What hypotheses about the origin of climate change have more scientific basis?

Is too obvious to say that the weather changes over time. In fact, the thesis of climate change has consensus within the scientific community, as far as I understand. However, there are several...

05 June 2016 720 17 View

There are scientific laws in social sciences?

Is it possible to talk about something that, besides being a law statement indeed, constitute a law in scientific terms within the field of social sciences?

04 May 2016 2,956 94 View

There is a morality in the minds of domestic dogs?

When a dog playing with a human, another dog and even cats, establishes rules, physical boundaries and spaces for the development of the activity, which seem to assume it should not cause harm to...

04 May 2016 2,852 24 View

What should be the responsibility of the scientist for a wrong forcast made public?

Sometimes scientists have to make known their forecasts and the occurrence or not of the predicted events can have an impact on the lives of people affected by filing in geographic space and time...

03 April 2016 4,085 11 View

It is necessary that all probabilities are given for something to be real?

The philosopher David Lewis takes us to a vision in which to solve central problems of metaphysics and the philosophy of language and mind, all possible worlds have to be and are and where for...

03 April 2016 892 28 View

Which is better: stratification prior or subsequent in a survey?

It's common for marketers insist on a stratified sample design to ensure adequate representation of the relevant segments for analysis, even when it would lead to a rift with random methods. Some...

03 April 2016 5,041 7 View

How should regulate the publication of negative results of an experiment?

03 April 2016 182 23 View

Numbers really exist?

In what sense numbers exist, if any? They were there and simply discover? Were there no matter if we thought of them? Some say that the numbers are entities that are in the real world, though not...

03 April 2016 8,063 59 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

What are the countries most affected by extreme rainfall as a result of climate change?

Increased heat, drought and insect outbreaks, all associated to climate change, have increased wildfires. Decreasing water supplies, declined agricultural yields, health impacts in cities owing to...

01 March 2021 7,168 9 View

What is recommended for solid domain in ANSYS FLUENT?

Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?

01 March 2021 9,785 3 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View

What role should journals play in leading academic fields?

A recent paper by Yeung and Thomas (2021) on journals in event management opens up an interesting debate on the role of journals as academic fora. They demonstrate that event management publishing...

28 February 2021 3,494 6 View

Exit velocity of natural gas from pressurized tank?

Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...

26 February 2021 6,253 3 View

Anyone that can help with Maxquant TMT16plex which is missing?

Hi I am very new to proteomics analysis. I have got raw files from core facility running thermofisher TMT 16plex 4 hours. I cannot find on maxquant the option TMT16Plex there is only up to 11...

25 February 2021 1,675 3 View

How to properly calculate the fluid solid heat transfer between polypropylene matrix and glass fiber in a porous medium?

I'm building a cfx model of thermoplastic pultrusion process on ansys and i have a doubt on how is the proper way to set this parameter in a porous medium

24 February 2021 1,915 1 View

How to properly calculate Interfacial area density in a porous domain?which are possible value for glass fiber?

I'm doing a cfx simulation of a multiphase flow in pultrusion and i set the Interfacial Area density in the heat exchange of a porous medium in this way IAD=Total fiber lateral surface of fiber...

23 February 2021 6,043 1 View