The first test they did was with a virus dose of one nanogram. 他们做先将1纳克剂量的病毒做为实验的第一步。
After magnetite incorporation, the porous microparticle is still empty enough to accommodate nanogram quantities of a molecular payload; 结合有磁铁矿的多孔微粒仍然具有足够的空间负载纳克量的分子;
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。
The QCM sensor is a mass testing device in the level of nanogram. QCM传感器是一种可以检测微小质量(纳克级)变化的仪器。
Silver staining for detection of nanogram amounts of proteins and nucleic acids in gels 凝胶中痕量蛋白质和核酸的银染色法