ICRP annual dose limit for occupational worker averaged over a period of 5 years is 20mSv. Is it according to the ALARA principle?

Working in an FDG production lab for around 20 years. Does the annual ICRP dose limit of 20mSv/Year avegraged over 5 years (and in a single year upto 50mSv) is following the ALARA principle. Does...

07 December 2020 404 5 View

Is there any criteria to differentiate between crystalline and amorphous peak in XRD for polymers ?

can anyone suggest me the book to know the answer to the above question? the graph has been attached

07 September 2020 7,512 4 View

How to calculate the P(0) in the RLS method with adaptive forgetting factor?

the Root least square method with forgetting factor for implementation in MATLAB i have an ARX model for parameter estimation. How to calculate the P(0) for this method ?

15 June 2020 2,168 2 View

Which standard method can be used for quantification of nitrobenzene in aqueous phase?

Nitrobenzene is sparingly soluble in water. I tried plotting its standard curve with various dilutions ranging from 0.1mM - 1mM, using HPLC with the method given in papers (Mobile phase: Methanol...

17 March 2020 5,306 3 View

Vaccine for Coronavirus?

I thought the last couple of days and think that if we know the source of coronavirus then it will help in one or another way. Suppose / for example, if the virus came from snake or mouse then...

11 February 2020 4,893 17 View

How one could extract 100% (or near to 100%) DNA and RNA from a known bacterial biomass and quantify?

Here 100% extraction means a total DNA and RNA extraction from known bacterial biomass. This will not for the quality check but more on the quantification. If there is any published method...

28 January 2020 2,302 2 View

Is there any good journals which publish fuzzy group papers without fee?

Please provide some free SCI/SCIE/SCOPUS indexed journal for fuzzy group.

30 December 2019 5,952 1 View

I am trying to do retroviral transduction using platE cells but its not giving good efficiency.Can somebody suggest ways to increase efficiency ?

I use Fugene-3ul/well, pclEco- 0.8ng and polybrene 2ul/ml from 5mg/ml stock. I usually spinfect T cells that I have activated a day before with anti-CD28 and anti-CD3. I use MigR2 plasmid with my...

08 December 2019 3,649 3 View

Is it possible that the peak current of an electrochemical process increases at pH 5, decreases at pH 6 and increases at pH7 further?

In one of our electrochemical experiments, we observed that the peak current suddenly decreased at pH 6 and then again increased at pH 7. Does this relates to the stability of the complex at pH 5...

21 November 2019 7,548 2 View

What is sampling error ?

By using Yamane's formula the required sample size was 250; now can I select 300 samples for performing a logistic regression ?

19 September 2019 6,202 8 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

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 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

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 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

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 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