What is the problem in attached file?

I have done ORR LSV (attached file) at different RPM (400-2000) in 0.1M KOH electrolyte (PH=13) using RDE. My teacher said that it is wrong due to limiting current density. Kindly give me your...

08 September 2019 1,662 2 View

How to do Particle Size Distribution of very small particles?

I used Image j but I didn't get correct result, is there another way to calculate particle size?

05 June 2019 8,862 3 View

What is the correct way of conversion of ppm to ppb?

Please suggest me a correct method of dilution of solutions to convert ppm to ppb. Let suppose I have 0.05 mg/ml solution, it has 50 ppm and I want to convert into different ppb solutions like 50,...

04 May 2019 9,307 1 View

How I can match simulated and own XRD pattern in Origin?

Hi, I have used American Mineralogist crystal database and downloaded .cif files and then used VESTA software to simulate XRD pattern and also have jcpdf number, I want to match with my own XRD...

04 May 2019 1,468 4 View

How can a beginner learn the analysis of X-ray photoelectron spectroscopy (XPS) by himself?

Is there any literature or trilaterals?

04 May 2019 3,309 6 View

Can anyone provide me JCPDS files?

Hi, everyone, I needed JCPDS files of Pt, Cu, PtCu & Cu3Pt, if anyone have then please share with me, I will be highly thankful. File numbers are as follows: PtCu = JCPDS 48-1549 Pt = JCPDS...

04 May 2019 1,856 4 View

What does it mean pass/fail in BET result?

I did BET for my catalyst (PtCu Nano particles) when I got result, I saw this error (given in attached figure), as BET Surface area is too low, what does "fail'' mean? is it incomplete analysis or...

03 April 2019 7,043 10 View

How can a beginner learn the analysis of XRD Powder method by himself?

Is there any literature or trilaterals?

01 February 2019 4,976 12 View

What is the standard electrode potential of Hg/HgO ?

01 February 2019 4,924 3 View

How to convert a potential collected with reference to Hg/HgO to Reversible Hydrogen Electrode?

I have collected a LSV data by taking Hg/HgO as the reference electrode. But I want to convert this one to RHE. Please suggest me the required conversion equation. 0.1M KOH was taken as the...

01 February 2019 6,730 4 View

What are the most relevant MSc proposal topics for Petroleum Production Engineering at the moment?

I am a Petroleum Production Engg MSc student at Robert Gordon University in Aberdeen and I am in the process of selecting a topic for my MSc Engineering Investigation proposal. I would very much...

01 March 2021 7,396 4 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

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

Is it possible to define biogas as a fuel in the reformer process(scwg) in Homer software?

Hi every one Is it possible to define biogas as a fuel in the reformer process(scwg) in Homer software? Biogas fuel is not available in the options thanks

23 February 2021 6,518 3 View

Do you consider undergoing a structure literature review / Meta analysis and getting numerical findings sort of quantitative method?

I am looking for a classification of the research methods included in literature review papers or Meta analysis ones .

22 February 2021 1,131 4 View

How we can measure Kemp % in wool without using of benzene?

Would you please let me to know about the methods for measurement of medullation and Kemp % on animal? My problem is that the wool sampling and sending to laboratory is not possible. So I would...

21 February 2021 7,260 4 View

Can I do two kinds of mixed method in explanatory research?

Dear distinguish professors and scholars, I have a research in measuring two kinds: think tank capacity and research impact on policy. Can I do two kinds of mixed methods in order to find, "Is...

20 February 2021 6,897 1 View

How to analyse a (perceptual) study using differing/comparable sets of stimuli?

I plan on running an online perceptual experiment that has, let's say, 100 unique video stimuli altogether. Since these are too many to be rated by every participants, I would like to present the...

15 February 2021 7,444 2 View

How to analyse a split-plot design in stata ?

I have run an split-plot design experiment evaluating the efficacy of a treatment (with 3 whole plots and 4 sub-plots), and I am planning to analyse the collected data in Stata. However, I do...

14 February 2021 7,800 7 View

By which mechanism does potassium hyrdoxide works as an activator in the preparation of activated carbon?

Activated carbon is prepared from biomass using KOH as the activating agent. What is the possible reaction between KOH and the biomass?

14 February 2021 8,095 4 View