Polymer synthesis simulation - which software?

Hello, I am a synthetic polymer chemist. I would like to explore the simulation counterpart of my experimental work. Can anyone suggest a good software able to simulate polymerization reactions,...

04 February 2021 2,672 4 View

Error when simulate casting process with Procast software?

I am trying to simulate the casting process of a part with the Procast software. I have the following problem. When I want to run, I run into an error as you see in the picture above. Does anyone...

20 January 2021 2,544 2 View

No title

26 December 2020 1,951 3 View

Having issues understanding the particles/mL to molarity conversion, I've seen many different way but non of them seem to match one an the other?

I have 68nm spherical Au NPs, which gave me a concentration of 1.22 x 10^9 particles/mL. How can I calculate the molarity without the need for TEM?

22 November 2020 8,850 3 View

Any method to dye shells for photography without deteriorating them?

Hi, I need to dye bivalves to bring out the details of the shell and to be able to take good photos. I have heard that there is a gaseous compound that allows this and doesn't damage the samples,...

27 September 2020 1,864 4 View

Spatial PCA: How to interpret the amount of variance explained by each principal component?

Hey everyone, I hope someone can help me. Please! I've carried out a spatial PCA using the adegenet package in R, following Dr. Jombart's tutorial (i.e. NAs in data replaced to mean allele...

16 September 2020 952 4 View

How to solve xleap error?

It's the first time for me that I try to use ambertools, I installed AmberTools20 with conda (miniconda) now I don't understand how to load a PDB file in xleap I keep getting the same error, the...

16 August 2020 7,815 2 View

Reference style "Games for Health Journal"?

Does anybody knows if there is a reference style in Mendeley for "Games for Health Journal" ISSN 21617856, 2161783X?

09 July 2020 8,151 1 View

Machine learning methods for dynamical systems?

I am comparing different machine learning techniques for learning dynamical systems (e.g. a system of ordinary differential equations), and so far I've used Long-Short-Term Memory Networks (LSTM)...

29 June 2020 3,633 5 View

Negative UV-VIS value in gold nanorods?

Hi! I was synthesizing some gold nanorods. What's interesting is, that in one of my trials a negative value in the UV-VIS (around 630nm) was obtained. How is that possible? Also, it was done by...

20 April 2020 9,570 5 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View