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Latest researches in preparation of hexaaluminate catalysts were reviewed, especially the raw material and preparation technology, including co-precipitation, sol-gel and microemulsion methods.
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摘要综述了近年来六铝酸盐催化剂的研究近况，重点介绍了其制备材料及制备技术，包括共沈淀法、溶胶－凝胶法和微乳法。 |
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Latest trojan in the block : supports SIN , both ways connection , LAN bypass , very small server created by builder. keylogger , filemanager , funstuff , flipper , undetected for now.
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简介：一个少见的，服务端很小的木马程序，可以穿过防火墙，2种连接方式，键盘记录，文件管理，开玩笑的功能，不能被查杀。 |
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Latex Curved Pillows is unique artistically and ergonomically designed pillows can adjust and correct your sleeping posture and fully relax your brain, joints and muscles, greatly improving the quality of your sleep.
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根据人体曲线独特美工学原理所研制出的此款造型，不但可以调整和矫正您的睡姿，还可以让您的大脑和每个关节及每块肌肉部能得到充分的放松，最大值地提高您的睡眠质量。 |
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Latex and polyurethane condoms do not let STD viruses pa through, so they offer good protection from STDs.
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橡胶和聚氨酯避孕套都可以阻断性传播疾病病毒传染，所以可以有效地防止性病传播。 |
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Latex and polyurethane condoms do not let STD viruses pass through, so they offer good protection from STDs.
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橡胶和聚氨酯避孕套都可以阻断性传播疾病病毒传染，所以可以有效地防止性病传播。 |
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Lathe spindle is used by either inverter or servo motor.
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车床可采变频主轴或伺服主轴。 |
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Lathes, milling machines, drill presses, boring machines, grinding machines, tureet punches, flame or wire-cutting machine, welding machines, and even pipe benders are available with numerical controls.
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车床、铣床、钻床、镗床、磨床、六角孔冲床、火或线切割机、焊机、甚至弯管机都已有数控型的。 |
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Latin America has its share of poor performers, with Venezuela, Brazil and Mexico all in the worst 10.
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一些拉美国家的情况也很差，像委内瑞拉、巴西和墨西哥，排名都在倒数前10名之内。 |
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Latin America is likely to maintain its recent FDI recovery.
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拉美地区可能保持现有的外国直接投资复苏。 |
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Latin America is talking about it.
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拉美将此事列入了议事日程。 |
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Latin America's future is uncertain.
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拉丁美洲的未来难以预料。 |
