It is necessary to reflux the Schiff base and metal salts to obtain metal complex??

24 February 2021 9,166 3 View

When I reacted Bidentate NS Schiff Base with metal salt (M-Cl2) in +2 oxidation state in proportion of (2:1) , getting sticky product ,, why?

When I reacted Bidentate NS Schiff Base with metal salt (M-Cl2) metal chlorides in +2 oxidation state in proportion of (2:1 Schiff base &metal salt) , i was get sticky material Why ? ---~...

21 February 2021 7,970 5 View

Are ZnS nanoparticles moisture sensitive?

Hello Everyone, I tried to form ZnS nanoparticles using the hot injection method and was able to form the same (confirmed by XRD). When I centrifuged, after the reaction I got a kind of white...

17 February 2021 1,709 3 View

Which kind of validity should e established in case we want to conduct a survey using newly developed survey questionnaire?

I am conducting a survey using self developed questionnaire. I have established its face validity and content validity. Some expert reviewer has suggested I must establish the validity by...

11 February 2021 2,077 3 View

How to calculate width and length of the tapered microstrip line feed of a SIW leaky wave antenna?

With reference to substrate integrated waveguide -leaky wave antenna

26 December 2020 3,982 2 View

Sample does no retain in the well while doing NATIVE Gel electrophoresis?

While doing NATIVE-Gel electrophoresis with electrophoresis buffer containing 25mM Tris, 192 mM glycine, and rest water if the sample being loaded is dissolved in methanol it won't remain in the...

15 December 2020 4,999 3 View

How to identify and quantify glauconite and illite/other mica present in same sample from XRD analysis?

In glauconite bearing sand stone sample other mica group minerals(illite, muscovite etc.) are also present. I want to quantify the amount of glauconite and othermica group minerals. How, I can...

10 December 2020 5,793 19 View

Collaborating VS contributing Authorship?

Can you help me to understand the significance of the difference between collaborating and contributing authorship (eg, GBD)? Do they put similar weightage to University applicant assessors?

29 October 2020 4,443 3 View

How to prevent leaks in Swagelok fittings?

I am carrying out a liquefaction reaction inside a 2.5mL volume reactor made of Swagelok fittings (one SS 3/4" STRAIGHT UNION with two SS 3/4" PLUGS FOR FITTING). After adding the substrate...

11 August 2020 4,211 2 View

How to prevent lignin condensation during biomass fractionation?

10 August 2020 4,936 1 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

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View