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影响医学生学习成绩的学业,社会和文化因素

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国外医学（医学教育分册） 1991年第4期12卷 159-164页

作者： alta.,SF 陈吉英

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New insights in the treatment of acromioclavicular separation

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World Journal of Orthopedics 2017年第12期8卷 861-873页

作者： Christiaan J A van Bergen Annelies F van Bemmel Tjarco D W alta Arthur van Noort Department of Orthopaedic Surgery Amphia Hospital Department of Orthopaedic Surgery Spaarne GasthuisHoofddorp 2134 TM

A direct force on the superior aspect of the shoulder may cause acromioclavicular(AC) dislocation or separation. Severe dislocations can lead to chronic impairment, especially in the athlete and high-demand manual laborer. The dislocation is classified according to Rockwood. Types Ⅰ?and Ⅱ are treated nonoperatively, while types Ⅳ, Ⅴ and Ⅵ are generally treated operatively. Controversy exists regarding the optimal treatment of type Ⅲ dislocations in the high-demand patient. Recent evidence suggests that these should be treated nonoperatively initially. Classic surgical techniques were associated with high complication rates, including recurrent dislocations and hardware breakage. In recent years, many new techniques have been introduced in order to improve the outcomes. Arthroscopic reconstruction or repair techniques have promising short-term results. This article aims to provide a current concepts review on the treatment of AC dislocations with emphasis on recent developments.

关键词： Acromioclavicular dislocation Rockwood classification Coracoclavicular ligament reconstruction Hookplate Arthroscopically assisted acromioclavicular reconstruction Weaver and Dunn procedure Conoid and trapezoid ligaments

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Growth and yield responses of broccoli cultivars to different rates of nitrogen in western Chitwan, Nepal

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Agricultural Sciences 2013年第7期4卷 8-12页

作者： Raj Kumar Giri moha Dutta Sharma Santa Man Shakya Yubak Dhoj GC Tanka Prasad Kandel Department of Agroecology Aarhus University Research Centre Foulum Tjele Denmark Institute of Agriculture and Animal Science Tribhuvan University Kathmandu Nepal

A field experiment was conducted with the objective to determine the optimum rate of nitrogen (N) fertilizer for effective growth and yield of two varieties of broccoli in southern plain of Nepal. The experiment was laid out with two-factorial completely random block design (RCBD) comprising two varieties of broccoli (Calabrese and Green Sprouting) and five N rates (0, 50, 100, 150 and 200 kg ha-1) with three replication in each treatment combinations. The effects of variety and N rate on total curd yield were significant but the interaction effect was non-significant. Green Sprouting produced 11% higher total curd than Calabrese. Similarly, curd production increased N rate up to 200 kg ha-1 reaching a maximum of 14.47 t ha-1. This indicated that optimum level of N could be beyond the rates tested in this study, which needs further experimentation.

关键词： Brassica oleracea L. italica Curd Yield Growth Varieties

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