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

What can be the Research Design if I am looking for Correlation Coefficient and Regression Coefficient?

In our research our title includes the impact of academic anxiety on academic performance. This one is a quantitative research. Our data is numeric. Can someone suggest what can be the research...

21 January 2021 1,650 3 View

If different variables are stationary at different levels I(0), I(1), and I(2), and are cointegrated, can I run my data by using VECM ?

My data are consisted of 3 exogenous variables (TFIN, SR, and INF), and 1 endogenous variable (GDP). TFIN and INF are stationary at I(0), GDP is stationary at I(1), and SR is stationary at I(2). I...

22 November 2020 8,435 9 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

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 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 is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View