How will I calculate the energy balance of a parabolic trough collector?

Not all the solar energy that fall on the parabolic trough collector is been utilized. Some are being scattered while others are absorbed.

09 September 2019 6,520 9 View

I want to construct a solar adsorption refrigerator using parabolic trough. How can I assemble my adsorption bed in the collector?

To enable me have high heat generated in the adsorption bed I decided to use parabolic trough solar collector for my adsorption solar refrigerator.

12 March 2019 4,614 4 View

Anyone knows who makes these piles of small stones?

I am attaching a couple of photos of small stone piles - the piles have a diameter of up to 10 cm, and can be up to 4 cm high (but sometimes they are quite flat). The small stones are about 2-5 mm...

16 May 2017 4,167 15 View

Does anyone know the effect of one broken electrode in a pulsed field gel rig?

14 August 2015 4,841 5 View

Are there any commercial companies that measure telomere length using either qPCR or TRF?

I am stuck trying to measure telomeres using TRF and running out of time. Are there any commercial companies I can go to? How much would that cost?

09 December 2013 869 2 View

Does anyone have an idea on how to stabilise a vertisol for building an all-weather road?

From a tarmac mainroad, a stretch of about 300 metres leading to a home is a vertisol. The area tends to be wet for most part of the year. Any previous attempts to murram it has always failed...

18 December 2012 7,065 1 View

Harnessing the available solar energy in my place for domestic use.

I am in a region where there is high solar radiation and I wish I could design and construct something that will harvest and use the energy for domestic use and will also serve as my thesis work.

01 January 1970 4,478 9 View

Solar adsorption refrigeration.

Research has shown that there is wide scope for further development to improve the thermal performance of adsorption cooling systems including development of new adsorbent materials,...

01 January 1970 9,956 18 View

How COVID-19 has affected mental health?

The pandemic has led to depression and anxiety and its negative effects shouldn't be ignored. However, it has also led some people to become more resilient! What do you think? Thank you.

21 February 2021 4,733 19 View

Can medicinal plants really play an inherent rule in the COVID-19 tackle?

Numerous scientific reports cited plant extracts with potential antiviral activity and even anti-COVID-19? Why these findings are neglected? I remember very well the warning released by the WHO to...

17 February 2021 2,141 9 View

How can I interpret a ratio variable?

Dear colleagues, I am running a regression in which I have the following regression FoodExp = 67.04 DepRatio +.....e My interest is in the interpretation of the coefficient on the dependency...

16 February 2021 2,058 2 View

Patients with chronic kidney disease could get COVID-19 vaccine?

04 February 2021 278 4 View

Can anyone help to convert ODK XLS into XML?

We want to conduct a verbal autopsy using WHO adult VA updated tools in ODK. The current version of WHO adult verbal autopsy tools is v1.5.3. I have successfully converted VA ODK-XLS v1.4 into XML...

03 February 2021 844 2 View

Can any tell me or suggest any research article or review about the concentration of peptide dissolve in system water and given to Adult Zebrafish?

Hello, everyone! I have chemically synthesized antioxidant peptide isolated from the plant. I have to validate its bioactivities in Adult zebrafish. I have to administer this peptide to zebra...

01 February 2021 5,809 3 View

Sample Size for Quasi-Experimental Quants using one-tailed t-test?

Hi, sorry I'm stumped. I'm going to do a study on the leadership styles (using the MLQ Form 5X) of minority women administrators in medical schools. How will I calculate the sample size? Thank...

30 January 2021 2,865 4 View

Is Juniper Publisher ( Journal of Gynecology and Women's Health) a good journal to publish my paper?

Dear colleagues, Do you have any knowledge about Juniper Publishers? Have any of you published in the Journal of Gynecology and Women's Health ( ISSN: 2474-7602, Impact Factor: 0.621 (2017-18))? I...

21 January 2021 9,362 4 View

How the WHO reacted with covid -19in 2021?

Who is now working very hard with return of America to its active membershipnow WHO is concentrating on vaccinations,here are some activities, provides summary tables of COVID-19 vaccine...

20 January 2021 9,593 8 View

How has Artificial Intelligence impacted Healthcare?

The evolution of Artificial Intelligence is influencing healthcare. With the production of applications such as AI-based biomedical applications, and medical AI systems, etc. Without a doubt, AI...

20 January 2021 3,971 11 View