How can I calculate teh crystallinity degree of graphene oxide?

I had treat my XRD diffraction pattern by Highscore to calculate the crystallinity degree Xc and I have the formula but I dont no the 2Theta of Ac and Aa to calculate Xc. Is it like polymers...

10 February 2021 6,305 5 View

Hello , is there anyone who can tell me the effect of extrinsic and intrinsic in meshing a structure with a hole on the stress intensity factore SIF?

does meshing the hole or not in the structure has an effect on the value of stress intensity factore KI and KII

17 November 2020 5,628 3 View

Insignificant main effects, but signiciant interaction in 4 X 2 X 5 three-way factorial ANOVA?

I ran a 4 X 2 X 5 three-way factorial ANOVA to explore any viable variance in EI (Emotional intelligence) across the participants' age, gender, and YTEx (years of teaching experience), and found...

21 July 2020 5,654 4 View

What is the optimal way to transform coordinate into grid like map ?

Given a set of longitude and latitude, what is the optimal way to group the data into a matrix n*m where n and m would be respectively the height and depth of the matrix?

26 May 2020 2,045 1 View

Please, how and what equipment is needed to measure the kinetic energy parameter E, which is used to evaluate the rainfall erosivity?

Raindrops falling on the soil

23 March 2020 4,238 3 View

What is the minimum value of the coefficient of determination, which may be acceptable for validating a hydrological model?

Coefficient of determination R^2

12 March 2020 9,745 15 View

What is the recommended tool to assess the quality of case-control studies included in a meta-anlysis?

I am working on a meta-analysis of case-control studies. I used Newcastle-Ottawa scale (NOS) to assess the quality of the studies. I couldn't find a good reference to interpret the results...

08 March 2020 7,961 4 View

Titane dioxide (TiO2) in toothpaste : What is the potential risk of the nanoscale particules?

Ratio of micro/nano particules of TiO2 in toothpaste which could be tolerated

04 February 2020 4,134 4 View

Prostaglandin E2 ELISA competitive Kit ?

Hello, We measured the level of pge2 in the culture supernatant of rat cells using a competitive elisa kit. the problem is that we got values out of range, which means that the rate of pge2 was...

05 May 2019 3,467 2 View

Anti-inflammatory effect of plant extract on macrophage cells J 774 ?

Hello, If we want to evaluate an anti-inflammatory effect from a plant extract on macrophage cells J774, should we put it before or after stimulation with Lps/IFN. Usually we put the extract...

18 February 2019 9,821 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 to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

Could any one guide me, to write research proposal for grant? ?

We have one plant, the local people using this for controlling blood sugar, the toxicity and antidiabetic activity of the plant is not reported yet, please guide from whag should be the process ?...

02 March 2021 2,300 1 View

How can I integrate a routing protocol in a tiny device (e.g. Raspberry Pi)?

Hi Community, I'm facing the issue of integration/compiling a new routing protocol in a WSN simulator. The final goal is to successfully add, configure this routing protocol in hardware devices...

01 March 2021 9,332 6 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View

What is Flat Lens Antenna?

28 February 2021 5,433 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

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