您要查找的是不是:
- The relationship between optic axial length and corneal curvature radius 视轴与角膜曲率半径的关系
- corneal curvature radius 角膜曲率半径
- Keratometers measure corneal curvature and by an assumed refractive index,to calculated carneal power. 角膜曲率仪可用于测定角膜曲率,并可按常规的折射率计算角膜屈光焦度。
- Conclusions: Steepening in the meridian of the trabeculectomy site, the changes in corneal curvature induced by filtering surgery regressed with time. 结论:小梁切除术对角膜曲度的影响,多数患者于手术经线方向角膜曲度变深,其变化随时间减少。
- Methods In the study group there were 58 eyes in 50 cases performed limbal relaxing incision phacoemulsification at the biggest corneal curvature. 方法观察组在角膜曲率大的轴向上行角膜缘松解切口晶状体超声乳化术50例(58眼)。
- The equations of thecurvature,curvature radius on hypocycloid"s tooth profile are deduced. 在此基础上分析推导了各种型式的滚子链谐波传动的传动比计算公式。
- A doctor can determine the appropriate implant prescription with an ultrasound device that measures eye length and corneal curvature. 医生通过超声波设备测量眼镜的长度和角膜的曲率以决定植入方案。
- In fact, it is difficult to obtain zero curvature radius at the tip of crack because of narrow ligamentum. 由于韧带较窄,机械加工难以获得深切口尖端的曲率半径为零。
- Purpose: Surgically-induced alternations in corneal curvature resulting from filtering surgery may have a significant impact on patients. 摘要目的:青光眼滤过手术对角膜曲度的改变,可以对患者之视力产生深远的影响。
- AIM: To discuss the ascription and countermeasure for patients with ametropia and high corneal curvature in preoperative exam of LASIK. 目的:探讨术前检查中发现屈光不正患者伴有偏高角膜曲率时的归属和对策。
- Results indicate that the sheet metal with the thickness of 1mm and curvature radius 200mm sharply wrinkle in the multi-point die(MPD) forming mode. 文章用显式动力学算法进行了数值模拟,结果表明,采用多点模具成形工艺成形1mm厚度的板料时,曲率半径为200mm的成形件起皱明显;
- In this study, the preoperative and postoperative keratometric measurement were compared to detect the possible factors involving changes of corneal curvature. 本文主要是研究术前及术后之角膜曲度对人工水晶体度数计算之影响。
- The authors investigated longitudinally the effect of trabeculectomy on the changes of corneal curvature and visual acuity via the aid of corneal topography. 本文希望藉由电脑辅助角膜曲度摄影,纵向研究小梁切除术对角膜曲度的影响及视力变化的关系。
- Furthermore, we provided the criterion distinguishing edge inflexion and sleek curve section and the method computing inaccurately curvature radius and approximate perimeter. 同时给出了利用这些参数判别边界角点、边界光滑段的判据 ,以及估算曲率半径、等效周长的方法 ;
- This paper first analyzes the reason of the aliasing and the common methods for anti aliasing, and then proposes a method for adaptive anti aliasing based on the curvature radius. 摘要从图形走样产生的机理出发,分析了图形学中常用的反走样方法,并在此基础之上针对曲线的特点提出了一种基于曲率半径的自适应反走样方法。
- The minimum curvature radius method is used to compute hole trajectory data (such as ZD,XE,YN,HOFF,HOAZ, etc. ) to draw the highly deviated well hole trajectory graph. 用最小曲率半径法计算井眼轨迹数据(如ZD、XE、YN、HOFF、HOAZ),绘制出大斜度井的井眼轨迹图。
- The curvature radius was derivated and the contact stress of the three-arc-sect isometric type surface was calculated through the elastic dynamics theory. 应用弹性力学理论,推导出接触点的曲率半径,对三弧段等距型面联接进行接触应力计算。
- JI Hong, SONG Xin-jiang.Method for calculating least value of curvature radius of e-lgp curve[J].Water Resources and Hydropower Engineering, 2001, 32(10):46-47. [3]姬宏;宋新江.;e-logp曲线中曲率半径最小值的数值求法[J]
- The data transform program has been compiled with MATLAB,which sequentially finishes transformation of part curvature radius into control coordinate of machine tool. 用MATLAB编写了数据转化程序,完成了变曲率零件从型值点的曲率半径到机床控制坐标的转换。
以上内容独家创作,受著作权保护,侵权必究
海词词典,十七年品牌