The dielectric constant and loss increase with increase the content of graphite.
复合材料的介电常数和损耗随着石墨含量的增大而上升。
Wood drying is the most important procedure of wood production. It can guarantee and improve wood quality, reduce degradation loss, increase the utilization ratio of wood.
木材干燥是保障和改善木材品质、减少木材降等损失、提高木材利用率的重要环节。
Leves trench tillage can retain runoff, decrease soil wash and nutrient loss, increase utilization rate of soil water, and further increase crops yield.
水平沟能够显著地拦蓄径流，减少土壤冲刷和养分流失，提高土壤水分利用率，进而提高作物单产。
Conclusions LMF may improve the bone metabolism and bone structure, decrease bone loss, increase bone biomechanical properties and reduce the risk of fracture.
结论低频磁场可改善大鼠因去负荷引起的骨代谢和骨结构异常，减少骨丢失，提高骨生物力学性能，降低骨折危险度。
Conclusions LMF may improve the bone metabolism and bone structure, decrease bone loss, increase bone biomechanical properties and reduce the risk of fracture.
结论低频磁场可改善大鼠因去负荷引起的骨代谢和骨结构异常，减少骨丢失，提高骨生物力学性能，降低骨折危险度。
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