There are different opinions among Botanic scientists about the prevalence of species, their authors
Not really, many authors have worked on different plants and was documented
Dear Uma Kalu ! Thank you for answer and attention.
There are many indexes when determining plant species: Plants of the World Online (POWO), International Plants Names Index (www.ipni.org), The Plant List (www.theplantlist.org) and others. But...
26 February 2021 3,404 10 View
27 October 2020 240 3 View
Good morning everyone, Due to the pandemic, I conducted several online surveys. It is quite agile, not at all expensive, but there are several problems: the sample's representativeness and its...
21 February 2021 7,457 3 View
when I put my ZnS solution in the chemical bath, the ZnS oxidizes so there are ZnO peaks appearing because of the reaction with the oxygen in the air, despite the fact that I close the beaker...
14 February 2021 5,778 9 View
I am doing research on the impact of competitive bidding on project success and would like to use SEM. Project success shall be: cost overage, completion time, quality of works and variation...
13 February 2021 4,413 6 View
Hi everyone. We want to know how can I remove the non-specific band amplification on this variant. Although the amplification of non-specific band is not as intense as the band that we want, but...
09 February 2021 588 2 View
From long Pendamic now government is opening school and colleges on for off line classes. What do you think that this decision is fruitful to the students and society too?
08 February 2021 3,068 6 View
Taking a fractional ODE problem as an example. It has come to my attention that if the fractional order parameter is in the interval (0,1], many only presents results for alpha=0.9, 0.99. I saw...
08 February 2021 9,671 3 View
I am interested in doing research on attitudes towards violence against women and the factors that impact attitudes in South Africa? Does anyone know which attitude scale I can use to measure...
06 February 2021 3,076 1 View
Hi everyone, I am writing a research proposal for my masters applications and am in dire need of guidance. I suggest to quantitatively investigate the potential correlation between feminist...
05 February 2021 3,666 8 View
In statistics most of the time, we use these two-term exchangeable, but in my opinion, there is a difference between them. Please suggest your opinion
04 February 2021 7,407 7 View
I am designing a flight controller for a quadrotor. At first I am designing a nested/cascaded controller consisting of only proportional controllers Kp . Now, if i tune the rate controller for 10...
03 February 2021 5,001 3 View