標(biāo)題: Titlebook: Detection of Subsurface Flow Phenomena; Georg-Paul Merkler,Heinz Militzer,Josef Brauns Conference proceedings 1989 Springer-Verlag Berlin [打印本頁] 作者: 補(bǔ)給線 時間: 2025-3-21 17:16
書目名稱Detection of Subsurface Flow Phenomena影響因子(影響力)
書目名稱Detection of Subsurface Flow Phenomena影響因子(影響力)學(xué)科排名
書目名稱Detection of Subsurface Flow Phenomena網(wǎng)絡(luò)公開度
書目名稱Detection of Subsurface Flow Phenomena網(wǎng)絡(luò)公開度學(xué)科排名
書目名稱Detection of Subsurface Flow Phenomena被引頻次
書目名稱Detection of Subsurface Flow Phenomena被引頻次學(xué)科排名
書目名稱Detection of Subsurface Flow Phenomena年度引用
書目名稱Detection of Subsurface Flow Phenomena年度引用學(xué)科排名
書目名稱Detection of Subsurface Flow Phenomena讀者反饋
書目名稱Detection of Subsurface Flow Phenomena讀者反饋學(xué)科排名
作者: 柏樹 時間: 2025-3-21 23:20
0930-0317 etrical techniques as well as infrared imagery procedures are still under development in this field of application, but there already is much international experience available. The papers presented here give a good review of the international state of the art.978-3-540-51875-4978-3-540-46834-9Series ISSN 0930-0317 Series E-ISSN 1613-2580 作者: agitate 時間: 2025-3-22 00:39
https://doi.org/10.1007/978-3-319-47325-3t and to localize these leaks. The main object of the investigations was a large model dam (H=3.5 m, L=20 m, V=600 m.) in a huge open pit which was sealed with HDPE plates to form a watertight basin and an "impervious base" of the dam. The dam body was made of sand and had an upstream sealing face w作者: BINGE 時間: 2025-3-22 05:59
Maria C. DiFrancesco,Debra J. Ochoaoise, and use of appropriate data reduction techniques. Survey procedures that minimize movement of the base reference electrode and account for electrode drift and polarization help to reduce the effects of cumulative error. Input impedance of the measuring instrument must be considerably greater t作者: SCORE 時間: 2025-3-22 12:09 作者: 做作 時間: 2025-3-22 14:59
Bonnie R. Aronowitz,Joseph Feldschuhsion for the streaming potential..In the following years a number of scientists studied the phenomenon. BIKERMAN (1932) showed that each electric streaming potential causes an electric current in the contrary direction. SWARTZENDRUBER postulated in 1967 that this electric field tries to stop the str作者: 做作 時間: 2025-3-22 18:18
Introduction: Gender in Transitional Justiceduction current (required for the appearance of electric potential at the surface) are located at the air-earth interface for terrain-related self-potentials (SP). Induced current sources for SP generation by hydrothermal circulation are thought to be located at underground thermal interfaces which 作者: BADGE 時間: 2025-3-23 01:04 作者: 暫時中止 時間: 2025-3-23 02:25
Gender in the Post-Fordist Urbanced and represents a severe problem with regards to the noise contribution to streaming-potential measurements. In addition, the temperature coefficient is dependent on the state of humidity of the surrounding medium. An influence of evaporation could not be deduced from our experiments..Since chang作者: 幻影 時間: 2025-3-23 08:25 作者: 易碎 時間: 2025-3-23 10:51 作者: arsenal 時間: 2025-3-23 15:56 作者: 和諧 時間: 2025-3-23 19:48
Strategic Framework—Build Your Brandhange in the ion content. Geoelectric mapping is a well-established, simple, and inexpensive technique for observing areal distributions of apparent specific electrical resistivities. These are a composite result of the true resistivities in the underground, and with some additional information the 作者: 北京人起源 時間: 2025-3-24 00:39
Detection of Subsurface Flow Phenomena978-3-540-46834-9Series ISSN 0930-0317 Series E-ISSN 1613-2580 作者: 雄辯 時間: 2025-3-24 04:12 作者: indubitable 時間: 2025-3-24 08:46 作者: flourish 時間: 2025-3-24 13:19
Internetforschung aus GenderperspektivenThis paper presents some technical and theoretical aspects of the study on simplified models carried out to establish possibilities for determining the fluid flow within the soil by means of surface electric measurements.作者: chandel 時間: 2025-3-24 18:15
Mathematical models of self-potential fields (geoelectrical or geothermal) for detection of subsurfThis chapter offers some mathematical models for determination of self-potential fields (geoelectrical or geothermal) in media with an arbitrary distribution of conductivity. Furthermore, heterogeneity occurs in this media.作者: 運(yùn)動的我 時間: 2025-3-24 22:12 作者: canonical 時間: 2025-3-25 03:06
Aspects concerning the results of laboratory geoelectric measurements for the study of hydrogeologiThis paper presents some technical and theoretical aspects of the study on simplified models carried out to establish possibilities for determining the fluid flow within the soil by means of surface electric measurements.作者: 6Applepolish 時間: 2025-3-25 05:40 作者: 圍巾 時間: 2025-3-25 10:33 作者: cauda-equina 時間: 2025-3-25 13:25
Lecture Notes in Earth Scienceshttp://image.papertrans.cn/d/image/269242.jpg作者: lesion 時間: 2025-3-25 16:22 作者: Goblet-Cells 時間: 2025-3-25 21:53 作者: Magnificent 時間: 2025-3-26 01:16 作者: 異端 時間: 2025-3-26 06:35 作者: Grievance 時間: 2025-3-26 10:30
,TV-Duelle: Der H?hepunkt im Wahlkampf,ater or cement absorption proportions in the pressure-gauge boreholes, indicate an anisotropic system of water or cement pathways, especially in the statistical evaluation of the directions of self potential isolines. Use of this method may help to define the main water paths in fractured rocks and to determine the anisotropy of rock permeability.作者: 性別 時間: 2025-3-26 12:51
Self-potential measurements to determine preferred waterflow in fractured rocks,ater or cement absorption proportions in the pressure-gauge boreholes, indicate an anisotropic system of water or cement pathways, especially in the statistical evaluation of the directions of self potential isolines. Use of this method may help to define the main water paths in fractured rocks and to determine the anisotropy of rock permeability.作者: 蠟燭 時間: 2025-3-26 19:28
Conference proceedings 1989chniques as well as infrared imagery procedures are still under development in this field of application, but there already is much international experience available. The papers presented here give a good review of the international state of the art.作者: 五行打油詩 時間: 2025-3-27 00:25 作者: 先驅(qū) 時間: 2025-3-27 03:17 作者: Directed 時間: 2025-3-27 06:41
Strategic Framework—Build Your Brandt by supporting observations of conductivities in wells and geoelectric depth soundings. The method may be used to monitor the extent of groundwater contamination at a specific time as well as the change of a contamination plume with time, by carrying out repeated measurements. Examples for both are presented.作者: ABOUT 時間: 2025-3-27 09:35
Data quality for engineering self-potential surveys,g misinterpreted as anomalies generated by sources of interest. The use of a telluric current monitor to record time-varying potentials in the survey area, inspection of site plans, and careful field observation assist in noise source recognition. Magnetic or electromagnetic survey data also are helpful for detection of metallic noise sources.作者: stressors 時間: 2025-3-27 16:39
Geoelectrical mapping and groundwater contamination,t by supporting observations of conductivities in wells and geoelectric depth soundings. The method may be used to monitor the extent of groundwater contamination at a specific time as well as the change of a contamination plume with time, by carrying out repeated measurements. Examples for both are presented.作者: 蓋他為秘密 時間: 2025-3-27 18:12 作者: Genteel 時間: 2025-3-28 01:23
Data quality for engineering self-potential surveys,oise, and use of appropriate data reduction techniques. Survey procedures that minimize movement of the base reference electrode and account for electrode drift and polarization help to reduce the effects of cumulative error. Input impedance of the measuring instrument must be considerably greater t作者: abnegate 時間: 2025-3-28 03:20
Numerical modeling of self-potential anomalies due to leaky dams: Model and field examples,. however, is not well understood. In this paper we apply a two-dimensional computer-code to calculate self-potential anomalies for a model of a leaky dam and then apply the code to some field data for a dam site in the United States. Fluid flow and electrical current flow are coupled processes; tha作者: avarice 時間: 2025-3-28 06:22
Streaming potential in nature,sion for the streaming potential..In the following years a number of scientists studied the phenomenon. BIKERMAN (1932) showed that each electric streaming potential causes an electric current in the contrary direction. SWARTZENDRUBER postulated in 1967 that this electric field tries to stop the str作者: Platelet 時間: 2025-3-28 12:16 作者: Polydipsia 時間: 2025-3-28 17:05
Self-potential measurements to determine preferred waterflow in fractured rocks,ctrical self-potential measurements in connection with water pressure tests and grouting experiments in rock masses were carried out to determine preferred flow paths of water or cement in relation to the joint system..The self-potential measurements proved to be closely related to the amount of wat作者: Accomplish 時間: 2025-3-28 22:24 作者: 鴿子 時間: 2025-3-28 23:37
Long-term self-potential data acquisition and processing,ation of the leak causes a change in the self-potential anomalies, which is superposed by the effects of temperature and noise. Measurement of the self-potential anomalies was done at 40 different locations on the surface of the dam with the aid of unpolarizable electrodes. In addition to the self-p作者: 四牛在彎曲 時間: 2025-3-29 04:07 作者: 無法治愈 時間: 2025-3-29 10:08
Modelling of streaming potentials and thermometrical measurements at a big laboratory channel,neering and Research Institute (BAW), Karlsruhe, have been cooperating in large-scaled research concerning the hydraulics and geoelectrics in thermic fields, with special interest on the detection of leakages of dykes and dams..From 1984 to 1988 the Volkswagen Foundation supported a research project作者: Defraud 時間: 2025-3-29 12:01
Geoelectrical mapping and groundwater contamination,hange in the ion content. Geoelectric mapping is a well-established, simple, and inexpensive technique for observing areal distributions of apparent specific electrical resistivities. These are a composite result of the true resistivities in the underground, and with some additional information the 作者: Parallel 時間: 2025-3-29 16:03
https://doi.org/10.1007/978-3-319-47325-3mera was also installed and was used to observe the infrared thermo-reflection of the downstream face of the dam during the leakage tests..The tests showed that even small leaks in sealing faces can lead to considerable water losses and extensive percolations of embankment dams. Local infiltrations 作者: DECRY 時間: 2025-3-29 20:53 作者: 財產(chǎn) 時間: 2025-3-30 01:34
Bonnie R. Aronowitz,Joseph Feldschuhreaming potentials. Besides streaming water or soil solution, temperature differences or concentration differences etc. cause electric potential differences. Unpolarized electrodes must be used. A special device with calomel electrodes shows good results.作者: 有花 時間: 2025-3-30 04:22
https://doi.org/10.1007/978-3-322-80587-4ise ratio and the influence of drift effects, caused by oscillations of the temperature. The data processing consisted of interpolating gaps and smoothing peaks, Fourier analysis, digital filtering and noise reduction.作者: Respond 時間: 2025-3-30 11:31
Andreas Schnirch,Manuela Welzelrical streaming potentials measured..During the experiments carried out on the model, the actual water flow quantities were consistent with the water flow quantities calculated from the electric field..The empirically determined correlations between the electrical streaming potentials and the quanti作者: textile 時間: 2025-3-30 12:42 作者: 歡樂中國 時間: 2025-3-30 17:27
Effect of leaks in dams and trials to detect leakages by geophysikal means,mera was also installed and was used to observe the infrared thermo-reflection of the downstream face of the dam during the leakage tests..The tests showed that even small leaks in sealing faces can lead to considerable water losses and extensive percolations of embankment dams. Local infiltrations 作者: Genistein 時間: 2025-3-30 23:42
Numerical modeling of self-potential anomalies due to leaky dams: Model and field examples,features a leakage zone, a seepage area and an earthen dam structure with physical properties similar to the field case considered below. We consider examples where the depth of the leak, the variation of anomalies with flow path, and the effect of a change in rock type within the dam are examined. 作者: AIL 時間: 2025-3-31 03:53 作者: 潔凈 時間: 2025-3-31 05:07 作者: 北京人起源 時間: 2025-3-31 13:04
Model experiments on a small test channel. Empirical correlations between flow potentials and the hrical streaming potentials measured..During the experiments carried out on the model, the actual water flow quantities were consistent with the water flow quantities calculated from the electric field..The empirically determined correlations between the electrical streaming potentials and the quanti作者: Tinea-Capitis 時間: 2025-3-31 15:23
Modelling of streaming potentials and thermometrical measurements at a big laboratory channel,water discharge measuring sensor, 80 pressure transducers (piezometers), 20 electrodes of platinum, 25 electrodes of copper sulfate and five tensiometers were installed. All the sensors and electrodes were connected with an automatic PC-controlled scanner system..Several streaming tests were carried作者: remission 時間: 2025-3-31 20:22
The project of the volkswagen foundation "geoelectrics/thermometry",作者: 壓倒 時間: 2025-4-1 00:26 作者: Flatter 時間: 2025-4-1 04:58
Self-potential surveys on waste dumps theory and practice,作者: 袋鼠 時間: 2025-4-1 09:12
Copper-copper sulfate electrodes for self-potential and magnetotelluric measurements,作者: 悲痛 時間: 2025-4-1 10:33 作者: Aggressive 時間: 2025-4-1 15:22
Perturbed Fluorescence Spectroscopy thorough knowledge of Maxwell’s equations is not sufficient for repairing a television receiver. The situation is much the same with atoms, and if one really wants to know precise information about multielectron atoms it is necessary to resort to experiment.作者: 考得 時間: 2025-4-1 20:02
Cameron Cooper,Robert Kilmerraising uncomfortable questions about the process of evaluation. How can, and why should, a provocatively counter-canonical body of writing become organized into a new catalogue of achievement that threatens to blunt the disruptive and radical consequences of black writing for British literature? Is作者: inflame 時間: 2025-4-2 02:06
Myounggyu Won,Radu Stoleru,Harsha Chenji,Wei Zhangereby emerging sub-semilattice and that the implication set is restricted to meaningful implications. This is evaluated with respect to its associated knowledge by means of a classification task. Hence, our proposed technique strongly improves understandability while preserving important conceptual 作者: MUTED 時間: 2025-4-2 03:04 作者: 輕觸 時間: 2025-4-2 09:01
Book 2017rantwortliche in Unternehmen und deren Gestalter, die nach neuen Wegen suchen, wie Innovation, Eigenverantwortung, Fairness und Zusammenarbeit mit innerer überzeugung, Haltung und Sinnstiftung durch das Unternehmen verbunden werden kann.作者: Dna262 時間: 2025-4-2 14:13 作者: MERIT 時間: 2025-4-2 17:29
