Estimate Beta is .00, yet it's significant?

Hi everyone, I've run an analysis of a latent 3-way interaction in Mplus (Y on XWZ). The estimate for this path is 0.000. S.E. is 0.000. Est./S.E. is 2.034. Two tailed p-value is 0.042. So,...

08 December 2020 2,132 4 View

What is the double layer capacitance of a 1 sq-cm smooth gold electrode in 0.1N (0.05M) Sulfuric Acid?

Is there an empirical or theoretical standard value for this (at room temperature) and for different electrolyte concentrations? Is there a resource available that provides a chart of values for...

29 November 2020 6,937 2 View

How does the concentration of atmospheric oxygen near ground level vary with time?

Hello, I am interested in how the concentration of O2 varies over time close to ground level. I have been informed that the concentration can drop when an inversion layer is present in the local...

19 November 2020 2,328 3 View

How does one calculate the best volume of nickel gel to use in a protein purification?

We know the capacity of the gel and the total amount of protein in the bacterial lysate from a Bradford assay. What we do not know is what fraction of the total protein is the his-tagged protein...

15 November 2020 4,664 2 View

Final temperature of water leaving an ice bath through copper tubing?

I have water flowing at 4 GPM at 2.5 feet per second through 50ft of 0.375 in. outer diameter tubing with 0.014 in. wall thickness. The water flows through copper tubing into the 50ft coil...

01 November 2020 8,039 5 View

Is it acceptable to publish data that were digitized from a previously published plot/figure (referencing the original figure of course)?

There are many ways to extract original source data from figures and plots in publications. If one were to do that and reanalyze the data in the same or a different way, is that acceptable in a...

28 October 2020 3,822 2 View

Methods to attach glutathione agarose resin to glass slide?

Hello, I am looking to capture a GST tagged protein on a glass slide. I was wondering if anyone had any experiences with glutathoine agarose resin. I realize this is commonly used in affinity...

13 July 2020 1,773 3 View

Where to find predator:prey mass data (for terrestrial carnivores)?

I'm looking for datasets (or databases) in which the body mass of predator and prey are presented. I'm specifically interested in terrestrial predators (snakes, mammals, birds). An example of is...

16 June 2020 2,453 9 View

How to calculate the overlap between animal distributions (Shape or .shp file)?

I would like to calculate the overlap between the distributions of two sets of data (predator & prey). The prey set has got about 250 species, the predator set approximately 5000. For each...

21 May 2020 6,726 3 View

Who can assist with an ingredient design of a Covid 19 Sars-2 Cov protein subunit and adjuvant vaccine?

18 May 2020 1,675 13 View

What should be the inner radius for practice coaxial cable mm wave antennas ?

I am trying to make a patch antenna for 28GHz and THz waves, but I m having confusion with the dimension of coaxial feed. wherever I find coaxial cables for millimeter dimensions, only the outer...

21 January 2021 7,119 2 View

Which quality journals accepted software validation?

My PhD research is about THz microstrip antenna. I am using two different kinds of simulators to validate my designs. Which quality journals accepted software validation paper works from your own...

26 November 2020 9,816 3 View

What all types of Antenna possible for Terahertz frequency and also those which can integrated with RTD?

Plz tell all possible antenna type which can be used for Terahertz

24 June 2020 6,085 2 View

Can some one provides book on THZ antenna using Graphene?

THz antenna using Graphene

23 May 2020 3,088 1 View

How to test the Total Radiated Power of an CPW-fed antenna at 140-220GHz band?

Hi everyone, I am working on a project about Terahertz antenna. I fabricated an antenna with CPW-feeding structure, with size of 200 um. The s11 parameters can be obtained by GSG proble+VNA+Thz...

25 February 2020 4,195 3 View

Generation of THz radiation using CST ?

Can we generate and simulate THz radiation using CST or any other software please give me suggestion ?

03 February 2020 4,894 3 View

How i obtain high resolution image from vacuum solar telescope to calculate the twist angle of the filament? and it will work ,or there are another?

in the first i try to calculate the twist angle of erupted filament from the H-alpha image. and i read two paper used high resolution image in work near to my interesting point (i will upload, i...

01 February 2020 4,873 2 View

How does a EM wave affect the charge carrier concentration in a solid semiconductor?

I am concerned about the energies of EM radiations. Like the visible has an energy in the range of 1eV, UV has an energy of 10 eV. So when we shine the EM on a semiconductor, how does it affect...

30 January 2020 2,387 3 View

How to calculate the Permittivity of the cotton in the range from 0.5- 1.5 THZ needed to calculate the total pathloss?

I'm new in the field, working on characterization for a model of air , cotton , air in the terahertz band. I need to calculate the Permittivity of the cotton in the range from 0.5- 1.5 THZ needed...

14 December 2019 3,886 2 View

How to calculate the Permittivity of the cotton in the range from 0.5- 1.5 THZ needed to calculate the total pathloss?

I'm new in the field, working on characterization for a model of air , cotton , air in the terahertz band. I need to calculate the Permittivity of the cotton in the range from 0.5- 1.5 THZ needed...

11 December 2019 9,149 1 View