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

How to get the heading of real-time credit card dataset ?

I am working with the Credit card dataset. I am aware of the fact that the Banks and financial institutions do not share the dataset with third-party companies or researchers. I just need to know...

18 February 2021 9,186 3 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 model a graphite-bearing rock using Perplex (pseudosections)?

Dear all, I am struggling to model a rock which contains the assemblage K-white mica + Na-white mica + chlorite + quartz + graphite + rutile. I have followed step by step the tutorial available on...

22 November 2020 2,387 2 View

What are the Recent trends of research in Igenous Petrology, Geochemistry and Plate Tectonics?

Many a times the problem that we face during our Phd is repetitive research. It would be very helpful to know what are the very recent fields which are being worked upon by Geologists around the...

23 December 2019 9,689 9 View

What are the Recent trends of research in Igenous Petrology, Geochemistry and Plate Tectonics?

Many a times the problem that we face during our Phd is repetitive research. It would be very helpful to know what are the very recent fields which are being worked upon by Geologists around the...

11 December 2019 2,606 9 View

What is the alternative method to centrifugation to remove acid residues from sediments during carbonate removal process?

I am removing carbonates from clay and sand samples. So, I treat the sediments with H2O2. I need to wash the sediments to remove acid residues. I am thinking of heating the sediments with...

11 December 2019 2,658 6 View

What is the alternative method to centrifugation to remove acid residues from sediments during carbonate removal process?

I am removing carbonates from clay and sand samples. So, I treat the sediments with H2O2. I need to wash the sediments to remove acid residues. I am thinking of heating the sediments with...

06 December 2019 5,057 6 View

What method can be used to determine the P-T conditions of low temperature/pressure metamorphism?

If all known classical geotermobarometers does not work... :)

27 November 2019 2,109 8 View

USGS rock standard analyses no longer available?

I used to be able to check the accepted values for geochemical reference materials (e.g. AGV-2, DNC-1, W2a etc.) on the USGS website, but now the website no longer displays any of the necessary...

08 September 2019 7,460 0 View

Geological Map or Stratigraphic Map?

What is the conceptual difference between Geological Map and Stratigraphic Map?

11 August 2019 2,082 27 View

Geological Map or Stratigraphic Map?

What is the conceptual difference between Geological Map and Stratigraphic Map?

07 August 2019 2,107 26 View

Weathering rates of basalt dust vs. amorphous basalt fibers?

Hi all, The use of basalt rock-dust has been shown to benefit highly degraded tropical soils through remineralisation, however research into its use as a slow-release, sustainable fertilizer in...

05 June 2019 7,557 3 View