China Spot Market - Rare Earth Magnet Materials Daily quote, Just for Reference!
▌Musika Snapshot
Pr-Nd Alloy
- Current Range: 543,000 - 547,000
- Price Trend: Yakatsiga nekuchinjika kwakamanikana
Dy-Fe Alloy
- Current Range: 1,630,000 - 1,650,000
- Price Trend: Kudiwa kwakasimba kunotsigira kukwira kumusoro
Superconducting Magnets muMRI: Precision & Innovation (598 chars)
Mazuva ano maMRI scanners anovimba ne niobium-titanium (NbTi) superconducting coils yakatonhodzwa neruzha helium kugadzira 1.5-7T minda. Kufambira mberi kwakakosha:
- Munda homogeneity: Anoshanda shimming macoil akarurama ≤0.5ppm kutsauka uchishandisa chaiyo-nguva B₀ mepu (TR=2ms)
- Kudzima manejimendi: Multi-stage pressure relief valves inobvisa 15MJ simba mu 0.3s panguva yekutadza kwecoil
- Cryogenics: Yakavharwa-kutenderera cryocoolers inochengetedza 4.2K iine <10⁻⁶ W/㎡ yekupisa kudonha
Performance benchmarks:
- Nb₃Sn coils: Wana 21T @ 15K (Brookhaven Lab 2024), ichigonesa Ultra-yakakwirira-munda MRI
- Zero-boiloff masisitimu: Chengetedza 1500L helium kwe10+ makore kuburikidza nemagineti firiji (NASA-yakatorwa tech)
- Kufungidzira kunofambiswa neAI: Kudzidza kwakadzama kunovaka patsva 0.5mm切片图像 kubva pa50% data raw (缩短扫描时间42%)
Indasitiri kesi: Siemens' 7T Terra system inoderedza acoustic noise kusvika 85dB (vs. 110dB常规MRI) kuburikidza nekukanzura kwakasimba kwekudedera, kuwedzera kunyaradza kwevarwere.
Nguva yekutumira: Mar-18-2025
