Can anybody tell me how to get a tutorial about the software called Worldwide Engine for Simulation and Training (WEST)?

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How to prevent an algal culture in liquide media from deshydratation?

While conducting an arthrospira plantensis' culture in the laboratory for thirty days, in small culrure vessels of one liter each, using light intensity of 203 µmol.m-2.s-1 we noticed an...

06 November 2019 1,327 2 View

Concrete database - Concrete experimental data ?

Hello, Does anybody have any experimental datas or concretes/mortars mix database to share. I am conducting an experimental study on concrete performances. Your help will be highly...

04 November 2019 2,730 3 View

What is the best BOD/N/P ratio for heterotrophic baterial's growth?

Stoichiometric limitation is well known in bacterial growth systems and must be taken into account while characterising an industrial effluent. I'm looking for papers that are related to that...

22 November 2018 7,768 4 View

Is there an admissible value for phytoplankton chla-carbon ratio?

In order to perform a simulation test, I first need to convert the values of algal biomass expressed as micrograms of chlorophyll a per liter found in the literature, in algae dry weight and...

09 August 2014 1,812 8 View

Is there a best practice for estimating the construction cost of waste water treatment ponds?

The soil I’m dealing with is sandy and ponds' surfaces are quite enormous 10 hectares so that, etancheification cost will be important. In this kind of situation what is the best way to estimate...

10 July 2014 7,194 2 View

What is the best way to collect zooplankton in a lagoon for valorization purposes in fish production systems? What is its cost?

Barnabas (1980) proposed a system for collecting zooplankton in lagoons using autonomous and stationary devices, for which I tried to estimate the cost of installation, but would there be another...

11 June 2014 5,996 1 View

How can I measure the stoichiometric parameters for zooplankton’s mortality in RWQM1?

Does anybody know methods to measure mortality stoichiometric parameters in zooplankton in an RWQM1 model?

02 June 2014 3,685 2 View

Are stoichiometric coefficients determined on a unit mass (1g) or unit COD (1g COD) basis for their presentation in the petersen matrix?

By calculating the stoichiometric coefficients of a given process using the law of atoms and charges conservation, I found high values (323) for some stoichiometric coefficients while I...

27 April 2014 354 1 View

How can I write a sum kinetic model with interaction parameter (SKIP) associating monod type kinetic model and Edwards type kinetic model?

While studying the microbial biodegradation kinetic on a mixture of two substrates, I found that the first substrate biodegradation kinetic is well described with the Monod-type kinetic model and...

07 April 2014 8,454 2 View

How can I distinctly measure the biomass (g dry weight/liter) of cyanobacteria and algae?

I'm trying to develop a mathematical model of biochemical conversion in which I would like to estimate relative contributions of algae and cyanobacteria biomasses (g dry weight / liter weight) in...

04 March 2014 4,194 2 View

• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,723 1 View

Handling Missing Data and Building a Predictive Model with Incomplete Information ?

I am developing a predictive model for a water supply network that involves 20 influencing points. However, I only have historical data for 10 out of these 20 points. I would like to know how to...

10 August 2024 4,005 2 View

Geotechnical Engineering (Proceedings of the ICE) time review?

Hello everyone, I recently submitted an article to Geotechnical Engineering (Proceedings of the ICE), and the current status has been listed as "EiC Pre-assessment: Ready" for the past 20 days. I...

10 August 2024 6,493 1 View

Why Do TDS and EC Increase with Larger Wastewater Volumes, While BOD and COD Decrease?

I have carried out MFC experiments on three different volumes, 50, 500 and 1000 mL of wastewater. Results after MFC treatment shows that TDS and EC are more in larger volumes of water i.e. TDS and...

09 August 2024 9,621 0 View

Do interactions between biosphere, carbon cycle, & water cycle impact global warming & interaction between atmosphere & hydrosphere?

How do interactions between the biosphere, the carbon cycle, and the water cycle impact global warming and interaction between the atmosphere and the hydrosphere?

09 August 2024 3,291 2 View

Is it true that $\det(V(A))$ may be only $\pm 1$, depending on $n$, for the last symmetric tridiagonal matrix $A$?

One can try to generalize the Vandermonde determinant in the following direction: Let $A$ be any symmetric $n$-order square matrix. Consider its powers' diagonal elements $(A^k)_{ii}$ and...

08 August 2024 6,690 1 View

How to prepare the nanoparticle treated fungal sample for Environmental SEM analysis?

A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.

07 August 2024 5,307 1 View

Low-yield gel extraction problem?

I am having an issue with my gel image where my PCR product is not appearing very bright on the gel. When I perform gel extraction, the A260/280 purity value is very low. I used the Qiagen gel...

05 August 2024 9,798 3 View

Could dyes amplify the spectrum of light to a specific wavelength?

I am interested to know the behavior of dyes toward light. Specifically, Blue dyes re-emit the spectrum, especially from the green zone (known as principal in LED lamps, and blue dyes are known...

05 August 2024 3,290 1 View

How to Add Missing Water Molecules in Protein-Membrane Simulations?

I have protein-membrane simulations (PDB, PSF, DCD) and have noticed that water molecules near the protein are not visible in the simulations. How can I fix this issue? Is there a way to place the...

04 August 2024 1,200 2 View