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管螺纹类型和名称 经 Colder Products Company 许可发布 综述 为了应用于紧固和液压系统，不同类型的螺纹相继问世。其中，液压回路中的塑料与金属、锥形/平行螺纹接头尤其引人关注。对此本文进行了讨论并给出了一些建议，以帮助了解不同类型的螺纹及其使用方式。 发展 19 世纪，液压和气动回路以及紧固部件需要各种各样的螺纹类型。因此，制造商开始自己设计紧固系统。这就导致了兼容性问题。英国机械工程师和发明家 Joseph Whitworth 爵士于 1841 年设计了一款统一的螺...

Hichrom Catalogue 9 HICHROM Chromatography Columns and Supplies Hichrom Limited 1 The Markham Centre Station Road Theale Reading Berks RG7 4PE UK Tel: +44 (0)118 930 3660 Fax: +44 (0)118 932 3484 Email: sales@hichrom.co.uk www.hichrom.co.uk Catalo...

Chemical Permeation Guide What is permeation? Permeation is the process by which a potentially hazardous chemical moves through a material on a molecular level. Molecules of chemical adsorb onto the outer surface of the material. They then enter a...

Hichrom Catalogue 9 HICHROM Chromatography Columns and Supplies Hichrom Limited 1 The Markham Centre Station Road Theale Reading Berks RG7 4PE UK Tel: +44 (0)118 930 3660 Fax: +44 (0)118 932 3484 Email: sales@hichrom.co.uk www.hichrom.co.uk Catalo...

Hichrom Catalogue 9 HICHROM Chromatography Columns and Supplies Hichrom Limited 1 The Markham Centre Station Road Theale Reading Berks RG7 4PE UK Tel: +44 (0)118 930 3660 Fax: +44 (0)118 932 3484 Email: sales@hichrom.co.uk www.hichrom.co.uk Catalo...

Contact Details Welcome to VWR International Ltd Opening hours Monday to Friday 09.00-17:00 Our webshop is open 24 hours a day Customer Service: 0800 22 33 44 Technical Product Support: 08081 96 37 69 Switchboard: 01455 55 86 00 Fax: 01455 55 85 8...

パイプのねじ山の種類と指定 Colder Products Company社の許可を得て掲載しています 概要 締結用および油圧システム用に、さまざまな種類のネジが開発されてきました。特に、油圧回路における樹脂と金属、テーパーと平行ネジの接合には注意が必要です。さまざまな種類のネジとその使用方法について認識を深めるための議論と提言がなされています。 進化 19世紀には、油圧および空圧回路と締結部品に多くの異なるタイプのねじ山が必要とされました。その結果、メーカーは独自の締結システムを考案し始...

PESTINORM® headspace solvents High purity solvents for organic volatile impurity analysis Static headspace GC (GC-HS) is a technique used to concentrate volatile analytes prior to analysis. It can improve detection of low levels of volatile analyt...

Chemical Permeation Guide What is permeation? Permeation is the process by which a potentially hazardous chemical moves through a material on a molecular level. Molecules of chemical adsorb onto the outer surface of the material. They then enter a...

PESTINORM® headspace solvents High purity solvents for organic volatile impurity analysis Static headspace GC (GC-HS) is a technique used to concentrate volatile analytes prior to analysis. It can improve detection of low levels of volatile analyt...

Hichrom Catalogue 9 HICHROM Chromatography Columns and Supplies Hichrom Limited 1 The Markham Centre Station Road Theale Reading Berks RG7 4PE UK Tel: +44 (0)118 930 3660 Fax: +44 (0)118 932 3484 Email: sales@hichrom.co.uk www.hichrom.co.uk Catalo...

Hichrom Catalogue 9 HICHROM Chromatography Columns and Supplies Hichrom Limited 1 The Markham Centre Station Road Theale Reading Berks RG7 4PE UK Tel: +44 (0)118 930 3660 Fax: +44 (0)118 932 3484 Email: sales@hichrom.co.uk www.hichrom.co.uk Catalo...

Hichrom Catalogue 9 HICHROM Chromatography Columns and Supplies Hichrom Limited 1 The Markham Centre Station Road Theale Reading Berks RG7 4PE UK Tel: +44 (0)118 930 3660 Fax: +44 (0)118 932 3484 Email: sales@hichrom.co.uk www.hichrom.co.uk Catalo...

Hichrom Catalogue 9 HICHROM Chromatography Columns and Supplies Hichrom Limited 1 The Markham Centre Station Road Theale Reading Berks RG7 4PE UK Tel: +44 (0)118 930 3660 Fax: +44 (0)118 932 3484 Email: sales@hichrom.co.uk www.hichrom.co.uk Catalo...

Hichrom Catalogue 9 HICHROM Chromatography Columns and Supplies Hichrom Limited 1 The Markham Centre Station Road Theale Reading Berks RG7 4PE UK Tel: +44 (0)118 930 3660 Fax: +44 (0)118 932 3484 Email: sales@hichrom.co.uk www.hichrom.co.uk Catalo...