I would like to conduct a research on the Impact of Facebook usage to the Character Building of Grade 10. What question/s do you suggest?

The study will be conducted to grade 10 students in the Philippines

17 July 2019 2,788 3 View

How extract information of molecular chains from .xtc file (gromacs)?

I barely discover Gromacs and I have to use it to study trajectory results, so I wanted to know if it was possible from an xtc file to generate several xtc files, one for each chain of the...

25 March 2019 2,945 5 View

No title

23 October 2016 5,023 3 View

Due to the drastic price reduction of PV modules, do you think high concentration PV systems are still cost-effective?

The price of PVmodule in about 15 years is 1/10, whereas the price of PV systems is halved [1], it implies that the impact of PV modules on the cost of the whole systems is decreasing more and...

08 November 2013 5,020 4 View

Does anyone have experience with XLSTAT Tukey test (one-way ANOVA results)?

Any reason why there is inconsistency between significant table (contrast) and grouping table (category) in the Tukey test?

02 September 2013 1,666 8 View

Is the reactivity of a functional group affected by the type of molecule that carries it?

Is there a possibility to predict or estimate the reactivity of an epoxy functional group, by means of a comparison whether it is bond to aromatic or aliphatic molecules, respectively?

30 August 2013 8,831 10 View

Protoplast storage conditions

Does anyone have an idea if maize protoplasts could be stored? If yes, do you know the conditions and the efficiency of the protoplast after storage?

11 July 2013 8,671 1 View

Opinions on the morphological changes of these cells.

These cells are from an osteosarcoma cell line. They have been treated with a chemotherapeutic agent for 72 hours in a Co2 incubator at a concentration which has been found to induce apoptosis and...

31 January 2013 8,336 26 View

How can I get an even spread of cells in a 24 well plate?

Does anyone else have an issue with evenly spreading cells in a 24 well plate? No matter how careful I am, the cells (MG-63) huddle mostly in the middle of the well in the outside wells of the...

20 November 2012 3,913 31 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

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

Does anyone know how to code a size distribution function in a dynamic model under gProms ?

More specifically, how to integrate the distribution function from zero to infinity at any time to solve a dynamic equation.

20 January 2021 6,994 3 View