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31. Drop-off gun assemblies often are used in underbalanced perforating applications, eliminating the need to kill the well to recover the spent gun assembly.

32. Objective To evaluate the diagnostic methods and treatment of gastric ulcer perforating with toxics tubular necrosis.

33. Now the improved and optimized proper accessories such as shock absorber, pass-by sub, perforating materials, detonating device and packings, etc. , meet the above needs in this kind of wells.

34. Perforating Machine IBM's first patent (issued July 25, 1911) described an invention related to punched-card tabulation.

35. The insufficiency of perforating veins is the main cause resulting in the recurrence of varicose veins after varicotomy in lower extremities.

36. An installation for the simulated test of perforating shaped charge with after effect was described.

37. The surgical method of flap was designed depending on looking for the intermuscular cutaneous perforating branch.

38. Objective To investigate the significance of primary operation on perforating corneoscleral injury.

39. Results Among 10 cases[http://Sentencedict.com], 9 patients ended with round pupil and proper physical function except 1 patient with paralytic mydriasis resulted from severe perforating injury.

40. The utility model relates to a perforating bullet case blank precision cold - extrusion die.

41. Objective To investigate the changes of blood-ocular barrier and effect of ligustrazine on the ocular endosmosis of intravenous ciprofloxacin in rabbit eyes of corneal perforating injury.

42. In 1960, two other researchers compared quantity and quality of work of operators of cine-film perforating machines.

43. Objective To discuss the effects and the main operative techniques of laparoscopic highly selective vagotomy (LHSV) in the treatment of perforating duodenal ulcer.

44. Drilling: Perforating a pile of sheets with holes for special binding methods, such as loose-leaf.

45. FEM (Finite Element Method) is used to simulate the after-perforation productivity in horizontal wells and forecast productivity ratio of different perforating methods.

46. All of the patients were accepted ascending phlebography and color Doppler ultrasonography of deep for superficial and perforating veins.

47. The basilic vein may be divided into a cardinal (9%)(Sentencedict.com), 43% direct and 48% indirect perforating tributaries.

48. Clinical application of perforating flap has been in operator for 10 years, in recent years, the coverage of perforating flap gradually increased, especially in lower extremity perforator flap.

49. Conclusion The measure is simple and effective in handling the perforating vein and adherence of skin, and it is worthy of promotion.

50. Results:Sympathetic ophthalmia occurred mostly in younger persons, and the most common causes were ocular perforating injuries, especially at the corneoscleral limbus.

51. Results: The nutrient vessels of PFCN were the branches from the inferior gluteal artery, musculocutaneous branch of perforating artery, and the ascending cutaneous branch of the popliteal artery.

52. The vital importance of the early recognition of perforating appendix is unmistakable.

53. The utility model shortens the soak time of the perforating fluid to the stratum and avoids a secondary pollution to the oil layer during a pulling operation process.

54. Perforating depth is not only the most basic data for production estimation and calculation of productivity ratio, but also the basic condition of optimizing perforation scheme.

55. AIM:To probe into the anatomic features of perforating branch flap in the medial vastus muscle, so as to provide a new operation style for repairing the soft tissue defect in the periphery of knees.

56. Caliper logging is mainly used to determine the change of inside diameters of casings , perforating depth and the depth of collars.

57. Encryption for the oil cloth wells, perforating optimization, a series of measures to tap the potential of measures provided.

58. CONCLUSION:Perforating branch-muscular branch of medial vastus muscle retrograde flap can be transposed to repair the soft tissue defect around knee.

59. Radial artery–perforating vein fistulas have an acceptable survival rate and do not produce circulatory complications.

60. Objective :To investigate the early effect of firearm perforating wound to vertebral body caused by different velocity bullet and the mechanisms of the early stage of secondary events in GSI to spine.