1) beryllium-bronze QBe1.9
QBe1.9铍青铜
2) beryllium-bronze
铍青铜
1.
Cause analysis of cracking of front fracture of the beryllium-bronze bar during extrusion process;
铍青铜挤压棒材端头开裂的原因分析
2.
It is deformation contrast test with different pH indicator of quenching liquor by using macromolecule liquor PVA as beryllium-bronze's quenchant.
采用高分子溶液PVA作铍青铜淬火介质,用不同浓度淬火剂做形变对比试验,进行优选并通过金属变形机理分析,进行二次时效等方法,控制铍青铜复杂外形和薄壁件的变形量。
3.
The material of sense organ is beryllium-bronze,it has good elasticity,and fitting to make elastic vibration element,an accelerometer being sensed by capacitance was researched,the signal pickup circuit of dynamics sensor being sensed by differential capacitance was developed.
利用弹性良好的铍青铜为材料制作加速度计中的敏感振动元件,研制出电容敏感式加速度计。
3) beryllium bronze
铍青铜
1.
Study on the organization and performance of the product extruded from beryllium bronze;
铍青铜正向挤压制品组织与性能的研究
2.
Bending technology of beryllium bronze parts and design of the die;
铍青铜零件弯曲工艺及模具设计
3.
Fracture cause and technology improvement method of beryllium bronze spring;
铍青铜弹簧卡片断裂原因分析及工艺改进措施
4) beryllium bronze QBe2
铍青铜QBe2
5) Be-bronze
铍青铜
1.
when component and material state were not changed, Be-bronze's mechanical properties depend on the heat treatment technology and relevant microstructure.
研究了热处理对铍青铜组织和性能的影响,结果表明当成分和材料状态一定时,铍青铜的力学性能主要取决于热处理工艺相应的组织。
6) Be-bronze,beryllium copper,beryllium bronze,glucinium bronze
铍青铜<冶>
补充资料：宾得fa43mmf1.9limited
宾得fa 43mm f1.9 limited基本参数
镜头结构 6组7枚
对焦方式 自动
焦距 43 mm
aps焦距 64.5 mm
卡口类型 宾得卡口
宾得fa 43mm f1.9 limited光学参数
最大光圈 1.9
最小光圈 22
最近对焦距离 0.45 m
最大放大倍率 0.12 倍
滤镜口径 49 mm
镜头直径 64 mm
镜头长度 27 mm
镜头重量 155 g
镜头类型 定焦
镜头用途 标准镜头
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条