What type of this fossils?

More Yasser Hassan Kddo's questions See All

What is the appropriate period for indexing an article in the Scopus database?

Dear RG members The indexing of a published article in the Scopus database may depend on several factors. The issue is that my colleague and I have published separately two articles in the same...

16 December 2020 4,361 19 View

How about self-publishing with Amazon ?

What are the cons and pros of self-publishing of scientific books with Amazon ? Does it worth from the proficiency and royalties point of view ? Is it important for the author to be highly...

10 October 2020 4,521 2 View

How to reduce excess pore water pressure when i am modelling using PLAXIS 3D?

I'm verifying a field embankment supported by ESC monitoring data using plaxis 3D and i'm trying to reach the field values using the available data from soil tests performed, yet the excess pore...

10 September 2020 5,740 9 View

Is there any free software that can facilitate the prediction of the fragmentation acquired from the mass spectroscopy?

Dear RG members The analysis of the mass spectrum of an organic compound is not an easy task and needs high expertise. Is there any free software that can facilitate the prediction of the...

04 August 2020 8,021 15 View

How can we differentiate between academic and predatory journals?

Dear RG members According to my institution, publishing in a journal that is predatory by itself or its publisher is a big mistake. So, what is the robust identifier that differentiates between...

31 July 2020 6,638 94 View

What are the Criteria of Storing Natural Gas in Reservoirs?

Natural Gas can be stored underground in 4 types of reservoirs: 1- Depleted Gas 2- Depleted oil 3- Aquifer 4- Salt Cave. What are the criteria that help decide the suitablity of one reservoir for...

04 July 2020 3,329 4 View

What is your opinion about the updated Citescore methodology applied by Scopus?

Dear RG members What is your opinion about the updated CiteScore methodology applied by Scopus for the calculation of the CiteScore of 2019? Are you with this new methodology or not? Is this...

29 June 2020 7,762 6 View

How can I removed the solvent from my product?

In the synthesis of certain 7-hydroxycoumarin conjugated by an amide bond with 5-fluorouracil, the used solvent (DMSO) has distilled off under reduced pressure. The product was still sticky and...

15 June 2020 9,529 20 View

Asking for full data about daily recovered covid-19 cases by country?

I'd like to have an Excel sheet of daily recovered covid-19 cases (by country). Is there any website can provide it?

08 June 2020 5,627 4 View

Concerning SN1 reactions, which is the strongest nucleophile?

Dear all In the SN1 reactions, which one is the strongest nucleophile: methanol or ethanol? And why?

05 June 2020 2,193 20 View

Any references about insects or animals that can damage or weathering of rock or fossil material?

Are there any references to insects or animals that can cause damage or weathering to the rock or fossil material? books or paper that would be nice. Thank you very much!

24 February 2021 6,805 3 View

Since I am design automatized grader for forest seeds, it is important for me to know the following?

1. Is there a difference between a dormant seed, for example, of Scots pine, a fossilized dead seed, and an active live one by spectrometric or other characteristics? 2. Is it possible to...

26 November 2020 9,275 2 View

Which are the drawbacks of using a medical CT for scanning fossils?

I am in the need of scanning some fossils for analyzing their inner structure. Unfortunately I don't have access to a proper CT or micro-CT of industrial use that suits nicely fossils and neither...

16 November 2020 1,748 6 View

Is there any report of commensalic/parasitic/symbiotic relationship between fossil communities from Indian examples?

I would like to collect and understand information on commensalic/parasitic/symbiotic interactions among fossil communities from Indian geological records. if there are any reports/publications in...

14 October 2020 6,253 1 View

Anybody can determine this micro-fossil?

Dear Researchers, I found it from Permian limestone strata in Julfa province (North-West of the Iran country). It should be mentioned, this microfossil extracted from samples collected of the...

29 March 2020 574 5 View

What is the best method to stop pyrite decomposition of a fossil?

The problematic specimen is a fossil endocast of a calamite stem from the Carboniferous. It contains some pyrite and the oxidation process is already running. What is the best method to stop the...

22 March 2020 9,246 19 View

Can somebody help me and recommend publications for extracting Radiolarian microfossils from the Middle to Upper Permian strata?

Dear researchers, I'll be grateful if it is possible to recommend any method papers for extracting Radiolarian microfossils from the Middle to Upper Permian. Sincerely yours, Soheil.

22 March 2020 5,895 4 View

What is the best way to date a phylogenomic tree?

What is the best way to date a phylogenomic tree using fossil calibration? It is more or less straightforward with a few Sanger loci using programs like BEAST, but it becomes intractable with...

26 February 2020 4,263 8 View

Phylogenetic analysis of morphological dataset adopting Bayiesian inference : which software?

Dear colleagues; I am approaching Bayiesian phylogenetic analysis, and I am dealing with (fossil) morphological datasets. I am especially interested in tip-dating and I would like to have an...

01 February 2020 1,097 7 View

Fossil Cladocerans? Dear Colleagues! My team is very interesting t look at them (at least images)...Do you have any fossil cladocerans to study?

For a long time we are looking for the fossil cladocerans (Crustacea: Branchiopoda: Cladocera). Many papers were published previously by my team. But now we are looking for the next fossils, i.e....

10 November 2019 3,678 2 View