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姜梨园铁矿区矿坑涌水量预测模拟
摘　要：矿坑涌水量预测是矿床水文地质勘探的重要组成部分，分析矿区地下水水流系统的演变规律，有助于加深对矿区地质条件和水文地质条件的认识，判明矿坑充水水源及其途径。文章在分析姜梨园铁矿区地质、水文地质条件的基础上，重点分析了F1断层的水文地质特征，确定了矿坑排水条件下含水层组间的水力联系，建立了水文地质概念模型及相应的数学模型、数值模型，借助Visual MODFLOW软件，在进行模型识别与验证后，结合矿山开采方案，预测了矿床的正常涌水量与最大涌水量。 下载
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东乡铜矿矿床水文地质条件及矿坑涌水量预测
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As for monthly simulation accuracy,the mean over 3 years is 83.84% and the mean over 8 years is 86.05% for water yield,and the mean over 2 years is 68.80% and the mean over 8 years is 59.70% for sediment yield.
至于月平均模拟精度,产水量3年为83.84%,8年为86.05%; 产沙量3年为68.80%,8年为59.70%。
With focus on the physical geographic conditions, geology, tectonic and hydrogeology survey this paper introduces the water supply situations of Chang'an station in Xi'an
Ankang Railway line and based upon analogy calculation method of hydrogeology the water yield is obtained which acquired good anticipated effect in construction.
介绍了西安安康线长安车站供水概况 ,从自然地理条件、地质、构造及水文地质勘察入手 ,通过运用水文地质模拟计算方法 ,得出了水源井的产水量 ,经施工验证 ,取得较理想的效果。
The Basin Scale Simulation Model for Soil and Water Resources Management—SWRRB,which includes 198 mathematic equations,was used to simulate water yield,sediment yield and other natural processes in the Lianshui Basin,579.3 km~(2) in area in Jiangxi Province,China. A good result was obtained.
使用流域尺度土壤和水资源管理模拟模型SWRRB(包括198个数学方程),对面积为579.3km2的江西潋水河流域的产水量、产沙量等自然过程进行了计算机模拟,获得了较好的模拟结果。
Impact of Land Use Change on Water Yield of Changwu Experimental Area in Loess Plateau
黄土高原长武试区土地利用变化对产水量的影响
Impact of land use change on the water yield of typical small watershed in gully region at loess plateau-A case study from Wangdonggou watershed in Changwu,Shaanxi Province
黄土高原沟壑区典型小流域土地利用变化对产水量的影响——以陕西省长武王东沟流域为例
For the fractured rock bodies penetrated by tunnel, the water yield is estimated less than 25 L/min per 10 m.
对于隧洞穿越的一般裂隙岩体,估计其每10m洞长出水量<25L/
This article presents respectively the relations between irrigation quota and slope of farmland,the water yield of a single well,and width of the border.
在对冬小麦田间灌水试验资料分析的基础上,建立了灌水定额与畦坡、单井出水量和畦宽的关系,并对灌水均匀度与单宽流量和畦长进行了相关分析。
This paper reports the esterification synthesis of tri
butyl citricate(TBC) under no catalyst, H
4, and solid super acid SO
The relationship between reaction conversion, water yield and reaction time is surveyed
The effects of initial molar ratio and catalyst quantity have been investigated and the optimum synthesis conditions have been found
对柠檬酸三丁酯 (TBC)的酯化体系进行了考察 ,分别在无催化剂、浓硫酸、自制固体超强酸催化剂SO4 2 -/TiO2 催化下 ,研究了柠檬酸三丁酯合成反应中酸转化率、出水量与反应时间的关系 ,并在固体超强酸催化剂催化下通过单因素实验对酸醇比、催化剂用量等酯化反应条件进行了优化。
Finally the prospecting demonstrated that in the borehole depth of 326-338m,a shattered fault zone was found and has a water yield of 270 tons per day,temperature 54℃.
经验证,该区在孔深326～338m见断裂破碎带,出水量270t/d,水温54℃。
The aguifer in Wuwei Yaowangquan geothermal field is late caledonian granite. Its
water quantity is great,water yield of per well 738～967m
武威药王泉地热田含水层为加里东晚期花岗岩 ,水量丰富 ,单井出水量 738～ 96 7m3 /d。
The water-bearing sand layer is l08.3 m below the surface,the depthof the well is 200. 22 m,the water yield is 300 m￣3/d.
含水砂层埋深108．3m，井深200．22m，涌水量300m￣3／d。
Study on Forecast method of Water Yield in Borehole of Loose Stratum
松散地层钻孔涌水量预报方法研究
Application of Electric Prospecting to the Prognosis of Water Yield of Loose Pored Aquifers in Changde City
电法勘探在常德市松散孔隙含水层中涌水量预测的应用
Discussion on the Method of Forecasting the Water Yield of BaiAn Tunnel in TianDe Railway
田德铁路百安隧道涌水量预测方法探讨
On Prediction of Gushing Water Yield in Mine Galleries
矿床坑道涌水量的预测
Mathematical model of water
yield potential of dryland crops on South Loess Plateau and its parameters revision.
黄土高原南部旱作水分产量潜势计算模型及其参数修正
The Fixed Position Study of Winter Wheat Water Yield Potential in the East Part of Weibei Rainred Highland
渭北旱原东部地区旱作冬小麦水分产量潜势定位试验研究
This paper suggests the rainfed winter wheat water yield potential,po-tentional coefficients and the laws of wheat growth and water requirement based on the field fixed position experiments in the years of ,thus providing some scienti-fic bases for working out food production targets and ways to achieve them and fixed po-sition experiment.
通过年3个年度田间定位试验结果，提出了渭北旱原东部地区旱作冬小麦水分产量潜势、潜势系数及其生长、需水规律等，为研究该地区制定粮食生产发展指标及其实现途径提供了定位试验的科学依据。
A mathematical model for calculating the water
yield potential of dryland crops is
established, and its
main parameters are revised. The methods for calculating crop water consumption and water revision coefficient are also put forward.
建立了旱作水分产量潜势计算模型 ,并对模型中的主要参数 (光能利用率、作物产量反应系数和作物系数等 )进行了修正 ,同时提出作物耗水量和水分订正系数等的估算方法 .
Based on the calculation, the water
yield potential of winter wheat is
and that of
spring maize is
.In addition,
the water condition of dryland is evaluated,which indicates that the east region of south loess plateau has a worse water condition and a greater yield
potential through irrigation.
冬小麦水分产量潜势为 530 0～ 630 0 kg· hm- 2 ,春玉米为 770 0～ 90 0 0 kg·hm- 2 .此外 ,本文还对农田水分条件进行了评价 ,指出黄土高原南部的东部地区水分条件较差 ,有较大的灌溉增产潜力 .
查询“water yield”译词为用户自定义的双语例句&&&&我想查看译文中含有：的双语例句
为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。&&&&&&&&&&&&&&&&&&&& It has been proved during practising of well drilling in Yuncheng area that the filter pipe of non-palm structure has many advantages, which can hold sand, allow water to seep, increase the water yield and the proportion of completion as well as lengthen the service life of wells. In designing non-palm filter pipe, different factors should be taken into account, such as the selection of filter material, the porosity and diameter of the pipe, and wrap spacing. Through the observation of the... &&&&&&&&&&&&通过运城地区水井的开凿,表明无棕结构的滤水管具有拦砂、滤水、增大出水量、提高成井率和延长水井寿命等优点。无棕滤水管的设计应当考虑多种影响因素:如滤料的选择、滤水管的孔隙率、滤水管的井径和缠丝间距等。对无棕滤水管工艺施工的水井的观测,井龄已满20年、井深140米的水井,其单位涌水量仍达6.14吨/小时·米,比采用有棕滤水管工艺施工的水井水量增大了93%,而且水质符合要求。&&&&&&&& According to the traditional leakage theory, this paper advanced a calculating formula for composition of well yield of the first leakage system. Through the living examples, the formula was checked by computers and the diagrams of relative curves were drawn.The formula shows. (1)The well yield of the first leakage system consists of the two parts the elastic storage of the aquifer and the leakage yield (2)These both feeder yields are chageable along with the cont... &&&&&&&&&&&&本文依据传统越流理论导出了第一类越流系统井涌水量组成计算式。通过实例对该式进行了机上验算,并绘制出了相关曲线。该式表明,第一类越流系统井涌水量由含水层弹性释放补给量和补给层越流补给量两部分组成;此两种补给量随抽水时间的延续而变化,前者逐渐减少,后者逐渐增大;含水层的导水系数、释水系数和弱透水层的渗透系数、厚度是影响井涌水量的两大重要因素。&&&&&&&& According to registered information of sediment ejection in the condition of low water level before three floods in Liujiaxia reservoir, analyzing the cause of evacuation and efficiency of sediment dischargeare caried. The paper mentions seeking for reasonable opportunity of sediment ejection, by using hydrological forcast and divides the period of sediment discharge into three stages: Preparing discharge, Flushing, and Strengthening. Preparing discharge stage: water level from the beginning fal... &&&&&&&&&&&&根据刘家峡水库三次汛前低水位排沙实测资料,分析冲刷成因,排沙效果,提出用水文预报寻求合理的排沙时机。将排沙期划分成预泄期、冲刷期和巩固期。预泄期由排沙初始水位降至1699m,流量1500m~3/s左右。冲删期水位由1699m降至1695m左右,流量采用2000m~3/s左右。预泄期和冲刷期应在流域产、汇流历时内完成,总历时约120～150小时。为了使排沙后洮河库区推移的床沙不在坝前淤积,应有一个较小流量的巩固期,其流量1200m~3/s左右,历时视上游来水、洮河来水来沙及发电等情况灵活掌握。&nbsp&&&&&&&&相关查询:
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大井法在矿坑涌水量预测中的应用
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