共查询到12条相似文献,搜索用时 78 毫秒
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丙泊酚(propofol),其化学名为2,6-双异丙基苯酚,是目前临床上普遍用于麻醉诱导、麻醉维持、ICU危重病人镇静的一种新型快速、短效静脉麻醉药。它具有麻醉诱导起效快、苏醒迅速且功能恢复完善,术后恶心呕吐发生率低等优点。研究 相似文献
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目的:为观察小剂量芬太尼和咪唑安定对吸入七氟醚快速麻醉诱导的影响.方法:40倒患者随机分两组.分别于吸入七氟醚后5min(Ⅰ组)和吸前2min(Ⅱ组)静注小剂量芬太尼(2μ g/kg)及咪唑安定2mg,以6L/min氧气和8%七氟醚吸入诱导,待呼束七氟醚浓度达.5MAC时给罗库溴铵0.6~0.8mg/kg静注,肌松完善后气管插管.监测患者血压,呼吸、心率,血氧饱和度、BIS位.评价插管条件.结果:病人意识消失时间第1纽87±57s,较第2组(39±11s)明显延长(P<0.01);深呼吸次数第Ⅰ组14.0±5.5次;较第2组(4.0±0.7次)明显增多(P<0.01).第2t组BlS值插管时变化较小(p<0.05).第2蛆病人诱导及插管过程中血流动力学变化相砷较小.结论:在小剂量芬太尼及咪唑安定静注基础上吸入七氟醚行麻醉诱导其插管反应更小,临床效果更佳. 相似文献
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面对目前铁矿石纷繁复杂的国际贸易形势,我国尚缺乏有效的战略保护和协调机制,缺乏基础性的综合质量信息平台,在进口铁矿贸易中,我国常处于较为被动的地位,使国家经济利益得不到应有的保障、国内企业遭受巨大的损失。为此,开发进口铁矿石信息系统,通过全面收集、统计、整理和分析进口铁矿质量检验和贸易信息,为不同类型的用户提供功能完备的浏览和查询,满足不同层次的需求。 相似文献
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我国轧制方法生产层状金属复合材料的研究现状 总被引:1,自引:0,他引:1
轧制是生产层状金属复合材料的主要手段,该方法价格低廉,性能可靠。文章综述了轧制方法生成异种金属复合板的方法工艺及相应机理,总结了国内应用最为广泛的碳钢-不锈钢复合板的轧制生产工艺的研究现状和发展方向。 相似文献
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20世纪末,随着中国改革开放和中国经济的飞速发展,如何进行高校英语改革,提高毕业生外语水平、培养复合型人才,成为推进我国贸易和促进国际交流中的核心问题之一。因此,外语教育改革成为我国教育改革的重中之重。 相似文献
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Drawing upon theories governing micro-institutions and strategic actions on resources, this study proposes a model suitable for assessing the antecedents and consequences of “Internet-Based Channel Orientation” (IBCO) on the operations of domestic companies of moderate or lesser size. Investigation focused primarily on the entrepreneurial capability (ENCAP) of such firms and industrial competition (INDCOM) as predictors of the IBCO of a business. Analysis was conducted as to whether IBCO contributed to heightened market sensing capability (MKTSENSE) and indirectly reinforced competitiveness. To this end, data was sourced from 198 firms based in Nigeria, typically micro-, small- and medium-sized businesses. Statistical analysis indicated that IBCO had a stronger and direct effect on encouraging the fluency of operations at small- and medium-sized enterprises. However, IBCO in combination with a competitive advantage was insufficient to attain competitiveness, the magnitude of such an effect being indirectly anchored to the MKTSENSE of the firm. This study highlights that businesses need to invest in Internet marketing tools and employ them effectively to stay competitive over the long term. 相似文献