Any suggestion of free of charge questionnaires that measure mood states?

I need a free of charge and short questionnaire that measures mood states. The questionnaire will be used as in a neuropsychological evaluation study. It is well known that mood states can...

16 January 2021 8,284 4 View

What is the sensitivity of SHM technique based on electromechanical impedance method to identify a crack in a concrete beam?

The sensitivity of the technique is important to know how to identify the appearance of cracks

17 August 2020 4,156 9 View

How do I reduce basal phosphorylation in PBMCs for phosphoFlow detection?

I'm measuring the phosphorylation status of different proteins (e.g. NFKB, ERK, AKT1, p38 etc) using phosphoflow cytometry. The protocol for surface and intracellular staining works well, all the...

22 July 2020 3,233 8 View

Is a Wilcoxon paired test correct for my case?

We're working with the lovely garden eels: snake-like fishes that live in big colonies, attached to the sandy sea bottom. They feed on plankton and hide in their burrows whenever something big...

23 June 2020 798 1 View

COVID-19 modeling (open and customizable model). We'd love feedback. Any researcher interested?

Dear all We have uploaded a preprint of our paper about COVID-19 modeling. Understanding COVID-19 spreading through simulation modeling... Any researcher interested in giving us feedback?...

30 March 2020 2,232 5 View

How quantify relic DNA in water samples?

I need to quantify the amount of relic/free DNA in water samples from a fish pond. I'm looking for a protocol with these method. Does anyone know of any accurate methodology for this...

21 May 2019 5,636 3 View

How to make a baseline plot (Insar)?

Hi. I've used SNAP to get the baselines and select the master image for the interferograms. But how do I do a baseline plot (other than a scatter plot) so that the possible combinations with the...

01 May 2019 8,821 3 View

ANOVA with 4 factors to contrast seasonal curves?

28 April 2019 5,115 1 View

I would like to know if there is any report of the average volume of the lung lining fluid in BALB/c mice ?

I would like to know the volume of lining fluid in mice

24 April 2019 8,716 3 View

How to incorporate gravity effect into COMSOL's Two phase Darcy's Law?

Hey everyone, I'm trying to simulate a porous media column that's initially saturated with water, and get's progresively filled with air from the top. For water to move, the driving force is...

20 September 2018 8,275 2 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View

How UAV or drone can be beneficial to better estimate crop yield?

As we know, crop yield estimation has been done traditionally with farmer's expert knowledge, deductive sampling in representative areas, and remote sensing with satellite imagery. Farmer's Expert...

01 March 2021 3,468 3 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

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

How can we simulate an hyperelastic-viscoelastic behavor with Ansys APDL?

I am working on modeling and simulation of biomecanical material behaviour, I have succeded on simulating skin using anisotropic hyperelastic material, on APDL and in our lab's finite element...

28 February 2021 552 3 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View

How could I process data in RCT to include it in meta-analysis?

I'm in the process of doing a meta-analysis and have encountered some problems with the RCT data. One of my outcom is muscle strength. In one study, I have three different measurements of muscle...

25 February 2021 7,603 3 View