Results 21 to 30 of about 6,801,451 (249)
The groundwater tracer injection and withdrawal tests are often carried out for the determination of aquifer solute transport parameters. However, the parameter analyses encounter a great difficulty due to the radial flow nature and the variability of ...
Van Hoang Nguyen
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Perfluoro(Methylcyclohexane) Tracer Tagging Test and Demonstration [PDF]
On February 14 and 15, 2000, a demonstration of current perfluorocarbon tagging technology and the future potential of these methods was held at Oak Ridge National Laboratory (ORNL). The demonstration consisted of a brief technical discussion followed by
Sigman, M.E.
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Relevance. Rapid development of the methodology for conducting and interpreting the results of tracer studies, which requires systematization of data.
Vyacheslav V. Verzhbitsky +4 more
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Solute tracer tests are an established method for the characterization of flow and transport processes in fractured rock. Such tests are often monitored with borehole sensors which offer high temporal sampling and signal to noise ratio, but only limited ...
Peter-Lasse Giertzuch +5 more
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Exploration of suspected poorly sealed borehole based on comprehensive analysis method
A comprehensive analysis method combining pumping test and tracer test is adopted to investigate whether 73159 suspected poorly sealed borehole as artificial water conducting channel between Quaternary aquifer and mined-out area in Laogongyingzi mine ...
JI Yadong
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In recent years, to liberate coal resources from high pressure limestone water on the coal seam floor, North China Coalfields have generally adopted surface directional drilling technology to carry out regional grouting reinforcement and transformation ...
Yan GUO +12 more
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Samples Preparation of Breath Test 14C Tracer for Accelerator Mass Spectrometry
Carbon plays an important role in the metabolism of plants and human. Radiocarbon (14C) is an ideal tracer for vivo human metabolism, disease diagnosis and organ function assessment studies.
ZHANG Hui1,2;WANG Xiao-ming1;PANG Yi-jun1;ZHAO Qing-zhang1;CHEN Juan1;CHEN Bao-jun1;YANG Xian-lin1;HE Ming1;JIANG Shan
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Experimental Study on Solute Transport Characteristics of Filling Fracture Based on Self-potential
In order to describe the solute transport process and characteristics in the filling fracture, the solute transport test model of filling fracture was designed and manufactured.
Chunlu JIANG +4 more
doaj
ABSTRACT Background Adolescents with high‐risk cancer face complex developmental, psychosocial, and ethical challenges that extend beyond disease‐directed treatment. Although international recommendations exist for communication, psychosocial care, pediatric palliative care, survivorship, and shared decision‐making, these have largely evolved within ...
Johanna M. C. Blom +15 more
wiley +1 more source
This paper focuses on the study of the evolutionary mechanism governing the temperature field of geothermal reservoir under low-temperature tailwater reinjection conditions, which is crucial for the sustainable geothermal energy management.
Xin Wang +5 more
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