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BS EN 4652-312-2015 航空航天系列同轴射频连接器 3型 N界面夹紧螺母组件版本方形凸缘插座产品标准 Aerospace s...2023-05-11

DL/T 2151.3-2020 岸基供电系统第3部分：变频电源 Shore-based power supply systems - Part 3: Variable frequency ...2023-05-11

SJ 20915-2004400.Hz静止变频电源通用规范General specification for 400Hz static frequency converter power-supp...2022-06-13

SJ 20585-1996微波频率计通用规范General specification for microwave frequency counter2022-06-12

SJ 50976/13-1999BMA-JFD型(接微带)插针接触件法兰安装射频同轴插座连接器详细规范Conectors,receptacle,coaxial,ra...2022-06-12

SJ/T 10911-1996SL12型视频连接器Video frequency connectors,Type SL122022-06-12

YD/T 943.3-2009射频同轴连接器第3部分:T2.8(C3)型Radio-frequency coaxial connector Part 3: Type T2.8(C3)...2022-06-12

GB/T 4857.10-2005包装运输包装件基本试验第10部分;正弦变频振动试验方法Packaging—Basic tests for transport ...2022-06-10

JJG 420-1986高频标准零电平表检定规程High Frequency Standard Level Meter2022-06-10

SJ 50681/80-1999BMA-KF5Y型(接柔软电缆)插孔接触件法兰安装射频同轴插座连接器详细规范Conectors,receptacle,coaxi...2022-06-09

SJ 382-1973反射速调管频率的可重调性的测试方法Measurement of frequency resettability of reflex klystrons...2022-06-06

SJ 51065/7-2002GTP004A、GTP023A、GTP029A型普通同轴射频隔离器详细规范GPT004A、GPT023A、GTP029A type ordinary ...2022-06-05

SJ 50681/20-1994BNC系列(不接电缆)插孔接触件法兰安装2级射频同轴插座连接器详细规范Connectors,receptacle,coaxia...2022-06-05

DIN EN 303348-2021Audio frequency induction loop drivers up to 45 amperes in the frequency range 10 Hz to 9 ...2022-03-31

GB/T 13697-2021二氧化铀粉末和芯块中碳的测定高频感应炉燃烧-红外检测法Determination of carbon in uranium oxid...2022-03-14

GB/T 22712-2021变频电机用G系列冷却风机技术规范Technical specification for G series cooling fans applying to ...2022-03-14

GB/T 40592-2021电力系统自动高频切除发电机组技术规定Technical rules for automatic over-frequency generator tr...2022-03-14

GB/T 40596-2021电力系统自动低频减负荷技术规定Technical rules for automatic under-frequency load shedding in ...2022-03-14

GB/T 40595-2021并网电源一次调频技术规定及试验导则Guide for technology and test on primary frequency control ...2022-03-14

Mode entropy and dynamical analysis of irregularity for HFECG2020-12-06

Vibration analysis of wind tunnel support2020-12-06

黏胶纤维厂冷却循环水系统变频节能改造2020-11-10

变频调速技术在电厂循环水系统中的应用2020-11-10

EFFECTS OF LIQUID COMPRESSIBILITY ON RADIAL OSCILLATIONS OF GAS BUBBLES IN LIQUIDS2020-09-15

风机变频改造节能技术2020-09-13

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