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GB/T 25042-2010 玻璃纤维建筑膜材拉伸试验

作者：來源：发布日期： 2020.10.16

信息摘要：

GB/T 25042-2010 玻璃纤维建筑膜材拉伸试验

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GB/T 25042-2010 玻璃纤维建筑膜材拉伸试验说明

玻璃纖維建築膜材是以無堿玻璃纖維織物爲基材浸漬聚四氟乙烯後制成的玻璃纖維塗塑布，用于建築物或構築物。分爲內膜與外膜。本標准規定玻璃纖維建築膜材的試驗方法、檢驗規則等，拉力試驗機作爲試驗設備用來測試其力學性能。

需检测项目包括：拉伸断裂强力（按GB/T 7689.5的规定）、折叠后的拉伸断裂强力、撕裂强力等。

標准附錄A是“玻璃纖維建築膜材折疊後的拉伸斷裂強力的測定”；

標准附錄B是“玻璃纖維建築膜材的撕裂性能的測定”

三思泰捷電子萬能試驗機CMT1104，即可完全满足GB/T 25042-2010 玻璃纤维建筑膜材拉伸试验要求。

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The Curate, of course, had heard nothing about the Clockwork man's other performances; he had scarcely heeded the hints thrown out about the possibility of movement in other dimensions. It seemed to him, in the uncertain light of their surroundings, that the Clockwork man's right arm gradually disappeared into space. There was no arm there at all. Afterwards, he remembered a brief moment when the arm had begun to grow vague and transparent; it was moving very rapidly, in some direction, neither up nor down, nor this way or that, but along some shadowy plane. Then it went into nothing, evaporated from view. And just as suddenly, it swung back into the plane of the curate's vision, and the hand at the end of it grasped a silk hat. Good fitting is often not so much a question of skill as of the standard which a workman has fixed in his mind, and to which all that he does will more or less conform. 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The place given to mathematics as the foundation of a right intellectual training is most remarkable, and shows how truly Plato apprehended the conditions under which knowledge is acquired and enlarged. Here, as in other respects, he is, more even than Aristotle, the precursor of Auguste Comte. He arranges the mathematical sciences, so far as they then existed, in their logical order; and his remarks on the most general ideas suggested by astronomy read like a divination of rational mechanics. That a recommendation of such studies should be put into the mouth of Socrates is a striking incongruity. The older Plato grew the farther he seems to have advanced from the humanist to the naturalistic point of view; and, had he been willing to confess it, Hippias and Prodicus were the teachers with whom he finally found himself most in sympathy. We are told that when his end began to approach, the dying philosopher was pressed to choose a successor in the headship of the School. 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