High strength high modulus PVA fiber has the advantages of big specific work of rupture, good stickability and low price.
高强高模pva纤维具有断裂比功大、易于粘接、价格低廉等优点。
Objective! To assess the effect of low dose vasopressin and nitroglycerin in treatment of esophageal gastrom varicosis rupture hemorrhage.
目的对小剂量垂体后叶素联用硝酸甘油治疗食管胃底静脉曲张破裂出血疗效作出评价。
With good transversal rupture strength and wear resistance, it is suitable for low-speed rough turning and milling of heat resistanct alloys, titanium alloys and of plastics glass well.
具有很高的抗弯强度和良好的耐磨性能，适用与低速粗车和铣削耐热合金、 钛合金，也可加工玻璃钢。
With data obtained from low temperature bending and bending creep test, a simple calculation method is given for calculating rupture energy.
应用低温弯曲和弯曲蠕变试验所得数据，给出了破坏能的简单计算方法。
It was found that the room-temperature fracture of the under-aged 3j21 alloy was of a dimple, while the low-temperature fracture assumed a mixed rupture feature.
结果表明：欠时效态3J 21合金的室温断口为韧窝断口，而低温断口呈现混合断裂特征。
Conclusions: VATS treatment of spontaneous pneumothorax caused by bullae rupture in the elderly is a low-risk surgery, with a comparatively small trauma, quick recovery and satisfactory results.
结论：VATS治疗老年人肺大疱破裂致自发性气胸手术风险低、创伤小、恢复快、疗效满意。
Conclusions: VATS treatment of spontaneous pneumothorax caused by bullae rupture in the elderly is a low-risk surgery, with a comparatively small trauma, quick recovery and satisfactory results.
结论：VATS治疗老年人肺大疱破裂致自发性气胸手术风险低、创伤小、恢复快、疗效满意。
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