| 摘要 |
<p>This element comprises granules 1 formed from at least one crystal of a superconducting substance such as YBa2Cu3O7- delta having a preferred axis P, which are joined together by metallic joints, for example joints made from silver, and assembled together in order to form a row extending along the direction D with the preferred axes P of the crystals making substantially the same angle with the direction D. <IMAGE></p> |
