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- The results of electric field strength measurement and the fields distribution around medium and short wave AM radio antennas are reported. 本文报告某地中短波调幅广播发射天线周围电场强度测量结果及其分布。
- electric field strength measurement 电场强度测量
- It can be used for satellite broadcast received field strength measurements and in the evaluation and testing of CATV equipment. 它可用于卫星广播收到的电场强度测量,并在评估与测试的有线电视设备。
- Interference field strength measuring instrument 干扰场强测量仪表
- high frequency field strength measuring meter 高频场强测量仪
- radio interference field strength measuring instrument 无线电干扰场强测量仪
- Field strength consisted of two geologists. 野外人员包括两个地质人员。
- field strength measurement 场强测量
- A measure of polarising power is the field strength of an ion. 极化能力的度量单位是离子的场强。
- In order to obtain the field strength at the distance of 1.1km and 2.1km away from the railway, we discussed the field from two points of view: theoretical calculation and actual measurement. 为了获得某新建铁路及火车在 1 .;1km和 2
- Dimensional stability of sub-micron Al2O3 /2024Al composites was studied by means of micro-yield strength measurement and TEM analysis. 本文利用微屈服强度测试和透射电镜分析,研究了亚微米级Al_2O_3颗粒增强2024Al复合材料的尺寸稳定性。
- The main cause of error of strain measurement using electronic extensometer and its effects on the strength measurement in tensile tests of metallic materials was analyzed. 分析了电子引伸计应变测量误差形成的主要原因,以及对金属材料拉伸试验强度测试的影响,介绍了引伸计使用中的一些经验和注意事项。
- Methods 42 cases of infectivity rachitis with low field strength MRI were collected. To analyze the signal characterize. 方法收集42例感染性脊柱炎的低场强MR图像,分析其信号特征。
- Shield the magnetic field with an appropriate material for the frequency and field strength. 要根据磁场频率和强度选择合适的屏蔽材料。
- Space charge properties of FRP rod materials are influenced by temperature, field strength and high voltage application duration. 结果表明,在高压直流电场作用下,芯棒材料内部积累的空间电荷的极性和密度受到温度、电场强度和电场作用时间等因素的影响。
- Therefore, it's imminent for us to solve the problem of affiliation and metrology for microwave field strength. 因此,解决微波场强的量值溯源和计量问题已迫在眉睫。
- The influences of composite admixture on the cement properties, the hydrates and mechanism ofhydration were studied by means of mortar strength measurement, DTA, XRD, Pore structure andSEM analysis. 通过砂浆强度测试,差热分析,X射线衍射分析,孔结构测试及电子显微镜分析,探讨了复合外加剂对钢渣水泥性能的影响,研究了其水化产物和水化机理。
- Eulig N,Enders A,Krauth auser H G,and Nitsch J.Achievable field Strength in Reverberation Chambers. 张林昌.;混响室及其技术
- The paper introduces test indexes and test scheme of GSM-R field strength and selection of the instrument coneerned. 本文介绍了铁路专用通信GSM-R场强测试的指标、测试方案和仪表选用。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries