Does anyone indicates a site or a book of "Meta-analysis for dummies"?

24 February 2021 2,755 4 View

Do you think the people can change his activity behavior just because have a chronic disease?

Along several years specialist study the physical activity, bur why not everybody meke changes.

03 December 2020 2,191 3 View

How to reproduce the sub-grade of pavements without using soil?

Dear colleagues, In order to evaluate the performance of concrete slabs-on-grade, the sub-grade should also be considered in the testing setup. Using soil or sand to reproduce the sub-grade is a...

20 November 2020 7,921 1 View

Bioinformatic tools to determine ploidy in microbial genomes?

Looking for tools with proved accuracy to detect ploidy levels in microbial whole-genomes.

14 October 2020 4,273 3 View

How can I determine which dye I'm dealing with?

I am currently analyzing the composition of an unknown solution. It is a blue dye solution, but there are an awful lot of blue dyes. I have already analyzed the UV-VIS spectrum, the wavelength is...

08 October 2020 4,651 4 View

How to protect intellectual property rights in the innovation process?

Not all companies have an R&D area or specialists that supply their need for knowledge and technology, and in this case, they seek solutions external to organizations, through specialists or...

21 September 2020 7,918 30 View

Help with ERROR: Lost atoms in LAMMPS?

Hi, i'm a physics student working in a project of materials science. I'm doing a simulation using LAMMPS. In this case, i have a problem with the error Lost atoms: original 60536 current 56624...

11 June 2020 6,433 4 View

What is the proper statistical test to check if a single time-series is different than a group of multiple time-series of the same variable?

Hello, I have a set of 21 time-series with weekly data of the same variable from years 2000 to 2020 (January to mid-May only). The figure illustrates those 21 time-series. I want to evaluate if...

25 May 2020 863 3 View

Has any one used Deep Learning to forecast fish catch prices?

22 May 2020 4,779 2 View

Can someone recommend papers regarding time course lignin accumulation?

I'm looking for information regarding the dinamic of lignin accumulation during in vitro culture of plants.

16 April 2020 3,699 5 View

Isolates of Hymenoscyphus fraxineus?

Dear Dr. Cai, my name is Simone Prospero and I work in the team of Phytopathology at the Swiss Federal Institute for Forest Snow and Landscape Research (WSL;...

01 March 2021 1,133 1 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

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

How to interpolate from a time-series database ?

Hi, I am having trouble with a problem, in the field of Optimal Control and the generation of optimal time-series. Let's consider a system, whose dynamics are represented by dx/dt =...

24 February 2021 9,105 2 View

Must a control group to be in the same semester that a experimental group for a study in education?

Hi everyone, I'm researching about mobile learning in higher education. Due to the small number of the students in the semesters, I cannot have a experimental and control group together. I'm...

22 February 2021 3,653 11 View

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View

Can I arbitrarily take a cycle number of 40 for the gene that was not expressed at all in qPCR results calculation?

I ran RT-qPCR for a control and a treated group and it appears that my gene of interest was not expressed at all in any of the subjects in the control group. So I was wondering if I could...

20 February 2021 6,243 10 View

How to overcome convergence issues in concrete arch models?

Hi, I have modelled a three-span arch bridge with soil fill over along with pedestals. The FE modelling is done in LUSAS with HX8M solid elements (i.e. 3D solid modelling). The non-linearity is...

20 February 2021 1,346 2 View

Where I can find materials to learn Fuzzy VIKOR methodology?

Please suggest ways to learn Fuzzy VIKOR methodology in a best possible way. And is there any toolkit available for the same? Thank you in advance.

20 February 2021 8,271 3 View