Xov Xwm Tuam Txhab
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Kev sib txuas lus ntau zaus ntawm cov tswv lag luam loj hauv ntau lub teb chaws thoob ntiaj teb-2
6. Is Nrias teb Muaj xya tus tswv lag luam loj hauv Is Nrias teb (tsis suav cov neeg ua haujlwm virtual), uas yog Bharat Sanchar Nigam Limited (BSNL), Bharti Airtel, Mahanagar Xov tooj Nigam Limited (MTNL), Kev Sib Txuas Lus (RCOM), Kev Ntseeg Jio Infocomm (Jie), Tata Teleservices, thiab Vodaf ...Nyeem ntxiv -
Kev sib txuas lus ntau zaus ntawm cov tswv lag luam loj hauv ntau lub teb chaws thoob ntiaj teb-1
1. Suav teb muaj plaub tus neeg ua haujlwm tseem ceeb hauv Suav teb, Lawv yog Tuam Tshoj Mobile, China Unicom, China Telecom, thiab Tuam Tshoj Tshaj Tawm Network. Muaj ob lub GSM zaus bands, uas yog DCS1800 thiab GSM900. Muaj ob lub WCDMA zaus band, uas yog Band 1 thiab Band 8. Muaj ob CD ...Nyeem ntxiv -
Tebchaws Meskas yuav siv cov lus tshaj tawm ntxiv rau 329 PFAS cov khoom
Thaum Lub Ib Hlis 27, 2023, US Environmental Protection Agency (EPA) tau tshaj tawm txoj kev siv Txoj Cai Siv Tshiab Tseem Ceeb (SNUR) rau cov tshuaj PFAS uas tsis muaj npe nyob rau hauv Txoj Cai Tswj Tshuaj Toxic (TSCA). Tom qab ze li ib xyoos ntawm kev sib tham thiab kev sib tham, th ...Nyeem ntxiv -
PFAS&CHCC tau siv ntau yam kev tswj xyuas thaum Lub Ib Hlis 1st
Txav los ntawm 2023 mus rau 2024, ntau txoj cai ntawm kev tswj cov tshuaj lom neeg thiab cov teeb meem raug teeb tsa rau lub Ib Hlis 1, 2024: 1.PFAS 2. HB 3043 Hloov Kho Txoj Cai Tsis Zoo Rau Cov Menyuam Yaus Lub Xya Hli 27, 2023, Tus Thawj Kav Tebchaws ntawm Oregon pom zoo HB 3043 Txoj Cai, uas hloov kho ...Nyeem ntxiv -
EU yuav hloov kho PFOS thiab HBCDD cov cai txwv hauv POPs cov cai
1.POPs yog dab tsi? Kev tswj xyuas cov pa phem tsis tu ncua (POPs) tau txais kev saib xyuas ntau ntxiv. Stockholm Convention on Persistent Organic Pollutants, ib lub rooj sib tham thoob ntiaj teb tsom los tiv thaiv tib neeg kev noj qab haus huv thiab ib puag ncig los ntawm kev phom sij ntawm POPs, tau txais yuav ...Nyeem ntxiv -
American Toy Standard ASTM F963-23 tau tshaj tawm thaum Lub Kaum Hli 13, 2023
Thaum Lub Kaum Hli 13, 2023, American Society for Testing and Materials (ASTM) tau tshaj tawm cov qauv kev nyab xeeb khoom ua si ASTM F963-23. Tus txheej txheem tshiab tsuas yog hloov kho qhov nkag mus tau ntawm cov khoom ua si suab, roj teeb, cov khoom siv lub cev thiab cov kev xav tau ntawm cov ntaub ntawv nthuav dav thiab ...Nyeem ntxiv -
UN38.3 8th tsab tawm
Lub 11 xyoos kev sib tham ntawm pawg neeg saib xyuas ntawm kev thauj khoom ntawm cov khoom siv phom sij thiab cov cim kev hloov kho ntawm cov hloov kho tshiab rau cov ntawv kho xya (suav nrog hloov kho ...Nyeem ntxiv -
TPCH hauv Tebchaws Meskas tau tshaj tawm cov lus qhia rau PFAS thiab Phthalates
Thaum Lub Kaum Ib Hlis 2023, US TPCH txoj cai tau tshaj tawm cov ntaub ntawv qhia txog PFAS thiab Phthalates hauv ntim. Cov ntaub ntawv qhia no muab cov lus pom zoo txog kev sim tshuaj rau cov tshuaj uas ua raws li kev ntim tshuaj lom. Hauv 2021, cov kev cai yuav suav nrog PFAS ...Nyeem ntxiv -
Thaum Lub Kaum Hli 24, 2023, US FCC tau tshaj tawm KDB 680106 D01 rau Wireless Power Transfer Requirements tshiab
Thaum Lub Kaum Hli 24, 2023, US FCC tau tso KDB 680106 D01 rau Wireless Power Transfer. FCC tau koom ua ke cov kev taw qhia uas xav tau los ntawm TCB Rhiav hauv ob xyoos dhau los, raws li cov lus qhia hauv qab no. Qhov hloov tshiab tseem ceeb rau kev them nyiaj wireless KDB 680106 D01 yog raws li ...Nyeem ntxiv -
Yuav ua li cas kom tau txais daim ntawv pov thawj CE rau cov lag luam
1. Cov kev xav tau thiab cov txheej txheem kom tau txais daim ntawv pov thawj CE Yuav luag tag nrho EU cov lus qhia cov khoom lag luam muab cov chaw tsim khoom nrog ntau hom kev ntsuas CE, thiab cov tuam ntxhab tuaj yeem hloov kho hom raws li lawv tus kheej qhov xwm txheej thiab xaiv qhov tsim nyog tshaj plaws ...Nyeem ntxiv -
Taw qhia rau EU CE Certification Regulations
Cov kev cai CE daim ntawv pov thawj thiab cov lus qhia: 1. Mechanical CE certification (MD) Lub Scope ntawm 2006/42/EC MD Machinery Directive muaj xws li ob qho tag nrho cov tshuab thiab cov khoom siv phom sij. 2. Tsawg voltage CE daim ntawv pov thawj (LVD) LVD yog muaj feem xyuam rau tag nrho cov motor produc...Nyeem ntxiv -
Dab tsi yog thaj tsam thiab cheeb tsam ntawm kev thov daim ntawv pov thawj CE
1. Scope ntawm daim ntawv pov thawj CE daim ntawv pov thawj siv tau rau txhua yam khoom muag hauv European Union, suav nrog cov khoom lag luam hauv kev lag luam xws li tshuab, hluav taws xob, hluav taws xob, khoom ua si, khoom siv kho mob, thiab lwm yam Cov qauv thiab cov kev cai rau CE daim ntawv pov thawj ...Nyeem ntxiv
