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Selecting protection materials 选材
Incontestably,more and more green environmental protection materials and cleaning power will be used in our daliy life. 不可否认，越来越多的绿色环保材料和清洁能源将用于我们的日常生活中。
A few protection types for VCB operation over-voltage are analyzed and compared, and some suggestions for selecting protection types in engineering design are given. 分析比较了在高压厂用电系统中保护真空断路器操作过电压的几种方式，提出在工程设计中采用何种保护方式的建议。
A therapeutic or protective material applied to a wound. 敷料敷在伤口的治疗药物或保护材料
To obtain statutory copyright protection， materials must be published with the copyright notice， which takes the form of the word "copyright" or the abbreviation "copr. 版权可以向版权注册机构登记，那么国会图书馆将提供经版权注册作品的复印件。如果某人侵犯了标有版权标志的版权，他可能仅仅被禁止其日后侵权；
To achieve high quality decoration, good design, qualified environmental protection materials and good construction teams are three indispensable requirements. 要实现优质装潢，好的设计，合格的环保材料和良好的施工队伍三者缺一不可。
Shielding performance and test methods of protection material against X-rays. 射线防护材料屏蔽性能及检验方法.
Materials used include: environmental protection material (EPE, Silicon rubber, rubber PVC) and so on. 所用材料包括：环保材料（EPE、硅利康胶、橡胶PVC)等等。
Its satin finish is very easy to clean and, unlike most fire protection materials, does not cause dust. In the unlikely event of mechanical damage easy-to-use repair kits available. 与大多数防火材料不同,该产品的漆面光滑,很易清洁,且不生尘,万一发生机械事故,提供有容易使用的修理工具。
Among them, the sales income steel material is 13 billion yuan, magnetisable material 1 billion yuan, and environmental protection materials 500 million yuan. 其中，钢铁材料销售收入130亿元，磁性材料销售收入10亿元，环保材料销售收入达到5亿元。
How to mark again on building materials commodity? 2, use completely " environmental protection material " still change contaminative bridal chamber, does the problem go be in? 在建材商品上又如何标识？二、全用“环保材料”仍换来污染新房，问题出在哪？
The Principle to Select Protection Relay for Motor 如何选择电动机保护继电器
Here in the construction of chariots gunnysack, wire, and other protective materials raft, becoming part of the dust. 在建筑立柱上绑上麻袋、铁丝网、竹排等防护材料，挡掉一部分灰尘。
Other protecting materials such as asphalt, colophony, ceramics can also be cut. 还能实现对沥青、树脂、陶瓷类保护层等多种材料的切割;
In this thesis, the reaction such as tritylation, p-tosylation, chlorization and acetylation were used in the selective protection of the hydroxyls of carbohydrate. 本论文通过三苯甲基化反应、对甲基苯磺酰化反应、氯代反应及乙酰化反应研究了糖中羟基的选择性保护，同时还研究了糖番的合成及甲壳素的降解反应。
Experimentation of surface protection material for flexible continuous sucker rod. 柔性连续抽油杆表面防护材料的试验研究。
On the compounding formula of the surface protection material of the flexible continuous sucker rod. 柔性连续抽油杆防护材料配方研究。
Undeniable, more and more green environmental protection material and clean energy will be used in our daily life. 不可否认，越来越多的绿色环保材料和清洁能源将用于我们的日常生活中。
"Anti-irradiation Cover Glass for Astrospace" is a protection material for silicon solar battery on Space Craft. 空间用抗辐照玻璃盖片是一种用于太空飞行器上硅太阳能电池表面的防护材料。
The relic protection material B72 was developed by modifying acrylic resin with benzotriazole UV absorber. 研制了苯并三唑类紫外线吸收剂改性丙烯酸树脂文物保护材料。