How does plankton density and diversity vary with chemical stratification in a lake?

Impact of chemical stratification of various chemical parameters in the lake water like phosphates, nitrates, chloride, DO, hardness etc. as well as with temperature and turbidity.

03 April 2014 9,102 3 View

Has anyone analysed the thermal and subsequent chemical stratification in a pond or lake?

i.e. analysed the vertical profile of the water body in terms of its physical and chemical properties.

11 December 2013 364 14 View

What is the principle behind sedimentation rate estimation of an inland fresh water body?

Especially the stagnant water bodies such as lakes, ponds and tanks.

09 October 2013 6,496 16 View

Soil Sampling and Analysis

If the physico-chemical parameters of the soil from a paddy field has to be assessed, what would be the proper sampling procedure? Should I collect the samples from different depths i.e. surface,...

04 May 2013 169 14 View

Differences in the chemical parameters of soil in dry and wet samples and its significance?

If the chemical parameters of the soil are co-related with the aspects that are present at the time when the soil is submerged, can the sample be collected before the soil has been irrigated or...

04 May 2013 183 7 View

What should be the Optimum Sampling time and minimum sample size for gaseous sample from the phytochemical chamber?

given is the chamber that shall be used for the gas sample collection for reference (Y. Xiao et al.)

03 April 2013 9,872 2 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

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View