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

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

What is the standard protocol in doing replicates for C. elegans lifespan assay on solid media (thru worm picking)?

I would like to know what is the standard protocol in the number of worms per plate and number of plates per concentration of extract X in a lifespan assay done in solid media and not automated...

23 February 2021 9,933 1 View

What is the possible cause of MSCs low growing?

Hello Everyone, We are inexperienced in culture of MSCs trying to grow a sample from BM of a mare. It is the second time that after preparation of new medium (DMEM-F12 with high glucose - 10% Hy...

07 February 2021 9,989 7 View

What is better to buy a real-time pcr machine or an endpoint?

Hello everyone, we are acquiring a new molecular biology laboratory with the fundamental objective of identifying species of microalgae and cyanobacteria. Perhaps you could help us decide if it is...

24 January 2021 8,320 4 View

How to improve the yield for the reaction below?

I am trying to increase the yield for the reaction below. I did the column and I saw that the major side-product is the symmetric dimer formed by 4-bromobenzyl bromide. I imagine that NaH is...

20 January 2021 7,874 4 View

Is it possible to calculate the energy stored (kWh) in a EV battery by knowing the cathode discharge potential and specific capacity properties?

For example, if I have the following data for a LiNi0,8Co0,15Al0,05O2 compound used in the cathode: - Specific capacity = 200 mAh/g - Average voltage = 3,7 V I have no information about the...

16 January 2021 3,038 2 View

PCR used to work, now it doesn't, why?

I recently did a PCR with certain primers, and the reaction went well for two gels, but when I repeated the exact same reaction a third time it suddenly didnt work, then I did it a 4th time and it...

12 December 2020 364 5 View

Can you suggest a sub-problem and possible objectives regarding to this thesis/research study?

03 November 2020 8,155 3 View

DNA disappears from gel, whats going on?

Recently I've been doing some PCRs and the primes used to work a month ago, but now that we want to repeat the experiment, they are not working anymore. I have noticed something in my gels, and it...

28 October 2020 4,427 4 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

Can I perform two way ANOVA in case of some missing groups?

I had control cells and performer ELISA analyses group (time 0). I stimulated cells with substance A and B and cultivated for 1, 2 and 3 hours. On each cells I performed ELISA. I have results...

17 February 2021 8,933 4 View

What is the relationship that determines the depth of the mechanical cultivator with the age or size of the weed For crops planted in lines?

the great depth of the cultivator may lead to passage under the roots without killing them and may give negative results to break up the soil below the roots, increasing their activity, especially...

03 February 2021 3,198 7 View

Can I use the Chlorophyll stability index (CSI) to calculate the stress potential of cyanobacteria that are under stress?

I want to calculate the stress potential of cyanobacterial cells that are inoculated with antagonistic bacteria. My results showed that there is a drastic reduction in the chlorophyll content of...

23 January 2021 331 3 View

Why below-ground ecology is still unexplored (majority of it) in our country ?

Below ground ecology or below ground ecological functions and ecosystems roles are very crucial and highly significant for any ecosystem especially for the forest ecosystems. The interaction among...

02 January 2021 6,912 3 View

What is this culture medium for?

Here is the composition of a culture medium named BM medium. It doesn't contain carbon source and nitrogen source, while after cultivation something grow on that. Could anyone explain what...

31 December 2020 8,060 5 View

Does anyone recycle cell culture media and if there is a person what is the procedure and WHY do they do that?

our team researching to cultivated meat, and there is some question related to cell culture media and recycling cell culture media: 1) is cell-cultured media recyclable? 2) has anyone recycled...

27 December 2020 1,467 4 View

Anyone an expert in algae in Victoria, Australia?

I found this (very pretty) algae (see picture) in a bore-fed and suburban catchment run-off fed, human made lake (Newport Lakes) in Newport, Victoria, Australia. I'm a vertebrate zoologist with a...

09 November 2020 7,587 3 View

How to empirically approach Responsible leadership?

05 November 2020 8,021 5 View

How is vertical agriculture progressing in Colombia?

Vertical agriculture offers an innovative solution to reduce the pressure of cultivation on soils. The intensive use of machinery and large areas of land harm biodiversity.

28 October 2020 8,773 3 View