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[PDF] Top 20 Segmentation, metamerism and the Cambrian explosion

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Segmentation, metamerism and the Cambrian explosion

Segmentation, metamerism and the Cambrian explosion

... ligand expressing cells; grey and red circles, responding cells; short blue arrows, cell communication between a single Notch-ligand expressing cells and its neighbours. (A) Segregation of sensory elements (black) or ... See full document

12

Metamerism in cephalochordates and the problem of the vertebrate head

Metamerism in cephalochordates and the problem of the vertebrate head

... head segmentation; he separated somatic (a system for locomotion in the dorsal side) and visceral (a system for digestion in the ventral side) components in the head mesoderm, and identi- fied head cavities as ... See full document

13

The sudden appearance of diverse animal body plans during the Cambrian explosion

The sudden appearance of diverse animal body plans during the Cambrian explosion

... The head-segment-gain expansion characterizes the arthro- pod head evolution and it is achieved through the posterior shifting of the head rear border. The original position of the head/trunk boundary in arthropods as ... See full document

20

The Cambrian metamorphic history of Tasmania

The Cambrian metamorphic history of Tasmania

... Figure 2-42: Perple_X garnet-core results for sample 67659 starting xH2O = 1.37 A the intersections at 520o C, 5,100 bars B xAlm isopleths C xPrp D xGrs E xSps F mineral stability fields[r] ... See full document

115

Methods of Reducing the Front Performance Flame at the Underground Mines Works

Methods of Reducing the Front Performance Flame at the Underground Mines Works

... an explosion in a mine tunnel and the transverse movement of the flame front and striking elements, an explosion of pyrotechnic composition spraying water, and creating a water sultan 80 mm in thickness ... See full document

7

An early Cambrian greenhouse climate

An early Cambrian greenhouse climate

... ence of freshwater input, and the regional precipitation-evaporation (P-E) balance ( 23 ). Secular variability of the global ocean d 18 O reservoir, other than ice volume effects of ~1‰, is often disregarded in deep time ... See full document

12

The Cambrian metamorphic history of Tasmania

The Cambrian metamorphic history of Tasmania

... are compositionally homogeneous. The other (Type A) features a relatively uncracked aspect, with no visual difference between rims and cores, but distinct compositional differences between the two zones, with the ... See full document

223

Infernal Machinery:Thermopolitics of the Explosion

Infernal Machinery:Thermopolitics of the Explosion

... of harnessing the force of gunpowder - that had `hitherto served only for violent action’ - to the more productive task of propelling an engine: a `moteur à explosion’ (cited in Kelly, 2004: 116). Huygens imagined ... See full document

19

Expanding Dimensionality in Cinema Color: Impacting Observer Metamerism through Multiprimary Display

Expanding Dimensionality in Cinema Color: Impacting Observer Metamerism through Multiprimary Display

... In designing color primaries for accurate color reproduction, spectral characteristics do carry significant importance. A move towards monochromatic color designs such as are found in laser displays adds significant ... See full document

205

Explosion of Sun

Explosion of Sun

... However, this presumes that the Sun is stable against deliberate tampering. Supposing our postulations are correct, the danger exists that introducing a strong ther- monuclear explosion into the Sun which is a ... See full document

14

Vapour Explosion Chamber

Vapour Explosion Chamber

... vapour explosion chamber 10 and combustion cham- ber are 330 microns and 370 microns in diameter and 300 microns and 700 microns in length ...vapour explosion devices to eject fuel into the combustion ... See full document

41

Gas Explosion Venting: External Explosion Turbulent Flame Speeds that Control the Overpressure

Gas Explosion Venting: External Explosion Turbulent Flame Speeds that Control the Overpressure

... caused by the cooling of the gas mixture in the vessel which causes a reduction in the vessel pressure and a subsequent reverse flow of the external gases into the vented vessel, creating turbulence and causing a second ... See full document

6

Explosion characteristics of pulverised torrefied and raw Norway spruce (Picea abies) and Southern pine (Pinus palustris) in comparison to bituminous coal

Explosion characteristics of pulverised torrefied and raw Norway spruce (Picea abies) and Southern pine (Pinus palustris) in comparison to bituminous coal

... composition. Laminar burning velocities ranged between 0.1 ms -1 and 0.12 ms -1 for biomass samples. In comparison with Kellingley coal all biomass and torrefied biomass showed higher reactivity. Also less dust was ... See full document

29

Diagnosis of Explosions

Diagnosis of Explosions

... The center of the explosion can usually be determined, as the wreckage radiates from it like the spokes of a wheel; this was noticed by Munroe in the gas explosion at the Capitol in Wash[r] ... See full document

6

Cambrian suspension-feeding tubicolous hemichordates

Cambrian suspension-feeding tubicolous hemichordates

... Additional file 10: Major morphological differences between the two Cambrian, tubicolous enteropneusts Spartobranchus tenuis (top box) and Oesia disjuncta (middle box): (1) S. tenuis is thin and elongate and the ... See full document

9

The petrology of the Cambrian volcanic rocks of Tasmania

The petrology of the Cambrian volcanic rocks of Tasmania

... 3.-A specimen of port10n of the surface of a pahoehoe lava flow showing ropy structure FIG 4.-A specimen of breccia containing fragments of volcanic glass showing alteration to hydrogros[r] ... See full document

254

Explosion and the normativity of logic

Explosion and the normativity of logic

... Logic has traditionally been construed as a normative discipline; it sets forth stand- ards of correct reasoning. Explosion is a valid principle of classical logic. It states that an inconsistent set of ... See full document

36

Atmosphere of an Explosion

Atmosphere of an Explosion

... This binary approach to the use of the tondo form underscores the response/process and creates a structure to the visual alignment of each piece thereby connecting them through a visual [r] ... See full document

25

A Computational analysis of observer metamerism in cross-media color matching

A Computational analysis of observer metamerism in cross-media color matching

... Color Matching Functions Three different the color-matching functions sets of distributions, spectral radiant power copy experimental stimuli, 2 shows tristimulus three sets of values an[r] ... See full document

221

Symmetry of echinoderms: From initial bilaterally asymmetric metamerism to pentaradiality

Symmetry of echinoderms: From initial bilaterally asymmetric metamerism to pentaradiality

... The asymmetric development of the coeloms is the only available evidence that at one time echinoderms were oriented lateral side down. But there are a few Cam- brian echinoderms with perfect bilateral symmetry of the ... See full document

13

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