Kwabantu izinkuni, izici impahla kanye nezici zayo

Ubudlelwano yenqwaba ukhuni mass - esibaliwe ukuminyana isihlahla, kungakhathaliseki ukuthi yini uhlobo zohlobo in umbuzo. Kg \ ^m3 - akubheka njengokuhle oboniswe futhi wabonisa lesi sici. Ngo ngamunye ehlukile idwala kwabantu kuncike izinto ichaze yezinyoni. Ngaphezu kwalokho, ipharamitha ngokwanele kubalulekile kuba mass izinkuni izidakamizwa per unit ivolumu. Le mpahla kakhulu ukuthi yini zohlobo ngalunye has kwabantu lalo.

Yini enye okudingeka ukwazi mayelana kwabantu?

Lapho ukuminyana ibalwa okwesikhathi zohlobo oluthile, bese sikhuluma impendulo noma isilinganiso okunemibandela. Endabeni inkulumo ezivamile mayelana nenhlonipho yenqwaba mass, kodwa ivolumu izimbotshana cell kungukuthi kunakwe. A ukhuni ngokwayo kulinganiselwa khona ukuthi ngokuphelele eyomile.

Kuzo zonke izinhlobo izinkuni isakhi esiyinhloko siqukethe cishe izingxenye efanayo. Ukubala kwabantu izinkuni, kubalulekile ukuba ugcine engqondweni. Yingakho zonke izinhlobo lesi sici okunemibandela has cishe kwenani elifanayo. Kuyinto umfanekiso 1,56 g \ m ^2. Futhi nomswakama ngamaphesenti angu-12 wonke kunqunywa izakhiwo physic-lokukhanda. Izinkuni kwabantu lapha ihlobene amandla. Lesi sici unga engaphansi kakhulu ku nomswakama. Kukhona amatafula ekhethekile ukuze ukutadisha izici uhlobo oluthile.

Kuthiwani ukuminyana isilinganiso?

I porosity kwezinkuni kanye nomswakama - izinkomba main ukuthi ukucacisa lokhu ipharamitha. Ngokuvamile, ukubaluleka icaciswe maqondana okuqukethwe umswakama amaphesenti angu-15.

Kungani kubalulekile ukwazi lesi sici?

Ekusebenteni, kwabantu kwezinkuni kwenza ngempela umahluko omkhulu. Ngokwesibonelo, unamandla amakhulu kuyinto izinkuni, lapho isibalo singamaphesenti ephakeme. Lokhu kusho ukuthi into kuyoba nzima kakhulu ukubhekana nakho. Antiseptics zokhuni kwabantu ephakeme nalo uphathwe kabi ukwedlula ezinye izinketho.

Le sethingi ukhonza njengomdala ngesisekelo ngezigaba, ngawo eziphila zingahlukaniswa ngamaqembu amathathu. Ngokwesibonelo, imithi density ongaphakeme. Softwood kuleli qembu akunakubangelwa zonke izinhlobo fir nesihlahla sonwele, uphayini, zonke izinhlobo + zomsedari, umjunipha ezivamile. Uma sikhuluma hardwoods, kuyafaneleka kokukhuluma velvet Amur, Manchurian, grey nomhlophe ziyadliwa zokutshala onsundu, omnyama nomhlophe Alder, e-aspen, zonke izinhlobo willow, Linden futhi Poplar.

Iziphi ezinye izinhlobo inhlahla?

Isilinganiso kule ndawo kucatshangwa ukuthi izinombolo kusuka 560 kuya 750. Phakathi kwe-yew ngale coniferous kanye larch abangaphansi kwalesi zilwane. Kodwa abameleli oluqinile kungaphezu. Ngokwesibonelo, lesiManchu kanye ezivamile umlotha, apula, Persimmon, mountain ash, Nemisikhamori, ziyadliwa, hazel, Maple, Elm, Elm,-Mongolian, marsh, empumalanga kanye ubudala oki, ipheya, Elm, abantu baseYurophu abathuthela kule Oriental beech, omnyama ophuzi, Fluffy, warty birch. Lolu hlobo, lapho cishe kwabantu efanayo kwezinkuni. Ithebula kuzokusiza uqonde izici le ndlela, ukuthola impahla kwesokudla ngokwanele.

Izinombolo 750 nangaphezulu azisenzeki ngokuvamile kakhulu, kodwa namanje ungathola izihlahla ezinjalo. Ngokwesibonelo, ephistakhiyo futhi boxwood. Noma hornbeam. ukhuni ukuminyana kuleli qembu ayamangalisa ngempela, kodwa iningi lazo izitshalo acishe never kwenzeke ezweni lakithi.