News and Society, Uhlobo
Iqhwa-up - oku ixesha ezizodwa ngokwendalo
Ukwenziwa umkhenkce phezu kwamanzi, nokuba umlambo, ichibi, okanye iglasi eshiywe engqeleni - simanga kuyamangalisa. Inxulunyaniswa iipropati emzimbeni olwelo.
Njengoko iintlobo ice
Iimolekyuli amanzi ashushu enza umxokelelwane, elide nangengalo. Ngenxa yokuba la manzi amorphous. Inguqu kule imeko, udibaniso njengoko ice kunokwenzeka kuphela xa amaqondo obushushu kusithwa kiswano amanqaku. Kulo mzekelo, i iimolekyuli zamanzi zilungiswe ngendlela grid ekhethekileyo. Enyanisweni, kukhangeleka ngathi ukuyilwa omkhenkce. Igama yesibini - amazinyo. Le zasendle ke ngoko walungiselela ukuba qhwa zamaqumrhu lamanzi kudla kolulwa phezu ixesha elide. A meko efanayo kwenzeka ngenxa iimeko zemozulu. Ukuze pervolodka ngokwaneleyo ukuba wema ezimbalwa nobusuku kwi iqabaka elungileyo isalamane moya. Noko ke, okuye elibukhali, iliqhwa kunye nemvula, umoya kunye iinkungu ezimanzi kungakhokelela ekubeni amanzi kwakhona ubuyela imeko yayo engamanzi. Ngoko ke ixesha ngumkhenkce draw kwi ngexesha engaziwayo.
Kuyo amadama ehlotyeni nasekwindla efudumeleyo baziqwebele ubushushu, ngoko ekuqaleni iqabaka yokuqala amanzi kunomzimba emoyeni zilurhangqile. Ngoko ayimangalisi into, ngokuba lexinene amanzi okungakumbi! Iinkcukacha yamanzi ashushu yaye zipholile iziphumo umoya sokungamelani ekuthiwa kobushushu.
Xa amanzi abaleka phezu komhlaba aza kuba lobushushu-4 degrees Celsius, baqale likuxhoxhela amanzi aphezu komhlaba, kunye nzulu. Ulwelo ibe phezu kobuso uba zamahlathi, kwaye namanzi ashushu lenkosikazi ezantsi yayo ngenxa mninzi awo. Ngoko ke, yonke ububanzi amanzi lwentaba- ngokulinganayo.
Ukuqanda - zesiganeko apho ubushushu amanzi eba ilingana degrees zero, kwaye ukuvela ice ndawo. Ebomini, ubushushu ubuncinane nga kunokuhluka izidanga ezininzi. Oku kungenxa ubukho ubumdaka ezahlukeneyo emanzini, kunye Ngenxa emanzini, ubunzulu bayo, ngoku, isimo ezantsi.
Owayevunyelwe-up on nemilambo
Iqhwa-up - oku ixesha kakhulu yingozi nghena ice umlambo. ice abunjwe kamva kunokuba kwi imizimba emanzini amileyo kwindawo yangoku rhoqo. Kodwa ukukhula ice kakhulu ngokukhawuleza ngenxa yokuba amanzi esibandayo.
Eyona ngozi pervolodya imilambo - utshintsho kwinqanaba emanzini. Amanzi aphantsi komhlaba peremerzayut kwaye ayeke ukwandisa umzila ngenxa amanzi ijika iba asezantsi, uMbumbi umkhenkce yokuqala iqalise ukuqhekeka. Floe yimoto kwindawo enye, apho ke ngoko ngumkhenkce ngokukhuselekileyo, ukwakha ice hummocks.
Xa ungaya kwi ice
Kukholelwa ukuba umkhenkce ububanzi yi-5 cm ungakwazi ukumelana ubunzima umntu omnye. Noko ke, abalandeli ukuloba ice hayi Kucetyiswa ukuba ukuvula lonyaka, lo gama i-ice ububanzi ifikelela kwi-10 cm - kukholelwa ukuba xa le ubukhulu luvaliwe amazinyo. Oku akuyomfuneko ukuba ukujonga yonke imihla. Akukho mfuneko rhoqo ukuya emlanjeni. Yanele ukuba benze izibalo ezilula uzulazule ngeenxa usuku release kwi ngumkhenkce. Ekukholelwa ukuba umkhenkce efumaneka-10 cm kwaye iqondo lobushushu air degrees 5 thabatha kukugubungela ubukhulu ngosuku sidibanise u-4 cm, kubushushu ka -10 - 6 cm phantse kabini Ebubanzini umkhenkce ukuba iqondo lobushushu ebusuku iya kugcinwa kwi -20 degrees ..
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