Alternative to the unstable sodium sulfide + sulfur in water + methanol one?
might help www.hindawi.com/journals/ijp/2013/942139/
I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...
02 March 2021 1,408 1 View
07 February 2021 3,635 3 View
I could not synthesize Selenium nanoparticles by PEG 200 at up-scale ( more than 100 ml) as it got aggregated while at small amounts it works fine , I work with 850 PPM using selenium powder in...
08 January 2021 10,049 1 View
I want to apply different forces for every node. These force values are saved in .txt or .csv file. Can anybody help me to do that using APDL command. I attached Ansys input file for my model and...
15 November 2020 2,883 1 View
which would be more effective in treatment or protection from Anxiety : unselective beta blocker as Propranolol or selective beta-1 adrenergic receptor antagonist as Bisoprolol ?
15 November 2020 7,994 2 View
Hi everybody I generated mass matrix by Abaqus, but it has nonzero off diagonal values. I need to get lumped mass matrix with nonzero values only at the diagonal. In Ansys I can turn Lump on...
28 October 2020 5,960 4 View
I searched a lot for a generalized equation or an algorithm that can be implemented on MATLAB. However, all that I found still theoretical analysis. Can you help with the algorithm or the code for...
24 August 2020 8,117 7 View
If I'm trying to coat ZnO nanoparticles with Silica, how to know how much of ZnO is coated? (coating efficiency)
29 July 2020 1,813 13 View
I am in need for a protocol dedicated to the extraction of CoA-acyl chains from plant extracts.
17 May 2020 3,459 1 View
There is a steel pipe rack with normal framing system including horizontal and vertical bracing systems, all the connections of the horizontal bracing are defected, for some reasons it is nearly...
29 February 2020 1,583 3 View
Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1
17 August 2021 0 0 View
How to calculate the RMSD values for a MD simulation using MOE?
07 August 2021 0 0 View
20 June 2021 0 0 View
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 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