What are the basis for determining assessment factors during chemical risk analysis?

I have EC50 and LC50 values and wanted to calculate PEC for different species in water. I have currently considered acute risk with an assessment factor of 100 based on a previous similar...

12 July 2020 4,562 2 View

Storing tissue in Agarose for 24 hrs ?

Dear All, I want to perform tissue section on different kinds of tissues like brain, muscle tissue,etc. I would like to store my fresh tissue in agarose for 24 hrs/over night before sectioning...

16 February 2020 878 2 View

How to differentiate T. elliptica, T. tomentosa, T. crenulata and T. alata? Different or synonymous?

Going through every literature and floral publication, they have their own theories, some say different species some consider synonymous to each other. There is a need of Key to Terminalia species...

08 September 2019 3,029 3 View

Can we leverage CIM (Common Information Model) framework for using big data in power industry?

Can we leverage CIM (Common Information Model) framework that is already in place through IEC standards (IEC 61970, 62325) for the big data use cases in utility industry??

13 September 2018 4,762 1 View

Negative slope in the curve of iron concentration and T2 relaxation?

I've done MRI imaging of iron oxide nanoparticles in phantom gels. The images are showing decreased signal intensities upon increasing the iron concentration, this is due to iron oxide being a...

15 December 2017 3,379 3 View

Titanium electroplating methods

Hi all, I want to electroplate Titanium on steel. Most papers have discussed about molten salt as electrolyte. But can we use electroplating in aqueous media. Titanium is very reactive, will there...

05 July 2017 1,062 6 View

Can IR data give quantitative information about fillers while synthesizing a nano-composite?

I am synthesizing a nano composite. Will IR data give any quantitative information in regards of the filler concentration? Do peak area plays any role in contrast with the concentration?

08 May 2017 7,930 6 View

Why does in FT-IR spectra of uncoated Iron oxide nanoparticles peaks at 2854 and 2926 cm-1 are coming?

I've seen FT-IR spectra of Iron oxide nanoparticles and in many of them peaks at 2854 and 2926 which corresponds to C-H stretching is coming, they haven't coated iron oxide with anything. Can...

07 April 2017 1,030 3 View

Can DSC/DTA provide information about the size of the nanoparticles?

I am trying to synthesize the nanocomposite with an appropriate size. Is it possible to calculate the particle size using their DSC/DTA?

20 March 2017 112 3 View

Protocol for conjugation of 7-amino 4-methylcoumarin to nanoparticles with free carboxyl groups on the surface?

I'm trying to conjugate 7-amino 4-methylcoumarin (AMC) to nanoparticles with free carboxylate groups on the surface via amide bond formation, but the problem is that AMC is not soluble in water...

13 March 2017 9,543 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

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 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 is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View