: Two simultaneous equations in terms of a variable parameter t, with slope m

Two different full descriptions of the physical system with related systems of equations can be found

For example, the Mixing Length model is a " Zero Equation " model because no transport equations are solved ; the is a " Two Equation " model because two transport equations ( one for and one for ) are solved.

Two equations are equivalent if they have the same set of solutions.

Two types of constitutive equations are given below: One type results from using empirical relationships and includes Newtonian fluids, the Bingham fluid model and the power-law fluid model.

In unrationalized Gaussian units ( not Lorentz – Heaviside units ) the situation is reversed: Two of Maxwell's equations have factors of 4π in the formulas, while both of the inverse-square force laws, Coulomb's law and the Biot – Savart law, have no factor of 4π attached to r < sup > 2 </ sup > in the denominator.

Two equations exist describing momentum transfer between matter and electromagnetic fields.

Two sets of four points in the plane ( the vertices of a square and an equilateral triangle with its centroid ), the multipliers solving the system of three linear equations for these points, and the Radon partitions formed by separating the points with positive multipliers from the points with negative multipliers.

Two solutions of these equations for the same current configuration differ by a solution of the vacuum wave equation

Two conditions are sufficient and necessary for solvability of the system of detailed balance equations:

Two important equations that can determine membrane potential differences based on ion concentrations are the Nernst Equation and the Goldman Equation.

Two equations can be derived, that express the fractional occupancy of the ligand binding site ( Y ) and the fraction of the proteins in the R state ( R ):

Two closely related methods: the Bethe ansatz approach, in its modern sense, based on the Yang – Baxter equations and the quantum inverse scattering method provide quantum analogs of the inverse spectral methods.

Two thieves are crucified with Christ, one saved and the other damned.

Two of the vital qualities demanded of a politician by other politicians are that he always keep a confidence and that he keep his word.

Two poets are paired on each record, in the order given above.

Two Anabaptists, Caroli and Benoit, are to challenge you and William to a debate before the Council.

Two features are immediately evident.

Two cities to be considered, Providence and Cranston, are an enigma.

Two walls of concrete blocks are constructed at least 20 inches apart.

Two or more dogs are mounted on each locking bar.

Two very useful ways for modifying a form-dictionary are the addition to the dictionary of complete paradigms rather than single forms and the application of a single change to more than one dictionary form.

Two metabolites ( 1, and 2 ) ) of p-aminobenzoic acid ( PABA ) which act as cofactors for the hydroxylation of aniline by acid-fast bacteria are biosynthesized from Aj.

Two of the clamps are fixed to the edges of the board whereas two clamps travel on guide rails opposite the fixed clamps.

Two unsolved mysteries are based on these facts.

Two of these are in or near Dallas and the others away from the vicinity.

`` Two, wage costs are a fraction of the U.S. costs.

Two sharply contrasting places designed for public enjoyment are now on display.

Two apparent experimental methods of increasing F are increasing the

Two of the most well-known applications of the pure elements are rubidium and caesium atomic clocks, of which caesium atomic clocks are the most accurate representation of time known as of.

Two of the genera, Hemerocallis ( day lily ) and Phormium ( New Zealand flax ), are grown as ornamentals worldwide.

Two 13-person juries composed of artists, academics, critics and AFI Trustees deliberate, discuss and determine the honored ensembles, who are then feted at a private event in January.

Seven stories are inspired by a nursery rhyme: And Then There Were None by Ten Little Indians ; One, Two, Buckle My Shoe by One, Two, Buckle My Shoe ; Five Little Pigs by This Little Piggy ; Crooked House by There Was a Crooked Man ; A Pocket Full of Rye by Sing a Song of Sixpence ; Hickory Dickory Dock by Hickory Dickory Dock, and Three Blind Mice by Three Blind Mice.

* 1920 – Two security guards are murdered during a robbery in South Braintree, Massachusetts.

* 2008 – Two skeletal remains found near Ekaterinburg, Russia are confirmed by Russian scientists to be the remains of Alexei Nikolaevich, Tsarevich of Russia and one of his sisters.

Two other alcohols whose uses are relatively widespread ( though not so much as those of methanol and ethanol ) are propanol and butanol.

Two versions of Blackwood are common: " standard " Blackwood, developed by Easley, and " Roman key card " or " RKC " Blackwood, named for the Italian team which invented it.

Two key marketing executives in Compaq's early years, Jim D ' Arezzo and Sparky Sparks, had come from IBM's PC Group.

From an article by Askanas and Engel: " Two hypotheses predominate regarding the key pathogenic mechanisms involved in s-IBM: an amyloid-beta-related degenerative process and an immune dysregulation.

Two key assumptions underlie this cognitive approach: ( 1 ) that the memory system is an active organized processor of information and ( 2 ) that prior knowledge plays an important role in learning.

Two key mottos taken from those principles are " Education is an atmosphere, a discipline, a life " and " Education is the science of relations.

Two years later in Paris he repeated the proposal, listing the stone as one of several key items belonging to Egypt's cultural heritage, a list which also included the iconic bust of Nefertiti in the Egyptian Museum of Berlin ; a statue of the Great Pyramid architect Hemiunu in the Roemer-und-Pelizaeus-Museum in Hildesheim, Germany ; the Dendara Temple Zodiac in the Louvre in Paris ; and the bust of Ankhhaf from the Museum of Fine Arts, Boston.

Two key judicial decisions, which are still frequently cited today, are reported only in Hare's Reports in Chancery:

Two key challenges to this assertion are:

In 2003, Fastow was a prominent figure in 24 Days: How Two Wall Street Journal Reporters Uncovered the Lies that Destroyed Faith in Corporate America by the reporters who had broken some of the key stories in the saga, Rebecca Smith and John R. Emshwiller.

Two future opponents in the American Revolutionary War, Washington and Thomas Gage, played key roles in organizing the retreat.

The key movements within the Two and a Half International were the ILP and the Austromarxists, and the main forces in the Three and a Half International were the ILP and the Workers ' Party of Marxist Unification ( POUM ) of Spain.

Masters of the House: Congressional Leadership Over Two Centuries ( 1998 ) short biographies of key leaders

Two of the seven key areas of " Catholic social teaching " are pertinent to social justice:

Two major military battles occurred near the city: in 732, the Battle of Poitiers ( also known as the Battle of Tours ), in which the Franks commanded by Charles Martel halted the expansion of the Umayyad Caliphate, and in 1356, the Battle of Poitiers, a key victory for English forces during the Hundred Years ' War.

Two Arginine residues at position 265 and 511 and one Lysine residue at position 508 were found to be key in IP < sub > 3 </ sub > docking.

Two key points discussed in his works are liquid fuels and staging.

Two key inventions led to the development of magnetic core memory in 1951.

Two key innovations in the development of the modern music video were the development of relatively inexpensive and easy-to-use video recording and editing equipment, and the development of visual effects created with techniques such as image compositing.

Two other key songs written and recorded for SMiLE -- " Cabin Essence " and " Surf's Up " -- were compiled by Carl Wilson and included on the 20 / 20 and Surf's Up LPs in more or less the same form as Wilson had intended them for SMiLE, while the song " Cool Cool Water " ( an extended track built around the SMiLE fragment " I love to say Dada ") later appeared on the Sunflower album.

Two key theorems of Ramsey theory are:

* Two eyes, a key concept in the game of go

Two key acquisitions were Sira, taken from the Marathas, and the kingdom of Bednore, where as a casus belli he agreed to support a claimant to its throne against usurpers.

Two popular hypotheses are that it was created in Kentucky, hence ' K-Y ', or that the letters represent the key ingredients used to make the lubricant, neither of which are proven.

Two key aspects contributed to SQL Slammer's rapid propagation.