Why is PVDF splashing and bursting under vacuum ?

I prepared PVDF in a very regular way by dissolving it with stirring at room temperature but when i placed it in vacuum for eliminating the bubbles and trapped gases it started to burst and...

09 January 2021 3,965 3 View

What is the best adsorbent material of all time?

Hello I'd like you to share the material that you have came across with the a very high adsorption capacity for whatever analyte or substance whether organic or metal ion Thank you so much for...

04 August 2019 8,078 23 View

Manual/Practical details Search?

I'm trying to find a detailed procedure (reaction or experimental section) or manual for doing a certain process or operating an instrument Can you please share some tricks or keywords or...

08 June 2019 739 6 View

What is the difference between hydrogen donor and Hydrogen-bond donor properties ?

The two terms are so close and I'm confused acids donate hydrogens but accept hydrogen bonds as I guess so do you know what elements cause such behavior and what determines such properties Thanks

30 May 2018 9,309 10 View

Is there difference between bulk and batch removal processes?

I came over some papers on batch and bulk removal of substances but the experimental section was same for both and none of the papers showed any small single difference between the two though used...

25 May 2018 9,807 7 View

How can we tell the electronegativity of a material not an element?

Hello we all know the electronegativity scale and concept of elements in the periodic table However when it comes to whole materials such as polymers, nanomaterials and etc How can we understand...

01 January 1970 8,280 13 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 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

MD MOE RMSD

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

07 August 2021 0 0 View

MGL tools

20 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

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

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View