How to calculate the crystallinity of cellulose film?

27 February 2021 2,753 4 View

How does GROMACS calculate the average structure of proteins?

I want to get a average structure from a pdb file containing multiple models. I used the command below: gmx cluster -f input.pdb -s topol.tpr -cutoff 20 -method gromos -av GROMACS...

25 February 2021 6,314 1 View

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The regenerated cellulose film was prepared by zinc chloride/H2O system. The zinc chloride had been washed away in the regeneration process, and the wet film which was not dried had uniform...

18 February 2021 9,538 1 View

R/Python package for time-intensity or progressive profiling in sensory evaluation?

Hi I've been looking for a stat package for my sensory evaluation data (progressive profiled which is a multi-timepoint version of descriptive analysis). Is there any available one to...

08 February 2021 9,170 3 View

How can I make sure the simulation results of the water droplet impacting on the wall using the FLUENT agree with the experimental results?

Dear researchers, I am modeling the process of the water droplet impacting on the wall with a constant contact angle. The specific calculation parameters are as follows: The droplet diameter is...

24 January 2021 1,020 5 View

Mysterious line across SDS gel?

Does anyone have the similar issue? A line across the denature SDS gel shows up after staining with Coomassie blue and there are many lines in every lane if you take a closer look. This gel had 15...

07 January 2021 5,610 4 View

How can I calculate packing density of particles by fomulas or softwares?

I have all data of particles, such as size distribution, or numbers. Is there any way that I can calculate the packing density of these particles? Assume that all particles are circular.

05 January 2021 4,272 2 View

After cellulose is regenerated in water, a cellulose hydrogel is formed. I want to know if there is crystallinity inside the the hydrogel?

After cellulose is dissolved and regenerated in water, a regenerated cellulose hydrogel is formed. I want to know if there is crystallinity inside the hydrogel, or it will not crystallize until it...

04 January 2021 7,466 4 View

How can I fix the density of system in coarsed grain simulation?

In the process of obtaining the nonbond potential of the Coarse-grained(CG) model, I need to simulate the CG model mapped from the conformation of all atom(AA). AA simulation process is...

02 January 2021 3,643 1 View

How to export Mass and Stiffness matrices using Ansys Workbench?

Hello, I am trying to export Mass and Stiffness matrices using Ansys Workbench via Modal analysis modular, with APDL commands inserted. However, there is no .matrix file generated. Could anyone...

17 December 2020 1,196 5 View

How to size battery banks?

I am designing a small grid connected solar PV power-plant. As the battery's capacity is specified in Ah and demand in kWh. What is the best way to size the battery bank? I have battery price in...

28 February 2021 1,638 3 View

Can two EC50 values with different hill slopes be compared?

Hello, I fit a classical dose response curve Y=Bottom + (Top-Bottom)/(1+10^((LogEC-X)*HillSlope)) to my data (not related to inhibitors etc). The model I use is purely qualitative but it fits...

23 February 2021 8,155 5 View

Can I do two kinds of mixed method in explanatory research?

Dear distinguish professors and scholars, I have a research in measuring two kinds: think tank capacity and research impact on policy. Can I do two kinds of mixed methods in order to find, "Is...

20 February 2021 6,897 1 View

What is India's InternationalTrade Policy during Pendamic? How do you find the policy as successful one?

During Covid-19 Pendamic Government are facing problem to maintain business. India is one of them so this question is perfect to be discussed here.

08 February 2021 2,725 3 View

I am struggling with the concept of preprint papers and wonder how people feel about them?

Specifically, how should we use them given they have not been peer-reviewed? Should we rely on the results reported in pre-prints for policy? I am really probing for thoughts on whether...

04 February 2021 3,175 15 View

How to check normal distribution in a cell viability test?

To choose whether a parametric or a non-parametric test should be used to compare data on viability that emerge from an assay such as MTT, one should establish if the data are normally...

02 February 2021 1,733 4 View

Papers/studies on public policy and translation/implementation of global policy?

Hi all, I am looking for papers/books/studies related to changes in public policy, including theoretical papers, and on the translation/implementation of global policy onto the national level....

25 January 2021 2,242 7 View

Event study linear regression model using stata?

Dear all, I read previous posts about event study, but I still cannot find my starting point for coding my event study model in Stata. I really appreciate it if someone could help me with...

22 January 2021 6,885 8 View

Reliability of the model created by RSM (Response Surface Methodology)?

When you create a model with RSM, even if the R2 value is large and the result of the analysis of variance is significant, if you look at the individual explanatory variables, if there are many...

22 January 2021 454 1 View

How to calculate random forest manually?

17 January 2021 301 2 View