All these voucher specimens are preserved in the Herbarium, Henan Agricultural University (HNAC).
文中引证的标本均存河南农业大学植物标本室(HNAC)。
The nonlinear space charge effect of bunched beam in Hnac is one of the important reasons that induces the emittance growth because of the conversion of the field energy to kinetic energy.
直线加速器中电荷束团的非线性效应是导致束流发射度增长的一个重要原因。
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