transform ion cyclotron resonance mass spectrometry, ft-icr)等为代表的高分辨率质谱(high resolution mass spectrometry...(time-of-flight mass spectrometry, tof)、轨道离子阱质谱(orbitrap mass spectrometry, orbitrap)和傅里叶变换离子回旋共振质谱(fourier
北极星电力网获悉,近日,国家能源局批准《地热井井身结构设计方法》等326项能源行业标准、《code for seismic design of hydraulic structures of hyower...项能源行业标准修改通知单,详情如下:国家能源局公告2021年第5号根据《中华人民共和国标准化法》《能源标准化管理办法》,国家能源局批准《地热井井身结构设计方法》等326项能源行业标准(附件1)、《code for
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l, et al. soil contamination in china: current priorities, defining background levels and standards for...li x n, cundy a b, chen w p, et al. systematic and bibliographic review of sustainability indicators for