How to design a boost converter for a mppt controller?

I have a doubt on how to select the inductor and capacitor value when I want to implement MPPT controller. This is because we always take a maximum output voltage and current but in this case, we...

28 February 2021 3,637 2 View

How to select from various invitations from Scientific Boards in conferences and proceedings?

How to select from various invitations from Scientific Boards in conferences and proceedings? How to spot the ones with high impact and genuine? Can we spot valuable events?

02 February 2021 8,187 1 View

No title

Hello, I am using Coulomb 3.3. When I try to use the option "Build input from CMT or focal mech. data" I have the next errors: Unrecognized function or variable 'deg2utm'. Error in distance2...

18 January 2021 4,487 4 View

Can R be used for SEO?

13 January 2021 1,920 1 View

Fish gut microbiota extraction and identification protocol?

Hi, I need a protocol to extract and identify microbiota from fish gut. Any suggestions? Thank you. (P.s. Something low tech as I am technologically limited, guess no funds and big high tech...

01 January 2021 808 1 View

Bisphenol A in water - measuring bpa protocol using a uv/vis spectrophotometer?

Hi, I'm interested in a protocol for measuring concentration of BPA in distilled water (no interference) using a uv/vis spectrophotometer . The method found...

09 November 2020 7,012 3 View

How to remove ethanol from a 95% water solution?

How can ethanol be removed from an azeotropic 95% water 5% ethanol solution, without reaching more than 30 C temp?

06 November 2020 8,718 2 View

Bisphenol A solubility in water protocol?

Upon some research I found different protocols of BPA solubility, some state a 5 v/v % ethanol (MOTOYAMA et al ) will catalyze the process of solubility and BPA will stay in solution (being an...

06 November 2020 8,152 8 View

Proceedings Of International Conference Building Services And Energy Efficiency is Scopus indexed?

Proceedings Of International Conference Building Services And Energy Efficiency is Scopus indexed? see link here https://content.sciendo.com/view/title/580364

05 November 2020 4,157 3 View

Probable Identity table of halophilic bacteria?

I need older protocols that predate pcr, on halophilic or halotolerant bacteria. Looking forward to receiving your answers, thank you.

13 October 2020 8,022 5 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View

How to calculate Ligand-active site distance in a ligand-protein complex from MD simulation?

I have run a MD simulation of a ligand-protein complex in GROMACS using CHARMM forcefield. Reviewer has asked me to calculate Ligand-activesite distance and binding free energy of ligand with...

27 February 2021 4,703 1 View

Is there an open source free software for text mining and sentiment analysis?

I am looking for a free software for text mining and sentiment analysis for my research on customer review mining (it involves calculating polarity of attributes,opinion oriented information...

25 February 2021 1,920 6 View

Which are the journals for free paper publication?

A bunch of flower for everybody. I would like to ask about the list of journals which we can publish our paper for free. Thanks in advance. Sincerely Walid

25 February 2021 9,790 3 View

Suggestions for occupational stress surveys?

I am currently writing a masters thesis on reasons for occupational stress in the early childhood classroom, and want to include a short survey assessing participants work-related stress levels. I...

24 February 2021 8,678 2 View

Is it efficient to do liquid biopsy to investigate the gene expressions of the tumor?

To do liquid biopsy and look for specific gene expressions there are so many published papers. Thera are different protocols and procedures used to isolate circulating cell free RNA or mRNA from...

23 February 2021 7,326 5 View

Hello, does any one know a free medical text dataset?

a free multi label clinical text dataset , containing text as entry and several labels as classes. Best regards

22 February 2021 5,988 2 View

Protocol for membrane extraction E. coli?

Hello! I am interested in determining whether a poly-unsaturated fatty acid I have engineered E. coli to produce is being incorporated into the membrane of the cells or if it is simply a free...

21 February 2021 7,447 2 View

Can anyone recommend which is the best free questionnaire software please?

Hello, I am looking to send out links to an online survey. My previous research project used a paid for survey software. I am now looking for something that's free but straight forward to...

19 February 2021 5,641 3 View

How to obtain free lipids starting from concentration over the CMC?

I need to work with free lipids at increasing concentration (50%, 60% of the CMC ect.). I'm now working with POPC and POPG. To reach these concentrations I have to start from concentration over...

17 February 2021 1,676 3 View