Back trajectory techniques in air pollution?

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Can one use the background concentration known soil samples in the calculation of EF of particulate matter pollution?

I wish to calculate the Enrichment Factor (EF) of particulate matter samples. Can I use the background concentration of soil for the calculation? Thanks Francis

07 August 2019 9,690 3 View

Is this not going beyond ones boundary?

Colleagues, I need your candid advise/opinion with regards to investing ones precious time. Does it make any sense for a chemist to invest his/her time in the compilation of plant, weed, shrub...

05 June 2019 1,120 4 View

What are relationship between enrichment and contamination Factors?

If a particulate matter or soil sample has a high enrichment factor (EF) is it possible for the sample to have a low contamination factor (CF)? Example From the calculations of a result, it was...

05 June 2019 1,847 8 View

How does Air pollution low-cost sensors work?

I want to monitor the air using low-cost sensors. Before buying, I want to find out how they work. Do they work independently or are they accessories to air detectors? What I mean is can they...

07 August 2018 4,661 2 View

Can you assist in the convertion of EDXRF concentration?

Elements in my PM samples were analyzed using EDXRF. The concentrations were obtained in cm2. Can anybody teach me how to convert to ug/m3 or ppm? Example Ar - 989.614 cm2 (this is the conc...

06 July 2018 8,132 2 View

Can anyone assist me with the free software of Statistica and R or any software that can draw excellent graphical representations?

I need to draw excellent graphs/charts from my data. Please I need assistance with free software for R/Statistical or any other excellent ones that I can use. I want my paper to be accepted in...

03 April 2018 2,149 5 View

Where can I get assistance for the determination of PAHs and BC of my air samples?

I have PM samples on which I wish to determine PAHs and BC. It would be appreciated if I can get researchers to collaborate with who will be willing to do the analyses. Please suggest...

02 March 2018 3,964 0 View

Protocols of determinations of PAH, EC and ions. Can anybody assist me on these?

Colleagues, I need to determine PAHs, Carbons and ions in my air samples. Can anybody assist me with the step by step protocols/methods? Thanks

02 March 2018 7,861 4 View

Do you know the differences between Technical Note and Manual?

Many journals accept manuscript submissions as Technical Note and Manual. What are the differences between the two terms?

06 July 2017 1,931 0 View

pH why not PH?

The pH of a solution is a measure of its ratio of hydrogen atoms to hydroxide radicals, which are molecules composed of one oxygen and one hydrogen atom. Why do we write it as pH why not PH?

05 June 2017 1,503 3 View

Are air moisture harvesting technologies effective in combating desertification?

Air moisture harvesting Air water collection devices

06 August 2024 5,473 2 View

How to report results of Generalised Linear Mixed Models in a journal article?

Hi everyone, If you have written or come across any papers where Generalised Linear Mixed Models are used to examine intervention (e.g., in mental health) efficacy, could you please share the...

04 August 2024 4,130 4 View

The question is how to use Wavenet transform?

HOW CAN I WRITE A CODE TO USE THE WAVENET TRANSFORM AS A FEATURE EXTRACTION METHOD INSTEAD OF DWT IN MATLAB?

03 August 2024 7,829 0 View

How to draw the five chelate rings of [Co(EDTA)]- on this picture?

Is this circle one of the rings?

03 August 2024 5,988 0 View

Why is nonpoint source pollution potentially more harmful and difference between point and nonpoint sources of water pollution?

01 August 2024 1,180 2 View

How do living organisms play a role in the water cycle and why is nonpoint source pollution potentially more harmful than point source pollution?

01 August 2024 7,061 2 View

How does nonpoint source pollution affect ocean environment & why point source pollution is often easier to manage than nonpoint source pollution?

How does nonpoint source pollution affect the ocean environment and why point source pollution is often easier to manage than nonpoint source pollution?

01 August 2024 8,014 2 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

How to make overlapping p-h diagram in EES?

I want to draw ph diagram using Engineering equation solver EES for refrigerant R134a and R1234fy and some other. I don't know how to draw the multiple ph diagram on same dome or overlapping to...

30 July 2024 647 7 View

PhD thesis topic?

I want to write a topic for my PhD thesis in hospitality (hotels), can u please suggest some variables

29 July 2024 9,058 3 View