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    • 6. 发明授权
    • Cellular landfill process and apparatus
    • 蜂窝填埋过程和设备
    • US5201609A
    • 1993-04-13
    • US734796
    • 1991-07-23
    • Paul H. Johnson
    • Paul H. Johnson
    • B09B1/00E02D31/00
    • E02D31/002B09B1/00
    • The present invention is directed to a process and apparatus wherein municipal refuse, and many other types of solid waste, are disposed of in a landfill repository that maintains them in a dry state indefinitely. This eliminates most environmental and many cost problems. The principal design feature of this landfill is its cellular internal structure, which has rows of contiguous, rectangular water- and gas-tight cells that are built on top of one another to form a high, multi-layered structure. These cells are simultaneously constructed and filled with solid waste in a series of short, incremental wall berm construction and filling steps on a one-cell-at-a-time basis in the top layer of the landfill. The sides of the structure and the tops of the cells in the top layer are continuously protected from rain infiltration by impervious covers, and uncontaminated rain waters, leachates, leakage, and gases are separately withdrawn from the system on a cell-by-cell basis by an internal plumbing and monitoring system. Biodegradation is used in cells in the top layer to produce methane gas.
    • 本发明涉及一种方法和装置,其中将城市垃圾和许多其它类型的固体废物处理在垃圾填埋库中,将其无限期地保持在干燥状态。 这消除了大多数环境和许多成本问题。 该垃圾填埋场的主要设计特征是其蜂窝内部结构,其具有连续的矩形水和气密电池排,其彼此顶部构成以形成高的多层结构。 这些电池同时构造并填充固体废物,这些固体废物在垃圾填埋场的顶层中以一个单元为单位的一系列短的,增量的墙壁施工和填充步骤。 顶层的结构侧面和顶部的细胞被不透水的盖子连续地防止雨渗入,未受污染的雨水,渗滤液,渗漏物和气体在逐个基础上分别从系统中抽出 通过内部管道和监控系统。 生物降解用于顶层的细胞中以产生甲烷气。
    • 9. 发明授权
    • Fixed-volume injector with backflush capability
    • 具有反吹能力的固定量注射器
    • US5652398A
    • 1997-07-29
    • US609223
    • 1996-03-01
    • Paul H. Johnson
    • Paul H. Johnson
    • G01N30/02G01N30/08G01N30/16G01N30/20G01N30/38G01N30/40G01N30/60G01N30/00
    • G01N30/60G01N30/16G01N30/20G01N30/40G01N2030/025G01N2030/085G01N2030/205G01N2030/385G01N2030/402G01N30/6095
    • A fixed-volume injector assembly having backflush capability is useful for injecting a sample into a gas chromatograph. The injector assembly has a sampling mode of operation, an injection mode of operation and a backflush mode of operation. In the sampling mode, sample is drawn into sampling chamber (11). In the injection mode, sample is injected into an injection channel which conducts the sample to a destination stream. In the backflush mode, carrier fluid flows through the injector assembly in the opposite direction. The injector assembly is designed to connect to precolumn (28) and analytical column (20) so that, in the backflush mode, precolumn (28) is backflushed. Advantages of the injector assembly include the ability to pressurize the sample before injection and to use a single carrier fluid source. In addition, the flow channels of the injector assembly are readily miniaturized.
    • 具有反吹能力的固定量的注射器组件可用于将样品注入气相色谱仪中。 喷射器组件具有采样操作模式,喷射操作模式和反吹操作模式。 在取样模式下,将样品吸入取样室(11)。 在注射模式中,将样品注入到将样品传导到目标流的注入通道中。 在反吹模式下,载体流体沿相反方向流过喷射器组件。 喷射器组件被设计成连接到预柱(28)和分析柱(20),使得在反冲模式中,预柱(28)被反冲洗。 注射器组件的优点包括在注射之前对样品加压并使用单载体流体源的能力。 此外,喷射器组件的流动通道容易地小型化。