Can somebody confirme that this fossils are natica?

More Miroslav Ivanov's questions See All

Where one can buy LGS crystals?

More specifically LiGaS2 or LiGaSe2 Thanks

27 February 2024 7,756 2 View

Input files for Phylonet -recomp, -riataHGT?

I would like to ask what type of input data do these commands require. I am a little bit lost in the Phylonet manual. Is it possible to construct phylogenetic network in Phylonet using data such...

14 November 2023 2,434 0 View

What is the difference between POPDATA=1 and LOCDATA=1 in Structure settings?

Specifically, what is the difference between A) POPDATA=1, LOCPRIOR=1, LOCDATA=0, LOCISPOP=1 and B) POPDATA=0, LOCPRIOR=1, LOCDATA=1, LOCISPOP=0 ? For the clustering algorithm and calculating...

27 September 2023 5,275 2 View

What are your pressures at 4% ACN at a flow rate of 300ul and 400 ul, on Pepmap neo 1500bar, 50cm?

Hi, does anyone have experience with proteomic analyzes using the PEPMAP NEO C18 2UM 75UMX500MM 1500 BAR combined with Dionex, Ultimate 3000? What are your pressures at 4% ACN at a flow rate of...

06 July 2023 9,745 0 View

Why Heat capacity and Entropy are different quantities when they have both the same dimension?

Why Heat capacity and Entropy are different quantities when they have both the same units? It means they are the same.

25 April 2023 4,846 6 View

Does TORR SEAL create a weaker bond with COPPER than with other metals?

Will the strength of torr seal gluing to copper pieces be weaker than that to other metals, e.g. aluminum? thank you

12 April 2023 5,949 0 View

Can be the coincidence as intelligent cause of evolution?

Was there observed some new smart solution caused by the coincidence in nature now?

31 March 2023 999 1 View

What is the difference between FactSage, ThermoCalc or Pandat when calculating phase diagrams?

Please, can anybody send a link (if it exists) where I can learn what is the difference between FactSage, ThermoCalc or Pandat (or others) when calculating phase diagrams? Or to summarize the...

11 August 2022 7,507 4 View

If I watn to drive an ac motor with an DC to AC inverter must I regulate the amperage for the torque?

Hello, I am working on a project and we need to use an DC to AC inverter for the battery power supply. I am searching for devices that conver the current and also are capable of controlling the...

31 October 2021 5,487 4 View

How do you operate a brushlees DC Motor?

Hello, I am looking for a battery for a 70 kW BLDC motor. I want to be able to change the torque and speed of it. I understand that it is possible to vary the speed with the current frequency...

26 October 2021 6,959 3 View

Is this a facetotecta nauplius?

This larva was captured using a plankton net in the Persian Gulf during the summer. I believe it may be a Facetotecta nauplius.

08 August 2024 3,746 4 View

A paper on a fossil lycopod?

Dear all, Does anybody have a pdf of this paper? Wood, G.R. and Beeston, J.W., 1986. A late Permian lycopod cone Skilliostrobus sp. cf. S. australis Ash 1979 from Queensland. Geological Survey of...

07 August 2024 4,857 2 View

Measuring the Intelligence of a Species?

Larger brains, which typically contain more neurons, store and transfer more information (Tehovnik and Chen 2015), but the precise relationship between number of neurons and information has yet to...

05 August 2024 1,238 2 View

Why results of ROS flurescence are negative as there was no bacteria within?

Hello. I am working on ROS production of two systems: system A is cerium oxide and hydrogen peroxide, system B is cerium oxide nanoparticle, hydrogen peroxide and potassium bromide. I did some...

04 August 2024 5,974 3 View

I need the datasets of Microgrid for system identification?

Hi I am working on data driven model of the microgrid, for that, i need the reliable datasets for the identification of MG data driven Model. Thanks

02 August 2024 5,748 4 View

China (Qinghai) flowers identification?

Can someone help me in identification of some flowers observed in Tibetan plateau (Qinghai province)? See the attached pdf. Sincerely Armando

18 July 2024 5,125 4 View

Anyone has Pickford 1987?

Hi Can anyone share? Pickford, M. (1987). Révision des suiformes (Artiodactyla, Mammalia) de Bugti (Pakistan). Annales de Paléontologie, 73, 289–350. Kind Regards

10 July 2024 7,722 2 View

Interested in a Marine Plankton identification and discussion group ?

I have a number of unidentified microplankton organisms from nets or other marine collection efforts and would like to create a group (or join) where people can share their expertise and ask one...

30 June 2024 3,421 4 View

How we can use AI in plant identification and botany?

28 June 2024 8,807 3 View

#dinoflagellate_cysts/ Can you help with identification of these bugs?

Upper Jurassic of Siberia.

26 June 2024 8,177 0 View

Anton Chichvarkhin

This is very likely a naticid. Absolutely impossible to identify its genus with these images.

Salah Ali Hussain

This gastropod species is similar to the British Eocene gastropod.

Miroslav Ivanov

The first one ( first three pictures) is with Oligocene age, the second one is probably upper Oligocene or lower Miocene.