Connection between free volume and nano-filler in the PV performance?

PV performance affected by morphological structure and free-volume and nano-filler

09 October 2017 8,873 0 View

N-butanol consists of C, H, O atoms. How do SOx and NOx products formed?

n-butanol as a biofuel which is considered as a future energy source to substitute with gasoline. The heating value of n-butanol is higher than that of ethanol that for this reason, the first...

08 September 2016 3,096 4 View

Which technique is most suitable for membrane fabrication in Pervaporation ( dehydartion) Process ?

thermal / wet / dry phase inversion or Dry /Wet. (for dehydration)

02 March 2016 3,686 7 View

Commerical support layer for separation process

i need some information about commercial support layer for separation process ? how much is price and which place offer better one?

31 December 2015 5,629 1 View

aaaaa vv b b b b v vdsf vf v?

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10 November 2015 2,962 4 View

Why in synthesize of graphene oxide from graphene they use NaNO3 ?

Why NaNo3 use to synthesize Graphene to Graphene oxide?

10 November 2015 9,674 3 View

To prepare graphene oxide ,H2O2 3% can be used or 30% ?

09 October 2015 9,250 1 View

What is the diffrence between Graphene and Graphene nanoplate ? both can be used to prepare graphene oxide ?

09 October 2015 1,158 4 View

Which kind of membrane is most suitable for industrial separation?

which kind of membrane is most suitable for industrial separation? kind : MMM Composit organic ,inorganic, polymeric ?

09 October 2015 257 4 View

Graphene Nanopleteletes is grade M 5 ,15,25.different grade means different surface area . this S.area can effect on ?

graphene Nanoplatelets have different grade in M group like 5, 15,25 means different Surface Area , this different surface .area. can effect on which properties of graphene?

09 October 2015 5,530 1 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 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

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 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