水土

The stockpile of opencast coal mine is a kind of huge artificial loose dump, which has the problems of serious soil erosion and instability.

大型露天煤矿排土场是一种巨型人工松散堆积体，存在着严重的水土流失和排土场稳定问题。

The main ecological environment problems in opencast coalmine were analyzed in detail, and landslide, soil erosion and heavy metals were screened out as risk sources.

详细分析露天煤矿区的主要生态环境问题，筛选出矿区滑坡、水土流失和重金属为主要风险源。

Limited by the spatial resolution, it is difficulty to extract small pieces of the distribution of soil and water conservation practices, such as terrace, orchard, grass, plantation land and dam land based on these images.

梯田、果园、人工林草地和坝地等水土保持措施呈小片状分布，由于受到分辨率的限制，不能有效提取。

Ackerson R C Osmoregulation in cotton in response to water III effects of phosphorus fertility PLANT PHYSIOLOGY , 1985,null

陈国良%穆兴民%贾恒义%徐学选水肥对沙打旺产草量协同效应的初步研究土壤侵蚀与水土保持学报， 1992，3

So the physical geography process is theimportance factor forming water and soil loss.

因此自然地理过程也是水土流失产生的重要因子。

After new China holds water, especially the State Council " the opinion that develops about accelerating fishery further " after releasing, below the support of various party and government, the development that firm stressed natural environment resource is used and of pisciculture new technology recommend promotion.

新中国成立后，非凡是国务院《关于进一步加快渔业发展的意见》发布后，在各级党和政府的支持下，狠抓了水土资源的开发利用和养鱼新技术的引进推广。1997年，全市水产品总产量达到1718吨，丰富了居民的菜篮子，成为安阳市大农业的一个重要组成部分。

Ba sed on the regional ecological condition and the resources characteristics, the measures to improve the hilly eco-environment should be multiply arranged by following the strategical rules and the technique requirements which are plantin g grass and trees sparsely, growing the crops and fruit trees in the terrace, ro tationally cutting the grass, using the forest by rationally graziery, and makin g the soil and water conservation industrialization.

山区生态环境建设应从区域生态资源实际出发，按照林草建设疏林化，粮果生产梯田化，刈割草场轮作化，森林利用畜牧化，水土保持产业化的战略原则和技术要求，镶嵌配置。

Becomes silted up field dam as originally create prevent and cure run-off of soil important engineering measure in loess tableland area people crowd long-term practice, at ameliorates ecological environment and agriculture production condition, constructs stable production high yield basic farm, adjusts village industry structure, high power takes advantage of water resource, consolidate quit plough give back forest, gives back grass harvest, promotes rural economy develop wait for aspect, too exert most important effect.

淤地坝作为黄土高原地区人民群众长期实践中独创的防治水土流失的重要工程措施，在改善生态环境及农业生产条件、建设稳产高产基本农田、调整农村产业结构、高效利用水资源、巩固退耕还林、还草成果、促进农村经济发展等方面，也发挥着极其重要的作用。

So that at end of 20th century, the natural environment accumulated too much unconscionable results. Every kind of calamity happened frequently: bad-balanced precipitin, soil lapse, prolonged drought time, soil aggravation, life species decreased quickly, etc.

以至于在20世纪末，自然环境由于积累了太多的不合理开发的后果，各种灾害频频发生；降水不均、水土流失、泥石流、伏旱时间延长、土质恶化、生物物种骤减等等。

The principal character of soil erosion in Ninxia is grave soil and water loss in central and southern area, and strong wind erosion in the northern area.

宁夏土壤侵蚀主要特点是中南部水土流失严重，北部风蚀强。引起土壤侵蚀的发生和发展，主要是受自然和人为两方面因素的影响。

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。