首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
Analytical apparatus
摘要
For measuring dioxins and organic nitro compounds with high sensitivity while reducing complexity, efficiently ionize a sample using negative corona discharge; then, make use of a mass spectrometer to measure negatively charged ions produced.
申请公布号
US2003020013(A1)
申请公布日期
2003.01.30
申请号
US20020232718
申请日期
2002.09.03
申请人
HITACHI, LTD.
发明人
SAKAIRI MINORU
分类号
G01N27/62;G01N27/68;H01J49/04;H01J49/10;H01J49/26;(IPC1-7):H01J49/04
主分类号
G01N27/62
代理机构
代理人
主权项
地址
您可能感兴趣的专利
RIDING TYPE SOWING DEVICE FOR PADDY RICE
TRAVELING MACHINE BODY FOR COMBINE
FERTILIZER APPLYING AND SOWING DEVICE FOR PADDY RICE
Fabry-Perot multiwavelength infrared filter with artificial dielectric
Fluid dynamic pressure bearing
Hybrid vehicle
Method for abstracting messages of various protocols into objects for storage in a database
Security system for network address translation systems
Method for increasing stand-by time in portable radiotelephones
System of communicating output function status indications between two or more power system protective relays
Cyclic conjugated diene polymer and method of producing same
Pump tree stand
Insulation barrier
Method for printing on index divider sheet assemblies and the like
Fluidized bed filter
Trenching tool and method
Method and apparatus for treating neurodegenerative disorders by electrical brain stimulation
Polyolefin film exhibiting heat resistivity, low hexane extractives and controlled modulus
Retainer for the die pin in an accumulator head
Method for making a tubular product