How to remove DCU and HOBT from my reaction?

I am doing a acid and a chiral amino alcohol reaction using DCC and HOBT in DCM or THF? Can anyone suggest me how to remove DCU and HOBT from a reaction mixture??

28 February 2021 2,153 1 View

Why Arnold Cat Map is widely used to encrypt the watermark?

What is the main reason that most of the researcher uses ACM to encrypt the watermark? There is various other image encryption technique but for watermarking ACM technique is used?

24 December 2020 9,807 1 View

Which polar protic solvent are used in replacement of Ethanol or methanol?

In reaction condition, my starting materials are highly polar which are not soluble in ethanol and methanol.

03 December 2020 5,792 2 View

Can anyone recommond the journal for biopolymer production?

I wanted to know about the journal with a high rate of acceptance and sci index.

01 December 2020 7,533 1 View

How can I model Solar PV, Battery from Electric vehicles, and grid in Matlab for cost minimization?

How can I model a system in Matlab consisting of Solar PV, Several Batteries from Electrical vehicles, and a grid altogether so that the load demand is fulfilled in such a way that the cost of...

20 November 2020 8,580 4 View

How can I model three types of power sources which are fossil power from the grid, green power from the solar panel, and green power from the PHEV?

How can I model three types of power sources which are fossil power from the grid, green power from the solar panel, and green power from the PHEV from cars of 100 employees (who come in the...

12 October 2020 4,720 3 View

How many internet Switches are there between one country to another country?

How many internet Switches are there between one country to another country?.

11 October 2020 1,034 3 View

Is "Toxic Positivity" is harming Teachers during this Pandemic?

School leaders are trying to infuse positivity in teachers through the toxic positivity. It is creating more frustrations in teachers because their problems are not solved yet expected to work...

11 October 2020 8,210 4 View

What should be the Bragg R-factor value to stop at while performing the Rietveld Refinement?

How does the Bragg-R factor value effects the chi-square value?

22 September 2020 5,784 4 View

Dispersion of Graphene?

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14 September 2020 8,364 5 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 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 Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

What pH condition required to coat APTES on silica coated Fe3O4?

It's a hydrolysis reaction, which may produce by either acid or base-catalyzed reaction. so can anybody help me with this, which condition is suitable for this reaction?

26 February 2021 1,760 8 View

Modeling viscosity using model of Chung?

Hello, As part of simulation of gases mixture and water, I need to calculate viscosity of the fluid components and I am using relationships proposed by Chung et al. (1988). The irony is while I...

25 February 2021 8,053 5 View

How can I verify my centrifugal fan design for electric motor cooling?

I have radial blade centrifugal fan design which will be mounted on exhaust side of electric traction motor. The fan will be mounted on same motor shaft inside the housing. How can I verify that...

23 February 2021 2,390 3 View

My silica gel column dried can I somehoe save the trapped matter?

I tried to separate my substance from a protein in a sillica gel column. By mistake, it dried and cracked. Can I save the trapped substance? Can I repack it ,or at least elute all of the trapped...

22 February 2021 1,789 3 View

Model Volume fraction and magnetic field applications of nanofluids in ANSYS?

Hi I am working recently on a project where I have to study how the thermal properties or heat transfer enhancement of nanofluids as the volume fraction changes, or if a magnetic field is applied...

22 February 2021 961 2 View

Amorphous silica XRD peak at around 10 degree?

21 February 2021 3,417 5 View

How to calculate stress at the cross section of spherical particles within a matrix?

Hi all, I am currently working on some background calculations before I start a new project related to metal matrix particulate composites. I am trying to find a way to calculate the stress at...

19 February 2021 8,503 3 View