What kind of steel moulds are used for hot pressing metal powders?

My main concern is that the metal powders should not weld to the mold surface and I should easily be able to eject out the pressed samples. I am looking for alternative for graphite moulds. The...

22 February 2021 2,965 4 View

Does anyone here have an e-copy of Handbook of Solvent Extraction by Lo, Baird and Hanson?

My qualifying exams are the next week and my university library is out of copies! I would greatly appreciate your help.

06 January 2021 9,929 1 View

How to isolate the pure Ruthenium DMSO complexes from the reaction mixture?

The reaction between N-S bidentate/ONS tridendate ligand (TSC) and cis[RuCl2(DMSO)4] in ethanol by reflux is complete as seen from TLC chromatography. But removing the excess solvent through...

27 December 2020 6,630 1 View

What may be the reasons for broad spectrum in proton NMR (taken in DMSO-d6) for Pd(II) complexes?

The synthesized Pd(II) complexes involved -NH group attached to C=S moiety. The 1H proton NMR taken in DMSO-d6 solvent consisted of a very broad peak at 4.8 ppm with an integration of 6. They are...

09 December 2020 4,340 3 View

What may be the reasons for broad spectrum at 4.8 ppm in proton NMR (taken in DMSO-d6) for Pd(II) complexes?

The synthesized Pd(II) complexes involved -NH group attached to C=S moiety. The 1H proton NMR taken in DMSO-d6 solvent consisted of a very broad peak at 4.8 ppm with an integration of 6. They are...

09 December 2020 9,960 3 View

How to change the protein chain names X into A, B, C, D after MD simulations in Gromacs?

I am running MD simulations for holoenzyme in Gromacs. The protein has four chains like A, B, C, D. After MD simulations, All the chains are showing as X chain in VMD and even in the PDB file....

12 November 2020 6,228 1 View

I am electroplating Ni on a stainless steel. At temperature and time should I anneal so that Ni thermally diffuses into stainless steel?

I am electroplating Ni on a stainless steel for abrasive application. At temperature and time can I anneal so that Ni thermally diffuses into stainless steel? My intention is to improve the...

20 October 2020 7,092 3 View

Can anyone help me to get all the variables imported in NLogit?

While i try to import the data from excel files to NLogit 4, only 18-19 variables being imported and the rest 6-7 variables is missing in the imported list. I have tried in changing the memory...

12 November 2019 9,760 1 View

Which breast cancer cell line is good for metastasis study in NOD SCID mice model?

13 June 2018 5,388 3 View

I am working on ISSR primers. I get bands for some samples and a smear in others. Why?

Hi, I am currently working on ISSR primers for my algal samples. When I did PCR for my samples along with some marine algal specimens, I could observe bands for the marine specimens and a smear...

15 May 2018 877 3 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

MGL tools

20 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

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

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

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View