查询词典 contraction

It would, therefore, appear that when pain threshold contractions are compared with the submaximal 20% MVC contraction of normal controls, there is a significant difference and can be used as a useful classifier.

因此，正常人的痛域的收缩值和20%的次最大肌肉力量收缩值域患者具有显著性意义，可以用来作为一个鉴别指标。

AF is a common supraventricular arrhythmia that is characterized by chaotic and uncoordinated contraction of the atrium.

房颤是一种以心房混乱不协调的收缩为特征的常见的室上性心律失常。

The contraction force of femoral que adriceps muscle and the action force of tibiofemoral joint were applied to the knee joint with intact ACL and then with amputated ACL, and the anteroposterior displacement and rotation angle of the knee joints were measured with strain measurement tech nique and reconstructed the image with computer image processing technique.

方法标本取自新鲜尸体的5只膝关节，分别在ACL完整和切断的情况下对标本施加股四头肌力和腔股关节作用力，采用应变计测量技术和计算机图形处理技术对受载膝关节位移和转角进行测量和图像重建。

In this double-blind study, 142 women with high-risk singleton pregnancies received 100 mg progesterone or placebo daily by vaginal suppository. Between 24 and 34 weeks of gestation, all subjects had uterine contraction monitoring with an external tocodynamometer once weekly for 60 minutes.

对早产的高危险孕妇来说，预防性地在阴道使用progesterone可降低子宫收缩的频率，并减少早产的发生，虽然目前我们还不清楚它的作用机转为何，但我们知道它对子宫肌肉层有2种作用：一为藉由抑制细胞质内动情素受体的取代而抑制动情素发挥作用，另一个则是经由它自身的细胞性受体而直接作用在子宫的生合成路径上。

Some sufficient conditions for existence and uniqueness of periodic solution to Duffing equation are obtained using trigonometrical series and contraction mapping.

利用三角级数理论及压缩映射原理，研究时滞Duffing型微分方程，给出此类方程存在唯一周期解的几个充分条件。

Objective To observe the effects of urapidil,phentolamine,glyceryl trinitrate or phenylephdrinum on the isolated tracheal smooth muscle in rabbit.Methods KCl,Ach and electrical stimulation were used to induce the contraction of the isolated rabbit tracheal smooth muscle.

目的 观察常用降压药和升压药对气管平滑肌张力的影响，探讨其作用机制方法观察不同浓度乌拉地尔对氯化钾、乙酰胆碱、电脉冲三刺激因素诱发的兔离体气管平滑肌收缩力变化的影响；观察酚妥拉明、去氧肾上腺素和硝酸甘油对电刺激诱发的气管平滑肌收缩力的影响。

While sustaining constant force, isometric muscular contraction, the initial past decreasing rate of medium frequency curve, the absolute value of the fitting straight line slope, was increased with the degree of the muscular fatigue. With this rate, it was possible to quantitatively judge the state of the muscular fatigue, reduce the physical consumption and muscular uncomfort of recipients.

在维持等长、恒力肌肉收缩时，f＿曲线初始段下降率（即拟合直线斜率的绝对值）随肌肉疲劳程度的增加而增加，因此希望能用f＿曲线初始段的下降率来定量判断局部肌肉疲劳的状态，以减少受试者的体力消耗和肌肉不适程度。

As compared with undrawn PET film, the hot drawn PET film showed shorter crystallization induction period, faster development of long period, anisotropic in SAXS and WAXD patterns, with considerable thermal contraction along the direction of drawing and small lengthening in the direction of drawing during crystallization.

研究结果表明：热拉PET膜的结晶诱导期较短，长周期发展得较快，结晶后小角X-线散射表现出明显的各向异性，在热处理过程中先出现显著的热收缩，随后又表现出结晶伸长现象，这些都和未拉试样有明显的差别。

Results show this new-inlet hydrocyclone has original sides on liquid spin-making and stabilize its flow field. Moreover this gradual contraction inlet may translate some pressure energy of liquid into kinetic energy and increase circumrotate speed. These play active actions on improving separation efficiency. Moreover, the uniflow hydrocyclone has the traits of big capacity, low pressure drop and a little low separation efficiency in contrast to the returned flow hydrocyclone. This hydrocyclone system has the higher separation property in contrast to the single-level hydrocyclone.

实验结果表明：这种新型入口结构水力旋流器在流体的导旋方面具有独到之处，能很好的形成稳定的流场；同时这种渐缩式入口方式，可将来液的一部分压能逐渐转化为动能，提高了旋流速度，对提高分离效率起到积极作用；采用新型入口的直流式水力旋流器比返流式水力旋流器压降低，处理量大且分离效率略低；组成返流式水力旋流器串联系统相对于单级水力旋流器具有更高的分离性能。

The experimental study of dog sacral nerve distribution and its influence on lower urinary tract function:For further understanding of the distribution of dog sacral nerve in bladder, urinea and penis, and in order to set up theoretical basis for selective sacral nerve rhizotomy in treating spastic bladder after spinal cord injury, 12 dogs were respectively given electrical stimulation to S 1 3 nerve roots and the contraction of musculus sphincter urethrae and detrusor urinae, the change of bladder pressure and penis erection were examined and recorded.

犬肪神经对下尿路的支曰及功能影响的实验研究：为进一步明确犬骰神经对膀耽、尿道及阴茎的支配情况，并为选择性骰神经根切断治疗脊髓损伤后痉挛性膀眈寻找理论依据，我们电刺激12条家犬的S；－／经根，通过尿流动力学检查及电生理检测来观察其逼尿肌、括约肌的收缩及阴茎勃起情况。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。