1. Air can circulate freely through the tunnels.

2. They hollowed out a tunnel through the mountain.

3. He emerged from the tunnel into blinding sunlight.

4. The tunnel project has already fallen behind schedule.

5. The tunnel goes right underneath the city.

6. The tunnel entrance was submerged by rising sea water.

7. The tunnel was blasted out of solid rock.

8. Moles dug tunnels under the lawn.

9. The rock was caverned out to make a tunnel.

10. A tunnel was not considered economically feasible.

11. The train disappeared into a tunnel.

12. He tunneled himself out of prison.

13. The Channel Tunnel project is the biggest civil engineering project in Europe.

14. The roof of the tunnel caved in on the workmen.

15. A tunnel entrance was found within the precincts of the prison camp.

16. Rescuers used props to stop the roof of the tunnel collapsing.

17. The Channel Tunnel was jointly funded by the French and British.

18. A worker put a prop against the wall of the tunnel to keep it from falling.

19. The tunnel would be well - ventilated if tall chimneys were built above sea - level.

20. They will have to block up the entrance to the tunnel.

21. Now the tunneling goes by,[http://] and my building starts cracking and sinking into the ground.

22. Switchblades opened in my skull, tunneling deep into the center of my brain.

23. This service provides HTTP tunneling support for clustered environments.

24. Tunneling (RFC 2893):It allows you to encapsulate one packet head into the other and one protocol will communicate with others through the encapsulation in the other protocol.

25. Fabrication of new types of junctions in tunneling magnetoresistance and study on the interlayer exchange bias coupling will be the main points.

26. Excavated in 1, 239 days, the 26, 800-foot Elizabeth Tunnel set a record for hard-rock tunneling.

27. Combining with open-cut method or subsurface excavation method, subway station is built after the station passenger tunnel is perforated by shield tunneling.

28. It is found that the electrons may be transferred into delocalized states with high energy and transited to surface states through hot electron tunneling under high electron concentration.

29. Moir é patterns on HOPG were studied with scanning tunneling microscopy ( STM ).

30. The electrical conduction mechanism is considered to be touching conductivity and also tunneling conductivity.

31. The band trap band tunneling current is dominant of this current.

32. A close-up of meerkat in the Kalahari Desert shows its sturdy, rakelike claws, an important adaptation for their tunneling lifestyle.

33. Gushing water is the most common geologic hazard during tunneling.

34. Due to the potential application in spin electronics and quantum computing, semiconductor resonant tunneling and zero-dimensional quantum dot system have been widespread attention in recent years.

35. These data and results are helpful to design and develop spin field effect transistor, spin light-emitting diode, spin resonant tunneling device, etc.

36. The poor endurance is ascribed to the poor quality of TEOS used for the tunneling oxide as well as the horn-shaped channel.

37. In this review, we concisely introduce the new experimental techniques including scanning tunneling microscopy and optical tweezer technique.

38. Analyzing surface appearance and interface with scanning tunneling microscope ( STM ) and atom forces microscope ( AFM ).

39. The progress in scanning tunneling microscopy ( STM ) studies of two dimensional magnetic structures is discussed briefly.

40. The invention of scanning tunneling microscopy (STM) in 1982 enabled people to observe and study hylic world in atomic scale of real space for the first time.

41. This paper presents a type of segment erector used in segment lining for the new surface after excavating during shield tunneling.

42. Section VII examines the tunneling and investment efficiency of different sample companies.

43. Electrons are injected into the higher upper state via resonant tunneling from the previous injector.

44. Dependence of the critical exponent which denote the diffuseness on the tunneling frequency has been investigated with the eight-potential-well order-disorder ferro- electric model.

45. FN tunneling and hot hole (HH) stress induced leakage current (SILC) transient characteristics in thin gate oxide are investigated.

46. This scanning tunneling microscope image of a bismuth superconducting compound shows a characteristic checkerboard pattern.

47. Scanning tunneling microscopy ( STM ) has emerged as a powerful tool to investigate molecular interface assembly behavior.

48. We describe an electromagnetic ( EM ) composite material that possesses subwavelength tunneling characteristics.

49. Then the perturbative description of the interaction between a single electron and the laser field can be replaced by the tunneling ionization.

50. The phonon emission rate and the phonon assisted tunneling (PAT) current in an asymmetric double barrier structure are theoretically studied.

51. However[Sentencedict], Fowler - Nordheim tunneling requires more time to program a memory location than does CHE.

52. The scanning tunneling microscope ( STM ) is our prime instrument to study the above mentioned topics.

53. The total internal reflection and the system of photon scanning tunneling microscope (PSTM) are simulated using finite difference time domain (FDTD) method.

54. We designed and made a monolithic integrated negative resistance logic unit, which is composed of resonant tunneling diodes(RTD) and heterojunction bipolar transistors(HBT).

55. This device has an non-uniform doped channel, uses Si3N4 as electron trapping material, programmed by band-to-band hot hole injection, erased by channel FN tunneling.

56. The quantum tunneling of a vortex in an annular Josephson junction is investigated by using the periodic instanton method.

57. Based on the conception of RTD/HEMT series connection resonant tunneling transistors, an RTD/HEMT monolithic integration material structure was designed and grown by molecular beam epitaxy.

58. Horizontal tunneling magnetometer is a new kind of tunneling magnetometer in which Lorentz force is in the same level of sensitive element.

59. According to the law of similarity of fan, the characteristic of long-distance tunneling ventilation was analyzed, and the energy consumption of variable frequency fan was described.

60. Meanwhile the phenomenon of the macroscopic quantum tunneling is also a decay process of metastable state.

61. The Scanning Tunneling Microscope ( STM ) is a new type of microscope based on quantum tunneling effect.

62. By using the hot electron tunneling mechanism of current collapse, some experimental results about current collapse under high electric field were explained.

63. Skeletal structure of a mole, with shovel-shaped hands and wedge-shaped skull, giving the mole perfect tunneling tools.

64. Tunneling magnetometer is a kind of MEMS magnetometer based on tunnel effect in quantum mechanics.

65. We discuss the quantum characteristics of superconductor tunneling junction (SIS) during its transition from zero voltage state to normal state.

66. In the measurement, the moire pattern is generated by the scanning line of scanning tunneling microscope and the atomic lattice of substance as a specimen grating.

67. The results indicate that the solvent effect and tunneling effect must be taken into accout in determining the rate constant of the decomposition reaction in the condensed phase.

68. The relaxation oscillation characteristics of a resonant tunneling diode (RTD) with applied pressure are reported.

69. It will be necessary to increase the excavating speed, reduce building cost and improve environmental condition and safety technique for New Austria Tunneling Method.

70. A tunneling accelerometer is fabricated and characterized based on the extension of the silicon-glass anodic-bonding and deep etching releasing process provided by Peking University.

71. Secondly, the transient characteristics of FN tunneling and hot hole (HH) stress induced leakage current (SILC) in ultra-thin gate oxide are investigated respectively in this dissertation.

72. Tunneling process is important in the low to moderate current density range.

73. The microwave solid state noise diodes are investigated based on the PN junction avalanche multiplication theory with tunneling penetration.

74. Finally, our simulation result shows that conventional SOI SBSD-MOSFET can effectively suppress thermionic emission leakage current, but it still can not suppress tunneling leakage current.

75. Moreover, MBO seems to generate a greater tunneling effect than PBO.

76. And the tunneling effect of wave packet is analyzed concretely.

77. Results show that this method judges the thrust system effectively and is dependable basis for drive distribution control when shield tunneling machine thrust in heterogeneous soil.

78. The STM literally not only allows us to investigate the detailed structure of a molecule,[http:///tunneling.html] it also gives us information of electronic state with Scanning Tunneling Spectroscopy (STS).

79. Moreover, if we consider the tunneling process as a reversible process, the result in Hawking radiation via tunneling is consistent with the first and second law of black hole thermodynamics.

80. Spin tunneling transport properties of two dimensional electrons through magnetic quantum structures are investigated at zero bias and finite bias.

81. Data is read from the unpatterned magnetic film using magnetic tunneling junctions (MTJs).

82. The test running of the small trackless equipments in tunneling at 753 Mine is described.

83. Since the quantum tunneling for intramolecular rearrangements in pyramidal molecules was testified in 1927 a lot of work has been done to study the tunneling.

84. Full thickness tissue loss with exposed bone, tendon or muscle. Slough or eschar may be present on some parts of the wound bed. Often include undermining and tunneling.

85. It is found that in a high electric field electrons can transit from the valence band to the conduction band, which is demonstrated to be Zener tunneling in organic semiconductors.

86. Based on monitoring data from Tai'an Pumped-storage Power Station, a BP neural network prediction model of peak amplitude of the tunneling blasting ground vibration is built.

87. If it is indeed correct, I have a problem with events of low probability, such as tunneling diodes and Josephson junctions.

88. Gate current for pMOSFETs is composed of direct tunneling current, channel hot hole, electron injection current, and highly energetic hot holes by secondary impact ionization.

89. On the basis of biology, it deduces the relation between the high electrostatic field and the transmembrane voltage by the formula of nernst and the quantum tunneling effect.

90. This not only avoids the park tunneling process, the tunnel deformation caused by squeezing the beam bending easily, but also extend the life cycle of the hoist.

91. It is found that the barrier width is thinned by the surface defects with high density to enhance the hot electron tunneling.

92. Applying a small magnetic field will stop Cooper pairs from tunneling across the junction, so only quasiparticles can cross.