leadless

基本解释

In the paper, the leadless POM composites were developed with powder of stannum instead of lead.
本项研究采用无毒的锡粉代替铅粉研制出新型的无铅POM复合材料。
The results will enable the leadless gasoline to be produced in series and then bring a remarkable profit for the refinery.
本研究结果可使华北石油管理局第一炼油厂汽油产品实现无铅化、系列化，显著提高经济效益。
It is similar to Dr Echt’s leadless pacemaker, but it uses electromagnetic induction, rather than ultrasound, to stimulate a small implanted receiver, which in turn stimulates the heart.
他的方法与Dr Echt有些类似，但他没有用超声波而是利用电磁感应效应来刺激植入的小型接受器，接受器再刺激心脏。

Meanwhile Heinrich Wieneke, an assistant professor of cardiology at the West German Heart Centre in Essen, is working on another leadless approach.
ECONOMIST: Case history
It is similar to Dr Echt's leadless pacemaker, but it uses electromagnetic induction, rather than ultrasound, to stimulate a small implanted receiver, which in turn stimulates the heart.
ECONOMIST: Case history