How to best engender critical thinking in K-12 education?

From my observations, there appear to be three principal avenues to engender critical thinking in education K-12: debate; mathematics, and science. For some students, all three avenues are...

04 February 2021 9,605 7 View

What is the best way of processing very large files in python?

I want to process a very large file, let's say 300 GB, with Python and I'm wondering what is the best way to do it. One limitation is that my algorithm needs the whole file in memory, so a...

15 January 2021 6,691 4 View

Do chemical and physical properties influence on the size of a polymer particle?

I would like to know if the properties of a polymer impact on the size of the particle it forms. I'm working with different polyssacharides (alginic acid from different seaweed), which are...

29 December 2020 7,333 6 View

Mixed ANOVA independent variables understanding in SPSS?

I have an experiment where 10 groups of 3 judges are asked to evaluate a list of pictures in 2 evaluation conditions. The pictures were made in 2 between-subjects conditions (A,B) and each group...

20 December 2020 7,697 3 View

Any known "open" tools for organizing information for research?

I am doing a bit of research on different areas (AI, cognition, music psychology, aging...) and have gathered so far a huge amount of information in the form of web links, pdfs, printed books and...

15 December 2020 8,004 5 View

Calculation the Pump power needed in a pressurized flow system?

Hi all, I am design now a liquid high pressure flow system to be used up to 50 bar, and I am having some doubts concerning how I can estimate the pump power. Besides the pressure drop in the...

15 December 2020 8,411 1 View

Design of a membrane system to remove CO2 from a flue gas current?

Hi all, I am trying to design a membrane system to remove the CO2 from a flue gas current, and I am having difficulties in finding information. Does anyone have any technical information,...

15 December 2020 3,655 2 View

Will teleworking in the future be done from home or from shared spaces in a creative and dynamic environment, but not more than 15 minutes from home?

Teleworking works best in terms of productivity and innovation if carried out in co-working, as the critical peer review allows to continuously improve the "deliverables"

03 December 2020 7,376 5 View

What are the best sources for education in the field of Kinesiology?

As a student, I can't find good but reliable sources for expanding knowledge on the internet, so I'm looking for something easy to understand and read, not scientific journals and papers.

26 November 2020 8,560 3 View

Could you recommend a book that has change your view of seeing kinesiology (sport science, human anatomy & physiology) in a different matter?

I'm looking for something inspirational which would show me a different side of kinesiology. Something easy to understand but also educational.

26 November 2020 4,611 10 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

How to make fractions of chloroform extract of plant, using seperating funnel?

28 February 2021 8,466 2 View

How to calculate the fraction metabolized of a drug by an enzyme using clearance(ml/min) values of the metabolite formed?

I am trying to find the fraction metabolized of a drug by CYP and UGT enzymes. I am unable to get the values of fraction metabolized (Fm) directly from the literature. Can we calculate the Fm of a...

21 February 2021 5,379 2 View

How can I calculate volume fraction of MWCNT from a nano hybrid composite ?

I am adding 0.1wt percent MWCNT to glass fiber epoxy composite and want to determine the volume fraction of the MWCNT from this composite but I don't know how to calculate it. can anyone help me...

09 February 2021 8,883 3 View

Fractional derivative users, are you on the same page with me on the validity of the fractional order parameter, say alpha?

Taking a fractional ODE problem as an example. It has come to my attention that if the fractional order parameter is in the interval (0,1], many only presents results for alpha=0.9, 0.99. I saw...

08 February 2021 9,671 3 View

Is there any protein soluble in oil?

Hello, I am looking if proteins or protein fractions soluble in oil exist? For food application Thank you for your help

01 February 2021 2,103 3 View

How best can one separate n-hexane-soluble fraction of plant extract that binds strongly to silica gel columns and what are the possible compounds?

I wanted to elute n-hexane-soluble fraction of a plant extract in a silica gel column using different proportions of dichloromethane/n-hexane. The bands separated visibly initially but moved only...

18 January 2021 9,270 3 View

How to solubilize protein?

Hello, I have cloned my gene of interest in a bacterial expression system i.e. BL 21 Gold (DE3) and checked for protein production and solubility. Good amount of protein was observed on SDS-PAGE...

15 January 2021 7,063 5 View

What is the best way to simulate the fractional controllers?

What software do you prefer?

29 December 2020 889 3 View

How to clean a packed glass column with C18?

I loaded a polar fraction on a glass column packed with C18 and washed it isocratically with 10% methanol for 6 days. The color of this fraction remained on top of the column, then I washed it...

28 December 2020 7,884 3 View