水土

From water loss and soil erosion,encroachment of sea water, ground subsidence ,desertification of land,soil salination,landslide and other aspects the research contents of environmental geotechnical engineering are discussed.

介绍了环境岩土工程的定义及其研究现状，从水土流失、海水入侵与地面沉降、土地砂化及盐碱化、滑坡与山崩等方面探讨了环境岩土工程的研究内容，分析了环境岩土工程的特点，并针对环境岩土工程今后的发展提出了一些建议，以供参考借鉴。

From water loss and soil erosion,encroachment of sea water,ground subsidence,desertification of land,soil salination,landslide and other aspects the research content s of environmental geotechnical engineering are discussed.

介绍了环境岩土工程的定义及其研究现状，从水土流失、海水入侵与地面沉降、土地砂化及盐碱化、滑坡与山崩等方面探讨了环境岩土工程的研究内容，分析了环境岩土工程的特点，并针对环境岩土工程今后的发展提出了一些建议，以供参考借鉴。

Phytoplanktonic Community of Organically Polluted Tropical Reservoirs in Eastern India Sanjib Kumar Das;Dibyendu Biswas;sudipto Roy

奈米碳管在触媒製备之应用廖秉恒；杨鸿铭·南山滑雪场建设中的水土流失防治包美春；赵方莹；王光武

There is also a worrying trend toward ground and aerial spraying to control a highly invasive weed called sericea lespedeza, introduced decades ago to curb erosion around mines and provide forage and cover for wildlife around reservoirs.

另一个令人担忧的对象，是一种被叫做草海桐的胡枝子科植物，人类将其喷洒于地面和空中，用以控制入侵的杂草。数年前人们用它来防止水土流失，并给水库周围的野生动物提供饲料。

So, vegetation in the lower slope is very important to soil and water conservation on slopping land.

因此保护好坡下部的植被可以有效地防止坡面水土流失。

The ability decline of defending soil and sluicing water, and...

特别是森林生态系统的退化，保土蓄水、阻洪滞洪能力下降，加上人类不合理的活动，加剧了水土流失的强度，使河床抬高，堤防脆弱，流域蓄洪行洪能力降低，是福建省自然灾害频发地区之一。

The water mixed with foul dense red or black stuff was flowing down her cheeks, as if the flood was sluicing across chains of mountains.

见一位化过妆的女友洗面，红的水黑的水蜿蜒而下，仿佛洪水冲刷过水土流失的山峦。

So during the process of hydroelectric development, the key of protecting the environment of Supa River basin is to control soil erosion and decrease the water demand for sediment transport.

因此，保护苏帕河流域生态环境的关键是在水电开发中防治水土流失，降低输沙需水量。

The plants of the family Tamaricaceae, a family with long history, have occurred in ancient Mediterranean region since Tertiary. Most of them are drought-telerant plants, which are suitable to be used as wind-preventing, forest-making and soil-holding plants. Ecologically, they are plants of great importance in reforming of desert and improving of climate condition in arid zone.

柽柳科是一个古老的科，起源于第三纪，包括亚洲中部的内的&古地中海&沿岸地区，该科植物主要为旱生植物，其中大多数种是防风、固沙造林和水土保持的优良树种，对改造沙漠和改善气候条件具有重要的生态意义。

Contour planning with or without terracing is effective in conserving both soil and moisture.

顺等高线栽植，无论做或不做梯田对于保持水土都能有效。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。