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- soil structural quality 土壤结构质量
- The deterioration of soil structure is difficult to remedy. 土壤结构的恶化很难挽回。
- Using XTEM, REM and PL, the effect of structural quality on the optoelectronic properties of GaAs/Al_xGa_(1-x)As quantum wells grown by MBE has been studied. 对GaAs/Al_xGa_(1-x)As量子阱材料进行的光致发光(PL),横断面透射电子显微镜(XTEM)和反射电子显微镜(REM)的研究结果表明量子阱材料的结构质量对其光电性能有一定影响。
- Polyacrylamide (PAM) can enhance soil structural stability however its influence on soil hydraulic conductivity is not very clear. 摘要聚丙烯酰胺(PAM)可增加土壤结构的稳定性,但它对土壤水力传导能力的影响尚不清楚。
- Effect of application of fertilizers on soil structure in red soil. 施肥措施对红壤结构的影响。
- Shaking table model tests of TMD suppressing vibration control considering soil structural interaction(SSI) effects are designed and carried out. 设计并完成了考虑土与结构相互作用的TMD减震控制振动台模型试验。
- A mixture of decaying organic matter, as from leaves and manure, used to improve soil structure and provide nutrients. 堆肥腐烂有机体的混合物,如树叶或粪便,用来改善土壤结构并增加土壤养分
- Abstract: Flocculation and deflocculation of fine sediment play an important role in soil structural stability, agrochemical compounds movement and eroded sediment transport. 摘 要: 细颗粒泥沙的絮凝-分散对土壤结构的稳定性,土壤中农用化合物的迁移以及侵蚀泥沙的输移、沉积有重要作用。
- Soil structure is brown loam over red/yellow clay with underlying shale. 土壤结构为咖啡色壤土覆盖红/黄黏土,基底为页岩。
- Infiltration water is favorable to the soil structure genesis and stability. 浸润水分有利于土壤结构的形成和稳定。
- To accomplish this purpose, the Borzoi needed particular structural qualities to chase, catch and hold his quarry. 为了达到这个目的,波索尔需要非常特殊、精确的身体机构,用来捕捉和控制猎物。
- They will grow good cereal crops so long as soil structure is maintained. 只要土壤结构能够保持,他们就能够种出优良的谷物。
- Plants creating plenty of organic matter do most to improve the soil structure. 植物生产了大量的有机物,大大改善了土壤的结构。
- Manometry bamboo flooring structure Quality Assurance 15, heavy bamboo flooring structure quality assurance 25. 测压竹地板结构质量保证15年,重竹地板结构质量保证25年。
- This overall deterioration in soil structure is usually accompanied by a reduced nutrient retention capacity. 这种土壤结构的全面恶化,通常伴随着养份保持能力的降低。
- This text summarize the research progress of molecular structure、quality 、mechanism and the application outlook of MOET、IVM、therapy of some human relevant disease. 本文综述了近年来在FSH的分子结构、理化性质和作用机理等方面的研究进展及其在超数排卵、卵母细胞体外成熟和治疗人类相关生殖疾病方面的应用前景。
- The mechnical stability, varies with soil texture and with various phases of soil structure. 机械稳定性随土壤的层理和土壤结构中各相情况而变化。
- The mechanical stability, varies with soil texture and with various phases of soil structure. 机械稳定性随土壤的层理和土壤结构中各相情况而变化。
- This paper analysis the seepage deformation caused by tunneling in Nanjing area from hydrogeology, soil structure and mechanics etc. 摘要本文从水文地质条件、土体结构和力学性质等方面分析了南京地区土层中隧道开挖所引起的渗透变形问题。
- The Effect of Ecosystem Succession on Soil Structure Properties in Black Soil Region of Northeastern China. 东北黑土区生态系统的演变对土壤结构性质的影响