I have mixed 1M aq. soln of MnCl2 and FeCl3 each. I could not achieve the pH at 12 with 300 ml NaOH. What could be the reason and solution?

I am trying to synthesize the MnFe2O4 nanoparticles by coprecipitation. I mixed the 1M solution of MnCl2 (200ml) and FeCl3 (200ml) each. Upto 300ml NaOH (1M) was added dropwise to the solution to...

08 September 2019 2,865 2 View

What are the main considerations for Primers design and optimisation ?

Most of the primers we have designed and purchased have shown negative gene expression on BM samples- although stated otherwise in the literature. So i'm wondering what could be the problem ?...

19 February 2019 305 4 View

How can i calculate band gap from UV-Vis absorption spectroscopy? In my case sample absorbance spectrum is got by dissolving powder in liquid?

How can i calculate band gap from UV-Vis absorption spectroscopy? In my case sample absorbance spectrum is got by dissolving powder in liquid?

15 November 2018 9,554 3 View

Kindly comment on the following values after classification using libsvm for classification performance?

AUC =0 Precision = 6.27427% Recall = 100% F-score = 0.117038

15 February 2017 7,065 3 View

How can I choose appropriate time scale and turbulent length?

Iam simulating spillway using CFX how I can select appropriate time scale with turbulent intensity and length for inlet and outlet, because when I run my model It does not reach to convergence,...

05 February 2016 8,183 3 View

Has anybody used the PDI antibody for the protein localisation studies?

My protein of interest has a disulfide bonds, and it's a transmembrane protein. However, studies showed that this protein localise not only in the plasma membrane, but also found intracellular...

13 April 2015 8,640 3 View

Why is my DNA precipitation and electroporation not working?

I am using 1/10 volume of 3M sodium acetate, pH 5.2, for DNA precipitation. However, this salt is so high that it's making problems in electroporation (input = 1500V and 5ms; output = 680V and 0.8...

04 November 2014 8,024 2 View

Neuroscience and Inhibitory control: Can we replace moral choice with a state of an organic mechanism within the human brain?

08 August 2012 843 3 View

Baking soda in bread and cookies

Hello Friends, There is an issue raising about the health problems of using baking soda in bakery products and got a little bit disagreement among academics. I have searching for it but could...

01 January 1970 7,601 7 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

Hello fellow researcher .. What is the meaning of your name?

I would like to create a small guide containing the meanings of the names .. Thanks to everyone who cooperates with me in achieving it.

03 March 2021 5,266 4 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

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View