针间距

结论两电极针间距在3cm以内时，在一定条件下新型盐水增强双极射频消融形成规则的消融灶。

Conclusions When the distance between the two electrodes is within 3 cm , the ablation zone is regular .

方法选用健康的普通犬6只，常规外科程序开腹，在肝左叶平行插入两根钢针，针间距1.5cm，参考点距放射源中轴外1cm；

Methods Six dogs received routine surgical procedure . Two steel needles were implanted in parallel into the left lobe . The length was 1.5 cm and reference distance 1 cm apart from the source .

为了能够满足产品小型化的要求，能够降低引脚针间距的芯片规模封装和倒装芯片技术，将永无止境地向前发展，精确贴装的能力将继续是一个非常重要的因素。

The capability for accurate placement will continue to be important as chip scale packages and flip chip technology reduce pin pitches even further in the unending race for product miniaturization .

固定静脉输液针时输液贴间距及方法的探讨

Probe into distance between adhesive pastes and methods of fixing intravenous infusion needle

在本文所选的4针翅管的4个影响因素中，以各组总换热系数K作为考查指标分析，其中针翅间距s是最为敏感的。

From the perspective of the total heat transfer coefficient , pin fin portrait distance among of four factors is the most sensitive .