How to prove the formation of a synthesis product using NMR ?

Hello, I am trying to identify the formation of a synthesis product. Knowing the precursors, I focused on the identification of the H-C long-range coupling between sites (a/b) and (a/c) using...

19 January 2021 8,438 5 View

Is there any default ''TopSpin'' [H-X] HSQC pulse program ?

I would like to conduct a [1H-13C]- HSQC (optimized for one bond H-C connection) experiment. What would be the best default topspin pulse program and parameters set to use ? Thank you.

14 December 2020 6,956 5 View

Why does the command ''Topshim'' fails ?

Hello, I'am trying to run the 1H NMR spectrum of an ionic solution (Bromide Salt). the solution is too viscous so I had to randomly add a certain volume of deuterated chloroform, and then...

30 November 2020 8,569 1 View

How can I improve the Cronbach Alpha results without deleting too much items?

I am running pilot test and the Cronbach's alpha is 0.71 for all of the items. However, when I come to analyze every section of the questionnaire individually, In found that it is too low. And I...

10 October 2020 6,213 1 View

How to interpret DSC heat flow curves?

I'm running DSC for a mixture of 2 polymers and I need help to interpret the heat flow curves

13 August 2020 2,993 4 View

Someone from Alexandria University his name Mohammed Salem claimed three of my papers to him in research gate, how can this problem be resolved?

Mohammad Salem from the Alexandria University claimed the authorship these three papers: 1. First Report of Fusarium verticilloides causing Banana Fruit Rot in Jordan 2. First report of cucurbit...

26 July 2020 9,647 3 View

Can Neural Network predict an output value?

If I have a set of input data and a set of output data as shown in attached file, Can a Neural Network predict an output if the input data out of the given input data? Example: if the new...

11 June 2019 2,899 9 View

Hello every one ,any recommended proofreading service website for thesis or paper editing ?

Hello every one ,any recommended proofreading service website for thesis or paper editing ?

09 June 2019 7,162 13 View

Are there any A.I recommended tools ?

Is there any tool used for A.I neural networking rather than WEKA tool ? Is there any good recommendations ?

25 March 2019 3,687 3 View

Can anyone help with a textbook on Appraisal Techniques in Counselling?

I need an open courseware for my students please

16 March 2019 1,889 3 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View