May I know the maximum chemical shift possible for carbon with hydroxy group?

May I know the maximum chemical shift possible for carbon with hydroxy group.. like ferrocenyl alcohals.. like and geminal alcohals.. in13C NMR. Thanking you.

09 October 2018 7,814 0 View

What is the pressure index of propellant?

Dear All, May I know what is the pressure index of propellant? how to calculate pressure index of propellant from burn rates at different pressures.. Thanking in advance fro your valuable time.

07 August 2018 5,480 1 View

Does the pH of phosphate buffer changes with temperature aging?

If I make a phosphate buffer of pH 7.2 at RT and take it to 37 degree does it changes? What about simulated body fluid (SBF)?

11 December 2017 7,062 2 View

How to calculate the molecular weight of PEG from proton NMR?

Dear All, I want to know the MW of polyethylene glycol. Please suggest me how to calculate the molecular weight from proton NMR. Thanking you.

05 June 2017 2,383 5 View

How to calculate the hydroxyl value or OH functionality of PEG from 1H NMR?

Dear all, I want to calculate the hydroxyl value or OH functionality of PEG from 1H NMR. Is it possible to calculate as end functionality as in the other oligomers..? What will be the degree of...

05 June 2017 7,220 6 View

Does aldehydes undergo nucleophilic addition or substitution reactions?

02 March 2017 1,270 15 View

How to measure the density of viscus liquids?

How to measure the density of viscus liquids? please suggest some simple method.

05 June 2016 2,361 1 View

How to measure the thermal conductivity of polymeric viscus liquids?

How to measure the thermal conductivity of polymeric viscus liquids?

05 June 2016 9,757 1 View

What are the important factors that can be evaluated by dielectric measurements of polyurethane films?

Dear all, Thanking you in advance for your valuable time. We have prepared few PU films with controlled ferrocene loading in the order of 10-3 w/w %. We observed a little improvement in dielectric...

02 March 2016 8,746 3 View

How to file a patent and how to choose patent publishers..?

How to file a patent and how to choose patent publishers..?Suppose we have developed a binder which is better properties than existing and very easy to synthesize. Thanking you in advance for your...

01 February 2016 6,623 0 View

APA 7th In-Text citations with two references with three authors with the same surname, but four different author?

I have an issue with APA 7th in-text citation. II have two papers where the first three authors are the same, and the fourth is different. I am using the Mendeley desktop app, and automatically it...

02 March 2021 790 3 View

How Download/Extract citations of 1 given year ALL my publications in Google Scholar?

If you google this you find a lot of smart guys explaining you how to download 1 year of citations of 1 single paper of yours (or anyone else). I mean 1 year of ALL my papers. or ... ALL years or...

01 March 2021 1,121 9 View

Is there a fast method matching citations to bibliography (manually typed references)?

I need to be able to match in-text citations to a reference list and back again in very large documents (100+ pages) WITHOUT the use of referencing software like Endnote. my method is to type the...

27 February 2021 9,848 1 View

How to add missing citation?

Dear colleagues, I have found that many authors have a concern regarding their missing citation in RG because often citation in RG is lower than google scholars. I also missed some citation...

26 February 2021 928 6 View

Is IMPACT FACTOR justified in case of Taxonomy?

There is huge pressure of getting good impact factor on scholars now a days. On the other hand Taxonomy is a very dry subject and the concerned papers can only get citation in same group of organism.

26 February 2021 5,851 1 View

What is the most important parameter of a research work, the impact factor or the h index?

The impact factor is a measure of the importance of a journal based on the number of citations received in a year. ... Articles published in a journal with a high impact factor do not all receive...

24 February 2021 7,481 2 View

Can't recognize exact phase and PDF card no of Silicon carbide in XRD?

We have deposited silicon carbide on carbon substrate using one PVD technique. Due to amorphous behavior of SiC at low deposition temperature, we performed heat treatment of those films at...

22 February 2021 2,072 3 View

What is the original citation for the commonly used activity factors for converting basal metabolic rate to total caloric need?

I see the same activity factor (multipliers) in research papers and websites, but I cannot find where they come from. Does anyone know where these originated? I am looking for an original...

18 February 2021 7,635 2 View

Which Journals would you advise to submit a Letter which briefly talks about neurosurgical treatment of neuro-oncological patient during Sars-COV-2?

Possibily not an open access journal which does not add any publishing costs once being accepted. Thank you in advance

09 February 2021 717 6 View

How to do mono formylation of N,N-diethyl-3-methoxybenzamide?

I have attempted the formylation of the above mentioned compound using a very well reported protocol using secondary Butyl Lithium and TMEDA at - 78 degrees Celsius. I have done it quite a few...

08 February 2021 2,793 2 View