2024 Tus sau: Priscilla Miln | [email protected]. Kawg hloov kho: 2024-02-18 01:27
Cov khoom tshwj xeeb ntawm paj rwb tau paub rau noob neej ntau tshaj ib txhiab xyoo. Muaj ib zaug, tib neeg kawm ua ntaub los ntawm cov nroj tsuag no thiab xaws khaub ncaws los ntawm nws. Nws yog tseem cultivated hnub no, thiab nyob rau hauv ib tug loj loj industrial scale. Txawm hais tias muaj coob tus ntau yam ntawm cov khoom siv niaj hnub no, cov khoom siv paj rwb yog qhov sib piv tsis zoo nrog ib qho ntawm lawv. Thiab qhov ntxiv, nws tsis yog rau tsis muaj dab tsi uas paj rwb hu ua "dawb kub"!
paj rwb yog huab tais ntawm cov ntaub raw khoom
Nov yog tsob ntoo txhua xyoo "nyob" hauv Central Asia, Kazakhstan, Transcaucasia thiab lwm thaj chaw. Hauv cov thawv me me saum cov paj rwb cov noob yog cov muag heev "huab" ntawm cov zaub ntsuab cellulose fiber ntau. Lawv yog tus nqi tseem ceeb. Nyob ntawm qhov ntev ntawm cov fibers, paj rwb yog cais raws li ntev-staple, nruab nrab-staple thiab luv-staple. Rau qhov kov, paj rwb pob yog mos heev, sov, qhuav thiab me ntsis ntxhib. Cov paj rwb sib txawv ntawm cov tuab (tuab, nruab nrab, nyias) thiab qhov chaw ntawm pawg (ib tog thiab ob sab pawg). Cov khoom siv "muab" no paub txhua tus txij thaum yau, vim tiasNws yog los ntawm nws tias cov khaub ncaws rau menyuam yaus yog sewn. Txawm tias cov menyuam yug tshiab, cov khoom ntuj tsim ntawm paj rwb ntaub yog qhov zoo tagnrho. Hmoov tsis zoo, tam sim no, cov ntaub ntawv ua los ntawm 100% ntuj "dawb kub" tuaj yeem pom tsawg thiab tsawg, thiab lawv cov nqi nce ntxiv thiab ntau dua. Tab sis hauv kev tsim khoom loj, cov kev xaiv sib xyaw ua ke yog tsim muaj qhov sib txawv ntawm cov paj rwb xov. Nws yog qhov nyuaj heev kom pom qhov txawv ntawm cov ntaub no los ntawm ib leeg, txawm li cas los xij, thaum kov lub cev, qhov kev xav ntawm cov khoom ntuj thiab cov khoom ib nrab yog txawv kiag li.
Kev sib xyaw thiab cov khoom ntawm paj rwb
Paj Rwb yog cov khoom siv tseem ceeb tshaj plaws hauv kev lag luam textile. Nws muaj 90% ntshiab cellulose. Lub thickness ntawm villi-xov yog los ntawm 0.01 mus rau 0.04 hli. Lawv nyob ib sab saum toj ntawm lwm tus nyob rau hauv ib tug kauv, thiab nyob rau hauv tus txheej txheem ntawm spinning, screwing ib tug mus rau lwm yam, lawv ua rau zoo heev adhesion. Cov khaub ncaws ua los ntawm cov paj rwb ntuj tsim muaj cov khoom zoo hygroscopic thiab "breathable", vim nws zoo kawg nkaus absorbs hws, tsis lo rau lub cev thiab tsim kom zoo microclimate. Tag nrho cov khoom siv paj rwb muaj kev tu cev zoo, lawv nyiam hnav, tsis ua rau muaj kev tsis haum thiab ua rau tawv nqaij, yog li lawv tsim nyog rau txhua tus neeg. Nyob rau hauv lub xub ntiag ntawm cov kab mob ntawm daim tawv nqaij, cov kws kho mob pom zoo kom hnav khaub ncaws paj rwb xwb, raws li nws muaj ib tug kho nyhuv, muab daim tawv nqaij ua pa.
Lub cev thiab tshuaj lom neeg ntawm paj rwb
paj rwb tsis tuaj yeem yaj hauv alkali, phenol thiab acetone, tab sis nws tuaj yeemrhuav tshem hydrochloric thiab sulfuric acids. Nws tiv taus qhov kub thiab txias, muaj peev xwm tiv taus kua muag thiab abrasion, uas ua rau nws muaj peev xwm rov ntxuav hauv dej kub nrog kev siv cov tshuaj detergents thiab hnav ntev ntev ntawm cov khoom ua los ntawm cov paj rwb ntuj. Tsis tas li ntawd, cov khoom ntawm paj rwb pab txhawb kev nqus mus txog 20% ntawm nws tus kheej qhov hnyav ntawm cov dej noo, tawm hauv qhov kev xav ntawm dryness.
Pom zoo:
Paj rau thawj hnub: kev sib tham sib tham, seb yuav muab paj, xaiv paj thiab xaiv pob paj
Txhua tus neeg muaj hnub nyoog li cas, thawj hnub yog qhov zoo siab. Yog li ntawd, kev npaj rau nws yuav siv sij hawm ntau heev. Thiab yog hais tias peb tham txog dab tsi ib tug txiv neej yuav tsum tau soj ntsuam, ces qhov no yog lo lus nug: dab tsi paj muab rau thawj hnub thiab nws puas tsim nyog rau tag nrho cov
Frying lauj kaub los ntawm IKEA: tshuaj xyuas, kev qhia tshwj xeeb. IKEA khoom noj khoom haus
IKEA muaj npe nrov rau nws qhov zoo thiab ua haujlwm ntev. Nws tsim ntau yam khoom siv hauv tsev. Niaj hnub no peb yuav xav txog nrog koj cov tais diav uas tsim los ntawm IKEA, kib lauj kaub. Koj tuaj yeem nyeem cov kev txheeb xyuas txog lawv
Kuv puas tuaj yeem kuaj cev xeeb tub yav tsaus ntuj? Puas yuav kuaj pom cev xeeb tub yav tsaus ntuj?
Cov neeg tsim khoom pom zoo kom kuaj cev xeeb tub thaum sawv ntxov, thaum qib ntawm hCG cov tshuaj hormones nyob rau theem siab tshaj. Tab sis yog tias txog thaum sawv ntxov tseem tos ntev heev? Cov lus nug tshwm sim txog seb nws puas tuaj yeem kuaj cev xeeb tub thaum yav tsaus ntuj?
Nyob zoo thiab yooj yim rau sew American paj rwb yog khoom plig rau needlewomen
Lub mercerization ntawm American paj rwb coj tawm qhov zoo tshaj plaws zoo ntawm ntuj fiber ntau thiab txo nws cov shortcomings
Pab dab tsi yuav muab rau lub tshoob ntawm tus newlyweds? Pob paj ntawm dawb roses. Dab tsi paj tsis tuaj yeem muab rau lub tshoob ntawm newlyweds
Cov paj uas nrov tshaj plaws ntawm roses thiab peonies, lilies ntawm hav thiab lilies. Cov khoom siv los ntawm cov nroj tsuag no hais txog kev muaj siab rau kev hlub, khoom kim heev, rhiab, thiab muaj kev txhawb nqa txhim khu kev qha. Nws yog qhov zoo tshaj plaws los ua bouquets ntawm lub teeb paj nyob rau hauv txaj ntxoov, uas yuav yeej haum txhua tint palette ntawm kev ua koob tsheej