Nkhani
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Zowona ndi ziwerengero za Molybdenum
Molybdenum: Ndi chinthu chongochitika mwachilengedwe chomwe chidadziwika mu 1778 ndi Carl Wilhelm Scheele, wasayansi waku Sweden yemwe adapezanso mpweya mumlengalenga. Ili ndi imodzi mwamalo osungunuka kwambiri mwazinthu zonse komabe kachulukidwe ake ndi 25% yokha yachitsulo. Ili mu ores osiyanasiyana, koma molybdenite ...Werengani zambiri -
Tungsten isotope imathandizira kuphunzira momwe mungakonzekerere zida zamtsogolo zophatikizika
Mkati mwa tsogolo la nyukiliya fusion mphamvu reactors adzakhala m'malo ovuta kwambiri omwe apangidwapo Padziko Lapansi. Ndi chiyani champhamvu chomwe chingatetezere mkati mwa fusion reactor ku kutentha kopangidwa ndi plasma komwe kumafanana ndi zombo zakuthambo zomwe zimalowanso mumlengalenga wa Dziko Lapansi? Ofufuza a ORNL mu ...Werengani zambiri -
Ofufuza amawona kupanga crack mu 3-D-printed tungsten munthawi yeniyeni
Podzitamandira ndi malo osungunuka kwambiri komanso otentha kwambiri pazinthu zonse zodziwika, tungsten yakhala chisankho chodziwika bwino pamagwiritsidwe ntchito okhudzana ndi kutentha kwambiri, kuphatikiza ma filaments a babu, kuwotcherera arc, kutchingira ma radiation ndipo posachedwa, monga zinthu zoyang'ana m'madzi a m'magazi muzophatikizana monga. ..Werengani zambiri -
Weldability wa Tungsten ndi Aloyi Ake
Tungsten ndi ma aloyi ake amatha kulumikizidwa bwino ndi kuwotcherera kwa gasi tungsten-arc, kuwotcherera kwa mkuwa wa tungsten-arc, kuwotcherera kwa ma elekitironi ndikuyika mpweya wamankhwala. Kuwotcherera kwa tungsten ndi ma aloyi ake angapo ophatikizidwa ndi kuponyera kwa arc, zitsulo za ufa, kapena depositi yamankhwala ...Werengani zambiri -
Momwe Mungapangire Waya wa Tungsten?
Kupanga waya wa tungsten ndi njira yovuta, yovuta. Njirayi iyenera kuyendetsedwa mwamphamvu kuti iwonetsetse chemistry yoyenera komanso mawonekedwe oyenera a waya womalizidwa. Kudula ngodya koyambirira kwa njira yochepetsera mitengo yamawaya kumatha kubweretsa kusagwira bwino ntchito kwa ma fin ...Werengani zambiri -
Mtengo wa Tungsten waku China Unali Pamwamba Pakatikati pa Julayi
Mtengo wa tungsten waku China udakwera m'sabata yomwe idathera Lachisanu pa Julayi 17, 2020 potsatira kulimba mtima kwa msika komanso chiyembekezo chabwino cha kupezeka ndi mbali. Komabe, poganizira kusakhazikika kwachuma komanso kufunikira kocheperako, mapangano ndi ovuta kuchulukira munthawi yochepa ...Werengani zambiri -
Zimango katundu wa tungsten mawaya pambuyo kupalasa mapindikidwe mankhwala
1. Chiyambi Mawaya a Tungsten, okhala ndi makulidwe kuchokera ku ma micro-mita angapo mpaka makumi angapo, amapangidwa mwapulasitiki kukhala ma spiral ndipo amagwiritsidwa ntchito poyatsira ndi kuyatsa. Kupanga mawaya kumatengera ukadaulo wa ufa, mwachitsanzo, ufa wa tungsten womwe umapezeka kudzera munjira yama mankhwala ...Werengani zambiri -
Tungsten mwina sangakhale wowombera bwino kwambiri popanga zipolopolo za 'green'
Poyesa kuletsa zida zokhala ndi mtovu ngati chiwopsezo cha thanzi komanso chilengedwe, asayansi akupereka umboni watsopano wosonyeza kuti chinthu china chowonjezera cha zipolopolo - tungsten - sichingakhale cholowa m'malo mwabwino ...Werengani zambiri -
Kafukufuku amayang'ana tungsten m'malo ovuta kwambiri kuti apititse patsogolo zosakaniza
Ma fusion reactor kwenikweni ndi botolo la maginito lomwe lili ndi njira zomwe zimachitika padzuwa. Mafuta a Deuterium ndi tritium amalumikizana kuti apange nthunzi wa ayoni a helium, ma neutroni ndi kutentha. Pamene mpweya wotentha, wa ionized - wotchedwa plasma - ukuyaka, kutentha kumeneku kumasamutsidwa kumadzi kupanga nthunzi kuti itembenuze makina opangira magetsi ...Werengani zambiri -
Kuchokera ku cobalt mpaka ku tungsten: momwe magalimoto amagetsi ndi mafoni akuyatsira mtundu watsopano wagolide.
Muli chiyani muzinthu zanu? Ambiri aife sitiganizira za zinthu zimene zimapangitsa moyo wamakono kukhala wotheka. Komabe matekinoloje monga mafoni anzeru, magalimoto amagetsi, ma TV akulu akulu komanso kutulutsa mphamvu zobiriwira kumadalira mitundu yosiyanasiyana yamankhwala omwe anthu ambiri sanamvepo. Mpaka kumapeto...Werengani zambiri -
Tungsten ngati interstellar radiation shielding?
Kutentha kwa madigiri 5900 Celsius ndi kuuma ngati diamondi pamodzi ndi carbon: tungsten ndichitsulo cholemera kwambiri, komabe chimakhala ndi ntchito zamoyo-makamaka mu tizilombo tokonda kutentha. Gulu lotsogozedwa ndi Tetyana Milojevic wochokera ku Faculty of Chemistry ku University of Vienna lipoti la ...Werengani zambiri -
Asayansi amapanga tantalum oxide kuti ikhale yothandiza pazida zolimba kwambiri
Asayansi ku Rice University apanga ukadaulo wokhazikika wa kukumbukira zomwe zimalola kusungirako kwakanthawi kochepa komwe kumakhala ndi zolakwika zochepa zamakompyuta. Zokumbukira zimakhazikitsidwa pa tantalum oxide, insulator wamba mumagetsi. Kuyika mphamvu yamagetsi ku sangweji ya graphene ya 250-nanometer-thick...Werengani zambiri