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Copyright of Petroleum Geology & Recovery Efficiency is the property of Petroleum Geology & Recovery Efficiency and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Food Safety & Quality is the property of Journal of Food Safety & Quality Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Glass fiber paper is a kind of excellent non-flammable, heat and sound insulation, filterable materials, which is widely used in high-speed rail, aerospace and marine areas. This paper mainly explored pore diameter distribution, air permeability, heat and sound insulation property of glass fiber paper prepared of beating by wet process with different diameter fiber . The results show that with the increase of content of fine glass fiber of paper, the average pore diameter and air permeability decrease firstly and then increase ,the thermal conductivity of paper decrease firstly and increase subsequently, the sound transmission loss of paper increase firstly and decrease subsequently. With the ratio of 50% crude fiber and 50% fine fiber, the glass fiber paper had the best heat and sound insulation properties. [ABSTRACT FROM AUTHOR]

Copyright of Computer Measurement & Control is the property of Magazine Agency of Computer Measurement & Control and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objectives To observe the NMDA receptor subunit 2B and iNOS expression in rat striatum by injected methamphetamine （MA） and HIV-Tat protein and to explore the synergies of MA and HIV-Tat on neural injury mechanisms. Methods A total of 50 healthy male SD rats were randomly divided into four groups: MA group which received intraperitoneal injection of 10 mg/kg MA by twice per day for 4 days，HIV- Tat group which received intrastriatal injection of 10 μg HIV- Tat，MA + HIV-Tat group which received intraperitoneal injection of MA for 4 days and followed by intrastriatal injection of HIV- Tat），and control groups which received intraperitoneal or intrastriatal injection of saline. The rats were killed at 48 h or 7 d after the last time of injection．NMDA receptor subunit 2B and iNOS expression were examined by using immunohistochemistry and western blotting. The results were analyzed and average optical density was measured. Results Compared with those in control group， NMDA receptor subunit 2B and iNOS expression in rat striatum increased in the experimental groups （P ＜0.05） . Compared with those in MA group or HIV-Tat group， NMDA receptor subunit 2B and iNOS expression increased more significantly in MA + HIV-Tat group．Conclusion Synergies of MA and HIV-Tat protein can dramatically increase the expression of NMDA receptor subunit 2B and iNOS. NMDA acceptor subunit 2B and iNOS can participate in the process of MA and the HIV-Tat protein synergy nerve toxic mechanism. [ABSTRACT FROM AUTHOR]