排序方式: 共有84条查询结果,搜索用时 15 毫秒
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讨新式剖宫产(腹壁横切口剖宫产)的价值。取耻骨联合上3cm横向切开皮肤10-12cm,钝性分离分下脂肪及腹直肌,横向撕开腹膜,可吸收缝合线连续缝合子宫肌层,褥式加固,不缝合腹膜,可吸收缝合线缝合筋膜层及部分皮下脂肪,4号丝线间断褥式全层缝合皮肤及皮下脂肪3针,用艾力斯钳夹对合皮肤3分钟,术后5天拆线,出院,与同期腹壁纵切口子宫下段剖宫产(传统式)进行比较。新式剖宫产手术时间短、术中出血量少、术后排气时间短、疼痛轻、病率低、住院时间短、经济等特点。与传统性比较差异有显著性(p出血的防治:子宫切口高低、大小适当切口长宜10-12cm;及时娩出胎盘并清理宫腔;胎儿娩出后及时清理宫腔;仔细缝合切口及临近器官的裂伤;子宫乏力性出血可应用子宫腔内纱布条填塞或子宫次全切除。母体的损伤:包括阴道裂伤、切口撕裂、膀胱损伤、阔韧带血管裂伤、输尿管损伤等一经发现及时缝合。胎儿损伤:切开子宫时如入刀过深可损伤胎儿头、面、肢体和躯干皮肤,为避免损伤切开子宫时应直视下由浅入深渐次切开。 相似文献
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2011年北京晚报推出的《江山》特刊获得广大读者的一致好评,作为制作团队的一员,我参与了"北京寻迹"版组的制作报道.在整个特刊的制作过程中,我曾遇到过一些困难,比如如何把握历史的脉搏,如何在浩瀚繁杂的史料中选取适当的题材.更主要的是,如何做出符合北京晚报特色的特刊. 相似文献
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Characterization and separation of Cryptosporidium and Giardia cells using on-chip dielectrophoresis
Narayanan Unni H Hartono D Yue Lanry Yung L Mah-Lee Ng M Pueh Lee H Cheong Khoo B Lim KM 《Biomicrofluidics》2012,6(1):12805-1280514
Dielectrophoresis (DEP) has been shown to have significant potential for the characterization of cells and could become an efficient tool for rapid identification and assessment of microorganisms. The present work is focused on the trapping, characterization, and separation of two species of Cryptosporidium (C. parvum and C. muris) and Giardia lambia (G. lambia) using a microfluidic experimental setup. Cryptosporidium oocysts, which are 2-4 μm in size and nearly spherical in shape, are used for the preliminary stage of prototype development and testing. G. lambia cysts are 8–12 μm in size. In order to facilitate effective trapping, simulations were performed to study the effects of buffer conductivity and applied voltage on the flow and cell transport inside the DEP chip. Microscopic experiments were performed using the fabricated device and the real part of Clausius—Mossotti factor of the cells was estimated from critical voltages for particle trapping at the electrodes under steady fluid flow. The dielectric properties of the cell compartments (cytoplasm and membrane) were calculated based on a single shell model of the cells. The separation of C. muris and G. lambia is achieved successfully at a frequency of 10 MHz and a voltage of 3 Vpp (peak to peak voltage). 相似文献
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多年来,国内的晚报以社会、文化、体育新闻和副刊见长,经济报道一直是条短腿。缺了经济报道这条腿的晚报如何与都市报竞争呢?答案只有一个:加强晚报的经济报道。这既是为了迎接市场竞争的需要,也是满足读者日益提高的阅读口味的需要,更是实现晚报均衡发展的需要。首要定位是大众化经济报道有广义和狭义之分。狭义上 相似文献
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Reshma PATIL Aizi Nor Mazila RAMLI Ang Shu XUAN Ng Zhi XIN Nur Izyan Wan AZELEE Prakash BHUYAR 《Journal of Zhejiang University. Science. B》2024,(4):293-307
平菇(Pleurotus spp.)是全球最广泛栽培的蘑菇品种之一。本研究旨在探讨合生元对Pleurotus ostreatus和Pleurotus pulmonarius生长和品质的影响。通过每日对蘑菇样品喷洒不同浓度的合生元,测量其生长参数、产量、生物效率、近似成分、矿物质含量、总酚含量和二苯基-1-三硝基苯肼(DPPH)自由基清除活性。结果表明,使用喷洒菊粉和干酪乳杆菌的合生元,平菇的产量最高(56.92克),生物效率也最高(12.65%)。菊粉和干酪乳杆菌的组合最为高效,可以同时提高两种样品蘑菇的生长性能和营养成分。此外在白平菇(P.ostreatus)中,菊粉和干酪乳杆菌组合的合生元可产生最高的总酚含量(20.550 mg GAE/g DE),而在灰蘑菇(P. pulmonarius)中产生最高总酚含量的是干酪乳杆菌(1.098 mg GAE/g DE),其次是菊粉和干酪乳杆菌(1.079 mg GAE/g DE)。DPPH结果表明,平菇可以作为一种有效的抗氧化剂。综上,合生元可通过增加酚类化合物的含量来提高蘑菇的抗氧化能力,并通过增加矿物质元素的含量来提供更好的健康益处,从... 相似文献
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ABC在我国建筑业应用的障碍 总被引:2,自引:0,他引:2
ABC的应用有其特定条件和环境,并非对每个行业、每个企业都适宜。在应用ABC时,不仅要考虑ABC的特点与适用条件,更要考虑企业所处行业的特点、基础设施、人员素质及管理状况等。探讨了ABC自身的特点与适用条件及建筑业的生产特点、成本结构、人员素质和管理状况等,认为在目前ABC尚不适合在我国建筑业应用。 相似文献
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