Could airborne microplastics play a role in climate change?

02 March 2020 8,981 5 View

Do you have confidence in heavy metal speciation standards?

There are various ways of preparing heavy metals standards.

07 August 2019 1,912 5 View

Have you chosen the most appropriate speciation method?

The aim of speciation procedures is to maintain the integrity of heavy metals species and minimise sample preparation procedures that may alter heavy metals speciaton. There is a tendency for...

07 August 2019 719 5 View

No title

For example: Iran falls within the Middle East arid zone, with some 13% of the country receiving less than 100 mm mean annual rainfall, an additional 61% receiving less than 250 mm and only 9%...

06 July 2019 8,897 3 View

How polluted soils can impact on human health in urban areas?

06 July 2019 4,116 58 View

Is there any difference between properties of soils which irrigated by qanats and wells?( physical, chemical or biological)?

What about water?Is there any difference between properties of qanat's water and well's water?(chemical or biological?)

06 July 2019 8,300 9 View

Which demographic, political, and economic factors had the greatest impact on local agricultural practices?

Which agricultural strategies were sustainable, both environmentally and economically, over the long term, and why?

06 July 2019 9,292 6 View

Are dams were really useful for water management and environment(critical review)? Why else do we build dams?

Due to environmental impacts of dams such as: - problems for the surrounding area, for plant life, - dams block up flowing bodies of water, such as rivers, any animals that depend on the flow...

06 July 2019 6,540 25 View

No title

Which one is more effective to analyzing heavy metals?

06 July 2019 3,057 10 View

Are there any significant differences in soil and water properties between arid and semi arid areas?

properties such as :pH, EC, SAR, ...

06 July 2019 1,706 5 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

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

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

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