What is the synthetic procedure for the ammonium salt of nidocarborane anion?

Reports on synthesis of Rhodacarboranes (hydrido metallocomplexes) are abundant. It uses the [N(CH3)4]+ [nido-C2B9H12]-. How can I synthesize nido-carborane anion?

03 April 2018 2,215 0 View

Why is it difficult to observe Hydrogen atom by X-ray Diffraction?

Is it a limitation on Instrument or the inherent nature of the atoms?

01 February 2018 4,620 9 View

What are the characteristics of Brazovskii Transition?

How are the defects and their concentration affects the Brazovskii transition? Is it good to have Brazovskii transition in the crystals?

01 February 2018 4,339 1 View

Can the Vanillin stain give blue color for any alcohol?

What are the different functional groups that vanillin stain can detect? For alcohols, will it give blue color for all types of alcohols?

11 December 2017 1,995 0 View

What is the precise interaction between metal nanoparticle and a heteroatom in Metal Encapsulated Dendrimers?

The addition of metal salts to dendrimer for coordination to heteroatoms is well-documented. This interaction involves the coordinate covalent bond (Heteroatom--> to Metal). However, addition...

10 November 2017 5,691 0 View

What is the product of the reaction between 2-methyl propene and hypochlorus acid?

07 August 2017 9,975 0 View

What are the structural differences between amyloidogenic prion proteins (PPr) and PPr having a physiological function?

Recent literature study reveals that certain prion proteins are involved in long term memory storage in nerve synapses and has certain physiological function. But prion proteins are known to be...

08 September 2016 1,675 2 View

Can anyone suggest a synthetic procedure for the following transformation?

Synthesis of diacetyl ferrocene dihydrazone from diacetyl ferrocene.

03 April 2016 2,441 4 View

How exactly the deprotection of O-aetyl group in a glucopyranoside happens with K2CO3/MeOH mixture?

What is the key chemical species that cleaves the ester bond?

02 March 2016 5,776 4 View

How to make Ninhydrin solution?

Ninhydrin reagent solution for amino group detection.

01 February 2016 8,678 19 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

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

What is the difference between genotype and haplotype data in the ped format?

Hi everybody In the ped format for genotype, alleles of any SNP are represented by two columns (one for each allele, separated by a space). Is a column sufficient for the haplotype to...

27 February 2021 1,965 1 View

Can I put a figure that was drawn by Bio-Render in publication paper?

I want to publish paper in journal but I have figures which have drawn with bio-renders, can I put them in the paper or which other software I can use to draw them?

27 February 2021 8,179 1 View

Is there an open source free software for text mining and sentiment analysis?

I am looking for a free software for text mining and sentiment analysis for my research on customer review mining (it involves calculating polarity of attributes,opinion oriented information...

25 February 2021 1,920 6 View