Dear researcher, can you help me identify this plant they told me, it belongs to the Pistacia genus. best regads?

More Mohammed Cheurfa's questions See All

Identification of plant?

Dear researcher, can you help me identify this plant they told me, it belongs to the Asteraceae family. best regads

04 May 2018 8,177 4 View

Identification of plant?

dear doctors, is this plant chamomile? can you give me the species. best regards.

02 March 2018 5,078 7 View

Identification of plants?

dear doctors can you help me identify the plants in the attached files? thank you as well

01 February 2018 9,343 4 View

methods for Vanillin synthesis?

There is a method of extracting vanillin from paper and vegetable waste ? Best regards

31 December 2017 6,115 0 View

Anti-prostate cancer activity of plants?

dear doctors I am looking for someone who helps me to evaluate the anti-prostate cancer activity of plants and their active ingredients in vitro? best regards

31 December 2017 8,999 5 View

Biological actitivity of plants extracts

Sometimes, when biological activities such as the antioxidant activity of plant extracts for example are tested. It is found that the lowest concentration has the highest activity.Is that logical?...

05 June 2017 4,321 2 View

Docking software

Which is the most used and more efficient software for the docking of two molecules (eg natural molecule)? And how I can consider a result as the most reliable Thanks in advance. best regards.

01 February 2017 8,909 0 View

Behcet's disease???

please, can you give me informations about Behcet's disease and how to prevent this disease

03 April 2015 1,784 1 View

What are the molecular mechanisms that allow thermophilic bacteria to survive at high temperatures?

What are the molecular mechanisms that allow the thermophilic bacteria to survive at this temperature ?

03 April 2015 4,233 5 View

Lc ms analysis???

I need realisation of lc ms analysis on phenolic compounds of medicinal plants extracts, so I need your help please.

09 October 2014 4,305 4 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

Which is the best place in the world for the plant biotechnology research?

I am searching for a good place for the Post Doc,

02 March 2021 4,053 3 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

Would fecal samples stored at -20C for over a year impact metagenomic analysis?

Dear All, I have access to some rodent fecal samples that have been stored at -20C instead of -80C. Anyone have experience with the impact of stowage condition on comparative metagenomic analysis...

01 March 2021 2,512 1 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 View