What are some qualitative research analytical methods that seem to be aligned and a good fit for research that prioritizes a social justice lens?

I'm a qualitative researcher myself. I'm familiar with a couple of analytical methods (some very popular ones and a few not so popular ones) such as: Thematic analysis Qualitative content...

01 December 2020 3,478 5 View

Which centrifugal dna concentrator is better for double strand DNA ( microcon, centricon or vivacon)?

We need to concentrate DNA after extraction. Using concentrators is a normal way. Which one among centricon, microcon and vivacon filters make more DNA concentration.

19 July 2020 5,356 2 View

Natural Frequencies of doubly clamped beam?

Hello, I have a doubly clamped nano-beam and I want to obtain its natural frequencies for: 1- Low stress and 2- High stress using COMSOL software. How can I involve the impact of the stress level...

17 June 2020 3,244 3 View

Casting of H11 and H13 tool steels?

Are investment casting and squeeze casting the only techniques to cast tool steels, H11 and H13? If so, what is the reason?

17 December 2019 4,653 1 View

Is a dataset consisted of 25000 samples large for meta-analysis? If so, are the p-value and confidence interval reliable to interpret the results?

Hi, Considering the student's t-test formula, when sample sizes are large, it's easier to find significant p-values when they're not really there (i.e., false positives), because significance gets...

28 October 2019 2,452 7 View

Is there any method to extract microRNA from blood samples without using commercial kits?

Hi everyone, I am seeking a method to extract miRNA from blood samples without using commercial kits. Any help would be appreciated.

14 September 2018 7,656 3 View

I`m looking for the reasons why my recombinant protein in Pichia Pastoris have expressed well in shaked flask BUT It`s very low in fermenter?

I`ve checked all of the key parameters for scale up(PH-Do-Feed rate...)

03 February 2018 602 2 View

Is it possible to calculate the value of dislocation density quantitatively using GND (geometry necessary dislocation) MAP?

29 April 2017 9,131 4 View

Is It possible to determine dislocation density of poly-crystalline Ti64 alloy using ATOM software? what kind of file is necessary for this?

EBSD analysis of samples is available. is it possible to import EBSD file to ATOM for dislocation density determination?

16 April 2017 9,412 4 View

What is your interpretation of roll center of a rigid body in incident beam-wave?

29 February 2016 5,335 1 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

Which is the most convenient manufacturing software for Additive Manufacturing?

Which tools can be used to generate machine codes for additive manufacturing?

02 March 2021 7,220 2 View

No title

Does anyone have the experience of using Taq Man probes in the QIAGEN Rotar- Gene qPCR machine?

01 March 2021 5,311 1 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

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

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

25 February 2021 1,987 3 View

How can we add reinforced thermoplastics with granules in injection molding machine?

I need to make an injection molding machine in which short fibers are to be introduced. Short fiber length and material properties are to be determined and also the material strength are to be...

22 February 2021 4,290 1 View

Why is my qPCR suddently not working?

I've been working with qPCR for some months now. I amplify 2 genes (PSEN2 and HN1), and the protocols are optimized for both and have been working fine. The other day I amplified HN1 for some...

21 February 2021 3,437 3 View

How do I collect online measures in a same-different task?

The same-different task requires to subjects to indicate whether a pair of stimuli seen or heard are the same (say AA or BB) or different (say AB or BA). Researchers often collect offline measures...

20 February 2021 9,226 2 View

Drop weight impact testing machine for composites?

Dear all, I hope everyone is safe and healthy I do have a question please. Where can I find a drop-weight impact testing machine to test fiber reinforced polymer composite plates (CFRP and GFRP)...

17 February 2021 3,820 3 View