How do i get activated carbon under atmospheric condition?

Im looking for the procedure to activate the carbon under atmospheric condition. Because i dont have nitrogen gas or any other inert gas. Is there any other method can help me to activate the carbon?

24 November 2020 9,609 3 View

Does my laptop (AMD Ryzen 4300G with AMD Radeon Graphics) suitable for YASARA MD simulation?

My current laptop is Lenovo Flex 5, AMD Ryzen 4300G with AMD Radeon Graphics. I have just researched that most people recommended that Nvidia series of graphic cards but my budget can't allow me...

25 October 2020 4,777 3 View

Does plastic waste as fiber reinforcement added into NWC will increase/decrease modulus of elasticity and compressive strength of concrete?

I was trying to gather any research which related to my question

10 June 2020 6,498 1 View

What are the different real time scenarios where perturbations of the training set occurs and when it occurs?

14 March 2019 325 3 View

Image processing methodology for thesis , i have question?

Good Day! i have a question on my methodology design on my thesis. the general idea of the thesis is, acquiring a digital image of a fish and correlate generated transformation values which mine...

17 January 2019 2,128 6 View

My result from regression and Pearson correlation are different?

I have run my data with multiple regression and pearson correlation. The results are different such as variable LKQE (b=0.285 sig 0.017) in multiple regression while the result from correlation...

10 August 2018 5,257 5 View

My result from regression and Pearson correlation are different?

I have run my data with multiple regression and pearson correlation. The results are different such as variable LKQE (b=0.285 sig 0.017) in multiple regression while the result from correlation...

07 August 2018 7,914 5 View

Method to determine low cellulose concentrations (0.5-1.5%) in feed?

I'm looking for a method that is sensitive enough to measure dietary cellulose content of rat feed at 0.5% cellulose, and up to 1.5%. We have tried the ADF method and AOAC 991.43, the ADF was...

21 May 2018 2,237 1 View

Why the pH of xanthan gum in aqueous solution is 7 (neutral) when it has glucuronic and pyruvic acids in its chemical structure?

I find it pretty confusing since xanthan gum has both glucuronic and pyruvic acids in its chemical structure, it should release H+ ions upon solvation in an aqueous solution and make it acidic.

18 January 2018 9,190 2 View

Why are azo dyes strongly colored?

Electron-withdrawing constituents with pi electrons on the meta position of the benzene rings affect color significantly LESS than the same constitutnets on the ortho and para position. Why is...

17 July 2017 6,252 3 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

What is involved in morphological changes of SEM images of a substance?

In the sem analysis of CaCO3 nanaoparticles, the morphology images showed spherical shaped particles but the proposed morphology for these type of nanoparticles is trigonal. I prepared the...

01 March 2021 1,960 4 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

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

Can we use a compensation matrix with single staining that the negative population for each single staining is below zero?

Recently we used single staining to make a compensation matrix. But, for each single staining we saw that 13 to 25 percent of our negative population had been shown below Zero. In this situation...

21 February 2021 9,982 2 View

How to compare means of continuous data with zero-inflation and skew?

I have two groups (unpaired) of plant biomass measurements and want to know whether there is a test that can be used to determine statistical significance where assumptions are not violated. The...

18 February 2021 1,258 4 View

What does it mean if in mediation analysis the indirect effect is significant but is a larger b value than that of the direct effect?

I understand that for partial mediation to have occured the CI for the indirect effect must not cross zero and the b value for the indirect effect should be smaller than the b value for the direct...

14 February 2021 3,273 7 View

T-test and Mann-Whitney U test on groups with different sample sizes and variances?

Hello I have 2 groups with different sample sizes of (experts: 5 to 8) and (Users: 28 to 35) answering 21 questions on a 7 points Likert scale about the importance of some dimensions for...

31 January 2021 3,885 7 View

How nessesary is working point zero charges for any adesorbent?

How nessesary is working point zero charges for any adesorbent? I want to know how suitable the surface of the material is good for adsorption. I got SEM and FTIR results and thought those are...

30 January 2021 5,120 2 View

How to rotate an anisotropic stiffness matrix to an orthotropic matrix of cancellous bone?

Hi everyone, recently i have a question about how to calculate the orthotropic elastic matrix of cancellous bone cube. I really need the help!!!! I applied six stress states to the cancellous...

21 January 2021 9,143 2 View