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

How to determine the genetic potential of the genotype in terms of fruit size and weight?

In addition to genetic and environmental factors, fruit size is also influenced by crop load, rootstock, orchard planting system/tree training system, pollination, water and nutrient management,...

13 January 2021 9,309 4 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 to calculate Basis Set Superposition Error (BSSE) for interaction energy in SIESTA 4.0.1 code?

Hello, I'm calculating the interaction energy between molecule and graphene sheet using Eq. (E_i = (E_graphene + E_molecule) - (E_graphene+molecule). I have employed a numerical atomic orbital...

10 November 2020 8,467 2 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

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

The most suitable method to calculate the stress intensity factor in the presence of contact between the crack lips?

I'm trying to study cracked structures under a compressive load taking into account contact between the crack lips. I would like to know if the method of extrapolation by displacement remains...

21 February 2021 8,694 4 View

Why use both bead beating and enzymes (lysostaphin and lysozyme) for DNA extraction from sputum samples?

Hello, I have read in a few publications that to extract total DNA from sputum samples, both bead beating and enzymes are used to disrupt the cells. Bead beating is supposed to be efficient in...

18 February 2021 3,360 2 View

Why are we measuring gel content of NBR latex? Does gel content related to the amount of cross-linked in a polymer?

Hi good day to everyone! I am actually studying the gel content of synthetic latex. Refer to ASTM 3616, gel content is measure of insoluble rubbers in the chosen solvent. So, I just would like to...

07 February 2021 605 4 View

Can anyone help me with the problem of hyperelastic coefficients in abaqus?

Hello Everyone, I have done a uniaxial test on rubber and data (attached with the post) has been used in Abaqus to get YEOH's coefficient. But I am getting a warning that it is unstable? Can...

04 February 2021 5,975 3 View

How to make a site-Selective Electroless Nickel Plating?

I would like to plating Ni/Au on the selected area. Can anyone give me a suggestion? It is a bit like to make golden finger on PCB board. Instead with the PCB board, I use polyimide as my...

28 January 2021 8,330 1 View

How to use PVQ Psychometric Tool?

Hello, I'm doing a research about if psychometric tools can be translated into video games. My main major is video games. So I'm an absolute newbie with psychometric tools. I have chosen PVQ tool...

22 January 2021 5,992 2 View

How to measure the hardness for PLA & PHAs polymers?

Hello, I am a bit confused on whether to follow ASTM D785 (Standard Test Method for Rockwell Hardness of Plastics and Electrical Insulating Materials) or ASTM D2240 (Standard Test Method for...

21 January 2021 7,487 4 View

Any reference to learn numerical methods for Viscoelastic compressible fluids(oil) (CFD)?

I am developing a solver to simulate compression of oil in shock absorber filled with viscoelastic compressible oil. The model will consider the loss due to viscosity which will decide the...

15 January 2021 1,707 1 View