How I can convert a simulation application to a task graph?

I am working on graph partitioning for scientific simulation load balancing. I used Chris Walshaw's archive partition dataset. but when I would like to work on a real simulation case, I cannot...

10 August 2020 8,149 1 View

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 the best way to keep an anaerobic chamber anoxic in the absence of hydrogen?

I'm a graduate student who works with an anaerobe, so I often work in an anaerobic chamber. I've been working on an assay that involves the steady-state of the quinone/ quinol pool. Anoxic...

03 March 2021 2,971 1 View

Good sites to recruit survey participants on a grad school student budget?

Any good recommendations for participant recruitment for online surveys on a grad school student budget?

02 March 2021 4,293 4 View

Is there a recitation score bank system for fair evaluation and assessment of student recitation?

In actual and virtual class, even if there is rubric for recitation, students may still fail to receive fair grades or scores. Others are active in recitation and others are not or others may fail...

26 February 2021 8,387 3 View

Do you think there is cognitive oversaturation in the current pandemic? What impact can this have? And other manifestations?

Dear colleagues, Do you think there is cognitive oversaturation in the current pandemic? What impact can this have? And other manifestations? The question is mainly aimed at adolescents (pupils,...

23 February 2021 7,796 4 View

Must a control group to be in the same semester that a experimental group for a study in education?

Hi everyone, I'm researching about mobile learning in higher education. Due to the small number of the students in the semesters, I cannot have a experimental and control group together. I'm...

22 February 2021 3,653 11 View

Latent profile analysis based on two variables/sources of data?

Hello, for my master project, I would like to conduct a latent profile analysis about self-regulated learning skills. I would like to take two different measures into account when creating the...

21 February 2021 2,326 3 View

Where can I find raw quantitative datasets on ecosystem services?

I'm an Undergraduate student on the search for a research topic which has to involve any ecosystem service(s) and a response to environmental change. I'm looking for raw quantitative data sets (I...

19 February 2021 5,911 2 View

Person-Codes for questionnaires in longitudinal studies: Is there an easy solution for better matching-rates?

Hi, I have a problem regarding matching of longitudinal data in my field of research (university students). We have a Person-Code for matching data measured in different time points, but 30%+ of...

17 February 2021 3,075 4 View

Level 1 pre-post multilevel regression: Panel data or ANOVA approach?

Dear colleagues, I am currently teaching myself in multilevel analysis using educational data. I found few to zero literature on basic analysis methods. In my context we frequently use level-1...

17 February 2021 9,378 5 View

What are the available keys and descriptions for the identification of lice and fleas in domesticated animals?

I am an undergraduate student at the University of Peradeniya Sri Lanka, currently working on ecto-parasites in domesticated animals. I found difficulties in the identification due to a lack of a...

15 February 2021 277 1 View