How can I check how different treatments maintain a certain pattern?

Hi there, I have a network where I have used different aggregation methods for its nodes. Now I want to see if these aggregation methods changed their ranking of importance and their importance...

28 January 2021 5,513 3 View

Why is Kendall's Tau always so high?

Hi there, I am trying to estimate the agreement of judges on the ranking of certain individuals - in particular, the agreement of all other judges with the first judge. I was thinking to use...

28 January 2021 3,121 4 View

Standard addition calibration without blank matrix available?

I have a problem of analytical chemistry. We are working on a spectroscopy technique (FTIR) for the quantification of a mineral phase in complex matrices. We intended to use chemometric techniques...

12 January 2021 7,739 1 View

How to obtain miRNA expression data in specific tissue with mean and coefficient of variation?

Hello everyone, I'm looking for miRNA expression level data (as measured by RNA-seq) in a specific tissue, but all papers I have consulted (and their relative supplemental material) do not report...

14 November 2020 9,762 2 View

Can CTAB stored in a refrigerator still be used to create extraction buffers?

Hello, Our lab is working on DNA extraction. We are creating new solutions for a new protocol. Unfortunately when our main CTAB (hexadecyltrimethylammonium bromide) stock was stored from last...

13 February 2020 8,652 1 View

Could anyone teach me how to use the "SR 7500 DC" SPR?

I should carry out a set of SPR experiments. In my lab I have the Reichert model "SR7500DC". I would need someone who could teach me how use this instrument and, above all, how to do the data...

29 December 2019 3,880 2 View

Is there an easy way to unify sequences of COI-5P from the two database BOLB and GenBank (NCBI)?

HI, I would like to know if there is an easy way to unify sequences downloaded from BOLD and from NCBI in a single dataset avoiding repetitions. Thanks, Emanuele

27 March 2019 6,622 6 View

Power output of a micro Kaplan turbine that reduces linearly during 3 days from 16 kW to 13.65 kW with constant hydraulic and blades configurations?

There is a micro Kaplan hydro plant: Flow rate: 0.58 mc/s Head: 4.85 m RPM: 625 Max electrical power: 16.5 kW Generator+gearbox efficiency: 0.89 Maximum Turbine efficiency: 0.67 Draft tube:...

16 October 2018 7,111 3 View

Would you like to suggest me online public data where orthopaedic/musculoskeletal research is applicable?

I am trying to start a research basing on free published online dataset. My field of research is Orthopaedics. Thank you for any help!

08 August 2018 5,475 6 View

Does anyone know a good software to compile borehole log?

I need a software to write and compile borehole log for geological and geotechnical purposes. Thanks

19 February 2018 8,961 8 View

How UAV or drone can be beneficial to better estimate crop yield?

As we know, crop yield estimation has been done traditionally with farmer's expert knowledge, deductive sampling in representative areas, and remote sensing with satellite imagery. Farmer's Expert...

01 March 2021 3,468 3 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

Analysis of CRD two factor using R studio ?

Hello everyone. I have conducted the research on post harvest longevity of tomato crop using plastic packaging and different doses of chemicals as two different factors. The design of experiment I...

28 February 2021 8,189 3 View

Necessary tube lenght to cool Natural gas in a dry-ice cooling bath?

I have a tank which contains natural gas at 250 Bar and 293 Kelvin. I want to cool the gas in a dry-ice cooling bath to about 195 Kelvin. The gas will flow in a copper-tube through the bath with a...

27 February 2021 8,128 1 View

Exit velocity of natural gas from pressurized tank?

Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...

26 February 2021 6,253 3 View

Gas sensor response and recovery time independant of flow rate and chamber volume?

I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...

26 February 2021 1,511 3 View

Why do a weight decrease for thermal degradation in nitrogen gas condition?

Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...

26 February 2021 1,100 5 View

Where i will get the Desmodium and Napier grass seeds?

26 February 2021 975 4 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

Are there any open-source datasets containing physiological information about exercises to be used for an OR-model?

I have just recently started a new "weekend project" in addition to my master's studies and I am looking for a data-set. I would like to use some Operations Research to design an optimal gym...

22 February 2021 8,023 1 View