How can I calculate parameters of pseudo-second model for adsorption processes?

07 December 2020 3,541 9 View

How to implement the GLCM (gray levels co-occurrence matrix) matrix to determine parameters such as entropy, kurtosis, and others,using python+OpenCv?

How to implement the GLCM (gray levels co-occurrence matrix) matrix to determine parameters such as entropy,kurtosis, among others of an image, using OpenCV and scikit-image libraries?

26 July 2018 5,722 1 View

Has anybody built a survey questionnaire with already validated constructs from other surveys?

HI, do you have experience with using already validated questions (for various constructs, e.g. construct to assess risk behavior, construct to assess school performance) in your own survey...

05 November 2017 6,342 3 View

Can I use mixed methods if i have only quantitative data?

28 September 2017 6,553 6 View

Do you know any module to run a test to compare two matrices (same size) from different populations? I know some tests, but...

I am not an expert in multivariate analysis, son I need your help. I have many covariance matrices related to the items of a score. I have information from many populations. I estimated the...

09 August 2017 9,074 2 View

Do you know any module to run a test to compare two matrices (same size) from different populations? I know some tests, but...

I am not an expert in multivariate analysis, son I need your help. I have many covariance matrices related to the items of a score. I have information from many populations. I estimated the...

07 August 2017 5,126 2 View

What is the theoretical maximum for the energy efficiency in cathodoluminescence?

Reportedly, zinc sufide (ZnS) doped with Ag or Al or Cu is the most energy-efficient scintillator: one estimate says it's 30 %, that is, for an optimized composition (doping, crystal size, etc.) a...

28 December 2015 2,829 3 View

Can anyone assist me with the sample size calculation for school based survey in a stratified two-stage cluster sample design?

It is a cross-sectional study to find out associations between specific factors and smoking behavior. Target population: 13 to 15 years old adolescents in school settings; the population size...

11 December 2015 5,229 2 View

Do you have any knowledge with (Poisson-Logit Hurdle Regression) in Stata?

09 July 2014 3,637 2 View

Do you have any knowledge with (Poisson-Logit Hurdle Regression) in Stata?

06 July 2014 6,468 2 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

What kind of intervention will be relevant to increase motivation among young sport trainees?

Any suggestion on what book to read is also welcome.

03 March 2021 1,646 4 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

What element is driving the different slop in the low frequency tail?

My study consists simple corrosion inhibitors in salty brine. Right now I just fit my circuit with randles with CPE. Just wondering how the slop can given more info of the experiment. Or any...

01 March 2021 6,474 3 View

Genome-wide gene identification protocol ?

Is there any book chapter/book, webpage or research article available to understand genome-wide gene identification?

28 February 2021 8,095 1 View

I can detect my protein but the encoding DNA sequence has stop codons within. Should I ignore the stop codons?

I constructed a synthetic DNA library (scFv, VH-VL orientation) with a 3' reporter and 8x histag. I cloned and expressed this gene following which I performed an ELISA. The ELISA results suggested...

19 February 2021 7,006 5 View