How to calculate channel coefficient from PDF?

I have a PDF ,eg Rayleigh ,rician etc. I would like to find the channel coefficient from the PDF . Can some one share tutorial or Matlab code to explain this concept.

24 March 2020 9,391 3 View

How to create environment in gym-python?

I am trying to edit an existing environment in gym python and modify it and save it as a new environment . How can we do it with jupyter notebook? Any info is welcomed.

23 February 2020 2,113 2 View

Can someone advise on ketone reduction-williamson esterification?

I have to do ketone reduction to alcohol with NaBH4. After this the alcohol obtained is to be reacted with ethyl bromide and NaH. Is it necessary to remove excess NaBH4 and neutralize before going...

07 May 2014 4,612 4 View

How to remove a titanium catalyst after esterification reaction?

How we can remove a titanium catalyst after esterification reaction? Adding water gave a white gel of titanium hydroxide which is very difficult to remove. Is there any way to remove this ppt? Or...

10 December 2013 395 10 View

Citral isolation - can anyone help?

Is there any method available other than bisulphite adduct route for quantitative extraction of citral from lemon grass oil? Bisulphite adduct route gives low yield on regeneration of citral.

26 September 2013 3,275 2 View

How to isolate and purify monoammonium glycirrhizinate from licorice?

I could do the extraction with hot water and acidifying it with H2SO4 to yield a dark brown precipitate. I am confused with how to make it mono ammonium salt? also how to get the white MAG

19 June 2013 6,402 2 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

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 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 error of the Txy diagram?

Hi, I know the attached Txy diagram has an error but can't figure it out. Could you please look at the diagrams and explain it to me?

23 February 2021 4,239 1 View

I am looking for a simple software program to model 3D chemical bonds. The purpose is to generate high-quality graphical abstracts. Any suggestion?

Hello everyone: I am looking for a simple software program to model chemical bonds. The purpose is to generate a high-quality graphical abstract for a top leading journal in the field of...

23 February 2021 8,012 3 View

What is the best etching method for Mg-Ca alloy?

I have used Picral etchant (4.2 g Picric acid, 10 mL Acetic acid, 70 mL Ethanol, 10 mL distilled water) but it didn't work. Is there any alternative?

21 February 2021 2,558 5 View

Cyclooctatraene damaged by TFA?

16 February 2021 4,747 3 View