It grows well in Ashby nitrogen-free culture medium, thus having broad prospects for use.
该菌株在阿须贝无氮培养基上生长良好，具有良好的应用前景。
2
Seventy percent of our carbon-free, sulfur-free, nitrogen-free, mercury-free electricity comes from nuclear plants.
我们所有不排放二氧化碳，不排放硫化物，不排放氮，不排放铅的电力，其中有百分之是七十来自核能发电。
3
In the nitrogen-free Pot experiment, the nodulating competitive ability of the parental and marked strains and their nitrogen fixing efficiency were tested.