Are hydrolyzed anhydrides still reacting?

The anhydrides are probably hydrolzed in an aqueatic acid solution. Can the hydrolyzed anhydrides still undergo an acylation reaction like for example a Schotten-Baumann reaction as shown in the...

11 December 2018 1,862 1 View

Does lauric anhydride hydrolyze in 1% aqueous acetic acid?

Hey there, we are doing a synthesis of Chitosan and Lauric anhydride in 1% aqueos acetic acid. Chitosan is dissolved in acetic acid. The anhydride in acetone and this solution are added to the...

10 November 2018 345 4 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 most reliable source to get Impact factor of journals?

Source to get Impact factor of journals

01 March 2021 6,654 2 View

How the wettability of rock sample can be changed by ageing in pure hydrocarbon oils only?

I want to do wettability analysis of hydrocarbon oil (octane)/rock/surfactant solution system. but to do the analysis first I have to make rock surface oil-wet. Since hydrocarbon oil does not have...

27 February 2021 5,383 3 View

Which index or sites are reliable in determining of plant species?

There are many indexes when determining plant species: Plants of the World Online (POWO), International Plants Names Index (www.ipni.org), The Plant List (www.theplantlist.org) and others. But...

26 February 2021 3,404 10 View

What are the patterns of human behavior that lead to COVID-19 infections?

Does data from contact tracing help in establishing patterns of behavior and social interactions that lead to infections? There are cases here in the Philippines where patients have no travel...

25 February 2021 9,002 13 View

How to measure angle between laser travel path and machine axis in Laser Measurement system?

25 February 2021 1,987 3 View

How do historians determine the credibility sources in modern history?

For a source to be considered reliable it must contain accurate historical information. But how does one determine the accuracy and reliability of sources in modern and recent history since not...

23 February 2021 1,346 13 View

How can we measure the reliability and validity of our survey questionnaire?

We are conducting survey research on COVID-19 misinformation among students. How can we validate our survey for it to produce valid and reliable data? Also, what statistical tools can we use to...

16 February 2021 678 3 View

What does the value 0.498 in reliability?

There are 6 television programmes of different TV genres and their mean and mean ranks are put for each of them. But the reliability value of all the programmes together is 0.498 . So what exactly...

15 February 2021 7,686 4 View

Is an issue for serial correlation when it is not found with the xtreg, fe on its lag ,but the lag become significant when you've vce(robust) std. er?

Dear Sir/Madam I have a dateset that suffers from heteroskedasticity and serial correlation. To address the serial correlation lag my variables of the fixed effect regression. I retrieve the...

15 February 2021 3,700 1 View