How to estimate groundwater residence time using radium isotopes ?

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What are the Methods of Albert Chaboche in fatigue of metals?

Albert Chaboche is a renowned French engineer and scientist known for his significant contributions to the field of material modeling, specifically in the context of fatigue and damage in metals....

25 January 2024 2,512 1 View

How long will international silence remain over the massacres against civilians in Gaza?

What is the role of Chapters Six and Seven of the United Nations Charter regarding human rights violations in Gaza?! Aren't the war crimes committed against civilians in Gaza a threat to...

01 November 2023 427 0 View

How to open a file '.mat' in OPAL-RT?

I whould like to know how to load a file '.mat' in OPAL-RT for a real time simulation. Thanks

28 August 2023 3,879 0 View

Using NetpathXL to calculate 14C age with Ham and Plummer adjustment model (2013)?

Dear colleagues I need to calculate the age of 14C groundwater using Ham and Plummer adjustment model (2013) So, I’m looking for some software, even Matlab code or Excel sheet, that I can use for...

30 May 2023 8,342 0 View

Chikhaoui, M., 1974. Les Ignimbrites et les roches basiques du Précambrien supérieur des Monts d’Ougarta (Saoura).Thèse de 3ème Cycle, , Université, ?

Bonjour, je suis doctorant je travaille sur la région de la Saoura, j'aimerai bien avoir la thèse de Chikhaoui? Merci.

28 May 2023 8,214 0 View

Which pore forms are better in the material to improve its thermal insulation?

It is known that pores directly and significantly affect the thermal insulation of materials ,these pores are different shapes, and of necessity, this difference in their shapes affects the...

23 May 2023 7,922 2 View

How i simulate a Solar Chimney Power Plan in Comsol ?

I tried to simulate a Solar Chimney Power Plant (SCPP). I have two exemples , one with laminar flow and the other with turbulent flow, but they both work with Comsol 4.2. However, when I try to...

21 February 2023 649 0 View

How i choose an appropriate fluids to simulation a Solar Chimney Power Plant in Comsol ?

Hello everyone, hope you're doing well. I'm trying to simulate a Solar Chimney Power Plant in Comsol, and I'm a beginner in Comsol. If you can anyone send me an example to simulation of Solar...

14 February 2023 4,651 2 View

How is the relation between density and specific heat?

It is known that the relation between material density and its thermal conductivity is a Positive relation, is the relation between density and specific heat, regular?

06 January 2023 6,428 3 View

How implement fuzzy logic controler in Matlab function ?

I used the mamfis but had the folowing error The 'mamfis' class does not support code generation.

12 December 2022 6,644 2 View

How does grey - water harvesting improve the ground water table and what would happen if we use up ground water faster than rainwater can add to it?

21 July 2024 8,438 2 View

How does rainwater harvesting increase the groundwater levels and recharging of groundwater by making the rainwater to populate into the soil?

21 July 2024 4,032 2 View

What is the behavior of anaerobic bacteria in deep salty groundwater ?

What is the behavior of anaerobic bacteria in deep salty groundwater with high level of chlorine? Is the nitrate level deceasing and is denitrification controlled by excess chlorine? Thanks

13 July 2024 1,581 4 View

Is bacteriological activity in deep sandy groundwater proportional to the nitrate level knowing that O2 is limited?

The recharge of deep sandy groundwater is slow. Does the high level of nitrate promote bacteriological activity knowing that it requires a high level of O2? Thanks

10 July 2024 9,883 5 View

Which river basin has lowest total replenishable groundwater resources &utilization of irrigation potential created lags behind potential created why?

Which river basin has the lowest total replenishable groundwater resources and utilization of irrigation potential created lags behind the potential created what are the reasons?

03 July 2024 9,638 0 View

Collecting/storing plant stable isotope samples?

Hello! I am planning to collect plant leaf samples for stable isotope analysis. I will be collecting them from the field and storing fresh tissue on ice. I have heard that bringing along a food...

01 July 2024 9,125 1 View

How to properly label fish feed pellets with stable isotopes for tracing C and N flow?

Hi, I´d like to trace the C and N flow in a recirculating aquaculture system by labelling the fish feed with concentrated stable isotopes. From a supplier, I found a product ouf of algae lysate...

19 June 2024 746 0 View

How do I calculate endogenous peptide using Isotope Dilution Mass Spectrometry (IDMS)?

Dear Researchers, I'm trying to develop the quantification of endogenous peptide in tissue using IDMS as the primary method of characterization. I performed analysis for the calibration curve of...

17 June 2024 9,797 0 View

How to distinguish the origin of sulfides in subduction zone interface rocks?

If we find sulfides in subduction zone interface rocks, how can we distinguish whether these sulfides are related to crust-derived fluids or originate from the original mantle wedge? Especially...

15 June 2024 654 1 View

In a water balance computation, Which is better to use GETFLOWS or FEFLOW Model?

I mean in surface, evapotranspiration and groundwater interaction

04 June 2024 9,478 0 View