What is class 2, class II and LPS? What is the difference between class I and class II?

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06 July 2015 1,458 3 View

What is different between information (EN60950-1) and medical (EN60601-1) safety standard?

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06 July 2015 435 1 View

What is SELV? Are all MW SPSs compliant with SELV?

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06 July 2015 2,153 1 View

How do we choose a power supply to charge a battery?

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06 July 2015 954 1 View

How will I get Dolby Atmos movies?

For the public to answer questions, some students...

06 July 2015 1,371 1 View

What is the fan control mechanism for SPS with cooling fan?

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06 July 2015 5,827 0 View

How is Dolby Atmos different than typical channel-based home theater systems?

For the public to answer questions, some students...

06 July 2015 7,863 1 View

If Dolby Atmos allows me to add more speakers, why do I see A/V receivers with just 11 channels?

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06 July 2015 6,069 0 View

Notes on choosing a switching power supply?

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06 July 2015 9,741 1 View

What is power good and power fail signals and how can use it?

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06 July 2015 904 0 View

Do you know of an informal caregiver of a person who has recently received a bone marrow transplant?

We are conducting a pilot study of an intervention for informal caregivers of persons who have recently received a bone marrow transplant in the US. If you know of anyone who might be interested,...

13 February 2021 9,174 1 View

Does Location Map of Informal Settlements in South Africa exist?

I urgently need a map that shows the point locations of informal settlements in South Africa. I am currently working on a study that seeks to relate protests location to the location of informal...

02 February 2021 4,113 7 View

Are there existing studies in economic sociology that have applied Kalyan Sanyal's theoretical framework as a methodological basis?

To be precise, I am looking for studies on informal labour that have taken on board Sanyal's category of the Need Economy and his 'Politics of Exclusion' in studying the political-economy of...

26 January 2021 4,219 3 View

Why sometimes current- voltage plot in chemiresistors/ FET does not pass through the origin?

I am trying to measure resistance from I-V curve from a chemiresistor/ FET sensor with a keithly sourcemeter. The substrate is soaked/ wet with protein and phosphate buffer only. But the I-V line...

24 January 2021 8,009 3 View

Analysis on piezoelectric material in ansys workbench?

Hi, I need to do analysis on cantilever beam of piezoelectric material. Apply force or excitation on free end and want to find out voltage. I want to do it in ansys work bench. Please let me...

21 January 2021 2,134 3 View

Is recycling a challenge to the governments of developing countries?

Is recycling a challenge to the governments of developing countries? A strong will for more serious aggressively organized recycling initiatives, embedded with strict regulations supported through...

12 January 2021 510 13 View

Does these studies, and research based recommendations bring any positive change.?

A strong will for more serious aggressively organized recycling, embedded with strict regulations supported through public awareness projects/programs to be instituted both by formal and informal...

03 January 2021 3,202 2 View

How to convert mV output into MPa?

I am working on acoustic characterization of microbubbles using two transducers arranged at 90 degrees. During calibration, I am receiving response in dBm or mV. How I can know the PNP of my...

14 December 2020 1,814 5 View

Poling a ferroelectric material without damaging the surface ?

Hello, I would like to pole some BaTiO3 (001) samples (0.5 mm thick, single-crystals). However, the surface needs to be clean for subsequent treatments and possible ARPES measurements. Thus, I...

04 November 2020 9,592 3 View

How to collect data for Regional Research Study?

08 October 2020 8,003 4 View