1. In variable density thinning, some portions of the stand may not be entered. 2. The "'Variable Density Tunnel "'was a wind tunnel at NASA's Langley Research Center. 3. The sanctuary exists as fragmented patches of variable density forest. 4. Wooden bowls have a variable density throughout their core due to the nature of wood. 5. Another type of thinning is called variable density thinning. 6. It was the world's first variable density wind tunnel that allowed accurate testing with small-scale models. 7. The variable density is normally described in kg per m? where regular concrete is 2400 kg / m? 8. The short is an early sound film, directed by Theodore Case while perfecting his variable density sound-on-film process. 9. :: That's a variable density soundtrack. 10. This " variable density " form of sound was eventually phased out because of its incompatibility with color stocks.
