Aspen plus (hydrometallurgy set-up) & reactions solid-liquid ?

I have to simulate a hydrometallurgical process where there are the following phases: - leaching (solid-liquid reactions) - cementation (solid-liquid reactions) - electrowinning (energy ) -...

30 January 2021 9,225 3 View

What established models/guidelines for sustainability reporting exist?

Each company may choose to build their own sustainability report, with their own indicators. However, what are existing models/guidelines/tools/templates available to be adopted by a company to...

15 August 2019 8,910 5 View

NDVI vs EVI for mining environmental impact assessment. Which one is better?

Greetings! I am doing some environmental assessment studies using GIS and Remote sensing applied to mining areas. Which of the previous index would you recommend to do that.

07 August 2019 722 4 View

What are the nutrient contents of carrageenan extract and Arachis pintoi extract? Also, the rate and frequency of application in peanut plants?

An undergraduate agriculture student wants to conduct a research using such as foliar fertilizers to peanut..

30 July 2018 9,206 3 View

What makes Nicotinamide Adenine Dinucleotide (NAD) so special?

NAD is involved in most cellular redox reactions as an oxidant (NAD+) or reductant (NADH) and it changes between both states multiple times in every fraction of second in every cell. But it is...

11 January 2018 2,250 13 View

What's this peak?

Hi, i've injected 5 microliters of pure CHCl3 in a 250 mm C18 column, with ACN:H2O 80:20 as solvent, 1,0 ml/min. Something appears at 3,72 min, absorbing strongly at 210 nm. Is the CHCl3 absorbing...

20 December 2017 8,768 17 View

Why I'm loosing THP-1 cells when trying to expand them?

Hi, I'm new in the use of human monocyte cell line THP-1, and I'm having some trouble in their culture. Although they tend to grow up relatively well, they seem to disapear when i'm trying to pass...

09 October 2017 2,181 3 View

What do you think about this peak tailing?

21 March 2017 7,981 13 View

Let H,K be Hilbert spaces and let T:H \to K be an injective bounded linear transformation. Is inequality dimH \leq dimK true?

The answer is yes if range of T is closed. But what happens when the range of T is not closed?

13 March 2017 2,899 4 View

Is there any method to calculate the absolute resting membrane potential of non-excitable cells (in mV) without performing a patch clamp as standard?

I am studying the membrane potential of non-excitable lung adenocarcinoma cells by flow cytometry using the fluorescent dye DiBAC (3)4. I have no trouble observing relative differences in the...

25 April 2016 6,787 3 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

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to upload pdf of my articles published?

How to upload pdf of my articles published?

03 March 2021 2,183 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

No title

02 March 2021 932 1 View