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

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

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

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02 March 2021 3,060 3 View

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02 March 2021 932 1 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 to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View

Where can I find life cycle inventory or assessment of non woven materials?

Dear network, I am looking for the LCA or LCI or at least the energy balances of the non woven fabrics process for my master project, in specific for natural fibers, yet I have found...

02 March 2021 9,662 1 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View