Arindam Roy

9 Questions 16 Answers 0 Followers

Questions related from Arindam Roy

Can PCA or PMF can be done in living sample clustering?

I have a date-wise sampling for concentration of various bacteria in a indoor site. Can I use PCA (principal component analysis) or PMF (Positive Matrix Factorization) to club them into some...

04 April 2018 9,845 3 View

Precipitation Scavenging of coarse mode particle.

I am looking for case studies/ research article about precipitation scavenging of coarse mode aerosol (PM2.5-10) and effect of rain intensity on coarse mode aerosol scavenging.

08 August 2017 2,962 4 View

Log normal distribution with Geometric mean?

I am using R-studio. I want to generate some random number with a parameter of geometric mean value 5.1 and geomatric standard deviation of 1.2. What exjact code i should use to do that? I am...

07 July 2017 2,181 2 View

How to take average of data of last 30 cells corresponds to time in MS excel/mcro?

I have datasheet consist of four column. Time(in sec), time(hour), value and date (see attached file). in each hour there are 240-260 data point. i want to average only the last 30 cell for that...

06 June 2016 7,315 6 View

Can i perform Atomic absorption spectroscopy after solublized the filter paper in water?

I have a filter paper (that sampled air). I need to do both soluble ion analysis(by ion chromatography) and analysis for metal (by AAS) from the single paper. How can i do that? I can not cut the...

04 April 2016 7,051 9 View

Hi, is there any article about the future of the topper of school leaving examination? did they do exceptionally well?

So i was pretty curious about the topper of school leaving examination. is there any article about there future? did they perform better than average students?

06 June 2015 2,723 0 View

Can we get the CCN number/ CN number/ supersaturation level of a particular area from satellite data?

Satellite provide of various of information. Is there any satellite that actually provide me the CCN number/ CN number/ supersaturation level of a given area?

06 June 2014 9,635 4 View

Do you know of any company or institute that makes cloud-water collector and fog water collector?

Cloudwater collectors and fog water collector.

06 June 2014 9,333 8 View

How do I select the supersaturation level in a cloud condensation nuclei (CCN) counter?

There are several supersaturation levels starting from .2 up to 2% in a CCN counter. Which supersaturation level should I choose during an experiment? Is there any review or paper regarding this...

05 May 2014 8,361 5 View