Hi, i have a question about atomic absorption spectrometer Analytik jena Novaa 400p. I have an error message which appears : Energy in autozero run?

I have an error message which appears in the screen of atomic absorption spectrometer Analytic jena novAA 400p.

20 April 2019 9,841 1 View

Looking for researchers opinions about Depthmap ?

Depthmap is a tool for typological Analysis of spatial environments. so , are there any critical opinions about using this tool in our papers? ,

04 February 2019 8,100 2 View

I want analyze sample of used engine oil by GC-MS, I must just dilute it in hexane or there is another treatment before analysis?

I'm working on the biodegradation of used engine oil by bacteria, I must extract it from culture and analyze it to determine the bacterial activity againt the used engine oil, then I will analyze...

09 December 2018 7,315 6 View

How to cut a sample for SEM analysis (cross-section of a capillary packed column)?

We are preparing new packed capillary columns (packed with silica particles) for capillary electrochromatography. One of the techniques we use for the characterization is SEM of the cross section,...

09 December 2018 829 4 View

I'm going to investigate about language attitudes among students at UAE University. What Arabic dialect to choose for the dialectal Arabic guise?

19 May 2017 1,996 5 View

How can I interpret my mean scores?

Arabic:7.5818 French :3.5636 English:4.4723 I'm working on attitudes towards Arabic, French and English as a meduim of instruction among students at University. and I got these results. My sample...

27 February 2016 4,337 18 View

How does the charge oscillate in a time-motion to create radiation?

If charge is oscillating in a time-motion, it radiates even if the wire is straight.

07 February 2014 5,481 3 View

Type of sampling

If I send a survey questionnaire by email to all members of for example the Association of Psychologists in a country, what sampling technique did I use? I would say cohort sampling, but I am not...

01 January 1970 6,339 3 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

How can I make stacked bar graph with scatter plot?

I want to make a stacked bar graph with showing each data value as dots. I tried with graph pad prism, version 6, but could not succeed. Does anyone have tried before making such graphs?

01 March 2021 9,383 1 View

How to remove fatty material from plant extract?

The resultant solid was partitioned three times with 250 ml of petroleum ether (40-60/c) to remove any fatty material and evaporated to dryness.

28 February 2021 9,464 2 View

What could be reason for getting such type of graph for complex impedance in case of polymer blend films?

Its effect appears in real part of ac conductivity also. Can anyone suggest any reason behind it?

26 February 2021 3,487 3 View

Can I use a graph from a another source in a thesis?

I have a permission from X company to use their graph from a report, but they have a reference in the bottom left corner of the graph as follows: "Source: Database Y". Is it OK to use this graph...

24 February 2021 2,269 3 View

I have need of XRD graph analysis software for phase identification. Can you please provide links for software tools which can be downloaded?

i am trying to download x'pert high score software, but can't download it. please do suggest software for phase analysis

24 February 2021 5,687 4 View

Could you please suggest to me research in which a relation between the shear wave velocity and the degree of saturation for stone was discussed?

Hi all, I am looking for a graph or a relation that relates the degree of saturation and the shear wave velocity for the marlstone. Looking forward to your suggestions Best Regards

24 February 2021 9,690 1 View

Algorithms to filter corrective max and min from a set of data?

I've got this 5 year Direct Normal Irradiance data I downloaded from https://re.jrc.ec.europa.eu/. I ordered this by year and by every 24 hours because I need the DNI curve by max in summer, min...

17 February 2021 2,777 5 View

There is any numerical criterion for identifying neighbours for Voronoi /Gabriel graphs?

If there is a set of n points in a plan (with known x, y coordinates), can I use a numerical criterion to establish if two points are neighbours, given the definition of a neighbour for Voronoi...

17 February 2021 6,914 4 View

Can anyone name this graph type?

I've attached a recreation of this graph type that I need to make for study reports. The clients have sent them to us in the past, but I am trying to make the reporting process more streamlined,...

15 February 2021 9,795 3 View