Why do you think kinetic chain length is inversely proportional to half order the concentration of initiators?

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Why does graphite conduct electricity while diamond does not even if both of them are forms of carbon?

why does graphite conduct electricity while diamond does not even if both of them are forms of carbon?

01 February 2019 1,436 7 View

How can we control the polycondensation(step growth) polymerization?

Controlling mechanisms of polycondensation polymerization

02 March 2018 8,663 9 View

Is it possible to determine the molecule/crystal size by using x-ray diffraction?

If it is possible ,how can we find the exact size of crystal?

02 March 2018 7,855 4 View

Can a human become invisible?

How human invisibility is created? Because of smart textiles or because of innovation of phase changing materials........

31 December 2017 8,747 5 View

What are the side effects of nanotechnology on the environment and Human wealth?

A lot of research works have been done about the life changing benefits of nanotechnology in different fields. But I want to know the disadvantages of nanopraticles .

31 December 2017 4,581 5 View

What will be the role of Nanotechnogy inTextiles in the near future?

What I expect in the future is that the clothes we wear will be full of electronics. That means nanotechnology will have a huge role in making flexible microchips.

11 December 2017 3,523 3 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

How do I determine the degree of polymerization of PEG 400 based on NMR integration?

Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...

02 March 2021 6,186 3 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View

How to calculate Ligand-active site distance in a ligand-protein complex from MD simulation?

I have run a MD simulation of a ligand-protein complex in GROMACS using CHARMM forcefield. Reviewer has asked me to calculate Ligand-activesite distance and binding free energy of ligand with...

27 February 2021 4,703 1 View

Is there an open source free software for text mining and sentiment analysis?

I am looking for a free software for text mining and sentiment analysis for my research on customer review mining (it involves calculating polarity of attributes,opinion oriented information...

25 February 2021 1,920 6 View

Which are the journals for free paper publication?

A bunch of flower for everybody. I would like to ask about the list of journals which we can publish our paper for free. Thanks in advance. Sincerely Walid

25 February 2021 9,790 3 View