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 is the source of carbon in magma to form diamond?

i am trying to figure out the source of carbon it is from magma or recycled from surface

03 April 2018 1,076 1 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

GEO-CHEMICAL MODELING

06 July 2017 7,173 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 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

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

APA 7th In-Text citations with two references with three authors with the same surname, but four different author?

I have an issue with APA 7th in-text citation. II have two papers where the first three authors are the same, and the fourth is different. I am using the Mendeley desktop app, and automatically it...

02 March 2021 790 3 View

How Download/Extract citations of 1 given year ALL my publications in Google Scholar?

If you google this you find a lot of smart guys explaining you how to download 1 year of citations of 1 single paper of yours (or anyone else). I mean 1 year of ALL my papers. or ... ALL years or...

01 March 2021 1,121 9 View

How Can I bring as much common elements in steel as possible to calculate stable phase(s) in OpenCalphad?

As I was tweaking step-by-step OpenCalphad6 Macros step1.ocm involving phase and thermal property calculation of a High-speed steel, I could not incorporate more than 6 elements in the steel...

01 March 2021 8,840 1 View

How can you bring two structures together to create an adhesive bond in LAMMPS?

I have created an Ice 1h crystalline structure and an Aluminium substrate structure and equilibrated both at 250K. Now I need to bring them together in a way that an adhesive bond is created....

01 March 2021 3,325 2 View

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 View