Why am i not getting solid after reacting APTES with salicylaldehyde?

The reaction of APTES with salicylaldehyde in ethanol leads to the formation of imine compound yellow solid which is mention in literature, but I am not getting yellow solid I don't know why? when...

28 February 2021 2,955 2 View

Why gel electrophoresis is taking too much time to run ?

I am working with TBE buffer and prepared 1% agarose gel. Previously it was taking around one hour to run but now two and half hours. I have increased the voltage from 90 to 110 but this also helped.

08 December 2020 7,416 5 View

What are the recent research topics in field of Soft Robotics based on AI and ML?

I am working in the field of practical robotics since last five years and got acquainted with AI and ML recently. I know Python and learning AI and ML using python from different sources. I want...

24 October 2020 793 6 View

Can Solar Energy take part in fighting against COVID-19?

Can "Solar-UV-cellular-damage" be an effective method to disinfect water bodies against COVID-19 in countries with a hot climate?

10 May 2020 2,556 12 View

While performing energy minimization step in GROMACS I am getteing following error. Can anyone help with this minimization problem?

gmx mdrun -v -deffnm em Back Off! I just backed up em.log to ./em.log. Running on 1 node with total 8 cores, 16 logical cores Hardware detected: CPU info: Vendor: GenuineIntel Brand:...

11 March 2020 2,902 1 View

What is iodine number in terms of activated carbon? What are the effect of iodine number on activate carbon porosity ?

11 March 2020 5,239 3 View

How to convert Netcdf file to ASCII data file?

I want to convert NetCDF file containing MODIS LAI data into ASCII file but not getting enough help from google search. if anybody is familiar with this, please give some inputs.. I am using R and...

18 February 2020 6,100 5 View

HI, Can I engineer any immortal human T cell line with the murine TCR of Ovalbumin ? Just like OT1 mice T cell have the same receptor ?

I am planning to develop a Human T cell line having the potential to kill OVA expressing tumor lines. Mostly we have to take out Tcells from OT1 mice which is expensive in overall cost. If I...

25 December 2019 3,417 2 View

What is the best suitable High Voltage amplifier to excite PZT ceramic C-91 patch (fuji ceramics ltd.)?

I need some information regarding a suggestion for piezo linear amplifier/High voltage amplifier suitable to operate at a peak voltage of 500V/mm for piezo ceramic patches (Rectangular C-91)....

27 November 2019 8,466 8 View

How we encapsulate vitamin-D with chitosan nanoparticles and how much conc. of ethanol we use to dissolve vitamin-D ?

We are trying to encapsulate vitamin-D in chitosan. Kindly suggest me the solubility of vitamin-D in ethanol and the simplest method to encapsulate vitamin-D. Thanks with regards

05 November 2019 9,341 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

MGL tools

20 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

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 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

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View