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Questions related from Christian Ungewitter
I have a rock specimen and a soil specimen. During my mechanical measurements I observed that the rock reacts much faster on stress rate changes (observable by a sharp kink in the deformation...
10 October 2019 4,871 3 View
Climate models are validated and checked on historical climate data. With these climate models it is aimed to predict the climate change induced by human actions. But is this a valid procedure?...
02 February 2019 3,572 4 View
I'm new to the topic and I want to have a first and broad overview on questions concerning: What is an artificial neural network? What can they do? How do they work? What types of ANNs do exist?...
06 June 2017 3,935 12 View
I am searching for a free Excel addon or Excel sheet which allows the conversion of normal distributed datsa into lognormal distributed data.
01 January 2017 7,226 4 View
I think that I have problems with corrosion on a workpiece of stainless steel, but I'm not sure.
12 December 2016 3,680 3 View
I am searching for a good reference for osmosis from a physico-chemical/thermodynamical point of view. The publication must provide a general introduction to osmosis based on the chemical potential.
08 August 2016 9,417 3 View
I want to extract data points from a scanned graph. But all software I found was not for free.
07 July 2016 4,353 1 View
I think of X-ray techniques, applications of magnetic fields or something in this direction.
07 July 2016 8,087 7 View
I would like to know if somebody tried to model the pore connectivity and pore size in mudrocks with multiple point geostatistics.
06 June 2016 4,091 0 View
Is it possible to determine the pore water distribution or to visualise the pore water in a mudrock or shale with an environmental scanning electron microscope?
03 March 2016 7,644 6 View
I'm searching for free R- or Python-codes for evaluating triaxial tests performed with rock specimen.
01 January 1970 3,668 2 View
I want to overcore a drilled specimen from the field for triaxial testing. Now I need appropriate settings for the overcoring machine to get (nearly) undisturbed mudrock specimen.
01 January 1970 8,129 2 View