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The first thing to see, looking away over the water, was a kind of dull line -- that was the woods on t'other side; you couldn't make nothing else out; then a pale place in the sky; then more paleness spreading around; then the river softened up away off, and warn't black any more, but gray; you could see little dark spots drifting along ever so far away -- trading scows, and such things; and long black streaks -- rafts; sometimes you could hear a sweep screaking; or jumbled up voices, it was so still, and sounds come so far; and by and by you could see a streak on the water which you know by the look of the streak that there's a snag there in a swift current which breaks on it and makes that streak look that way; and you see the mist curl up off of the water, and the east reddens up, and the river, and you make out a log-cabin in the edge of the woods, away on the bank on t'other side of the river, being a woodyard, likely, and piled by them cheats so you can throw a dog through it anywheres; then the nice breeze springs up, and comes fanning you from over there, so cool and fresh and sweet to smell on account of the woods and the flowers; but sometimes not that way, because they've left dead fish laying around, gars and such, and they do get pretty rank; and next you've got the full day, and everything smiling in the sun, and the song-birds just going it!

往 水面上望去,首先看到的是灰蒙蒙的一条线——那是河对岸的树林子——别的便什么也看不清——接着是天空中有一点儿鱼肚白;然后鱼肚白多了些,逐渐朝四周散开去;接下来,远处河水的颜色淡了些,不是那么黑了,而是灰灰的了。更远处,可以看到小小的黑点子在漂过来——那是些载货的驳船之类。还有黑黑的一长条——那是木筏子。有时能听到长桨吱吱地响,或者一些杂音。四周这么寂静,声音又来自很远的远方。过了一会儿,你看到一道水纹。凭了水纹的模样,你知道那里有一块礁石,急流朝着它冲过去,流水飞溅,成了这个模样。你看到,雾气袅袅上升,离开水面,东方红了起来,河面红了起来。你可以看到对岸河边树林子边上一处原木搭成的小屋,那可能是一个木材场,在那里堆着的一堆堆木材,中间却是空的,容得狗钻来钻去,为了能叫人家上当①。然后微风轻拂,从河上一阵阵吹来,那么凉凉的,那么清新,闻起来那么甜美,这是全凭了那些树林子和那些鲜花的缘故。可有时候也并非全是如此美妙。

In allusion to the characteristics that Luannan County is a county which majors in agriculture and its area is small and its water resources allocation is relatively easy and the contradiction of water resources allocation among industries is severe and so on, based on the predicted water supply and demand for Luannan County, water resources multi-objective optimal allocation model is founded. The model are made up of primary object which is that the district economical benefit is most and by-end which is that the district social benefit is most and restricts which contain water supply capability and water transportation capability and water demand capability and so on.

更多分配矛盾较为突出等特点,在滦南县供需水预测成果的基础上,建立了以区域经济效益最大为主要目标、区域社会效益最大为次要目标、以区域供水能力、输水能力、需水能力等因素为约束条件的水资源多目标优化配置模型,根据Excel和Matlab的特点,把Excel作为数据输入端,调用Matlab中的linprog工具函数求解该模型,得到了滦南县水资源优化配置成果。

The results showed that there was power function relationship between the capillary water rise height and groundwater supply quantity and the time. There was linear function relationship between capillary water rise height and groundwater supply quantity and a power function between them and the time. There was linear function relationship between the capillary water rise velocity and the groundwater supply rate. Parameters could be calculated by measured data, which showed that it is possible to simulate capillary water rise process of homogeneous soil by Green-Ampt model.

结果表明:均质土毛管水上升高度和地下水补给量均与时间之间为幂函数关系,毛管水上升速度和地下水补给速率也均与时间呈幂函数关系,毛管水上升高度与地下水补给量之间呈明显的线性关系,毛管水上升速度与地下水补给速率也呈线性关系;通过试验资料可以推求有关参数;说明入渗条件下的Green-Ampt模型用于模拟均质土的毛管水上升过程是可行的。

By using Lee\'s matching law, the excess pore-air pressure, excess pore-water pressure and settlement in the Laplace-transformed domain are obtained for one-dimensional consolidation in unsaturated soils, under the large-area uniform instantaneous loading. A computer program using the method by Crump and Durbin is developed to obtain the semi-analytical solution of the excess pore-air pressure, excess pore-water pressure and settlement under the boundary conditions of the top surface permeable to water and air and the bottom impermeable to water and air.

8采用李氏比拟法,应用Merchant粘弹性模型,得到了Laplace变换域内粘弹性非饱和土地基一维固结时超孔隙水压力,超孔隙气压力以及土层沉降的解;采用Crump及Durbin方法实现Laplace逆变换,获得大面积均布瞬时加荷,在顶面排气排水,底面不排气不排水情况下粘弹性非饱和土地基一维固结时的半解析解。

The paper focuses on the tetraploidy black locust on Loess plaeatu of West Shanxi province, applys steady state promoter method and image processing technology to study the days transpiration water consumption in different weather ,different seasons and different site conditions,has primary analysis on the impact of environment on the transpiration and carries on the calculation to the tetraploidy locust tree by the single leaf water consumption to the single tree water consumption in CaiJiachuan watershed; Uses fast weighing method to measure and analyze the transpiration water consumption of five different herbs under the tetraploidy black locust forest (Capillary Wormwood,Vanilla,Agropyron Sristatum , Common Sowthistle and Medicago Sativa) in short time, in the same and different growcrop,and calculates the average transpiration water consumption per square metres ;the soil colome weighing method was used for determining diumal variation quantity of soil moisture evaporation, analyzing the dynamic variation and caculating the total quantity of soil evaporation water consumption from May to August ; then 5 kind of suppositions about the types of surface vegetation coverage are proposed in experimented site and the total evapotranspiration water consumption are calculated under 5 suppoitions ,aim at providing preliminary theoretic basis for ascertaining the transpiration water consumption of tetraploidy black locust forest,controling standing forest density and optimizing the forest grass deploy on loess plaeatu of west Shanxi province .

本文以两种不同立地条件下的四倍体刺槐林为研究对象,采用了气孔计法对蔡家川流域生长季内不同天气状况下(典型晴天、阴天和半阴天)四倍体刺槐日蒸腾耗水规律、不同季节(生长季初期、中期和末期)的蒸腾耗水规律、两种不同立地条件下四倍体刺槐蒸腾耗水比较以及影响四倍体刺槐蒸腾耗水的环境因子进行初步研究分析,并对四倍体刺槐由单叶耗水量向单株耗水量进行推算;采用经典快速连续称重法对四倍体刺槐林地生长的主要5种草本植物(白蒿、香青兰、冰草、苦苣和苜蓿)短时段内蒸腾耗水规律、不同生长季内蒸腾耗水规律、同一生长季不同种类草本植物蒸腾耗水量进行了比较分析,并且采用面积与重量比的方法推算出了单位面积四倍体刺槐林地几种主要草本植物平均蒸腾耗水量:采用土柱称重法测定了5月份~8月份土壤水分蒸发昼夜变化量、对试验期内土壤蒸发量动态变化作了分析、推算出了试验地5月份~8月份土壤蒸发耗水总量;对试验地地表植被覆盖类型提出了5种假设,推算出5种假设的情景下蒸散耗水总量,旨在为晋西黄土区四倍体刺槐林蒸腾耗水量的确定、林分密度调控以及林草优化配置等提供初步的理论依据。

Through the tests on gas driving water and water driving gas, the flow law of gas and water was real-time observed. Mainly based on the test of water driving gas as an example, the development of molding coal sample and NMR triaxial osmoscope was demonstrated. The experiment process of water driving gas and parameters were demonstrated. NMRI images of molding sample in horizontal cross-section along the driving direction were obtained by NMRI instrument. The results from images were analyzed and compared. Some novel laws were obtained as the following:(1) the leading edge of water driving has inconsistency. This certified the important previous conclusion that the storage of methane mainly was absorbed in inner surface of pore from NMRI technique;(2) the existence of dominant driving pathway was tested and the way kept almost fixed. The pathway is apt to exist in the edge of coal samples where pore and fracture fully develop;(3) the variation of water flow determines the transport velocity of leading edge of water driving and it has lag effect;(4) the effectiveness of the first driving is better than the second driving;and (5) the subsequence of water driving gas are from trunk fractures to branch fractures, then to branch pores.

主要以水驱气NMRI试验为例,详细介绍了核磁共振三轴渗透仪和型煤试件的研制,并重点阐述了水驱气试验过程和相关参数,利用NMRI技术实时观测得到了不同时间沿驱替方向型煤试件水平剖面的NMRI成像图,最后对试验结果进行了比较分析,揭示了一些新的规律认识:(1)水驱替前缘具有不一致性,从NMRI试验角度验证了前人甲烷类气体赋存形式主要以吸附在孔隙内表面为主的重要结论;(2)煤试件存在优势驱替路径,且这种优势路径在驱替过程中基本保持不变,水驱气的优势驱替路径易产生在煤试件边缘,即煤孔隙裂隙发育区;(3)水驱流量变化决定了水驱前缘的运移速度,且对水驱气效果具有滞后效应;(4)水驱气初次驱替效果好于二次驱替效果;(5)水驱替气的顺序为:主要大裂隙—周边裂隙—周边孔隙。

The dynamics equations of soil water vaporizing and ammonia volatilizing hcluding the factors of water and temperature, and the dynamics-like equation of urea transforming into ammonium nitrogen in soil are founded in the paper, by taking the effect of interaction of water and temperature as subject, the dynamic change character of object studied as basis and using principle of chemical dynamic; The empirio-equations of soil water retention curve including temperature and the empirio-equations including temperature between water potential of millet seedling leaves and soil water are founded in order to make the equation of relation between water potential and water content in soil suit the demand of temperature change much better.

本文以水热耦合效应为主题,基于研究对象的动态变化特征,应用化学动力学原理,建立了含水、热因子以及水热耦合效应的土壤水分蒸发、肥料氨挥发动力学方程,以及施入土壤中的尿素转化为铵态氮的动力学型方程;为使水势—含水量关系式更好适应变温条件应用的要求,建立了含温度因子直接表征土壤持水曲线的经验方程,以及含温度因子的谷苗叶水势与土壤含水量关系经验方程。

The dynamics equations of soil water vaporizing and ammonia volatilizing hcluding the factors of water and temperature, and the dynamics-like equation of urea transforming into ammonium nitrogen in soil are founded in the paper, by taking the effect of interaction of water and temperature as subject, the dynamic change character of object studied as basis and using principle of chemical dynamic; The empirio-equations of soil water retention curve including temperature and the empirio-equations including temperature between water potential of millet seedling leaves and soil water are founded in order to make the equation of relation between water potential and water content in soil suit the demand of temperature change much better.

本文以水热耦合效应为主题,基于研究对象的动态变化特征,应用化学动力学原理,建立了含水、热因子以及水热耦合效应的土壤水分蒸发、肥料氨挥发动力学方程,以及施入土壤中的尿素转化为铵态氮的动力学型方程;为使水势—含水量关系式更好适应变温条件应用的要求,建立了含温度因子直接表征土壤持(来源:A9eBC7b4b论文网www.abclunwen.com)水曲线的经验方程,以及含温度因子的谷苗叶水势与土壤含水量关系经验方程。

In 1 irrigation time and 2 irrigation times treatments, soil salt content decreased by 11.7%, and soil salt content increased by 12.6% in 3-4 irrigation times treatments. 2 After irrigation, the mean reduction of soil bulk density was 6.5%, and the mean increment of soil total porosity was 18.1%. With the irrigation frequency increasing, soil density was decreased and soil total porosity was increased. 3 Soil infiltration course of reed field irrigated by wastewater fitted Horton infiltration model well. After wastewater irrigation, the first infiltration rate decreased, but the stable infiltration rate promoted with the wastewater irrigation frequency increasing. 4 Soil water-holding capacity was increased by wastewater irrigation. The maximum water-holding capacity in capillary was 90.15 mm in the treatment of irrigation 3 irrigations, and the maximum water-holding capacity in non-capillary was 4.15 mm in treatment of 4 irrigations.

废水灌溉后,土壤pH均值降低6.0%;废水灌溉1~2次,土壤含盐率降低11.7%,废水灌溉3~4次后,增壤含盐率增加12.6%。2)废水灌溉后土壤体积质量均值减小6.5%,总孔隙度均值增大18.1%;随着废水灌溉次数的增多,土壤体积质量和总孔隙度分别有减小和增大的趋势。3)Horton模型比较适合描述废水灌溉后芦苇群落的土壤入渗过程,废水灌溉降低了初渗率,但随着废水灌溉次数的增多,稳渗率增加明显。4)废水灌溉增强了土壤贮蓄水分的能力,废水灌溉3次吸持贮水量达到最高(90.15 mm),灌水4次滞留贮水量达到最高(4.51 mm)。

The following is mainly dealing with the problems excisting in rural drinking water:tap water popularizing rate is high but low in really qualified drinking water; water supply costs so much but earns so little; it is hard to e,nter into the market and the percentage of private investment is low; water price is higher and higher year by year but service quality is still unsatisfactory; it is rich in water amount as a whole but poor in available water on the preson average; more administration and few law means;more state-owned corporations and few private-owned corporations; hygiene standard is out of date and there is few index parameter amount.It points out inputing fund is the key to solve the problem of rural drinking water.and the difficult point is how to manage the corporation.The

政府要加快立法,理顺行业监管职能归属,适当集中管制权,改革价格管制方式,推进产权和经营管理体制改革,尽快修订农村饮用水卫生标准,推广用水户参与式管理,加强水源保护和水污染治理,并提出了解决浙江省农村饮用水的总目标和阶段性的目标与任务。

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相关中文对照歌词
Down By The Water
Down By The Water
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Meet Me By The Water
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Do you know, i need you to come back

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