What geographical scales are suitable for sharing information of economic, ecological, social or cultural interest?

It would envisage communication between soil science and other disciplines on the one hand, and farmers, foresters, industrialists, artisans, traders and local residents on the other.

10 December 2020 5,998 4 View

How can I filter MODIS active fire data to exclude single fire burning several days?

I am using MODIS MCD14DL active fire data (https://firms.modaps.eosdis.nasa.gov/download/)to monitor fire distribution in my area of interest. I would like to exclude for each selected hotspot...

29 August 2020 7,952 5 View

How can we deprotect of boc-protecing group in gelatin?

I'm working on gelatin modification. To do this, the amine group was protected by BOC and the carboxylic group was activated by EDAC and NHS to form a stable amide bonds with another amino-content...

31 March 2020 7,220 4 View

RNA Free Energy?

If you have a validated RNA structure (with or without pseudoknots) can you back calculate a theoretical free energy for that structure? I know many programs that calculate a free energy and try...

20 January 2019 7,763 2 View

Which parts of human body has these pH value?

I'll have a drug release test, that is the most important part of my research. My mentor choose some pH value for me to having a drug release in vitro, which is 2; 4.5; 7.4 and 10. In those pH...

29 October 2018 5,613 3 View

How can be measured the porosity of polymers?

What are the methods of measuring the porosity of polymers? Thanks in advance

17 October 2018 3,192 13 View

How to analyse multiple choice questions using R?

Hello I've collected socio-economic data using ODK that I'm analyzing using R software. I have a multiple choice question with several modalities that I would like to have the frequency of each...

06 November 2017 3,795 14 View

Which verification methods are best for PCR primer validation?

I am currently working to design several primers for PCR (RT-qPCR) and would like to validate them. As of now, I am using Primer-BLAST, both to check for my primers and some from the litterature....

04 October 2016 8,865 4 View

Is it known whether proteincomplexes of which one subunit is polyubiquitinated get degraded, or should each individual protein be ubiquitinated?

is it known whether proteincomplexes of which one subunit is polyubiquitinated get degraded, or should each individual protein be ubiquitinated? If not what determinants define that co-degradation...

26 April 2016 3,308 2 View

How do I write that I'm getting only 1 row from a matrix for an equation?

08 September 2015 2,233 3 View

How to Control Whiteflies in coconut leaves?

24 February 2021 1,005 1 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

22 February 2021 6,569 3 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

21 February 2021 7,561 4 View

Can I perform two way ANOVA in case of some missing groups?

I had control cells and performer ELISA analyses group (time 0). I stimulated cells with substance A and B and cultivated for 1, 2 and 3 hours. On each cells I performed ELISA. I have results...

17 February 2021 8,933 4 View

What is the correct common name for Hydrochoerus hydrochaeris?

There are two extant species of Hydrochoerus: Hydrochoerus isthmius, the lesser or Panamanian capybara, and the genotype species H. hydrochaeris. The latter is the more common species of capybara,...

11 February 2021 3,494 14 View

What is the relationship that determines the depth of the mechanical cultivator with the age or size of the weed For crops planted in lines?

the great depth of the cultivator may lead to passage under the roots without killing them and may give negative results to break up the soil below the roots, increasing their activity, especially...

03 February 2021 3,198 7 View

Does Location Map of Informal Settlements in South Africa exist?

I urgently need a map that shows the point locations of informal settlements in South Africa. I am currently working on a study that seeks to relate protests location to the location of informal...

02 February 2021 4,113 7 View

Johnson et al., 2006 Geology of South Africa?

I am wondering if there is a digital (PDF) version of this book available or if anyone is willing to share this work. It is no longer available from GSSA (Geo Soc. S. Afr) nor does my library hold...

13 January 2021 5,571 2 View

Will the new vaccines be effective against the new SARS-Cov2 strain from the UK?

Two new variants of the coronavirus were detected in the U.K. and have now been followed to other parts of the world including South Africa and North America. The South African variant could be...

05 January 2021 499 4 View

How can I open a SXV4 file (SuperCROSS) in SPSS, R or STATA?

Hello everyone, I received some data from Statistics South Africa in an SXV4 format (SuperCROSS) and would like to open it in SPSS (or a similar programme if need be). I have tried opening it...

05 January 2021 2,463 4 View