Vertical air monitoring and relating with meteorological data ?

I have collected vertical air pollutant samples at three different heights close to the road. Meanwhile I observed meteorological data at one particular point i.e. above the building roof during...

31 December 2018 8,023 2 View

Air pollutant accumulated Filter paper preservation?

Usually the filter papers will be desiccated for 24 hr before and after ambient air pollutant sampling. As we encounter some error in weighing balance, we are unable to weigh the exposed air...

09 October 2018 6,253 6 View

What is daytime heating?

01 January 1970 2,823 0 View

How a species with high concentration contributes low % of species contribution and vice versa?

Source: EPA PMF User guide A graph for PM2.5 data was shown in practice exercise. Actually higher the conc. in total species will contribute higher %. How actually is the below condition...

01 January 1970 4,419 2 View

CALMET simulation query?

HiCan we simulate wind speed and temperature profiles for different heights from ground level using CALMET?

01 January 1970 5,972 4 View

How to compare data and show reliability of data?

I have observed PM2.5 and PM10 concentration for a particular site on alternate days for a period of 1 week. I wish to analyse the ratio of pollutants in that specific site. But as the...

01 January 1970 3,684 8 View

What does the grading in whatman filter paper signifies?

I find filter papers with various grades in glass fibre material like GF/A, GF/B, GF/C in whatman make. What does this grading signifies?

01 January 1970 2,922 2 View

How to draw Conditional probability Function (CPF) plot?

On refereeing few literature's, CPF is used to interpret the air pollutant concentration and wind direction to predict the source path to the receptor point. The formula with description contained...

01 January 1970 4,324 2 View

Tutorials for practicing HYSPLIT model?

I am doing my research on vertical atmospheric pollutant modelling near and far coastal area. In this regard to study the vertical wind profile I have decided to use HYSPLIT model. But I couldn't...

01 January 1970 3,242 7 View

Particulate matter - 12hr sampling data ?

As per the Indian and other standards, PM pollutants permissible limits are defined for 24hr and Annually. If the samples are collected for 12hr basis, can we use them for analysis and also will...

01 January 1970 5,647 4 View

Dear all, I was wondering if anyone knows whether MGLtools and Autodock can run on Mac OS?

I have tried to download the 64-bit version of MGLtools however, as many times as I have downloaded and uninstall the programs, an error arises that the app needs to be updated. Thank you.

03 March 2021 5,997 2 View

I got 02 moderator values defining Johnson-Neyman significance regions. Is it an error?

Hi everyone, I am conducting research for my Master's thesis. I am using PROCESS by Johnson-Neyman to analyze my Moderator model. I test the relationship between Public Service Motivation and...

03 March 2021 2,350 2 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Do I need to strip the PVDF membrane before staining it with colloidal gold?

Dear Colleagues, After running Western blot on PVDF membrane and detection using ECL, I would like to stain my PVDF with colloidal gold to be able to allign the ECL image with total proteins on...

02 March 2021 7,829 3 View

PACYC PCR not working after several attempts. Would anyone have any suggestions?

So, I have been trying to run a pACYC PCR which will be used later on for a Gibson Assembly. However the PCR is not working. I have already tried gradient PCR and changing extension time; however...

02 March 2021 1,146 2 View

What SPSS analysis should I run with one IV (with two levels) and two DVs?

Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...

01 March 2021 8,235 2 View

OpenBCI eeg--has anyone used them?

I'm looking to try out an off-the-shelf EEG set for some exploratory work. Curious if anyone has used the OpenBCI, and how much set-up work is required. I've heard they are more difficult to get...

01 March 2021 4,128 3 View

Is there any expert in Smart PLS who can help me?

Dear colleagues, I have a manuscript that needs an expert in smart PLS to run the analysis, Is there anyone expert and ready to help me, please?

01 March 2021 8,212 3 View

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 View

How to run Cross-lagged panel Design on AMOS?

25 February 2021 3,126 1 View