Data Normality test in SPSS and Mardia's web of power to check skewness and kurtosis online test?

When we check our data set for univariate (e.g., SPSS) and Multivariate Skewness and Kurtosis as measures of non-normality as defined by Mardia (via Mardia' s web of Power) in order to...

12 January 2021 8,257 5 View

How do we decide BSA percentage in our buffer solution?

Hi all, I am trying to test my polymer stability in biological medium. I know how to make 1% /5% etc of BSA in buffer but I am not sure how do we actually decide this percentage volume. Is there...

05 January 2021 649 2 View

Prevent contamination of solution in oven?

Hi all, I am trying to test stability of my electrode immersed in solution. I intent to keep them in oven for 3 weeks as to represent accelerate ageing. However, my worry is that the solution...

28 October 2020 8,351 2 View

How can I assess purity via HRMS? What is the acceptable deviation from the calculated mass?

28 October 2020 813 3 View

Original DECLUE python/java/c++ implementation?

Anybody working on DENCLUE/improvements? I need to know about any "working" implementation of simple original DENCLUE algorithm.

25 October 2020 3,471 2 View

How I can find the quantum efffcincy from the measured and calculated decay time when the measured decay time is greater than the calcualted decay ?

I am working on the luminescence properties of Nd3+ ions doped phosphate glasses for which I have to study the decay time. I measured the decay time experimentally and also calculated the decay...

16 October 2020 951 7 View

Can Aspen Plus be linked with Matlab or Python?

I would like to know if Aspen Plus can be linked with MATLAB or Python?

23 September 2020 1,794 2 View

Is there an implementation of original DENCLUE available?

Does anyone know of a WORKING implementation of the original DENCLUE density based clustering algorithm, and NOT its extensions? I have explored a few from github but they ain't working.Moreover,...

01 September 2020 8,917 1 View

Will quality of graduates pursuing Medicine, Dentistry and engineering education be affected due to the current Online mode of Education?

Dear Scholars, You all are well aware that COVID-19 has disrupted every aspect of our lives including K12 and higher education sectors. Keeping in view the WHO recommendations, nations are...

21 May 2020 9,829 28 View

Why Corona virus COVID19 infection has proven so Lethal in 2020 against its discovery in 1960?

The literature reveals that the Corona Virus was first characterized during the decade of 1960. Since its characterization, the virus was held responsible for causing upper respiratory tract...

14 April 2020 5,937 4 View

Which transition metal salt precursor is best for doping? Why?

I would like to synthesize a transition metal doped TiO2 via solgel method. Hence, I would like to know which metal salt precursor to choose among Chloride, Nitrate, and Sulphate. A clear...

27 February 2021 4,285 3 View

What reaction will occur when adding hexamine into ammonium nitrate in an acidic medium?

Hello, I am investigating properties of water in oil emulsion explosives. And adding hexamine (hexamethylenetetramine) into one of the phases that are used to make the emulsion should increase the...

21 February 2021 8,680 1 View

How to get/count refractive index in gasses?

20 February 2021 8,202 6 View

Are there alternatives to the Devarda alloy when estimating nitrogen?

Are there alternatives to the Devarda alloy when estimating nitrogen? devarda alloy is reducing the nitrate to ammonium

15 February 2021 8,838 3 View

Want to ask about equivalence ratio?

09 February 2021 5,273 2 View

References for relative humidity created by salt solutions at different temperatures?

I understand that the ability of standard salt solutions commonly used to produce a certain relative humidity (RH) in a closed space changes somewhat with the temperature. Where do I find data...

04 February 2021 7,370 4 View

Why I do not get blue color in nitrate test of water repeatedly?

Previously, I have tried testing of nitrate in water. Sometimes I got intense blue color. However this procedure is not repeatable. It is highlighted that when I prepared diphenylamine in sulfuric...

26 January 2021 4,803 1 View

How can I prepare 300mg/L concentration of lead(II) nitrate ( Mol. Wt reffered is 331.21) incoorporated Luria-Bertani (LB) agar ?

I need to check the Heavy metal (lead) consumption assay using microbes at varying concentration in same media. ( 200mg/L to 2000mg/L).kindly help me to clear it.

19 January 2021 1,946 9 View

Which LCIA method is most suitable for assessing the impacts of nitrate leaching in groundwater (eutrophication )?

The eutrophication of groundwater by nitrate leaching is major environmental problem in Germany, especially in areas with intensive agriculture and high N-fertilizer inputs. In addition there are...

16 January 2021 5,182 7 View

In Michaelis-Menten Kinetics, why K(subscript)On have units (mol^-1)(time^-1)?

where K(subscript)On is the rate of Enzyme (E) + Substrate (S) going to Enzyme-Substrate complex (ES). I think I understand why K(subscript)Off and K(subscript)catalysis have units of time^-1....

11 January 2021 649 8 View