I got 02 moderator values defining Johnson-Neyman significance regions. Is it an error?

Hi everyone, I am conducting research for my Master's thesis. I am using PROCESS by Johnson-Neyman to analyze my Moderator model. I test the relationship between Public Service Motivation and...

03 March 2021 2,350 2 View

I need to accelerate corrosion in steel parts that are used in a salt-water environment. Is there a technique for doing so?

I have a structure that employs d-ring swiveling tie-downs that corrode during use and become "frozen". I have sample swivel assemblies that I wish to corrode to see if I can free them using one...

01 March 2021 3,739 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

How to include original NMR data in a manuscript?

hello. i am junior researcher. I received a comment from a reviewer that he could not find NMR data in my submitted paper. I had included the NMR graph with explanation and formula to calculate...

27 February 2021 734 4 View

Does anyone ever solved this following Matlab error : "Error using imaqdevice/start (line 95) pointgrey: Failed to stop the camera acquisition." ?

I use Matlab 2014b to capture some images with a PointGrey camera connected with USB3 port. I initialize the camera in a function which basically execute these followed lines : vid =...

22 February 2021 6,386 1 View

Making my research papers available for readers?

17 February 2021 8,533 2 View

What influences inter-day reproducibility in UPLC-MS/MS analysis?

I was analyzing some metabolites in human plasma. While the intraday precision of these metabolites was acceptable ( less than 20%), the interday precision was quite large. So what influences...

13 February 2021 9,183 9 View

3T3-L1 cells, is this a bacterial contamination or a cross contamination with different cell line? or something else?

Hi, I am experiencing some difficulties with 3T3-L1 cells culturing recently. I am working with 3T3-L1 cells for almost 4 years now and have seen bacterial contaminations/ unhealthy cells and...

13 February 2021 4,040 3 View

What are the main conditions suited for synthesizing a PVDF thin film by solvent casting method?

I have been trying to synthesize PVDF thin film by solvent casting method. I started by using 2:3 DMSO: acetone as solvents. The solution was stirred for 3hrs at 60 deg and was dried at 90 degrees...

09 February 2021 8,850 3 View

Wave velocity and rock density paradox?

Practically it is known that seismic velocity increases as rock density increases, why then does the wave velocity equation involving elastic moduli and density indicate that velocity is inversely...

09 February 2021 1,843 3 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

Can Reinforcement Learning solve problems where next state is not predictable?

23 February 2021 6,870 3 View

How to find if Qualitative and Quantitative (discrete) variables have a relation?

I'm going to do a brief research about the dependance between the number of cases of Covid-19 and sex( male/female) . One of the requierements is to use inferential statistics to test the...

18 February 2021 7,092 11 View

Which drug is better to modify blood pressure in awake monkey, if I provide it in the food or drink reward?

I need to modify the blood pressure in a monkey while is awake in the recording chamber, and I am planing on provide a drug for that in the food or water used for reward... any advise? Thank you

08 February 2021 9,900 1 View

Is there a typical range in the power spectrum that each person has during a rest measurement? Moreover, are there differences between men and women?

Is there a typical range in the power spectrum that each person has in the individual brain areas (19 electrodes, 10-20 system) and frequency bands (theta, alpha, beta gamma) during a rest...

13 January 2021 5,660 3 View

What role do men and women play to combat climate change?

During climate change women and men perform different roles to combat the climatic events

30 December 2020 1,781 3 View

Is there any website where I can find daily COVID-19 confirmed cases and deaths according to age and sex for Sri Lanka?

I need to calculate CFR based on age group and sex. For this, I need daily COVID-19 confirmed cases and deaths according to age and sex for Sri Lanka. Where can I find this?

13 December 2020 8,287 2 View

Is there any bias if a survey that uses stratified random sampling , only has1.6% of men?

I am a student and the study I am appraising is to find out the barriers and facilitators of implementing evidence-based practice.

22 November 2020 6,423 1 View

Should you turn on a cycle and then using of the Renewal reward theorem in maintenance optimization problems?

In the maintenance optimization context, researchers use a structure such that it results in the Renewal reward theorem and they use this theorem to minimize the long-run cost rate criteria and...

10 November 2020 3,417 2 View

How to implement monte carlo method to compute state value in matlab ?

assume there are 80 states each with a possibility of 2 actions. we have a predefined reward function. The problem is about research allocation.

30 October 2020 9,930 3 View