Chaplets, long part of the metalcaster’s trade, are metal spacers that support cores in a manner illustrated by Fig.1. They are used when the casting design makes it impossible to provide adequate core prints or when the core is likely to sag, float or shift position as molten metal enters the mold.
Chaplets are made of mild steel, sheet or cast metal. They are tin-coated (hot dipped or electroplated) to prevent their oxidation and subsequent contamination of the melt. Uncoated high nickel alloys also are used to produce chaplets. Continue reading Chaplets: useful but potential trouble sources.
Category Archives: MEMO
自己动手制造iPhone短信回收站
Add QQ protocol for Empathy (ubuntu12.04)
文件名中空格换为点 rename
Ubuntu 中修改文件名命令rename 支持正则表达式,用法有:
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CUE 文件格式
cue文件(cuesheet)是指光盘映像(镜像)辅助文件或称标记文件,按照文本文件格式编制。它在刻录光盘映像文件时,起很重要的作用。它可以指挥刻录软件刻什么格式,刻录那些内容,从哪里开始,到哪里结束,附加什么信息等等、等等。有了cue文件,既可以减少刻录的准备工作以提高刻录效率,又可以保证刻录的准确性。
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XP PPT resolustion
要大于96 dpi分辨率导出图片需添加注册表值:
1. 退出PPT
2. 运行regedit
3. 展开下面项:
HKEY_CURRENT_USERSoftwareMicrosoftOffice11.0PowerPointOptions
4. 选中“Options”项,在“编辑”菜单上指向“新建”,然后单击“DWORD”值
5. 键入ExportBitmapResolution, 然后按Enter
6. 选中ExportBitmapResolution,修改键值为300
7. 单击”十进制“,单击确定,退出注册表
mp3 linux 乱码
cmwap cmnet mms
IMAP gmail
| Incoming Mail (IMAP) Server – requires SSL: | imap.gmail.com Use SSL: Yes Port: 993 |
| Outgoing Mail (SMTP) Server – requires TLS: | smtp.gmail.com (use authentication) Use Authentication: Yes Use STARTTLS: Yes (some clients call this SSL) Port: 465 or 587 |
| Account Name: | your full email address (including @gmail.com) Google Apps users, please enter username@your_domain.com |
| Email Address: | your full Gmail email address (username@gmail.com) Google Apps users, please enter username@your_domain.com |
| Password: | your Gmail password |
ubuntu-stardict-Dictionary Installation
StarDict will search the dictionary files at “~/.stardict/dic” and “/usr/share/stardict/dic”, and search tree dictionary files at “~/.stardict/treedict” and “/usr/share/stardict/treedict”