What make sulfur play a critical role to form most of significant ore deposits?

i read most of ore deposits related to magma origin the sulfur play a critical role to form these ore, first of all chemically what make S behave as former inside magma , as magma has a lot of...

06 July 2018 3,561 2 View

What means when USA withdrawal from paris agreement ?

i hear in news and some magazine that if america not deal any more with paris agreement will affect and increase global worming. could you please explain how , what that mean if they are not...

01 February 2018 5,116 0 View

Why some element has isotopes, others no?

i always read about isotopes and i want to know why some elements has 3 isotopes, others 2, 1, some no isotopes. which chemical action can perform that.

01 February 2018 854 2 View

How to differentiate between anhydrite and kaolin physically properties?

while drilling some wells always get confusion between kaolin an anhydrite as it came in same color. i consider as kaolin due to environment comes sometime with clastic rocks, which not agree by...

31 December 2017 839 1 View

Why there is no add references in research paper as project?

09 October 2017 4,678 1 View

Could i consider manganese(MN) content in travertine deposits as indication of alga existed?

if i check samples and it is hard to find out bacteria through microscope, could we use manganese content as geochemical evidence for bacteria in amount relatively

09 October 2017 1,553 5 View

What is the depositional environment of micaceous sandstone?

while we drill we face hard formation sandstone plenty of mica.

09 October 2017 4,922 10 View

IS there any software for sedimentary rocks modeling?

08 September 2017 7,072 4 View

How i can make an old paper for me as references of new paper which related to? i really can not add or cite mine..... any idea?

cite publication, references

08 September 2017 9,509 0 View

GEO-CHEMICAL MODELING

06 July 2017 7,173 0 View

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 View

Can water be extracted from Olivine?

I have always been interested in geology and wondered about how unique structures of materials behave in different circumstances. I stumbled upon Olivine, the magnesium iron silicate, and heard...

28 February 2021 7,330 4 View

How can I assign a velocity along one direction to CO2 molecules in a molecular dynamics simulation using GROMACS?

Dear all, I am trying to perform a MD simulation about the interaction between CO2 and a polymer. I create my model, solvate it and perform the NVT and NPT equilibration. Now I am not able to...

26 February 2021 10,014 3 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

What are the methods used for CNT..?

Respected Professor's i hope you are doing well and happy. i need some information about carbon Nanotubes. before blending the CNT with the matrix the CNT has been introducing in some treatments....

24 February 2021 5,383 5 View

How much cell pressure and back pressure should I apply to start for triaxial test for different types of soil?

We have recently purchased a triaxial test instrument (MATEST) for testing different types of soil. After installing software, we are facing a issue of saturation where the samples does not...

23 February 2021 7,194 4 View

How to clean up TEM grid with plasma cleaner?

I need to clean the hydrocarbon contamination on the carbon substrate of TEM grid. However, I heard that substrate could be broken by the powerful plasma. My substrate is pure carbon, with ~3nm,...

23 February 2021 3,262 5 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

22 February 2021 6,569 3 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

21 February 2021 7,561 4 View