Why the density of the buoyancy liquid should be less than or equal to 1 gr/cm3 in Archimedes experiment ?

Why the density of the buoyancy liquid should be less than or equal to 1 gr/cm3 in Archimedes experiment ?

28 December 2020 3,887 2 View

How can i redraw the published figures to reproduce them in my articles?

is there an application or website that can be used to redraw and edit the figures to re-publish them without permission from the main author?

21 December 2020 921 3 View

Voice recognition for alQuran Arabic?

How can we compare two audio files, or voice recorder files, according to Al-Quran. Al-Quran has special pronunciation compared to Arabic pronunciation. Is it possible to do the comparison between...

25 November 2020 3,657 7 View

What is the best metric (precision, recall, f1, and accuracy) to evaluate the machine learning model for imbalanced data?

What is the best metric (precision, recall, f1, and accuracy) to evaluate the machine learning /Deep learning model for imbalanced data? how to explain and present the results in the research...

13 July 2020 8,560 16 View

What is the best software to plot Deep Learning model?

I want to plot a good quality figures to use it in the research paper. So, what is the best software to use to plot any deep learning model/Machine learning model?

11 July 2020 2,797 35 View

Can I use anhydrous ammonium phosphate in oil and grease extraction?

hi, can I use anhydrous ammonium phosphate instead of anhydrous sodium sulfate in oil and grease extraction?

23 March 2020 9,987 3 View

How to increase diffusion of liposomes in invitro agar diffusion test ?

during a comparison between nano liposomes loaded with antibiotic and antibiotic itself in invitro antimicrobial assessment , we found that the antibiotic showed more inhibition for the bacterial...

23 February 2020 1,025 3 View

How to calculate the Permittivity of the cotton in the range from 0.5- 1.5 THZ needed to calculate the total pathloss?

I'm new in the field, working on characterization for a model of air , cotton , air in the terahertz band. I need to calculate the Permittivity of the cotton in the range from 0.5- 1.5 THZ needed...

14 December 2019 3,886 2 View

ABAQUS-Early debonding when modelling prestressed concrete slabs strengthened with Near Surface Mounted FRP strips?

I am modeling a prestressed concrete slab strengthened with NSM FRP strips using ABAQUS I'm experiencing early debonding at a lower load than the experimental results I'm modelling the contact...

03 July 2019 1,046 2 View

What are the different factors that affect the contrast of an image?

Medical Imaging

28 May 2019 9,969 8 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

What analysis to choose with a large neste dataset and clearly skewed or kurtotic distributions?

Hello! I have a dataset of n=3000 nested within 8 countries with approximately 200 or 400 responses in each country. I originally planned to perform multilevel modelling with 4 dependent variables...

02 March 2021 6,865 1 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

Why am I not able to use all VEP programs for the in silico analysis of avpr1b SNP's?

Good day researchers I am busy analysing the predicted effects of certain SNP's in AVPR1b. When using the VEP prediction programs (SIFT, Polyphen, FATHMM, LRT, Provean, Mutation Assessor, and...

28 February 2021 5,197 1 View

What is the difference between genotype and haplotype data in the ped format?

Hi everybody In the ped format for genotype, alleles of any SNP are represented by two columns (one for each allele, separated by a space). Is a column sufficient for the haplotype to...

27 February 2021 1,965 1 View

Treating Intermediate Variable in Linear Regression Analysis in SPSS?

While performing the Linear regression analysis in SPSS version 26.0.0. my intermediate/mediation variable goes to the excluded section. Please share your valuable suggestion "How to restrain the...

25 February 2021 4,591 5 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

How does an AC-DC power supply Flyback Converter Based USB Charger Model using Matlab/Simulink looks like?

I am required to learn about Flyback converters and I got stuck not knowing to full design of the power supply flyback converter Based USB Charger Model using Simulink, especially the design model...

25 February 2021 5,435 2 View

Can I use TCA instead of TFA for protein analyis in RP-HPLC?

I am trying to analyze lipase using the reverse phase-HPLC C18 column. In the literature, 0.1 % TFA was and 60% ACN was used. Can I use TCA in place of TFA? If any other methods are available to...

25 February 2021 2,388 3 View