Over the past 6 months, the number of patients with Covid -19 in China has not increased , but the number of cases in other countries to rise, Why?

Over the past 6 months, the number of patients with Covid -19 in China has not increased , but the number of patients in other countries to rise, . What do you think about this? What is the reason?

04 June 2020 5,755 84 View

How can use shp file as training data in Google earth engine (GEE)?

I would like to use supervised classification for crop mapping in national scale .i have many shp files as training data how can use this file in google earth engine (GEE).

14 March 2020 2,571 12 View

How can use shape file as training data for supervised classification in GEE?

I use Google earth engine for crop mapping and crop area estimation. I have many fields data that collected and presented as a shape files, how can use this training data for supervised...

12 March 2020 4,699 3 View

What do you think about the origin of the new coronavirus (COVID-19)?

What do you think about the origin of the new coronavirus (COVID-19)? Now there are different reports about the main origin of the coronavirus. Some media say the virus may have been synthesized...

10 March 2020 7,587 88 View

What do you think about outbreak of Coronavirus in China? Will the outbreak stop in China soon?

What do you think about the outbreak of coronavirus? Will the outbreak stop in China soon? Will there be an effective vaccine soon? Does the international community succeed in controlling it? What...

13 February 2020 8,794 61 View

Mass correction for energy fluxes?

..

17 August 2019 4,355 2 View

Where can I download historical grid climate data?

For country area.

03 April 2014 2,951 14 View

Can you suggest a sub-problem and possible objectives regarding to this thesis/research study?

03 November 2020 8,155 3 View

Image database of vegetation quadrats?

I am trying to develop a web teaching module (thanks to COVID) on plant community ecology. I am searching some database of photographs from plant quadrats to let students experience the whole...

14 October 2020 8,156 1 View

Is there a good way to do insect bioinventories without capturing and killing insects?

Dear entomologist colleagues, just wanted to find out if any of you have ever conducted and published on insect bioinventories without collecting insects? Is it defensible to do catch, ID and...

29 September 2020 7,660 16 View

Can someone let me have references with description of this aboriginal cross carved in rock?

I saw this cross in an NGS video and photographed the screen, but I did not learn where this cross was found. Seems to me that it was found in some island. In Cuba there is one very much similar...

25 March 2020 2,296 2 View

What are the ways to clean the core sample flooded with nano particles?

Core cleaning is a challenging task. In the case of chemical flooding, core samples are generally cleaned by methanol and toluene but in the case of nanoparticles, I am not able to get any solvent...

04 March 2020 5,713 7 View

Recommendations of reading on photovoice (or auto-photography) and social-spatial difference?

I am interested in relationships between photovoice or auto-photography as research methods and social-spatial difference, either as captured in the photographs, or as embodied or lived by the...

23 January 2020 4,179 2 View

Any idea how this image was taken?

A student sent me this image and asked how it was done. My background is in optics, but it has been a number of years since I worked with surface interferometry. I am wondering if you can identify...

12 December 2019 8,423 4 View

Any idea how this image was taken?

A student sent me this image and asked how it was done. My background is in optics, but it has been a number of years since I worked with surface interferometry. I am wondering if you can identify...

11 December 2019 793 4 View

Is there any best way to differentiate between photograph taken at day light and night, other than comparing the pixel intensity values of images ?

I am trying to do it by plotting histogram of sample photographs.

13 September 2019 8,568 3 View

How can i decide the best annealing temperature of the primers (Gel electrophoresis photographs is attached here)?

I used four primers (Primer 2,4, 5 and 6) with 2 rice variety and tested its annealing temperature at 53, 54, 55, 56,57 and 58 degree centigrade on PCR. The photograph of the gel electrophoresis...

08 September 2019 7,061 5 View