An electronic stopping crosssection formula for heavy ions at low yelocity is obtained within the uniform free electron gass model and perturbation limit.
在均匀电子气模型和微扰极限成立的条件下，给出了低迷离子在固体中的电子阻止截面公式。
2
Now, a relatively complete manufacturing system of electronics has been established to provide large amounts of electronic installations and a cross-section of electronic products.