摘要:
A process for selective oxidative dehydrogenation of a hydrogen-containing CO mixed gas, comprising contacting a hydrogen-containing CO mixed gas raw material with at least one catalyst entity having an increased activity gradient disposed in a reactor under at least one reaction condition chosen from a reaction temperature ranging from 100 to 300° C., a volume space velocity ranging from 100 to 10000 h−1, and a reaction pressure ranging from −0.08 to 5.0 MPa, wherein the molar ratio of oxygen to hydrogen in the raw material ranges from 0.5:1 to 5:1.
摘要:
A filter media for liquid particulate filtration applications is provided. The filter media includes a substrate and fine fibers, which are compressed together.
摘要:
A coalescing media includes a compressed composite filter media comprising substrate layers and hydrophilic fine fiber layers for separating free water emulsified in fuels.
摘要:
A magnetic data storage medium may include a substrate, a magnetic recording layer, a protective carbon overcoat, and a monolayer covalently bound to carbon atoms adjacent a surface of the protective carbon overcoat. According to this aspect of the disclosure, the monolayer comprises at least one of hydrogen, fluorine, nitrogen, oxygen, and a fluoro-organic molecule. In some embodiments, a surface of a read and recording head may also include a monolayer covalently bound to carbon atoms of a protective carbon overcoat.
摘要:
A method for drying sludge comprising the following steps: (a) Dry dehydrated sludge to obtain a carrier for drying sludge (6); (b) Transport the carrier for drying sludge (6) and dehydrated sludge to be dried (1) to a stirring and mixing apparatus (2) for stirring and mixing and thereby obtain mixed sludge; (c) Transport the mixed sludge (3) to a drying apparatus (4) for drying; (d) Repeat steps (b) and (c); characterized in that in said step (d) a portion of the mixed sludge (3) obtained from the stirring and mixing apparatus (2) which is in an amount determined by amount of sludge carrier (6) required for drying is extracted and transported to the drying apparatus (4) for drying and the rest of the mixed sludge is discharged as final product (7).
摘要:
A card edge connector for receiving a module, includes an elongated insulative housing having a pair of side walls, a central slot extending therebetween for insertion of the module, a plurality of terminals positioned in the side walls and extending into the central slot; and a pick-up member having a fixing portion and a connect portion connecting the fixing portion. the insulative housing includes a latch pair of portions formed on opposite ends thereof and disposed at an outer sides of the terminals along a lengthwise direction thereof, the latch portion fixes with the fixing portion of the pick-up member.
摘要:
A measuring system (100) for flatness degree measurement includes a measuring instrument (10) and a processing device (20). The measuring instrument has a base (12), a guide column (14), a sliding member (16), a digital micrometer (18) and a holding member (19). The guide column is vertically attached to the base. The sliding member is moveably attached to the guide column. The digital micrometer is firmly fastened to the sliding member. The holding member is configured for fixing a workpiece (40) and has a reference-standard surface formed thereon. The processing device electronically connects with the digital micrometer. The processing device receives a plurality of measured values from the digital micrometer and displays a testing result after processing the measured values.
摘要:
A testing system (100) is used to test a flip-type electronic device (80). The electronic device includes a cover (802) and a main body (801). A hinge (803) connects with the cover and the main body. The testing system includes a base (10), a plummer (20), a flipping device (30) and a control device (40). The plummer is fixed on the base for locking the electronic device. The flipping device is fixed on the base for opening and closing the cover of the electronic device. The control device includes an optical fiber sensor (42) for sensing the movement of the cover of the electronic device. The control device connects with the flipping device so as to control the flipping device.
摘要:
An apparatus includes a substrate, a recording layer on the substrate, and a nanocomposite layer on the recording layer, the nanocomposite layer including a wear-resistant material and a solid lubricant material, wherein the atomic percentage of the solid lubricant material in the nanocomposite layer is in a range from about 5% to about 99%. A method of making the apparatus is also provided.
摘要:
An exemplary testing mechanism (100) is used for testing for a sufficiency of a casing 90. The testing mechanism includes a framework (20) and a testing module (40). The framework includes a base board (21) and a pillar (26). One end of the pillar is mounted on the base board. The testing module includes a main board (42) and at least one testing pin (44). The main board is slidably mounted on the pillar. A bottom end of the testing pin is slidably mounted to the main board. A top end of the testing pin is positioned adjacent to the base board of the framework. The at least one testing pin is located in a position corresponding to at least one mounting hole of a sufficient casing.