Izindaba UmphakathiUhlobo

Misa-up - lena isikhathi ekhethekile endalweni

Ukwakheka ice phezu kwamanzi, kungaba umfula, ichibi noma ingilazi kwesokunxele emakhazeni - into isimanga. Lihlobene nokubhekana ubuso Izakhiwo zoketshezi.

Njengoba kuba neqhwa

La ma-molecule yamanzi afudumele iketanga, eside futhi welulela. Yingenxa la manzi amorphous. Ukushintshela kulo isimo uquqaba njengoba ice engavumelekile itholakala kuphela uma izinga lokushisa lehla kuya zero amamaki. Kulokhu, amangqamuzana amanzi ahlelwe igridi ekhethekile. Eqinisweni, kubonakala sengathi kumiswa ice. Eyesibili igama - zeqhwa. Lokhu izilwane zasendle is ngakho wahlela ukuba okokuqandisa yemizimba amanzi ngokuvamile welulela isikhathi eside. Isenzakalo esifanayo kwenzeka ngenxa izimo zezulu. Ukuze wakhe owakho pervolodka ngokwanele ebelifuzisela ambalwa nobusuku obungamashumi amane ngesikhathi isihlobo esihle frost windless. Nokho, ukufudumala abukhali, ingele nemvula, umoya mists manzi kungaholela yokuthi amanzi futhi kudingeke ibuyele esimweni sayo ketshezi. Khona-ke inkathi nqabela ukulidonsa ku isikhathi engaziwa.

Kuwo wonke ihlobo noma ekwindla efudumele amadamu buthelela ukushisa, ngakho ekuqaleni frost kuqala emanzini kuyinto kunakwezinye emoyeni nxazonke. Akumangazi, ngoba kwabantu amanzi kungaphezu! Imininingwane yamanzi afudumele futhi selehlile Imiphumela emoyeni ukusabela ngokuthi ukushisa exchange.

Lapho amanzi phezu kuyodingeka lokushisa 4 ° C., uqale ibangele amanzi ebusweni, nge okujulile. Lolu ketshezi ukuthi kwaba phezu iba obukhulu, futhi amanzi afudumele displaces iphansi lalo ngenxa kwabantu bayo aphansi. Ngenxa yalokhu, lonke ukushuba amanzi epholisa phansi ngokulinganayo.

Ebandayo - ngumkhuba lapho izinga lokushisa kwamanzi kuba ilingane no-zero degrees, futhi ivele ku-ice kwesigubhu. Ekuphileni okungokoqobo, izinga lokushisa okungenani ziyahlukahluka ngu degrees eziningana. Lokhu kungenxa yokuba khona ukungcola ahlukahlukene emanzini, futhi umbono we amanzi, Ukujula kwawo, zamanje, nesimo sendawo ngezansi.

Freeze-up on emifuleni

Misa-up - lokhu kuyinto inkathi eyingozi kakhulu engena emfuleni ice. kwakhiwa iqhwa ngemva kwelokuqala amile imizimba amanzi ngesikhathi samanje njalo. Kodwa ice ukukhula ngokushesha kakhulu ngenxa yokuthi amanzi ngaphansi kwezingaqhwa.

Ingozi main pervolodya emifuleni - ushintsho ezingeni amanzi. Amanzi asemhlabathini peremerzayut ayeke ugqugquzela mfula ngenxa ezingeni amanzi ngokuphazima kweso kuba ephansi, futhi kwakheka ice lokuqala iqale ukunqamuka. Floe ushayise endaweni eyodwa, lapho ke ukufriza ngokuphepha, ukwakha ice hummocks.

Uma kungaqhubeka ice

Kukholakala ukuthi ukushuba qhwa 5 cm zingamelana isisindo umuntu oyedwa. Nokho, abalandeli ukudoba ice is hhayi Kunconywa ukuvula isizini, kanti ukushuba ice ifinyelela okungenani 10 cm - kunenkolelo yokuthi uma lokhu ukujiya luvaliwe umnkantsha. Lokhu akudingekile ukuhlola nsuku zonke. Asikho isidingo njalo aye emfuleni. Enough ukwenza izibalo ezilula futhi ukuzula Usuku lokukhishwa phezu eqhweni. Kukholakala ukuthi ne ice etholakala 10 cm kanye lokushisa air ngu 5 degrees ukumboza ukujiya ngelanga engeza 4 cm, ezingeni lokushisa -10 - 6 cm cishe kabili ukushuba we ice uma izinga lokushisa ebusuku izogcinwa ngezithuba -20 degrees ..

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