查询词典 water and soil

In the dry land and garden plot, the soil eroding amount of terraced fields is only 1/3 of that be ploughed directly along the slope. It is difficult that assart along the contour in the dry land and garden plot, after the first 1~2 years, the soil eroding amount will increase at double. From the soil and water conservation point of view, the mode that integrates arbor, shrub and grass in woodland is the best, the mode that plants grass in bare land is the second.

等高作梯的旱耕地和园地土壤侵蚀量仅为顺坡直耕的早耕地和园地顺坡的1/3左右；早耕地、园地等高开垦的强度大，开垦之后1~2年土壤侵蚀量成倍增长；从水土保持角度看，林地乔、灌、草结合模式最好，裸地植草模式次之。

The model includes that the relationship between median diameter, as well kinetic energy, of raindrop and rainfall intensity obeys logarithmic function, the critical slope degree of soil erosion is 38.4°～43.0° in test area and the best multiple index of rainfall erosivity value is /100. Employing the prediction model, the soil erodibility value, the accelerated value of excavation slope, roadbed slope, construction site, borrow pit, service road and other temporary occupation land and the loss-spoil ration of waste pile were examined. Finally, the integrated soil and water conservation measures in highway construction project have been suggested.

从而建立了凉山州天然降雨雨滴中数直径与雨强的关系和降雨强度与动能的关系，分析了高速公路引起水土流失的侵蚀性降雨标准、侵蚀转折坡度及不同流失区流失量的大小关系，给出了高速公路水土流失预测模式中降雨侵蚀力尺值的最佳复合指标，估算出路堤边坡、路堑开挖边坡、路基、临时施工用地、取土场、便道和其它临时占地的可蚀性K值、加速侵蚀系数A值以及的弃土场的流弃比B值，最后针对高速公路不同防治区水土流失特点提出了相应的综合防治措施。

Using the concept of soil-moisture-balance suggested in Palmer-drought-model for reference, daily available water content in upper and lower levels of soil is simulated with daily maximum temperature and rainfall data. Drought dynamic index, I, defined by AWC of lower level soil, with definite physical meaning and data acquirability, is presented in the paper, by which a drought course can be depict in detail, and how a drought course occurs and develops can be monitored and evaluated dynamically.

借鉴帕默尔早度模式中的土壤水份平衡概念，采用逐日气温和降水量资料，对土壤有效含水量（分上、下2层）进行了逐日滚动模拟，提出了以下层土壤有效含水量构建逐日干旱动态强度指数I(下标 D，该指数物理意义明确，实时资料可得，能够刻画干旱过程的丰富细节，实现对干旱发生、发展及其强度的逐日动态监测与评估。

The germination test of Sporocarps of Microlepia hancei prantl had been done, the callus can be induced from the delicate stem of Microlepia hancei prantl; The inducement and proliferation medium of callus was MS＋6-BA2 mg/L+NAA0.2 mg/L;the optimal combination of hormones of buds differentiation was MS+6-BA 0.4 mg/L; the effect of MS medium in radication culture was better than 1/2MS, the roots of plants were all efficiently induced in MS medium without reference to adding IBA、NAA or IBA＋NAA, the rate of radication was high; the effect of seedling cultured in the mixture of perlite and turf soil was better than perlite、garden soil and river sands.the mixture of perlite and turf soil has the excellences such as ventilate、water conservation 、nourishment and so on,the survival rate was higher and seedling substance was also hale.

试验进行了华南鳞盖蕨孢子果的萌发试验，并利用幼嫩茎段进行诱导愈伤组织；愈伤组织的诱导与增殖培养基为MS＋6-BA2 mg/L+NAA0.2 mg/L；其芽分化最佳激素组合为MS+6-BA 0.4 mg/L；生根培养中MS基本培养基比1/2MS效果好，MS基本培养基不论附加生长素IBA、NAA或IBA＋NAA，均能有效地诱导植株生根，生根率高；假植以珍珠岩和泥炭土的混合物为基质效果优于珍珠岩、菜园土和河沙，具有通气、保水、营养等优点，假植成活率高，苗势健壮。

In addition, mathematical models describing the changes of soil water contents with time within 30 cm, 60 cm, and 90 cm depth were also proposed, with which the temporal dynamics of soil water in the intercropped maize fields could be well predicted.

并建立了0～30、30～60、60～90及0～90cm土层土壤含水量随时间变化的数学模型，以此来预测试验条件下套作玉米带土壤水分随时间变化的动态。

In this paper,the method for measuring water soluble Sulphate in soil by Barium Chromate Spectrophotometry is discussed as well as the experiment conditions about the rate of water soil and vibration time.

介绍铬酸钡分光光度法测定土壤中水溶性硫酸盐的分析方法，并讨论了水土比、振荡时间等实验条件。

Then it carries on soil sample the experiment of the storing water system, including penetration coefficient determination experiment and capillary water rising experiment of the soil sample.

然后进行储水系统土样的试验，包括土样的渗透系数测定试验和毛细水上升试验。

Measured the basic physical parameters of unsaturated soils in Three Gorges Reservoir area; 2 measured the initial sample matric suction using the unsaturated triaxial testing system, which can be used to evaluate the unsaturated soil strength and stress; 3 the drying and moisture absorption experiments were executed using the Tempe apparatus, and got the Soil-Water Characteristic Curve, permeability coefficients of every stress level were simulated according to the parameters from the SWCC; 4 the unsaturated soil strength tests were carried out using the GDS triaxial testing system, then got the Mohr circle and shear strength parameters; the results from different stress paths were compared; meanwhile, the axial strain-stress ratio-volume strain curve of different matric suction and different radial pressure was got, as well as their relationship; The research, which provided the necessary data and reference for Three Gorges Reservoir area geologic disaster, is the basic component of Three Gorges Reservoir geologic disaster prevention and research, and experimental results will be used directly in the project.

1量测了三峡库区非饱和土的基本物性参数； 2用非饱和土三轴试验仪量测了试样的初始基质吸力，为评估非饱和土的强度和应力水平提供参考； 3用Tempe仪和体积压力板仪进行了非饱和土的干燥和吸湿试验，得到了土-水特征曲线，并根据其参数拟合出各级吸力状态下对应的渗透系数； 4用GDS三轴仪进行了强度试验，得到了Mohr圆和抗剪强度参数；并比较分析了不同应力路径下试验结果；同时得到不同吸力和不同围压下轴向应变-应力比-体应变的关系曲线和其相互关系。该研究是三峡库区地质灾害防治研究工作的基础性工作，其结果将直接应用到工程实际中，为三峡库区地质灾害提供必要的数据和参考。

The spatial heterogeneity of soil water in alpine meadow is found to be the highest,and that of the soil water in alpine shrub is comparatively low.

土壤水分的空间异质性是各种生态系统的内在属性，这种异质性的强度和空间尺度无论对群落结构还是生态过程都具有重要影响[1]。

The numerical simulation of the water infiltration in dry sands and fly ash in two-dimensional shows that the influences of pore gas flowing on the water infiltration process are different for soil with different air permeability, which can not be ignored when air permeability of soil is low.

数值结果表明，对导气率不同的土类，孔隙气体的排出过程对孔隙水入渗运动有不同的影响，对导气率低的土类影响很大，且不可忽略。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。