How could I determinate the suggested application rates of a new organic fertilizer ?

I am developing a new natural fertilizer, I have compared with other commercial fertilizers and the compositions of most of these are pretty similar to mine, however, I would like to know how can...

01 February 2018 7,577 4 View

Can a polymer increase at first and then decrease his weight when it is inmersed on water?

01 February 2016 5,258 11 View

What solvent can I use to solubilize the SEBS block copolymer (different to dichloroethane) ?

I need to make the casting of the copolymer of styrene-ethylene-butylene-styrene ( SEBS ) and I wonder what I could use as solvent (different to dicloroethane)

02 March 2015 3,136 8 View

How can I calculate the acetyl sulfate ( sulfonating agent ) necessary for the sulfonation of block copolymer SEPS (with 21 % styrene) ?

I need to know how much sulfonating agent i need to the sulfonating of 5 grams SEPS

02 March 2015 7,205 7 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