How can circular economy work trhough out several different supply chains?

Much has been said about Circular Economy in sectors as from durable products or not as so (for instance, apparel, fashion sector). Nonetheless, there are also the advocation that CE can harm...

06 July 2019 1,047 7 View

Size of a supply chain - what is between optimal and socially "ethics"?

Hello. Before I begin, I warn I am not at all expert in this subject. I am just lately reading a lot on reverse logistics. The more I read, the more I find well qualified papers about the...

10 November 2018 173 2 View

TOPSIS - How can I find a calculation software?

Hello I have been working on TOPSIS muticriteria decision model/tool. It runs under the principle of minimum square distances (Euclidian distance). I have been searching for a simple, free...

09 October 2017 6,744 12 View

I need a free guideline about conveyor chains for industrial use. Does anyone can help me?

I would like to know how these types of chains are technically classified, whether is there a standard for this. The aim is to organise a knowledge ontology for industrial conveyor chains. I guess...

05 June 2017 1,000 2 View

How to analyze a particular region of my simulation box in GROMACS?

Hi, I am using GROMACS 5.1.4 to simulate water in contact with a surface. I am only interested to calculate some properties of water near the surface. Let's say at a distance of x nm from the...

03 March 2021 9,989 2 View

How to calculate battery consumption for IoT device?

Hi, everyone I'm working on a privacy-preserving algorithm that will apply to IoT devices. So, I need to measure the power consumption by implementing this algorithm. Any suggestion, advice,...

25 February 2021 8,749 6 View

How COVID-19 has affected mental health?

The pandemic has led to depression and anxiety and its negative effects shouldn't be ignored. However, it has also led some people to become more resilient! What do you think? Thank you.

21 February 2021 4,733 19 View

How to use bag of words for action prediction?

Hi everyone, I'm working on an action prediction (i.e., early recognition) using Bag-of-Words. I know how to use BOW, but regarding action prediction, there is a subtle problem. In the...

19 February 2021 1,442 4 View

Can medicinal plants really play an inherent rule in the COVID-19 tackle?

Numerous scientific reports cited plant extracts with potential antiviral activity and even anti-COVID-19? Why these findings are neglected? I remember very well the warning released by the WHO to...

17 February 2021 2,141 9 View

How can I interpret a ratio variable?

Dear colleagues, I am running a regression in which I have the following regression FoodExp = 67.04 DepRatio +.....e My interest is in the interpretation of the coefficient on the dependency...

16 February 2021 2,058 2 View

How to remove the species data from rda data frame in R (only remain the sites/samples point)?

Dear everyone, When I using the rda function in r, I met this question. As you can see in the figure, there are a lot of deep blue points which refers to the species. But I would like remain...

15 February 2021 8,982 2 View

Can explain this diagram to me, is this the average consumption curve for one day or the total consumption of days in a month summed up in specific?

The hourly load curves of the selected household in each season are shown in Fig. 28. Figure 28 shows the demand for electricity in four months on an hourly basis. Can you explain this diagram to...

08 February 2021 657 16 View

How can AI be used for enabling Design for Sustainability?

Design for Sustainability (DfS) is a wicked and complex problem. It needs the designer to combine specialized knowledge from several disciplines with systemic thinking. The designer also needs to...

05 February 2021 2,998 9 View

Patients with chronic kidney disease could get COVID-19 vaccine?

04 February 2021 278 4 View