Wararka
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Kooxda Metals ee Precious waxay si guul leh u marti galiyeen 2023 ee Warshada Hormuudka ah ee Barnaamijka Tababarka Sare ee Gobolka Yunnan.
Dhawaan, "Koorsada Tababarka Sare ee Hogaaminta Hibada ee Gobolka Yunnan ee 2023" ayaa si guul leh loogu qabtay Hangzhou, oo ay martigelisay Waaxda Khayraadka Dadweynaha iyo Badbaadada Bulshada ee Gobolka Yunnan ayna martigelisay Kooxda Metals Precious. Xafladda furitaanka, Human Res...Sii akhri -
Isticmaalka badan ee garaafka
Graphite waa macdan aad caadi u ah oo leh waxyaabo badan oo gaar ah oo jireed iyo kiimiko, taasoo ka dhigaysa in si weyn looga isticmaalo meelo badan. Maqaalkani wuxuu soo bandhigi doonaa isticmaalka kala duwan ee garaafka. 1. Codsiga graphite ee qalin qorida Graphite waxaa loo isticmaalaa sida qaybta ugu muhiimsan ee qalin qalimaan. Jilicsanaanta a...Sii akhri -
Dao Fu Global: Dahabku wali wuxuu leeyahay dardar ku filan si uu u gaadho meel sare oo taariikhi ah 2024
Istiraatijiyadda suuqa ayaa sheegay in calaamada ka timaadda kaydka federaalka ee ah in heerka dulsaarka la dhimi doono 2024 ay abuurtay xoogaa caafimaad qaba suuqa dahabka, taas oo u horseedi doonta in qiimaha dahabku gaadho heerar taariikhi ah sanadka cusub. George Milling Stanley, madaxa Istaraatiijiyadda Dahabka ee Dow Jones ...Sii akhri -
Waa maxay noocyada mashiinnada wax lagu shubo
1, Horudhac Mashiinka shubka A waa qalab loo isticmaalo wax soo saarka biraha ee wax soo saarka warshadaha. Waxay ku duri kartaa birta dhalaalaysa caaryada waxayna ku heli kartaa qaabka shubista ee la doonayo iyada oo loo marayo hababka qaboojinta iyo adkeynta. In habka horumarinta ee mashiinada tuurista, kala duwan ...Sii akhri -
Suuqyada biraha qaaliga ah ayaa kala duwanaaday
Toddobaadkii hore (Noofambar 20 ilaa 24), isbeddelka qiimaha biraha qaaliga ah ee kala duwan, oo ay ku jiraan dhibcaha lacagta ah iyo qiimaha platinum-ka ayaa sii waday inay kor u kacdo, iyo qiimaha palladium wuxuu ku wareegay heer hoose. Marka la eego xogta dhaqaalaha, index-ka horudhaca wax-soo-saarka maareeyayaasha wax iibsiga ee Maraykanka (PMI)...Sii akhri -
Habka kala-soocidda ee qalabka farsamaynta dahabka
Waxa loo qaybin karaa: 1. Lagu kala soocay shaqada (1) Mashiinnada wax lagu shiidayo - qalabka loo isticmaalo sifaynta iyo xardhidda dhagaxyada dhagaxa. (2) Mashiinka goynta cirifka - qalab loo isticmaalo in lagu gooyo cidhifyada dhagaxyada. (3) Qalabka wax lagu dhejiyo - mashiinka loo isticmaalo in lagu geliyo dheeman iyo dhagaxyo kale oo midab leh ...Sii akhri -
Waa maxay qalabka wax lagu qurxiyo ee la heli karo?
(1) Mashiinnada polishing: oo ay ku jiraan noocyada kala duwan ee shiidi mishiinnada polishing wheel iyo saxan polishing mishiinada electroplating. (2) Mashiinnada nadiifinta (sida ciid-qarxinta): ku qalabaysan nadiifiyaha ultrasonic; Nadiifinta socodka hawada jet, iwm. (3) Mashiinada qalajinta: Inta badan waxaa jira laba ...Sii akhri -
Farqiga udhaxeeya been-abuurista iyo shubista?
Forging waa habka loo farsameeyo birta daawaha yar yar (billets) ee qaybo qallafsan oo leh qaab iyo cabbir gaar ah iyadoo la adeegsanayo habab ay ka mid yihiin dhalaalidda birta, duubista, ama duubista. Kabadhisku waa erey guud oo loogu talagalay qalabka shaqada lagu shubo iyadoo la isticmaalayo caaryada ciidda ama habab kale; Waa badeecad inta badan laga sameeyay noocyo kala duwan...Sii akhri -
Waa maxay faraqa u dhexeeya Zuojin 999 iyo Zuojin 9999?
Zujin 999 iyo Zujin 9999 waa laba qalab oo dahab nadiif ah oo kala duwan. Farqiga u dhexeeya ayaa ku jira daahirnimada dahabka. 1. Zujin 999: Zujin 999 waxa ay tilmaamaysaa daahirnimada alaabta dahabka ah ee gaadhay 99.9% (sidoo kale loo yaqaan 999 qaybood kunkiiba). Tani waxay ka dhigan tahay in alaabta dahabka ah ay ka kooban tahay wax aad u yar ...Sii akhri -
Dahabka Hongkong iyo bandhigga jawharad
2023 Hong Kong Jewelery Gem Fair, oo ay soo qabanqaabiyeen Kooxda Bandhiga Infirman, ayaa la qaban doonaa laba jeer sannadkii 16 Sebtembar 2022, bandhigga waxaa lagu qaban doonaa Xarunta Shirarka iyo Bandhigga Hong Kong, 1 Expo Drive, Wan Chai, Taiwan, Shiinaha. Aagga bandhigga ayaa la filayaa inuu gaaro 135,000 oo laba jibaaran ...Sii akhri -
Biraha iyo warshadaha qalabka biraha cusub: Sii wad inaad eegto dahabka
Biraha Saldhigga: Goynta RRR ee gudaha waxay kordhisaa kalsoonida, iyo qiimaha biraha saldhigga ah ayaa la filayaa inay kor u kacdo. Sida laga soo xigtay Wind, laga bilaabo Sebtembar 11 ilaa Sebtembar 15, LME copper, aluminium, lead, zinc, qiimaha daasadaha ayaa isbeddelay 2.17%, 0.69%, 1.71%, 3.07%, 1.45%. Dibadda, sida ay sheegtay Wind, Mareykanka...Sii akhri -
Waa maxay hababka soo saarista Dahabka
1. Kala soocida nitric acid si loo soo saaro dahabka kala soocida nitric acid waa la isticmaali karaa, nitric acid oo la isku ururiyey oo la gashado, baahida loo qabo in dahab laga soo saaro birta oo lagu dhejiyo. Beaker-ka ayaa markaa la dul dhigayaa weel qaade oo lagu kululeeyo laambad alkohol ah si uu u soo saaro dahab jilicsan. 2. Aqua reg...Sii akhri
