No title

Hi, I have several doubts about one paper (Systematic Literature Review) that was rejected. The main topic is Single-Board Computers in engineering education during the period 2010-2020. The...

01 March 2021 9,015 3 View

How to find the right number of integration points in second order 3d finite elements?

I am familiar with finite element simulations and numerical schemes like the Gauss Legendre quadrature. I also know that the Gauss integration yields exact values for polynomials up to degree 2n-1...

27 February 2021 6,818 3 View

Must a control group to be in the same semester that a experimental group for a study in education?

Hi everyone, I'm researching about mobile learning in higher education. Due to the small number of the students in the semesters, I cannot have a experimental and control group together. I'm...

22 February 2021 3,653 11 View

What is the best way to isolate Hydrolysable tannins on Sephadex column?

I am currently preparing to isolate polyphenolics (Hydrolysable tannins) from aqueous extract of a plant. I want to set up a small sephadex column to guide the major isolation on a laerge...

18 February 2021 1,455 3 View

How do we assess information security in a public organisation?

Dear all, I am wondering if anyone can point me to studies discussing non-technical measurement tools to assess information security in a public organisation. I am planning to explore the...

23 November 2020 3,497 6 View

Any suggestions for the specs (specifications) of a laptop/desktop computer that can be used for Molecular Docking Tools/Software?

I'm a researcher that will be using USCF Chimera, Autodock, and Autodock Vina tools. I've been using an Intel i5 8th Gen processor (i5-8250U) lenovo E480 thinkpad with 8GB of RAM, and I'm planning...

18 November 2020 3,578 3 View

How do you design heterogeneity spacers for primers in amplicon metagenomic studies?

Adding heterogeneity spacers to primers used for Illumina based amplicon studies has proven to improve read quality by increasing bp diversity on the flow cell during sequencing. I have seen two...

01 November 2020 9,071 3 View

How do I collect reviews in several languages from TripAdvisor?

I have been trying to extract data from TripAdvisor for my Master thesis. However, I can get only the english reviews. The reviews in other languages I can not extract. If someone could help,...

10 October 2020 6,382 2 View

How useful would a Predictive CAD systems be?

Hi, I wondered if you could spare a few minutes to watch this short video of a prototype Predictive CAD system (created by our research project) and answer some questions afterwards? We are...

06 October 2020 1,626 3 View

In linear regression, can I reverse-engineer r-squared if I know sample size, beta, standard error, and the p-value?

I'm doing a literature review, and most of the data I need come from linear regression analyses. There's a paper that has solid data, but it doesn't report r-squared, which is the metric I need....

15 September 2020 208 3 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

What are the most reliable approaches to extract key continuous frames from a video, with complete automation?

I have an input video, of skin (from a microscope that means it is magnified such that blood capillaries are visible). The idea is to extract 15 sec of continuous frames from a video of 1 min,...

02 March 2021 2,735 2 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

Which is the best place in the world for the plant biotechnology research?

I am searching for a good place for the Post Doc,

02 March 2021 4,053 3 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

How can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View