Any good examples of mixed-methods studies with a qualitative focus ?

Hello, I'm looking for good examples of mixed-methods studies with a qualitative focus. I'm especially interested in the explanatory sequential design "case-selection" variant / preliminary...

13 June 2020 9,113 3 View

How to calculate technical efficiency in stata with a DEA and a big sample (27 cases, 5 inputs, 1 output)?

Hello, I am working on my master thesis in economics. I try to measure the technical efficiency of the European dairy sector. I understand Stochastic production frontiers and some DEA, but I...

23 May 2018 7,458 2 View

How can I optimize the Walkley-Black method in determining organic matter in compost?

I'm trying to analyze OM content of compost materials. I am using the Walkley-Black method which we use for soil samples which are low on OM. Now, I can't use the same for high-OM samples. How can...

02 March 2016 5,902 8 View

Sandwich panel modelling with composite layup tool in Abaqus?

31 January 2016 5,800 5 View

How do I analyse correlation between several nominal and metric variables?

17 September 2015 9,515 3 View

Any suggestion to check in vitro the blocking efficiency of B-adrenergic blocker such as Propranolol?

I want to determine the role of intestinal nor-epinephrine on pathogen survival and replication in an impaired immunological background. For that I wanted to first use propranolol, as shown in...

28 August 2012 6,482 10 View

How to threshold an image despite bright lighting, using ImageJ/Fiji?

Hi everyone, I am using Fiji to determine the percentage of the image covered by leaves, branches, or trunk, but i've encountered some difficulty when the sun hits parts of my image like the one...

27 February 2021 1,194 3 View

Which vial septa the right one to be used for HPLC?

This is the unanswered question stored very long in my mind and till now I could not find a right answer. Google search educated me that the red surface is the PTFE material compatible to wider...

21 February 2021 546 3 View

I have faced a problem to amplify VP2 gene of porcine parvovirus 1,2,3 and 5? Please suggest me how can i solve this problem?

Till now i haven't got any PCR amplified vp2 gene bands on specific annealing temperature and in step up PCR.

08 February 2021 819 4 View

How to resolve a corrupted .odb file?

Hello. I run my Abaqus simulation in the supercomputer and once it's done, I copied the result (odb file) into my local computer using winSCP. But I faced a problem to read that file (see...

08 February 2021 6,198 3 View

How to compile UDF for parallel processing ?

I am trying to use a UDF for velocity input in the room from a fan. I have created a UDF but when I am trying to load the UDF it shows an error stating that it is not compiled for parallel...

03 February 2021 2,187 3 View

Anyone knows about how to stop pH getting acidic after 7 days formulating the formulation?

i am trying to formulating one formulation but the problem i am facing is after formulating and adjusting it's pH, when i try to check pH after 7 days it is getting down towards the acidic side....

02 February 2021 9,343 3 View

How to analyse multiple Likert scales?

Hello everyone! I've encountered a problem when trying to figure out the methodology of my dissertation. The study has multiple variables and will be, in general, rather complicated, but my only...

02 February 2021 2,086 3 View

Can we simulate light with matlab ?

Hi, I have to design a digital model of different types of lighting. Is it possible to simulate the lighting level from different sources (LED, incandescent, mainly fluorescence) with matlab...

28 January 2021 3,818 10 View

How seniors face covid 19 without fear?

Seniors in the world with diabetics and hypertension and heart diseases are millions ,and they are facing covid.therefore we should give them advices and precausions to face covid 19,this...

26 January 2021 8,349 4 View

Lighting for open field test behavior assay?

I am currently setting up our lab's behavioral space to run the open field test in rats, and I am trying to figure out how to set up lighting to evenly illuminate the open field chamber (a 90 cm x...

26 January 2021 1,399 3 View