该系统是一款集成了多种功能的空气质量监测设备，适用于人防地下室等密闭环境中的空气质量检测。仪器能够实时监测一氧化碳、二氧化碳、氨气、有毒气体及氧气浓度，并具备温度、湿度监测功能。其内置单片机微机，支持数据记录与标定，可通过键盘设置 ...

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Get the annual and quarterly balance sheet of NH3CLEAN FPO [NH3] (NH3.XA) including details of assets, liabilities and shareholders' equity.

Abstract: This paper is concerned with the development and evaluation of a number of modelling techniques which improve Qucs Harmonic Balance simulation performance of RF compact device models.

各类煤气分析仪（焦炉煤气、转炉煤气、高炉煤气、有色金属煤气、电厂）——焦炉煤气氧分析仪；转炉煤气分析仪；高炉煤气分析仪；半水煤气分析仪；煤气氧分析仪；煤粉仓、煤磨器出口一氧化碳、氧气分析仪；转炉煤气中氧气、一氧化碳分析仪；高炉煤气 ...

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Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K.

Lying on my back with an eye mask on, I sense a silly, happy grin forming on my face. It could be relief that the active phase of my first taste of “deep dive” breathwork is over. Or maybe something ...