Isigaba: Ukukhangisa

I-Mycotoxins yizinto ezinobuthi ezibangelwa ukusebenza kwesikhunta. Umsebenzi webhayoloji wezinto ezinjalo eziphilayo uphezulu. I-Mycotoxins etholakala emikhiqizweni ilimaza impilo yomuntu. Kungani izinto ezinjalo ziyingozi? Zakhiwe kanjani futhi zingasuswa kanjani? Ayini ama-mycotoxins?Isikhunta sihlala sikhona kubantu. Abantu basebenzisa izinto ezikhiqizwe isikhunta ngezinjongo zokwelapha, ukupheka...

Ukuze kutholakale ukuxilongwa okufanele, ukuhlolwa okuhlukahlukene kunikezwa. Isimo samaphaphu sibhekwa kusetshenziswa imishini ekhethekile. Umbuzo wokuthi ngabe i-fluorography iyingozi kubantu abaningi. Ucwaningo olunjalo luwuthinta kanjani umzimba kubantu abadala nasezinganeni? Umqondo kanye nezinhlobo I-Fluorography iyindlela ekhethekile esiza ekunqumeni isimo sezitho zesifuba. Inqubo yenziwa kusetshenziswa amagagasi e-x-ray...

I-Poison sumac isihlahla esincane esikhuphukayo esivela eNyakatho Melika esingabangela kokubili ukulimala nokuzuza. Uma sikhuluma ngokubukeka, iqabunga le-sumac ehlobo liluhlaza, ngalesi sikhathi ama-inflorescence aphuzi naluhlaza ayabonakala esitshalweni. Ekwindla, amaqabunga abomvu noma awolintshi, futhi izithelo eziyindilinga eziphuzi zimila esihlahleni.…

Abantu abaningi banesithakazelo kulokho i-asidi enamandla kunazo zonke emhlabeni? Selokhu kwathi nhlo kunezingxabano. Izinhlanganisela ezihlukahlukene zithole isihloko "se-asidi enamandla kakhulu." Ekhemistry yesimanje kunemikhiqizo emisha enezakhiwo eziqine kakhulu, kodwa kunezinhlanganisela eziphilayo ezibeka ingozi kunoma iyiphi into ephilayo. Imaphi ama-acids akhona emzimbeni womuntu? I-asidi iyinhlanganisela yamakhemikhali eyinkimbinkimbi equkethe...

Kungenzeka yini ukugcina i-spathiphyllum endlini? Lesi sitshalo sasendlini sivamile futhi saziwa kabanzi. Abantu abaningi banesithakazelo ukuthi ngabe imbali inobuthi, ingabe iyingozi kubantu nasezifuyweni ezifuywayo? Yiziphi izinzuzo kanye nokulimala "kwenjabulo yabesifazane" ekhaya? I-Spathiphyllum isitshalo esihlala siluhlaza. Amaqabunga awo amnyama, anemithambo eveziwe. Igama lesibili lembali lithi “female...

Iyini iSarin? I-Sarin gas iyinhlanganisela yamakhemikhali yemvelaphi ephilayo, esekelwe ku-phosphorus. I-isopropyl ether enobuthi iwuketshezi olukhanyayo, olulula, oluhambayo, olungenambala futhi alunaphunga. I-Sarin yatholwa ososayensi ngo-1938 ngesikhathi sokuhlolwa ngezinto ezibulala izinambuzane. Ngemva kokuthola ingxube yamakhemikhali, abacwaningi bayithumela embuthweni wezempi, okwathi, ngemva kokufunda ngezakhiwo eziyingozi, baqala kabanzi ...

Ngeshwa, abantu abavamile ukubuza ukuthi ukudla abakudlayo kuphephile yini. Kodwa ukudla okuningi okuvamile etafuleni lethu kuqukethe izinsimbi ezinzima ezithinta kabi impilo yabantu. Ngaphezu kwalokho, ama-microelements ayingozi angena emzimbeni wethu ngamagesi okukhipha, intuthu kagwayi namakhemikhali asekhaya. Inani lezinsimbi liyadingeka emzimbeni womuntu, kodwa ukweqa ukugxila okuvumelekile kungabangela...

Kunezindlela eziningana zokususa uketshezi oluningi emzimbeni. Umuntu akaqapheli ngokushesha ukuba khona koketshezi okweqile. Kodwa-ke, ngemva kwesikhathi esithile, ukuvuvukala, ukuzuza isisindo, nokuthuthukiswa kwezifo kutholakala. Ukuze ugweme imiphumela emibi, kunconywa ukuhlanza umzimba wamanzi amaningi. Izimbangela zokunqwabelana koketshezi Kungani kwenzeka ukunqwabelana koketshezi emzimbeni ezinganeni nakubantu abadala? Ochwepheshe bahlonza amaningana okungenzeka kakhulu...

Indlela yokukhipha i-bile emzimbeni? Umbuzo ofanayo uthakasela abantu abaningi ababhekene nokuma kwento. I-compound yakhiwa emzimbeni, ngaphansi kwezici ezithile ingaqongelela, okubangela ukuthuthukiswa kwezinzwa ezingathandeki nemiphumela emibi. Kungenzeka ukulinganisa umthamo we-bile usebenzisa amasu athile athile. Uma kuvela izimpawu ezingemnandi, udinga ukuvakashela isikhungo sezokwelapha. Ngemuva kokuxilongwa, ukwelashwa okwanele kukhethiwe. Ezimweni eziningi…

I-Computed tomography ingenye yezindlela zokutadisha izitho zangaphakathi zomuntu. Ngokusebenzisa i-tomogram, izithombe ze-X-ray zitholwa, futhi ukuhlaziywa kwazo okuningiliziwe kwenziwa kusetshenziswa i-PC. Abantu abaningi banentshisekelo yokuthi ngabe i-computed tomography iyingozi empilweni; le nqubo ivame ukushiwo. Kuyini ukuhlola kwekhompuyutha okwenziwa kusetshenziswa umshini othile. Umgomo wokusebenza kwedivayisi usekelwe ekwakhekeni kwemisebe ye-ion ezicutshini...