1) visual basic 4.0
VISUALBASIC4.0
3) chromium(VI)
铬(VI)
1.
Removal of vanadium(V) and chromium(VI) from high concentration sodium phosphate solution was studied by ion-exchange technology, focusing on the influential factors of resin characters, adsorption temperature, pH value and ratio of solid to liquid.
采用静态吸附实验研究了离子交换法深度脱除高浓度Na3PO4水溶液中微量钒(V)和铬(VI),考察了树脂性质、吸附温度、吸附pH值和固液比对钒(V)、铬(VI)吸附的影响。
4) chromium(VI)
Cr(VI)
1.
According to the mechanism of extraction chromium(VI) by the liquid membrane and the improved advancing front model, a simple and practical kinetics model for mass transfer was established.
基于液膜法提取Cr(VI)的传质机理,对改进的渐进前沿模型进行简化,建立了简单、实用的Cr(VI)动力学传质模型。
5) uranium(VI)
铀(VI)
6) sub VI
子VI
补充资料:宾得fa20-35mmf4.0al
宾得fa 20-35mm f4.0 al基本参数
镜头结构 8组10枚
对焦方式 自动
焦距 20-35 mm
aps焦距 30-52.5 mm
卡口类型 宾得卡口
宾得fa 20-35mm f4.0 al光学参数
最大光圈 4.0
最小光圈 22
最近对焦距离 0.3 m
最大放大倍率 0.16 倍
滤镜口径 58 mm
镜头直径 69.5 mm
镜头长度 68 mm
镜头重量 245 g
镜头类型 变焦
镜头用途 广角镜头
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