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Ukwelashwa kwamanzi
Kunezindlela ezintathu zokwelashwa kwamanzi: ukwelashwa ngokomzimba, ukwelashwa ngamakhemikhali, nokwelashwa kwamanzi okuphilayo. Indlela abantu abaphatha ngayo amanzi isineminyaka eminingi ikhona. Izindlela ezibonakalayo zifaka: izinto zokuhlunga ezikhangayo noma ezivimba ukungcola emanzini, okuqondile...Funda kabanzi -
Umehluko phakathi kwe-:UVA UVB UVC UVD
Ukukhanya kwelanga kuyigagasi likagesi, elihlukaniswe ukukhanya okubonakalayo nokukhanya okungabonakali. Ukukhanya okubonakalayo kubhekisela kulokho iso lenyama elingakubona, njengokukhanya kothingo olunemibala eyisikhombisa okubomvu, okusawolintshi, okuphuzi, okuluhlaza okotshani, okuluhlaza okwesibhakabhaka, oku-indigo, nokunsomi ekukhanyeni kwelanga; ukukhanya okungabonakali kubhekise ku-w...Funda kabanzi -
Umehluko phakathi kwe-hot cathode UV germicidal lamp kanye ne-cold cathode UV germicidal lamp
Umgomo wokusebenza kwesibani se-hot cathode ultraviolet germicidal lamp: ngokushisisa ngogesi impushana ye-electron ku-electrode, ama-electron aqhumisa ama-athomu e-mercury ngaphakathi kweshubhu lesibani, bese ekhiqiza umhwamuko we-mercury. Lapho i-mercury vapor ishintsha ukusuka ku-low-en...Funda kabanzi -
UKUGUQULWA Kwamayunithi Amazwe Ngamazwe Okulinganisa Ubude
Iyunithi yobude iyiyunithi eyisisekelo esetshenziswa abantu ukukala ubude bezinto ezisemkhathini. Amazwe ahlukene anamayunithi ahlukene obude. Kunezinhlobo eziningi zezindlela zokuguqula iyunithi yobude emhlabeni, okuhlanganisa amayunithi obude bendabuko yamaShayina, amazwe ngamazwe...Funda kabanzi -
Ingabe ukhethe insimbi engagqwali efanele?
Empilweni, sisebenzisa insimbi engagqwali yonke indawo, kusukela emabhulohweni, ezitimeleni, nasezindlini kuya ezinkomishini zokuphuza ezincane, amapeni, njll. Ziningi izinto zensimbi engagqwali, futhi kufanele ukhethe insimbi engagqwali efanele ngokuvumelana nokusetshenziswa kwangempela. Lesi sihloko sizodingida kabanzi ...Funda kabanzi -
Uma ikhasimende lingaphenduli, yini okufanele uyenze?
Manje sesingene enkathini entsha ye-e-commerce, futhi ukuhwebelana kwamanye amazwe ku-inthanethi sekuyinto ehamba phambili. Iziteshi zokuthengisa zinwetshwa ngezinkundla ze-e-commerce ukuze kutholwe amakhasimende amasha aphesheya kwezilwandle. Kodwa-ke, ngenkathi imodeli eku-inthanethi iletha lula, ibuye ibe nokubi...Funda kabanzi -
Ukuqhathaniswa kwezihlanzi zentuthu zikawoyela ezi-5 ezivame ukusetshenziswa
Njengoba isisho sithi, "Ukudla kuyinto ebaluleke kakhulu kubantu." Ukupheka kwamaShayina akuyona nje into enhle kakhulu yobuchwepheshe, kodwa futhi inaka ukuvumelana nobunye bombala, iphunga, ukunambitheka, ukuma nobuhle bokudla. Kukhona izindlela zokupheka zaseShayina ezingama-42...Funda kabanzi -
Ingxoxo Ngokusula Ukukhanya Kwesicwecwe Se-UV
I-wafer yenziwe nge-silicon ehlanzekile (Si). Ngokujwayelekile ihlukaniswe ngokucaciswa okungu-6-intshi, 8-intshi, no-12-intshi, iwafa ikhiqizwa ngokusekelwe kule wafer. Ama-silicon wafers alungiselelwe kusuka kuma-semiconductors ahlanzekile ngokusebenzisa izinqubo ezinjengokudonsa ngekristalu nokusika abizwa ngokuthi ...Funda kabanzi -
Ngemva “kweqhwa elinzima” ekhalendeni lenyanga, ungadla “okumhlophe okuthathu” ukuze uhlale unempilo.
Disemba 7, 2023, usuku lwama-24 ku-Okthoba ekhalendeni lenyanga (ikhalenda lenyanga), "iqhwa elinzima" ngokwemigomo yelanga yesiShayina. "Isithwathwa Esindayo" igama lesi-21 kwangu-24 ekhalendeni lenyanga kanye nethemu yesithathu yelanga ebusika, okuphawula ukuqala okusemthethweni ...Funda kabanzi -
Impilo edlule neyamanje yamalambu e-ultraviolet germicidal
Kusukela i-WHO imemezele ngokusemthethweni i-COVID-19 ngokuthi "ubhubhane" lomhlaba wonke ngoMashi 11, 2020, amazwe emhlabeni jikelele athathe ngazwi linye ukubulawa kwamagciwane njengomugqa wokuqala wokuzivikela ukuvikela ukubhebhetheka kwalolu bhubhane. Ziyanda izikhungo zocwaningo lwesayensi...Funda kabanzi -
Ikhathalogi yama-microorganisms e-pathogenic adluliselwa kubantu
Qaphela: Lesi sihloko sikhiqizwe kabusha kusukela “Ohlwini Lwezinambuzane Ezithathelwanayo Zomuntu” oluhlelwe uMnyango Wezempilo wase-People's Republic of China, inkundla kazwelonke ehlanganisiwe yesevisi ye-inthanethi kahulumeni. Okulandelayo ingcaphuno evela embhalweni oyinhloko. E...Funda kabanzi -
Izinga Likazwelonke Lokuhlola Izindlela Zamazinga Amasha Amanzi Okuphuza AmaShayina
Ingxenye 10: Izinkomba zomkhiqizo wokubulala amagciwane sezisetshenzisiwe Izinga likazwelonke "Izindlela Zokuhlola Ezijwayelekile Zamanzi Okuphuza - Ingxenye 10: Izinkomba Zemikhiqizo Engena Amagciwane" ingaphansi kwegunya le-361 (Ikhomishini Yezempilo Kazwelonke), nomnyango onekhono...Funda kabanzi
