How does 13C concentration in the atmosphere changes across following scales?
may be this help to you
http://www.esrl.noaa.gov/gmd/outreach/isotopes/c13tellsus.html
Regarding across time since industrial revolution the best achieve are tree rings, youcan see such plots over time in the attached file. Regards, Stan
Thank you very much for the useful answers.
Apart from considering surface texture for pavement maintenance purposes (Pavement condition evaluation etc.), is there any specification used for freshly constructed asphalt concrete (HMA)...
05 September 2021 5,763 8 View
In Roller Compacted Concrete (RCC), cement is mixed with aggregates and compacted to its final form at the optimum moisture content (OMC) in order to achieve maximum dry density (MDD). However, at...
29 January 2021 7,610 6 View
Can explain the E6013 chemical composition & related readings.
15 March 2018 6,089 1 View
For my research work I, have identified following variables (eight variables namely inventory level, forecasting, finance capabilities, procurement policy, quality, manufacturing capability and...
19 January 2017 161 13 View
European countries are using Oxygen dissolving method (Ref. - http://www.lindecanada.com) to reduce the COD & BOD level of the waste water. Need to know than this method what are the method...
07 March 2016 6,017 19 View
Hi, I am reading for my MBA & interesting on Supply Chain management. Reading for the research on SCM & improve the Quality on process. Need some new articles relating to this topic.
04 February 2016 5,163 14 View
I am looking for a fully functional R package for modeling Amax (maximum photosynthesis rate), VCmax (maximum rate of Rubisco carboxylation), Jmax (maximum rate of electron transport for RuBP...
25 October 2015 4,746 15 View
What are the best estimates to measure how closely related two plant species are? Any good references to follow? Provided that plant DNA is available.
19 January 2015 8,806 7 View
I want to estimate the soil moisture across several plots at one meter interval upto 10 m depth. Any good references are also welcome.
23 December 2014 8,792 11 View
Can anyone explain this method? Especially the last statement where it says only at 1.5 to 2.5mins was the MS/MS connected to the UPLC. How is that possible, is it a feature in this specific...
11 August 2024 8,141 3 View
I tried four trials of the same Copper Phosphides sample in Alkaline medium ( 0.5M KOH) with Hg/HgO reference electrode and Pt as counter electrode. I used 0.001 V/s scan rate for first three...
10 August 2024 3,629 1 View
How can I determine a good adhesion strength range for coatings on polymer surfaces, such as DLC on polymer substrates? Is there a specific threshold for adhesion strength (from T-peel tests)...
10 August 2024 942 3 View
How do interactions between the biosphere, the carbon cycle, and the water cycle impact global warming and interaction between the atmosphere and the hydrosphere?
09 August 2024 3,291 2 View
Hello experts, Does anyone know any free software about retention index prediction ?
08 August 2024 7,403 2 View
I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...
08 August 2024 8,329 0 View
Global ‘Weather’ has stopped, as ‘aqua thermionic instituted by the ‘Global thermo atmospherics has instituted global thermodynamics of 120º C + and thus all waters are, or have boiled into a...
06 August 2024 8,716 0 View
I want to perform a CRISPRa/i library screening for candidate regulatory factors that affect pathogenic Th17 differentiation in PBMC. But I am wondering how to define the size of gene library, so...
31 July 2024 2,150 0 View
EDX analisys
31 July 2024 5,947 2 View
The starting material is a finely ground powder. Some particles contain more graphene than others.
30 July 2024 3,978 2 View