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    • 1. 发明申请
    • PREPARATION AND APPLICATIONS OF STABILIZED METAL NANOPARTICLES FOR DECHLORINATION OF CHLORINATED HYDROCARBONS IN SOILS, SEDIMENTS AND GROUNDWATER
    • 稳定金属纳米粒子在土壤,沉积物和地下水中氯化烃类脱氯的研究和应用
    • WO2007001309A2
    • 2007-01-04
    • PCT/US2005/023384
    • 2005-06-30
    • AUBURN UNIVERSITYZHAO, DongyeHE, Feng
    • ZHAO, DongyeHE, Feng
    • C02F1/58
    • C02F1/705B09C1/002B09C1/08C02F2101/36C02F2103/06Y10T428/12028
    • 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 oil 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,例如羧甲基纤维素钠。 纳米粒子本质上可以是单金属,双金属或多金属,但优选是双金属,其中它被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,其中制备金属纳米粒子和碳水化合物稳定剂的溶液,然后在惰性条件下还原纳米粒子。 还公开了还原脱氯氯化有机化合物的方法,其中制备还原的磁性金属纳米粒子,然后与氯化有机化合物接触以脱氯化合物。 优选地,将纳米材料注入诸如被氯化有机化合物污染的油下表面或地下水的位置以提供原位脱氯。
    • 6. 发明申请
    • AGGREGATING PRODUCT REVIEW INFORMATION FOR ELECTRONIC PRODUCT CATALOGS
    • 电子产品目录的产品回顾信息
    • WO2012129775A1
    • 2012-10-04
    • PCT/CN2011/072248
    • 2011-03-29
    • GOOGLE INC.HE, Feng
    • HE, Feng
    • G06F17/30G06Q30/00
    • G06F17/30489
    • [0051] A product catalog includes information regarding products for sale online by various merchants, including product review information. An analysis module collects product reviews and determines whether each product review includes a product identifier, such as a Global Trade Item Number ("GTIN"). For product reviews having a product identifier, the module adds the product review to the product catalog and associates the product review with the product identifier. For product reviews lacking a product identifier, the module initiates an Internet search using information from the product review and analyzes search results to identify a product identifier for the product review. If the analysis module identifies a product identifier for the product review, the analysis module adds the product review to the product catalog and associates the product review with the identified product identifier. The analysis module may discard product reviews that are not associated with a product identifier.
    • 产品目录包括关于各种商家在线销售的产品的信息,包括产品审查信息。 分析模块收集产品评论,并确定每个产品评估是否包含产品标识符,例如全球贸易项目编号(“GTIN”)。 对于具有产品标识符的产品评论,模块将产品评估添加到产品目录中,并将产品评估与产品标识相关联。 对于缺少产品标识符的产品评论,模块使用产品评论中的信息启动Internet搜索,并分析搜索结果,以识别产品评估的产品标识。 如果分析模块识别产品评估的产品标识符,则分析模块将产品评估添加到产品目录中,并将产品评估与标识的产品标识相关联。 分析模块可以丢弃与产品标识符不相关联的商品评论。