Why does Reaction Wood acts opposite in gymnosperm and angiosperms?

I am wondering why the Gymnosperms have an opposite behaviour that Angiosperms in the Reaction Wood (RW). Are there some new findings regarding that? Studies say that causal agents can be the...

10 January 2021 8,744 4 View

Any scientific magazine you recommend in order to publish an article?

I want to publish an article and I am looking for a magazine that you recommend

02 January 2021 2,419 4 View

Photoionisation cross section of (singly) excited Helium?

Hello, I am searching the photoionisation cross section of (singly) excited Helium (1s2s as well as 1s3s). I only find either neutral Helium or doubly excited Helium. If someone could provide...

17 November 2020 7,096 3 View

If the daily (hourly) concentration of PM2.5 is not Gaussian. Is correct apply an arithmetic mean in epidemiological studies for risk assessment?

The distribution of daily PM2.5 concentration (hourly) is bimodal in the city of Coyhaique (South of Chile). Coyhaique is the city more polluted by particulate matter accord the WHO. The major...

11 October 2020 2,006 3 View

Residual stresses of heat-soaked hot bent glass - are they different from flat glass?

Usually, during the structural design of flat glass, one does not need to take into account the effects of changes from residual stresses. Question: How to understand and predict the residual...

15 March 2020 681 5 View

Structural steel design - Effective length of a fillet weld according to EN 1993-1-8, 4.5.1 (1) unclear in definition?

In contrast to the older German steel code DIN 18800-1, the Eurocode for steel design defines an effective length of a fillet weld as follows (no sketch is provided in the Eurocode): "The...

12 December 2019 592 5 View

How is the deflection of aluminum frame structures influenced by the stiffness of corner cleats and the fitting tolerance?

How is the deflection of aluminum frame structures influenced by the stiffness of corner cleats and the fitting tolerance? Explanation: An ( orthogonal ) corner where two (extruded) aluminum...

05 June 2019 2,194 5 View

Raman spectra of Melanoidins ?

Hi there, we failed to measure Raman spectra of dark products of the Maillard reaction for several times. In fact fluorescence seems to be a problem even when working with 1064 nm. In addition...

05 June 2018 4,890 7 View

Are there proofs that interest in sustainability is correlated with research based learning ?

Actually we have a lot of discussions how research based learning pushes the interest in sustainability. In our project laboratory of chemistry it seems as if the students are activated to get...

05 June 2018 1,430 6 View

Outcome and competence level achieved by digital teaching ?

Hi, actually we have a strong discussion going on, if learning outcomes and competence levels rise when applying digital elements in the classroom. It seems that any approach is biased because...

05 June 2018 3,734 3 View

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

Can anyone provide the Support vector regression code structure of LIBSVM MATLAB or python ?

Please, if Gaussian Parameter optimization is possible in this code structure

28 February 2021 278 3 View

How to modify Johnson cook equation in ABAQUS?

I wanted to add an extra parameter to the existing Johnson cook equation in the ABAQUS simulation. How to add those extra parameters. Ref: A modified Johnson-Cook material model with strain...

28 February 2021 4,841 3 View

How to plot the probability paper of Gumbel distribution using R programing?

In R-studio, there are many commands of Gumbel package. Arguments are also different. I`m asking about the alpha parameter of the Copula which must be greater than 1. If this is the one used to...

25 February 2021 5,229 3 View

No module named 'tensorflow.keras.backend.tensorflow_backend' ?

System Description Cuda 11.2 GeForce GTX 1080ti tensorflow version 2.4.1 keras version 2.2.0 python version 3.8 I was getting the below error when I try to run my code on the...

25 February 2021 6,673 2 View

What software programs can directly simulate Additive Manufacturing Directed Energy Deposition (DED)?

I understand there are a lot of software programs that can simulate DED by going through specific modeling, simulation, and commands. For me, that was time consuming and results were not accurate....

24 February 2021 4,428 3 View

Implementation of chance-constrained optimization problem via scenario approach?

23 February 2021 7,826 2 View