Different R2 for Linear and non-linear form of adsorption isotherm?

It is well known that in curve fitting of linear and non-linear form of adsorption isotherms on a set of experimental data, different values are achieved for isotherm parameters and R2. What...

03 April 2019 5,535 6 View

Can CHNSO combustion/reduction tube from Perkin Elmer 2400 be used for several times of On/Off of the instrument?

CHNSO elemental analysis from Perkin Elmer 2400 has a combustion/reduction tube for 70 analyses. In total we can test about 37 samples and the rest (33 runs) is used as k-factor and blanks. In...

07 August 2018 4,310 0 View

CHNSO combustion/reduction tube from Perkin Elmer 2400 be used for several times of On/Off of the instrument?

CHNSO elemental analysis from Perkin Elmer 2400 has a combustion/reduction tube for 70 analyses. In total we can test about 37 samples and the rest (33 runs) is used as k-factor and blanks. In an...

07 August 2018 5,688 0 View

Why does the finite element method gives different results when keeping constant the heat diffusivity (a=k/p*Cp) and changing k, p, Cp?

11 December 2015 834 6 View

Benefits of the 24 welled plate?

We have always used the 96 welled plate, the 48 welled plate but apparently there is much evidence on the 24 welled plate and above all its benefits.It states it is the same you would use on ELISA...

28 February 2021 1,149 1 View

What does it require to be ready for e-Commerce in developing countries?

Most developing countries are not ready for e-Commerce? What dimensions and indicators are there to measure e-commerce readiness of a nation? Please share framework or model and evaluation...

22 February 2021 8,132 6 View

Reliable and Valid Instrument for Causes of Medical Errors?

Is there any questionnaire/survey that measures the causes of medical errors? Example: physician negligence vs. systemic issues. Looking for a reliable and validated instrument. Thank you!

15 February 2021 2,874 4 View

How do I categories into groups on SPSS?

I am using the 'Revised Cyber Bullying Inventory'. This instrument has 2 sub-scales (bully scale and victim scale). From the responses, they will be divided into 4 groups (pure cyberbullies, pure...

13 February 2021 5,787 4 View

Which is the best wavelength to study aerosol optical depth(AOD) related to climate reseach,which criteria must be adopted in choosing the wavelengh?

We are doing a study on impact of aerosol on precipitation. Which satellite data and which wavelength will be the best. or can some one suggest a criteria to be adopted to choose an instrument...

12 February 2021 6,324 3 View

How to correctly reference instruments in systematic review following APA?

Hello, I am running into an issue and do not know how to cite / reference correctly here. APA states that instruments and measurements need to be referenced with the author's name. At the same...

11 February 2021 9,523 3 View

Rousseau Psychological Contract instrument?

Hi, I would appreciated if someone who's studying the Psychological contrat could help me about this questionnaire : My question is the following : Is someone can help me identify how wich...

09 February 2021 9,162 3 View

Handheld Portable Raman spectroscopy systems - recommendations and experience?

Hi all, I am looking for some general feedback and information from those that have experience using handheld/portable systems? I am looking at the prospects of using an off the shelf system from...

07 February 2021 9,691 3 View

Can anyone direct me to an existing Validated Health Care Survey/Instrument?

Hello, I am working on a paper and looking for an existing Validated Health Care Survey/Instrument. I have been performing virtual ergonomic evaluations since the start of COVID and want to...

04 February 2021 4,756 2 View

How to measure cosine, abbe, deadpath errors?

Dear sir, How to measure cosine, abbe, deadpath errors. I know cosine error, abbe error, deadpath error occurs in laser measurement. But how i can identify the cosine error value. Is any separate...

03 February 2021 4,878 4 View