I'm looking for measurements of the Earth's FIR spectra for different altitudes (distances from the surface). Can someone help me? Thanks.
I am trying to better understand the scope of DNA replication and sequencing errors, e.g. 1. I have seen similar error rates of 10e4 to 10e5 for cell & instrumental DNA replication,...
24 February 2021 4,397 3 View
I am conducting a zeta-potential experiment but it shows I have a poor quality result and my sample conductivity is low. My sample is copper nanoparticles dispersed in propylene glycol.
05 December 2020 3,966 9 View
02 July 2020 1,966 6 View
I am studying an application of Competence Based Training by teachers. I want to know how they apply it in classrooms, if they have any Pedagogy Content Knowledge (PCK) deficiency in using such a...
05 May 2020 1,039 15 View
Hello everyone, I'm having difficulty with the line input impedance of a patch antenna signal. It's showing s1,1 impedance of 117 ohms on the smith chart but the correct impedance should be 50...
16 March 2020 6,552 3 View
The sum of squared zero-mean Gaussian random variables with different variances can be modeled by a generalized Chi-square distribution. However, I am looking for the PDF of the sum of squared...
06 January 2020 2,001 6 View
I wish to shift multiple lines or curves (up to 25 lines/curves) so that they are superimposed on one another. This is to enable me see clearly the points or regions where any one of the curves...
25 November 2019 6,530 4 View
Please could someone assist with sites of an online matrix binary calculator
19 November 2019 5,522 3 View
I am modelling an elastomeric bearing in ansys apdl but the elastomer does not bulge under compressive load as it should. it "splashes out" under any significant loading. is it the loading problem...
26 June 2019 2,003 3 View
I want to generate an environmental layer depicting topographic roughness, or complexity, scores using a DEM in ArcMap. I know there are lots of available methods (i.e....
09 April 2019 6,563 4 View
I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...
02 March 2021 752 2 View
I am investigating thermospheric mass density profiles between 300-800 km altitude. I would like to compare the variability with other parameters, including temperature, electron content,...
01 March 2021 5,902 3 View
Hello. I have a problem with the charting in google earth engine. I created an image collection by combining 5 image collections of five parameters and using ee.Join.inner ( ) and .apply ( )...
26 February 2021 7,084 2 View
Hello everyone. I am looking for a simple formula to compute the distance in Km between two points inside the Earth. I do not mean the usual problem between to cities (distance along the surface)...
02 February 2021 3,455 4 View
Dear all, I'd like to open here a sort of forum for understanding how the geodesists community is moving in view of the X-band SAR satellite constellation. The new constellation will offer new...
24 January 2021 6,248 0 View
-Required are DEM/DTM satellite data from mountain ranges without glaciers. For example SRTM 30m. -The data has 3 parameters only. X, Y and Elevation. There is no need for georeference or...
22 January 2021 4,059 6 View
We are working on geochemical analysis of sediments derived from eastern and western ghats of India.
20 January 2021 8,963 6 View
Can you please tell me if there are anionic sulfate complexes of rare earth elements? And, if so, can you advise sources where you could read about it. Thank you!
17 January 2021 8,812 2 View
I have generated a kmz. file of a scanned geological map. But when it is opened through Google Earth, the resolution is very low and cannot zoom in with clear colours. Is there any method to this?
14 January 2021 3,692 2 View
I have a project to evidence Thomas Robert Malthus theory about a principal of population (Malthusian Spectre/Malthusian Trap). I want to attest, his theory about a relationship of population and...
02 January 2021 8,146 3 View