查询词典 erosion

Multipleprediction regression equations on surface runoff and soil erosion quantities are givenin the dissertation.The prediction errors of these equations are about 15% to20%.

另外，应用地表径流小区观测资料推算土壤的抗冲性指标一抗冲模数，能够真正地反映野外降水击溅和径流冲刷对土壤侵蚀量大小的影响。

With the case study on Wanzhou in the three-gorges reservoir area, it had been studied and analyzed that the potentialities of exploitation and use on land and ecological safety by established land use database, and it had been revealed that serious loss of water and erosion of soil, ecological environment fragility, the water conservancy project submergence a large amount of land, arrannements of the numerous immigrations need a large amount of land, contradictory remarkableness among human and land, and the latent crisis by extensive management land were main crises and questions of the land use.

利用建立的土地利用现状数据库，以三峡库区最大淹没区万州为研究对象，对库区土地开发利用潜力及生态安全性进行了分析和研究。揭示了库区土地资源利用中存在的主要危机是水土流失严重、生态环境脆弱，三峡工程淹没土地多、移民迁建占地比重大、人地矛盾加剧及粗放经营土地带来的安全隐患等问题。

It's a residual mountain which were a set of thrust blocks under the erosion unconformity. It's reservoir pore space is a fracture-vug-pore system of Ordovician carbonate karst.

该气藏的构造为道冲构造侵蚀而成的残丘山，储集体为奥陶系碳酸盐岩溶蚀缝洞孔体系，流体呈层状分布(集中分布于奥陶系峰峰组和上马家沟组上段)。

Where aridity, degeneration or soil erosion occurs as a result of overgrazing, users of the grasslands shall be required to reduce grazing and resow forage grass so as to restore vegetation.

因过量放牧造成草原沙化、退化、水土流失的，草原使用者应当调整放牧强度，补种牧草，恢复植被。

Firstly, vegetation degradation enlarges bareness of ground surface, which enhance wind erosion and dry blowing, make the soiltexture coursing, increase the soil bulk volume and low down the retentiveness of water.

首先，植被退化，增大了地表裸露度，风蚀与风选作用加强，使土壤质地粗化、容重增加，持水性能降低。

Because of the activity of mankind that do to the transference and retroflexion of grains of soil, the intensity of soil erosion and nutrient losing has been enhanced, whether it is in the flat, farmland or woodland.

2~(137)Cs在土壤剖面中随深度的增加而呈下降趋势，在非耕作土和未扰动的土壤主要分布在土壤剖面的上部，并富集在土壤表层之间。

Soil degradation caused by erosion and loss of vegetation is the principal problem to sustainable ecology in the xerothermic regions. Revegetation is considered as the essential process of soil restoration.

植被散失和水土流失导致的土壤退化是影响干热区生态可持续发展的主要问题，植被恢复是修复退化土壤的基本过程。

Adopting gabions set in the bottom of the revetment works to protect engineering from erosion is necessary.

试验数据分析表明裹头工程根部设置铅丝石笼防护带，对保护工程、减轻边岸冲刷非常重要。

The experimental results of erosion under different rib geometry and ribbing form are in good agreement with computational ones.

首次对设置不同形状、不同排列方式抗磨肋条的壁面进行颗粒两相流的冲击磨损试验，证实了数值计算与理论分析所获结果的准确性。

The velocity of flow on soil surface can be measured and may be used to explain the mechanism of rill erosion.

细沟流中水流速度沿流线方向的垂直分布是一个非常困难的问题。要研究这个问

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48