The Huangshui basin is the industry and agriculture production base in the Qinghai province, and also is the primary soil and water losses area of the Qinghai province.
湟水流域是青海省工农业生产基地,也是青海省主要水土流失区。
The primary growing medium, what the plants draw nutrients from, is actually soil, not water.
主要的生长介质,也就是植物吸收营养的来源,实际上是土壤,而不是水。
Foundation deformation is one of the primary research topics of soil mechanics.
地基变形是土力学中的主要研究课题之一。
Precipitation, soil evaporation and plant transpiration were the primary factors affecting soil moisture which variation with time.
土壤含水量随时间的变化,主要受降水量和土壤蒸发与植被蒸腾耗水的影响。
This paper mainly studies the strength softening characteristic of loess-like soil by triaxial shear test on the basis of primary research productions of loess.
本文在黄土已有研究成果的基础上,通过三轴剪切试验对类黄土(黄土状土)的强度软化特性进行了重点研究。
Primary application showed this system is very useful for small catchment management of soil conservation.
应用结果表明,该系统对于小流域水土保持综合治理有重要的意义。
The primary source of infection was the oospore overwintered in soil and plant survival.
其主要侵染来源是土壤中和植物病残体上越冬的卵孢子。
The results showed that about 50% of land is middle-strong salinized or salt soil, and the primary salt type is chlorinate-sulfate.
结果发现:区内有50%的土地处于中强盐渍化和盐土状态,且主要为氯化物-硫酸盐型盐渍化;
How to apply advanced technique for the soil monitoring is the primary research topic before us.
如何采用先进的技术方法对复杂的土壤状况进行监测,成为摆在我们面前的首要研究课题。
Primary benefits are a decreased rate of soil erosion; reduced need for equipment, fuel, and fertilizer; and significantly less time required for tending crops.
该耕作方法主要的好处是可减少土地受到腐蚀的机率,减少机械、燃料和肥料的使用,有效减少田间管理的时间。
The characteristic of soil erosion in the eastern part of Guizhou were expounded. The primary questions are the petridesert in karst area and the soil erosion in tung tree forest region.
阐述了黔东地区水土流失的特点,黔东地区水土流失主要是石灰岩地区的石漠化与油桐林下的水土流失问题。
Fine sediment flocculation and deflocculation play an important role in soil penetrability and soil erodibility, and are one of the primary contents of soil and water conservation.
细颗粒泥沙的絮凝或分散对土壤渗透性、土壤可蚀性有重要作用,是水土保持研究的重要内容。
The main source of primary infection comes from hypha, akinetes and sclerotiums over-wintering in the bulb, residues of diseased plants and the soil.
病菌以菌丝体在种球内,或以菌丝体、厚垣袍子及菌核随病残体在土壤中越冬,成为翌年的主要初侵染源。
So it is primary problem needed solved to improve the salt resistance of corppers and utilize the saline soil at agriculture.
因此改良农作物的盐耐受能力,利用盐渍化土壤是农业生产上亟待解决的问题。
On the basis of the principles of plant physiology, agro-meteorology and soil environment, net primary production of rice and wheat crops was modeled.
以植物生理学、农业气象学和土壤环境学的基本原理为基础 ,建立了稻麦作物净初级生产力模型 。
The soil-water effect is one of the primary reasons causing the accident in soil nailing bracing projects.
水土作用问题一直是导致土钉支护工程事故的主要原因之一。
In this paper, the characteristics of cement stabilized soil as well as primary factors affecting the strength are analyzed and quality control at construction site is discussed.
本文对水泥稳定土基层的特性以及影响其强度的因素进行了分析,论述了施工现场质量控制。
It introduces cement stabilized soil material from matter need attention of use-process, health preserving and primary material, which has meaning in spreading application of the structure.
从使用工艺注意事项、养生原则以及原材料要求等方面对水泥稳定土材料进行了介绍,对推广应用此类结构在工程上的应用具有一定的意义。
This paper mainly describes the geochemical characteristics, primary geochemical anomaly characteristics of water-laid deposits, soil and the zonation.
本文着重论述了山门银矿地球化学特征; 水系沉积物,土壤及原生地球化学异常特征和分带性。
A case study from Panzhihua city, primary studies about urban environmental geochemistry of trace elements in the soil were carried out.
以攀枝花市为例,初步研究了该市土壤中微量元素分布的地球化学特征及城市环境污染特征。
In situ loading test results show that the soil foundation consisting of the mixture can provide enough bearing capacity for primary construction.
现场试验表明经皂化渣加固后的软土地基承载力可以满足设计要求。
The main way of soil erosion are wind erosion and water erosion, which have been studied for long time and primary understood the process.
土壤侵蚀的主要方式是风蚀和水蚀,对其研究历史较长,已经有了初步的认识。
The experiment results show that the maximal adsorption rate of uranium in the soil of the primary election nuclear waste disposal field is 54.75%, but adsorption properties are not so good.
实验结果表明,该放射性废物处置预选场址土壤对铀的最大吸附率为54.75%,吸附性能较差。
The whole amount of soil erosion comprises primary and new soil erosion amount.
公路沿线原地貌水土流失量及新增水土流失量之和即为全部的水土流失量。
The soil degradation integrated 10 indexes of soil property indicated that compared with the primary marsh, the wetland under different utilization types all degraded.
综合土壤性质10项指标计算的土壤退化指数表明,与原生沼泽相比,不同利用方式下的湿地均出现退化。
Spatial variability of soil water retention function is a primary prerequisite for quantitative research on water movement and solution transfer in unsaturated zone.
土壤水分特征函数空间异质性是定量研究土壤非饱和带水分运动以及溶质运移的先决条件。
Results the calculation result shows that spherical surface of the conductor buried in sandy soil presents not only primary and secondary scattered waves but also multiple wave and creeping.
结果表明埋藏在沙土中的导体球面不仅仅存在一次和二次散射波,而且还存在多次波和爬行波。
The primary result of measurment for gaseous mercury in soil on active faults in Weihe basin is obtained with JM-3 digital gold-film mercury meter.
利用JM—3型数字金膜测汞仪对渭河盆地活动断层进行壤中气汞测量,取得了初步结果。
The primary result of measurment for gaseous mercury in soil on active faults in Weihe basin is obtained with JM-3 digital gold-film mercury meter.
利用JM—3型数字金膜测汞仪对渭河盆地活动断层进行壤中气汞测量,取得了初步结果。
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