Does any one know how to get "publisher's acknowledgement of receipt for a submitted manuscript"? or the received email is enough?

I have to provide proof of submitted manuscripts especially those which are under review process.

06 July 2019 3,516 1 View

What is best method to protect one -NH of piparazine with benzyl bromide?

we want to protect one free -NH of piprazine with benzyl bromine using K2CO3 in CH3CN. any suggestion recommendation is appreciated.

03 April 2019 2,444 2 View

What is best Mass spectrometry book with detail description of all types of mass analyzers?

Mass analyzers in Mass Spectrometry

09 October 2018 4,245 3 View

Any group who can perform in vitro/ in vivo MAO-B inhibition activit of newly synthesized propargylamines?

We need biochemist partners to perform MAO-B inhibitor or other enzyme inhibition activities on oue newly synthesized propargylamines.

31 December 2017 2,819 2 View

Can anyone please suggest me a very comprehensive yet advanced book on natural produts covering introduction, isolation and major classes?

if possible please send me the pdf of book

31 December 2017 8,574 4 View

Can anyone suggest why reaction of tetrahydropyridine-2,3-dicarboxylate with hydrazine hydrate isn't successful in refluxing EtOH or MeOH?

31 December 2015 7,792 15 View

AgOTf or AgSbF6 which is more strong lewis acid?

Which one acts as more strong Lewis Acid?

08 September 2014 4,719 4 View

Does aniline stick in columns during column chromatography?

I made schiff base of carbazole aldehyde using excess of aniline, now I need to purify the product. I was just wondering will my schiff base remain stable at column and aniline will come first, or...

07 August 2014 1,298 8 View

What is the best method for synthesis of primery amines by gabreil synthesis?

Does it need acidic workup, or simple extraction with some organic solvent is OK. I already have this paper but some literature say we need acidic work up for complete removal of pthalylhydrazide...

08 September 2013 6,795 7 View

Can someone advise on whether 1-bromomethylpyrene is light sensitive or not, and does it degrade on silica?

My 1-bromomethylpyrene is pure by 1H, 13CNMR and GC-MS, but when ever I take Tlc it gives 4 or 5 spots. I am unable to understand. There is not a single extra peak in 1H and 13CNMR.

06 July 2013 5,589 2 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

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

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 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

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View