Electrocardiogram (ECG) Images available?

We are looking for a database or a data set with ECG images. We have already found some that contain the ECG data, but we need the images to evaluate them with AI methods.

01 October 2020 3,688 3 View

Indoor and outdoor coronavirus concentrations in aerosols?

I have been wondering why there are so few studies that measure the concentration of coronavirus in the air, especially outdoor studies, so I started searching for reliable scientific...

28 September 2020 5,695 5 View

Method for the extraction of insect melanin?

Dear colleagues, does anyone know a reliable method for the extraction of melanin (from both cuticle and formed by immune activated phenoloxidase in the body cavity) from whole insects? Thank...

24 May 2019 962 3 View

How can one measure the image of a city? Are there studies dealing with a comparison of city image (especailly for German cities)?

I'm dealing with the question whether the image of a city is a relevant factor to explain the economic performance of that city and I'm searching relvant literature.

11 September 2018 8,895 4 View

I search studies analyzing social media (instagram) accounts of different types of criminal offenders??

11 August 2018 1,531 1 View

How can I implement a backpropagation routine?

We are currently developing our own machine learning platform with an emphasis on text mining and we are looking for a reproducible methodology to implement backpropagation. Where can I find a...

21 May 2018 3,250 4 View

Is there any microturbulence in a laminarized flow with Re < 2300?

Dear Colleagues, Is there any microturbulence in a laminarized gas / liquid bubbly flow with Re < 2300 and if yes can it be described by the Taylor length scale? The more practical background...

01 July 2016 2,130 1 View

I am looking for formaldehyde or glutaraldehyde fixed Trichoptera and/or non-Ditrysian Lepidoptera larvae specimen. Has anyone samples for me?

I want to examine the internal anatomy of Trichoptera and non-Ditrysian Lepidoptera larvae. The genus or species does not matter much for the first examinations, but it would be beneficial to know...

24 February 2016 1,595 3 View

How do I segregate radium sulfate from a radium / barium mixed sulfate as it commonly occurs in oil and gas scales?

14 August 2015 5,548 6 View

Who is working on Personal Rapid Transit?

Personal Rapid Transit uses a computer-controlled pod available to individual users on demand

27 January 2015 1,968 4 View

How can I obtain time series data by country on night-time light (brightness) ?

Hi everyone, Please, how can I obtain time series data by country on night-time light (brightness) ? I've tried, but so far all I can find are maps. I am looking for numerical data, especially in...

24 February 2021 8,625 4 View

How to disaggregate country data into city ones?

I'm using a number of indicators in my research which are not available at a sub-national level. Is there a reliable method for disaggregating the country data into city ones? (preferably with a...

16 February 2021 6,861 3 View

How is Initial GDP measured ?

Dear All, I am working on estimating Debt-Growth Threshold but confused about some points. My questions are; - How do we calculate initial GDP Per Capita? Shall we do it in STATA or excel file?...

15 February 2021 2,677 2 View

What Research is yet left in the field of Automation and Unemployment?

I have been through a number of journals and Research Papers. I wanted to get an idea as to what new areas are still left to be researched in "Will Automation lead to unemployment or it will lead...

09 February 2021 9,332 4 View

Without using a course aggregate why the topic is named as Textile Reinforced Concrete? & why not it is named as Textile Reinforced Mortar Cement?

Dear Researchers, In Textile Reinforced Concrete is a novel construction material consisting of a cementitious binder and a textile reinforcement. Without using a course aggregate why the topic...

24 January 2021 2,654 9 View

Please suggest latest published standards on museum collection storage & maintenance. Has COVID brought any significant changes in the protocol?

What is the level of compliance to these published standards in textile museums and what is the impact of this compliance on museum budget and infrastructure?

28 December 2020 757 2 View

How to fix a failed Ramsey's RESET test?

I am making a modified environmental Kuznet's curve for Iceland, the model I have is: dependent variable: ln(CO_2_emissions/capita) independent variables: ln(GDP/capita)...

18 December 2020 9,712 2 View

Panel data with dummy variable as an independent one?

Greetings, so let me explain what I mean in brief. I have n=2 ( two countries), t=30. the dependent variable is GDP growth and the explanatory are 4 continuous ones. the dummy variable ( the...

08 December 2020 8,667 3 View

ARDL bounds test on Eviews: does multicollinearity impede the model from running?

Hi everyone, I hope I can get some help. My group is running an ARDL bounds model to test the Environmental Kuznets Curve in Cyprus. We're trying to perform it on Eviews, but we can't seem to be...

02 December 2020 9,230 4 View

How can we sell chemistry to the public?

Chemistry is frequently termed the "central science". It underlies the foundation of modern civilization (drugs, plastics, textiles, dyes, fertilizers etc.), but the public perception of chemistry...

30 November 2020 1,113 15 View