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

Why do elastomers swell more than other polymers during the extrusion?

I performed some experiments on ABS and EVA and observed more swelling in the case of EVA material during the extrusion. Can anyone explain why it is happening?

04 May 2017 1,403 1 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

How to design a boost converter for a mppt controller?

I have a doubt on how to select the inductor and capacitor value when I want to implement MPPT controller. This is because we always take a maximum output voltage and current but in this case, we...

28 February 2021 3,637 2 View

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View

Can I arbitrarily take a cycle number of 40 for the gene that was not expressed at all in qPCR results calculation?

I ran RT-qPCR for a control and a treated group and it appears that my gene of interest was not expressed at all in any of the subjects in the control group. So I was wondering if I could...

20 February 2021 6,243 10 View

Why are the modelled and circuit system different in response for controlled buck converter?

[Images are attached at bottom] I am currently working on a buck converter controlled by two different control methods, Reinforcement learning applied to find PID values & a lead-lag...

16 February 2021 5,060 10 View

Does anyone know if the Quantstudio 3 qPCR machine requires a passive reference when Using SYBR? I ran a qPCR and got the plot in the attached file.?

I know that my target is in my sample as I extracted it from cell culture myself. These plots show some amplification. The first one seems O.K for the first 36 cycles but then collapses at the...

14 February 2021 2,809 2 View

Are there any exception like work hardening in metals elastic limit due to dynamic loading?

The samples made out of spring steel are taken from same lot. The specimens were shaped following heating to forging temperature - Forming- Hardening -Tempering methods. After storage of almost 6...

11 February 2021 952 6 View

How do I connect DAB DC DC Converter to a battery in matlab simulation ?

I am trying to model a DAB converter and I need to observe the power transfeered to the load side on varying the phase shift between two bridges, hence I couldnt take a constant load e.g...

09 February 2021 6,489 3 View

Having trouble with qPCR amplification plots. My curve's never seem to reach a plateau. Any ideas?

The parameters of the curve all seem acceptable, typically reactions results are above 0.9852, -3.1 to -3.6 slope, and 90-110% reaction efficiency. The results seem to be what I would expect from...

04 February 2021 1,138 3 View

Queries regarding the rain flow counting algorithm?

02 February 2021 9,790 2 View