N one billionth (10–9) of a gram 纳克 ( symbol: ng)
As part of the 2007 RoboCup in Atlanta, Georgia, a new fleet of bots debuted in the Nanogram Demonstration competition in July.
今年7月，在佐治亚州亚特兰大市举行的“2007机器人足球世界杯”毫微克演示比赛中，一支由机器人组成的新球队首次亮相。
A transport and delivery system for nanogram quantities of molecular species that does not use microfluidic channels, pumps, or valves is described.
本文介绍了一种不需要微流体通道、泵或瓣膜的纳克量分子运输和递药系统。
It presents a simple method was presented for the separation and preparation of insect pheromones at the nanogram level by using gas chromatography (GC).
报道一个用于昆虫外激素研究的简单快速气相色谱分析制备方法。
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