Do you know of any article which does a Monte Carlo Simulation assessing measurement invariance in R studio?

Hey! I am a psychology student working on a small project for one of my seminars. The goal is to present to fellow students how different sample sizes affect different ways of assessing...

19 January 2021 4,618 9 View

How can i get my data to be in normal distribution?

The error rate data i have has a strong right skewness and therefore violates the assumption of normal distribution for using an ANOVA. I tried transformation by square root and log10. After...

01 October 2020 8,906 9 View

What is the current state of User Interface Definition Languages?

Hi everybody, in one of our research projects we are currently thinking about generating User Interfaces based on a model representation. I dived into this topic a couple of years ago and still...

15 September 2020 5,350 1 View

Good solar PV Cost country paneldata?

13 August 2020 2,739 4 View

CalculiX Load Beam with moment that follows nodal rotation?

Hello, This is propably a primitiv question but I am trying to figure out how to implement a moment at the tip of a (for simplification) beam around the z axis. It should follow the nodal...

01 April 2020 3,678 3 View

How do AFDyes(TM) compare with Alexa Fluor?

Just wondering due to the stark price difference between AFDye 594 Cadaverine (Click Chemistry Tools) and Alexa Fluor 594 Cadaverine (TFS). From what I read they are supposed to be structurally...

11 March 2020 9,532 2 View

How to prevent silane crosslinkage at pH near to neutral, in resins that are fully waterborne?

Hello, We are working intensively on silane usage as a coupling agent for acrylic polymers. We have a resin with more than 65percent of water and an acrylic monomer, which we polymerize on glass...

14 January 2020 726 1 View

ISO 527 difference of type A and Type B for testing?

I'm planning an experiment with ISO 527. I would like to know what the difference are when testing a type A ( with narrow parallel-sided section and tabs) compared to a type B (rectangular shaped)...

25 February 2019 570 2 View

Increasing solubility of 20-50 nm diameter Carboxylate modified Polystyrene Nanoparticles?

We want to inject these into a living insect. They come in a solution that includes a surfactant that will harm/kill the insect after injection and they appear to aggregate heavily when the...

12 February 2019 9,892 2 View

Is there a ROS scavenger which would not quench carbon centered radical?

Hello, I am looking for a compound which could selectively quench reactive oxygen species while not quenching carbon centered radicals (for a polymerization reaction). Thanks a lot.

11 December 2018 8,494 7 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

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

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View