These seem like plantings, but not on terraces nor. They appear to be an alternative way to ploughing and planting in furrows.
Could be soil mounds from gophers, voles or moles or similar type of burrowing animal.
I am a second-year grad student. I am finding it difficult finding time to read literature and write (things like qualifying exam, thesis, grants). I find myself so busy with bench work that I...
01 March 2021 3,325 4 View
I am currently trying to figure out how to calculate the visual angle of some visual stimuli I used in an experiment. I think I have all of the information I need to calculate this. One is a...
15 February 2021 3,189 2 View
The parameters of the curve all seem acceptable, typically reactions results are above 0.9852, -3.1 to -3.6 slope, and 90-110% reaction efficiency. The results seem to be what I would expect from...
04 February 2021 1,138 3 View
I've noticed that when thawing long-frozen samples (3-4 months at -20 C), most of the SARS-CoV-2 virus does not remain intact, but that the surrogate appears to. Has anyone else noticed this?
09 January 2021 4,168 7 View
I am woking with very low concentrations of RNA in an attempt to run a qPCR analysis. Given this, I am going to attempt to synthesize cDNA without diluting my sample, and in two different,...
12 December 2020 3,247 3 View
I want to ligate a linear 1.7kbp plasmid with the EcoRI sites at two sides, but when I use the quick ligase kit from NEB to test the ligation efficiency it is hard to ligate it. Is there anyone...
08 December 2020 3,442 3 View
does it speed it up?
29 November 2020 6,168 3 View
I misread the amount of time that RNA was stable in RNA later at 4 C as several months instead of a month. I have e zebrafish samples that have taken me a 2 months to collect and they have been...
23 October 2020 8,085 3 View
I conducted a binary logistic regression using the glm function in R. My binary predictor is the presence or absence of my study species. I have two significant variables but am just not sure what...
19 October 2020 5,398 3 View
Dear All, I'm looking to make a cell dissociation buffer from lyophilised collagen I (Gibco, 12648010). The protocols I've been looking at all specify concentrations of enzymes in terms of...
06 October 2020 506 3 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
L1 and L2 regularization
28 February 2021 4,187 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
I plan on running an online perceptual experiment that has, let's say, 100 unique video stimuli altogether. Since these are too many to be rated by every participants, I would like to present the...
15 February 2021 7,444 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