Do you know any professor in Germany whose research field is DLC coating?

More Mahdieh Askarian's questions See All

Do you have any code about PCA for classificatin in MATLAB or Python?

Hi, I need PCA (principle component analysis) code for classification. I would like to use it for fault diagnosis. Thus, the problem is multi-class not just binary-class. I would be grateful if...

05 June 2015 892 1 View

How to save a variable as a CSV file in Python?

Hi There is a list variable in Python a=[1, 2, 3....] I would like to save it as a csv file. First, I would like to convert it to a variable in this form b=['1', '2', '3'....] Then, save it as a...

31 December 2014 7,743 1 View

How do I solve an ordinary differential equation system?

Please consider following ordinary differential equation system: d(v)/dt=f0-f %f0 is constant ...... f,v are variables d(v.c)/dt=f0-f.c-z % c,z are...

11 December 2014 7,236 7 View

How to troubleshoot "R Session has a fatal error" ?

I use DLM library in R 3.1.1. When ever the "dlmfilter" command is run, R stops working and the following massage is displayed: "R Session has a fatal error" What is the solution?

10 November 2014 5,408 0 View

How are unknown parameters of dynamic linear model (state space model) specified?

The main idea is to use multivariable time series (as observations) to predict a state variable (one dimension). Please find the attachments. For example time series mm (4 variables and 200...

09 October 2014 6,785 2 View

How many state variables should be selected for classification by HMM?

I have a multivariable time series database and label of each subset. It is intended to learn parameters of HMM (Hidden Markov Model) based on the data for classification. At first, I select the...

08 September 2014 4,312 9 View

What is the maximum a-posteriori probability in Bayesian network classifier?

For a classification problem, consider two steps: training and testing.Assume that the Bayesian network classifier is required to be designed based on data.At first, uniform distribution is...

07 August 2014 8,839 4 View

How can I discriminate two signals (time series)?

In addition to mean and variance, what statistics can I use to for discrimination of two signals? I want to determine which signals are more similar to each other and which signals are too different

07 August 2014 7,640 18 View

For classification (fault diagnosis), what is the advantage of Bayesian Network vs. Naive Bay classifier?

Naive Bayesian classifier have just two layers, one for Faults and the other for Symptoms. But, some researcher use Bayesian Network for classification such as the attachment. On the other hand,...

07 August 2014 9,295 6 View

What is the difference between statistics and parameters of a distribution?

assume that 100 samples with Gaussian distribution. After fitting the model, mean and variance estimated as parameters of the distribusion. Then what is statistics for this dataset? What is the...

07 August 2014 5,075 10 View

Which type of compound does lamda max of 218 indicate in a uv-vis spectrum of a partially purified compound through column and TLC?

A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...

11 August 2024 9,801 2 View

Do you think can be any diamond bearing rocks in Eastern part of Iran and western part of Afghanistan?

I want to know more about diamond ore deposits in world.

11 August 2024 2,167 1 View

What is the reason for current dropping in OER , LSV curve?

I tried four trials of the same Copper Phosphides sample in Alkaline medium ( 0.5M KOH) with Hg/HgO reference electrode and Pt as counter electrode. I used 0.001 V/s scan rate for first three...

10 August 2024 3,629 1 View

Adhesion strength of coating?

How can I determine a good adhesion strength range for coatings on polymer surfaces, such as DLC on polymer substrates? Is there a specific threshold for adhesion strength (from T-peel tests)...

10 August 2024 942 3 View

Geotechnical Engineering (Proceedings of the ICE) time review?

Hello everyone, I recently submitted an article to Geotechnical Engineering (Proceedings of the ICE), and the current status has been listed as "EiC Pre-assessment: Ready" for the past 20 days. I...

10 August 2024 6,493 1 View

Do interactions between biosphere, carbon cycle, & water cycle impact global warming & interaction between atmosphere & hydrosphere?

How do interactions between the biosphere, the carbon cycle, and the water cycle impact global warming and interaction between the atmosphere and the hydrosphere?

09 August 2024 3,291 2 View

How do I conformally do PR spin coating on trench structure?

I did PR spin coating on trench structure. I used AZ P4620 PR and the thickness or PR is around 11um. The substrate is Si. And my trench structure depth is 141um(negative way). Even though I...

08 August 2024 2,298 0 View

Do you think can be any diamond bearing rocks in west of Iran?

I want to know more about diamond ore deposits in world.

07 August 2024 7,413 0 View

Why do i have a weak plasma and no coating during rf sputtering?

I have been getting a low plasma and no coating while doing rf sputtering of copper doped ZnS using a power of 140 watts and at pressure of 6.5x10-3 Mb.

07 August 2024 4,526 4 View

Hello Everyone ! I'm looking for a good journal to publish my manuscript with low publication cost?

I am Looking for a Science Journal with good impact factor and low publication cost to publish a review paper. Your suggestions would be appreciated.

06 August 2024 6,796 3 View