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increased traction
相关语句
  增加牵引力
     Methods 72 patients with posterior urethral disruption complicated pelvic fracture after realignment of urethra were conducted modified urethral realignment with traction, fixed with traction to abdomen by Foley's ureter, changed traditional traction way and increased traction, and so on.
     方法 对 72例骨盆骨折后尿道断裂患者行改良尿道会师牵引术 ,采用Foley氏尿管牵引固定于腹壁 ,改变传统牵引方向 ,增加牵引力等。
短句来源
  相似匹配句对
     The stress of annulus fibrosus was increased in traction .
     牵引下纤维环应力增加 ;
短句来源
     Increased application of N. P.
     速效P(mg/kg)0.8~26.2,速效K(mg/kg)33.9~53.3。
短句来源
     Increased the benefit.
     增加了效益。
短句来源
     The tested data showed that traction resistance of the planter is increased linear with ripper sinking.
     取得的数据表明,植树机的牵引阻力随松土深度增大而增大,所做的曲线为一近似直线。
短句来源
     Intermittent traction was supplied.
     采用间歇牵引方式。
短句来源
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Although the Xiang Yu Raiway has been reconstructed,its traffic capacity has nearly reached saturation by 1996.With national economic development,the goods and materials going in and out of Sichuan will increase greatly. In order to raise the traffic capacity of the section between Xiangfan North and Hujiangying on Xiangyu Railway,the following three methods can be appplied:changing locomotive model,increasing traction tonnage of freight trains,and building double track inserting section in difficult...

Although the Xiang Yu Raiway has been reconstructed,its traffic capacity has nearly reached saturation by 1996.With national economic development,the goods and materials going in and out of Sichuan will increase greatly. In order to raise the traffic capacity of the section between Xiangfan North and Hujiangying on Xiangyu Railway,the following three methods can be appplied:changing locomotive model,increasing traction tonnage of freight trains,and building double track inserting section in difficult sections and applying automatic blocking by counting axles at fixed points. These three methods do not restrict each other and can either be used alone or comprehensively.However,no matter which method isused,the receiving track should be increased in some interim stations and power supply should be strengthened simultaneously.

襄渝线虽经过扩建,但1996年线路通过能力已近饱和,随着国民经济发展,进出四川的物资将会有很大增长,为提高襄渝线襄樊北至胡家营段的通过能力,可采取更换机车型号,提高货物列车牵引重量;在困难区间修建双线插入段和采用定点计轴自动闭塞三种办法。三种办法互相不制约,可单独使用,也可综合使用,但不论采用何种方式都要同时增加部分中间站的到发线和加强供电能力。

The effectiveness of epiphyseal distraction was investigated in vivo and in vitro by forces applied to the distal femoral growth plates of New Zealand white immature rabbits. Distraction forces of 5N and 10N were applied every 3 days to the distal growth plate of the right femur in vivo, in 16 rabbits Four weeks later the length of all distracted femurs was significant longer than both the length of control side and the same one of group ON. Histological study showed hyperplasia of the growth plate, an increase...

The effectiveness of epiphyseal distraction was investigated in vivo and in vitro by forces applied to the distal femoral growth plates of New Zealand white immature rabbits. Distraction forces of 5N and 10N were applied every 3 days to the distal growth plate of the right femur in vivo, in 16 rabbits Four weeks later the length of all distracted femurs was significant longer than both the length of control side and the same one of group ON. Histological study showed hyperplasia of the growth plate, an increase in chondrocytes division rate, and no evidence of epiphyseolysis. The in vitro breaking forces of the growth plate were measured after in vivo distraction. The mean breaking force of the distracted side was not lower than mean values for the undistracted control side. Sixteen femora from 8 rabbits underwent epiphseal distraction in vitro, with 20N, 60N and 100N forces. the mean plastic deformation of the growth plate was great in connection with increasing traction. The subsequence breaking force of these growth plates was no influenced. The results obtained in this study indicated that limb lengthening might be achieved by chondrodiatasis with the proper distraction force and/or a slow distraction rate.

本研究是对新西兰幼兔股骨远端骨骺进行体内和体外牵张实验.16只兔右股骨经5~10N力每3天一次牵张.4周后的股骨长度值明显大于左侧和0N组.形态学变化是受牵张的骺板增厚,软骨细胞增殖且无骨骺分离骨折.体外骺板抗断裂测试显示夸张后的骺板强度不低于未经牵张的对照侧.8只动物16根股骨于体外接受20~100N力的牵张,其骺板的塑性变形度随牵张力值的增高而增大,抗断裂强度亦不低于未经牵张的骨骺.这些结果表明适量的牵张力和/或低牵张速率是实现“软骨分离”或骨延长的关键.

Objective To ascertain the effect of increasing traction on articular cartilage. Methods Twenty five immature rabbits were randomised into three groups. A miniature Ilizarov external fixator was applied to the right tibia of each rabbit followed by tibial osteotomy. Each group was subjected to different degree of traction lengthening. At the end of lengthening, both knee joints of the animals were dissected out. Sagittal sections of medial and lateral condylar areas were stained with Haematoxylin...

Objective To ascertain the effect of increasing traction on articular cartilage. Methods Twenty five immature rabbits were randomised into three groups. A miniature Ilizarov external fixator was applied to the right tibia of each rabbit followed by tibial osteotomy. Each group was subjected to different degree of traction lengthening. At the end of lengthening, both knee joints of the animals were dissected out. Sagittal sections of medial and lateral condylar areas were stained with Haematoxylin and Eosin, sanfranin O and Mallory. Results With 15% lengthening (6 rabbits), hypercellularity and vacuole degeneration were detected. With 25% lengthening (7 rabbits), transitional zone cartilage clefts (n=3) and chondrocyte necrosis in the superficial and transitional zone (n=2) were detected. With 35% lengthening (n=9), partial to full thickness cartilage loss (n=4) and degeneration and necrosis of chondrocytes (n=8) were detected. There was slight, moderate and severe reduction of sanfranin O staining in 15%, 25% and 35% groups respectively. Mallory staining showed loss of normal collagen arrangement and collagen thickening in 25% lengthening group and destruction of collagen in 35% lengthening group. Conclusions The “pressure necrosis” occurs during experimental limb lengthening. Its severity is proportional to the degree of lengthening.

目的 了解随肢体延长幅度的增加 ,由受牵拉的跨关节软组织增加的张力产生的关节面之间的压力对关节软骨的影响。方法 对 3组家兔分别进行不同幅度的胫骨延长 ,于牵开结束时观察膝关节软骨的组织病理学变化。结果 A组 (延长 15 % )软骨细胞增多伴空泡变性。B组 (延长2 5 % )出现裂隙 ,表层和移行层中软骨细胞片状坏死。C组 (延长 35 % )关节软骨部分或全层缺损。基质沙黄O染色浓度A组轻度丧失 ,C组严重丧失。Mallory染色显示胶原纤维 ,A组排列规则 ;B组增粗 ,走行紊乱 ;C组破坏严重。结论 肢体延长中 ,关节软骨可能发生压力坏死 ,其发生率及程度与关节软骨所受压力大小有关。延长幅度越大 ,压力会越大。

 
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