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

Why the results when using wall thickness and when using shell conduction are different in ansys fluent?

Actually, I am running cfd simulation for a heat exchanger which has two fluids one hot and other one is cold fluid. there is a solid domain between them, which I removed and instead I have used...

01 March 2021 9,537 2 View

How much pressure we can reduce at the outlet to avoid Reverse Flow?

I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...

01 March 2021 6,985 3 View

How to calculate the annealing temperature of a primer pair?

I have to amplify a gene and my primers just reached. The Tm for Forward primer is 64.2, and that of reverse primer is 65.5. Can some one suggest how to get the best annealing temperature? Thanks...

01 March 2021 360 7 View

What is recommended for solid domain in ANSYS FLUENT?

Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?

01 March 2021 9,785 3 View

Can Virtual Servers (remote dekstop manager) run heavy ANSYS Fluent CFD simulation ?

I have a virtual machine. My host Pc specs are not that good thats why i went for virtual servers. so basically my host pc has 8gb of ram with nvidia quadro k2200 4Gb DDR5 GPU ,processor intel...

01 March 2021 8,415 1 View

The reason that the culture of white fungi Contamination with green mold(Trichoderma), the culture autoclave at121 for 15 min. What is it?

Is the period to autoclave not enough? The inoculation in a hood and flame and UV and alcohol.

27 February 2021 9,356 3 View

How to include original NMR data in a manuscript?

hello. i am junior researcher. I received a comment from a reviewer that he could not find NMR data in my submitted paper. I had included the NMR graph with explanation and formula to calculate...

27 February 2021 734 4 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

Is it possible to get multiple matched compounds to same peak in LC-MS analysis?

Dear all research delegates, I am analyzing LC-MS data in comparison for control and treated condition. The data was generated by HPLC apparatus (Agilent 1200 series), LTQ ORBITRAP XL...

01 February 2019 663 8 View

How to detect un-targeted compounds in MS data using XCMS in R?

I am working on un targeted metabolomics in plant sciences field, what i have in my lab is HPLC-QTOF MS (brukers) i can run MRM mode for fragmented ion detection. what i want to know is how can i...

09 January 2019 9,583 1 View

What is the meaning of each parameter of XCMS online?

Hello, I'm trying to process my data with XCMS online but I'm having a hard time understanding the parameters itself. I've selected HPLC Single Quad, negative polarity. In the tab "Feature...

31 December 2017 7,098 0 View

Does xcms-online performs normalisation ?

01 February 2017 6,607 0 View

LC/MS Preprocessing and Analysis with xcms, why always appears error?

03 April 2016 1,376 1 View

Why this R error occured when processing LC-MS/MS data ?

01 February 2016 9,813 0 View

Any suggestions on processing ESI MicroTOF data with XCMS - xcmsSet() function?

Hello, Does anyone know if there are a problem to use a XCMS centwave algorthim in a high resolution data (UPLC- ESI-MicroTOF) generated in profile mode? Because the QTOF (Bruker) data looks like...

03 April 2015 683 2 View

Anybody have an idea about XCMS based analysis of LCMS/MS data using R programming language?

I am performing LCMS/MS analysis of rat liver tissue. Output files are in .mzxml format. I am trying to analyze these files in XCMS (offline software) using R programming language but I am not...

10 November 2014 1,155 3 View

Which parameter are suitable for my analysis? Paired, unpaired, parametric tests or noparametric tests?

XCMS will be used for comparison of E. coli metabolites and Salmonella metabolites. The method of analysis is LCMS analysis of overnight cultured media. First dataset is replicate of E. coli...

06 July 2014 2,132 1 View

What exactly does a feature with the same name suffixed by _1 or _2 mean in an online XCMS output file ? e.g. M77T16_1 and M77T16_2?

M and T in a feature represents mz and retention time. However should features with same mz and retention time suffixed by 1 and 2 be treated as one or different?

04 May 2014 5,510 1 View