2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Bakelite muaj kev nyab xeeb txog 35o degrees F, rau lub sijhawm txwv. Tab sis cov qhov cub niaj hnub no feem ntau muaj qhov kub kub hauv lawv, tshwj xeeb tshaj yog thaum lawv kub. … Yog li peb cov lus qhia txog kev nyab xeeb rau hnub rau cookware nrog Bakelite tes yog: Tsis txhob siv lawv hauv qhov cub.
Puas Bakelite tuav cov cua sov tiv thaiv?
Bakelite yog ib qho ntawm thawj cov yas uas tau tsim nyob rau thaum ntxov xyoo pua 20th. Tsis zoo li celluloid, thawj cov yas, Bakelite yuav tsis hlawv thaum raug kub. Cov yam ntxwv no, nrog rau nws lub peev xwm los ua pwm, ua rau nws yog cov khoom siv zoo tshaj plaws rau cov pob qhov rooj thiab cov tes tuav txuas nrog hlau cookware.
Puas yog Bakelite siv los ua lub lauj kaub tais diav?
Bakelite yog thermosetting yas. Nws yog ib tug phem conductor ntawm tshav kub. Nws tsis cia cua sov dhau los ntawm nws yooj yim. Yog li ntawd, nws yog siv los ua cov tes tuav ntawm cov tais diav kom tsis txhob muaj cua sov thiab nws yooj yim los tuav cov tais diav thaum ua noj.
Koj tiv thaiv cov tes yas hauv qhov cub li cas?
Peb sim yooj yim qhwv tus kov nrog ob txheej ntawm txhuas ntawv ci, tab sis nyob rau hauv 450-degree qhov cub qhov no yuav peb ob peb feeb ntxiv ua ntej tus kov tshaj 350 degrees. Ib txoj hauv kev zoo dua yogqhwv tus kov hauv ob txheej ntawm daim ntaub ntub dej thiab tom qab ntawd npog cov phuam nrog ob txheej ntawm ntawv ci.
Kuv yuav ua li cas thiaj paub tias kuv lub lauj kaub yog qhov cub pov thawj?
Ib txoj hauv kev zoo tshaj plaws ntawm kev paubseb lub lauj kaub puas haum rau qhov cub-siv tsuas yog los ntawm kev saib hauv qab ntawm nws. Txhua lub lauj kaub-pov thawj muaj lub cim rau hauv qab ntawm lawv qhia kojtias nws yog qhov cub-pov thawj.
Pom zoo:
Puas rov tuav pov hwm rov qab xav tau cov neeg tuav pov hwm rov qab?
Cov tuam txhab tuav pov hwm rov qab feem ntau yuav rov ua pov hwm lawv tus kheej, lub sij hawm hu ua retrocession. Ntau txoj cai tau nthuav tawm ntawm ntau tus neeg tuav pov hwm rov qab. Nyob rau hauv rooj plaub no, qhov kev sib pauv yuav koom nrog tus thawj coj rov tuav pov hwm uas yuav sib tham txog cov ntsiab lus ntawm txoj cai uas lwm tus neeg tuav pov hwm rov qab yuav koom nrog.
Thaum cov tuam txhab tuav pov hwm yuav kev pov hwm los ntawm cov tuam txhab tuav pov hwm ncaj qha?
Hauv cov ntsiab lus yooj yim, kev tuav pov hwm rov qab yog kev tuav pov hwm rau cov tuam txhab tuav pov hwm muab hauv daim ntawv cog lus ntawm kev them nyiaj tsis yog daim ntawv cog lus lav. Feem ntau, tus neeg tuav pov hwm ncaj qha yuav tsum xub them qhov poob thiab tom qab ntawd nrhiav nyiaj rov qab rau qhov kev poob ntawd los ntawmnws cov nyiaj rov qab.
Puas muaj pov thawj lossis tau ua pov thawj?
daim ntawv proven yog ib daim ntawv tsis sib xws yav dhau los. Ib tug tuaj yeem hais tau, Nws tau ua pov thawj nws txoj kev xav, lossis Nws tau ua pov thawj nws txoj kev xav. Raws li OED, pov thawj yog "cov ntawv ib txwm [ntawm kev koom tes yav dhau los]
Daim ntawv pov thawj puas txhais tau tias koj tau ntawv pov thawj?
A daim ntawv pov thawj txoj haujlwm tsis ua rau daim ntawv pov thawj kev tshaj lij. Yog lawm, cov kev kawm uas koj kawm hauv daim ntawv pov thawj tuaj yeem pab koj npaj kom tau txais daim ntawv pov thawj kev ua haujlwm tshwj xeeb, tab sis kev tau txais daim ntawv pov thawj tsis zoo ib yam li tau txais ntawv pov thawj.
Puas yog daim ntawv pov thawj lossis ntawv pov thawj tus kws qhia davhlau?
Daim ntawv pov thawj yog qhov ua tau lees paub. Lawv zoo sib xws tab sis tsis zoo ib yam. Qhov tseeb, hais txog cov kws qhia dav hlau, FAA ditched Certificate / Certified adjective ntev dhau los. Tam sim no tsuas yog "tso cai" tus kws qhia.
