-
Ikamva lemigodi enqabileyo yomhlaba ngokuzinzileyo ngokuzinzileyo
Umthombo: U-Azo Mining Yintoni eyona nto inqabileyo somhlaba kwaye bafunyanwa phi? Rare earth elements (REEs) comprise 17 metallic elements, made up of 15 lanthanides on the periodic table: Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Th...Funda ngokugqithisileyo -
Njengoxinzelelo oluphakathi kweUkraine naseRussia luyaqhubeka, ixabiso leentsimbi zomhlaba ezinqabileyo ziya kunyuka.
Njengoxinzelelo oluphakathi kweUkraine naseRussia luyaqhubeka, ixabiso leentsimbi zomhlaba ezinqabileyo ziya kunyuka. IsiNgesi: I-Abhizer Shahhmahmahmud, imarike yexesha elizayo ngelixa inkxwaleko ye-chain ebangelwa yiCovid-19 ibuyile, uluntu lwamazwe aphesheya aluzange lubuyekezwe, uluntu lwamazwe aphesheya luye lwaya kwimfazwe yase-Russia ...Funda ngokugqithisileyo -
I-DARD YOLAND LWEZOBUCHULE
I-magnesium alloy ineempawu zobunzima bokukhanya, ukuqina okukodwa, ukutshixiza okuphezulu, kunye nokuncitshiswa kwe-racking, akukho nto isetyenzisiweyo, enokusetyenziselwa ukuphuculwa kwezinto ezinzileyo ...Funda ngokugqithisileyo -
I-4-Pakisha ngaphandle izibane zelanga zelanga $ 38 (i-reg. $ 75), ngaphezulu
Kwisiseko sobuchule bokuzimela esizimeleyo, ubuchwephesha obuzimeleyo busebenza ngokusondeleleneyo neeyunivesithi zophando kunye nezenzululwazi ukwazisa itekhnoloji yolawulo lwentshukumo ehamba phesheya kwi phesheya kwaye uqhubeke ngokuqhubekayo ...Funda ngokugqithisileyo