How to produce oxygenic photo granules?

One of my student doing M.Tech., project in wastewater treatment using OPG's; actually i don't know how to produce OPG's; could anyone help in the modelling of reactors and production of the same.

08 September 2017 3,958 4 View

Does anyone working on Oxygenic Photogranule (OPGs) and do you have any reference articles?

07 August 2017 9,402 1 View

Why the colour of the solution is not stable in Cr analysis-DPC method?

One of my research student working in he removal of chromium; while doing the experimental part the colour of the solution after adding HCl and DPC was unstable at violet colour, why?

01 February 2017 8,604 1 View

Which microbe gave purple to violet color while grown in nutrient medium?

While doing one experiment for my project student, some of the microbial colonies showed purple to violet color, and some of them were white to pale yellow in nature, since i have a doubt over it,...

03 April 2016 7,837 8 View

How to reduce the conflict between a researcher and guide?

I had some experience about the conflict between a research guide and researcher, student and teacher/mentor. Why it is arise and how it can be minimized?

02 March 2016 6,401 0 View

What is rapid impact assessment matrix? Where i can get it?

Dear All, I readout one article titled with rapid impact assessment matrix for water bodies, i wish to know more about the function and, is there any software available for the same tool.

31 December 2015 6,814 2 View

What are the various methods to assess macro and micro benthic organisms in stream or river?

I wish to know the various methods involving in the enumeration of benthic organisms in aquatic water bodies;

11 December 2014 3,145 11 View

Does anyone know about the impacts of massive congregation along the river?

Especially in India river play a vital role in various religious activities; during various periods massive congregation along the river and bank areas disrupt something in the system; i wish to...

08 September 2014 976 0 View

What are the sustainable ways of construction? And the materials used?

I came to know that there are materials like waste plastics being used for sustainable construction in African countries. What are the other possible construction materials available as...

31 December 2013 5,104 5 View

Does anyone know about the modern trend of making homes with plastic bottles?

I wish to know what parameters should be tested before going for this type of construction.

31 December 2013 2,060 1 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

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

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

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

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

What is the procedure to determine the permeability of concrete?

can anyone help me in this, it will help me with my research work

01 March 2021 834 3 View