Do phenological stages matter to count individual numbers of plant species of alpine grass for species richness?

I have counted numbers of individual of different species which have divided into eight different phenological states. Now I want to calculate diversity indices, should I need to add all stages of...

10 November 2017 2,866 11 View

Why the result is different in R2 and R3?

Dear Dr Nesr Greetings!I tried to put my data in your excel format but there is still some problems. they are:1. Why R2 and R3 are zero and none respectively? But there is no problem in other...

09 October 2016 9,496 3 View

Can anyone know how do I fix the formula in excel sheets?

Dear all Greetings! B, C, D, E, F, G, H and I, have a percentage values in left side of attached table. The A is number of days which is common for all B to I. The right side table in yellow...

09 October 2016 8,371 13 View

How can I choose only near or equals to 10% and 90% of values within variables in same column in excel pivot table?

01 January 1970 1,304 6 View

Why I2 has more value than value available in D?

01 January 1970 2,872 2 View

Energy minimization in LAMMPS using NVT ?

How do I do energy minimization in lammps with NVT ensemble ? I am using the following command and it does not seem to work. It stops at extremely high energy and gives me the error zero search...

01 March 2021 2,294 3 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View

Can I download BibExcel for MacOs?

Hi everyone, I would like to ask how I can download BibExcel software for MacOs? There are some links which are supported by Windows but I could not find it for Mac. or is there any other software...

01 March 2021 652 1 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

Mediation path analysis - Can I run two seperate models?

I am wanting to run a serial mediation model with 2 x IVs, 2 x MVs, and 3 DPs (all continuous). Is it problematic to run 2 different models for each IV, keeping the MVs and DPs the same in each...

27 February 2021 5,681 3 View

How to increase solubility of Poly acrylic acid in Dioxane solvent?

I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...

25 February 2021 2,225 5 View

Anyone with some Transgenomic Wavemaker software? Seeking help from the chromatography community?

I am trying to seek out some Transgenomic Wavemaker software (happy to purchase a computer too) to operate a fraction collector. The only way to connect to the fraction collector so far is to...

23 February 2021 9,181 1 View

Why the CHi^2 is close to zero with a bad fitting but the Rp and Rwp are still high?

I am refining my XRD data using in FullProf program. The intensity of the modulated X-ray peaks is almost flat. I tried to adjust the peak intensities but unsuccessful. What is the reason? I guess...

23 February 2021 2,304 4 View

Best excel chart to compare algorithms' running time?

Hi I want to compare the running time of robotic path planning algorithms. The grid size is 8X8. I have 100 scenarios of start and goal positions.. Each scenario is run in three obstacles ratio...

22 February 2021 621 1 View

Physical-chemical formation of stalactites/stalagmites. what promotes the formation/growth of these structures?

I know, or think I do, the basic idea behind these natural structures, as from what I know they form due to water dripping from the top leaving a salt deposit behind. But started to wonder about...

22 February 2021 1,400 4 View