free lime

基本解释

These shrubs must have an acid, lime-free soil.
这些灌木必须要有酸性、无石灰的土壤。
A process of sheepskin leather in beamhouse was investigated, which studied sulfides and sulfide-free unhairing, liming and lime-free swelling.
将无灰无硫化碱脱毛浸灰试验工艺同传统石灰硫化碱脱毛浸灰工艺在绵羊皮上的应用进行了对比。
The test results indicate that: 1) Compared with unmodified soils, the free swelling ratio, plastic index and clay fraction of fly ash-treated soils and Lime-treated soils decrease obviously.
试验结果表明：1）相比于未改性土，粉煤灰改性土和石灰改性土自由膨胀率、塑性指数、胶粒含量都显著降低；

Sierra Mist, a new caffeine-free lemon-lime soda that competes with Coca-Cola's Sprite and Cadbury Schweppes' 7up, doesn't exactly make soda into a nutritional beverage, but it blunts one long-standing criticism of Mountain Dew and cola drinks: that they use caffeine as a hook.
FORBES: Pepsi's New Challenge

游离氧化钙
The influence of secondary free lime on soundness and strength of cement have been studied.
考察了二次游离氧化钙对水泥安定性和强度的影响。
材料科学
游离石灰