A way/technique to reduce crystal violet (gentian violet) in a large volume of tap water ?

Hello, I would like to know if there is a way/technique to filter/reduce crystal violet (gentian violet) in a large volume of tap water? The volumes of rinsing water are huge. I would like to...

07 January 2021 5,000 2 View

Why does spectral binning in CHENOMX seem to ignore the spectra baseline?

I am new to NMR analysis. What I wish to do is an untargeted approach (i.e. no compound identification), using standardized spectral binning. This should be possible and in theory pretty...

19 November 2019 9,402 3 View

What contamination do you think it can be ?

Hello everybody, I am working in cell culture of normal human dermal fibroblasts and I face a new challenge : detachment and death of the cells are occuring for almost all of my different...

01 October 2019 6,605 3 View

How did Torrance build the flexibility categories and zero originality answers in the TTCT ?

We would like to understand the rationale behind the flexibility categories and zero originality answers creation for the verbal tasks of the Torrance Test of Creative Thinking. What was the...

03 March 2019 9,209 1 View

When is a standard deviation considered as high?

Hi! I have small samples of scores (n= 9 for one group and n=4 for the other group) and I am working with means. In order to be more precise, I would like to use the standard deviation measure....

26 July 2017 5,179 17 View

Which is the best method to collect hemolymph from bumblebees in the field?

03 May 2017 1,817 2 View

How to solve convergence issues with NMDS (metaMDS function in r)?

Hi, I am analyzing proportions of volatile compounds in floral scent, by using metaMDS function in r (vegan) but the analysis does not converge. I have tried to increase the number of tries with...

21 November 2016 2,818 3 View

Does a Percoll gradient have to be calcium free?

We are trying to separate tubular cells from mouse cortical kidney using a Percoll gradient without success. The isotonic solution we are using contains 2.5 mM CaCl2. Someone told me that Percoll...

06 April 2015 3,938 3 View

How to analyze a particular region of my simulation box in GROMACS?

Hi, I am using GROMACS 5.1.4 to simulate water in contact with a surface. I am only interested to calculate some properties of water near the surface. Let's say at a distance of x nm from the...

03 March 2021 9,989 2 View

How to get onecolumn document from standard IEEE ACCESS LateX template?

I have prepared a manuscript in IEEE Latex template, but for some purpose, I need to prepare a word file as well (detailed format is not required). Compared to two column .tex file, one column...

02 March 2021 1,830 3 View

How can the modification of garden soil cause global warming?

Hello, I am working on a soil project and I found a primary research article that tests how the modification of agricultural soil can cause global warming, using a thermal collector, however I...

02 March 2021 7,161 3 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View

Does anyone know to clarify these changes?

01 March 2021 1,290 2 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

How to prevent ANFIS Model from negative prediction values in MATLAB?

I have input and output data set for "ANFIS modeling in MATLAB", and I am getting some negative predicted values of output in testing. However, the predicted values of output in training are...

28 February 2021 3,459 3 View

How can I convert .vesta file to a .cif file?

I've used the "export data" option in Vesta software to convert my unit cell into a cif file however when I use that cif in atomsk it shows error such as "can't read the position of atom 0". If I...

28 February 2021 4,966 3 View

How can we use a hybrid element in Abaqus Dynamic/Explicit for impressible materials?

Hi, all! How can we use a hybrid element in Abaqus Dynamic/Explicit for impressible materials? I have not find the choice for explicit element in Abaqus CAE. I am wondering whether it is possible...

25 February 2021 9,936 2 View