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61 Compared with neat PE pipe, the short-time burst pressure at room temperature, ring stiffness, and critical buckling pressure of PSP was 129 % , 19 % , and 57 % higher, respectively.

62 On the basis of traditional quasistatic analytical method, stiffness for angular contact ball bearing of aeroengine is studied.

63 To reduce the lathe - bed and assure its stiffness requirement, a batten wall pore structure is designed.

64 After discussing method for integrating stiffness matrix and load embattle, they are integrated with'set - in - right - position'rule.

65 The authors show that the sensitivity of nonlinear structural response is discontinuous at the transition point of the material stiffness.

66 Stiffness matrix and load vector were founded on developing eigen-equation for wall element and applying principle of virtual work.

67 The results show that the impact actions of drop hammer on the model have triangular impulse shapes, whose max-values have a close relation to hammer momentum and the model stiffness.

68 For measuring the basicity , calcium stiffness and total hardness, a new successively titrating way is recommended.

69 Some problems are discussed, such as the mechanical mode and equivalent stiffness of horizontal bracing system, the deformation compatibility between the bracing and retaining wall.

70 This grade provides additional strength and stiffness over unfilled acetal grades while presenting a metal appearance surface.

71 Results Compared with PP1 group and PP2 group, PP3 group showed higher levels of carotid stiffness(Sentencedict.com ), and carotid strain and carotid distensibility were lower significantly.

72 Therefore, how to obtain the smallest equivalent mass in the condition of certain strength and stiffness is the object that the pantograph designers shall pursue.

73 Mechanics models of load constant acceleration, constant speed and constant deceleration are built considering stiffness change during load moving horizontally.

74 In the current harbour code, the formula of pile head stiffness is based on experience, and the error of the code value, compared with the measured value, is remarkable.

75 By using the concept of "cut and repair" together with matrix operation, the deformations of piles with variable stiffness can be conveniently analyzed.

76 The parameter identification of joining stiffness of rudder hydraulic servo mechanism can be done by using the direct method of characteristic equation anti problem.

77 The requirement for a good test fixture is maximum stiffness for the lightest possible weight.

78 These types of structural surfaces are the weak part of the rock mass. Their stiffness and strength are much smaller than the rock matrix material.

79 Results The specificity and accuracy were high, when pannus enhancement and morning stiffness or pannus enhancement and RF positive existed simultaneity.

80 The stiffness and modal analysis of the new type body structure which is designed according to the light weight demand is performed.

81 Polystyrene: Styrene offers excellent clarity and stiffness at an economical cost.

82 The structural stiffness matrix is the function of frequency because that the impedance function of the pile foundation changes with its frequency.

83 The relationship between submaximal activity of the lumbar extensor muscles and lumbar posteroanterior stiffness.

84 In the paper, analysis of strength and stiffness of a medium truck frame under bending mode and retorting mode are done.

85 Items tested included stiffness, viscosity, emulsion stability and overall acceptability consumer. Storage experiments were also conducted.

86 The influences of number of piles, the pile length, the space between piles, and the pile-soil relative stiffness factor on the characteristic of pile groups ware analyzed in a systematic way.

87 The calculation method of the unbalanced magnetic pull and its stiffness which are the key factors influencing the dynamic characteristics of generator rotors is proposed in this paper.

88 Transfer storey is considered as elastic member in time-history analysis, its lateral stiffness is taken to be equal to the equivalent stiffness.

89 In order to reduce the probability of failure, the influence of a gearwheel with staggering tooth on the meshing stiffness of gear with double circular arc was investigated.

90 In addition, non-linear stiffness of flexible coupling can change the natural frequencies of the rotating system.