:CALIFORNIA INST OF TECH
Tertiary filter
ActiveUS20050000870A1Less energyEasy maintenanceMembrane filtersLoose filtering material filtersPump headVacuum pump
An apparatus for filtering suspended solids from a liquid having a group of filters mounted inside a filter chamber. The filters divide the chamber into dirty liquid chambers and clean liquid chambers. A wash assembly is disposed within the chamber having vacuum / pump heads in contact with the filters rotates within the chamber. The vacuum / pump heads are connected to a pump and vacuum source located either within or without the apparatus. The vacuum / pump heads either vacuum material up or spray material therefrom in order to clean the filters. As the wash assembly rotates, the vacuum heads are able to contact and clean the entire surface of the filters. The filters are reasonably mounted in the chamber such that they may be removed from the chamber for servicing / replacement without the need to drain the chamber or enter the chamber.
Owner:NEXOM US INC
Tertiary filter
InactiveUS7678284B2Increase capacityQuick changeWater/sewage treatmentMembrane filtersFiber bundleFilter media
Owner:NEXOM US INC
Tertiary filter
InactiveCN101991998AImprove dehydration effectReduce loadCombination devicesProcess engineeringProduct gas
The invention relates to a tertiary filter which comprises a tank body with a gas inlet and a gas outlet, and a baffle filtering device, a cooling filtering device and a filter element filtering device are arranged in the tank body from bottom to top in sequence. Compared with the prior art only using the filter element filtering device to filter, the invention is applicable to the filter element filtering device of a gas with high temperature and high moisture content and has wide application range. Moreover, because the gas is filtered by the first two levels of filtering devices, the load of the filter element in the filter element filtering device at the third level is much smaller than that of the traditional structure, and the service life of the filter element is longer.
Owner:张文波
Agricultural three-stage cereal screening device
InactiveCN107030008AEffective collection and separationEasy to control feed rateGas current separationThree stageAgricultural engineering
The invention discloses a three-stage screening device for agricultural grains, which comprises a screening box installed on a frame, the screening box is fixed on the upper end of the frame, and a material inlet is provided in the middle part on the left side of the top of the screening box. There is an auger feeding mechanism at the butt joint of the feed port; a blast pipe is provided on the right side of the feed port, and the blast pipe is connected with an external blower; inside the screening box, a coarse screen and a fine screen are installed at intervals from top to bottom. net; on the right side of the screening box, there are first sundries outlet, grain outlet and second sundries outlet; a shock-absorbing base is installed in the middle of the bottom end of the frame, and a vibration motor is fixed on the shock-absorbing base, and an eccentric connection The rod assembly connects the vibrating end of the vibrating motor with the bottom of the bottom plate of the screening box. The left side of the screening box is provided with a suction pipe, and the inner end of the suction pipe communicates with the inside of the screening box through multiple suction ports, and the outer end is connected to the bag filter. butt.
Owner:侯小芳
Well head system for geothermal tertiary system sandstone recharge
InactiveCN1587861AEase the workloadPrevent bringing inOther heat production devicesGeothermal energy generationFiltrationChemical factor
The invention concretely relates to reinjection technique of geothermal well of geothermal resource exploitation and utilization engineering can be used in geothermy tertiary sandstone reinjection collar system mainly use two-staged coarse filter group4 reinjection system linked in series of coarse filter group and secondary filter group with parallel connection, pressurizing reinjection pump and enforced exhaust tank geothermic fluid flows into the first stage of coarse filter group with filtration accuracy of 50 to 80mum, then the second stage of secondary filter group with filtration accuracy of 3to5mum, the filter element material is the third generation polyethylene sintered filter element or filtration bag, after two filtration stages water quality can be guaranteed basically. The invention can prevent air resistance caused by physical, microbe, chemical factors, increase microbe higher than 30%. The system is installed and adjusted conveniently, maintained simple, its monitoring method complete, although it is aimed at sandstone formation, it can also be adopted for other layer like and can exploit and utilize tertiary geothermal resource reasonably.
Owner:TIANJIN UNIV
Well head system for geothermal tertiary system sandstone recharge
InactiveCN1306226CEase the workloadPrevent bringing inOther heat production devicesGeothermal energy generationFiltrationWater quality
The invention concretely relates to reinjection technique of geothermal well of geothermal resource exploitation and utilization engineering can be used in geothermy tertiary sandstone reinjection collar system mainly use two-staged coarse filter group4 reinjection system linked in series of coarse filter group and secondary filter group with parallel connection, pressurizing reinjection pump and enforced exhaust tank geothermic fluid flows into the first stage of coarse filter group with filtration accuracy of 50 to 80mum, then the second stage of secondary filter group with filtration accuracy of 3to5mum, the filter element material is the third generation polyethylene sintered filter element or filtration bag, after two filtration stages water quality can be guaranteed basically. The invention can prevent air resistance caused by physical, microbe, chemical factors, increase microbe higher than 30%. The system is installed and adjusted conveniently, maintained simple, its monitoring method complete, although it is aimed at sandstone formation, it can also be adopted for other layer like and can exploit and utilize tertiary geothermal resource reasonably.
Owner:TIANJIN UNIV
Surface enhanced Raman substrate suitable for detection of polycyclic aromatic hydrocarbon in seawater
The invention relates to a high-sensitivity surface enhanced Roman substrate, which is obtained by adopting the following steps of: functionalizing a quartz plate by utilizing trimethoxy silane, soaking the functionalized quartz plate in gold sol to prepare a gold sol membrane, self-assembling 25, 27-dimercaptoacetate-26,28-dyhydroxyl-4-tertiary butyl calixarene which as special selective adsorption to the polycyclic aromatic hydrocarbon to the surface of the gold sol membrane, and modifying the calixarene. The gold sol substrates with different degree modifications of calixarene can be obtained by controlling the soaking time of the gold sol membrane in a calixarene ethanol solution; and the optimal surface enhanced Raman substrate suitable for field detection of the polycyclic aromatic hydrocarbon is obtained by comparing the enhancement effects of all substrates. Because the calixarene has lyophobic property and can protect a metal nanomaterial from corroding by seawater, therefore the substrate is also suitable for detection of the polycyclic aromatic hydrocarbon in the seawater.
Owner:QINGDAO AGRI UNIV
Tertiary air hose elbow of cement kiln
The invention relates to a tertiary air hose elbow of a cement kiln. The tertiary air hose elbow comprises an outer wall and an inner wall, wherein the outer wall and the inner wall are arc-shaped, and at least one convex block is arranged on the inner wall. The invention has the advantages that: the convex block is arranged in the elbow and made of corundum-mullite pouring materials through pouring, so that the convex block bears washout and erosion of heated air flow; and due to the reduction of the washout and the erosion of the air flow to the inner wall of the elbow, the use performance of the pouring material on the inner wall of the elbow is ensured and the use performance of the elbow is improved.
Owner:长兴兴鹰新型耐火建材有限公司
Tertiary automobile collision buffering device
The invention relates to a tertiary buffering device for mitigation of automobile collision. The tertiary buffering device comprises a rubber layer, an airbag layer and a spring layer and can be mounted at one part, easy to have a collision, of an automobile, such as an automobile head, an automobile tail and side positions of the automobile. The rubber layer, the airbag layer and the spring layerare arranged in sequence from right to left; the rubber layer is bonded with the airbag layer through sticky connection; the airbag layer is fixedly connected with the spring layer through a bolt; the spring layer is fixed at one part easy to have a collision, such as the automobile head, the automobile tail and an automobile door, through a bolt; two pressure limiting holes are formed in the airbag layer and controlled by a pressure limiting opening mechanism; and when the pressure in the airbag layer reaches a preset value, the pressure limiting mechanism is started so that the air in an airbag enters into the pressure limiting holes via air holes in the two sides of the pressure limiting mechanism and are exhausted via air exhaust holes in the two sides of the spring layer. According to the tertiary buffering device, the impact force generated in the automobile collision process can be effectively neutralized, the damage degree of the automobile can be reduced, the passenger safetycan be protected, the manufacturing cost is low, and the device is effective and practical.
Owner:HARBIN UNIV OF SCI & TECH
Age Differentiation of Late Cretaceous-Tertiary Sourced Oils
An angiosperm index-1 and an angiosperm index-2 are correlated to an age of a liquid hydrocarbon sample and can be used to distinguish oil age of Late Cretaceous (100-65 million years before present, or 100-65 Ma BP) vs. Paleogene (65-55 Ma BP) vs. Eocene or younger (<55 Ma BP). This method improves over existing methods that cannot distinguish oil age between Late Cretaceous and Miocene (ca. 100-5 Ma BP).
Owner:EXXONMOBIL UPSTREAM RES CO
Tertiary wastewater filtration using inclined filter media and internal reverse flow backwashing of filter disks
ActiveUS8734641B2Improve efficiencyImprove filtering effectLoose filtering material filtersCartridge filtersInternal pressureCompressed fluid
A wastewater tertiary media filtration system capable of enhancing filtration performance while including backwashing capabilities that eliminate turbidity spikes by using compressed fluid injected to the interior of submerged includes a filter tank having an inlet and an outlet with a plurality of pile cloth media filter disks disposed in generally parallel relation between the inlet and outlet. Each filter disk preferably includes opposing filter panels disposed in generally parallel spaced relation and supported by a frame. The filter disks may be angularly disposed at approximately 55-degrees relative to horizontal so as to maximize settlement velocity in accordance with the advantages of inclined plate technology. Backwashing is primarily accomplished by injecting compressed fluid (such as air) to the interior of each filter disk assembly whereby accumulated solids are blown off of the cloth filter media by reverse flow. Injecting a compressed fluid medium into the interior of each filter disk assembly increases the internal pressure within each filter disk thereby avoiding turbidity spikes associated with externally applied suction backwash systems of the background art.
Owner:FRANKEL THOMAS E +2
Detection method of gas chromatography-electron capture detector of halogenated benzoquinone
The invention discloses a detection method of a gas chromatography-electron capture detector of halogenated benzoquinone. The detection method comprises the following steps that (1) a standard halogenated benzoquinone solution is prepared as a series standard solution, the gas chromatography-electron capture detector detects the series standard solution, and a standard curve between peak area andconcentration is drawn; (2) a to-be-detected water sample is filtered, and a pH value is adjusted; (3) the filtered to-be-detected water sample is placed in a brown reagent bottle, dried sodium sulfate is added and dissolved, an extraction liquid is added, standing is carried out so as to generate delamination, the upper layer liquid nitrogen airflow is taken and blown, then methyl tertiary butylether is used for performing constant volume, and the upper layer liquid nitrogen airflow is transferred to a gas phase sample inlet bottle; (4) the obtained gas phase sample inlet bottle in step (3)is detected by the gas chromatography-electron capture detector, and an atlas is recorded; (5) in the to-be-detected sample, a chromatographic peak is found out according to the peak outlet time, thechromatographic peak is integrated to obtain the peak area, and according to the obtained standard curve in step (1) and corresponding recovery rate, the content of halogenated benzoquinone in the to-be-detected sample is obtained. The detection method of the gas chromatography-electron capture detector of the halogenated benzoquinone has the advantages that the cost is lower, the operation is simple, the sensitivity is high, and the measuring is simultaneous.
Owner:TIANJIN UNIV
Tertiary locking assembly for a thrust reverser
The invention relates to a so-called tertiary locking assembly for a thrust reverser with which a turbojet engine nacelle is provided, said locking assembly including at least one so-called tertiary lock associated with at least one primary control line (2) comprising at least one electromechanical control means (3), as well as a power supply (4) connected to said electromechanical control means, characterized in that it includes at least one secondary control line (20) comprising at least one electromechanical control means (30), as well as a power supply (40) which is connected to the electromechanical control means and which is separate from the electrical power supply of the primary control line, said secondary control line being further provided with at least one manually controlled switch (50).
Owner:AIRCELLE
Gas, water and coal fine separating and collecting and water purification circulated processing test device
ActiveCN108827678AHigh degree of controllabilityEasy to controlEarth material testingStructural/machines measurementHigh concentrationCoal
The invention discloses a gas, water and coal fine separating and collecting and water purification circulated processing test device. The device comprises a tertiary deposition separator, a primary deposition separator, a purification pool and a coalbed gas collector, the tertiary deposition separator is connected with the purification pool, and the coalbed gas collector is connected with the tertiary deposition separator and the primary deposition separator. The test device can simulate a high-concentration gas, water and coal mixture generated in an in-situ coalbed gas exploitation processof a coal growth area, the gas, water and coal can be separated finely and collected and undergoes water purification circulated processing, and a water sample can be collected in the test process tomake data analysis; and the test device is high in controllable degree, easy to control, convenient to install, simple in operation, safe and reliable.
Owner:ANHUI UNIV OF SCI & TECH +1
Cement kiln tertiary air tube valve plate
The invention relates to a cement kiln tertiary air tube valve plate which comprises a metal plate core, wherein the metal plate core is of a gridding shape, and at least one flying ring is arranged on the metal plate core; the valve plate provided by the invention has the advantages that a wear-resisting pouring material is casted in a square gridding shape plate core manufactured by heat-resisting rebar, and the pouring material in the valve plate is uniformly distributed; the structure is stable, the operation is simple, a flying ring is arranged on the top of the valve plate, and the metal plate core is easy to change and maintain; and the valve plate provided by the invention has the characteristics of high strength, high wear resistant, shock resistance, scour resistance, long service life and the like through adopting a high-tensile wear-resisting pouring material.
Owner:长兴兴鹰新型耐火建材有限公司
Tertiary spontaneous combustion prevention and warning device based on multipoint distribution of high-speed traveling vehicle
InactiveCN108657086AImprove stabilityImprove reliabilityFire rescueOptical signallingSpontaneous combustionDriver/operator
A tertiary spontaneous combustion prevention and warning device based on multipoint distribution of a high-speed traveling vehicle comprises three temperature sensors, three smog sensor, three flame sensors, a single-chip microcomputer, a voltage stabilizing circuit, a temperature voice warning module, three smog detection A / D modules, a smog voice warning module, a right turn light automatic turning-on module, three flame detection A / D modules, a flame voice warning module and a hazard warning strobe light automatic turning-on module. One temperature sensor, one smog sensor, one smog detection A / D module, one flame sensor and one flame detection A / D module serve as a set of sensor detection unit, and the three sets of sensor detection units are arranged at three positions, where spontaneous combustion is likely to occur, of the vehicle. The tertiary spontaneous combustion prevention and warning device achieves multipoint (three points) monitoring, when abnormal conditions occur, information is quickly and accurately transmitted to a driver through voice warning to be correctly processed, and meanwhile vehicles on the right portion and the rear portion are effectively prompted to keep a safe distance and avoid collision through turning-on of a right turn light and a hazard warning strobe light.
Owner:HUBEI UNIV OF AUTOMOTIVE TECH
Wastewater multistage cleaning purifying device
InactiveCN107032548AAvoid cloggingImprove evaporation efficiencyWater/sewage treatment by irradiationSpecific water treatment objectivesFiltrationHeat conducting
The invention discloses a waste water multi-stage decontamination and purification treatment device, which comprises a primary treatment chamber. A water inlet pipe is welded on one side of the top of the primary treatment chamber, and an exhaust pipe is welded on the other side. The inner surface of the exhaust pipe is The wall is rotatably connected with the one-way valve stem through the rotating shaft, the inner surface wall of the first-level treatment warehouse is welded with a filter plate, the outer wall of the first-level treatment warehouse is welded with a sewage collection box, and the bottom of the first-level treatment warehouse is provided with two The first-stage processing chamber, the inner and outer walls of the third-stage processing chamber are provided with heat-conducting pipes, heaters are provided on both sides of the heat-conducting pipes, vacuum tubes are sleeved on the surface of the heat-conducting pipes, and sealing sleeves are provided on one side of the heat-conducting pipes. The inner bottom of the three-stage treatment chamber is provided with an ultraviolet disinfection lamp, and ultraviolet generators are arranged on both sides of the ultraviolet disinfection lamp, and the bottom of the three-stage treatment chamber is welded with an outlet pipe. In the present invention, the device has a simple and reasonable overall structure design, strong sewage treatment capacity, safe and stable operation, and strong practicability.
Owner:CHENGDU YIRUIXIN TECH CO LTD
Quantum entity state processing system and method having heterogeneously influenceable quantum entity secondary states and conditioned quantum entity tertiary states
Owner:KLOTZER DANIEL S
Prefabricated member for tertiary air hose elbow
ActiveCN104374200AExtended service lifeReduce erosion timeFurnace componentsBrickAgricultural engineering
The invention relates to a prefabricated member for a tertiary air hose elbow. The prefabricated member comprises a prefabricated brick body, wherein a connecting boss is arranged at the top end of the prefabricated brick body, a convex block is fixedly connected to the interior of the connecting boss, a groove is formed in the bottom end of the convex block, at least one screw rod is arranged at the bottom end of the convex block, and a plurality of flow deflectors are arranged on each outer side wall of the convex block. The prefabricated member has the advantages that because of the convex block arranged at the top end of the prefabricated brick body, in the airflow scouring process, the convex block is first scoured, flow distribution is performed through the flow deflectors arranged on the convex block, scouring to the prefabricated brick body caused after high-speed tertiary airflow turns can be effectively reduced, and therefore damage to the portion of the prefabricated brick body is greatly reduced, airflow is effectively distributed, the time in which the convex block is scoured by the airflow is shortened, the service life of the prefabricated brick is prolonged, after the convex block is abraded because of scouring, the angle of the convex block can be adjusted or the convex block can be correspondingly replaced according to the actual using condition, the work efficiency in maintenance is improved, and production cost is reduced.
Owner:CHANGXING GUOSHENG REFRACTORY MATERIAL
A combined wetland system suitable for treating domestic sewage of scattered farmers
ActiveCN105776555BEnhance absorption and degradation functionReadily availableSustainable biological treatmentWater treatment multistage treatmentsTherapeutic effectSmall footprint
Owner:CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
Tertiary chain lacing assembly
A random pattern chain assembly of the present invention improves noise, vibration and harshness (NVH) performance of a silent or inverted tooth chain. The chain assembly preferably uses at least three different link types arranged in a known pattern. The pattern is arranged such that the first link type is never adjacent the third link type, in that there is always a second link type between the first link type and the third link type.
Owner:BORGWARNER INC
Tertiary CAM cell
A tertiary CAM cell with three bits of storage is disclosed. The three bits of storage are arranged to support three stable states which can be read from the CAM cell without requiring a charge restoration operation. The three stables states are those states where one of the three bits is at a first logical state while the remaining two bits are at a second logical state. The three stables states may be used to encode the three logical states used in a ternary CAM.
Owner:MICRON TECH INC
CFB boiler tertiary air center cylinder
PendingCN108019742AImprove combustion efficiencyPrecise regulationFluidized bed combustionApparatus for fluidised bed combustionFlue gasCarbon particle
A CFB boiler tertiary air center cylinder is a hollow cylinder wall, and includes a center cylinder body, an outlet end first air bellow connected to the top end of the center cylinder body and an inlet end air bellow connected to the bottom end of the center cylinder body, the center cylinder body comprises an inner wall and an outer wall, an air supply cavity which is through up and down is arranged between the inner wall and the outer wall, the top end and the bottom end of the air supply cavity are sealed, the outlet end first air bellow is connected with an induction air duct and providesfirst-level over fire air, an air guiding branch tube is arranged on the inner wall of the inlet end air bellow to form an eddy flow, the eddy flow is mixed with flue gas, the upper end of the outletend first air bellow is connected with an outlet end second air bellow, and the outlet end second air bellow is connected with an induction air duct charged with second-level over fire air and an airblast branch tube for blasting air to a flue. The first-level over fire air and the second-level over fire air are introduced to the flue, and are fully mixed with unburnt carbon particles and CO inthe flue gas to burn the unburnt carbon particles and CO, so the burning efficiency of a boiler is improved.
Owner:NORTH CHINA POWER ENG
Novel tertiary air gate valve plate of dry process cement rotary kiln
The invention relates to a novel tertiary air gate valve plate of a dry process cement rotary kiln. The novel tertiary air gate valve plate comprises a valve plate body with the cross section being composed of four edges, wherein the three edges are straight lines, and the other one edge is an arc. The straight line opposite to the arc is provided with lifting lugs. The valve body is made of corundum mullite castable. The novel tertiary air gate valve plate is not prone to being peeled off, abrasion resistant and scouring resistant.
Owner:宜兴市泰科耐火材料有限公司
Surface enhanced Raman substrate suitable for detection of polycyclic aromatic hydrocarbon in seawater
The invention relates to a high-sensitivity surface enhanced Roman substrate, which is obtained by adopting the following steps of: functionalizing a quartz plate by utilizing trimethoxy silane, soaking the functionalized quartz plate in gold sol to prepare a gold sol membrane, self-assembling 25, 27-dimercaptoacetate-26,28-dyhydroxyl-4-tertiary butyl calixarene which as special selective adsorption to the polycyclic aromatic hydrocarbon to the surface of the gold sol membrane, and modifying the calixarene. The gold sol substrates with different degree modifications of calixarene can be obtained by controlling the soaking time of the gold sol membrane in a calixarene ethanol solution; and the optimal surface enhanced Raman substrate suitable for field detection of the polycyclic aromatic hydrocarbon is obtained by comparing the enhancement effects of all substrates. Because the calixarene has lyophobic property and can protect a metal nanomaterial from corroding by seawater, therefore the substrate is also suitable for detection of the polycyclic aromatic hydrocarbon in the seawater.
Owner:QINGDAO AGRI UNIV
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