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

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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

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

Your thoughts on the spherical densiometer to estimate relative species canopy cover?

Hi biologists and biogeomorphologists, I want to characterize vegetation plots on a transect that follows a successionnal gradient from a river bed to a mature forest. Ecologically, I am...

26 February 2021 5,720 2 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

Bayesian decision trees and bayesian regression trees in Python and/or R?

I am looking for implementation of bayesian decision trees and bayesian regression trees in Python and/or R.. Do you know if the existing libraries support this

23 February 2021 6,689 3 View

How to assure whether a regression tree overfit or not by seeing bias-variance value of the model?

Lets consider a regression tree in which variance is 1.1065*e-10 and bias is 2.962e-13. Also the model RMSE on training set is 1.5e-5 and on training set is 1.2950e-5. Is the model is overfit or...

22 February 2021 7,755 2 View

Which software is best to analyse multi-phase fluid flows ?

Hello everyone, hope all is good. I want to analyse multi-phase fluid flow through pipe, which software is best to do so ?

21 February 2021 4,230 8 View

Are cloud points able to identify tree species?

Hello Dears My goal is to classify dense forest tree species using drone images. Is it possible to classify dense cloud points? If yes, in what way and in what software? Thankful

15 February 2021 3,475 3 View

Can I use the Chlorophyll stability index (CSI) to calculate the stress potential of cyanobacteria that are under stress?

I want to calculate the stress potential of cyanobacterial cells that are inoculated with antagonistic bacteria. My results showed that there is a drastic reduction in the chlorophyll content of...

23 January 2021 331 3 View

Why and how to avoid negative values in optical density by spectrophotometry when measurements corrected by blank solvent?

I am trying to assess chlorophyll-a content from coral tissue using spectrophotometry (with SPECTROstar Nano, BMG). However, I always seem to obtain some negative values in my optical density raw...

20 January 2021 1,542 4 View