AIM: To observe the effect of binding on the mechanical characteristics of bursting pressure and tensile strength after laser vascular anastomosis with binding. 目的:观察粘合剂对激光血管吻合的耐压强度与抗拉强度等力学特性的影响。
Regulating the pressure helps protect the interior pipes from leaking or bursting due to pressure surges in the plumbing system. 调节压力有助于防止渗漏或爆裂,由于管内压力管道系统中的浪涌。
Controlling roof accidents and preventing the occurrence of bursting underground pressure are the priorities and difficulties to mine deeper isolated pillar face. 控制顶板事故,防范冲击矿压的发生是开采埋深较大的孤岛煤柱工作面的重点和难点。
The bursting of a pressure tube may cause serious accidents. 压力管爆裂可能造成严重事故。
The results show that the device is simple in construction and facility in operation, the bursting pressure of ABS pipes at various temperatures can be measured effectively. 结果表明:试验装置结构简单、操作方便,可有效地测出不同温度下ABS的爆破压力;
It was also found that the bursting pressure is linearly varied with diameter d of center circle of inner ring small hole, and bursting coefficient K is a constant for given material. 同时发现膜片的爆破压力与内圈小孔中心圆直径d呈线性变化关系,爆破系数K对一定材料是一定值。
It was found that the bursting pressure formula was accurate and could be used for engineering design of the flat ribbon wound pressure vessels with calculation examples. 通过实例计算发现,爆破压力公式具有较高的精度,可为该类容器工程设计时参考使用。
A simple calculation formula of the axial bursting pressure of the flat ribbon wound pressure vessels was given by using the rigid plastic model and Tresca yield condition. 采用刚塑性模型和Tresca屈服条件,给出扁平绕带式压力容器轴向爆破压力的简便计算公式。
The bursting pressure test proves that the air spring made from this rubber mold has a pressure limit of 2.3 MPa. 用该模具生产的空气弹簧,经爆破极限气压力试验达2.3MPa,符合设计要求。该方案还可用于种类多、小批量的特殊用途的空气弹簧制造。
Bursting Failure Classification of the Oil Pressure Pipes and Its Assessment Methods 石油压力管道断裂破坏分类及其评定方法
Experiments shew that, the bursting pressure of hole-slot flat rupture discs calculated by the formula proposed well met with the engineering requirements. 实验结果表明,用本文公式计算孔槽型平膜片的爆破压力,完全符合工程要求。
Evaluation of bursting pressure and safety life of non-ferrous metal rupture discs 有色金属防爆膜的爆破压力及安全寿命的计算
In this paper, an engineering calculating method is proposed to evaluate the bursting pressure with the ultimate tensile strength and strain of the material used, which is more simple and accurate. 本文提出一种按照材料的极限拉伸强度及应变以计算爆破压力的工程计算方法。此法较简便且较精确。
Bursting Pressure Test of ABS Engineering Plastics Pipe ABS工程塑料管爆破压力的测试
Bursting pressure of the stomas was measured in groups A and D. 测定A、D组吻合口破裂压。
1d, 3d, 7d, and 14d, after the operation, the differences in vascular bursting pressure and tensile strength between laser with binding and laser welding were observed. 术后1,3,7,14d,分别测试血管吻合口耐压强度与抗拉强度变化。
Calculation of Bursting Pressure for Ultra-high Pressure Vessel 超高压容器爆破压力计算
In this paper we employed the nonlinear finite element method to calculate the stress and bursting pressure of filament wound rocket motor case. 本文采用大变形有限元方法进行纤维缠绕固体火箭发动机壳体的应力及爆破分析。
The anastomotic bursting pressure and breaking strength, hydroxyproline content and histology were measured as indicators of wound healing. 观察吻合口破裂压力、吻合口抗张力强度、吻合口羟脯氨酸浓度和组织学。
Studies on the Probability Distribution of Bursting Pressure for the Steel Bottle Liquidized Petroleum Gas 液化石油气钢瓶爆破强度的概率分布研究
Can survey to experiment the container bursting pressure; 能测定试验容器爆破压力;
Has established the determination well section plane rock mechanics parameter, the in-situ stress value, the bursting pressure and so on multi-parameters well logging interpretation software, proposed determines the western Sichuan compact sandstone reservoir bursting pressure the new appraisal formula. 编制了确定井剖面岩石力学参数、地应力值、破裂压力等多参数的测井解释软件,提出了确定川西致密砂岩储层破裂压力的新评价公式。
A bursting test unit of normal temperature and high temperature water pressure was made, and the bursting pressure of ABS pipes was derived. 设计、制造了塑料管常温及高温水压爆破测试装置,对ABS管进行了不同温度下的水压爆破试验,得到了ABS管的爆破压力。
High-dose Vitamin A plus corticosteroid group ( preoperatively or postoperatively): Bursting pressure, the quantity of neutrophil and fibroblast, collagen deposition, newly generated capillaries, and abdominal adhesions were remarkably increased; 皮质类固醇+高剂量维生素A组(术前或术后给药):与皮质类固醇组相比,小肠爆破压明显升高,中性白细胞、成纤维细胞、胶原沉积、新生的毛细血管、腹腔粘连明显增加。
Improvement on Bursting Specimen Appliance of High Pressure Vessel 高压容器爆破试件装置的改进
Results: Anastomotic bursting pressure, anastomotic breaking strength and hydroxyproline content in EN+ GH group were higher than that in control and EN groups. 结果:EN/GH组吻合口破裂压力、抗张力强度和羟脯氨酸含量明显高于对照组和EN组,组织学结果表明,EN/GH组组织愈合较好。
An Analysis on Bursting Accidents of Beer Purifying Pressure Vessel 净酒罐爆破事故分析
Objective: To study the difference of bursting pressure after laser and artificial suture vascular anastomosis. 目的:观察激光血管吻合和缝线血管吻合术吻合血管后耐压强度的变化,探讨不同吻合方法对血管功能恢复的影响及其原因。
According to failure mechanism, the theoretical prediction method of failure time and bursting pressure of the steel-made CNG cylinder is put forward in an accidental fire environment. 通过失效机理分析,提出了意外火灾环境下钢瓶爆破失效时间点与爆破失效压力的理论预测方法。