1)  document glass
"保护文件(用)玻璃,吸收紫外线"
2)  Bao
“保”
1.
Textual Research on Connotations of Du,Bao,Tuan in the Ming Dynasty:A Case Study of Fujian Province;
明代“都”、“保”、“团”含义考析——以福建地区为例
3)  bao
1.
Forerunner of Education of‘Bao’ ——Female ‘Bao’in Jin Writing of the Western Zhou Dynasty;
保教的先驱——西周金文中的女“保”
2.
This paper argues that the character fu should be interpreted as bao保(lit, guarantee) by its graphical form, pronunciation and semantic meaning, the divining terminologies and sacrificial culture in the Shang and Zhou dynasties, examples cited from the literature in the pre-Qin period.
本文尝从文字之形、音、义,商周之卜辞成语、祭祀文化,先秦之文献征例,及《易》之卦象、辞例诸项,论证"孚"当训作"保",以就正于方家。
4)  health protection and warmth retention
保健保暖
5)  heat and moisture insulating
保温保湿
1.
The number of concrete cracks will be reduced and the dam quality will be improved effectively by adopting appropriate heat and moisture insulating material and implementation scheme.
选用合适的保温保湿材料以及实施方案,可以有效地减少混凝土裂缝的发生,提高大坝工程质量。
6)  reservation protection
保留保护
参考词条
补充资料:UV-531紫外线吸收剂
    商品名UV-531紫外线吸收剂。浅黄色结晶体。分子量336.21。密度1.160g/cm3。熔点49℃。微溶于二氧乙烷。溶于苯、乙醇、正己烷、丙酮。低毒。
    生产方法:采用合成法。以溴正辛烷和2,4-二羟基二苯甲酮为原料,在丙酮、碳酸钾存在下进行合成,再经过滤、浓缩、重结晶、再次过滤而得。
    用途:紫外线吸收剂。主要用于防晒类和晒黑类化妆品。能有效地吸收波长为300-375μm的紫外线。光稳定性优良。添加量通常不超过5%。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。