How can we improve AI in detecting fraudulent activities on digital payments?

I am conducting a study on the effectiveness of AI towards detecting and averting digital payment fraud. What are the popular AI techniques being adopted in mitigating digital fraud and how could...

21 February 2021 3,888 4 View

Can anyone direct me to a paper or chapter that discusses calculating sample size in a self-selecting survey study?

Our study is investigating clinical knowledge in a specific area in healthcare workers at a large metropolitan hospital. Participants will self-select to complete the survey via email invitation...

11 January 2021 7,934 2 View

Best Way to Preserve Nitrifying Bacteria in Liquid Culture?

I have a heterogeneous culture of nitrifying bacteria that was originally isolated from the field. It has been kept alive for several months in a bioreactor. I want to pull some of this...

18 December 2020 5,411 4 View

Best way to preserve non-sporulating bacteria?

What is the best way to preserve non-sporulating bacteria for further study?

20 May 2020 5,532 5 View

Best way to preserve heterogeneous culture of non-sporulating bacteria?

I have a culture of heterogeneous bacteria that will NOT form endospores. This bacteria was originally isolated in nature and is a complex culture of multiple species. I want to be able to...

20 May 2020 8,369 1 View

Are 'any other/further comments' at the end of a questionnaire considered quantitative or qualitative data?

I am undertaking a quantitative study using a questionnaire. At the end of the questionnaire there is a lined, blank page asking participants to write 'any other / further comments'. Are...

06 August 2019 4,808 12 View

Can anyone help in identifying these microalgae species in a consortium?

19 December 2018 1,076 10 View

Where can I find used or demo microscopes?

I am looking for an Olympus Cx43 model microscope that has been used or was a demo model. I would also settle for other earlier models of Olympus microscopes. I need a 100X objective, a camera...

04 November 2018 4,010 7 View

Can I Store Cells in -80 for later protein sampling?

Hello, I wonder is it possible to store the cells (Plate) at -80 degrees Celsius for later protein sampling (western blot)? I want your opinions

01 November 2018 2,819 6 View

What are the recommended porogens for fabricating a porous Polyphenylsulfone (PPSU) polymer membranes?

I would like to fabricate porous PPSU based polymer membranes

22 July 2018 5,140 3 View

Is there central controller for stock market, the Internet, or the food supply of big cities?

One of the properties of complex adaptive systems is inherent order. It means that system can be orderly even without central control. According to Prigogine,1967, Holland,1998, and Kaufman,1995.,...

30 December 2020 2,068 5 View

How to design manholes of a stormwater tunnel?

I am exploring for the design code or manual and standard drawings of access and maintenance manholes of the storm water conveying tunnels. (i.e free flow tunnels not pressurized ones) but all of...

22 December 2020 2,590 4 View

How seminal was the influence of Giuseppe Campos Venuti and Federico Oliva in Italy, France, Spain and other countries?

The question is what remains in the urban planning and in our professional and intellectual experiences of Giuseppe Campos Venuti and Federico Oliva? What about discipline now? They reasoned and...

30 October 2020 5,450 4 View

How to interpret the centrality indices in network analysis?

I learned that in order to interpret the centrality indices, the CS coefficients resulted from a bootnet test are preferably above 0.5 and above 0.25 is acceptable. In my network, the CS...

29 October 2020 3,545 3 View

How to accurately quantify stormwater runoff taking into account both land surface cover and climatic conditions?

I would like to estimate stormwater runoff using a methodology that takes into account both land surface cover and climatic conditions. Is there a reliable approach to achieve that?

18 October 2020 9,325 2 View

Vacuum exhaust for tube furnace evaporation system?

Hello, I'm trying to design a tube furnace system which includes vacuum and gas (inert) flow. The system will be used to evaporate powders. The vacuum line will be connected to a central line. As...

18 August 2020 1,371 4 View

Hi everyone. Can you please advice me any research explores how is leadership practiced in centralized education systems?

I am interested in how instutional contexts affects our practices in school settings? In my case for example, vision is developed following the vision of the Ministry, distirbuted leadership is...

09 August 2020 5,688 3 View

Is there a rare disease information repository in india?

Is there is any centralized source for the information of district wise occurrence of rare diseases such as biliary atresia over the years in India?

27 July 2020 4,435 1 View

Difference between decentralized and distributed networks?

As much as I read about decentralized and distributed networks, it becomes more and more difficult to make a clear cut distinction between the two. Kindly, help by providing a clear distinction...

26 March 2020 9,174 3 View

What is the relationship between Covid-19 and the level of democracy?

In the disaster management literature, it is suggested that there is a relationship between disaster-related deaths and the democracy level of countries. According to this view, disaster-related...

16 March 2020 2,154 45 View