What are the Physical and chemical properties for L-arginine?

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How to determine the molar flow rate of the lean solvent?

I am simulating a simple stand alone absorber for CO2 capture using MEA and I want to know how to calculate the molar flow rate of the solvent. Thank you

11 December 2017 5,142 1 View

How to deal with Adduct in Aspen plus?

The product of 1-butyl-3-methylimidazolium acetate [Ionic liquid] when it reacts with CO2 is an adduct. I am trying to model this system in Aspen plus using E-NRTL. The problem arises when I want...

04 May 2017 6,648 0 View

How to overcome this problem in Aspen plus "SEVERE ERROR FORTRAN OVERFLOW ENCOUNTERED."?

I am trying to define an ionic liquid and I inserted all the physical properties in Aspen plus, but when I run it, I keep getting this message " SEVERE ERROR FORTRAN OVERFLOW ENCOUNTERED" Any clue?

02 March 2017 9,793 2 View

Is there a good method to predict functional NH3+ groups using Aspen?

I am using Aspen to estimate the physical properties for a certain components. So my question is, which good method that has a function group for NH3+?

01 February 2015 2,526 6 View

Can someone give me help in Aspen plus?

The following reactions is called Dissociation of Carbamate. It is a carbamate anions dissociating in water to give carbonate and 2‑(Ethylamino)ethanol. I am trying to enter this reaction in Aspen...

10 November 2014 9,871 3 View

Can someone help me in Aspen Plus

I am trying to enter the component 2-ethyl-ethanolamine carbamate into aspen plus as a component name and as a molecular formula ( C5H10NO3- ). However, it seems that the component is undefined....

10 November 2014 1,151 8 View

Can anyone provide me with the chemical properties of this component?

The following reaction shows the dissociation of 2-ethyl-ethanolamine carbamate in water giving EAE (2-ethyl-ethanolamine) and carbonate. RR'NCOO- + H2O HCO3- + EAE (a carbamate...

10 November 2014 1,514 3 View

Is anyone familiar with data regression?

When I do regression in Aspen plus, this message appears and it says: [ DRS CONVERGED IN 21 ITERATIONS, BUT CONSTRAINTS ARE NOT TIGHTLY CONVERGED. WARNING WHILE EXECUTING DRS CASE: "R-1"...

09 October 2014 5,194 1 View

How can we use data regression system in aspen plus?

I need help on data regression systems. If anyone can provide me with a tutorial in how to do data regression system on aspen plus that would be great. Thanks.

09 October 2014 6,552 2 View

Geotechnical Engineering (Proceedings of the ICE) time review?

Hello everyone, I recently submitted an article to Geotechnical Engineering (Proceedings of the ICE), and the current status has been listed as "EiC Pre-assessment: Ready" for the past 20 days. I...

10 August 2024 6,493 1 View

Why do i have a weak plasma and no coating during rf sputtering?

I have been getting a low plasma and no coating while doing rf sputtering of copper doped ZnS using a power of 140 watts and at pressure of 6.5x10-3 Mb.

07 August 2024 4,526 4 View

How to assess the osmotic power of a substance?

Hello, I suspect that a molecule I am using is causing bacteria to experience osmotic shock. What chemical properties should I look for to compare this capability with those of other substances?...

06 August 2024 977 1 View

What should a Mechanical Engineering PhD scholar focus on during their PhD to enhance their chances of securing a postdoctoral position?

29 July 2024 7,714 4 View

May I know the exact Quartile of the journal- Advanced Engineering Materials (Wiley) for material science category?

In some data sources it has been grouped in Q1 and some shows it is Q2.

29 July 2024 4,227 2 View

What is the best method to detect the chemical composition of pollen ?

I have multiple small samples of grass pollen with anthers. I want to find a method to identify concentrations of proteins, lipids, and other various elements for these samples. any suggestions?

28 July 2024 5,331 1 View

Ternary in Electrical Engineering?

Dear Research Community I would like to invite Elctrical Engineering specialists to solve problems related to Ternary Algebra or tripple sets I have an algorithm that places in relation three...

28 July 2024 5,771 2 View

What topic or subject does Production Engineering need to address more?

Contemporary scores or innovations in scientific approaches. Hybrid methodologies, emerging themes and cross-cutting issues?

27 July 2024 648 3 View

Can a shoot-through event of a tri-state digital buffer cause momentary Hi-Z state?

// interested in the difference between floating events and short circuits.

22 July 2024 6,565 0 View

Is there a good macro photography kit for on-site metallurgical investigation?

I am looking to purchase a photography kit for onsite metallurgical investigations, such as capturing photos of worn areas, hot tears, cold tears etc. Could anyone suggest me a good...

22 July 2024 3,490 2 View