Ukuxinana iinkuni, iimpawu ezo zinto zifundwayo kunye neempawu zayo

Ngokunxulumene umthamo iinkuni mass - zibalwe lexinene umthi, akunamsebenzi nokuba yintoni uhlobo hlobo ngawo. Kg \ ^m3 - njengoko kubonakaliswa yaye wabonisa le isici. Xa mninzi nganye iliwa eyahlukileyo ixhomekeke izinto ezichaza ebuhlanti. Ukongeza, i parameter ebalulekileyo ngokwaneleyo uba ubunzima wenkqu iinkuni nganye kwiyunithi umthamo. Lo mhlaba ubukhulu becala limisela ukuba uhlobo nganye mninzi yayo.

Yintoni enye ekufuneka uyazi lexinene?

Xa loxinano ibalwa ukuba uhlobo elithile, ngoko sithethe impendulo avareji okanye olunemiqathango. Kwimeko intetho eqhelekileyo malunga malunga ivolyum ubunzima, kodwa ke umthamo nemingxuma iseli azithathelwa ingqalelo. A iinkuni ngokwayo Kuqikelelwa ukuba wome ngokupheleleyo.

Kuba zonke iintlobo zomthi yinto ephambili iqulathe malunga amacandelo efanayo. Ukubala lexinene iinkuni, kubalulekile ukugcina engqondweni. Yiloo nto zonke iintlobo oku luphawu enemiqathango uye kulingane inani elifanayo. Kuyinto oyintsobi yalowo 1,56 g \ m ^2. Ke ukufuma-12 ekhulwini bonke kumiselwa iipropati physic-mechanical. Wood mninzi apha ezinxulumene amandla. Olu phawu kungaba kakhulu kuxhomekeke ukufuma. Kukho iitafile ezizodwa ukuze bafunde neempawu uhlobo oluthile.

Kuthekani avareji lexinene?

Le porosity bomthi nokufuma - izalathisi eziphambili ezibonakalisa le parameter. Ngokuqhelekileyo, nexabiso elichazwa kucacisiwe ngokunxulumene isiqulatho sokufuma-15 ekhulwini.

Kutheni kubalulekile ukwazi oku laka?

Ukuziqhelisa, lexinene yehlathi kwenza umahluko omkhulu. Umzekelo, nzima ngokuba nzima umthi, apho nani liphezulu. Oku kuthetha ukuba le mathiriyeli iya kuba nzima ngakumbi ukumelana. iinkuni kokuba ne mninzi ephakamileyo nayo baphathwe unobubi ngaphezu kwezinye iindlela.

Esi sicwangciso lisebenza njengesiseko yokuhlelwa, apho iintlobo ezikhoyo zingahlulwa zibe ngamaqela amathathu. Umzekelo, imithi ingxinano eliphantsi. Sapling kweli qela ekunokuthiwa zonke iintlobo fir kunye nespruce, nompleyini zonke iintlobo omsedare, wejunipha eqhelekileyo. Ukuba sithetha hardwoods, kufanelekile ukuba sikhankanye velvet Amur, Manchurian, engwevu emhlophe Anut kokutyala nezompleyini, alder abamnyama nabamhlophe, Aspen, zonke iintlobo willow, Linden nemipopulari.

Zeziphi iintlobo eminye imithi na apho?

Avareji kule ndawo zithathwa ukuba amanani ukusuka 560 ukuya 750. Phakathi yew coniferous kunye larch ningabaleli iintlobo. Kodwa abameli sihlahla okungakumbi. Umzekelo, i-esiManchu eqhelekileyo uthuthu, apile, ePersimmon, ash intaba, yanjengemithombe esesihlanjeni, Anut, uHazel, maple, Elm, Elm, Mongolian, Marsh, kwimpuma nabadala oki, pere, Elm, yaseYurophu oriental beech, emnyama kunye yellow ezintofontofo, amade ezinde. Olu hlobo, apho phantse elifanayo loxinano-yeharim. Le theyibhile iya kukunceda uqonde iimpawu olu khetho, fumana into elungileyo ngokwaneleyo.

Amanani 750 nangaphezulu azenzeki rhoqo kakhulu, kodwa unako ukufumana imithi ezinjalo. Umzekelo, zepistasi boxwood. Okanye hornbeam. iinkuni ezinoxinano kweli qela Akumangalisi ngenene, kodwa phantse uninzi lwezi zityalo ziphinde zenzeke kwilizwe lethu.