Please is there any reason that will make synthesized iron nano particle to be brown in color instead of black?

Hello all, Please I was synthesizing Iron nanoparticle using Eucalyptus leaf extract which after the first trial that I got black color particles. However, subsequently I am getting brown color...

13 December 2020 2,205 6 View

Help me construct a research topic on : open drug market and rising spate of drug abuse?

i need assistance on to construct a better research topic on the role of drug market on rising spate of drug abuse.

28 February 2020 8,251 3 View

What is the integral of the following Bessel functions?

The integral equations is in the uploaded file in .docx

21 April 2019 5,728 4 View

Please I need a PhD research topic?

Hi.i hold a Bachelor of science in Geology, a master of science degree in Geology and a master of science degree in GIS and Remote Sensing. Please I am really in need of a research topic for my...

16 December 2018 4,011 17 View

How can I construct the orthogonal array for a mixed level DOE.

I am trying to construct an orthogonal array for a mixed level DOE in minitab. There are a total of 5 factors. 1 of the factors has 4 levels while the remaining 4 have 3 levels each. i think that...

30 June 2017 9,541 17 View

What is the best way (criteria) to determine the PV Limit of Polymer bearings?

I would be glad to get quality answers from skillful and experience engineers researchers and scientist concerning how to determine the PV limit for polymers used in automotive bearings...

22 July 2016 8,861 3 View

What are the basic difference in modelling LTE carrier aggregation and LTE-WIFI link assisted access (LAA)?

Major difference in modelling LTE Carrier Aggregation and LTE-WIFI link assisted access (LAA)?

22 June 2016 3,169 3 View

Please is there any spectrophotometric method of checking the activity of RNA pseudouridylate synthase?

Experts in infections diseases, enzymology and cloning.

29 February 2016 7,779 5 View

How do you remove cloud from Landsat Images?

I just want to know if there is any algorithms developed for this purpose. i will be glad to know that please.

23 December 2014 3,485 23 View

Is it posible to determine (quantitatively) the differences in certain protein concentration in particular tissues (liver or intestine) of different treatments using SDS-PAGE only?

I used Biorad's RNA/Protein extraction kit and obtained both the RNA and the Protein isolates, simultaneously. However, it looks like the integrity of the RNA is is not intact, so I cannot use it....

04 January 2013 2,482 12 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

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

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 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