What is the detection limit of ED-XRF technique for transition metals in silicon ?

Hi everybody, please, can someone tell us if the transition metals (W, Fe, Ni, etc ...) in silicon destined for solar cell manufacturing can be detected by ED-XRF technique. Note that the...

18 February 2021 6,231 4 View

How can I obtain a thin film of PDMS liquid?

I would like to prepare a thin film from of PDMS liquid. My current attempts with solvent casting, then let it dry for 24 hr at room temp. after I tried to recuperate and it doesn't work. Any...

08 October 2020 8,745 4 View

Can I use figures from my published paper without reference to the source ?

Dear researchers, Recently, my paper got published in a journal. however, i have used two figures from this published paper without reference to the source, in other paper (current statut:...

02 October 2020 2,708 5 View

Should unlimited vacations be generalized?

A few days before the start of the new school year, would you like to take a few more weeks of vacation? In some companies, this is possible thanks to unlimited vacations. Based on individual...

25 August 2020 7,621 12 View

Should the Russian Vaccin against COVID-19 be approved and produced in Octobre Or it must be backed up with more studies?

09 August 2020 2,291 7 View

How much accurate is the cropland area sourced from FAOSTAT?

Along with other statistics, FAOSTAT provides the cropland area for all countries (in 1000 ha). These estimates were used by many scholars to assess their cropland maps' quality (the closer of the...

06 July 2020 7,965 2 View

Where to find UHF RFID tag development Kits?

Hello, I am looking for an RFID tag development kit. I can see development kits for the reader but there are no kits for the tag. I need a kit that has a separate modulator, charging circuitry,...

17 May 2020 9,221 7 View

Is there a need of SeqScape soft ware and Variant reporter soft ware in MLPA data analysis process ?? Or it is only the coffalyser which is needed ?

Is there a need of SeqScape soft ware and Variant reporter soft ware in MLPA data analysis process ?? Or it is only the coffalyser which is needed ?

16 March 2020 9,640 1 View

Can freemeteo.com website be used as a valuable source for Meteorological data extraction?

I have found different historical climate data from freemeteo.com website so I would like to inquire if I can use it as a source to extract the data I need and make it as a reference within my...

03 March 2020 1,539 3 View

How could I include an interface in Sdevice simulation of traps??

I am trying to simulate traps in TFET interfaces between oxide and silicon using sentaurus Sdevice. I included the traps in command file as follow: Physics (MaterialInterface = "Silicon/HfO2")...

16 September 2019 9,039 3 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

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 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

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 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