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    • 54. 发明申请
    • METHOD FOR REMOVING AMMONIA NITROGEN IN COKING WASTEWATER
    • 在废水中去除氨氮的方法
    • US20110203998A1
    • 2011-08-25
    • US12672095
    • 2008-07-25
    • Hongqiang RenLili DingTao Zhang
    • Hongqiang RenLili DingTao Zhang
    • C02F1/58C02F1/68C02F1/52
    • C02F1/5254C02F1/025C02F1/5236C02F1/66C02F9/00C02F11/10C02F11/121C02F2101/16C02F2103/16C02F2103/365
    • A new method for removing ammonia nitrogen in coking wastewater is disclosed in this invention. It comprises steps as follow: introducing coking wastewater into a reaction pool into which magnesium and phosphate are added; adding sodium hydroxide to regulate the PH of the mixture around 9.0-10.5; separating the supernatant and the precipitate after proper agitation and natural precipitation; dehydrating the precipitate and then adding alkaline fly ash, water to the dehydrated precipitate and stirring the mixture; decomposing the mixture with heating and absorbing the ammonia gas thereof produced with acidic solution. In consideration of high concentration of ammonia nitrogen in coking wastewater, this invention aims at quick and efficient treatment. The concentration of ammonia nitrogen in treated water meets the highest discharge standard stipulated in [China National] Integrated Wastewater Discharge Standard (GB8978-96). Meanwhile, this invention provides a new way for beneficial utilization of the alkaline fly ash as well. The chemicals adopted for wastewater precipitation in this invention can be recovered for recyclable use, which consequently cuts down the total cost of the wastewater treatment.
    • 在本发明中公开了一种在焦化废水中除去氨氮的新方法。 包括以下步骤:将焦化废水引入加入镁和磷酸盐的反应池中; 加入氢氧化钠调节混合物的PH值在9.0-10.5左右; 在适当搅拌和自然沉淀后分离上清液和沉淀物; 将沉淀物脱水,然后加入碱性飞灰,将水加入脱水沉淀中并搅拌混合物; 通过加热分解混合物并吸收其用酸性溶液产生的氨气。 考虑到焦化废水中高浓度的氨氮,本发明旨在快速有效地处理。 处理水中氨氮浓度符合“中国国家综合污水排放标准”(GB8978-96)规定的最高排放标准。 同时,本发明也提供了有益地利用碱性飞灰的新途径。 在本发明中用于废水沉淀的化学品可以回收用于可回收利用,因此降低了废水处理的总成本。
    • 55. 发明授权
    • Fixed point FIR filter with adaptive truncation and clipping and wireless mobile station using same
    • 具有自适应截断和剪切的固定点FIR滤波器和使用相同的无线移动台
    • US07986932B1
    • 2011-07-26
    • US10299730
    • 2002-11-19
    • Tao Zhang
    • Tao Zhang
    • H04B1/10
    • H03H17/06
    • A fixed point finite impulse response (FIR) filter comprising: 1) an input stage for receiving an input signal as a sequence of input samples comprising: i) delay elements connected in series for receiving and shifting N sequential input samples; ii) multipliers, each multiplier receiving a selected one of the N sequential input samples from the delay elements and multiplying the selected input sample by a corresponding coefficient to produce an intermediate product; and iii) a summer for receiving and adding N intermediate products from the multipliers to produce an output sum signal comprising a sequence of output sum samples; and 2) an output stage for truncating k least significant bits (LSBs) from each of the output sum samples, wherein k is a variable number.
    • 1.一种固定点有限脉冲响应(FIR)滤波器,包括:1)输入级,用于接收输入信号作为输入样本序列,包括:i)串联连接的延迟元件,用于接收和移位N个顺序输入样本; ii)乘法器,每个乘法器从延迟元件接收N个顺序输入样本中的选定的一个,并将所选择的输入样本乘以相应的系数以产生中间乘积; 以及iii)用于从所述乘法器接收和添加N个中间产品的加法器,以产生包括输出和样本序列的输出和信号; 以及2)用于从每个输出和样本截取k个最低有效位(LSB)的输出级,其中k是可变数。
    • 56. 发明申请
    • METHOD AND A SYSTEM FOR PREVENTING A NETWORK STORM FROM PRESENTING IN A MULTI-RING ETHERNET
    • 一种用于防止网络存在于多环网中的方法和系统
    • US20110116365A1
    • 2011-05-19
    • US12921435
    • 2009-01-05
    • Shaoyong WuHong ShaoTao Zhang
    • Shaoyong WuHong ShaoTao Zhang
    • G06F11/07
    • H04L12/437
    • A method and a system for preventing a network storm from presenting in a multi-ring Ethernet, the method comprises: when a link in the multi-ring Ethernet is failed, at most one ring protecting link is unblocked, the ring protecting link and the failed link being in a same logic area. Wherein each link in the multi-ring Ethernet belongs uniquely to one logic area, when a link in the multi-ring Ethernet is failed, a master node of a logic area to which the failed link belongs unblocks a ring protecting link; or each link in the multi-ring Ethernet respectively belongs to one or more logic areas, each logic area is set with a priority, when a link in the multi-ring Ethernet is failed, the ring protecting link of one logic area which contains the failed link and has a highest priority is unblocked by the master node of the logic area.
    • 一种用于防止网络风暴呈现在多环以太网中的方法和系统,所述方法包括:当多环以太网中的链路发生故障时,最多一个环保护链路被解除阻塞,环网保护链路和 失败的链接在同一个逻辑区域。 其中多环以太网中的每个链路唯一地属于一个逻辑区域,当多环以太网中的链路发生故障时,故障链路所属逻辑区域的主节点解除阻塞环保护链路; 或多环以太网中的每个链路分别属于一个或多个逻辑区域,则当多环以太网中的链路发生故障时,每个逻辑区域优先设置,包含一个逻辑区域的环保护链路 故障链路和最高优先级被逻辑区域的主节点解除阻塞。