How to determine the mass of an ore material to be added into a laboratory SAG mill?

Please, I have a mill of volume ~10,000cm3 and I want to calculate the mass of rock sample (-10+5mm) that will occupy 25% of the mill volume. I understand that 25% will be equivalent to 2500cm3....

16 August 2020 5,664 3 View

Is life style a factor in child nurturing?

Children learn more by seeing than hearing so just looking to a person prints some images to mimic, and this in a way affects child training.

07 May 2018 1,515 6 View

Why is maternal mortality high in African countries?

The number of pregnant women who pass away during child delivery is at an increase in African countries. Is there any reason for that please?

04 May 2018 7,832 10 View

What is a species-specific gene to target for Proteus vulgaris?

I am designing a PCR to detect the presence of Proteus vulgaris. Unfortunately, all the literature I have come across use either the 16S rRNA gene or the 16S-23S ITS. Does anyone know of a...

27 September 2017 5,658 1 View

How do you replicate an abscess/PUS matrix without using actual human pus/abscess?

I am trying to mimic a wound/pus/abscess matrix to spike in reference pathogens to test a PCR method I have developed. Unfortunately, I don't have access to any sterile pus/abscess/wound samples...

22 January 2017 5,621 2 View

What is the frame format for IEEE 802.11p?

What is the frame format for IEEE 802.11p?Can anyone show me the frame format for IEEE 802.11p or refer me to a documentation please? Thank you.

31 December 2016 8,029 0 View

What Internal Amplification Control (IAC) to use for NGS 16S Metagenomics?

20 July 2016 1,398 3 View

Does anyone know of a database or article that provides the location/loci of 16S hypervariable regions for bacterial species other than E. coli?

01 March 2015 5,066 4 View

What factors control typical product yields from PCR?

I have been running a series of singleplex and multiplex PCR reactions for several weeks now using E. coli genomic DNA. I typically get anywhere between 50ng/uL and 120ng/uL for 50uL and 25uL...

18 September 2014 5,195 4 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

No title

01 March 2021 3,905 5 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

Which group formation theory do you recommend for projects that aim to bring together entrepreneurs for training for regional development?

I would like to have ideas about which theories of group formation are suitable for entrepreneurial training projects, with the aim of creating bonds, building trust, and collaboration for...

28 February 2021 4,223 2 View

What is the most common number of epitopes in an multi-epitope Vaccine?

hi everyone, I'm interested in the field of vaccine design specifically multi-epitope cancer vaccines , I want to know if there is a minimum and maximum number of epitopes we could use in a...

27 February 2021 3,882 3 View

The Shannon's index is inversely proportional to Simpson's index (1-D)?

I'm having a problem with my bloxplot with Shannon's and Simpson's indexs. The value of Shannon for my Community 1 indicating higher diversity (in relation of the Community 2), but have lower...

26 February 2021 3,033 9 View

What are the patterns of human behavior that lead to COVID-19 infections?

Does data from contact tracing help in establishing patterns of behavior and social interactions that lead to infections? There are cases here in the Philippines where patients have no travel...

25 February 2021 9,002 13 View

Standard curve shifting over time. How do I stabilise the ELISA?

24 February 2021 1,365 3 View

What is the optimum time and temperature of blanching and pre-frying potato for frozen fries?

I am helping a local home industry for developing frozen fries from their local farm. I want to know what is the optimum blanching and pre-frying temperature and time for processing. Please also...

23 February 2021 1,616 5 View

What is recommended and opened real-time or nearly real time geospatial data used in flood risk assessment and regional planning on a detailed scale?

I asked recommended real-time or nearly real-time data source for any parameters for flood risk on a microscale analysis for urban area cases in developing countries that had agglomeration urban...

18 February 2021 2,617 2 View