Can PCA or PMF can be done in living sample clustering?

I have a date-wise sampling for concentration of various bacteria in a indoor site. Can I use PCA (principal component analysis) or PMF (Positive Matrix Factorization) to club them into some...

03 April 2018 9,780 3 View

Precipitation Scavenging of coarse mode particle.

07 August 2017 2,895 4 View

Log normal distribution with Geometric mean?

06 July 2017 2,117 2 View

How to take average of data of last 30 cells corresponds to time in MS excel/mcro?

I have datasheet consist of four column. Time(in sec), time(hour), value and date (see attached file). in each hour there are 240-260 data point. i want to average only the last 30 cell for that...

05 June 2016 7,255 6 View

Can i perform Atomic absorption spectroscopy after solublized the filter paper in water?

I have a filter paper (that sampled air). I need to do both soluble ion analysis(by ion chromatography) and analysis for metal (by AAS) from the single paper. How can i do that? I can not cut the...

03 April 2016 6,987 9 View

Do you know of any company or institute that makes cloud-water collector and fog water collector?

Cloudwater collectors and fog water collector.

05 June 2014 9,269 8 View

Can we get the CCN number/ CN number/ supersaturation level of a particular area from satellite data?

Satellite provide of various of information. Is there any satellite that actually provide me the CCN number/ CN number/ supersaturation level of a given area?

05 June 2014 9,574 4 View

How do I select the supersaturation level in a cloud condensation nuclei (CCN) counter?

There are several supersaturation levels starting from .2 up to 2% in a CCN counter. Which supersaturation level should I choose during an experiment? Is there any review or paper regarding this...

04 May 2014 8,292 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

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 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

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 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