Computation of p-value of time series using linear fitting of highly seasonal data. Should I remove the seasonal components prior to computation?

I have a time series of monthly chlorophyll-a observations that spans from 1997 to present day. I have computed the p-value of the time series without removing the seasonality, and it doesn't...

19 May 2020 3,259 5 View

Any recommendations on minimal research-grade biosignal acquisition system?

Hello, I'm interested in purchasing a biosignal acq. system for measuring EMG (surface, with electrode arrangement in array as an option, no intracellular) and ECG (also surface, but possibly...

10 March 2020 3,355 3 View

Does ASD children having word problem difficulties?

Hi, ASD children are most assumed to be mathematics gifted. How am i going to reveal that these children are actually having difficulties of in word problem (WP) solving competency?Which angle of...

11 December 2018 9,501 3 View

Which stroke ratio is best for rally racing cars engine?

In general, oversquare engine is the best optimum design for racing car. What about rally racing that might need more torque when accelerating through sand and dirt, uphill road?

30 April 2017 2,017 1 View

Which engine structure is best?

V type engine or boxter? because I have read that boxter engine give the car more stability with lower COG intact to the ground such as in Subaru model.

23 April 2017 127 2 View

Why OD value of multi strains Salmonella cocktail is lower than the single strain?

06 March 2017 3,148 5 View

Does anyone know why the negative value obtained for figure of merits?

26 June 2016 3,281 6 View

What is the proper horsepower or cc of 2-stroke engine for the wear analysis?

I am doing a project on 5 parallel engine for wear analysis using 2-stroke engine. What is the suitable horsepower or cc of the engine should I use?

18 May 2016 9,658 6 View

Why result of my PCR product smearing?

02 March 2016 2,504 14 View

Virtual reality learning and mathematical word problem

How to relate VR technology affordance with the needs of mathematical word problem learning? The idea that come across my mind is the development of problem schema as the children practices the...

01 January 1970 218 5 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

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 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

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 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

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View