Cov khoom siv hlau nplaum
Txoj Cai Kev Ua Haujlwm:
Lub hauv paus ntsiab lus ntawm kev khiav hauj lwm ntawm Magnetic Devices hloov torque los ntawm lub cev muaj zog mus rau qhov kawg ntawm qhov sib txawv ntawm huab cua.Thiab tsis muaj kev sib txuas ntawm sab kis tau tus mob thiab sab load ntawm cov khoom siv.Lub zog tsis tshua muaj lub ntiaj teb sib nqus ntawm ib sab ntawm kev sib kis thiab qhov cuam tshuam tam sim no los ntawm tus neeg xyuas pib ntawm lwm sab sib cuam tshuam los tsim torque.Los ntawm kev hloov pauv huab cua qhov sib txawv, lub zog torsion tuaj yeem tswj tau meej thiab kom tswj tau qhov nrawm.
Cov khoom zoo:
Cov hlau nplaum ruaj khov tsav hloov qhov kev sib txuas ntawm lub cev muaj zog thiab cov khoom thauj nrog qhov sib txawv ntawm huab cua.Qhov sib txawv ntawm huab cua tshem tawm cov teeb meem kev co, txo qhov hnav, txhim kho lub zog ua haujlwm, ua kom lub cev muaj zog, thiab tiv thaiv cov cuab yeej los ntawm kev puas tsuaj ntau dhau.Qhov tshwm sim:
Txuag zog
Txhim khu kev ntseeg
Txo cov nqi tu
Txhim kho cov txheej txheem tswj
Tsis muaj teeb meem kev sib haum xeeb los yog lub zog zoo
Muaj peev xwm ua haujlwm hauv ib puag ncig hnyav
Lub cev muaj zog
Samarium cobalt alloy tau siv rau lub ntiaj teb tsis tshua muaj hlau nplaum lub cev muaj zog txij li xyoo 1980s.Cov khoom lag luam muaj xws li: Servo lub cev muaj zog, tsav lub cev muaj zog, lub tsheb pib, cov tub rog hauv av, aviation lub cev muaj zog thiab lwm yam thiab ib feem ntawm cov khoom raug xa tawm.Cov yam ntxwv tseem ceeb ntawm samarium cobalt ruaj khov hlau nplaum yog:
(1).Lub demagnetization nkhaus yog ib txoj kab ncaj nraim, txoj kab nqes yog ze rau qhov inverse permeability.Ntawd yog, txoj kab rov qab yog kwv yees li coincident nrog demagnetization nkhaus.
(2).Nws muaj Hcj zoo, nws muaj zog tiv thaiv demagnetization.
(3).Nws muaj qhov siab (BH) siab tshaj plaws sib nqus zog khoom.
(4).Lub reversible kub coefficient yog heev me me thiab qhov sib nqus kub stability yog zoo.
Vim hais tias ntawm cov yam ntxwv saum toj no, lub ntiaj teb tsis tshua muaj samarium cobalt ruaj khov hlau nplaum yog tshwj xeeb tshaj yog tsim rau daim ntawv thov ntawm lub xeev qhib Circuit Court, qhov teeb meem siab, demagnetizing mob lossis dynamic mob, tsim nyog rau kev tsim cov khoom ntim me me.
Lub cev muaj zog tuaj yeem muab faib ua DC lub cev muaj zog thiab AC lub cev muaj zog raws li hom fais fab mov.
(1).Raws li cov qauv thiab txoj hauv kev ua haujlwm, DC lub cev muaj zog tuaj yeem muab faib ua:
Brushless DC lub cev muaj zog thiab txhuam DC lub cev muaj zog.
Txhuam DC lub cev muaj zog tuaj yeem muab faib ua: cov hlau nplaum ruaj khov DC lub cev muaj zog thiab electromagnetic DC lub cev muaj zog.
Electromagnetic DC lub cev muaj zog tuaj yeem muab faib ua: series DC lub cev muaj zog, shunt DC lub cev muaj zog, lwm yam DC lub cev muaj zog thiab DC lub cev muaj zog.
Cov hlau nplaum ruaj khov DC lub cev muaj zog tuaj yeem muab faib ua: lub ntiaj teb tsis tshua muaj hlau nplaum DC lub cev muaj zog, ferrite ruaj khov hlau nplaum DC lub cev muaj zog thiab Alnico mus tas li hlau nplaum DC lub cev muaj zog.
(2).AC lub cev muaj zog kuj tuaj yeem muab faib ua: ib-theem lub cev muaj zog thiab peb-theem lub cev muaj zog.
Electroacoustic
Txoj Cai Kev Ua Haujlwm:
Nws yog ua kom cov tam sim no los ntawm lub kauj los tsim ib qho chaw sib nqus, siv lub excitation tawm ntawm lub magnetic teb thiab thawj lub suab nrov nrov magnetic teb ua los tsim kev co.Nws yog lub suab nrov tshaj plaws.
Nws tuaj yeem muab faib ua cov hauv qab no tseem ceeb:
Lub zog hluav taws xob: suav nrog lub suab coil (tseem yog lub kauj hluav taws xob), lub kauj feem ntau yog kho nrog lub zog vibration, los ntawm lub diaphragm los hloov qhov kev vibration ntawm lub kauj mus rau lub suab teeb liab.
Vibration system: suav nrog suab zaj duab xis, uas yog, horn diaphragm, diaphragm.Diaphragm tuaj yeem ua los ntawm ntau yam khoom siv.Nws tuaj yeem hais tias lub suab zoo ntawm lub suab nrov yog qhov txiav txim siab loj los ntawm cov khoom siv thiab kev tsim khoom ntawm diaphragm.
Raws li cov txheej txheem sib txawv ntawm nws cov hlau nplaum, nws tuaj yeem muab faib ua:
Cov hlau nplaum sab nraud: qhwv cov hlau nplaum ncig lub suab coil, yog li ua kom lub suab coil loj dua cov hlau nplaum.Qhov loj ntawm lub suab coil sab nraud yog nce, yog li ua rau thaj tsam diaphragm loj dua, thiab qhov dynamic zoo dua.Qhov loj me me lub suab coil kuj tseem nrog cov cua kub dissipation ntau dua.
Inner hlau nplaum: lub suab coil yog tsim hauv cov hlau nplaum, yog li lub suab coil loj me dua.
Cov khoom siv txheej txheej
Lub hauv paus ntsiab lus ntawm magnetron sputtering txheej khoom yog tias electrons sib tsoo nrog argon atoms nyob rau hauv tus txheej txheem ntawm accelerating mus rau lub substrate nyob rau hauv qhov kev txiav txim ntawm hluav taws xob teb, ces ionize ib tug loj tus naj npawb ntawm argon ions thiab electrons, thiab cov electrons ya mus rau lub substrate.Nyob rau hauv qhov kev txiav txim ntawm hluav taws xob teb, argon ion accelerates rau bombard lub hom phiaj, sputtering ib tug loj tus naj npawb ntawm lub hom phiaj atoms, raws li nruab nrab lub hom phiaj atoms (los yog molecules) tso rau ntawm lub substrate los tsim films.Secondary electron nyob rau hauv tus txheej txheem ntawm accelerating ya mus rau lub substrate cuam tshuam los ntawm Sib Nqus teb lorenzo quab yuam, nws yog bounded nyob rau hauv lub plasma cheeb tsam ze rau lub hom phiaj, lub plasma ceev nyob rau hauv lub cheeb tsam no siab heev, theem nrab electron nyob rau hauv qhov kev txiav txim ntawm magnetic teb nyob ib ncig ntawm. lub hom phiaj nto raws li ib ncig ncig, txoj kev electron motion yog ntev heev, tas li argon atom kev sib tsoo ionization tawm ntau ntawm argon ion nyob rau hauv tus txheej txheem ntawm kev txav mus rau bombardment ntawm lub hom phiaj.Tom qab ib tug xov tooj ntawm kev sib tsoo, lub zog ntawm cov electrons maj mam txo, thiab lawv tau tshem ntawm magnetic teb kab, deb ntawm lub hom phiaj, thiab nws thiaj li tso rau ntawm lub substrate.
Magnetron sputtering yog siv cov hlau nplaum los khi thiab txuas ntxiv txoj kev txav ntawm cov hluav taws xob, hloov cov kev taw qhia ntawm cov hluav taws xob, txhim kho cov ionization ntawm cov roj ua haujlwm thiab siv lub zog ntawm electrons.Kev sib cuam tshuam ntawm cov teb sib nqus thiab hluav taws xob (EXB drift) ua rau ib tus neeg electron trajectory tshwm sim nyob rau hauv peb-dimensional kauv es tsis yog ib ncig ntawm lub hom phiaj.Raws li rau lub hom phiaj nto circumferential sputtering profile, nws yog cov magnetic teb kab ntawm lub hom phiaj magnetic teb yog circumferential zoo.Txoj kev faib tawm muaj kev cuam tshuam zoo rau kev tsim cov yeeb yaj kiab.
Magnetron sputtering yog tus cwj pwm los ntawm kev ua yeeb yaj kiab siab, qhov kub tsis tshua muaj substrate, zoo zaj duab xis adhesion, thiab thaj tsam loj txheej.Lub tshuab tuaj yeem muab faib ua DC magnetron sputtering thiab RF magnetron sputtering.
Cua zog tiam
Cov hlau nplaum tas mus li cua tshuab txais kev ua haujlwm siab sintered NdFeb cov hlau nplaum ruaj khov, siab txaus Hcj tuaj yeem zam cov hlau nplaum poob nws cov hlau nplaum ntawm qhov kub.Lub neej ntawm cov hlau nplaum nyob ntawm cov khoom siv substrate thiab kev kho deg los tiv thaiv corrosion.Kev tiv thaiv corrosion ntawm NdFeb hlau nplaum yuav tsum pib los ntawm kev tsim khoom.
Lub tshuab hluav taws xob loj ruaj khov cua tshuab feem ntau siv ntau txhiab NdFeb hlau nplaum, txhua tus ncej ntawm lub rotor ua rau ntau cov hlau nplaum.Qhov sib xws ntawm rotor magnetic ncej yuav tsum muaj qhov sib xws ntawm cov hlau nplaum, nrog rau qhov sib xws ntawm qhov ntev ntev thiab cov khoom sib nqus.Uniformity ntawm cov khoom sib nqus muaj xws li cov sib nqus sib nqus ntawm cov tib neeg yog me me thiab cov khoom sib nqus ntawm cov hlau nplaum ib leeg yuav tsum zoo ib yam.
Txhawm rau txheeb xyuas qhov sib nqus sib nqus ntawm ib qho hlau nplaum, nws yog qhov yuav tsum tau txiav cov hlau nplaum rau hauv ob peb daim me me thiab ntsuas nws qhov demagnetization nkhaus.Ntsuam xyuas seb cov khoom sib nqus ntawm ib pawg yog zoo ib yam hauv cov txheej txheem ntawm kev tsim khoom.Nws yog ib qho tsim nyog los rho cov hlau nplaum los ntawm qhov sib txawv hauv qhov cub sintering raws li cov qauv thiab ntsuas qhov demagnetization nkhaus ntawm lawv.Vim hais tias cov khoom siv ntsuas yog kim heev, nws yuav luag tsis yooj yim sua kom ntseeg tau qhov kev ncaj ncees ntawm txhua cov hlau nplaum uas raug ntsuas.Yog li ntawd, nws yog tsis yooj yim sua kom ua tag nrho cov khoom soj ntsuam.Qhov sib xws ntawm NdFeb cov khoom sib nqus yuav tsum tau lees paub los ntawm cov cuab yeej tsim khoom thiab cov txheej txheem tswj.
Muaj Automation
Automation yog hais txog cov txheej txheem uas cov cuab yeej siv tshuab, cov txheej txheem lossis cov txheej txheem ua tiav lub hom phiaj xav tau los ntawm kev tshawb nrhiav tsis siv neeg, kev ua cov ntaub ntawv, kev tshuaj xyuas, kev txiav txim siab thiab kev tswj xyuas raws li cov neeg xav tau yam tsis muaj kev koom tes ncaj qha los ntawm tib neeg lossis tsawg dua cov neeg.Automation technology yog dav siv hauv kev lag luam, kev ua liaj ua teb, tub rog, kev tshawb fawb, kev thauj mus los, kev lag luam, kev kho mob, kev pabcuam thiab tsev neeg.Kev siv tshuab automation tuaj yeem tsis tsuas yog tso cov tib neeg los ntawm kev ua haujlwm hnyav, ib feem ntawm kev mob hlwb thiab kev ua haujlwm hnyav, kev ua haujlwm txaus ntshai, tab sis kuj nthuav dav kev ua haujlwm ntawm tib neeg lub cev, txhim kho kev ua haujlwm zoo, txhim kho lub peev xwm ntawm tib neeg kev nkag siab thiab kev hloov pauv ntawm lub cev. ntiaj teb.Yog li ntawd, automation yog ib qho tseem ceeb thiab lub cim tseem ceeb ntawm modernization ntawm kev lag luam, kev ua liaj ua teb, kev tiv thaiv lub teb chaws thiab science thiab technology.Raws li ib feem ntawm cov khoom siv hluav taws xob siv hluav taws xob, cov hlau nplaum muaj cov khoom lag luam tseem ceeb:
1. Tsis muaj txim, tshwj xeeb tshaj yog haum rau qhov chaw tawg;
2. Kev txuag hluav taws xob zoo;
3. soft start thiab soft stop, zoo braking kev ua tau zoo
4. Cov ntim me me, ua haujlwm loj.
Aerospace Field
Tsis tshua muaj lub ntiaj teb cam khwb cia magnesium alloy feem ntau yog siv rau lub sij hawm ntev 200 ~ 300 ℃, uas muaj qhov kub thiab txias zog thiab lub sij hawm ntev creep kuj.Lub solubility ntawm lub ntiaj teb tsis tshua muaj cov ntsiab lus hauv magnesium yog qhov sib txawv, thiab qhov kev txiav txim nce ntxiv yog lanthanum, sib xyaw tsis tshua muaj ntiaj teb, cerium, praseodymium thiab neodymium.Nws cov cawv zoo kuj nce rau cov khoom siv kho tshuab ntawm chav tsev kub thiab kub.Tom qab kev kho cua sov, ZM6 alloy nrog neodymium yog lub ntsiab additive tsim los ntawm AVIC tsis tsuas yog muaj cov neeg kho tshuab siab nyob rau hauv chav tsev kub, tab sis kuj muaj zoo transient mechanical zog thiab creep kuj ntawm kub.Nws tuaj yeem siv rau hauv chav sov thiab tuaj yeem siv tau ntev ntawm 250 ℃.Nrog rau cov tsos ntawm cov tshiab cam khwb cia magnesium alloy nrog yttrium corrosion kuj, cam khwb cia magnesium alloy yog dua nrov nyob rau hauv txawv teb chaws aviation kev lag luam nyob rau hauv xyoo tas los.
Tom qab ntxiv qhov tsim nyog ntawm cov hlau tsis tshua muaj hauv ntiaj teb rau magnesium alloys.Qhov sib ntxiv ntawm cov hlau tsis tshua muaj hauv ntiaj teb rau magnesium alloy tuaj yeem ua kom cov dej ntws ntawm cov hlau, txo cov microporosity, txhim kho cov huab cua nruj thiab zoo kawg li txhim kho qhov tshwm sim ntawm kub tawg thiab porosity, yog li cov hlau tseem muaj zog thiab nkag siab ntawm 200- 300 ℃.
Cov ntsiab lus tsis tshua muaj hauv ntiaj teb ua lub luag haujlwm tseem ceeb hauv kev txhim kho cov khoom ntawm superalloys.Superalloys yog siv nyob rau hauv kub kawg qhov chaw ntawm aeroengines.Txawm li cas los xij, kev txhim kho ntxiv ntawm aero-engine kev ua tau zoo yog txwv vim qhov txo qis ntawm oxidation tsis kam, corrosion kuj thiab lub zog ntawm qhov kub thiab txias.
Cov khoom siv hauv tsev
Cov Khoom Siv Hauv Tsev feem ntau xa mus rau txhua yam khoom siv hluav taws xob thiab hluav taws xob siv hauv tsev thiab qhov chaw zoo sib xws.Kuj tseem paub tias yog cov khoom siv pej xeem, khoom siv hauv tsev.Cov Khoom Siv Hauv Tsev tso cai rau cov neeg los ntawm hnyav, tsis tseem ceeb thiab siv sijhawm ua haujlwm hauv tsev, tsim kom muaj kev nplij siab thiab zoo nkauj, zoo dua rau kev noj qab haus huv ntawm lub cev thiab lub hlwb ntawm kev nyob thiab chaw ua haujlwm rau tib neeg, thiab muab kev lom zem nplua nuj thiab muaj yeeb yuj, nws tau dhau los ua ib qho kev tsim nyog ntawm niaj hnub tsev neeg lub neej.
Cov khoom siv hauv tsev muaj ze li ib puas xyoo ntawm keeb kwm, Tebchaws Meskas suav tias yog qhov chaw yug ntawm cov khoom siv hauv tsev.Lub peev xwm ntawm cov khoom siv hauv tsev sib txawv los ntawm lub teb chaws mus rau ib lub teb chaws, thiab lub ntiaj teb tseem tsis tau tsim ib qho kev sib koom ua ke ntawm cov khoom siv hauv tsev.Hauv qee lub tebchaws, cov khoom siv teeb pom kev zoo tau teev tseg raws li cov khoom siv hauv tsev, thiab cov khoom siv suab thiab yees duab tau teev tseg raws li cov khoom siv kev coj noj coj ua thiab kev lom zem, uas kuj suav nrog cov khoom ua si hauv hluav taws xob.
Txhua hnub: Lub qhov rooj ntawm lub qhov rooj nqus, lub cev muaj zog hauv lub qhov rooj xauv hluav taws xob, cov khoom siv hluav taws xob, TV teeb, sib nqus strips ntawm lub qhov rooj tub yees, high-end sib txawv zaus compressor lub cev muaj zog, cua txias compressor lub cev muaj zog, kiv cua lub cev muaj zog, lub computer hard drives, hais lus, lub mloog pob ntseg hais lus, ntau lub hood lub cev muaj zog, lub tshuab ntxhua khaub ncaws thiab lwm yam yuav siv cov hlau nplaum.
Kev lag luam tsheb
Los ntawm qhov kev xav ntawm cov saw hlau, 80% ntawm cov pob zeb hauv ntiaj teb tsis tshua muaj ua rau cov khoom siv hlau nplaum ruaj khov los ntawm kev mining thiab smelting thiab reprocessing.Cov khoom siv hlau nplaum tas mus li yog siv rau hauv kev lag luam tshiab lub zog xws li lub cev muaj zog ntawm lub zog tshiab thiab lub tshuab hluav taws xob cua.Yog li ntawd, tsawg lub ntiaj teb raws li ib tug tseem ceeb tshiab zog hlau tau attracted ntau xim.
Nws tau tshaj tawm tias lub tsheb dav dav muaj ntau dua 30 qhov chaw siv cov hlau nplaum tsis tshua muaj hauv ntiaj teb, thiab lub tsheb siab tshaj 70 qhov yuav tsum tau siv cov khoom siv hlau nplaum tsis tshua muaj hauv ntiaj teb, kom ua tiav ntau yam kev tswj xyuas.
"Lub tsheb khoom kim heev xav tau txog 0.5kg-3.5kg ntawm cov khoom siv hlau nplaum tsis tshua muaj hauv ntiaj teb, thiab cov nyiaj no tseem loj dua rau cov tsheb tshiab lub zog. Txhua tus hybrid siv 5kg NdFeb ntau dua li lub tsheb sib xws. Tsis tshua muaj lub ntiaj teb ruaj khov hlau nplaum lub cev muaj zog hloov cov tsoos tsav rau siv ntau tshaj 5-10kg NdFeb hauv cov tsheb fais fab.
Hais txog qhov muag feem pua ntawm xyoo 2020, cov tsheb hluav taws xob ntshiab suav nrog 81.57%, thiab cov seem feem ntau yog cov tsheb sib xyaw.Raws li qhov piv txwv no, 10,000 lub tsheb tshiab yuav xav tau txog 47 tons ntawm cov khoom siv hauv ntiaj teb tsis tshua muaj, kwv yees li 25 tons ntau dua li roj tsheb.
Tshiab Zog Sector
Peb txhua tus muaj kev nkag siab yooj yim ntawm lub zog tshiab tsheb.Cov roj teeb, lub cev muaj zog thiab kev tswj hluav taws xob yog qhov tseem ceeb rau lub tsheb tshiab.Lub cev muaj zog ua lub luag haujlwm tib yam li lub cav ntawm cov tsheb siv hluav taws xob ib txwm muaj, uas sib npaug rau lub plawv ntawm lub tsheb, thaum lub roj teeb lub zog sib npaug rau cov roj thiab cov ntshav ntawm lub tsheb, thiab qhov tseem ceeb tshaj plaws ntawm kev tsim cov khoom siv hluav taws xob. lub cev muaj zog yog lub ntiaj teb tsis tshua muaj.Cov ntaub ntawv tseem ceeb rau kev tsim cov khoom siv hlau nplaum niaj hnub no yog Neodymium, Samarium, Praseodymium, Dysprosium thiab lwm yam.NdFeb muaj 4-10 npaug ntawm cov hlau nplaum ntau dua li cov khoom siv hlau nplaum ruaj khov, thiab hu ua "tus huab tais ntawm cov hlau nplaum ruaj khov".
Tsis tshua muaj lub ntiaj teb tuaj yeem pom hauv cov khoom xws li cov roj teeb fais fab.Tam sim no ternary lithium roj teeb, nws lub npe tag nrho yog "Ternary Material Battery", feem ntau yog hais txog kev siv nickel cobalt manganese acid lithium (Li (NiCoMn) O2, zawv zawg) lithium nickel lossis cobalt aluminate (NCA) ternary zoo electrode khoom ntawm lithium roj teeb. .Ua Nickel Salt, Cobalt Salt, Manganese Salt ua peb qhov sib txawv ntawm cov khoom xyaw rau kev hloov pauv sib txawv, yog li lawv hu ua "Ternary".
Raws li qhov sib ntxiv ntawm cov ntsiab lus tsis tshua muaj hauv ntiaj teb mus rau qhov zoo electrode ntawm ternary lithium roj teeb, cov txiaj ntsig ua ntej qhia tau hais tias, vim muaj cov ntsiab lus tsis tshua muaj hauv ntiaj teb, qee lub ntsiab lus tuaj yeem ua rau lub roj teeb them thiab tawm sai dua, kev pab lub neej ntev dua, roj teeb ruaj khov. siv, thiab lwm yam, nws tuaj yeem pom tau tias tsis tshua muaj lub ntiaj teb lithium roj teeb tau xav tias yuav dhau los ua lub zog tseem ceeb ntawm lub zog tshiab ntawm lub zog roj teeb.Yog li tsis tshua muaj ntiaj teb yog riam phom khawv koob rau cov tsheb tseem ceeb.
Cov cuab yeej kho mob thiab cov cuab yeej
Nyob rau hauv cov nqe lus ntawm kev kho mob cov cuab yeej, laser riam ua los ntawm laser cov ntaub ntawv uas tsis tshua muaj lub ntiaj teb yuav siv tau rau kev phais zoo, optical fiber ua los ntawm lanthanum iav yuav siv tau raws li ib tug lub teeb conduit, uas muaj peev xwm kom meej meej soj ntsuam cov neeg mob plab.Ib lub ntiaj teb tsis tshua muaj ytterbium tuaj yeem siv rau kev kuaj xyuas lub hlwb thiab cov duab kos duab.X-ray intensifying screen ua ib yam tshiab ntawm lub ntiaj teb tsis tshua muaj fluorescent khoom, piv rau cov thawj siv ntawm calcium tungstate intensifying screen shooting 5 ~ 8 lub sij hawm ntau dua efficiency, thiab muaj peev xwm ua kom lub sij hawm raug, txo tib neeg lub cev los ntawm hluav taws xob koob tshuaj, tua muaj tau zoo heev txhim kho clarity, siv ib tug tsim nyog tus nqi ntawm lub ntiaj teb tsis tshua muaj cov ntxaij vab tshaus yuav muab ib tug ntau nyuaj thawj kev kuaj mob ntawm pathological hloov ntau raug kuaj.
Kev siv cov khoom siv hlau nplaum tsis tshua muaj hauv ntiaj teb ua los ntawm kev sib nqus resonance imaging (MRI) yog cov cuab yeej tshiab siv hauv xyoo 1980s cov cuab yeej siv kho mob, uas siv cov hlau nplaum ruaj khov loj loj los xa cov mem tes nthwv dej rau tib neeg lub cev, ua rau tib neeg lub cev tsim cov resonance hydrogen atom. thiab nqus lub zog, ces dheev kaw magnetic teb.Kev tso tawm ntawm hydrogen atoms yuav nqus lub zog.Raws li kev faib tawm hydrogen hauv tib neeg lub cev txhua lub koom haum sib txawv, tso tawm lub zog sib txawv ntawm lub sijhawm, los ntawm lub tshuab hluav taws xob kom tau txais cov ntaub ntawv sib txawv los txheeb xyuas thiab txheej txheem, tsuas yog tuaj yeem rov qab thiab sib cais tawm ntawm lub cev sab hauv ntawm cov duab, txhawm rau paub qhov txawv ntawm lub cev lossis lub cev tsis zoo, txheeb xyuas qhov xwm txheej ntawm tus kabmob.Piv nrog rau X-ray tomography, MRI muaj qhov zoo ntawm kev nyab xeeb, tsis muaj mob, tsis muaj kev puas tsuaj thiab zoo sib xws.Qhov tshwm sim ntawm MRI yog suav tias yog kev hloov kho thev naus laus zis hauv keeb kwm ntawm kev tshuaj ntsuam xyuas tshuaj.
Feem ntau siv hauv kev kho mob yog kev kho qhov sib nqus nrog cov khoom siv hlau nplaum tsis tshua muaj hauv ntiaj teb.Vim muaj cov khoom sib nqus siab ntawm lub ntiaj teb tsis tshua muaj cov khoom sib nqus ruaj khov, thiab tuaj yeem ua rau ntau yam duab ntawm cov khoom siv sib nqus, thiab tsis yooj yim rau demagnetization, nws tuaj yeem siv rau ntawm lub cev meridians acupoints lossis thaj chaw pathological, zoo dua li kev kho cov tshuaj sib nqus. nyhuv.Lub ntiaj teb tsis tshua muaj cov khoom siv hlau nplaum ruaj khov yog ua los ntawm cov khoom siv sib nqus xws li sib nqus caj dab, rab koob sib nqus, kev kho mob pob ntseg, lub zog sib nqus bracelet, sib nqus dej khob, sib nqus stick, sib nqus zuag, sib nqus hauv caug tiv thaiv, sib nqus lub xub pwg tiv thaiv, sib nqus siv, sib nqus massager, thiab lwm yam., uas muaj lub luag haujlwm ntawm sedation, mob nyem, tiv thaiv inflammatory, depressurization, antidiarrhea thiab hais txog.
Cov cuab yeej
Auto Instrument Motor Precision Magnets: Nws yog feem ntau siv hauv SmCo Magnets thiab NdFeb Magnets.Txoj kab uas hla ntawm 1.6-1.8, qhov siab ntawm 0.6-1.0.Radial Magnetizing nrog Nickel plating.
Sib nqus flip qib ntsuas raws li txoj cai buoyancy thiab magnetic coupling txoj cai ntawm kev ua haujlwm.Thaum cov kua theem nyob rau hauv lub thawv ntsuas nce thiab ntog, lub ntab nyob rau hauv lub raj ntawm lub magnetic flip phaj theem ntsuas kuj nce thiab ntog.Cov hlau nplaum ruaj khov nyob rau hauv ntab yog pauv mus rau qhov ntsuas qhov ntsuas los ntawm kev sib nqus sib nqus, tsav cov kab liab thiab dawb tig rov qab 180 °.Thaum cov kua theem nce siab, lub flip kem hloov los ntawm dawb mus rau liab, thiab thaum cov kua theem poob, lub flip kem hloov los ntawm liab mus rau dawb.Cov ciam teb liab thiab dawb ntawm qhov taw qhia yog qhov tseeb qhov siab ntawm cov kua theem hauv lub thawv, thiaj li qhia txog qib kua.
Vim lub sib nqus coupling isolator kaw qauv.Tshwj xeeb tshaj yog tsim rau flammable, explosive thiab corrosive toxic kua theem nrhiav kom tau.Yog li ntawd tus thawj complex ib puag ncig kua theem nrhiav tau txhais tau tias ua yooj yim, txhim khu kev qha thiab nyab xeeb.
