refractive index of medium的意思
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- 心是指南针 共回答了20个问题
|采纳率90% - 介质的折射率
- 1年前
- songmingzhuan 共回答了21个问题
|采纳率81% - refractive index of medium = 介质折射指数
- 1年前
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|采纳率 - 媒介的折射索引
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|采纳率 - 介质的折射率
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sherrychai 共回答了24个问题
|采纳率95.8%题目翻译:
玻璃块长度18CM和折射率1.5包含一个小的气泡
从一个侧面观察泡沫似乎8cm这一边,在多远
块将它似乎是从反面看的时候?
解析:
这个题目和水中物体的实际深度本质上是一样的.
实际上可以想见根据观察角度的不同,“看起来”的深度应该是不同的.设“看起来”的深度y',实际深度y,光线在水中的入射角为i,那么根据斯涅尔定律你可以推出:
y'=y * Sqrt[1-n^2 *sin^2(i)]/[n *cos(i)],当i比较小时有近似的y'=y/n.
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- 英语翻译[1] Nixon WS.Pupil size in refractive (letter).J Catarac
英语翻译
[1] Nixon WS.Pupil size in refractive (letter).J Cataract Refract Surg
1997;23:1435–6.
[2] Holladay JT,Lynn MJ,Waring III GO,et al.The relationship of visual
acuity,refractive error,and pupil size after radial keratotomy.Arch
Ophthalmol 1991;109:70–6.
[3] Colvard M.Preoperative measurement of scotopic pupil dilation using
an office pupillometer.J Cataract Refract Surg 1999;24:1594–7.
[4] Boxer Wachler BS,Krueger RR.Agreement and repeatability of
infrared pupillometery and the comparison method.Ophthalmology
1999;106:319–23.
[5] Bland JM,Altman DG.Statistical methods for assessing agreement
between the two methods of clinical measurement.Lancet 1986;
1:307–10.
[6] Altman DG,Bland JM.Measurements in medicine:the analysis of
method comparison studies.Statistician 1983;32:307–18.
[7] Loewenfeld IE.The pupil.Anatomy physiology and clinical applications,
vol.1,first ed.Ames:Iowa State University Press,1993[chapter
15].
[8] Baron WS,Munnerlyn C.Predicting visual performance following
excimer photorefractive keratectomy.Refract Corn Surg 1992;8:355–
62.
[9] Verdon W,Bullimore M,Maloney RK.Visual performance after
photorefractive keratectomy:a prospective study.Arch Ophthalmol
1996;114:1465–72.
[10] Kohnen T,Terzi E,Buhren J,Kohnen EM.Comparison of a digital and
a handheld infrared pupillometer for determining scotopic pupil
diameter.J Cataract Refract Surg 2003;29(1):12–117.
[11] Boxer Wachler BS.Effect of pupil size on visual function under
monocular and binocular conditions in LASIK and non-LASIK
patients.J Cataract Refract Surg 2003;29:275–8.
[12] Rosen ES,Gore CL,Taylor D,et al.Use of a digital infrared
pupillometer to assess patient suitability for refractive surgery.J
Cataract Refract Surg 2002;28:1433–8.
[13] Schnitzler E-M,Baumeister M,Kohnen T.Scotopic measurement of
normal pupils:Colvard versus Video Vision Analyser infrared pupillometer.
J Cataract Refract Surg 2000;26:859–66.
专业点,不要用在线翻译器那种玩意糊弄我
ps:pupil是瞳孔的意思!wjk8881年前1 -
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|采纳率88.9%1 ] 尼克松WS .学生大小在折射(信件) .J 大瀑布折射Surg 1997;23:1435-6 .
[ 2 ] Holladay JT,林恩・MJ,留神III 是,等.视觉关系 敏锐、折射错误,和学生大小在辐形keratotomy 以后.曲拱 Ophthalmol 1991;109:70-6 .
[ 3 ] 暗视力的学生扩张的Colvard M.Preoperative 测量使用 办公室pupillometer .J 大瀑布折射Surg 1999;24:1594-7 .
[ 4 ] 拳击手Wachler BS,Krueger RR .协议和反复性 红外pupillometery 和比较方法.眼科学 1999;106:319-23 .
[ 5 ] 平淡JM,Altman DG .统计方法为估计协议 在临床测量之间二个方法.柳叶刀1986 年; 1:307-10 .
[ 6 ] Altman DG,平淡JM .测量在医学:分析 方法比较研究.统计员1983;32:307-18 .
[ 7 ] Loewenfeld IE .学生.解剖学生理和临床应用,卷1,第一编辑.Ames:衣阿华州立大学出版社,1993[chapter 15] .
[ 8 ] WS,Munnerlyn C.Predicting 视觉表现随后而来男爵 excimer photorefractive keratectomy .折射玉米Surg 1992;8:355- 62.
[ 9 ] Verdon W,Bullimore M,Maloney RK .视觉表现以后 photorefractive keratectomy:一项预期研究.曲拱Ophthalmol 1996;114:1465-72 .
[ 10 ] Kohnen T,Terzi E,Buhren J,Kohnen EM .比较数字式和 一手扶的红外pupillometer 为确定的暗视力的学生 直径.J 大瀑布折射Surg 2003;29(1):12-117 .
[ 11 ] 拳击手Wachler BS .学生大小的作用在视觉作用下 monocular 和双眼条件在LASIK 和non-LASIK 患者.J 大瀑布折射Surg 2003;29:275-8 .
[ 12 ] Rosen ES,戈尔CL,泰勒D,等.对数字式红外线的用途 pupillometer 估计耐心适合为折射手术.J 大瀑布折射Surg 2002;28:1433-8 .
[ 13 ] Schnitzler E-M,Baumeister M,Kohnen T.Scotopic 测量 正常学生:Colvard 对录影视觉分析仪红外线pupillometer .J 大瀑布折射Surg 2000;26:859-66 .1年前查看全部
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|采纳率92.3%alright,i'm a little drunk now,but i can still answer your question:
internal total reflection condition:
n1sin p=n2 sin pi/2 ===> sin p=0.98639455782312925170068027210884
total time = (L/sin p) /(c/n2) =(1000/0.98639455782312925170068027210884)/(299792458/1.45)=4.9033921994128363799714010012292e-61年前查看全部
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