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

Journal of Research in Humanities and Social Science. Is a real magazine?

Dear colleagues: I have received many emails from a magazine called ournal of Research in Humanities and Social Science. I have gone to the website of this journal, and I read "some" indexes but,...

13 December 2020 6,208 6 View

Has anyone compared supervised classification methods using google earth engine?

Good Morning! Has anyone compared supervised classification methods using Google Earth Engine? Could you comment on what are the criteria you used to decide on any method?

29 November 2020 544 4 View

Looking for literature?

I am currently looking for relevant literature concerning international competition as I interested in the effects it may have on science diplomacy.

07 July 2020 9,713 1 View

Conv2D based CNN architecture throwing errors when importing LFW dataset in grayscale?

Hi, I am doing a research project related to Face Recognition and using LFW dataset. If I import LFW as colour = True using some additional parameters (see attached word document), the CNN...

13 June 2020 7,858 3 View

How can I find the correlation coefficient between 1 categorical variable compared to several other variables?

Let's say that I have 8 proteins: A-H and I have protein expression data for each gene. For each gene, the expression number is based on the average of 20 cell lines expressing that gene. I also...

10 May 2020 3,261 1 View

Can anyone clarify the difference between IC50 and dose to me?

I guess I'm not understanding the concept well. If I treated cells (5000/well) with a range of doses from 6nM to 92nM (and this is an MTT assay and I've used Prism8), why is the IC50 only .9nM? I...

24 February 2020 7,044 2 View

Doed anyone have a protocol for comet assay in chlamydomonas?

Hi everyone! I am looking for an efficient comey assay protocol in chlamydomonas reinhardtii if you have some suggestions let me know thanks a lot!

15 January 2020 698 3 View

Is it really necessary the clean-up step after PCR for digesting with DpnI?

I've read different protocols, starting for the QuikChange one, and there's no call for cleaning up after PCR. However, I did clean up as suggested by other researchers, so the polymerase doesn't...

12 November 2019 9,677 5 View

Is it really necessary the clean-up step after PCR for digesting with DpnI?

I've read different protocols, starting for the QuikChange one, and there's no call for cleaning up after PCR. However, I did clean up as suggested by other researchers, so the polymerase doesn't...

10 November 2019 5,183 5 View

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

What are the countries most affected by extreme rainfall as a result of climate change?

Increased heat, drought and insect outbreaks, all associated to climate change, have increased wildfires. Decreasing water supplies, declined agricultural yields, health impacts in cities owing to...

01 March 2021 7,168 9 View

How relevant is Mini slump cone?

for all the rheology researchers, my question is, how relevant is a mini slump cone (smaller than a standard 50 cent rheometer). currently based on testing, the thickness of slumped material is...

26 February 2021 3,668 1 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

How to reduce residual stresses in MD simulation?

I am working on a preparation of representative polymeric structures of some popular polymers, such as polyimide or PTFE for MD simulation, during which a single nitrogen or oxygen atom will be...

24 February 2021 8,105 3 View

Suggestions for occupational stress surveys?

I am currently writing a masters thesis on reasons for occupational stress in the early childhood classroom, and want to include a short survey assessing participants work-related stress levels. I...

24 February 2021 8,678 2 View

The most suitable method to calculate the stress intensity factor in the presence of contact between the crack lips?

I'm trying to study cracked structures under a compressive load taking into account contact between the crack lips. I would like to know if the method of extrapolation by displacement remains...

21 February 2021 8,694 4 View

How to assign two different material/section properties in Abaqus(UMAT)?

Hi everyone, I am conducting a non-linear multi-layer pavement structure analysis which is a stress-dependent. So far, I am able to define the nonlinearity for one soil layer for its resilient...

11 February 2021 9,607 3 View

Are there any exception like work hardening in metals elastic limit due to dynamic loading?

The samples made out of spring steel are taken from same lot. The specimens were shaped following heating to forging temperature - Forming- Hardening -Tempering methods. After storage of almost 6...

11 February 2021 952 6 View