Akụkọ ụlọ ọrụ
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Otu ugboro nzikọrịta ozi nke ndị isi ọrụ telecom na mba dị iche iche gburugburu ụwa-2
6. India E nwere isi ọrụ asaa n'India (ewezuga ndị ọrụ mebere), bụ Bharat Sanchar Nigam Limited (BSNL), Bharti Airtel, Mahanagar Telephone Nigam Limited (MTNL), Reliance Communications (RCOM), Reliance Jio Infocomm (Jie), Tata Ọrụ telefon, na Vodaf...GỤKWUO -
Otu ugboro nzikọrịta ozi nke ndị isi ọrụ telecom na mba dị iche iche gburugburu ụwa-1
1. China E nwere isi ọrụ anọ na China, Ha bụ China Mobile, China Unicom, China Telecom, na China Broadcast Network. Enwere eriri ugboro GSM abụọ, ya bụ DCS1800 na GSM900. Enwere eriri ugboro abụọ WCDMA, ya bụ Band 1 na Band 8. Enwere CD abụọ ...GỤKWUO -
United States ga-emejuputa nkwuputa chọrọ maka ihe 329 PFAS
Na Jenụwarị 27, 2023, US Environmental Protection Agency (EPA) tụpụtara mmejuputa iwu Iwu Iji Ọhụụ Ọhụrụ (SNUR) maka ihe PFAS anaghị arụ ọrụ edepụtara n'okpuru Iwu njikwa ihe na-egbu egbu (TSCA). Mgbe ihe fọrọ nke nta ka ọ bụrụ otu afọ mkparịta ụka na ntụle, th...GỤKWUO -
PFAS&CHCC mebere usoro njikwa ọtụtụ na Jenụwarị 1st
N'ịga site na 2023 ruo 2024, ọtụtụ ụkpụrụ na njikwa nke ihe na-egbu egbu na ihe ndị na-emerụ ahụ ka atọrọ ka ọ rụọ ọrụ na Jenụwarị 1, 2024: 1.PFAS 2. HB 3043 Revise the Non Toxic Children's Act Na July 27, 2023, Gọvanọ Oregon kwadoro iwu HB 3043, nke degharịrị…GỤKWUO -
EU ga-enyocha ihe mmachi PFOS na HDBCDD na ụkpụrụ POPs
1.Gịnị bụ POPs? Ijikwa ihe ndị na-emetọ ihe ndị na-emepụta ihe na-adịgide adịgide (POPs) na-enweta nlebara anya na-abawanye ụba. Nkwekọrịta Stockholm na Convention on Persistent Organic Pollutants, bụ nkwekọrịta zuru ụwa ọnụ nke ezubere ichebe ahụike mmadụ na gburugburu ebe obibi pụọ n'ihe egwu nke POPs, nakweere ...GỤKWUO -
E wepụtara American Toy Standard ASTM F963-23 na Ọktọba 13, 2023
Na Ọktoba 13, 2023, American Society for Testing and Materials (ASTM) wepụtara ọkọlọtọ nchekwa ụmụaka ASTM F963-23. Ọkọlọtọ ọhụrụ a tụgharịrị ka ọ nweta ihe egwuregwu ụmụaka, batrị, akụrụngwa anụ ahụ na teknụzụ chọrọ nke ihe mgbasawanye na...GỤKWUO -
E wepụtara mbipụta 8 nke UN38.3
Nzukọ nke iri na otu nke Kọmitii Ọkachamara Mba Ndị Dị n'Otu na Ụgbọ njem nke ngwa dị ize ndụ na usoro nkwekọ zuru ụwa ọnụ nke nhazi ọkwa na akara kemịkalụ (December 9, 2022) gafere mgbanwe ọhụrụ na mbipụta nke asaa edegharịrị (gụnyere Amendme ...GỤKWUO -
TPCH na United States weputara ntuziaka maka PFAS na Phthalates
Na Nọvemba 2023, iwu US TPCH nyere akwụkwọ ntuziaka na PFAS na Phthalates na nkwakọ ngwaahịa. Akwụkwọ ntuziaka a na-enye ndụmọdụ maka ụzọ nnwale maka kemịkalụ na-akwado nkwakọ ihe ndị na-egbu egbu. Na 2021, ụkpụrụ ga-agụnye PFAS na…GỤKWUO -
Na Ọktọba 24, 2023, US FCC wepụtara KDB 680106 D01 maka Nyefee Ike Ikuku Ọhụrụ.
Na Ọktọba 24, 2023, US FCC wepụtara KDB 680106 D01 maka Nyefee ike ikuku. FCC ejikọtala ụkpụrụ nduzi ndị TCB chọrọ n'ime afọ abụọ gara aga, dịka akọwara n'okpuru. Isi mmelite maka chaja ikuku KDB 680106 D01 bụ usoro ndị a…GỤKWUO -
Otu esi enweta akara asambodo CE maka ụlọ ọrụ
1. Ihe ndị chọrọ na usoro maka inweta asambodo CE, ihe fọrọ nke nta ka ọ bụrụ ntuziaka ngwaahịa EU niile na-enye ndị nrụpụta ọtụtụ ụdị nyocha nkwekọ nke CE, ndị nrụpụta nwere ike hazie ọnọdụ ahụ dịka ọnọdụ nke ha si dị wee họrọ nke kacha mma ...GỤKWUO -
Okwu mmalite nke EU CE Asambodo Iwu
Usoro asambodo CE na ntụzịaka ndị a na-ahụkarị: 1. Asambodo CE maka igwe (MD) Ogo nke ntuziaka igwe 2006/42/EC MD gụnyere ma igwe izugbe yana igwe dị ize ndụ. 2. Obere voltaji CE asambodo (LVD) LVD na-emetụta ihe niile moto ngwaahịa ...GỤKWUO -
Kedu oke na mpaghara ntinye nke asambodo CE
1. Oke nke ngwa nke CE asambodo CE asambodo na-emetụta ngwaahịa niile a na-ere n'ime European Union, gụnyere ngwaahịa dị na ụlọ ọrụ dịka igwe, ngwa elektrọn, ngwa elektrọn, ihe egwuregwu ụmụaka, ngwaọrụ ahụike, wdg. Ụkpụrụ na ihe achọrọ maka asambodo CE...GỤKWUO
