The fiber / resin / aluminum alloy laminated composites are designed and fabricated according to the relationship between structure and property of shell 本文从贝壳的结构与性能关系上得到启发,设计制备了玻璃纤维pc树脂ly12铝合金叠层复合材料。
The shell films were prepared the films by pulse laser deposition ( pld ) with one kind of the shells and the structures and the properties of the shell films were measured 分析各种不同贝壳的微结构,将贝壳应用激光溅射的方法制备成膜,并测量其膜的结构及光学性质。
Multilayer composite is a kind of obdurability material , which is imitative of the framework of shell in the nature . this kind composite is especially attractive because of its high toughness 叠层材料是人们模拟自然界贝壳的结构设计出的一种仿生结构强韧化的材料,由于具有较高的韧性而倍受关注。
Regarding the need of some elders at sai lau kong to collect shells , fishing permits would not be issued as the deadline for yan chau tong marine park fishing permit was passed 有关一些西流江的老人家没有收集贝壳的许可证的个案,由于印洲塘海岸公园捕鱼许可证的期限已过,除有特殊理由截止日期后不会签发新捕鱼许可证。
There was a time when our people covered the land as the waves of a wind - ruffled sea cover its shell paved floor , but that time long since passed away with the greatness of tribes that are now but a mournful memory 我们的人民曾一度像大风搅乱的大海覆盖着布满贝壳的海床一样覆盖着这片土地,但是,那时代早已同庞大的部落一道成为过去,而那些部落现在只不过是一桩令人忧伤的回忆。
Not that all architectural ornament is to be neglected even in the rudest periods ; but let our houses first be lined with beauty , where they come in contact with our lives , like the tenement of the shellfish , and not overlaid with it 这倒不是说一切建筑的装饰甚至可以在最初的阶段里完全忽略掉;而是说可以把我们房屋里和我们生活有联系的部分搞得美一点,就像贝壳的内壁那样,但千万不能搞得过分的美。