接种后用石蜡膜密封培养皿。

Use parafilm to seal the petri dish after inoculation.

实验室技术员在实验前对培养皿进行了消毒。

The lab technician performed sterilization on the petri dishes before the experiment.

从每组试验中，吸取几滴过滤后的水分散地滴在培养皿上，然后观察平皿上有什么会出现。

A few drops of the filtered water from each experimental run were then scattered on an incubation plate to see what was left to grow.

接着，科学家们将这些眼妆加入人体细胞的培养皿。

They then applied the substances to a culture of human cells.

研究者们首先在含有癌细胞的培养皿中进行了实验。

The researchers first tested the drug in culture dishes containing cancer cells.

参赛细胞将被注射进一个培养皿中，在这些培养皿中事先已经被用这些细胞喜欢粘附的化学物质标记出了比赛跑道。

There, the cells will be injected onto plates striped with tracks of a chemical they like to adhere to.

没什么能留在30万人的培养皿里。

None of these things can remain in a 300, 000-person Petri dish.

所以现在，我们首次可以在培养皿中培养非常接近的神经元。

So now for the first time we can grow in a dish the neurons that are very closely related.

为什么我要这么做? 我们观察培养皿中的细胞，它们都分布在培养基的表面。

Why do I do this? We observe the cells in a plate, and they're just on the surface.

采用了大体积溶液培养法、培养皿快速鉴定法和小盆钵土培筛选法对小麦基因型进行了耐铝性筛选。

Large-volume solution culture, rapid screening with soil in petri dishes and small-pot soil test were used to screen for aluminum tolerance on wheat.