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War on!Uburhalarhume busingise kwi $80!Ibango elikhulayo le-100 lezigidi, ixabiso lempahla ekrwada linyuke nge-8000!
Kukho “imfazwe” eninzi mva nje. Ukuchacha koqoqosho emva kobhubhane kungxamisekile. Ilizwe elikhulu liye labangela ukohlwaywa kunye nokuhlaselwa ngokuphindaphindiweyo, nto leyo echaphazela ngokunzulu ukuphucuka koqoqosho lwamazwe ngamazwe. Isiphithiphithi esincinci kwimeko yamazwe ngamazwe siya kuchaphazela imarike enkulu ...Funda ngokugqithisileyo -
Izohlwayo ziye zanda! Izohlwayo zase-US kwi-China nase-Russia, umbhodamo weemarike!Imathiriyeli ekrwada engundoqo inyuke ngama-85% kwakhona!
Ukunyuka kwamaxabiso akutsha nje akukhangeli nje kuphela, kodwa imeko yamazwe ngamazwe nayo itsala umdla omkhulu. I-oyile ekrwada iyagquma, intengiso yeekhemikhali iyenyuka. Ngokuqhunyiswa kwe-Iraq kunye neSaudi Arabia kunye nexabiso le-oyile ekrwada ukuya kwi-70 yeedola, intengiso yeekhemikhali iphinda iphezulu...Funda ngokugqithisileyo -
N, N-Dimethylaniline DMA CAS 121-69-7
Ikwaziwa ngokuba yi-dimethylaniline, engenambala ukuya kulwelo olunamafutha omthubi, ivumba elicaphukisayo, emoyeni okanye phantsi kwelanga kulula ukusebenzisa i-oxidation i-Ze ibe nzulu. Relative density (20℃/4℃) 0.9555, freezing point 2.0℃, boiling point 193℃, flash point (opening) 77℃, ignition point 317℃, viscosity (25℃) 1.528 MP...Funda ngokugqithisileyo -
I-oyile yaseSaudi ihlaselwa kwakhona! I-Crude ibheka kwi-70 yeedola!
Elinye iliza alizange liphakame elinye. Iindaba zokunqunyulwa kwe-OPEC kunye neebhombu zase-Iraq azizange zimke kwakhona i-oyile yaseSaudi yabetha kwakhona! Ngokuthe ngqo kwi-70 mark! Emva kokuba i-Iraq ihlaselwe, iSaudi Arabia ...Funda ngokugqithisileyo -
Ukusetyenziswa kwe-2-naphthol
I-2-Naphthol, eyaziwa ngokuba yi-β-naphthol, i-acetonaphthol okanye i-2-hydroxynaphthalene, i-white flakes ecwebezelayo okanye umgubo omhlophe. Ubuninzi be-1.28g/cm3. Indawo yokunyibilika yi123～124℃, indawo yokubilisa yi285℃286℃, kwaye iflash point yi161℃. Iyatsha, kwaye umbala uya kuba mnyama emva kwexesha elide ...Funda ngokugqithisileyo -
Nceda ukholelwe ukuba singabasebenzi kwaye umzi-mveliso wethu unovelwano kakhulu
Ukugqibelela kuzuzwa ngezidanga ezicothayo; kufuna isandla sexesha. Ihlabathi ekwakufuneka lize, kwakufuneka lihambe bubomi, njengeenkumbulo zezizukulwana ezininzi, uMalume uDahl washiya ngonaphakade, ingcamango yobuqili bakhe, ingcamango yokuhlekisa kwakhe, ekukhanyeni nasethunzini uya kuba lihlabathi elincinci.Funda ngokugqithisileyo -
Ukunyuka kwamaxabiso ezinto?
Amaxabiso ayenyuka!Imali iya iphelelwa lixabiso! IMelika ikhokela ihlabathi ukukhulula amanzi! Amaxabiso ezinto ezithengiswayo ayenyuka! Amaxabiso ezinto ezikrwada anyuke kakhulu, nto leyo enyanzelisa ukuba iimpahla zabathengi zinyuke ngokukhawuleza kwixabiso! Ekugqibeleni, umthengi uyahlawula! Ingaba isipaji sakho silungile? Uphambene kakhulu! I-US iyakhutshwa...Funda ngokugqithisileyo -
Phuma apha ulumkile!Imali yelizwe iwile, amaxabiso onyuka, ukuchaswa kokulahlwa rhoqo!
I-Turkey sele ihlupheke ngenxa yemali yokuwa kunye nokunyuka kwamaxabiso kwiminyaka emibini edlulileyo. Ngo-2020, ubhubhani omtsha wajongana neTurkey esinye isibetho, wayityhalela ekuwohlokeni kwezoqoqosho. Imali yaseTurkey, i-lira, iyawa ngesantya esirekhodiweyo kwaye oovimba bayo botshintshiselwano lwangaphandle baya behla...Funda ngokugqithisileyo -
China umthombo wemveliso ubonelela ngemichiza emihle: N,N-dimethyl-p-toluidine
Iimveliso ezilungileyo zifuna ilizwi lomlomo Ngoku, inkampani yethu igxile ekusunguleni ezi mveliso ziphezulu zisi-8. Isetyenziswa ikakhulu kumayeza kunye nedayi intermediates, ukuba kufuneka uqhagamshelane nam nangaliphi na ixesha ukufumana elona xabiso. Ewe kunjalo, ukuba umhlobo wakho okanye nabani na omaziyo unemfuno yeemveliso zethu kwaye uncome...Funda ngokugqithisileyo -
Ukunyuka kwamaxabiso ngokwesondo okungalawulekiyo! Amaxabiso emichiza amaninzi athe nkqo!
Ngosuku lokuqala emva kweholide, ixabiso lezinto zemichiza ekrwada linyuke. Abanye abantu bathi, ungakhathazeki, ndifuna ukulinda, Ukulinda ukuza, kuguqulwe amatyeli aliqela ixabiso! Ngokuthandabuzayo ukuya kwikhulu, Kwimarike yanamhlanje yekhemikhali, iTrance ayiyontlekisa, yinyaniso! Ayilawuleki...Funda ngokugqithisileyo -
Umkhwa owomeleleyo kwintengiso yeekhemikhali kulindeleke ukuba uqhubeke! Athena
Ukuvalwa kwezinto ezininzi zokucoca! Ioyile ekrwada inyuka iye kutsho kwinyanga ezili-13 ukuphakama! Njengoko imozulu ebandayo isiya kumazantsi eTexas, lonke ilizwe laseTexas liye lanyanzeliswa ukuba liphumeze ukucima kombane okujikelezayo ukuze kuncitshiswe imfuno kunye nokuphepha “ukucima okuyingozi” okwexesha elide. Ukusasazeka kwe p...Funda ngokugqithisileyo -
Ukukhawuleza kunye nokulawulwa kweedayi ezahlukeneyo ze-textile
. Amalaphu amathandathu ahamba ngokukhawuleza 1. Ukukhawuleza ukukhanya Ukukhawuleza ukukhanya kubhekiselele kwiqondo lokuguga kwamalaphu anemibala ngokukhanya kwelanga. Indlela yokuvavanya inokuba kukukhanya kwelanga okanye ukukhanya komatshini emini. Iqondo lokuphela kwesampulu emva kokuba sesichengeni lithelekiswa nesampulu yombala eqhelekileyo. Kuyi div...Funda ngokugqithisileyo
