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To improve the purple soil storage capacity, to prevent soil erosion in hunan province, the choice of HengYangXian 20o purple soil slope, setting Guan waste land, grassland, natural forest and grassland and agrimony slight composite 4 processing, the water treatment performance and its mechanism, and the results show that, compared to the purple soil LuoDe HuangShanPo ground implement agrimony and three-dimensional planting trees for 1-2 years later, reduce soil bulk density 0.10 g/cm3 0.09 ~, soil porosity, permeability of soil moisture 14.01% increase rate increase 2.20 ~ 2.29 times.

为提高紫色土蓄水能力,防止水土流失,在湖南省衡阳县选择20o 左右的紫色土荒山坡地,设置祼地、自然草地、龙须草地和龙须草与林地复合4 个处理,比较分析各处理贮水性能及其改良机理。结果表明,与裸地相比,在紫色土荒山坡地上实行龙须草与林木立体种植1~2 年后,土壤容重降低0.09~0.10g/cm3,土壤总孔隙度增加14.01%,土壤水分渗透速率提高2.20~2.29 倍。

The effect of six chemical disinfectants of different quality concentrations, namely, povidone iodine、dibromohydantoin、formalin、trichloroisocyanuric acid、calcium hypochlorine and sodium hypochlorite, on the species and quantities of plankton in cultured water were studied.

采用不同质量浓度的聚维酮碘、二溴海因、福尔马林、富氯、漂粉精和次氯酸钠等6种化学消毒剂,对蓄水沉淀池养殖海水进行消毒处理,处理前后分别测定浮游生物种类和数量变化。

To reveal patterns of longitudinal distribution, seasonal variation, and ecological succession in cladocerans communities in the Three Gorges Reservoir, ten sites were used to sample cladoceran communities across a longitudinal gradient from April, 2004 to January, 2005. Nine cladoceran species were collected throughout the year.

中文摘要:为了阐明三峡水库初次蓄水后干流库区枝角类的时空分布规律, 2004年4月至2005年1月,在600余公里干流库区设置10个样点,定性和定量采集枝角类标本。

The water quality development trend after the Three Gorges Dam built up has become one of the global attentions.

三峡水库蓄水以后,三峡库区水质如何变化一直成为国内外广泛关注的问题。

The software make the design of the ditcher more convenient, more efficient, higher quality.

该软件使得这种新型蓄水保墒机具的设计变得简便、高效。

The water loading was simulated based on the digital terrain model of the Three Gorges region. The vertical deformation of the Three Gorges area was calculated according to the Farrell's globosity deformation theory.

根据三峡地区的数字地形模型,模拟三峡工程3次蓄水后的水体负载,利用Farrell提出的质量负荷产生的地壳形变理论,推算3次蓄水后三峡水库库区的垂直形变。

Research on improved AR model and its application to simulation and prediction of vertical deformation ;2. The vertical deformation of the Three Gorges area was calculated according to the Farrell s globosity deformation theory.

根据三峡地区的数字高程模型,模拟三峡二期工程蓄水位达到 135m后的水体负载,利用Far rell提出的质量负荷产生的地球形变理论,推算三峡水库水位达到 135m后整个库区的垂直形变,与三峡库区GPS形变监测网获得的蓄水前后的垂直形变图像进行对比分析,结果显示:在三斗坪巴东库段,两者中都出现了 3个相同的、明显的垂直形变集中区。

In order to understand the influence by the Three Gorges Project and supply basal information of estuary environment before sluice, a study was carried out on the Changjiang Estuary and its adjoining area from 1998 to 2001. This paper discussed mainly the influence by the Three Gorges Project on estuary environment of the Changjiang River. This paper analyses the hydrophysics, deposit environment, hydrochemistry, primary productivity, plankton, benthon and fishery resources of the Changjiang Estuary and its adjoining area, and further the relationship between the environment and runoff of the Changjiang Estuary.

根据调查数据,结合历史资料对三峡水库蓄水前的长江口及邻近海域水文物理、沉积环境、水化学、初级生产力、浮游生物、底栖生物和渔业资源进行了全面分析,并进一步阐明了长江口生态环境与长江入海径流量间的关系;提供了三峡水库蓄水前长江口生态与环境的基础资料,对长江口生态系统健康度作出评价,为长江口生态环境保护与可持续发展奠定了良好的基础。

Firstly the thesis made study on stress field、 displacement field、 yielding part in colluvial deposit and accretion before water accumulated and after water accumulated and made the conclusion that slope failure will take place easier in colluvial deposit than in accretion.The stability computation indicates that stability will decline either for colluvial deposit or accretion bank and decline more rapidly in colluvial deposit than accretion bank.

论文首先对崩坡积、冲洪积岸坡蓄水前后的应力场、位移场及塑性区的变化进行对比,结论为崩坡积体岸坡遇水比冲洪积体岸坡更容易发生破坏;通过对岸坡的稳定性计算,两种岸坡在蓄水后和水位骤降时的稳定性均明显降低,崩坡积体岸坡降低更为显著,且其天然稳定性较冲洪积岸坡为差。

Based on previous researches on the Three Gorges of the Yangtze River, twenty selected typical landslides and rockfalls are studied by classification.

中文摘要:在前人相关研究的基础上,选择三峡工程库区20处典型崩塌、滑坡体进行分类研究,分析三峡水库蓄水时和蓄水后,由于水位变动所产生的各种作用力,以及这些作用力可能给库区的崩塌、滑坡体带来的影响。

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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。