How can we measure the reliability and validity of our survey questionnaire?

We are conducting survey research on COVID-19 misinformation among students. How can we validate our survey for it to produce valid and reliable data? Also, what statistical tools can we use to...

16 February 2021 678 3 View

How to design a reactive extraction process in Aspen Plus?

Hello, my task is it to create a specific extraction process. There is a mixture containing water, nitric acid and hydrochloric acid. It is known, that tributyl-phosphate is a solvent, which...

03 January 2021 4,163 3 View

Could speech recognition software be developed that DOESN'T convert sounds into waveforms? If not, what does it say about the semiotics of knowledge?

The standard approaches in speech recognition (and A.I. generally) rest on some very interesting assumptions that deserve to be carefully examined...

02 January 2021 9,363 11 View

Do children learn best when they're given the freedom to pursue their own interests?

21 October 2020 9,970 12 View

What sensors are applicable for plastic detection using Arduino?

Are there Arduino sensors that can be used to detect the presence of plastic materials? Our proposed study is an arduino based plastic detection from the water surface. We plan to use infrared...

16 October 2020 4,552 3 View

What is the ideal treatment of data for arduino-based research projects?

Our research is An Arduino-based solar-powered surface water plastic proximity detection and characterization system. We are currently writing our methodology for our research proposal but we are...

12 October 2020 905 3 View

C. S. Peirce held that, because mathematics makes no presuppositions, it is even more basic than phenomenology? Do you agree?

30 August 2020 3,686 13 View

Recovery rate of biodiversity when shifting from conventional to organic farming?

If it exists, where can I find data or some relevant references on the recovery rate (and time) of insect biodiversity (or just pollinators) when shifting from conventional to organic farming for...

11 August 2020 6,996 7 View

Wanulcas and banana - any experiences?

02 August 2020 1,358 3 View

What are the recommended diluents for the Pierce BCA protein assay kit?

I have performed a tissue homogenization/extraction protocol using methanol and chloroform as the solvents. The aliquot being using for BCA analysis contains both solvents. I understand that the...

23 June 2020 650 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 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

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 is the suitable range of Sulfur content and Viscosity of Heavy fluid Oil that used in Kiln?

What is the disadvantages of high sulfur content to the ceramic burning process? and what is the effect of outranged viscosity?

24 February 2021 8,219 2 View

What software programs can directly simulate Additive Manufacturing Directed Energy Deposition (DED)?

I understand there are a lot of software programs that can simulate DED by going through specific modeling, simulation, and commands. For me, that was time consuming and results were not accurate....

24 February 2021 4,428 3 View

I am looking for a simple software program to model 3D chemical bonds. The purpose is to generate high-quality graphical abstracts. Any suggestion?

Hello everyone: I am looking for a simple software program to model chemical bonds. The purpose is to generate a high-quality graphical abstract for a top leading journal in the field of...

23 February 2021 8,012 3 View

Which programs are to be used to register 2D image onto a 3D image data set?

I am trying to register a light micrograph onto a 3D CT data set, as I want to extract the corresponding image from the CT data set. Is there any software or program can do this accurately? I am...

21 February 2021 8,220 3 View

What is the better software for approximation of 3D surface with equations?

I have a massive of x, y, z coordinates of 2D surface in 3D space, which builded in Ansys HFSS or AutoCAD. How can I get the analitical aproximation of this surface by formulas?

21 February 2021 3,444 7 View

How can I obtain Reaction Forces in ABAQUS?

I am trying to simulate a simplified version of a beam resting on 10 points using Abaqus. The solutions I want to obtain are the Reaction Forces in each resting point or area when applying a...

21 February 2021 3,075 2 View

How to convert 2D stack images to 3D to obtain surface area of nucleus?

I have 15 slices of the nucleus at different z-heights from confocal imaging. I would like to use these slices to reconstruct the 3D nucleus and ultimately estimate the surface area of the...

20 February 2021 6,967 1 View