摘要：【中文】本发明提供了一种基于智能终端的音频电路及音频播放系统，所述音频电路包括：内置模块，设于一智能终端内，与所述智能终端主板及USB接口连接，接收所述智能终端主板发出的控制信号及音频信号，根据所述控制信号的状态向所述智能终端USB接口转发所述音频信号；外置模块，设于一音箱内，通过所述音箱USB接口与所述智能终端连接，接收所述内置模块转发的音频信号并播放音频。采用上述技术方案后，在所述智能终端USB接口上实现通信功能、充电功能以及音频播放功能的集成，无需额外的音频接口，节省音频硬件接口所需的结构空间；使用外放音箱实现更好的听觉效果。 【EN】The invention provides an audio circuit and an audio playing system based on an intelligent terminal, wherein the audio circuit comprises: the built-in module is arranged in an intelligent terminal, is connected with the intelligent terminal mainboard and the USB interface, receives a control signal and an audio signal sent by the intelligent terminal mainboard, and forwards the audio signal to the intelligent terminal USB interface according to the state of the control signal; the external module is arranged in a sound box, is connected with the intelligent terminal through the sound box USB interface, receives the audio signal forwarded by the internal module and plays audio. After the technical scheme is adopted, the integration of a communication function, a charging function and an audio playing function is realized on the USB interface of the intelligent terminal, an additional audio interface is not needed, and the structural space required by an audio hardware interface is saved; a better hearing effect is achieved using the play-out box.

摘要：【中文】本发明公开了一种二噁英抑制剂自适应给料系统及方法。所述系统，包括SO₂和HCL检测系统、控制器、变频给料机、以及用于储存二噁英抑制剂的储料罐、送料风机、启闭阀门。所述方法包括：(1)监测余热锅炉300～400℃温度段内烟气中SO₂实测小时浓度均值和HCl实测小时浓度均值，并计算出实测硫氯摩尔比；(2)通过实测硫氯摩尔比和目标硫氯摩尔比范围获取二噁英抑制剂小时投加量，使得实测硫氯摩尔比处于目标硫氯摩尔比范围内；(3)根据二噁英抑制剂小时投加量，在余热锅炉400～500℃温度段投加所述二噁英抑制剂。本发明占地面积小、操作简单，且可根据烟气监测结果调整抑制剂用量，针对性强、抑制效果佳。 【EN】The invention discloses a system and a method for self-adaptive feeding of a dioxin inhibitor. Said system comprising an SO₂And the system comprises an HCL detection system, a controller, a variable-frequency feeder, a storage tank for storing the dioxin inhibitor, a feeding fan and an opening and closing valve. The method comprises the following steps: (1) monitoring SO in flue gas in 300-400 ℃ temperature section of waste heat boiler₂Actually measuring the hour concentration mean value and the HCl actually measured hour concentration mean value, and calculating the actually measured sulfur-chlorine molar ratio; (2) obtaining the hour adding amount of the dioxin inhibitor through the actually measured sulfur-chlorine molar ratio and the target sulfur-chlorine molar ratio range, so that the actually measured sulfur-chlorine molar ratio is in the target sulfur-chlorine molar ratio range; (3) and adding the dioxin inhibitor at the temperature of 400-500 ℃ in a waste heat boiler according to the hourly adding amount of the dioxin inhibitor. The invention has small floor area and simple operation, can adjust the dosage of the inhibitor according to the flue gas monitoring result, and has strong pertinence and good inhibition effect.

摘要：【中文】本发明公开了一种自动快速消解食品样品的方法，属于食品卫生理化检验技术领域。本发明采用全自动石墨消解仪对食品样品进行消解，所述消解过程中需要在消解管上盖上配套的盖子，消解管身底部1/4～1/2位于石墨孔内加热。本发明克服了目前食品样品消解方法的缺点，如干法消解的时间长、易污染、不适用测定砷、汞、锡、硒等易挥发性元素等缺点；湿法消解的酸使用量大、酸使用种类多、消解时间长、空白值大、易污染环境、不适用测定汞元素等缺点；微波消解的高压炸管风险、消解样品量小、拧罐和清洗罐劳动强度大等缺点。 【EN】The invention discloses a method for automatically and rapidly digesting a food sample, and belongs to the technical field of food hygiene physicochemical inspection. The food sample is digested by a full-automatic graphite digestion instrument, a matched cover is required to be covered on a digestion tube in the digestion process, and the bottom 1/4-1/2 of the digestion tube body is positioned in a graphite hole for heating. The method overcomes the defects of the existing food sample digestion method, such as long digestion time by a dry method, easy pollution, inapplicability of measuring volatile elements such as arsenic, mercury, tin, selenium and the like; the method has the defects of large acid consumption, multiple acid types, long digestion time, large blank value, easy environmental pollution, inapplicability for measuring mercury element and the like in wet digestion; the microwave digestion has the defects of low risk of high-pressure tube explosion, small digestion sample amount, high labor intensity of tank screwing and cleaning, and the like.

摘要：【中文】本发明实施例公开了一种电磁阀，通过在电磁阀上增加通断反馈电路，电磁阀打开时，使反馈电路接通，电磁阀可向飞行器反馈电压信号，电磁阀关闭时，使反馈电路断开，电磁阀输出电压为零；另外，在电磁阀内部运用杠杆原理，将电磁铁的吸力通过杠杆放大输出给活门，以减小电磁阀对电能的消耗并提高电磁阀活门密封压力。本发明实施例利用电磁阀通道的接通和断开实时向飞行器反馈电压信号，解决了传统电磁阀在使用过程中无法有效甄别其通断的问题，提高了电磁阀的实用性。 【EN】The embodiment of the invention discloses an electromagnetic valve, wherein an on-off feedback circuit is additionally arranged on the electromagnetic valve, when the electromagnetic valve is opened, the feedback circuit is switched on, the electromagnetic valve can feed back a voltage signal to an aircraft, when the electromagnetic valve is closed, the feedback circuit is switched off, and the output voltage of the electromagnetic valve is zero; in addition, a lever principle is applied to the interior of the electromagnetic valve, the suction force of the electromagnet is amplified and output to the valve through the lever, so that the consumption of the electromagnetic valve on electric energy is reduced, and the sealing pressure of the electromagnetic valve is improved. According to the embodiment of the invention, the voltage signal is fed back to the aircraft in real time by switching on and off the electromagnetic valve channel, so that the problem that the traditional electromagnetic valve cannot be effectively discriminated on and off in the use process is solved, and the practicability of the electromagnetic valve is improved.