Can anyone identify this fungus/mushroom from China?

The pictures were taken in Guishan Mts in Yunnan. The fungus is ca. 10-12 cm high.

07 January 2021 6,639 10 View

How to performe a non-inferiority test in an adjusted linear regression?

I am looking for the relation between weight evolution (continuous) and a binary factor adjusted for confounders. The regression gives an (adjusted) difference and its CI less than the planned a...

13 December 2020 8,061 3 View

What is a cause of such noise while doing a potentiodynamic corrosion testing with CP-Titanium?

Right now I am trying to make corrosion tests with commercially pure titanium. For some reason, there are a lot of noises in the plot. No bubbles form on the surface of the sample. I am pretty...

06 July 2020 4,400 3 View

Is this bacillar contamination in Jurkat cell culture?

Hello all, I am convinced that this is bacterial contamination of our Jurkat cell culture, though my team says it isn't. I lack the necessary experience. What do you think about this? The Jurkat...

15 May 2020 8,391 5 View

How to model a material in Abaqus with 2 types of behavior: high stiffness in compression and low stiffness in tension?

I am modeling a dynamic problem in Abaqus. The material should have two types of properties: different Young's moduli in tension and compression. Any simple way to achieve it? Thanks!

17 February 2020 8,563 2 View

Does anybody know local/global reports on massive losses of plant species and/or plant biomass?

Catastrophic reports and publications about the rapid loss of species numbers are becoming increasingly frequent. Furthermore, the biomass of common animal species, such as insects or birds, is...

05 February 2020 7,593 4 View

Do plants have a higher conservation value than animals?

I know, the question is a bit simplistic. It is also not only about the plants, but more about the photosynthetic organisms ... However, in this time of global biodiversity crisis, we are...

15 January 2020 6,893 30 View

Can anyone identify this dragonfly from Eastern China?

The picture was taken close to Hangzhou (Eastern China).

05 June 2018 7,202 10 View

Difference between one-electron orbitals in Slater determinant and the basis set

Hi, I have pretty much basic question related to ab-initio HF method: What is the difference between one-electron spin orbitals we use in Slater determinant and the basis set functions? What is...

28 May 2017 9,398 8 View

Is there any side effects of eating rice or grains with read meat?

Red meat is harder to digest than for example poultry. If you eat a high carb meal with red meat the higher ptyalin production can increase the pH in the stomach resulting in bad digestion. Is...

03 March 2017 2,602 10 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

Your thoughts on the spherical densiometer to estimate relative species canopy cover?

Hi biologists and biogeomorphologists, I want to characterize vegetation plots on a transect that follows a successionnal gradient from a river bed to a mature forest. Ecologically, I am...

26 February 2021 5,720 2 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

Bayesian decision trees and bayesian regression trees in Python and/or R?

I am looking for implementation of bayesian decision trees and bayesian regression trees in Python and/or R.. Do you know if the existing libraries support this

23 February 2021 6,689 3 View

How to assure whether a regression tree overfit or not by seeing bias-variance value of the model?

Lets consider a regression tree in which variance is 1.1065*e-10 and bias is 2.962e-13. Also the model RMSE on training set is 1.5e-5 and on training set is 1.2950e-5. Is the model is overfit or...

22 February 2021 7,755 2 View

How to use Remote sensing and GIS applications for mapping the available medicinal plants within the locality/municipality?

Hello, I'm very interested in mapping and managing the conservation of the Philippine traditional medicinal plants, in which I think is very helpful in the field of medicine for further analysis...

21 February 2021 374 5 View

Are cloud points able to identify tree species?

Hello Dears My goal is to classify dense forest tree species using drone images. Is it possible to classify dense cloud points? If yes, in what way and in what software? Thankful

15 February 2021 3,475 3 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

Extraction of DNA from insect samples conserved in silica gel?

Hi everybody, can anybody suggest how to extract DNA from insect samples conserved in silica gel (in my case, mosquitoes)? Does anybody know a commericial kit which does that or a particular...

10 February 2021 3,392 4 View

Which are the factors that determine in a tourist the destination for their travel?

I'm working on a study of how selection criteria of Tourism have changed considering Pandemic + Vaccination expectation, so propose a new prediction behavioral dynamic model for Riviera Maya (Mexico).

09 February 2021 314 7 View