What common set of parameters do you usually include when determining the soil quality index in your locale?

I want to understand better the usage of parameters on soil quality index determination.

06 January 2021 974 6 View

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What are the technicalities involved ? What are the reasons ? Can we share some facts on this

31 December 2020 5,698 5 View

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31 December 2020 6,159 4 View

What is the upper and lower limit for plate count for fungi?

I am currently trying to quantify the viable count of trichoderma spp. in a compost sample. However I do not have much literature on the range for plate count of fungi. should I be following the...

19 December 2020 8,874 6 View

Is the "Releve" method still standard protocol for plant community sampling and percent cover estimation?

I am not a botanist but need to estimate the average percent vegetation cover of my study area. I have researched this and found articles that use the "releve" method for determining plot size...

22 September 2020 5,676 6 View

What colour does your Pd(PPh3)4 catalyst have during and after C-C coupling. Especially in Stille-reaction?

Hello, I am working on a C-C coupling of a strong electron accepting aryl-cl and Bu3Sn-Benzonitrile. I was able to synthesize my product but the yield is very low. I always have a big residue/...

10 August 2020 6,762 8 View

Compare varying parameters with limited experimental setups?

Hello colleagues, I am currently working on solar desalination experiments. I have to find the optimum angle at which my solar still gives maximum performance. But I only have two solar stills and...

15 March 2020 6,416 4 View

How to measure the inside temperature of the glass in a solar still, without the effect of irradiation of sun on the thermocouple?

I am building a solar desalination still and the inside glass temperature is required for the condition whether the glass has attained the dew point temperature of the vapor inside the still. I am...

09 January 2020 4,435 3 View

Is any data available as to the angular dependence of Young's modulus in carbon/epoxy 2x2 twills?

22 December 2019 9,073 1 View

In Abaqus, is it possible to remove some elements from a sequence obtained by getByBoundingBox() ?

Basically, I tried to do the following: >>> p1 = p.edges.getByBoundingBox(-1,-1,-1,1,1,1) >>> p2 = p.edges.getByBoundingBox(-0.26,-0.26,-1,0.26,0.26,1) >>> pickededges...

26 October 2019 4,530 3 View

What are some of the research gaps in machine learning and artificial intelligence in africa?

i would to know some of the research gaps in the artificial intelligence field in most african countries.

03 March 2021 6,145 3 View

Which of the Covid-19 Vaccines would elicit the best immunoprotection and why?

I want to know which of the available Covid-19 Vaccines would elicit the best immunological response and why

02 March 2021 1,388 3 View

How vaccines of covid 19 work?

Millions ask how vaccines of covid 19 be successful and safe, its here to explain generally how vaccine of pfizer work ,mRNA vaccines teach our cells how to make a protein that will trigger an...

28 February 2021 2,723 4 View

Problem with shRNA transfection. Why are only two plates getting contaminated instead of all?

I transfected my LNCaP-WT cells with 3 shRNA plus their NTC two weeks ago and split two puromycin selected cell plates on Friday last week(Feb 26). I checked for GFP in the cells, and they all...

28 February 2021 4,949 3 View

Where can I find public datasets with Covid-19 patient information?

Hi, I'm looking for public datasets that have CT, X-ray information, or medical records for patients with Covid-19. Does anyone have suggestions?

28 February 2021 4,760 3 View

Is there any published or unpublished statistics on dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, US, UK or any other country?

Are there any published or unpublished statistics or papers on the dropout rate (Dose1 to Dose-2) for Covid-19 vaccination in India, USA, UK, or any other country where vaccination has started at...

28 February 2021 4,237 1 View

If a given country passes mandatory 'vaccine passport rule' to go outdoors, otherwise stay at home, can it help to vaccinate all against COVID-19?

Wether vaccine passport declared not to go out of home without it may help taking COVID-19 vaccine. Can't it break individual's right to protect the community? Your comments on perspectives...

27 February 2021 5,549 23 View

How long do vaccines protect us against COVID 19?

Or will we have to get vaccinated every year, as in the case of influenza?

27 February 2021 1,048 5 View

What are the patterns of human behavior that lead to COVID-19 infections?

Does data from contact tracing help in establishing patterns of behavior and social interactions that lead to infections? There are cases here in the Philippines where patients have no travel...

25 February 2021 9,002 13 View

Is anyone working on a project focused on immigrants/newcomers working in the hospitality industry and how they have been impacted by COVID?

The on-going Covid-19 pandemic has had devastating economic effects on many industries. However, few have suffered to the same extent as full-service restaurants. Numerous studies have shown that...

24 February 2021 9,496 4 View