How to define the chloride penetration in concrete with respect to the wind and the distance from the coast ?

In order to estimate the degradation rate of reinforced concrete structures in a marine area, I am looking for a model to estimate the dispersion of chloride ions in the atmosphere by taking into...

08 September 2020 8,051 5 View

Can any one explain the difference between vibration modes and assignments in infrared analyses?

When I read this short paragraph, ''- Vibration modes was in Greek letters for stretching and bending vibrations etc; Use amide I, II and III identifications. - Assignments like...

29 August 2020 3,005 5 View

What are the equation and conversion factor to estimate protein content from mushroom?

Total nitrogen was calculated with Kjeldahl method, I found different equations and factors ''Total nitrogen content of shrimp waste was determined using the Kjeldahl method. Separately, pure...

17 August 2020 4,572 9 View

No title

I have received an acceptance for publication my article in the "journal of medical -clinical research &reviews" I am not sure if this is a predatory journal and if no what the impact factor...

27 May 2019 5,761 15 View

Using the Pfaffl method: Is it possible that the ratio of the calibrator does not equal 1?

Hi all, I have a question regarding calculations using the Pfaffl method. I have 3 groups per experiment: 1 control group (calibrator) and 2 treatment groups with 6 to 7 biological repeats per...

19 February 2021 8,351 2 View

Convert unit from OR per SD to 1mm for meta analysis?

I would like to ask if someone could help me to convert unit from OR per SD to 1mm for meta analysis. for example The age-adjusted OR per SD cIMT for MMSE

16 February 2021 6,476 2 View

Is the use of "multivariate " or "multivariable" was correct in multiple responses study ?

In statistics most of the time, we use these two-term exchangeable, but in my opinion, there is a difference between them. Please suggest your opinion

04 February 2021 7,407 7 View

For continuous variables, in which threshold value we should perform rating up the quality of evidence in Grade analysis?

If the mean difference was used to measure the effect estimates in comparisons, in which threshold value we should perform rating up the quality of evidence in Grade analysis. In terms of Risk...

26 January 2021 5,513 3 View

How to detect spurious correlation in a statistical dataset with binary variables?

17 January 2021 7,892 25 View

In meta-analysis of binary outcomes, what should we do when the occurrence of outcome is zero in both groups?

In conducting meta-analysis of binary outcomes (in RCTs), in case the risk ratio has not been reported, what should we do with the studies that the number of outcomes occurrence is zero in both...

09 January 2021 2,802 5 View

How to calculate age-standardized prevalence ratio with 95%CI?

I need to calculate the prevalence ratios to show the trend of prevalence of a drug group used by pregnant women over the years (2001-2018). I would like to use the year 2001 with age distribution...

05 January 2021 7,986 5 View

How can the moment tensor inversion results can present good waveform fit (synthetic and observed waveform) from generalized Cut and Paste scheme?

Depending upon the distance of the seismic station from the epicentre, the quality of waveform data and the improvisation of the synthetic waveform on it is often a question. If the Pnl waveform...

31 December 2020 6,602 2 View

One-Way or Two-Way ANOVA?

Dear, In the preparations for publishing a manuscript, we have a big argument about the proper analysis of variance to compare multiple groups for a certain staining quantification. We have two...

27 December 2020 7,916 3 View

Puncturing Turbo codes using comm.TurboEncoder?

I am working on a Turbo encoder decoder system for DVB. Wanted to puncture turbo code in encoder. I am using comm.TurboEncoder object/function in Matlab. Is there an option or way to get punctured...

22 December 2020 5,069 2 View