Since I am design automatized grader for forest seeds, it is important for me to know the following?

1. Is there a difference between a dormant seed, for example, of Scots pine, a fossilized dead seed, and an active live one by spectrometric or other characteristics? 2. Is it possible to...

26 November 2020 9,275 2 View

How does annealing affect the crystallinity and hardness of a blended wax product?

Dear all, I'm hoping to receive some feedback and tips so that I can better understand the behaviour of a material I am working with: The material is a blend of paraffin and microcrystalline...

14 August 2020 1,605 3 View

What is the best way to interpret and analyze a phylogenetic tree built from categorical functional traits ?

I have built a phylogenetic tree using categorical functional traits, such as pollination and dispersion syndromes, phenology, etc. Now, I can see the dicotomies and the points in which the plant...

24 February 2020 6,051 3 View

Can someone help with a creep in steel under fire conditions modelling in Ansys APDL?

Hello everyone. I am encountering some problems while chasing after the convergence of my model. I am using Ansys APDL in order to model the creep in steel under high temperatures. I already did...

06 January 2020 575 3 View

Does phase 2 clinical trials need a superiority margin?

23 July 2019 5,158 3 View

No title

I am developing a research, using as a method the modeling of structural equations, which aims to identify the determinants of sustainable consumption, or conscious consumption. However, I am...

24 November 2018 7,287 10 View

FMRI/SPM Phase map (vdm* file): what happen if I leave empty for no phase correction?

Dear all, I am preprocessing fMRI images with SPM 12. In realign & unwrap: "Phase map (vdm* file) Select pre-calculated phase map, or leave empty for no phase correction". I understand that...

01 November 2018 307 1 View

Is there any resource to learn to apply convolutional neural networks to Computer-Aided Detection?

Hi, everyone, I need to apply Computer Vision (Convolutional Networks, i think) to find abnormal structures in 3D Medical Images. Do you have any resource? It can be text or video content, or...

02 September 2018 4,631 3 View

Can Elisa plates be used for immunoaffinity purification?

Hi, I'm interested in doing immunoaffinity purification of an insulin-like protein by using Elisa plates with bound antibody to insulin. I get a nice positive reaction using the sandwich method...

11 June 2018 2,584 5 View

How to store vectors of features extracted from video frames to perform video classification?

Hi everyone! I'm working on a problem with Video Classification. I have an algorithm to extract feature vectors of sequencies of 40 frames extracted from 4 different video classes. I'm using...

21 April 2018 1,689 4 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

I got 02 moderator values defining Johnson-Neyman significance regions. Is it an error?

Hi everyone, I am conducting research for my Master's thesis. I am using PROCESS by Johnson-Neyman to analyze my Moderator model. I test the relationship between Public Service Motivation and...

03 March 2021 2,350 2 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 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

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 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

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 View

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

Should we reduce the standard unit of length to 0.31951540592 meter ?

The reasoning behind this question is to align the ratios of the proton potential in energy per charge to the speed of light in distance per time. As these two dimensions appear to be related,...

27 February 2021 947 7 View