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Lebitso la Sehlahiswa:Lignin
Sebopeho sa molek'hule:C3H8NO5P
Nomoro ea CAS:9005-53-2
Sehlahisoa sebopeho sa molek'hule:
Lentsoe "lignin" le tsoa ho lignum ea Selatine bakeng sa patsi, 'me limela tse entsoeng ka lehong kapa likarolo tsa limela li na le bongata bo bongata ba ntho ena. lignin ke karolo ea bohlokoa ea marapo a marapo a bobeli a lisele 'me kahoo ha e fumanehe limela tse nyenyane kapa likarolong tsa limela tse ntseng li hōla. Ke lignin e fanang ka ho thatafala le ho tiea ha likutu tsa lifate le likarolo tse ka morao tsa limela tse sa feleng. Lerakong la sele, lignin e tlamahane le likarolo tse ling, haholo-holo hemicellulose. Setsi sa lignin-cellulose-hemicellulose se na le bohlokoa ba moruo tlhahisong ea pampiri ho tloha lehong. Litlamo tse matla tse hokahanyang thepa ea cellulosic le lignin li etsa hore e neng e sa fihlellehe ho enzyme hydrolysis, kahoo lignin e na le tšusumetso e tobileng ho tšileng ha lijo, ka hona boleng ba phepo, ba limela tsa litlama ho liphoofolo tse fulang. Limeleng tsa litlama, lignin e boetse e hokahane le protheine ea lerako la sele.
Lignation ea limela e ama tatso ea litholoana le meroho. Ka hona, "lisele tsa majoe" tse sa thabiseng ka lipere li bakoa ke lignification, 'me lijalo tse ngata tsa metso le tse ka morao, tse kang lihoete, beetroot, celery kapa asparagus, ha li tsofetse li fetoha li-inedible ka lignification.
Mohloli oa vanillin, syringic aldehyde, dimethyl sulfoxide, Lignin (Dealkaline) e ka ba extender bakeng sa polasetiki ea phenolic, ho matlafatsa rabara (esp bakeng sa lieta tsa lieta), e le motsoako oa seretse sa oli, ho tsitsisa emulsions ea asphalt, ho fokotsa liprotheine.
Ponahalo e akaretsang ea lichens e hlalosoa e le crustose (li etsa lekhalo le tšesaane le le bataletseng holim'a substratum), foliose kapa fruticose (libopeho tse otlolohileng, tse nang le makala, tse tšoanang le lihlahla). Boriba bo hola butle ho tloha ho limilimithara tse 'maloa ho ea ho limithara tse' maloa selemo le selemo. Li ikatisa haholo ka nts'etsopele ea apothecia kapa perithecia, ho etsa lichens tse ncha ka ho mela ha li-ascospores feela ka pel'a molekane oa algal eo ho se nang fungus e shoang.
Hoo e ka bang lik'hemik'hale tse 700, tse ikhethang ho boriba, li thusa boriba hore bo phele le ho thibela litlhaselo tsa baktheria, li-fungus tse ling le liphoofolo tse jang litlama.
Boribe ke ba lichaba tse ka tlas'a mobu 'me li thusa ho tsitsisa mobu, haholo-holo libakeng tse lehoatata. Li-cyanolichen li kenya letsoho ho lokisa naetrojene tikolohong eo li holang ho eona. LicheGare e sebelisetsoa ho khetholla lilemo tsa bokaholimo (tseo li holang ho tsona) ka mokhoa o bitsoang lichenometry.
Lichens ke matšoao a tšilafalo ka lebaka la phapang ea bona ea kutlo ho sulfur dioxide (SO2), nitrogen dioxide (NO2) le ozone, hammoho le bokhoni ba bona ba ho monya le ho bokella litšepe tse boima le radionuclides.
Lintho tse kang li-pigment, chefo, lithibela-mafu, joalo-joalo li fumanoa ho lichens, tse bohlokoa ka ho khetheha e le mohloli oa dae (mohlala, Roccella, ho fana ka litmus), meriana le litlolo tse nkhang hamonate. Boriba bo bong, joalo ka boriba ba Iceland le boriba ba likhama, bo sebelisoa e le lijo libakeng tsa arctic.
Chemwin e ka fana ka mefuta e mengata ea li-hydrocarbon tse ngata le li-solvents tsa lik'hemik'hale bakeng sa bareki ba indasteri.Pele ho moo, ka kopo bala lintlha tse latelang mabapi le ho etsa khoebo le rona:
1. Tshireletso
Tšireletseho ke eona ntho e tlang pele bophelong ba rona. Ntle le ho fa bareki tlhahisoleseling mabapi le ts'ebeliso e sireletsehileng le e baballang tikoloho ea lihlahisoa tsa rona, re boetse re ikemiselitse ho netefatsa hore likotsi tsa polokeho ea basebetsi le borakonteraka li fokotsoa ho ba bonyane bo utloahalang le bo ka khonehang. Ka hona, re hloka hore moreki a etse bonnete ba hore litekanyetso tse nepahetseng tsa ho laolla le ho boloka polokeho li fihlelleha pele ho tlisoa ha rona (ka kopo sheba sehlomathiso sa HSSE ho latela maemo le maemo a kakaretso a thekiso a ka tlase). Litsebi tsa rona tsa HSSE li ka fana ka tataiso mabapi le litekanyetso tsena.
2. Mokhoa oa ho fana
Bareki ba ka odara le ho fana ka lihlahisoa ho tsoa ho chemwin, kapa ba ka fumana lihlahisoa ho tsoa femeng ea rona ea tlhahiso. Mekhoa e teng ea lipalangoang e kenyelletsa lipalangoang tsa literaka, terene kapa mefuta e mengata (maemo a arohaneng a sebetsa).
Tabeng ea litlhoko tsa bareki, re ka hlakisa litlhoko tsa likepe kapa litanka mme ra sebelisa litekanyetso tse khethehileng tsa polokeho / tlhahlobo le litlhoko.
3. Palo e fokolang ea taelo
Haeba u reka lihlahisoa sebakeng sa rona sa marang-rang, palo e tlase ea odara ke lithane tse 30.
4.Tefo
Mokhoa o tloaelehileng oa ho lefa ke ho fokotsa ka kotloloho matsatsing a 30 ho tsoa ho invoice.
5. Litokomane tsa thomello
Litokomane tse latelang li fanoe ka thomello ka 'ngoe:
· Bill of Lading, CMR Waybill kapa tokomane e 'ngoe e amehang ea lipalangoang
· Setifikeiti sa Tlhahlobo kapa Tumellano (haeba ho hlokahala)
· Litokomane tse amanang le HSSE tumellanong le melaoana
· Litokomane tsa meetlo ho latela melaoana (haeba ho hlokahala)
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