Munthawi ya munthu wosauka, anthu sanawete nyama ngati chakudya chawo, choncho magwero a chakudya cha anthu nthawi zambiri amakhala kusaka ndi kutola zipatso za zomera. Koma popeza kusaka n’koopsa kwambiri, anthu atulukira njira zambiri zowathandiza kuti azisakasaka bwino. Mipeni ya mafupa ndi imodzi mwa izo.
Mipeni ya mafupa ndi mipeni yopangidwa kuchokera ku mafupa a nyama.
Masiku ano, anthu safunikira kusaka m’mapiri tsiku lililonse kuti apeze chakudya chodzaza m’mimba mwawo, koma mipeni yamafupa yatengera kwa anthu amtundu wina, womwe ndi mipeni. Mipeni yamasiku ano si mipeni yokha yomwe timadula masamba ndi zipatso, pali mitundu yambiri ya mipeni.
mipeni yachitsulo
Mipeni yamtunduwu ndi chitsulo, ndipo mipeni yamasiku ano nthawi zambiri imapangidwa ndi chitsulo chosapanga dzimbiri. Kutentha kwake kosamva kutentha kumakhala pakati pa madigiri 200 mpaka 300. Mipeni yomwe amagwiritsidwa ntchito podula masamba ndi zipatso m'mabanja mwathu nthawi zambiri imakhala mipeni yachitsulo. Popanga, emulsions nthawi zambiri amagwiritsidwa ntchito kuziziritsa zida zachitsulo.
Mipeni Yachitsulo Yothamanga Kwambiri
Ngakhale kuti mawu oti "liwiro lalikulu" angowonjezedwa, ndi osiyana kwambiri ndi mipeni yachitsulo. Mipeni yachitsulo yothamanga kwambiri ndi mipeni yopangidwa ndi chitsulo chapamwamba kwambiri.Chitsulo cha alloy chapamwambachi nthawi zambiri chimakhala ndi zinthu zingapo monga chromium, nickel, tungsten, molybdenum, ndi vanadium. Kutentha kwake kumafika kuwirikiza katatu kuposa mipeni yachitsulo yachikhalidwe.
Mipeni yachitsulo yothamanga kwambiri imagwiritsidwa ntchito kwambiri m'mafakitale Mipeni yachitsulo yothamanga kwambiri imatha kuwoneka m'magulu a mafakitale okhala ndi mawonekedwe osiyanasiyana a geometric ndi njira zomwe zimafunikira kudula kosalekeza.
Chida Chodulira Carbide
Mpeni umenewu tingaunene kuti ndi mpeni wodula mipeni. Kutentha kwake kosagwira kutentha kumatha kufika madigiri 1,000 Celsius, kuuma kwake ndi kulimba kwake kumakhala kopitilira giredi imodzi kuposa mipeni yachitsulo yothamanga kwambiri, ndipo sikutha kuvala kuposa mipeni yachitsulo yothamanga kwambiri.
Zopangira zake ndi tungsten carbide (WC), titanium carbide (TiC), tantalum carbide (TaC) ndi 5-10% cobalt.
mpeni wa ceramic
Kutentha kwa kutentha ndi kulimba kwa chida ichi, ndiko kuti, kukana kuvala, ndi sitepe yoposa ya zida za simenti za carbide. Zigawo zazikuluzikulu ndi alumina ndi carbide ndipo zitsulo zina zimawotchedwa pamalo otentha kwambiri.
Popeza imakhala ndi kukana kutentha kwambiri komanso kukana kuvala, kudula kowuma kumagwiritsidwa ntchito makamaka pakudula mafakitale.
chida cha diamondi
Monga momwe dzinalo likusonyezera, chida chamtunduwu chimagwiritsidwa ntchito mwapadera podula.Ngati chida chokhala ndi diamondi chimagwiritsidwa ntchito pokonza ulusi wagalasi wochuluka kwambiri komanso mpweya wa kaboni, moyo wautumiki umaposa makumi asanu ndi awiri kuposa chida cha alloy chamtundu wamawu. Kuipa kwa zida za diamondi ndikuti zokutira za diamondi ndizosavuta kugwa, ndipo sizinganenedwe bwino.
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