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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 stability 水稳性
- 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 relationships between water stability of black soil aggregates in Northeast China and organic matter,nu-(trient) status,management pattern were summarized,and the development trend in this field is put forward. 阐述了东北黑土团聚体水稳定性与有机质养分状况以及经营利用方式的关系研究进展,并指出今后研究的发展趋向。
- 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。
- 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。
- Tests show that clay in fine aggregate affected the water stability of asphalt mixture markedly; the permeable critical air void is 7.5? 试验表明;集料泥土污染对沥青混合料水稳性影响显著;沥青混合料的渗水临界空隙率为7.;5%25。
- 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。
- The test results indicate that clay dosage and plasticity index influence the water stability of asphalt mixture significantly. 试验结果表明:细集料中泥土质量分数与泥土塑性指数对沥青混合料水稳定性影响显著;
- The threshold value of clay dosage of fine aggregate is 2%. If the clay dosage exceeds 2%,it will affect the water stability of asphalt mixture. 细集料泥土质量分数的临界值为2%25,当超过2%25时会明显降低混合料的抗水损害能力;
- This paper studies the fiber asphalt mixture capability through a series of the capability experiments, such as high and low temperature stability, water stability. 摘要通过对纤维沥青混合料的一系列性能试验,研究了纤维沥青混合料的高、低温性能和水稳定性。
- The objective of this study is to investigate the influence of clay contaminated aggregate on water stability of asphalt mixture on the basis of a freeze-thaw split test. 通过水稳定性试验;研究细集料泥土含量对沥青混合料水稳定性的影响.
- 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。
- Using different anti stripping agents can improve the adhesion between aggregate and asphalt , but different anti stripping agents have different influence on water stability. 采用不同的抗剥落剂可以提高集料和沥青之间的粘附性,但不同抗剥落剂对沥青混合料的水稳定性有不同的影响。
- The scale inhibitor performance of PMAM water stabilizer is evaluated. 评定了PMAM水质稳定剂的阻垢、缓蚀性能。
- 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。