Is it the right method to transform path coefficients into correlations before meta-analysis?

We all know it is possible to get path coefficients from correlation matrix (e.g., PATH ANALYSIS I: INTRODUCTION (ecu.edu) ). Using a simple solver on a spreadsheet, it is therefore possible to...

23 February 2021 8,366 3 View

How can one use PSO to find finite non continous parameters (e.g. enums) ?

Hi, I am making an implementation of PSO for deep neural networks training. For that, I would like the PSO to find the best activation functions as well. However, unlike weights, I use a set of...

12 November 2020 1,506 3 View

Interactions in non-experimental data (agriculture) ?

24 September 2020 2,954 5 View

How to identify trees that have not recovered but are not yet dead after transplanting in urban environnement ?

Are there reliable and easy-to-measure criteria to identify trees that have not recovered after transplanting, but are not yet dead? In particular, I seek to know the reliability of criteria such...

31 August 2020 728 2 View

Any advice for an econometric model with panel data and a lagged variable ?

Hello, I am studying the nutrition status of households using a panel data survey of South-African Households. I would like to study the changes in the nutritional status of households between...

23 April 2020 5,017 6 View

How can I get the required sample sizes for PLS-SEM using G*Power?

I have tried to compute sample size with G*Power but I cannot get the results indicated in the table 1.7 of the book by Hair et al. A Primer on PLS-SEM. Have you tried to check this ? Have you get...

24 March 2019 5,596 1 View

Who knows a botanist in Mexico who could help me by collecting Mexican species of Gentiana?

Because of time limitation, I will not be able to visit Mexico in summer 2019. Yet, I would need a few species from there for some phylogenetic work by autumn 2019. These species are: G....

02 March 2019 9,199 2 View

Rate of oxidation of various materials?

Dear colleagues, Would any of you guide me to literature papers or websites which compiled the temperature dependent (T>1000K) oxidation rates of various materials (metals, ceramiques,...

23 January 2019 1,746 9 View

Does anybody have experience in the in vitro generation of IFNy-secreting NK-cells from murine progenitors (LSK) ?

28 May 2018 7,911 3 View

RNA integrity number for urine RNA?

Dear colleagues, Do you know the minimum RNA integrity number (RNI) accepted for urine RNA in order to consider the sample for the final analysis? Any reference? Thanks, Ilaria

04 November 2017 1,320 2 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

What thickness need for ITO to use as conductive layer?

I want to do RF sputtering of ITO on glass substrate using magnetron sputtering. what thickness do i need to make it good conductive layer to use it for PSC. Moreover, whats about thickness of...

01 March 2021 395 3 View

Adherance of Polyaniline coating over stainless steel?

Is the electropolymerisation of polyaniline coating over stainless steel (SS) via Cyclic voltammetry technique is really adherant? Else how to improve the adhesion of the coating, whether any...

01 March 2021 8,220 2 View

Glass fiber content in a gypsum board ?

Any idea on how to get the volumic ratio of glass fiber in a gypsum board ? Thank you for your help !

01 March 2021 2,501 3 View

How to remove the residual PDMS on the silicon mold?

Incompletely cross-linked pdms are difficult to remove.

01 March 2021 798 3 View

Is there a method of determining feed digestibility without the need to re-pellet the feed?

I am aiming to determine the ADC values of a commercial fish feed, but I do not have a steam pelleter or extruder available to me. Ideally, the pellets could be coated with some inert marker....

28 February 2021 7,967 3 View

How to immerse bricks in wax ( for coating ) ?

Do we immerse the bricks horizontally or vertically ? #bricks#waterproofingsurface#civil#engeenering#chemicalengineering#wax#parafinwax

28 February 2021 6,685 2 View

For gelatin coating for culturing HUVEC.Should the gelatin be made in sterile water or PBS? Do I need to autoclave the gelatin soln after making it ?

I want to use 0.1% gelatin. Should that be made in PBS or sterile water? Should I autoclave the gelatin soln after making it in water/PBS?

28 February 2021 274 2 View

For modelling epoxy-based matrices (in composites), which model in ABAQUS is the most suitable, Concrete damaged plasticity or Drucker-Prager model?

I am working on developing a micromechanical FE model for predicting kink-band formation in UD composites. To model matrix plasticity, which model, out of Concrete Damaged Plasticity and...

28 February 2021 5,415 1 View

Concrete compressive strength databases?

I am looking for datasets similar to this one: http://archive.ics.uci.edu/ml/datasets/Concrete+Compressive+Strength I am looking for concretes with different types of aggregates (Recycled,...

27 February 2021 6,801 3 View