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depth of water相关的网络例句

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Tsunami waves are long waves of gravity, the wavelength of up to 100 kilometers above; its velocity equal to the acceleration due to gravity (9.8 m / s) and the product of the square root of water depth, so the deeper the water, the faster the tsunami wave, the more shallow water , the slower the speed of tsunami waves.

海啸波是重力长波,波长可达100公里以上;它的传播速度等于重力加速度(9.8米/秒)与海水深度乘积的平方根,所以,海水越深,海啸波速度越快,海水越浅,海啸波速度越慢。

Based on the data in 1996-2006 in Zhangjiakou region, the change trends of the temperature, precipitation, runoff depth and burying depth of the ground water were statistically analyzed.

利用统计分析方法,对张家口1960-2006年的气温、降水量、径流深和地下水埋深等变化趋势进行分析。

On the basis of introducing the working principle and characters of newly made Gas Holdup Tool, the usage of GHT in detecting the gas well production performance is analyzed. Methods are provided for analyzing fluid property, flow status and judging water carriage in gas wells by integrating the logging data obtained from traditional densimeter and the new GHT. Based on the characters of different depth in water carried gas wells, a model is established for interpreting the water-carried gas wells.

在介绍新的持气率计测量原理和特点的基础上,分析了持气率计在气井生产动态监测中主要用途,提出了综合传统密度计和新型持气率计测井资料分析井下流体性质、流动状况及判断气井载水的方法;根据载水气井不同深度段的特点,提出了载水气井的解释模型。

The average depth of erosion on gritstone for cavitation water jets is 2 times as much as common water jets, and its mass erosion is 7 times as much as common water jets, and its diameter of erosion is 2.3 times as much as common water jets.

对于含有空泡的磨料射流,围压增加空化噪音减少,泵压增加空化噪音增加;有效靶距直径比增加,对花岗岩的冲蚀深度与冲蚀质量存在一最优有效靶距直径比;在最佳冲蚀时间下,较纯水空化射流工作效率提高2倍。

The study probe into at when extreme rainfall happenning incident research purpose department on city, estimate its flow of flood crest to defend and provide disaster relief the reference carried on the exercise of in follow-up ; While estimating the the depth of extreme rainfall , use separately: World Meteological Organization statistic method, storm transposition and dew point adjustment method and average recurrence interval rainfall depth factor method, inquire into and act as river valley wutu the upper reaches of Keelung and collect in the water area separately, wutu station with flood-diversion stands in the Huo-Shao-Liao station before Yuan-Shan-Tzu flood-diversion, the depth when the extreme rainfall happens separately, step forward and mix the set of design hyetograph by extreme rainfall ,finally,mix geomorphologic instantaneous unit hydrograph afterwards, in order to estimate the flow of flood crest produced cause by extreme rainfall incident .

本文之研究目的系探讨当极端暴雨事件发生於都会区时,推估其洪峰流量以作为后续防救灾演练之参考。在推估极端暴雨之降雨深度时,分别采用:世界气象组织统计法、暴雨移置与露点调整法及平均重现期距雨量因子法,分别推求当基隆河流域五堵上游集水区,员山子分洪前之火烧寮站与分洪后之五堵站,分别发生极端暴雨时之雨量,进一步将极端暴雨量套配设计雨型,最后再搭配地貌型瞬时单位历线模式,以推估因发生极端暴雨事件而产生之洪峰流量。

In this study, we select 4 factors: depth ahead water-front, stability of water-front, extensity rear water-front on land, water-front's traffic settings and cities supporting, upon which the indices system for evaluating the exploration conditions of water-front resources is built. And then, in term of this system and by employing GIS and mathematic methods, the waterfront from Jiujiang to Xinji Towhead section along the Yangtze River is evaluated.

选择九江-新济洲段长江干流为研究区域,该文在进一步扩展长江岸线资源研究的区域范围的同时,通过建立包括岸前水深、岸线稳定性、岸线陆域宽度、岸线集疏运条件和岸线城市依托条件为主要评价因子的指标体系,运用GIS手段和定量方法,探索了长江岸线资源的开发条件评价。

A mass of experiments validated that exploitation and rational utilization of saline shallow groundwater, declining the water level to an optimal depth to reducing water invalid evaporation can increase amount of water resources and storage capacity of aquifer, prevent waterlogging or drought, improve groundwater salinity and control the process of soil salination, improve the eco-environment, alleviate the threat for the resource of fresh water.

大量的实验证明,合理开发利用浅层咸水,使咸水水位降低到合理水平,可以:避免地下水的无效蒸发,增加水资源量;增强调蓄能力和抗早防涝能力;促进浅层咸水淡化,改造盐碱地,改善生态环境;减轻对淡水资源的威胁。

Jiangxi Provincial Water Resources Department Director of SUN Xiao-shan traveled to the shore of Poyang Lake is located in Xingzi County, Jiangxi Province, Poyang Lake Water Environment Monitoring Center held a forum to seriously listen to Provincial Hydrological Bureau and the Poyang Lake Hydrographic Office person in charge on a comprehensive work program to carry out the Poyang Lake water quality monitoring reports, etc., and discussions with relevant experts to listen to opinions and suggestions, but also by boat in-depth Pan Yang Lake, examining Duchang County hydrological stations, hydrological stations, and Tong Yam DUCHANG COUNTY Kornhill hydrological station, a cordial call on the fighting in the first line of grass-roots hydrological workers to understand the grass-roots hydrological conditions and water quality monitoring of workers and staff to carry out work of a comprehensive program of work on the elaboration of a comprehensive monitoring of water quality of Poyang Lake launched to promote the Poyang Lake water and water environment protection.

9 17,江西省水利厅主任孙晓山奔波于鄱阳湖滨,是在星子县,位于江西省,鄱阳湖水环境监测中心召开座谈会,认真听取省水文局和鄱阳湖水文局负责人就一项全面的工作计划,开展鄱阳湖水质监测报告等,并与有关专家讨论,听取意见和建议,而且还乘船深入Pan杨拉珂,研究都昌县水文站,水文站,与棠荫都昌县康山水文站,就在基层第一线战斗的基层水文职工亲切看望,了解基层水文条件和水的质量监测和工人工作人员进行了一对鄱阳湖水质量综合监测制定一项全面的工作方案开展工作,促进鄱阳湖水资源和水环境的保护。07.9.24

This study choose Changle Gaoya reservoir irrigation areas as the study sites, through the installation of different ultrasonic equipment on open channel of non-uniform flow to study the flow gauging of non-uniform flow in open channel:(1)5 tracks ultrasonic open channel flow meter used to real-time monitoring the flow of velocity ,water depth and discharge;(2)Ultrasonic liquid level gauge used to real-time measure the upper level and tail level of the two sections ,then the computer calculated average water level, gradient of water table and discharge;(3)Change the open channel water conveyance into pipeline full flow water conveyance, installed the ultrasonic liquid level gauge and pipe flow gauge on the inflow point and surface of pipe, water level and discharge would detect in real time.

本研究以山东省昌乐县高崖水库灌区为研究地点,通过安装在灌溉明渠上的不同超声波设备对明渠非均匀流的测流进行了研究:(1)用五声波超声波明渠流量计对测流渠段的流速、水深及流量进行了实时监测;(2)用超声波液位计将测流渠段的上下游两断面水位实时测出,再用计算机分时段算出平均水位、水面坡降及流量;(3)将测流渠段明渠输水改造成管道满流输水,分别在管道进口前及管管上安装超声波液位计和管道式流量计,将水位和流量实时测出。

It was shown that coal seam floor failure depth of working face 2121 was 32.5 to 5 m, approximately three times as deep as that of shallow working face(in genera l,9.15 to 12.0 m). Coal seam floor failure depth increased with mining depth. Potential risk of water inrush through coal seam floor of working face 2121 is much higher for deep mining than for shallow mining.

试验结果表明:该工作面底板破坏深度为32.5~35 m,比300 m采深以内的工作面实测深度(9.15~ 12.0 m)增加2倍以上,说明随着开采深度的增加,煤层底板采动破坏深度呈明显增大的趋势,因此,在水压和破坏深度二者同时增加的条件下,2121工作面深部煤层开采的突水危险性远远大于浅部煤层。

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Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

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