Ho teteana

Sengoli: Peter Berry
Letsatsi La Creation: 17 Phupu 2021
Ntlafatsa Letsatsi: 10 Mots’Eanong 2024
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Litaba

The segokanyipalo ke tekanyo ea ho ikamahanya ha lisebelisoa tse fapaneng, kaha paramethara ena e lekanya boholo ba boima bo fumanehang ka yuniti ea unit.

Haeba sephutheloana se le seng se na le lipelete tsa Styrofoam, ka mohlala, 'me sephutheloana sa bobeli, sa boholo bo tšoanang, se na le lithaele tsa letsopa, ho hlakile hore ea bobeli e tla ba boima ho feta ba pele. Bongata ke thepa e lumellang lintho tse fapaneng ho khetholloa.

Ka mohlala, eena etella pele e na le botenya ba 11.3 g / cm3, ea lebese ke 1,03 g / cm3 'me ea carbon monoxide, e leng khase e chefo haholo ho batho, ke 0,00125 g / cm feela3. The 'mele e tiileng e tloaetse ho ba le letsoalo le phahameng ho feta maro 'me tsena le tsona li na le letsoalo le phahameng ho feta likhase.

Materase a foam a rabara, a entsoeng ka thepa e bitsoang polyurethane kapa polyester, a ka ba le letsoalo le fapaneng mme sena se etsa qeto ea karolo e 'ngoe ea boleng le ho tšoarella ha' ona. Tabeng ena, botenya ba foam bo hlahisoa ka likilogerama ka mitha oa khubiki (kg / m3).

The bonyane kgothaletswa segokanyipalo bakeng sa ho etsa materase Ke 22 kg / m³, materase a tenyetsehang a ba boima empa a nkuoa a le betere ho qoba mathata a bohloko ba morao le mokokotlo oa mokokotlo; li boetse lia tšoarella.


The thepa e mafura le e sa tenyaneng haholo hangata li na le thuso joaloka mocheso le li-insulators tsa molumo. Lisebelisoa tsena hangata li phaphamala ka metsing, joalo ka kork kapa polasetiki.

Moelelo oa tšoantšetso oa "ho teteana"

Ka katoloso ea mohopolo ona oa botenya ba 'mele ke hore ho thoe ho hong ho teteane, ka tsela ea tšoantšetso, ha e hloka tlhokomelo e ngata kapa ho tsepamisa mohopolo ho utloisisa, ekaba hobane ho le thata kapa ho le thata.

Mohlala, sehlooho se hlalosoa e le “letso-letso” ha se loantšana; buka kapa filimi e ka bitsoa "dense" kapa "dense" ka mokhoa ona hape. Esita le taba ea koleche e hlokang thuto e ngata kapa boiteko ba ho ntša kapa ho tšoara ka hlooho e ka khetholloa ke baithuti e le "teteaneng."

Palo ea baahi

Ka lehlakoreng le leng, letsoalo la baahi ke khopolo ea palo ea batho e ikarabellang ho palo ea batho ka yuniti ka nngwebokaholimo, ebang ke batho kapa liphoofolo kapa limela.


Mehlala ea letsoalo

Mehlala ea methapo e fapaneng ea likarolo tsa lik'hemik'hale kapa thepa e rarahaneng, le palo ea baahi ba litoropo:

  1. Boima ba Naphtha: 0.70 g / cm3
  2. Boima ba leqhoa (ho 0 ° C): 0.92 g / cm3
  3. Boima ba mercury: 13.6 g / cm3
  4. Boima ba literene tse tloaelehileng tsa foam: 28 kg / m3
  5. Palo ea baahi ba Mexico City (selemo sa 2010): 5862 baahi / km²
  6. Paraná phaene ea lehong (e omme): 500 kg / m3
  7. Botenya ba patsi ea litsie (e omme): 800 kg / m3
  8. Boima ba helium (khase eo libalune tse fofang li nang le eona): 0.000178 g / cm3
  9. Boima ba Uranium: 18.7 g / cm3
  10. Boima ba ho nchafatsa lifate tsa lenga morung oa Andean-Patagonian: 20,000 ho isa ho 40,000 mehlala / ha.


E Tummeng

Mekhoa ea Bolumeli
'Mapa oa mohopolo
Lithapelo tsa Lente