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 do you think why fiber-optic DAS systems are not frequently used in bioacoustics?

There are some interesting challenges for DAS systems in fields of agri-biophotonics and/or biophotonics - from vibration impact studies on the roots of growing plants to sea fauna acoustics...

16 October 2020 6,696 5 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

Dear Colleagues, does anybody plan to visit the International Conference on "Optical reflectometry, metrology & sensing 2020"?

My friends, my dear colleagues, I am the Scientific Secretary of this Conference. It is held by the Photonics Laboratory and Agri-biophotonics Laboratory of the Perm Federal Research Center of the...

25 December 2019 4,220 29 View

Could you advise me to measure cAMP in pancreatic cell (INS-1, RIN-m5F)?

I would like to graph the trend of increasing intracelluler cAMP after treatment of GLP-1 by concentration in Pancreatic cell (INS-1, RIN-m5F). However, I'm measuring the cAMP using the current...

21 July 2019 395 1 View

I'm the author of an interdisciplinary working paper. Who can publish it?

09 December 2018 2,362 4 View

Is there a open-source software for creating a 3D model based on 2D consecutive echograms?

Not all ultrasound scanners have the 3D option, we have to reconstruct the 3D mentally. And it would be nice to have such an opportunity, like at CT. For example, as in the present case with an...

07 November 2018 3,824 5 View

There may be quantum entanglement in aqueous micellar solutions of ionic surfactants?

We study the quantum entanglement in aqueous micellar solutions of ionic surfactants. We have shown that excitons exist in aqueous solutions. We bathe in excitons, we are treated with excitons....

04 April 2018 8,152 2 View

What is the best way to make a ZnO+Ag nanoparticle blend for polymer antimicrobial additivation?

Hello! I am working with silver nanoparticles for antimicrobial additivation of polymers. I synthesize them on aluminosilicate sheets as substrate, and I will now replicate my process for ZnO....

04 March 2018 8,455 3 View

What is the best way to keep an anaerobic chamber anoxic in the absence of hydrogen?

I'm a graduate student who works with an anaerobe, so I often work in an anaerobic chamber. I've been working on an assay that involves the steady-state of the quinone/ quinol pool. Anoxic...

03 March 2021 2,971 1 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Is there any tutorial for comsol general projections?

Hi, im trying to make a projection in a 3d comsol model. I have a non uniforme chanel and my intention is to get the average tempreture in the y-z cross section and se the average tempreture...

02 March 2021 4,624 4 View

Is it possible to do piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch?

How to do Piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch? Piezoelectric coupling between the rectangular substrate and rectangular...

02 March 2021 9,833 3 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View

Is there a method of determining feed digestibility without the need to re-pellet the feed?

I am aiming to determine the ADC values of a commercial fish feed, but I do not have a steam pelleter or extruder available to me. Ideally, the pellets could be coated with some inert marker....

28 February 2021 7,967 3 View

Can water be extracted from Olivine?

I have always been interested in geology and wondered about how unique structures of materials behave in different circumstances. I stumbled upon Olivine, the magnesium iron silicate, and heard...

28 February 2021 7,330 4 View

How to use measure capacitance change in COMSOL time dependent study ?

I want to measure change of capacitance due to relative displacement between two parallel plates in COMSOL. Distance between two plates changes with time. So I'm using a time dependent study but...

26 February 2021 8,567 3 View

How does charge on working electrode changes with rising potential?

During performing CV of a GCE or modified GCE, we rise the potential in the first half of the cycle and reduce it in reverse half. During the first half, what is the nature of charge on GCE or...

25 February 2021 7,994 3 View

How to model Supercritical water gasification (SCWG) process in Homer software?

Hi everyone How to model Supercritical water gasification (SCWG) process in Homer software?

25 February 2021 4,075 1 View