How to deal with COVID 19 positive cases that still positive (with PCR very close to the upper limit) for long time?

Dear colleagues, We work at a laboratory of diagnosis of COVID 19 with qPCR. As intended by the protocol, we recieve samples of positive patients until the second negative PCR (second negative...

09 May 2020 8,815 38 View

Health or economy !?

With the continuing threat of the Coronavirus and the deterioration of global economies due to quarantine, are we heading towards choosing between health or the economy?

29 April 2020 4,509 26 View

I need experimental researches that clarify the effect of well number and width on the performance of quantum-well solar cells?

Dear All, I need experimental researches that explain the tradeoff between short circuit current and open circuit voltage when we increase the number of QW, or width. Thanks in advance

30 April 2019 2,941 2 View

What is the most suitable PEG to use to link peptide in a peptide-coated niosome?

We are working on preparing a drug carrier niosome. We are planning to use a 24 amino acid peptide (MW=3000 kDa) as a coating which will serve for homing purposes. As to link the peptide we are...

31 October 2018 5,295 1 View

Why is isolated liver mitochondria and colon mitochondria respond differently towards the same agent?

In a recent experimentation where we tested an agent's effect on the oxidative stress status on mice (inflammatory model of IBD), we found that livers and colons present a similar response...

24 September 2018 9,990 1 View

Hi all, Does citrantifidiene and citrantifidiol extracted from Trichoderma are volatile compounds?

Hi all, Does citrantifidiene and citrantifidiol extracted from Trichoderma are volatile compounds?

12 August 2018 9,783 1 View

How to determine R-cuve for concrete?

Dear all, How to determine R-curve of concrete for crack growth, is there any equations to calculate it ? If it is related to experimental test, is there any data of r-curve in order to...

15 November 2017 4,314 1 View

Parameter of Archived multi-objective simulated annealing (AMOSA)?

01 May 2016 7,756 4 View

How can I define the dimensions in multi dimension scaling (mds) to build a perception map?

dear researchers, i need to develop a perception map through a multidimention scalin (mds) on spss in the framework of measuring brands image, but i need to know how can i define the dimentions....

06 December 2015 6,784 2 View

Can I simulate crack propagation on ABAQUS ?

Good morning every one. I need your help. I am now working on crack propagation on concrete gravity dams, I want to know some models to simulate penetration of water on cracks and how it...

17 November 2015 3,116 5 View

Why should we choose deep learning to machine learning? Why is CNN better for image classification? Can I get Typical Answer?

What Characteristics makes CNN work better?

03 March 2021 1,458 4 View

What are some of the research gaps in machine learning and artificial intelligence in africa?

i would to know some of the research gaps in the artificial intelligence field in most african countries.

03 March 2021 6,145 3 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 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 analysis to choose with a large neste dataset and clearly skewed or kurtotic distributions?

Hello! I have a dataset of n=3000 nested within 8 countries with approximately 200 or 400 responses in each country. I originally planned to perform multilevel modelling with 4 dependent variables...

02 March 2021 6,865 1 View

Can you share me how teacher education is managed in your respective national educational system?

I feel that the practice in teacher education in my country is below the expected performance level due to very poor management system. Hope I will learn something from your experiences.

02 March 2021 1,516 4 View

Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 2 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View