Any ideas to improve (text) Search engine based on User feedback on search results?

Hi Everyone, I have a documents search engine, and the users have ability to Rate the search result for any query they make. For the first versions of Search engine, I am using Universal...

26 October 2020 7,557 10 View

In IR systems, what is the preferred measure if we have incomplete relevance data? MAP, nDCG and bpref_R or any others?

I want to setup a search engine performance system to automatic estimation. Say we have a dataset with more than 30,000 documents, its hard to find relevance data for some queries. which measure...

27 August 2020 3,152 6 View

How to calculate Qmax value from Langmuir Equation?

I am doing dye removal experiment and need to calculate Qmax value from Langmuir Equation, Kindly help me with example .

08 June 2020 8,909 1 View

How can I specify the viscosity of the input flow in simulation on Non-Newtonian fluid in ANSYS fluent ?

I am new to ANSYS fluent. I am trying to perform simulation of Non-Newtonian fluid in ANSYS fluent. ( Shear rate dependent) I was able to tune the consistency index( k), power-law index ( n), and...

04 May 2020 3,484 2 View

Does type-II junction possible for Ohmic metal- semiconductor junction?

My device shows linear current-voltage characteristics. It also shows highly stable photovoltaic behaviour. Please give me appropriate reason and reference (if possible).

22 March 2020 6,226 5 View

Metabolite set enrichment overview?

Hi, I have input data in Metaboanalyst in MS peaks to pathway module. I was able to find the graph as attached (input figure 1). I also generated the report. But I am not sure how would I get a...

14 January 2020 2,631 2 View

How to do endosymbiont analysis in insects?

I have sequences of 16s bacterial specific polymerase chain reaction from bollworm so how to do analysis what type of study can be performed please explain

19 November 2019 8,823 4 View

What should be the dispersion liquid for determining the zeta potential of graphite oxide and graphene oxide ?

I have used refractive index of 1.96. And distilled water as the dispersion liquid. And a zeta dip cell is used. Each time the value of zeta potential is showing zero irrespective of pH. Also,...

13 March 2019 6,178 5 View

Crispr ko cell line?

Hi, I generated a crispr ko cell line. The protein was more than 90% knocked out. But, now after several months od thawing and repassaging,the protein seems to comeback. I plan to do a grloth...

11 January 2019 3,904 9 View

What is the best way to detect and eliminate mycoplasma contamination in cell culture ?

I am doing some experiments on virus infectivity. My positive control cells did not support strong virus replication. The cells in culture look very unhealthy after 2 days and I always make sure...

10 January 2019 3,175 3 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View