置换

Method］From January 2003 to January 2007, VVC arthroplasty was performed in 18 complex cases (19 knees),among them there were 11 cases with valgus knee,7 cases (8 knees) with ankylosed knee.

［目的］回顾性分析内外翻限制性假体（varusvalgus constrained implant，VVC）在复杂初次膝关节置换中的应用经验，总结VVC假体使用的适应证及临床效果。

Methods: Histology and immunohistochemistry were performed to detect the expression and localization of HSP27 protein in dissected thoracic aortas and normal controls. Western Blot was used to invalidate its expression.

随着腔内血管外科理论和技术的发展，TAD的治疗已经取得了较大的进展，部分TAD患者已从传统的开放性开胸人工血管置换术转向微创的腔内隔绝术［2］，降低了病死率及各种手术并发症率。

Methods: Histology and immunohistochemistry were performed to detect the expression and localization of HSP27 protein in dissected thoracic aortas and normal controls. Western Blot was used to invalidate its expression.

随着腔内血管外科理论和技术的发展，TAD的治疗已经取得了较大的进展，部分TAD患者已从传统的开放性开胸人工血管置换术转向微创的腔内隔绝术［2］，降低了病死率及各种手术并发政率。

In different treatments there were significant differences in male sterility among INACs, of which I TA showed the highest rate of sterility and the best sterility stability under different conditions; meanwhile, altering nucleo cytoplasmic relationship by substitutional backcrosses could modify and improve male sterility of CMS lines.

结果表明，同核异质不育系不育度在年份间、播期间、实生稻与再生稻间差异极显著，不同细胞质不育系间差异显著，其中I特A在各种处理条件下均表现出最高的不育度和最好的不育稳定性。通过回交核置换技术培育新核质关系的同核异质不育系，可达到修饰改良育性的目的。

Non-monetary transaction is not a new phenomenon at present. From starting with the spring up of barters on border to entering into 1990s, with the development of securities business in China, non-monetary transaction, including assets permutation and stock exchange, has become more and more frequently.

从20世纪80年代兴起的边境易货贸易开始，到进入90年代以来，随着我国证券市场的发展，包括资产置换、股权交换在内的非货币性交易越来越多。

General brokered in intermediary, and intermediary agents from replacement procedures.

一般是在中介的撮合下进行，并可由中介代办置换手续。

Methods:Twenty patients with RHD were divided into 2 groups randomly(n=10).Under local anesthesia,each patient received a radial artery puncture and a right jugular vein puncture to be catheterized with a pulmonary catheter for measurement of the circulatory functions before induction,then was induced with midazolam 0.15 mg/kg,fentanyl 10 μg/kg and vecuronium 8 mg intravenously.

20例风湿性病心脏瓣膜置换患者随机均分成两组，每例在麻醉诱导前局麻下作桡动脉穿刺和右颈内静脉穿刺放置漂浮导管备测循环功能指标。

Objective To investigate the effect of the third generation cementing technique in total hip anthroplasty.

目的 探讨第三代骨水泥技术在人工全髋置换术中的应用。

Meanwhile, mechanisms of chelating pretreatment and H〓O〓 displacement bleaching were investigated in this dissertation.

同时，本论文还对螯合预处理以及H〓O〓置换漂白机理进行了较为深入的研究。

The S box is one of the most important parts of block ciphers.

P置换作为分组密码的另一重要组件，其设计同样是分组密码研究的热点。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。