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- Soil water not available for absorption by plants. 无效水植物不能吸取的土壤水
- soil water conductivity 导水率
- In the aspect of soil water conducting capability, the absorbant was most effective to loessial soil, and the saturated hydraulic conductivity increased with the increase of dosage of the absorbant; 但在土壤导水方面,黄绵土的改善效果最明显,饱和导水率随保水剂用量的增多而增大;
- An increase in soil water content would decrease their movement. 土壤水分含量的增加将减低它们的移动。
- Soil water erosion is a complex physicochemical process. 土壤水蚀是一个复杂的物理化学过程。
- The soil water stress leads to the increase in stoma density. 水分胁迫使气孔密度增加;
- The relationship between the wet flashover voltage and the precipitation or the water conductivity was congruous with the power function relation. 淋雨量、雨水电导率大小对支柱绝缘子的污雨闪电压影响也较大,且均符合幂函数关系。
- Spatial variability of soil water retention curves on a forested hill-slope. 森林流域坡面林地土壤水分运动特征参数空间异质性研究。
- The flashover voltage of three types EHV DC insulators (XZP-160, LXZP-210, XZWP-160) are related power function with the atmospheric pressure and freezing water conductivity. XZP-160、LXZP-210和XZWP-160绝缘子的覆冰闪络电压与气压、覆冰水电导率等呈幂函数关系。
- But high-output and high-efficiency is the conditions of managing soil water. 而把高产高效水作为指导当地林业生产的土壤水分管理条件。
- The value of Q10 of soil respiration increased with soil water content. 土壤水分含量的增加可增加土壤呼吸的Q10。
- The soil water and salt transport were studied under 3 crop planting condition. 对3种作物种植条件下土壤水盐运移规律进行了研究。
- Base on abstergent opportune problem of the summer homework launch machine cooling system,it puts forward a project to measure cooling water conductivity rate to estimate degree of scale produce. 针对夏季作业发动机冷却系统保养除垢时机问题,提出通过测量冷却水电导率来估计水垢产生程度的设计方案。
- The conductivity of water is about 25 times that of air, i. E. Water conducts heat 25 times faster than air. 水的导热能力比空气大25倍,即是水传热的速度快空气25倍。
- The abstraction of elements from soil water by plant roots can have a marked effect on chemical reaction rates. 植物根系从土壤水中摄取养分元素能对化学反应速率产生显著的影响。
- Water deficit is influenced by the level of soil water potential at the root surface. 水分亏缺是受根系表面土壤水势高低影响的。
- On the basis of the isograms, we analyzed the variation law of yield and grain protein content with soil water content, nitrogen and P2O5,. 用等值线图描述产量和蛋白质含量的水氮和氮磷两因素效应,分析产量和蛋白质含量变化规律及其关系,确定实现一定生产目标的水肥管理方案。
- A Study of Effects of the Concrete Mulch on Movement of Soil Water and Soil Heat Transfer. 硬覆盖对土壤水热传输及作物生长发育影响的试验研究。
- Relationship between soil water content and water use efficiency of apple leaves. 土壤含水量与苹果叶片水分利用效率的关系。
- The soil water and nutrient relationships are closely interrelated and should be examined together. 土壤水分和养分是紧密联系的,应当一起研究。