Cov Tswm Ciab: Hom, Keeb Kwm Ntawm Kev Tsim

Cov Tswm Ciab: Hom, Keeb Kwm Ntawm Kev Tsim
Cov Tswm Ciab: Hom, Keeb Kwm Ntawm Kev Tsim

Video: Cov Tswm Ciab: Hom, Keeb Kwm Ntawm Kev Tsim

Video: Cov Tswm Ciab: Hom, Keeb Kwm Ntawm Kev Tsim
Video: keeb kwm ntawm kev hlawv xyab.5/4/2021 2024, Kaum ib hlis
Anonim

Cov ntxhiab, noj mov, tsev neeg, hemp, kho kom zoo nkauj, tshuaj yej, muaj ntau yam tswm ciab nqa lub teeb pom kev zoo uas tuaj yeem ua rau yav tsaus ntuj romantic thiab zoo heev, thiab muab koj lub siab sov me ntsis. Thaum twg lawv tshwm sim? Leej twg tuaj nrog cov teeb pom kev zoo uas yuav nyob mus ib txhis hauv tib neeg lub neej, txawm hais tias muaj ntau thiab muaj khoom siv hluav taws xob teeb pom kev zoo?

Cov tswm ciab: hom, keeb kwm ntawm kev tsim
Cov tswm ciab: hom, keeb kwm ntawm kev tsim

Cov qauv ntawm cov tswm ciab niaj hnub no yog suav tias yog cov tswm ciab Iyiv ua los ntawm cov reeds lossis reeds. Cov neeg Iziv thaum ub tau coj cov vaj loog ua ziab lossis xaum qhuav, muab cov roj pleev kom yaj thiab yaj kom huv. Yog lawm, xws li cov tswm ciab tau sib txawv ntawm cov niaj hnub, dhau mus, nws tsis muaj lub ntsej muag - ib qho tsim nyog ntawm cov tswm ciab niaj hnub no.

Yog li ntawd, nws ntseeg tau tias keeb kwm ntawm tswm ciab pib nyob rau hauv lub nroog Loos thaum ub, nws nyob ntawm no tias cov quav dev tau siv rau hauv lawv cov chaw tsim khoom, txawm hais tias tib cov tsiaj rog yuav tseem yog cov khoom tseem ceeb rau ua lawv.

Thaum Lub Nrab Nrab Hnub nyoog, cov tswm ciab beeswax tau tsim, tab sis txij li cov khoom siv no nyuaj rau tau txais ntau dua li cov rog, xws li cov ciab ciab tau kim heev. Vim tias tus nqi siab, lawv tsis muaj rau cov pej xeem thiab siv rau hauv cov tsev muaj nyiaj.

Xyoo 18th, qhov hloov ntawm tswm ciab txuas ntxiv ua tsaug rau kev lag luam whaling. Lawv pib ua los ntawm cov phev paim, cov tshuaj uas zoo li cov quav ciab uas tau los ntawm cov hnab looj phev nyob hauv lub taub hau ntawm cov phev phev ntses. Cov tswm ciab Spermaceti tsis tau haus luam yeeb thiab muaj qhov ci ci zoo nkauj. Nyob rau lub xyoo pua nees nkaum, kev txwv txiav npluav tau tsim rau kev rho tawm ntawm phev pho, uas yog qhov tsis txaus ntseeg.

Kev loj hlob mus rau tom ntej hauv kev tsim cov tswm ciab tau tshwm sim nyob rau xyoo 19th, lub sijhawm ntawd D. Morgan tau tsim lub tshuab ua cov tswm ciab hauv pwm siv ib lub tog raj kheej nrog lub cav txav uas muaj peev xwm tshem tau cov tswm ciab uas khov.

Nyob rau hauv tib lub xyoo pua, paraffin siv quav ciab tau tsim, rau kev tsim khoom ntawm cov uas shale thiab roj tau siv. Cov ntaub ntawv no tau los ua cov khoom tseem ceeb hauv kev tsim cov tswm ciab. Paraffin tswm ciab yog qhov tsis tshua muaj nqi thiab hlawv kom ci ntsa iab yam tsis muaj ntxhiab tsw. Lub tsuas tsis zoo ntawm ntshiab paraffin yog nws tsawg melting point, yog li tswm ciab yog tsim los ntawm nws nrog ntxiv ntawm stearic acid.

Lwm qhov kev tshwm sim tseem ceeb ntawm lub xyoo pua puv 19 yog kev tsim lub teeb lub roj incandescent, uas thaum kawg ua qhov tseem ceeb ntawm cov teeb pom kev zoo, muab cov tswm ciab los ntawm lub luag haujlwm no. Dua li ntawm qhov no, tswm ciab tseem tau tsim nyob rau ntawm loj loj niaj hnub no. Lawv dai cov rooj ua si zoo nkauj, lawv tau siv los tsim kom muaj lub chaw lom zem, dai kom zoo nkauj chav ntawm rooj tog thiab rau lwm lub hom phiaj. Qhov no qhia tau tias lub neej ntawm cov tswm ciab txuas ntxiv mus, txawm tias hauv qhov sib txawv los ntawm lub hom phiaj qub.

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