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- biological fixation nitrogen 生物固氮作用
- Abstract: Objective To observe the effect of biological fixation of femoral stem prosthesis with multilayer macropores coating by combined use ofautologous bone grafting. 文章摘要: 目的 观察股骨柄假体表层改为多层粗大孔隙结构联合自体植骨的生物学固定效果。
- Conclusion Intensity of biological fixation can be strengthened remarkably by using femoral stem prothesis with multilayer macropores coating by combined use of autologous bone grafting. 结论 将股骨柄假体表层制成多层粗大孔隙结构联合自体植骨能显著加强生物学固定强度。
- Acative and quantity of Biological Fixation of Nitrogen in the Rice Field in Northern-Chian 北方水稻田生物固氮活性及固氮量
- Biological fixation for diaphysis of long bone 长骨干骨折的生物学固定
- Nodule bacteria are very good at biological nitrogen fixation. 根瘤菌是生物固氮的能手。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- He has a fixation on older women. 他对于年长的女人有病态的依恋。
- Experimental study on the biological fixation of a new non-stem hip prothesis 新型无柄人工髋关节生物固定的实验研究
- Some biological molecules have the form of a helix. 有些生物分子呈螺旋状。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- The school has a large biological laboratory. 这所学校有一个很大的生物实验室。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- Effect of the Level of Soil Fertility on Biologic Fixation of Nitrogen Fertilizer 土壤肥力水平对肥料氮生物固定的影响
- Nitrogen fixation trees of Leguminosae and non-Leguminosae are important biological nitrogen fixation resources. 摘要豆科及非豆科固氮树种是重要的生物固N资源。
- Dinitrogenase The enzyme that catalyzes NITROGEN FIXATION. 固氮酶：能催化固氮反应的酶。
- Among the blue-green algae are many species of nitrogen fixation. 许多种蓝藻有固氮的能力。
- Mycorhizae perform the function of nitrogen fixation and storage. 菌根起着固氮和贮氮的作用。
- Treatment of Severe Open Fractures of Inferior Segments of Tibia and Fibula with Biological Fixation 生物固定技术治疗胫腓骨下段严重开放骨折
