What are the basics of element (heavy metals) diffusion in marine sediments?

More Ahmed Saeed Mandour's questions See All

I have get this error when i calculated the geometrical optimization for prco3, it takes 12 hours until gives this message in the outputfile?

Fatal error in MPI_Allreduce: Other MPI error, error stack: MPI_Allreduce(1628)......: MPI_Allreduce(sbuf=000002459254A180, rbuf=000002459F86A140, count=4851, MPI_DOUBLE_COMPLEX, MPI_SUM,...

09 August 2024 7,615 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

How to enrich pig excreta for increasing nutrient quality organically ?

Pig slurry is rich in major and minor nutrients. Is there any way to improve / Enrich its manure quality to be used in agriculture organically ? please share your knowledge.

09 August 2024 5,605 2 View

Is it possible to plot the atom-projected band structure using GPAW?

Hi, I'm currently working on a project where I need to plot the atom-projected band structure using GPAW. I've been able to calculate the band structure for my material, but I'm having trouble...

07 August 2024 269 3 View

Unusual intensity drop in some sections of chromatograms in DDA?

Hi, we have measured tryptic peptides using both DDA and DIA method on QExactive. In DDA replicates i saw unusual intensity drops occurring at the same sections of chromatograms in DDA replicates...

07 August 2024 3,218 4 View

Leaf area of tomato ?

Hi How can this equation Ln(LA) = 1.038 + 0.89 ln(X) be applied to calculate the leaf area of a tomato? Can you explain with an example and what is the substitution of Ln and ln?

06 August 2024 2,508 2 View

Why did the authors extrapolate a phenotype that they experimentally proved in one bacterial strain across the whole genus of the organism?

I aim to be as skeptical as possible regarding whether a pair of orthologous genes results in the same phenotype in their different but related bacterial organisms under similar environmental...

05 August 2024 6,787 4 View

How to preform densitometry on SDS-page bands?

I ran a SDS-page of a bacterial lysate and I want to quantify protein concentration in a specific band. I was thinking of using a standards ladder or make some standards are different...

05 August 2024 9,805 3 View

How to set the environment variable for incorporating the GD3 dispersion in G16 for performing calculations using the OPBE functional?

I have incorporated the dispersion effect for the OPBE functional by specifying the S6, SR6 and S8 parameters for GD3 in Gaussian G09 package. For this purpose, I have defined the environment...

05 August 2024 1,494 2 View

XRD Analysis is showing only Calcium carbonate. It is not showing other compounds. Can anyone help me get the other compounds?

XRD Analysis is showing only Calcium carbonate. It is not showing other compounds. Can anyone help me get the other compounds

04 August 2024 3,019 3 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

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

How can I find access to heavy metal reference doses from the EPA and WHO websites?

Reference dose and Maximum acceptable concentrations HMs

03 August 2024 8,230 4 View

Given the current level of natural phenomena cause by the climate change and environmental pollution, will the AI find the technological solutions?

AI-driven technologies offer previously unheard-of capabilities to process enormous volumes of data, extract insightful knowledge and improve predictive models, according to the UN’s World...

31 July 2024 9,733 3 View

Is the black sediment consider as sand? If not, how can I filter it out?

Hi researchers! I'm working on soil texture analysis, and the end result for sand is doubtful because there is black sediment appearing after drying, as shown in the figure. Is it considered sand?...

30 July 2024 557 2 View

How can biogenic synthesis techniques be applied to develop plants capable of extracting and processing heavy metals from contaminated soil, and wha?

Understand how to utilize biosynthesis to develop natural and sustainable solutions to address heavy metal pollution and improve environmental and agricultural conditions.

26 July 2024 1,469 1 View

Why microbes are used in environmental engineering and role of microbes in reducing environmental pollution and improving environmental quality?

25 July 2024 5,192 5 View

Heavy Crude oil PVT Data?

Hello i need heavy oil PVT data having viscoisty of 2000-3000 cP. If someone have it or research papers about it, kindly share it with me Thanks

25 July 2024 6,940 1 View

Prevent sedimentation and maintain the suspension of powder particles in the resin ?

Hello, I am experiencing an issue with mixing micro powder with resin in a 3D printer. The problem is that sedimentation occurs after a short period (about half an hour to an hour). Could you...

23 July 2024 1,672 0 View

How can I measure arsenic concentration in a patient blood?

I intend to get an economical and accurate LAB TEST to measure arsenic concentration in blood sample.

23 July 2024 3,654 2 View

Vrajesh Patel

well mostly it depends upon the location you are working on. a lot study has been done in different marine zones.

i am sending youva paper just go through it. it might be helpfull to you.

Milad Soltani

Hello. Good time

I'm a book about the analysis of environmental data

I hope that can help.

Ahmed Saeed Mandour

Thank you all for the appreciated help

You're welcome dear ahmed.