A technique for measuring small, fast changes in resistance

Anderson, Drew A.; Anderson, J.; Seville, Adrian

doi:10.1088/0022-3735/1/4/313

Cited by 3 publications

(3 citation statements)

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“…Comparison of correlation times for rate processes I and II [Eq (26). 29-32,34) AS/ values where a large positive entropy of activation would be expected for a process which presumably involves either the rupture or significant weakening of theTABLE VI.…”

mentioning

confidence: 99%

Relaxation Processes in Water. The Spin–Lattice Relaxation of the Deuteron in D2O and Oxygen-17 in H217O

Hindman

Zielen

Svirmickas

et al. 1971

The Journal of Chemical Physics

106

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Proton spin-lattice relaxation rate in supercooled H2O and H2 17O under high pressure An experimental study of the deuteron relaxation time TI has been made over a temperature range -18-178°C. The equation for the temperature dependence of the relaxation time is of the formThe data are interpreted in terms of an equilibrium leading to a species which relaxes by an isotropic rotational diffusion process. Using transition rate theory and a quadrupole coupling constant derived for the relaxing species from dielectric data, heats and entropies are calculated for both the equilibrium and rate processes. For the equilibrium ~H=6.8±0.2 kcal mole-I and ~S=24.8±0.9 e.u. mole-I. For the rate, ~H*=2.50±0.06 kcal mole-1 and ~S*=3.6±0.1 e.u. mole-I. Similar measurements for the oxygen-17 relaxation time Tl over the temperature interval -14-180°C yield for the equilibrium ~H=5.6±0.3 kcal mole-1 and ~S=20.7±1.4 e.u. mole-I. For the rate, ~H*=2.43±0.08 kcal mole-1 and ~S*=3.9± 0.2 e.u. mole-I. The results are discussed in terms of models for the water structure, the species present in the liquid, the relaxation process and molecular motion in the liquid.

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mentioning

confidence: 99%

Relaxation Processes in Water. The Spin–Lattice Relaxation of the Deuteron in D2O and Oxygen-17 in H217O

Hindman

Zielen

Svirmickas

et al. 1971

The Journal of Chemical Physics

106

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“…To eliminate the shadows cast on the image by the diaphragms the whole slit system should be oscillated laterally. An analogous mechanism has been used by Anderson (1968).…”

Section: The Topographical Examination Of Curved Crystalsmentioning

confidence: 99%

A high-resolution X-ray topographical technique for thin flexible crystal plates

Wallace¹,

Ward²

1975

J Appl Cryst

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A new technique for high-resolution X-ray diffraction topography is described, which is specially applicable to the examination of thin crystal slices of large area in symmetric transmission. The crystal plate is slightly curved so that the whole area can selectively diffract a single wavelength from an X-ray beam divergent from a distant point source. For the case of symmetric transmission, image contrast is identical to that obtained from the conventional Lang technique. Resolution equivalent to that of the Lang technique is obtained in a small fraction of the exposure time. The method is restricted to materials in which the defect distribution is not strongly dependent on macroscopic strain. The method is illustrated by application to silicon crystals used in semiconductor device manufacture. Process-induced curvature can to some extent be compensated.

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“…У денталним истраживањима праисторијских популација ове фрактуре варирају од ситних ломова глеђи, до оних значајне величине који отврају пулпу и доводе до труљења зуба и стварања апсцеса (Anderson 1968, Bonfiglioli 2002, Bonfiglioli et al 2004, Costa 1980, Milner 1983, Molnar 2008, Pedersen 1944, Turner and Cadien 1969, Ubelaker 1971. Мање заживотне фрактуре круница откривене су и код фосилних хоминида, укључујући и раног Homo sapiens-a (Boaz andHowell 1977, Frayer andRussell 1987) и аустралопитека (Wallace 1975).…”

Section: окрњеност зубаunclassified

Traces of non-masticatory activities in the teeth of inhabitants of the Danube Gorges from 9500-5500 B.C.

Radović¹

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A technique for measuring small, fast changes in resistance

Cited by 3 publications

References 1 publication

Relaxation Processes in Water. The Spin–Lattice Relaxation of the Deuteron in D2O and Oxygen-17 in H217O

Relaxation Processes in Water. The Spin–Lattice Relaxation of the Deuteron in D2O and Oxygen-17 in H217O

A high-resolution X-ray topographical technique for thin flexible crystal plates

Traces of non-masticatory activities in the teeth of inhabitants of the Danube Gorges from 9500-5500 B.C.

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