Could anybody provide insights the best tools to create a custom database for taxonomy assignment of metagenomic data?

I am interested in the different tools that can be used to create custom databases for targeted sequencing and how to trim the databases based on the amplicon size? Also, should custom databases...

02 December 2020 3,105 3 View

What type of specimens do I need to take similar SEM pictures of petrified wood?

What would you advice me, what type of specimens do I need to take SEM pictures of petrified wood. do I need the polished samples, rough specimen or thin section?

30 November 2019 9,676 3 View

How to integrate a function considering time and space (3D) in Comsol Multiphysics?

I'm working on a model in Comsol and one of my variables is the sample temperature. I need to integrate a function of temperature along the time and 3D-space. I've already tried the functions...

06 December 2017 5,384 2 View

What does this RNA bioanalizer results indicate ?

I extracted total RNA from fungal samples and my goal is to send the RNA for RNAseq, however my RNA did not pass the quality control due to atypical baseline by the bioanalyser results (Please...

01 January 1970 504 3 View

How would I go about getting an expert review on the interview questions for the dissertation?

Good Evening, My name is David Marshall and I am Doctor of Management Student at Colorado Technical University Online. I just recently received approval from the IRB to start data collection on...

08 February 2021 346 7 View

Does flowing lava generate an electromagnetic field?

I am trying to understand if the flow of molten, iron-rich fluid (like lava flowing through a tube) can be related to the magnetism of earth, generated by convection in the core. In other words,...

16 October 2019 8,726 7 View

Does flowing lava generate an electromagnetic field?

I am trying to understand if the flow of molten, iron-rich fluid (like lava flowing through a tube) can be related to the magnetism of earth, generated by convection in the core. In other words,...

09 October 2019 5,138 8 View

Is it possible to detect the magnetic anomaly associated with the current generated by lava fluid flow?

I am trying to understand, as lava flows through a tube does it create an electromagnetic field? At what point within the walls of the tube does the isotherm of the currie temperature exist and at...

09 October 2019 3,792 3 View

Weathering rates of basalt dust vs. amorphous basalt fibers?

Hi all, The use of basalt rock-dust has been shown to benefit highly degraded tropical soils through remineralisation, however research into its use as a slow-release, sustainable fertilizer in...

05 June 2019 7,557 3 View

How to remove secondary minerals from vesicular basalts?

I have some selected samples with basaltic in composition and vesicular texture. All of the primary constituents are fresh, and they don't have any alteration in thin sections. However, their...

05 June 2019 416 4 View

Metascience and economics?

Can anyone recommend books, articles about discussions that involve metascience and economics? Also, introductory works about metascience in general. I've come across a thesis, but cant' seem to...

10 November 2018 9,121 0 View

What is the adventure of this rock (Scoria) formation ?

These samples were collected from hot water sources,a region close to the thermal facilities and slopes of an extinct volcano mountain.

03 April 2017 6,450 0 View

Can the Sauter mena be used to estimate the surface area of a sample of particles?

I am wondering if the Sauter mean can be used to estimate the surface area of a sample pf volcanic ash that I am analysing? I know that the result will be reasonably arbitrary but, for what I am...

02 March 2017 2,164 2 View

Who has defined the term volcano-sedimentary and referred to?

01 February 2017 5,989 1 View