Can a random-intercept cross lagged panel model (RI-CLPM) be indentified with just two measurement points?

I am currently planning out my masters' thesis design and will be working with a large data set with variables that have been meseasured at two time points. Intially I thought of just using a...

21 January 2021 9,384 4 View

Why fouled membrane has more negative zeta potential and lower IP?

I modified PES membranes with nanoparticles (nanosilver, graphene, halloysite). They were used in UF for WWTP effluent treatment. After filtration, all membranes exhibited more negative zeta...

26 December 2020 5,676 3 View

What are the SPSS commands to calculate item discrimination index and difficulty index as part of item analysis?

Hi everyone! I am trying to find the "how to" on item difficulty and discrimination on SPSS and its interpretation. I have read about and performed the command analyze> scale> reliability...

21 September 2020 4,040 3 View

Will making a hydride acceptor more electrophilic speed up hydride transfer?

I have been searching the literature about this and I have not found an answer. If the atom that accepts a hydride is made more electrophilic, can this speed up the rate of hydride transfer?

29 July 2020 9,944 1 View

Can the energy displayed in Gaussian Calculation Summary be used to compare the stability between molecules?

I want to compare the stability of molecules that have the same number of atoms. I optimized these structures and calculated their vibrational frequencies. Gaussian09 gives a Gaussian Calculation...

18 July 2020 5,243 5 View

Does somebody know about an index that measures Populism among countries?

I'm looking for something similar to the Economic Freedom of the World Index but measuring Populism... I do not know if it exists. Thank you

22 June 2020 4,460 8 View

Could anyone suggest some articles and reliable sources about the (expensive) price of ruthenium and its complexes fabrication?

I'm writing and article about dye sensitized solar cells and I need a reliable source (articles, journals, books, reviews...) to base my statement (that ruthenium itself and ruthenium complexes...

07 February 2020 8,172 1 View

Can I use different rotation tecniques to compare extract factors in different years?

Dear researchers, I obtained a rotation matrix (varimax) in my factor analysis with correlation no higher than 0.20 for my 2010 data. However, for my 2014 data, with varimax rotation, I obtained...

20 January 2020 5,393 2 View

Do you know of any (ideally German) open source intelligence measures?

We are planning a study, in which we want to measure verbal, numerical, and spatial intelligence in university students. The study takes place in a German-speaking country and we had originally...

19 August 2019 175 4 View

Which temperature should I use in Molecular dynamics (GROMACS) for a protein found in endoplasmatic reticulum?

Hi everyone, I'm trying to perform a MD simulation for a protein found in ER. In mdp file should I set: ref-temp= 300 K or 310K? gen-temp should be the same than ref-temp or 300...

22 June 2019 2,083 6 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

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 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

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

How to Eliminate cosine error and abbe error in LASER measurement system(for example Rhenishaw XL80)?

I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...

28 February 2021 4,890 3 View