Beers Law Concentration Absorption
Atlence Resistor Viewer allows electronics engineers to get the value and characteristics of a resistor from its color bands and vice versa. It can also be used to learn the resistor color code with the lesson and quiz included.
Get the band colors of a resistor and the standard values...
Platforms: Windows, Android
License: Freeware | Size: 6.39 MB | Download (108): Atlence Resistor Viewer Download |
Variation of the Concentration game (also known as Memory). Find all pairs of matching cards in limited time and number of turns.
Platforms: Windows, Mac, *nix, Java, BSD Solaris
License: Freeware | Download (62): Charamega Download |
SalStat is an application for the statistical analysis of scientific data (with a special concentration on psychology ) . It can do many types of descriptive statistics, t tests (paired, unpaired and one sample), correlations linear regression and point biserial tests, and single factor anova...
Platforms: Windows, Mac, *nix, Python, BSD Solaris
License: Freeware | Download (65): SalStat Download |
Gravitational search algorithm (GSA) is an optimization algorithm based on the law of gravity and mass interactions.This algorithm is based on the Newtonian gravity: "Every particle in the universe attracts every other particle with a force that is directly proportional to the product of their...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (52): Gravitational Search Algorithm (GSA) Download |
The program determines the constants Rmax and Km of the Michaelis-Menten model using data given in Fundamentals of Chemical Reaction Engineering by M. E. Davis & R. J. Davis, McGraw Hill, 2003. This data represents the substrate (catechol) concentration versus time. This data was obtained using...
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (49): Nonlinear Fit of Michaelis-Menten model Download |
n the bottom of a Stefan tube there is a quiescent liquid with a mixture of acetone (component 1) and methanol (component 2). Vapor that evaporates from this pool of liquid diffuses to the top of the tube. Air (component 3) keeps the mole fractions of components 1 and 2 equal to zero. This...
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (42): Solution of a Maxwell Stefan Diffusion Problem Download |
The Hardy Weinberg equilibrium is a fundamental law in genetic.This function was deeply rewrited.If a locus is biallelic the function use the exact Hardy Weinberg test (similar to Fisher exact test) analyzing all possible tables. If you download TERNPLOT functions (ID:2299) the function plots a...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (46): HWtest Download |
Set of functions providing the attenuation and energy absorption coefficients of x-ray and gamma-ray photons in various materials, based on NIST report 5632, by J. Hubbell and S.M. Seltzer.X = PhotonAttenuation(Material, Energy, Options, Thickness)Function providing the attenuation and energy...
Platforms: Matlab
License: Freeware | Size: 163.84 KB | Download (48): PhotonAttenuation Download |
The purpose of this program is to simulate the permeation time lag in a polymer hollow fiber membrane with a dual mode sorption isotherm and the partially immobilized diffusion model.The program plot the 3D time lag with two models:1) concentration gradient as the driving force for diffusion2)...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (43): Permeation timelag in polymer hollow fiber membrane Download |
Function REFRAC returns material properties interacted with x-rays.refrac('Formula',energy,massdensity) gives refraction in terms of disperion(delta) and absorption(beta), as well as critical angle and attenuation length corresponding to the input energy. Also a plot of these properties is...
Platforms: Matlab
License: Freeware | Size: 563.2 KB | Download (44): Toolbox: X-ray Refraction of Matter Download |
The toolbox can import spectra acquired on spectroradiometers manufactured by Analytical Spectral Devices (ASD), Spectra Vista Corporation (SVC), Ocean Optics and the Field Spectroscopy Facility (FSF). It can post process spectra to calculate spectral reflectance, radiance and irradiance. It also...
Platforms: Matlab
License: Freeware | Size: 1.74 MB | Download (39): Field Spectroscopy Facility Post Processing Toolbox Download |
A reaction object contains parameters that describe a chemical reaction scheme in terms of reagents, reaction steps, rate constants and equilibrium constants. The reaction can be evaluated to provide concentrations of species as a function of time and starting concentration. The reaction can also...
Platforms: Matlab
License: Freeware | Size: 30.72 KB | Download (44): Reaction Object Download |
VaMoLa Validator is a tool to validate accessibility according to Italian Law - based on AChecker.Features of VaMoLdoT - Validator:- Web accessibility evaluation- Stanca Act requirements and WCAG evaluation- Web services API
Platforms: PHP
License: Freeware | Size: 6.03 MB | Download (42): VaMoLdoT - Validator Download |
How do strong and weak acids differ? Use lab tools on your computer to find out! Dip the paper or the probe into solution to measure the pH, or put in the electrodes to measure the conductivity. Then see how concentration and strength affect pH. Can a weak acid solution have the same pH as a...
Platforms: Mac
License: Freeware | Size: 1.26 MB | Download (40): Acid-Base Solutions Download |
The EJS Shapley's Globular Clusters Model shows the distribution of globular clusters around the plane of the Milky Way as determined by Harlow Shapley in 1918. The Space View frame shows a 3D view of the distribution of the clusters around the galactic plane, along with the location of the Sun...
Platforms: Mac
License: Freeware | Size: 1.54 MB | Download (36): Shapley's Globular Clusters Download |
This applet shows multiple beam interferences from a parallel dielectric thin film. The applet lets you study the evolution of reflection and refraction factors when the index of refraction and the absorption of the film and the substrate are modified. These can be constant or have a wavelength...
Platforms: Mac
License: Freeware | Size: 10.24 KB | Download (42): Multiple beam interference Download |
Build a gene network! The lac operon is a set of genes which are responsible for the metabolism of lactose in some bacterial cells. Explore the effects of mutations within the lac operon by adding or removing genes from the DNA. Sample Learning Goals: * Predict the effects on lactose...
Platforms: Mac
License: Freeware | Size: 1.14 MB | Download (35): Gene Machine: The Lac Operon Download |
NUKE BOMBER: Drop bombs from a helicopter on helpless buildings. Tests accuracy, concentration, and timing somewhat.
Platforms: Mac
License: Freeware | Size: 51.2 KB | Download (44): NUKE BOMBER Download |
EventAlert is also able to handle more than one proc at a time (this option was not available in previous versions). I am not fond of addons that have very complicated installation and setups. The mod should work on install without any config, but if you wish to change any options use the...
Platforms: Mac
License: Freeware | Size: 30.72 KB | Download (41): EventAlert Download |
Bookstack consists of a sidebar that you can drag links into or otherwise add (see documentation) links to. You can then access them easily and they will remove themselves from the sidebar. This allows you to break your workflow into two parts of acquisition and absorption. You first acquire the...
Platforms: Mac
License: Freeware | Size: 92.16 KB | Download (40): Bookstack Download |