Is there any teachers based in UK who would like to take part in my study?

24 February 2021 4,833 3 View

Why CHi^2 is reducing if I divide the intensity by a constant factor?

I was refining my XRD data in FullProf. Highest intensity was 400000. The fitting was good but still the Chi^2 value is very high (0.174E+04) I divided the intensity by some constant factor (say...

17 February 2021 3,383 5 View

Is there anyone who is good with DNA extraction from hops?

Hi I extracted the DNA using the CTAB method and purified it with a kit, then I get this band like in the picture below. I am desperate, what can I do!

16 February 2021 5,508 3 View

How to do rat bone Immunofluorescence, Please suggest?

Hello, I have been trying to do a rat bone Immunofluorescence histology study. But not able to find a successful protocol till now, Any suggestions? Rat bone: Decalcifies Embedding: Cryo

26 January 2021 4,165 3 View

How to calculate the band potential of a semiconductor material using energy band gap?

I am looking for methods to calculate the band potential of ZnFe2O4 and Fe2O3.

05 January 2021 6,416 2 View

I am confused about the number of active sites in enzymes. Is there any enzyme with multiple active sites?

I want to know about the number of active sites in an enzyme.

15 December 2020 231 9 View

Besides, DMSO, EDTA, and K2Cr2O7 to scavenge the OH radicals, holes, and electrons respectively what are the other chemicals being used for scavengin?

Besides, DMSO, EDTA, and K2Cr2O7 to scavenge the OH radicals, holes, and electrons respectively what are the other chemicals being used for scavenging? Please share the files with complete...

30 November 2020 4,935 1 View

Which procedure is most convenient for performing tensile strength tests on reinforced laboratory soil specimens?

The fact that there are no proper laboratory equipments devised till date for direct tensile testing of soil, I'm looking for a simple indirect procedure that would help in determining tensile...

12 October 2020 8,231 2 View

No title

04 October 2020 912 27 View

How Geochemical models help in solution chemistry in the experiment?

Added Si to nutrient solution carrying metals and mineral nutrients under acidic conditions, therefore, it's necessary that they provide evidence that Si addition does not cause pH fluctuations...

26 September 2020 7,706 2 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What SPSS analysis should I run with one IV (with two levels) and two DVs?

Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...

01 March 2021 8,235 2 View

Statistics: include groups of respondents made by one person for analysis?

Good morning, I could not find literature about this so I am asking. I am organizing data for a questionnaire (N=100) that foresees some personal questions like level of education. For the aim...

25 February 2021 2,090 4 View

How to measure angle between laser travel path and machine axis in Laser Measurement system?

25 February 2021 1,987 3 View

Sample size determination for non-parametric tests?

How do I run a a priori sample size determination for non-parametric tests, like the Mann-Whitney U-test and the Kruskall-Wallis or other non-parametric tests that accord with the unpaired t-test...

24 February 2021 166 6 View

Are there any open-source datasets containing physiological information about exercises to be used for an OR-model?

I have just recently started a new "weekend project" in addition to my master's studies and I am looking for a data-set. I would like to use some Operations Research to design an optimal gym...

22 February 2021 8,023 1 View

Statistical Tests for Quantitative Study?

Hello Everyone, I have one population, sample size 200. and needed to find the correlation between Variable A and B. Also, which T-test should I choose for hypothesis testing Please advise...

21 February 2021 7,591 4 View

How to model rupture in geogrid in abaqus?

Hi researchers I wanna model tensile test on geogrid in abaqus, so I added displacement to one side of geogrid and the other side of geogrid is constrained completely, everything seems normal but...

19 February 2021 2,195 2 View

How to compare means of continuous data with zero-inflation and skew?

I have two groups (unpaired) of plant biomass measurements and want to know whether there is a test that can be used to determine statistical significance where assumptions are not violated. The...

18 February 2021 1,258 4 View

What is the original citation for the commonly used activity factors for converting basal metabolic rate to total caloric need?

I see the same activity factor (multipliers) in research papers and websites, but I cannot find where they come from. Does anyone know where these originated? I am looking for an original...

18 February 2021 7,635 2 View