Izindaba zemboni
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Uwoyela waseSaudi uyahlaselwa futhi!I-crude ibheke ku-$70!
Igagasi elilodwa alikalingani elinye liye laphakama. Izindaba zokuncishiswa kwe-OPEC kanye nokuqhunyiswa kwamabhomu e-Iraq azikapheli futhi izwe likawoyela waseSaudi! Ngemuva kokuhlaselwa kwe-Iraq, iSaudi Arabia ...Funda kabanzi -
Ukusetshenziswa kwe-2-naphthol
I-2-Naphthol, eyaziwa nangokuthi i-β-naphthol, i-acetonaphthol noma i-2-hydroxynaphthalene, ingama-flakes amhlophe acwebezelayo noma impushana emhlophe. Ukuminyana kungu-1.28g/cm3. Iphuzu elincibilikayo lingu-123℃124℃, indawo yokubilisa ingu-285℃286℃, kanye ne-flash point ngu-161℃. Iyavutha, futhi umbala uzoba mnyama ngemuva kwesikhathi eside...Funda kabanzi -
sicela ukholwe ukuthi singochwepheshe futhi ifektri yethu izwela kakhulu
Ukuphelela kufinyelelwa ngamadigri ahamba kancane; kudinga isandla sesikhathi. Izwe okwakufanele lifike, kwakufanele lihambe liwukuphila, njengoba izinkumbulo zezizukulwane eziningana, uMalume uDahl washiya unomphela, umbono wobuwula bakhe, umbono wokuhlekisa kwakhe, ekukhanyeni nasethunzini uyoba mncane umhlaba utolika...Funda kabanzi -
Ukwehla kwamandla emali?Izintengo ziyakhuphuka!Izigidigidi ezingu-1.9 zokukhishwa kwamanzi!Izinto ezisetshenziswa ngamakhemikhali nangemuva kwemakethe!Uyafuna!Rose!
Amanani ayakhuphuka!Imali iba yize! IMelika ihola umhlaba wonke ukukhulula amanzi! Izintengo zempahla ziyakhuphuka! Izindleko zezinto ezingavuthiwe zenyuke kakhulu, okuphoqe ukuthi izimpahla zabathengi zikhuphuke ngokushesha intengo! Ekugcineni, umthengi uyakhokha! Ingabe isikhwama sakho semali silungile? Kuyahlanya kakhulu!I-US ikhishwe...Funda kabanzi -
Phuma lapha uqaphile!Imali yezwe iwile, amanani enyuka, aphikisana nokulahlwa njalo!
ITurkey isivele ihlaselwe yimali ewayo kanye nokwehla kwamandla emali eminyakeni emibili edlule. Ngo-2020, ubhubhane olusha lwabhekana neTurkey elinye igalelo, layiqhubezela ekuwohlokeni komnotho okungapheli. Imali yaseTurkey, i-lira, ibhidlika ngesivinini esiqopha umlando futhi nezimali zayo zokuhwebelana kwamanye amazwe ziyancipha ...Funda kabanzi -
Ukwehla kwamandla emali ocansini okungalawuleki!Izintengo zamakhemikhali eziningi ziyakhuphuka! Izinga lempahla liyakhuphuka!
Ngosuku lokuqala emuva kweholide, intengo yezinto zokusetshenziswa zamakhemikhali yenyuka. Abanye abantu bathi, ungakhathazeki, ngifuna ukulinda, Ukulinda ukuza, kuphendulwe izikhathi eziningana intengo! Ngokungabaza ikhulu, Emakethe yamakhemikhali yanamuhla, i-Trance ayiyona ihlaya, iyiqiniso! Ayisalawuleki...Funda kabanzi -
Umkhuba oqinile emakethe yamakhemikhali kulindeleke ukuthi uqhubeke! Athena
Ukuvalwa kokucwenga okuningi! Uwoyela ongahluziwe ukhuphuka uze ufike ezingeni elisha lezinyanga eziyi-13! Njengoba isimo sezulu esibandayo sidlulela eningizimu ye-Texas, sonke isifunda sase-Texas siphoqeleke ukuthi sisebenzise ukunqanyulwa kukagesi okujikelezayo ukuze kuncishiswe isidingo futhi kugwenywe “ukucima kukagesi okuyinhlekelele” okuthatha isikhathi eside. Ukusabalala kwe-p...Funda kabanzi -
Ukushesha nokulawula odayi bendwangu abahlukahlukene
. Ukushesha kwezindwangu okuyisithupha 1. Ukushesha okukhanyayo Ukushesha ukukhanya kubhekisela ezingeni lokuguquguquka kwemibala yendwangu ngenxa yokukhanya kwelanga. Indlela yokuhlola kungaba ukuchayeka elangeni noma ukuchayeka emshinini emini. Idigri efiphalayo yesampula ngemva kokuchayeka iqhathaniswa nesampuli yombala evamile. Kuyinto div...Funda kabanzi -
Mangaki amabhokisi ashodayo? Isiqukathi siphumile kulayini wokukhiqiza futhi sithunyelwa ngqo esikhumulweni sezindiza!
Isiqukathi “ibhokisi kunzima ukulithola”, ukuze amabhizinisi akhiqiza amakhonteyina akhule kakhulu, amanye amabhizinisi amakhonteyina ngesikhathi soMkhosi Wasentwasahlobo nawo akhuphula ukukhiqizwa ukuze ahlangabezane nama-oda. Ukunikezwa kwesitsha kudlula isidingo Abakhiqizi basaqhubeka nokuqasha...Funda kabanzi -
I-Trimethylol amino methane (CAS77-86-1) yezimboni ezahlukene lapho uthenga izinyathelo zokuphepha.
1. I-Trihydroxymethyl aminomethane yesiqondiso se-industrial synthesis Ngenxa yesakhiwo sayo esilula, i-athomu ye-carbon emaphakathi iyisakhiwo se-tetrahedral, esiqukethe ama-hydroxymethyl amathathu kanye neqembu le-amino, elingakwazi ukwenza ukushintshwa okuhlukahlukene kanye nokusabela kwe-REDOX, iwuhlobo lwekhwalithi ephezulu ch. ..Funda kabanzi -
Izinga lempahla liphezulu!Itheku liyaqhuma!Izimpahla zisafika!
Ngesonto lokuqala ngemva koMkhosi Wasentwasahlobo, izindaba ezinhle zokuthunyelwa kwemikhumbi zisuka e-US naseYurophu ngempela...cha Ngokusho kwe-Baltic Freight Index (FBX), inkomba ye-Asia ukuya eNyakatho Yurophu ikhuphuke ngo-3.6% kusukela ngesonto eledlule yafinyelela ku-$8,455 /FEU, inyuke ngo-145% kusukela ekuqaleni kukaDisemba futhi ikhuphuke ngo-428% isuka ...Funda kabanzi -
Abathengisi emhlabeni wonke balindele ngokulangazela okuthi “Made in China”!
Izindleko zokuthutha zisuka e-China ziye e-Europe zikhuphuke ngokuphindwe kahlanu ezinyangeni ezisanda kwedlula ngenxa yendawo yokuthutha eqinile.Kuthintwe yilokhu, izimpahla zasekhaya zase-Europe, amathoyizi nezinye izimboni zohlu lwabathengisi ziqinile.Izikhathi zokulethwa kwabahlinzeki ziyaqhubeka nokukhula zize zibe sezingeni eliphezulu kusukela ngo-1997 .Funda kabanzi