How to size battery banks?

I am designing a small grid connected solar PV power-plant. As the battery's capacity is specified in Ah and demand in kWh. What is the best way to size the battery bank? I have battery price in...

28 February 2021 1,638 3 View

Why use both bead beating and enzymes (lysostaphin and lysozyme) for DNA extraction from sputum samples?

Hello, I have read in a few publications that to extract total DNA from sputum samples, both bead beating and enzymes are used to disrupt the cells. Bead beating is supposed to be efficient in...

18 February 2021 3,360 2 View

How to make a site-Selective Electroless Nickel Plating?

I would like to plating Ni/Au on the selected area. Can anyone give me a suggestion? It is a bit like to make golden finger on PCB board. Instead with the PCB board, I use polyimide as my...

28 January 2021 8,330 1 View

How to use PVQ Psychometric Tool?

Hello, I'm doing a research about if psychometric tools can be translated into video games. My main major is video games. So I'm an absolute newbie with psychometric tools. I have chosen PVQ tool...

22 January 2021 5,992 2 View

How to measure the hardness for PLA & PHAs polymers?

Hello, I am a bit confused on whether to follow ASTM D785 (Standard Test Method for Rockwell Hardness of Plastics and Electrical Insulating Materials) or ASTM D2240 (Standard Test Method for...

21 January 2021 7,487 4 View

How to calculate random forest manually?

17 January 2021 301 2 View

Will it be ethically appropriate to demand increased patient responsibility for own health?

The health care system is facing challenges when more individuals are not taking responsibility over their own health care decisions and actions. This is evident in narratives where patient...

16 January 2021 7,760 13 View

Was there any pesticide disasters other than Bhopal and Kasaragood tragedy around the globe?

Pesticides become prime compo in agricultural activities to meet the growing demand of the human population. But indiscriminate usage and mishandling led to two disasters in India such as Bhopal...

11 January 2021 3,790 7 View

Will there be two research designs if using Mixed Methods?

I am having a hard time with my dissertation pre-proposal (super long story, but I have no help). If I use the Mixed Method, will my research design will be both phenomenological and descriptive...

07 January 2021 5,007 3 View

How can a traditional medicine exist if its validated outcome is translated into molecular mechanism for acceptance of modern medicine?

A traditional medicine (e.g. Unani System of Medicine) has its own philosophy of treatment of a disease. Nowadays, there is emerging demand to validate the effectiveness of an intervention (a...

05 January 2021 9,472 5 View