I am struggling with the concept of preprint papers and wonder how people feel about them?

Specifically, how should we use them given they have not been peer-reviewed? Should we rely on the results reported in pre-prints for policy? I am really probing for thoughts on whether...

04 February 2021 3,175 15 View

What is the original departure point light year distance, of visible here & now light, from the most distant stellar object?

What was the light year distance to the original departure point: of light arriving here and now from the most distant stellar objects? I am not asking the travel distance, but fine to also...

25 October 2020 8,978 14 View

Could you suggest to me the best simulator for Localization in Wireless Sensor Networks?

I want to simulate WSN for localization both for range-based (ultrsound) and range-free (RSSI). I want to measure the accuracy of each sensor and also the energy consumption. Which simulator is...

25 October 2020 9,816 8 View

What's this isomorphism at play in quantum optics?

I have looked at the time development of the creation and annihilation operators for a mode of the quantized free electromagnetic field. It was assumed that the equations of motion for these...

29 September 2020 8,955 5 View

What is the maximum service temperature of austenitic stainless steels hardend by cold-work?

I have an application for grade 304 stainless steel in the cold-worked concition - e.g. "half-hard" - and I would like to know a safe operating temperature that will not risk softening by...

22 July 2019 7,768 3 View

Could you also send reprint to <[email protected]> ?

My "question" stems from work at Barron Associates, Inc. in 1990's et seq. by A. Barron and D. Ward re polynomial neural nets having internal feedback loops that let them model dynamic (including...

10 December 2018 5,701 1 View

Is the sensitivity of current pancreatic elastase tests high enough to diagnose exocrine pancreatic insufficiency?

A recent meta-analysis has shown that pancreatic elastase test has a combined sensitivity of 0.77 in detecting exocrine pancreatic insufficiency (Vanga, Rohini R. et al. Clinical Gastroenterology...

18 April 2018 1,450 13 View

No title

I have tried to derive, in a particular form, an equation for the electric field of light propagating in a dielectric. Unfortunately, for my intended purpose, for the case of electromagnetic wave...

30 January 2017 379 7 View

What Spike Sorting algorithm/platform should I try next (Kilosort vs others)?

Dear all, Is there a Spike Sorting revolution taking place? There is always progress and new ideas on how to sort electrophysiological spikes in order to study single unit activity. I have the...

05 December 2016 2,120 2 View

How would stellar formation occur if prior to a cosmic inflation / expansion event?

13 January 2016 3,716 25 View

Are woman who have an hysterectomy more likely to experience mental illness following surgery?

The evidence is mixed and variable over the decades. More recently, evidence suggests mental illness can be associated with having an hysterectomy. Case Study A lady, aged 54 had an hysterectomy...

10 April 2020 7,324 4 View

How rapidly deteriorating environment of the earth can be checked?

World population has crossed 7.7 billion. It's needs for space and resources are also rapidly growing. Human activities are expanding and their multiplier effect is deteriorating earthly...

08 September 2019 5,791 4 View

Is 137Cesium still considered a valid, appropriate and widely used technique for examining soil carbon accretion in wetland systems?

The collection of soil cores and dating via 137C analysis can be used examine soil carbon accumulation/accretion over time. A recent research paper suggests reliable 137C profiles are increasingly...

24 June 2019 395 3 View

Which NDT methods is the most effective technique for assessing the the steel stands(to know the exact cross section of the steel which is corroded ?

Which NDT methods would be the most effective techniques for assessing grouted pre-stressed cable ducts in post-tensioned bridge decks in oder to determine the loss in cross-sectional area of the...

05 June 2019 2,607 4 View

Is 137Cesium still considered a valid, appropriate and widely used technique for examining soil carbon accretion in wetland systems?

The collection of soil cores and dating via 137C analysis can be used examine soil carbon accumulation/accretion over time. A recent research paper suggests reliable 137C profiles are increasingly...

05 June 2019 1,235 4 View

Trouble with PCR reaction?

I'm analizing bacterial 16S sequence and having some trouble with the PCR reaction. The genomic DNA integrity is ok as shown in the agarose gel, but the PCR products are somehow deteriorated and...

15 April 2019 9,849 8 View

Trouble with PCR reaction?

I'm analizing bacterial 16S sequence and having some trouble with the PCR reaction. The genomic DNA integrity is ok as shown in the agarose gel, but the PCR products are somehow deteriorated and...

03 April 2019 6,714 9 View

No title

Considering this fact that the core of electrical machines plays a significant role in its operation, why is it less testing methods available for it? What is your opinion about a quick, accurate...

01 February 2019 2,323 1 View

Image processing methodology for thesis , i have question?

Good Day! i have a question on my methodology design on my thesis. the general idea of the thesis is, acquiring a digital image of a fish and correlate generated transformation values which mine...

17 January 2019 2,128 6 View

Image processing methodology for thesis , i have question?

Good Day! i have a question on my methodology design on my thesis. the general idea of the thesis is, acquiring a digital image of a fish and correlate generated transformation values which mine...

31 December 2018 159 7 View