Mar. 28, 2025 — Scientists have long sought to unravel the mysteries of strange metals -- materials that defy conventional rules of electricity and magnetism. Now, a team of physicists has made ...

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Magnetic materials are materials studied and used mainly for their magnetic properties. The magnetic response of a materials is largely determined by the magnetic dipole moment associated with the ...

一、J61W、J61Y高温高压针型阀产品特性: J61Y-320P-2 DN10 ø14 100 96 78 J61Y-320P-3 DN15 ø16 102 108 78 J61Y-320P-4 DN20 ø20 128 117 100 ...

Q11F二片式球阀阀体铸造采用中国台湾引进的工艺，结构合理、造型美观。阀座采用弹性密封结构，密封可靠，启闭轻松。 阀杆采用有倒密封的下装式结构，阀腔异常升压时，阀杆不会被冲出。二片式、三片式球阀连接形式另有对焊（BW）承插焊（SW）,并均可带 ...

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