Tuam Tshoj Spot Market - Tsis tshua muaj Lub Ntiaj Teb Magnet Cov Khoom Siv Txhua Hnub, Tsuas yog siv rau!
▌ Market Snapshot
Pr-Nd alloy
- Ntau yam tam sim no: 543,000 – 547,000
- Nqe Trend: Steady nrog nqaim fluctuations
Dy-Fe Alloy
- Ntau yam tam sim no: 1,630,000 – 1,650,000
- Nqe Trend: Cov kev thov ruaj khov txhawb kev nce siab
Superconducting Magnets hauv MRI: Precision & Innovation (598 chars)
Niaj hnub nimno MRI scanners cia siab rau niobium-titanium (NbTi) superconducting coils txias los ntawm cov kua helium los tsim 1.5-7T teb. Kev nce qib tseem ceeb:
- Teb homogeneity: Active shimming coils raug ≤0.5ppm sib txawv siv lub sijhawm B₀ daim ntawv qhia (TR = 2ms)
- Quench tswj: Multi-theem siab nyem li qub dissipate 15MJ lub zog hauv 0.3s thaum lub caij coil tsis ua haujlwm
- Cryogenics: Kaw-cycle cryocoolers tuav 4.2K nrog <10⁻⁶ W / ㎡ thermal to
Kev ntsuas kev ua tau zoo:
- Nb₃Sn coils: Achieve 21T @ 15K (Brookhaven Lab 2024), enabling ultra-high-field MRI
- Zero-boiloff systems: Khaws 1500L helium rau 10+ xyoo ntawm kev sib nqus tub yees (NASA-derived tech)
- AI-tsav imaging: Kev kawm sib sib zog nqus reconstructs 0.5 hli 切片图像 los ntawm 50% raw cov ntaub ntawv (缩短扫描时间42%)
Kev lag luam rooj plaub: Siemens '7T Terra system txo cov suab nrov rau 85dB (vs. 110dB常规MRI) los ntawm kev tshem tawm kev vibration, ua kom cov neeg mob kev nplij siab.
Lub sij hawm xa tuaj: Mar-18-2025
