unburned

adj.

未燃的；

1. A sun-dried, unburned brick of clay and straw.
   风干土坯风干且未烧过的粘土与稻草做成的砖
2. A device for burning or chemically altering unburned or partially burned carbon compounds in exhaust gases.
   排气后燃器用以充分燃烧或从化学上改变废气中未完全燃烧或部分燃烧的含碳化合物的设备

Woody plant invasion of unburned Kansas bluestem prairie.
Recruitment of Seedlings and Vegetative Sprouts in Unburned Chaparral
Importance of Unburned Coal Carbon, Black Carbon, and Amorphous Organic Carbon to Phenanthrene Sorption in Sediments
Twenty years of vegetation change in five long‐unburned Florida plant communities
Comparison of soil infiltration rates in burned and unburned mountainous watersheds
Comparison of soil infiltration rates in burned and unburned mountainous watersheds
Strong sorption of native PAHs to pyrogenic and unburned carbonaceous geosorbents in sediments.
Restoring Fire to Long-Unburned Pinus palustris Ecosystems: Novel Fire Effects and Consequences for Long-Unburned Ecosystems
Avian Nest Box Selection and Nest Success in Burned and Unburned Southwestern Riparian Forest
Up in smoke: II. Germination of Nicotiana attenuata in response to smoke-derived cues and nutrients in burned and unburned soils