How to create various treatment solution based on pH variation ?

Dear RG Colleagues, I want to test the effect of pH on germination. How to create these different treatment solutions ? pH 2, pH 4.... Thank you

09 October 2019 8,886 3 View

Experimental design randomized or ?

Dear RG Colleagues, I am trying to study the effect of a biofertilizer and I am confuse about the experimental design. So I have : 3 plant species and only one factor "Biofertilzer" and my...

07 August 2019 1,416 4 View

Can you identify this plant species?

Dear RG Colleagues, I need help to identify this plant. I found only four individuals. Thank you Regards AK

04 May 2019 1,842 31 View

How can we protect Biodiversity (plant and animal species)?

Dear RG Colleagues, When we start a research project with the purpose of publishing and sharing the results in a scientific journal, we are often asked to give the geographical coordinates of our...

04 May 2019 6,795 29 View

Vulnerable or endangered species?

Dear RG Colleagues, What could make a research study conclude with: " This animal or plant species is endangered and must be mentioned in the red list" ? What are the most important criteria to...

31 December 2018 6,846 7 View

Can you identify this plant species?

Dear RG Colleagues, Can someone help me to identify this plant species? Thank you Abdenour

31 December 2018 1,406 12 View

Today I'm not asking a question?

Dear RG Colleagues and Friends, Wish you a bright, prosperous, and glorious new Year ahead. Happy new year. New hopes! New resolutions! New Aspiration! Love N Laughter in your life! Peace N...

11 December 2017 4,993 0 View

Can the degre of freedom be ZERO?

Dear Colleagues, Whan I was doing ANOVA, correlation between A and B turns to ZERO, so no Pr. How can you explain that? Thank you

10 November 2017 1,208 6 View

What plant species you gonna choose?

Dear RG Colleagues, If you have to choose between the thousands of species that exist on Earth, leaving only one species, which one you will choose?

10 November 2017 351 12 View

Survey about plant

Dear Colleagues, If you are asked to choose only one plant species with which you will live all your life, what plant would you choose ?! And why? if it is possible

06 July 2017 6,746 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

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

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