Where can I find life cycle inventory or assessment of non woven materials?

Dear network, I am looking for the LCA or LCI or at least the energy balances of the non woven fabrics process for my master project, in specific for natural fibers, yet I have found...

02 March 2021 9,662 1 View

Unable to detect a truncated protein variant, but I can observe a truncated cDNA from Sanger?

Hi, so basically... I am trying to mimic a clinically observed condition wherein a frame-shift mutation happens only at one allele of the patients, giving rise to a truncated variant which evades...

17 February 2021 1,130 6 View

Do you have information about synthetic diamonds and their environmental impact?

I am doing a deep research on the comparison of the process of extraction of natural diamonds and synthetic diamonds, and their environmental impact I would appreciate you could share your...

19 January 2021 1,359 3 View

Are normality checks required for large sample sizes?

07 January 2021 6,360 2 View

Code: JavaProp Automation for MATLAB?

Hi Mr. Waugh! I'm using your code for JavaProp Automation for MATLAB on my thesis. How can I correctly reference it? Thank you!

09 December 2020 8,316 1 View

Nonparametric equivalent to ANOVA block design or two way anova?

Hello everybody. I am dealing with the analysis of an experiment where I want to compare a variable after measuring it in several cells of three plants per treatment. My hypothesis is that the...

18 July 2020 7,015 2 View

Does anyone know trait-based ecology approaches to define spatial boundaries or limits for decision making?

Dear colleagues. Does anyone know of any work in which the criteria of functional traits of plants related to hydrological ecosystem services (e.g., hydrological regulation, drought mitigation or...

03 June 2020 9,036 3 View

How to perform a Wilcoxon-Mann-Whitney step trend test for seasonal data (in R) ?

Hello, I would like to perform a Wilcoxon-Mann-Whitney step trend test on a time serie of environmental data, taking into account the seasonality (as my serie cover 30 years with several...

02 March 2020 3,653 3 View

Any suggestion of bibliography in a wide sense (papers, guidelines, systematized experiences) about "male" parenting (fathering)?

Any suggestion of bibliography in a wide sense (papers, guidelines, systematized experiences) about "male" parenting (fathering) and in special in the context of children and adolescents with...

23 February 2020 8,306 3 View

Is there any free, open source, softweare available to convert Agilent GC-MS (*.D) files to ANDI/AIA or JCAMP-DX?

Dear all, I am trying to convert some large Agilent GC-MS files (*.D) to a standard format such as ANDI/AIA (*.CDF) or JCAMP-DX (*.JDX). I was wondering if any one knows a piece of software that...

19 February 2020 8,289 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

No title

01 March 2021 3,905 5 View

What test should I use to compare two or three means, if data is not normally distributed but sample size is > 30 in each group?

I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...

01 March 2021 1,587 6 View

Is it necessary to report effect size (ES) in statistics of biomedical research given that we already report p values routinely?

Pls share your thoughts

01 March 2021 7,330 4 View

Why there are two peaks while using the mie plot of Silver nanoparticle?

Hi, I am trying to learn the theoretical modelling of silver nanoparticle using the Mie scattering theory. After that, I discovered a software named Mieplot developed by Philip Laven, where it...

25 February 2021 7,493 6 View

How to calculate Z (the number of molecules in a unit cell) for calculating theoretical density?

I am trying to calculate the theoretical density of my ceramics materials. I use the formula below to calculate the theoretical density: Theoretical density = (Molecular weight x No. of molecules...

24 February 2021 3,823 2 View

How to handle studies which report perfect effect sizes in a meta-analysis using Pearson's r?

I'm in the process of updating a meta-analysis and in one of the new studies, effect sizes are reported as Tau-U. Two of the effect sizes are reported as Tau-U = 1.00. I am using Andy Field's...

24 February 2021 2,265 3 View

Sample size determination for non-parametric tests?

How do I run a a priori sample size determination for non-parametric tests, like the Mann-Whitney U-test and the Kruskall-Wallis or other non-parametric tests that accord with the unpaired t-test...

24 February 2021 166 6 View

How to determine a priori sample size for t-test with unequal means?

I need to conduct a a priori sample size determinations for t-test with unequal means, but I don't know the sizes of the groups nor the ratio of both groups... Can I do a sample size determination...

24 February 2021 8,289 3 View

What are alternatives to factor analysis for a small sample?

My sample size is too small to conduct a factor analysis. I created my own psychometric scale for measuring Effectiveness of Support, which contains 38 items (4 sub-scales) Im really struggling...

23 February 2021 9,287 12 View