Can any one help about modeling and analysis: "Effect of vibration on Heat transfer of water in pipe" in COMSOL Physics?

We have a one meter long copper pipe through which water passes at a certain speed. The outer wall of the tube is covered by the heater where all the energy of the heater is transferred to the...

02 January 2021 5,965 3 View

Is there any suggestion for designing the result section of a population-based study about pattern of dug use when the prevalence of drug use is low?

I'm working on a database of a population-based cohort data on the subject of drug use prevalence and its pattern (e.g., ATC drug classification). The ISSUE that I noticed during the analysis is...

14 November 2020 1,186 3 View

Next generation sequencing technique for hereditary fructose intolerance ?

I have about 30 blood samples from people with inherited fructose intolerance who need to use the next generation sequencing technique. Is there a research center or person doing this test to work...

02 November 2020 3,463 3 View

What are the exact commands on STATA 16 to conduct a meta-analysis of prevalence data?

I want to do meta-analysis to estimate the pooled prevalence of diseases for a certain population. Some studies have reported their findings as a % with CI. However the majority have reported...

14 August 2020 3,615 7 View

How to obtain the saturation point of a soil layer from the volumetric soil water content data?

Hi Would you please let me know if the following is accurate as an answer to the question: Suppose we have sensors which measure the volumetric soil water content of a soil layer for a long...

01 August 2020 8,337 3 View

Are there any publicly accessible datasets for observed/measured snowfall rate?

Hi Do you any publicly accessible ground observations which have both solid and liquid precipitation rate? Preferably for many sites in different regions. Assuming that ground measured data...

01 August 2020 9,485 3 View

Next generation sequencing for free services?

what companies can provide Next generation sequencing services for free or at the lowest cost?

25 July 2020 6,514 3 View

Stable passivation Layer (SEI layer)?

I have difficulty figuring out what exactly is the SEI layer in the battery field. I am trying to find out how it is formed and its function and influence on battery. I appreciate having your...

08 April 2020 5,220 3 View

Can you recommend me a journal for diabetes research in Netherland or Europe with impact factor between 2-3 ?

Hi. Please introduce me a magazine(s) that is free to print with impact factor 2-3 in the field of diabetes. thanks a lot.

20 March 2020 7,373 9 View

SSMIS wind data?

Does anyone know where I can bulk download near real time (NRT) SSMIS wind data? I know several data providers, such as CLASS NOAA, OSPO NOAA, and Remote Sensing Systems, but these are not NRT or...

26 September 2019 5,729 2 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

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 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

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View