The progress in field-portable and miniature mass spectrometry (MS) are reviewed, including the miniaturization efforts of various mass analyzers, the advancements of direct sample introduction and atmospheric-pressure ion source on in-situ fast analysis application, and the fabrication technique achievements of small vacuum system and ion detection.
便携化是质谱仪发展的重要方向之一,近年来,在各种质量分析器的小型化尝试,适用于户外分析的直接进样系统和大气压离子源的研究,以及紧凑式真空系统和检测器的制造工艺等方面都取得了不少成绩。
A kind of miniature Rogowski coil which measures high frequency and heavy current is introduced,and the principle of work of Rogowski coil is analyzed.
为适应电流测量的新要求,介绍了一种针对高频大电流测量的小型Rogowski线圈。
Based on analyzing assembly process characteristic of miniature military moulded case circuit breaker(MCCB),an assembly CAPP system for miniature military MCCB was developed.
在分析军用小型塑料外壳式断路器(MCCB)装配工艺特点的基础上,研究开发了军用小型MCCB装配CAPP系统。
Simulation of small-scale natural gas liquefaction flows in skid-mounted package;
小型撬装式LNG装置的流程模拟
Overall Design for Small-scale Rice Binder Supported with Hands;
小型手扶水稻割捆机的研究
This paper introduces with emphasis the process, characteristic, and related technique of small-scale multi - function polyester unit designed by the Institute of Urumuqi Petrochemical Complex and the Chemical Fibre Research Institute of Tianjin.
重点介绍了乌鲁木齐石化总厂设计院与天津市化学纤维研究所联合研究设计的小型多功能聚酯装置的流程、特点及相关技术。
The management of farmland which super-small scaled and scattered originates from the scarcity of soil resonces and contradiction between mass population and rare lands, as has set a serious barrier for agricultural growth.
超小型且极为分散的农地经营规模,源于土地资源的稀缺和人口众多的人地矛盾,已成为农业发展的严重障碍。