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

Not able to charge-discharge Li-ion coin cell at higher C rate ?

I am working on cathode material. I have made different Li-ion coin cell against Li metal using commercial available cathode materials such as LCO,LMO, LFP and NMC and also with the lab...

18 February 2021 1,450 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

How can I calculate convective heat transfer coefficient from turbulent boundary layer properties?

I know many textbooks include empirical relations between Nu, Re_x, and Pr inside a turbulent boundary layer on a flat wall. However, I want to directly calculate h from known boundary layer...

19 January 2021 1,294 3 View

Can any one suggest the name of Litchi insect/predator?

Is it a type of Ambush bug or what? Thanks

14 January 2021 9,381 3 View

How can I produce Alpha-monopropionin and Alpha-monobutyrin in lab scale?

I understand that glycerol should be reacted with propaoiocic acid to produce monopropionin and with butyric acid to produce monobutyrin , if you can help with the reaction conditions based on 1...

13 January 2021 1,151 4 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 to calculate enthalpy of formation of Polymers taking into account the terminal end groups?

I am trying to find methods for theoretical calculation of enthalpy of formation of Polymers. till now I have found the oligomeric method (Gaussian) which uses the extrapolation of results from...

05 February 2021 9,707 4 View

Where can I get these scientific reports?

Friend, can I ask you a question? Please, can you help me with the search for these pdf files that are scientific publications made in China? 1. Fengxing, Z., Zhizhen, G., Peiheng, C., Jinhua, M.,...

02 February 2021 6,261 5 View

Is it possible to calculate entalphy of LiBr/H2O or another solution if we know correlation of specific heat without using any software?

Is it possible to calculate entalphy of LiBr/H2O or another solution if we know correlation of specific heat without using any software?

17 January 2021 5,522 3 View

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04 January 2021 3,293 1 View

Strange exothermic bump to left side of PLA melting curve?

Hello everyone, I'd like to request your help regarding a strange phenomenon I noticed in some of my PLA samples. Between ~120-135 degrees C, a strange exothermic bump is seen in the second...

29 November 2020 4,964 4 View

How do I identify the glass transition temperature in a DSC thermogram and what does the unit mJ denote in a DSC thermogram?

I have DSC thermograms that have already being plotted. At specific points on the graph, values denoted as Integral in mJ, onset, peak and endset in oC are provided. While I understand that the...

03 April 2020 7,461 7 View

How can i determine the melting point, temperature dependent thermal conductivity and enthalpy of cast iron?

I want to simulate the solidification of cast iron during the sand casting process. so i need the non-linear property of the cast iron like enthalpy , thermal conductivity, density and melting...

17 March 2020 590 4 View

How binary solution models were derived from first-principle thermodynamics?

Raoultian and henrian models linearize some nonlinear parameter, regular solution model introduce an \alpha factor for thermodynamic activity coefficient. Is it possible to derive parameters of...

31 December 2019 7,552 4 View

How to analyze the different enthalpy values for different samples ?

11 December 2019 4,535 3 View

How can i find the value of reaction energy, enthalpy, entropy and gibbs free energy from the gaussian output file?

Here attached a gaussian output file-

09 December 2019 4,096 2 View