施加到导电薄膜上的电流脉冲将调制器段及其内部的固定相加热，释放出作为浓度脉冲的保留物质。
An electrical current pulse applied to a thin conductive film heats the modulator section and the stationary phase within it, releasing a certain number of retained substances as concentration pulses.
但是雌禽通过排出它认为社会地位低下雄禽的遗传物质，设法保留了对父亲身份的控制。
But by removing the genetic material of males they consider socially inferior, the hens have managed to retain control of paternity.
不同于普通的技术，它能够将蒸馏出的物质保持在足够低的温度，将通常会消失的易挥发材料保留下来。
unlike a regular still, it keeps the distillate at a low enough temperature to retain the volatile components that ordinarily disappear.
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