How to find degree of deacetylation of chitosan colorimetrically?

I am working with low DD% chitosan. It doesn't dissolve completely in acidic solutions. How to calculate the degree of deacetylation by potentiometric and acid-base titration, UV spectroscopic...

27 January 2021 8,532 2 View

What is the best Perception instrument that I could use for Student Perception towards a subject?

I am starting to write my thesis for Graduate School and I am struggling to find appropriate instrument regarding student perception instrument. The perceptions to be discussed are (a) interest...

17 January 2021 9,218 3 View

Material studio job run in HPC?

Can anyone help me in learning how to run material studio simulation in the HPC cluster? what are the commands for that? #MATERIALSTUDIO #Dmol3 #HPC

07 January 2021 8,003 3 View

Why is CB SEM considered better than VB SEM?

What is the reason for preferring one way of modeling over another?

09 December 2020 3,697 3 View

What are the criteria one must look into while searching for a research guide?

As we know that guide plays a vital role in the entire tenure of research leading to PhD, what are the qualities a scholar must look into consideration while selecting a guide?

19 September 2020 2,538 18 View

How do I apply loading rate of 2.5 x 10^-5 mm/mm/sec in Abaqus?

I am trying to simulate the work carried out by Ilki et al. in 2008 on FRP Retrofit of Low and Medium Strength Circular and Rectangular Reinforced Concrete Columns. Within his research, the...

19 August 2020 2,755 4 View

Is herbal medicine always safe since it is natural?

We always hear that herbal medicines don't have side effects beacuse they are natural. However, the synthetic drugs are associated with a lot of side effects. How true is this statement?

07 January 2020 9,106 45 View

How to get the monomeric mass of aggregating peptides in MALDI-TOF ?

The mass of peptide is around 2 KDa. I have tried HCCA matrix and Sinapinic acid matrix in MALDI-TOF MS using linear mode at 2:1, 1:1 and 1:2 ratios of peptide sample and matrix. Even with 1mM...

24 December 2019 4,116 5 View

How to apply symmetry boundary condition at one part of assembly without applying to other part?

I am working in LS DYNA. However, my question is general for any FEM based software user. I have two cuboidal parts (one small cube over a larger cube). I wish to apply symmetry boundary...

03 November 2019 6,056 3 View

I have classification data set with n classes and m observation, What are different option to find similar classes?

For grouping classes based on similar characteristic

17 July 2019 737 4 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

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

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

Is SSRN e-Journal Scopus indexed?

I have publication in SSRN. I want to know whether it is Scopus indexed? Does it show impact factor? What is its ISSN No.?

02 March 2021 4,565 3 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View