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国标《光热玻璃反射镜面形测试方法》【共12页,附下载】

  • 2026-06-27 05:18:43
国标《光热玻璃反射镜面形测试方法》【共12页,附下载】

国家标准《光热玻璃反射镜面形测试方法》，标准号：GB/T 34334-2017，归口部门：中国建筑材料联合会，自2018年9月1日起实施。

该标准共分为8部分（12页），本标准规定了基于条纹反射原理的光热反射镜面形测试方法的术语和定义、符号、测试原理、仪器、测试过程、参数计算和试验报告。

本标准适用于槽式、碟式、塔式用太阳能光热反射镜面形的测试。

附下载：GB/T 34334-2017 《光热玻璃反射镜面形测试方法》.PDF

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  1. CONNECT:[ UseTime:0.000844s ] mysql:host=127.0.0.1;port=3306;dbname=no_yeyulingfeng;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000641s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.005462s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.011493s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000690s ]
  6. SELECT * FROM `set` [ RunTime:0.000270s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000548s ]
  8. SELECT * FROM `article` WHERE `id` = 484653 LIMIT 1 [ RunTime:0.009563s ]
  9. UPDATE `article` SET `lasttime` = 1782526181 WHERE `id` = 484653 [ RunTime:0.007704s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.008202s ]
  11. SELECT * FROM `article` WHERE `id` < 484653 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.002944s ]
  12. SELECT * FROM `article` WHERE `id` > 484653 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.005159s ]
  13. SELECT * FROM `article` WHERE `id` < 484653 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.017808s ]
  14. SELECT * FROM `article` WHERE `id` < 484653 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.025987s ]
  15. SELECT * FROM `article` WHERE `id` < 484653 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.031595s ]
0.285624s