From its first commercial development in the late 1870s, on through some slight tweaks to size and shape, the bulb has been a glass-and-filament mainstay for more than 130 years.
从它第一次作为商品在19世纪70年代出售以来，这130多年灯泡一直都是由玻璃和灯丝构成，只在尺寸和形状方面经历了一些微小的变化。
Based on the analysis of the structure, size, and actual work efficiency of an ion source filament insulator in ion implantation system, an optimization design of the filament insulator is presented.
通过对离子注入机离子源灯丝绝缘子的结构、尺寸、实际工作效果等方面的分析，提出了一种注入机离子源灯丝绝缘子的优化设计。
In addition, with the increasing distance between the filament and the substrate, the crystalline volume fraction and the grain size of poly-Si films notablely decrease.
另外，随着热丝与衬底间距的增大，沉积出的多晶硅薄膜样品的晶化率明显减小，薄膜的晶粒尺寸也相应减小。
There are remarkable relations between the size of wrinkles and the cocoon reelability, the length of non broken cocoon filament.
缩皱粗细与解舒率、解舒丝长呈极显著的正相关性。
The size of the filament is also controlled by varying the rate at which the filaments are pulled away from the hole by the godet wheel.
长丝的直径还与导丝盘从喷丝头孔引离长丝时的速度有关。
Under the condition of same crystallinity, the size of crystallites, has a little effect on the flexibity of the filament.
在相同结晶度下，微晶尺寸对尼龙-6单丝柔软度影响不大。
It is coated with a silane-based size and is designed for reinforcing epoxy resin with filament winding and pultrusion processes.
表面涂覆硅烷基浸润剂，适用于增强环氧树脂，可用于缠绕、拉剂等玻璃钢成型工艺。
It is coated with a silane-based size and is designed for reinforcing epoxy resin with filament winding and pultrusion processes.
表面涂覆硅烷基浸润剂，适用于增强环氧树脂，可用于缠绕、拉剂等玻璃钢成型工艺。
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