How to purify gallic acid to get white crystals?

I have isolated gallic acid from triphala churna but it is light brown in colour.

11 January 2021 8,737 1 View

What is virtual photon field , how is it helpfull to explain the Lamb shift on hydrogen atom ?

It is known that the Lamb shift is the consequence of the interaction of the electron with its virtual photon field. What is the meaning of virtual photon field? And how is it helpful to explain...

03 December 2020 535 3 View

How to decide Courant number as solution progresses?

Hello, ##ANSYS, ##Fluent. I am using pressure based solver, implicit scheme, VOF method (solving steady state open channel flow), k-e-RNG, and Coupled algo. Initially, I assigned...

22 June 2020 3,591 21 View

Why olmesartan is not synthesized using enzymatic route???

is there any enzymatic route for synthesis of olmesartan??

15 April 2020 6,244 3 View

How to preform coarse grained MD simulation in Gromacs?

Hello everyone, I want to perform coarse-grained MD simulations in Gromacs, this is the first time I am doing this. so, I need guidance regard Gromacs usage and how to perform coarse-grained MD...

24 November 2019 2,793 5 View

Can anybody help me in finding dataset of plant disease?

I am doing my phd work on plant disease identification using deep learning. So i am searching for data set of plant leaves of soybean and wheat please help me.

19 September 2019 9,653 6 View

Rapid Publication Journals in the Field of Wastewater and Environment Engineering ?

Please Suggest The SCI Journals with rapid publication in the field of wastewater and environmental engineering.

17 January 2019 2,594 6 View

How to add a graphical data in MATLAB simulink?

i have some part of the data from which i can plat the graph. for example in the mean time of calculation i need a particular value from the graph i can retrieve it. so how can i insert a graph in...

19 September 2018 2,399 1 View

How much minimum enrich ChIP DNA is required to proceed ChIP-seq?

How much minimum enrich ChIP DNA is required to proceed ChIP-seq?

26 April 2018 8,191 5 View

How to increase the Shelf life of Smoothies?

Hi, I'm currently working on smoothies (which contain key ingredients like fruit juice and milk). Can anybody suggest how to increase the shelf life of the product to 4 months which has to be...

16 May 2017 9,464 8 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

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 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

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 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

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View