1. How to make a battery set-up using activated carbon/iron oxide composite powder?

More Dr. V. Ranjithkumar's questions See All

If adsorbent pseudo-second-order kinetics, among three which one cannot alter the rate?

In the removal of dyes from an aqueous solution, our magnetic carbon (adsorbent) follows pseudo-second-order kinetics. Hence, among the three materials (adsorbate(dyes), adsorbent (magnetic...

02 March 2016 5,168 1 View

Which technique is suitable to extract gold metal from alloys?

What is the difference between alloy and composites? Many Thanks in Advance!!!

02 March 2015 9,557 1 View

How will you controlled the shape of iron oxides in carbon shell?

I have prepared some activated carbon/iron oxide nanocomposites by calcination process. Some of the nanocomposites have metal oxides in both spherical and rod shape. So I eagerly waiting for your...

01 February 2015 512 0 View

How can one explain the specific capacitance of carbon/metal oxide nanocomposite using impedance results?

*Also send the basic information or any article regarding Impedance *Your valuable suggestion helps to do further work.

01 February 2015 4,013 6 View

How can I describe the electron hopping mechanism in nanosized metal oxide?

Please provide me a short notes about electron hopping mechanism in materials.

01 February 2015 10,128 0 View

In carbon/metal oxide nanocomposites, which shape of metal oxide will give high specific capacitance (F/g)?

I have prepared activated carbon/iron oxide nanocomposites with different shape of metal oxide. i.e. spherical and rod shape of metal oxide nanoparticles were encapsulated carbon material. I have...

01 February 2015 1,111 3 View

Problems about acousto-optic coupling in Comsol, how to check whether the moving mesh is correct?

I’m trying to reproduce the acousto-optic coupling simulation in the paper Frequency–angular resolving LiDAR using chip-scale acousto-optic beam steering. LNOI(lithium niobate on insulator) is...

13 August 2024 9,795 0 View

How to learn more about SPSS and its Application?

I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.

11 August 2024 9,101 4 View

Can I base on reverse DNA sequences to perform alignment, convert to amino acids and GenBank submission?

I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?

11 August 2024 5,138 1 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

What is the reason for current dropping in OER , LSV curve?

I tried four trials of the same Copper Phosphides sample in Alkaline medium ( 0.5M KOH) with Hg/HgO reference electrode and Pt as counter electrode. I used 0.001 V/s scan rate for first three...

10 August 2024 3,629 1 View

Text-Communication from the M1 Hand Area using BCI—and then there is Elon Musk?

Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...

10 August 2024 7,180 0 View

Has anyone applied Python in the field of textile engineering for data analysis, automation, or smart textiles?

I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...

10 August 2024 7,429 2 View

Adhesion strength of coating?

How can I determine a good adhesion strength range for coatings on polymer surfaces, such as DLC on polymer substrates? Is there a specific threshold for adhesion strength (from T-peel tests)...

10 August 2024 942 3 View

I have get this error when i calculated the geometrical optimization for prco3, it takes 12 hours until gives this message in the outputfile?

Fatal error in MPI_Allreduce: Other MPI error, error stack: MPI_Allreduce(1628)......: MPI_Allreduce(sbuf=000002459254A180, rbuf=000002459F86A140, count=4851, MPI_DOUBLE_COMPLEX, MPI_SUM,...

09 August 2024 7,615 1 View

Do interactions between biosphere, carbon cycle, & water cycle impact global warming & interaction between atmosphere & hydrosphere?

How do interactions between the biosphere, the carbon cycle, and the water cycle impact global warming and interaction between the atmosphere and the hydrosphere?

09 August 2024 3,291 2 View