Why is cronbach's alpha sometimes calculated for non-unidimensional questionaries?

I've recently come across with several published articles where questionaries composed of more than one section (where every section is meant to gather data for separate variables/dimensions of...

11 November 2020 1,805 7 View

Could you recommend a Journal to publish a literature review about the relationship between globalization and ultranationalism in Europe?

Currently I am finishing the literature review about the relationship between globalization and the resurgence of ultranationalism parties in Western Europe. This is the first part of my Doctoral...

02 October 2020 9,773 5 View

Where to find data for Frequency Regulation and Peak Shaving control signals for intregration of BESS to the utility grid?

I'm looking to study Battery Energy Storage System (BESS) integration to the utility grid for different applications such as Frequency Regulation and Peak Shaving. I would like to learn about...

05 August 2020 2,075 1 View

Glass luminescence after high electromagnetic pulse?

In a Z-pinch test using Pulsotron-3 fusion reactor, I have seen at high-speed camera that a pyrex glass generated a beautiful green light during some milliseconds after the electromagnetic pulse...

18 July 2020 2,488 2 View

Collaboration against COVID-19 based on 3D printing, any JCR journal suggestion?

Good morning, Our university has collaborated during the last three months of the pandemic with the printing of PPEs by means of 3D printing, contributing with more than 26,000 parts in a...

09 June 2020 7,107 4 View

What is the best intelligent algorithm to control engines?

There are PIDs but usually only the Proportional part of the PID algorithm is usually used Mapping systems, as used in diesel engines But make a several layer PIDs is difficult. Map based systems...

06 May 2020 1,065 0 View

How to calculate total electronic cross sections?

Hello, I'm trying to understand photon shielding parameters such as mass attenuation coefficients (MAC's) and effective atomic numbers (Zeff's). I would like to ask how to calculate for total...

08 April 2020 7,893 2 View

How do you deal with lost data?

Given your specific discipline. Have you ever irretrievably lost data of an ongoing research project? How did you handle it? Thanks in advance. (Also, this is my story. A couple of years ago, in...

29 March 2020 297 21 View

Which environmental problems arise from landfill mining ?

Landfill mining techniques arise as one of the available alternatives to mitigate negative environmental impacts from municipal solid waste landfills. High recycling potential generation is one of...

28 March 2020 1,782 10 View

How should a shapefile (.shp) be referenced?

A local fault shapefile prepared by a public academic institution was required to complement a qualitative analysis. It was not possible to access a study or technical report documenting the data...

11 March 2020 4,329 3 View

Recommendations on homogenizers for RNA isolation?

I will be performing RNA isolation with frozen lung biopsy samples and am in the market for a tissue homogenizer. I am wanting a homogenizer that will fit in a 1.5ml tube. I was looking at the...

24 February 2021 3,623 3 View

Can we re-freezing of brain tissue homogenates?

Hello! We use homogenates of mouse brains for our aims (determination of cytokines by the ELISA method). After removing the brain, we freeze the tissue in liquid nitrogen, then store it for a...

19 January 2021 5,203 1 View

Density homogenization in Multiscale modelling?

Hello, For now, I am following the integrated technique to derive the mass from the smaller scale (microstructure). Is there any better approach to get the mass of a given macro-structure from...

16 January 2021 4,792 1 View

What are the key factors in making homogenous mixtures of different powders e.g. polymorphs?

In order to calibrate a model, I need to make mixtures of two or more substances with different concentrations. The substances are in powder form and the calibration model will then be used to...

12 January 2021 1,202 3 View

How should I prepare my tissue sample for biodistribution study?

I want to evaluate the biodistribution of an elastin-based nanoparticle drug in tumor, heart, liver, and kidney for the first time. Can anyone give me any idea about how to prepare my tissue...

04 January 2021 3,661 3 View

Which Landsat image/data set of USGS Earth explore help to mapping soil types in ArcGIS software?

for a large scale, ecological studies it's very important to distinguish between homogeneity and heterogeneity within an area.

15 November 2020 7,791 3 View

No title

When producing a recombinant protein, harvested E. coli cells are normally refrigerated for 12-24 hours before homogenization to ensure protein inactivation due to foaming does not occur....

16 October 2020 7,373 0 View

What are the differences between an ultrasonic homogenizer and a vortex mixer? What are their ads and cons?

I want to suspense and mix my micro/nano-particles inside a solution. What are the differences between an ultrasonic homogenizer and a vortex mixture?

05 October 2020 5,606 3 View

Interdendritic phase coarsens during homogenization?

Hello Is it possible for the micro-segregation (non-equilibrium phases) coarsen during the homogenization treatment? There is an obvious reduction in the quantity, but some of the phases remained...

19 September 2020 4,985 3 View

On considering the effect of homogeneous-heterogeneous reaction in fluid flow problem, what are the chemical species A and B?

31 August 2020 9,983 5 View