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  • {{#category_index:A|A+B,A*B}} ...mbined to yield a single index, where amplitude is expressed as <math> A + B \sin^2 \theta </math>, <math> \theta </math> being the angle of incidence.
    325 bytes (50 words) - 11:01, 8 December 2017
  • {{#category_index:B|b, B}} b=bits, B=bytes.
    130 bytes (17 words) - 22:19, 4 October 2017
  • {{#category_index:B|B}} ...studies, where the amplitude is often approximated by the equation ''A''+''B''sin<sup>2</sup>&#x03B8;, where &#x03B8; is the angle of incidence.
    770 bytes (110 words) - 22:20, 4 October 2017
  • {{#category_index:B|''b''-axis}} <b>Beta axis</b>, the longitudinal axis of a fold structure. Defined on a Schmidt net by th
    408 bytes (55 words) - 10:40, 10 March 2020
  • {{#category_index:B|B/D, b/d}} <b>B</b>arrels-per-<b>D</b>ay. Sometimes written BPD or BPCD (barrels-per-calendar day), BCD, BCPD (ba
    233 bytes (35 words) - 13:33, 16 November 2017
  • 134 bytes (14 words) - 23:16, 21 August 2018
  • 44 bytes (4 words) - 09:34, 27 February 2015
  • {{#category_index:B|Bullard B (earth curvature) gravity correction}}
    675 bytes (78 words) - 22:07, 14 May 2017
  • {{#category_index:G|Gauss-A, Gauss-B}} ...nd-on</b>, Gauss-B is perpendicular to the dipole, also called <b>side-on</b>.
    323 bytes (47 words) - 04:01, 29 January 2018
  • {{#category_index:S|SEG A, SEG B, SEG C, SEG D, SEGDEF, SEG Y}}
    432 bytes (66 words) - 09:40, 10 April 2018
  • FIG. B-1. <b>Bathymetric zonation</b> terminology. (Courtesy Micro-Strat Inc.)
    166 bytes (21 words) - 09:35, 1 October 2019
  • ...ditional records superimposed on the first; the result is <b>bubble noise</b>. One measure of the effectiveness of a marine source is the ratio of the a
    480 bytes (75 words) - 16:28, 20 December 2011
  • FIG. B-11. ...(a), showing three branches; the pattern is sometimes called a <b>bow tie</b>. Note the 90&#x00B0; phase shift in the reverse branch. (Courtesy Chevron
    458 bytes (78 words) - 16:28, 20 December 2011
  • FIG. B-2. <b>Beaufort wind scale and Douglas sea-state scale</b>.
    93 bytes (15 words) - 16:28, 20 December 2011
  • FIG. B-3. <b>Binary-gain</b> action in a seismic amplifier. (Courtesy Seismic Data Services.)
    121 bytes (18 words) - 16:28, 20 December 2011
  • FIG. B-4. <b>Birefringence</b> involves splitting an S-wave into two waves that travel at different veloc
    666 bytes (102 words) - 16:28, 20 December 2011
  • FIG. B-5. <b>Boolean algebra</b>. (<b>a</b>) Symbolic representations; (b) truth table showing rules, no and yes represented by 0 and 1 respectively;
    329 bytes (50 words) - 16:28, 20 December 2011
  • FIG. B-6. ...one with steep south dip and one with gentle west dip, as shown in (<b>c</b>). (From Zemanek et al., 1970, 255 and 257.)
    291 bytes (51 words) - 16:28, 20 December 2011
  • FIG. B-7. ...rick pattern</b>. Staggering alternate rows of source points (<b>&#x2218;</b>) that are orthogonal to the rows of geophones (.) lessens acquisition foot
    201 bytes (30 words) - 16:28, 20 December 2011
  • FIG. B-8. ...>. Used to measure one unknown ''Z'' in terms of three known ''Z'', (<b>b</b>) Bridge rectifier for full-wave rectification.
    331 bytes (57 words) - 16:28, 20 December 2011

Page text matches

  • {{#category_index:A|A+B,A*B}} ...mbined to yield a single index, where amplitude is expressed as <math> A + B \sin^2 \theta </math>, <math> \theta </math> being the angle of incidence.
    325 bytes (50 words) - 11:01, 8 December 2017
  • ...b>)/2 where ''t''<sub>''AB''</sub>=surface-to-surface time from ''A'' to ''B'' (obtained by adding the uphole time to the first-break time), etc.]]
    951 bytes (148 words) - 22:04, 5 June 2020
  • ...esistivity surveying and well logging. Current is passed between the A and B electrodes and voltage is measured between the M and N electrodes. See Figu File:Sega18.jpg|FIG. A-18. Colinear <b> arrays</b> used in resistivity surveying. The equation for the apparent resistivit
    864 bytes (132 words) - 13:26, 1 August 2017
  • (&#x2202; b&#x0113;&#x2019; l&#x0113; &#x2202;n or &#x2202; b&#x0113;l&#x2019; y&#x2202;n) [[Special:MyLanguage/Dictionary:commutative|''
    338 bytes (43 words) - 11:03, 8 December 2017
  • ...(PWM); the width of pulses varies. (<b>f</b>) <b>Pulse-spacing modulation</b>; the timing of pulses varies. See also Figure [[Special:MyLanguage/Diction
    980 bytes (152 words) - 11:31, 8 December 2017
  • ...tical acceleration correction to compensate for aircraft vertical motion, (b) gravimeter platform velocity (E&#x00F6;tv&#x00F6;s and horizontal accelera
    747 bytes (99 words) - 15:03, 23 January 2018
  • ...a gun is the size of its lower chamber. (Courtesy Bolt Associates.)<br /> (b) Sleeve gun; the sleeve around the gun slides back to release the air into
    2 KB (283 words) - 20:57, 6 June 2020
  • (al b&#x0113;&#x2019; d&#x014D;) The fraction of the incident energy that is refl
    203 bytes (28 words) - 17:31, 26 February 2018
  • ...(determined by discrete spatial sampling) <b>wraps around</b> (<b>aliases</b>) and may get mixed up with the signal. In wraparound, data to the right of ...'' of each other. [[File:Sega8.jpg|left|thumb|300px|FIG. A-8. <b>Aliasing</b> of 200 Hz (dashed line) as 50 Hz (solid line). Both 50 and 200 Hz waves gi
    4 KB (611 words) - 17:32, 26 February 2018
  • ...#x2019; b&#x0113; &#x2202;nt) Surrounding or background. <b>Ambient noise</b> is the pervasive noise associated with an environment, usually being a com
    374 bytes (53 words) - 22:45, 5 March 2018
  • <center><math>A(\theta) = A + B \sin^2\theta \ </math></center> ...nless they have appreciable increase of amplitude with offset. <b>Class 4</b> are low-impedance reservoirs where the magnitude decreases with offset. Se
    3 KB (408 words) - 16:24, 8 September 2020
  • ...and B.&#x2019;&#x2019; See Figure [[Special:MyLanguage/Dictionary:Fig_B-5|B-5]]. [[File:Segb5.jpg|center|thumb|450px| FIG. B-5.
    763 bytes (123 words) - 15:11, 14 June 2020
  • ...ockwise after backsighting on the previous station. A <b>deflection angle</b> is the angle between the onward extension of the previous leg and the line ...ht</b>, (<b>c</b>) <b>deflection angles</b>, (<b>d</b>) <b>azimuth angles</b>. The first leg of a loop is specified by azimuth.
    1 KB (177 words) - 12:29, 16 April 2018
  • ...source and receiver may not make a right angle with the reflector. (<b>c</b>) SH-wavefronts in transversely isotropic media are elliptical but P- and S
    7 KB (968 words) - 12:44, 12 September 2020
  • ...e borehole, or <b>(c)</b> to hold a sensor pad to the borehole wall. <b>2</b>. To prepare a blaster or a perforating gun for firing.
    434 bytes (76 words) - 18:12, 8 January 2018
  • ...two electrodes as potential electrodes; and the &#x03B3;-<b>configuration</b> alternates current and potential electrodes. Colinear <b>arrays</b> used in resistivity surveying. The equation for the apparent resistivity &
    4 KB (586 words) - 18:58, 14 December 2017
  • ...mes called a <b>pattern</b> (especially for a source array) or a <b>patch</b> (especially when the array is large). ...foot array; (<b>h</b>) odd-arm star; (<b>i</b>) herring-bone array; (<b>j</b>) and windmill array.]]
    3 KB (430 words) - 18:19, 6 June 2020
  • where <math display="inline">\phi_0</math> is the value at ''z'' = 0 and ''b'' is an empirical constant.
    466 bytes (67 words) - 13:50, 4 February 2018
  • (at&#x2019; &#x2202;r b&#x2202;rg,) The water content when a sediment changes its properties from l
    380 bytes (57 words) - 14:05, 6 February 2018
  • [[File:Sega23.jpg|thumb|500px|FIG. A-23. Seismic <b>attributes</b>. &#x2018;&#x2018;Windows&#x2019;&#x2019; can be constant time intervals, c ||[[File:Sega24a.jpg|thumb|500px|<b>Attribute display</b> examples. (<b>a,b</b>) Dip-magnitude and dip-azimuth maps, Nun River field, Nigeria (from Bouvie
    7 KB (961 words) - 15:01, 6 February 2018

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