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

Do water management techniques lead to comparable spatial organizations of settlements and their related functions?

Which are related to technical knowledge as well as to knowledge about the environment

06 July 2019 6,302 5 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

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 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