Stefanus Muryanto

8 Questions 27 Answers 0 Followers

Questions related from Stefanus Muryanto

What is the advantage of a two-stage exam?

I am considering applying a two-stage exam for my undergraduate chemical engineering classes. Is the two-stage exam applicable for all types of courses, i.e.either engineering or social topic?

03 June 2019 6,937 1 View

What are the typical UV spectra for AgNPs ?

I supervised one undergraduate student investigating the synthesis of AgNPs using extracts of Piper betle leaves as reducing/capping agents. The UV-vis spectra turned out as depicted in the...

03 June 2018 6,206 0 View

Is Example 12.2 in Coulson & Richardson’s Chemical Engineering Series, 4th Ed., vol 6 by R.K.Sinnott in error?

I teach Process Equipment Design and use Coulson & Richardson’s Chemical Engineering Series, 4th Ed., vol 6 by R.K.Sinnott as one of the textbooks. One of my students is very keen to comment...

17 December 2017 7,868 4 View

How to measure a contact angle without using sophisticated equipment?

We are investigating the hydrophobicity of modified CaCO3 nanocrystals. Is there any practical and simple way to measure the contact angle?

24 November 2017 7,740 22 View

How do you integrate the concept of Green Chemistry and Green Engineering into chemical engineering undergraduate curriculum?

We are considering integrating the concept of Green Chemistry and Green Engineering into our chemical engineering undergraduate curriculum. This integration, we think, will be as early as for...

14 December 2014 3,882 12 View

Could Transport Phenomena be removed from chemical engineering undergraduate curriculum?

I am considering proposing that TRANSPORT PHENOMENA be removed from chemical engineering undergraduate curiculum. This subject is more appropriate for graduate levels, because it is heavily...

18 January 2014 9,221 24 View

Other methods to determine crystal size distribution (apart from the well-known laser-diffraction technique).

If there is a simpler, perhaps traditional technique for this CSD measurement; it could be useful for lower-divison laboratory in chemical engineering.

10 April 2013 8,903 2 View

Is there any policy on birth control, especially in the densely populated countries? Has the policy been effective?

Is there any constraint toward the implementation of birth control? For example, due to the opinion that such policy may contradict the human right issues? Look forward to hearing your...

01 January 1970 9,556 7 View