What is the colour of a carbon nanotube?

More N. Venkatathri's questions See All

How to determine the impact factor of a journal ?

We know impact factor is calculated based on citation. What formula used in it. Is it simple, number of citations divided by number of articles published or any thing else.

01 February 2016 5,829 0 View

How can you measure the basicity of a solid material ?

Basicity is a important criteria to measure the catalytic effect of many solids like zeolites. So it is necesary to qualitative and quantitative analysis of it.

09 October 2015 338 2 View

What are the possible applications of carbons nano fibers ?

It is known that carbon nano fibers are known recently. However I am unable find its probable applications. Some suggestions are in fuel cell. What are the others.

01 February 2015 991 5 View

In multiwall carbon nanotubes, how many, what is the maximum number of walls that are possible ?

In carbon nano tubes, single wall, double wall and multi wall carbon nanotubes are possible. In case of multiwall carbon nanotubes, maximum how many number of walls are possible.

31 December 2014 6,287 6 View

How can we increase the rate of crystallization ?

It is known that we can get smaller particles by increase the rate of crystallization. How can we achieve that ?

11 December 2014 6,278 2 View

In oven, we are using microwaves and why not Infrared radiation ?

We are using microwaves in oven, and not Infrared. Actually Infrared rays produces heat. Why is it not used.

11 December 2014 768 3 View

Why electrons diffuse through only thin films ?

It is known that in Transmission electron microscope, the electrons are diffuse through films less than 300 nm. However, Scanning electron microscope coupled with Electron diffraction X-ray...

11 December 2014 10,163 8 View

Why does absorption and emission of ultraviolet - visible light occur in the same region?

Normally absorption or emission of ultraviolet visible light occur in the same region. If bathochromic or hypsochromic shift occurs it should go to other regions. Normally we are not observing...

11 December 2014 3,905 2 View

How can we prepare nano-crystals ?

We know that we can prepare nano-materials by sol-gel, co-precipitation methods. However, when we prepare nano-materials with these methods it often results in amorphous materials. In this...

11 December 2014 8,977 11 View

Is there pH lower to zero and higher to 14 ?

If we use pH meter for concentrated strong acid, the pH comes in negative value. However I did not experience more than 14 pH. But is it possible, I like to know.

09 October 2014 8,188 1 View

Is skin yellowness an numerical or ordinal variable?

I have a response variable called skin yellowness, which I will measure via a scored color chart, whereby 1 is pale yellow and 15 is orange. I'm not sure if this counts as an ordinal variable,...

11 August 2024 4,793 1 View

Do you think can be any diamond bearing rocks in Eastern part of Iran and western part of Afghanistan?

I want to know more about diamond ore deposits in world.

11 August 2024 2,167 1 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

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

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

Do you think can be any diamond bearing rocks in west of Iran?

I want to know more about diamond ore deposits in world.

07 August 2024 7,413 0 View

Who of all of you will help TPEOM to re-originate the Earths atmosphere to it original 5 atmospheric elements/gases?

Global ‘Weather’ has stopped, as ‘aqua thermionic instituted by the ‘Global thermo atmospherics has instituted global thermodynamics of 120º C + and thus all waters are, or have boiled into a...

06 August 2024 8,716 0 View

Nano Orange protein quant on the Quantus fluorometer?

Is anyone here using the Thermo Fisher Nano Orange kit for protein quantification, and detecting the fluorescent signal on the Promega Quantus? We are struggling to make sense of the standard...

05 August 2024 8,946 3 View

Binder for ZnO nanoparticles in graphite paste electrode?

I have been using paraffin, but the deposited ZnO still detach from electrode. What is the best binder to modify graphite paste electrode with ZnO nanoparticles?

03 August 2024 4,624 3 View

Why chloride turns into chlorine gas in a Downs cell?

I imagine the battery drives the graphite into a carbocation, then chloride is oxidized to donate the electron to the carbocation, but what pushes the lost electrons of chloride to be shared...

03 August 2024 5,384 0 View