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    • 2. 发明授权
    • Preparation and application of stabilized iron nanoparticles for dechlorination of chlorinated hydrocarbons in soils, sediments, and ground water
    • 稳定的铁纳米颗粒在土壤,沉积物和地下水中氯化烃脱氯的制备和应用
    • US07887880B2
    • 2011-02-15
    • US11571390
    • 2005-06-30
    • Dongye ZhaoFeng He
    • Dongye ZhaoFeng He
    • B05D7/00A62D3/34
    • C02F1/705B09C1/002B09C1/08C02F2101/36C02F2103/06Y10T428/12028
    • A stabilized, chemically reactive, metallic nano-material effective for degradation of chlorinated organic compounds in soils, sediments and groundwater. The nano-material is composed of a magnetic metal nanoparticle and a carbohydrate stabilizer bound to the nanoparticle. The preferred metal nanoparticle is iron and the preferred carbohydrate stabilizer is either a starch or a water soluble cellulose such as sodium carboxymethyl cellulose. The nanoparticle may be either mono-metallic, bi-metallic or multi-metallic in nature, but is preferably bi-metallic wherein it is coated with a secondary catalytic metal coating, preferably palladium. A method of making the metallic nano-material is further disclosed wherein a solution of the metal nanoparticle and carbohydrate stabilizer is prepared, and the nanoparticle is then reduced under inert conditions. A process for reductive dechlorination of chlorinated organic compounds is also disclosed wherein the reduced magnetic metal nanoparticle is prepared, and then contacted with a chlorinated organic compound to dechlorinate the compound. Preferably, the nano-material is injected into a site such as soil subsurface or groundwater contaminated with a chlorinated organic compound to provide in-situ dechlorination.
    • 稳定的化学反应性金属纳米材料有效降解土壤,沉积物和地下水中的氯化有机化合物。 纳米材料由磁性金属纳米颗粒和与纳米颗粒结合的碳水化合物稳定剂组成。 优选的金属纳米颗粒是铁,优选的碳水化合物稳定剂是淀粉或水溶性纤维素如羧甲基纤维素钠。 纳米颗粒本质上可以是单金属的,双金属的或多金属的,但优选是双金属的,其中涂覆有次级催化金属涂层,优选钯。 进一步公开了制备金属纳米材料的方法,其中制备金属纳米颗粒和碳水化合物稳定剂的溶液,然后在惰性条件下还原纳米颗粒。 还公开了氯化有机化合物的还原脱氯方法,其中制备还原的磁性金属纳米颗粒,然后与氯化有机化合物接触以使化合物脱氯。 优选地,将纳米材料注入诸如被氯化有机化合物污染的地下水或地下水等地点,以提供原位脱氯。
    • 3. 发明申请
    • Preparation and Applications of Stabilized Metal Nanoparticles for Dechlorination of Chlorinated Hydrocarbons in Soils, Sediments, and Ground Water
    • 稳定金属纳米粒子在土壤,沉积物和地下水中氯化烃脱氯的制备与应用
    • US20080190865A1
    • 2008-08-14
    • US11571390
    • 2005-06-30
    • Dongye ZhaoFeng He
    • Dongye ZhaoFeng He
    • C02F1/70A62D3/34C22C38/00C22C19/03C22C19/07C22C18/00C22C22/00C22C5/04
    • C02F1/705B09C1/002B09C1/08C02F2101/36C02F2103/06Y10T428/12028
    • A stabilized, chemically reactive, metallic nano-material effective for degradation of chlorinated organic compounds in soils, sediments and groundwater. The nano-material is composed of a magnetic metal nanoparticle and a carbohydrate stabilizer bound to the nanoparticle. The preferred metal nanoparticle is iron and the preferred carbohydrate stabilizer is either a starch or a water soluble cellulose such as sodium carboxymethyl cellulose. The nanoparticle may be either mono-metallic, bi-metallic or multi-metallic in nature, but is preferably bi-metallic wherein it is coated with a secondary catalytic metal coating, preferably palladium. A method of making the metallic nano-material is further disclosed wherein a solution of the metal nanoparticle and carbohydrate stabilizer is prepared, and the nanoparticle is then reduced under inert conditions. A process for reductive dechlorination of chlorinated organic compounds is also disclosed wherein the reduced magnetic metal nanoparticle is prepared, and then contacted with a chlorinated organic compound to dechlorinate the compound. Preferably, the nano-material is injected into a site such as soil subsurface or groundwater contaminated with a chlorinated organic compound to provide in-situ dechlorination.
    • 稳定的化学反应性金属纳米材料有效降解土壤,沉积物和地下水中的氯化有机化合物。 纳米材料由磁性金属纳米颗粒和与纳米颗粒结合的碳水化合物稳定剂组成。 优选的金属纳米颗粒是铁,优选的碳水化合物稳定剂是淀粉或水溶性纤维素如羧甲基纤维素钠。 纳米颗粒本质上可以是单金属的,双金属的或多金属的,但优选是双金属的,其中涂覆有次级催化金属涂层,优选钯。 进一步公开了制备金属纳米材料的方法,其中制备金属纳米颗粒和碳水化合物稳定剂的溶液,然后在惰性条件下还原纳米颗粒。 还公开了氯化有机化合物的还原脱氯方法,其中制备还原的磁性金属纳米颗粒,然后与氯化有机化合物接触以使化合物脱氯。 优选地,将纳米材料注入诸如被氯化有机化合物污染的地下水或地下水等地点,以提供原位脱氯。
    • 7. 发明授权
    • Resource measurement and reporting method in long term evolution system
    • 长期演化体系中的资源测量与报告方法
    • US08577386B2
    • 2013-11-05
    • US13133794
    • 2008-12-30
    • Yin GaoFeng He
    • Yin GaoFeng He
    • H04W72/00
    • H04W24/10
    • A method for measuring and reporting resource in a long term evolution system comprises: a source base station encapsulating a resource status request message and sending the message to a target base station; after receiving the resource status request message, the target base station processing the message, and sending a resource status success response to the source base station if the processing is successful, or else sending a resource status failure response if the processing is failed; the source base station encapsulating at least a message type (2), a measurement request type (3), a source base station global identifier (4) and measurement configuration information (5) in the resource status request message, wherein, the measurement request type (3) is one or more of start, modify and end (7); the measurement configuration information (5) is measurement configuration information (5) in current measurement request type (3). The method makes it convenient to start, modify or end the current measurement by the target base station during network operation after a plurality of resource status measuring and reporting are launched between base stations, and thus reducing the number of information exchange between base stations.
    • 一种用于在长期演进系统中测量和报告资源的方法包括:源基站封装资源状态请求消息并将消息发送到目标基站; 在接收到资源状态请求消息之后,目标基站处理该消息,并且如果处理成功则向源基站发送资源状态成功响应,或者如果处理失败则发送资源状态失败响应; 所述源基站在资源状态请求消息中至少封装消息类型(2),测量请求类型(3),源基站全局标识符(4)和测量配置信息(5),其中,所述测量请求 类型(3)是开始,修改和结束(7)中的一个或多个; 测量配置信息(5)是当前测量请求类型(3)中的测量配置信息(5)。 该方法使得在基站之间启动多个资源状态测量和报告之后,网络操作期间目标基站的启动,修改或结束方便,从而减少基站之间的信息交换次数。