查询词典 aquifer

Based on simulated experiment research, this paper discussed the migration rules and transformation mechanism of nitrobenzene in aquifer under the condition of groundwater recharged by river.

本文通过室内模拟实验，探讨在河流入渗补给地下水的条件下，硝基苯在含水层中的迁移规律及其转化机理。

It is near to a confined aquifer or aquiferous fault, quicksand layer, gravel layer, karst cave or depressed pillar

接近承压含水层或者含水的断层、流砂层、砾石层、溶洞、陷落柱的

The author has analyzed the three aquiferous groups separately. Based on above these, Huanhe aquiferous group and Luohe aquiferous group, which distribute range wide, aquifer stratum thickly, natural resource abundantly, are the main aquiferous stratums to supply water of the meaning.

通过对这3大含水岩组分别进行了分析认为，洛河含水岩组和环河含水岩组分布范围广、含水层厚度大、天然资源丰富，是盆地区具供水意义的主要含水岩组。

The sewage purification system with soil aquifer treatment process can effectively remove carbonous , nitrogenous and phosphorous pollutants , and the purification mechanisms are also well understood .

土壤渗滤污水净化系统对碳，氮，磷都具有较强的净化效果，且净化机理也基本明确，但对其运行控制的研究比较少。

The surface of Kela 2 gas field is hills, stormed cracks and rivers; it's difficult to collect and process seismic data. Above the reservoir of interest is high and cliffy formation which has variable lithofacies and thickness, and has developed salt bed, gypsum, mud and hi pressure aquifer.

克拉2气田地表为山丘、冲沟及河流，地震资料录取和处理难度大；目的层以上为高陡地层，岩相、厚度变化大，盐层、石膏、软泥、高压水层发育；需要准确预测复杂地质层位深度以防漏、卡、溢、喷。

Based on hydrogeological data and groundwater chemical analysis data and the theory and methodologies of groundwater chemical dynamics in combination with limited pumping test data, some groundwater chemical index such as activity of component、mineral saturation index are calculated and some hydrogeological parameters such as hydraulic conductively,transmissibility,artual speed of groundwater、specific velocity and groundwater age are also calculated zonally.The above calculation results are beneficial to quantificationally recognize the local hydrogeological conditions and to attest that the confined aquifer of Taconic formation has good permeability and transmissibility and t good renewal ability because of the active groundwater movement.

依据已有水文地质和水质分析资料，运用地下水化学动力学理论和方法，通过水化学指标（组分活度α、矿物饱和指数β）的计算分析，结合有限的抽水试验资料，分区计算出渗透系数K、导水系数T、地下水实际流速U、渗透速度V和地下水年龄t等5项水文地质参数，定量的认识水文地质条件，认证了水源地泰康组承压含水层具有渗透性强、导水性强、地下水循环交替快、可更新能力强等特点。

The relation between the coseismic changes of water level and water temperature of artesion well has been analyzed by use of the coseismic data of Ms8.7 Sumatera earthquake and the structure information of well-aquifer system in the studied area. The physical model is established by simulating the changes of water temperature and water level of the well. The mechanism of coseismic response to distant earthquake in such artesian well is also revealed.

利用本溪自流井水位及水温对苏门答腊Ms8.7大震的同震响应资料，通过分析水位变化与水温变化的相互关系和研究区的井－含水层系统结构，建立了不同层位地下水混合的物理模型，并根据水位变化数据模拟出水温变化曲线，同时也揭示了同类型观测井水位与水温对远场大震的同震响应机理。

In order to solve the problems of dewatering and hydraulic connection among the multi-aquifer system in the excavation of the pits of the Dasi deep well gate and the lock gate,pumping tests were conducted in the field and the characteristics of groundwater transport in the ③_2 and ⑤ find sands were analyzed.

为了解决大寺深孔闸、船闸基坑开挖时的降排水工作及多层含水层的相互联通关系，我们进行了现场抽水试验，查明了拟建场地地基土③2层极细砂和⑤层极细砂的地下水运移特征，提出了基坑开挖应采取的排水措施。

The hydrochemical types of confined aquifer are simple, which mainly are HCO3-NaMgCa with low-mineralization.

承压水水化学类型比较单一，主要以低矿化度的HCO3-NaMgCa型为主。

The study indicates that sea water and brine intrusion processes have different hydrochemical features;and that ion exchange and absorption actions between water and aquifer produce great influence to the intrusion.

研究表明，现代海水、卤水在入侵过程中的地下水水化学特征有明显不同；地下水与含水岩层间的离子交换与离子吸附作用对咸水的地下入侵过程产生重要影响。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。