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

What could be the possible method of organic management of Locust in Indo-Gangetic plain zones of India (Asia)?

Most of the Farmers/Government authority are using chemical insecticides for management of Locusts but due to highly use of the chemical insecticides we are facing the problems like environmental...

30 June 2020 9,482 1 View

Can neem seed kernel powder be used to control Indian locust outbreak in India ? and How?

Hello everyone, Please suggest to us relevant organic treatment for the management of locust for village level farmers in India. Thanking You All

01 June 2020 3,799 1 View

Is there any way to predict locusts movement?

recently, We witnessed Locusts attack in India . Farmers are suffering a lot due to this attack. So is there any way to simulate or predict the journey of Locusts. please let me know!

26 May 2020 7,980 3 View

What are the methods that can be used to control desert locusts that have invaded Kenya?

Currently Kenya has been invaded by large swam of desert locusts that are destroying both food and cash crops and pasture for livestock. Please may you explain strategies that can be under taken...

30 January 2020 5,879 1 View

How can I use neural network to train my data and get best 6 output from the testing dataset?

Hello everyone. I have a trainer dataset which has the average run, strike rate , runs scored and other characteristics of some player. I want to train my data in such a way so that from my tester...

03 December 2019 9,177 1 View

What insect species are most valuable to raised for human consumption?

I am familiar with a few species such as: grasshoppers, caterpillar and termites from central Africa and these are resources becoming available during a certain season of the year. How about...

01 October 2019 2,001 4 View

What can i do to remove the LBG (locust bean gum, conponent with high viscosity) from RP-C18 column?

I am desperate. My column blocked with sample which had LBG. What can i do to remove the LBG (locust bean gum, component with high viscosity) from RP-C18 column?

06 July 2019 9,436 4 View

Which regression should be used when both dependent and independent variables are nominal (>2 classes)? Is it a sin to treat them as dummy variables?

The aim is to find who will win the cricket World Cup'19 based on ODI match results from last 10 years. I have attached a figure of how the data looks now. All the variables are nominal and have...

04 May 2019 6,208 5 View

What is the cause of the outbreak of the desert locust (Schistocerca gregaria)?

Do you think climate change is affecting the outbreak of the desert locust (Schistocerca gregaria)? What is the best way to control this pest?

01 February 2019 2,066 5 View

Optimisation software comparison?

Hi there, I am currently trying to do a structural optimisation process and found out three different software. 1. Isight 2. Grasshopper 3. HyperStudy Before starting the optimisation...

09 October 2018 425 4 View