archimedes

archimedes

1. G.W.Leibniz",,"He who understands Archimedes and Apollonius will admire less the achievements of the foremost men of later times.

","了解Archimedes与Apollonius的人,对后代杰出人物的成就不会再那麽钦佩了.

2. A DIFFERENCE METHOD FOR SOLVING THE TURNING PROBLEM OF THE ARCHIMEDES HELICES PLATE

Archimedes螺线盘转动问题的差分处理

3. True,@ said Archimedes, @but it does not appear to have the same rich red color that it had in the lump.

“不错，”阿基米德说，“可是它呈现出的不是原来金块那种富丽的红颜色。

4. "Denmark is designed " became a nomenclature it seems that, like Newtonian law, Archimedes's principle, having the authority that cannot doubt.

“丹麦设计”似乎成了一个专用名词，与牛顿定律、阿基米德原理一样，有着不可怀疑的权威性。

5. What if the goldsmith has kept out a pound or two of the gold and made up the weight by adding brass or silver?@ asked Archimedes.

“如果金匠从中取走一两磅金子，而加进铜或银来凑足重量又怎么办呢?”阿基米德问。

6. The unit of hydrostatics takes the concept of buoyant force as its base, the Archimedes theory as its kernel, and the condition of sink or emerge as its representation.

“浮力”是流体静力学中应用性较强的基础知识之一,也是初中物理教学的重要内容。

7. The workmanship is indeed very beautiful,@ answered Archimedes, @but the gold...

“这手艺确实非常精美，”阿基米德回答，“可是这金子??”

8. We have had many examples in these pages such as: Archimedes, Grosseteste, Leonardo, Galileo, Boyle, Davy, Pasteur, Kelvin.

“首席执行官认为他不是那种敢于担风险和肯花时间把自己工作做得更好的人。”

9. the book of "Study on Buoy"expounds the content of Archimedes Buoyancy Law.

《论浮体》中阐明了阿基米德浮力定律的内容。

10. One day, the famous ancient Greek mathematician Archimedes are being squatting dedicated mechanics to study the paintings on the ground geometry.

一天，古希腊著名的数学家、力学家阿基米德正蹲着专心致志地研究画在地上的几何图形。

11. In order to represent Archimedes helix with control polygon, we construct Bernstein-like basis.

为了用控制多边形的方法表示阿基米德螺线,本文构造了拟Bernstein基。

12. To illustrate the principle of the level, Archimedes is said to have told the king: "Give me a place to stand, and I will move the world.

为了阐明他的杠杆原理，阿基米德对国王这样说道：“给我一个支点，我将撬动地球。”

13. In fact, the principle of floating bodies had found application among people long before it was discovered by Archimedes.

事实上,远在阿基米德发现浮体原理之前,这个原理早已被人们应用了.

14. This paper produces a new way of grinding the hole of a helix flute Archimedes spiral hob: a bob is orientated in three tapers.

介绍了一种采用三圆推销定位磨削阿基米德螺线滚刀内孔的新方法，该方法避免了圆周齿距误差和螺旋槽导程误差的影响。

15. Two calculating methods of straight line and Archimedes spiral approximating involute are introduced.

介绍了用直线及阿基米德螺旋线逼近渐开线的两种方法。

16. The inspiration from the thinking mode of Archimedes in deducing the sphere volume formula

从阿基米德推导球体积公式的思想方法得到的启示

17. He told us that Archimedes noticed that when he got into a pool at the public bathhouse, the water rose, spilling over the edge.

他告诉大家当阿基米德钻进公共澡堂的浴池洗澡时，他发现浴池里的水面上升了，水向外溢。

18. He was drawing in this circle geometrical lines, and seemed as much absorbed in his problem as Archimedes was when the soldier of Marcellus slew him

他正在圆圈里划几何线，那神态就象阿基米德当马赛鲁斯的兵来杀他时的那样全神贯注。

19. Like Archimedes he was always thinking and always asking the reasons for things.

他象阿基米德一样总在思考问题，总在探求事物的道理。

20. Investigation of scroll profile in form of algebraic Archimedes

代数阿基米德螺旋涡旋型线的研究

21. Great truths may seem to have been discovered by accident, witness the classic examples of Archimedes bathwater and Newton's apple, but ...

伟大的真理似乎是可以从偶然中偶尔发现的，阿基米德的洗澡水和牛顿的苹果就是著名的例证，但是 ...

22. For the relieving shaped milling cutter with the traditional Archimedes back curve, the relief angle of each point on the cutting edge is changed after refacing the cutter.

传统的阿基米德螺线齿背的铲齿成形铣刀在重磨前刀面后,切削刃上各点的后角将发生变化,从而影响刀具切削性能的稳定。

23. Whether or not that particular application becomes the stuff of legend, ultrahigh-intensity light has a future that is spectacular and diverse beyond the wildest dreams of Archimedes and Diocles.

但不管这个特定应用是否晋身传奇的一页，超高强度光的似锦前程与多才多艺，绝对是阿基米德与戴克里斯作梦也想不到的。

24. The author thinks that Galileo carried on the tradition of Archimedes.

作者认为伽利略继承了阿基米德的技术工程学与科学相结合的传统，但又没有完全限于这一传统;

25. A neat solution of the quadrature problem can be achieved with the spiral of archimedes

使用阿基米德螺线可以轻松解决求积分的问题。

26. For example, the book of "Study on the Balance of Plane figures " involves the famous Archimedes Lever Law;

例如《论平面图形的平衡》里涉及到了著名的阿基米德杠杆原理;

27. The development of the method of exhaustion beyond the point to which Archimedes carried it had to wait nearly eighteen centuries until the use of algebraic symbols and techniques became a standard part of mathematics.

几乎18个世纪以后，直到代数符号及其算法成为数学标准算法的一部分时，穷竭法的发展才超出阿基米德应用范围。

28. Porosity and strength were tested by the Archimedes' method and the lever principle,and the main blemish was analyzed.

分别用阿基米德法和杠杆原理对材料的气孔率与强度进行了测试,并对产生的主要缺陷进行了分析。

29. The density, microstructure and phase composition of sintered compacts of Mn-Zn ferrite nanopowders were measured by Archimedes method,X-ray diffraction(XRD) and scanning electron microscopy(SEM),respectively.

分别采用阿基米德法、扫描电镜(SEM)和X射线衍射仪(XRD)对烧结体的密度、微观结构和相组成进行测试分析。

30. This article uses Taylor Progression to figure out the approximate formula of the forming errors of Archimedes gear hobs.

利用泰勒级数导出了阿基米德齿轮滚刀造形误差的近似公式。

31. On the Study of Property of Hyperbolic Archimedes Triangle

双曲线阿基米德三角形的性质补充

32. Archimedes Newton Gauss are universally considered to be the greatest mathematicians of all time.In my opinion Eul ...

发信人: expix (yun) 信区: Mathematics标 题: Re: 历史上最伟大的数学家是不是欧拉？

33. Ancient Greek renowned mathematician Archimedes once had one classical famous saying:"for me one pivot lets me support entire Earth."

古希腊著名数学家阿基米德曾有一句经典的名言:“给我一个支点,让我撑起整个地球。”

34. Archimedes, On the Sphere and the Cylinder, 220B.C.

圆球体的表面积等于球体中最大圆的面积的4倍。

35. In the CAGD/CAD system, Archimedes helix is an important and basic geometry object.

在CAGD/CAD中,阿基米德螺线是一个重要和基础的几何对象。

36. In mechanics aspect, Archimedes did not leave any literal dissertation behind.

在机械学方面,阿基米德没有留下什么文字论述。

37. Study on the Method of Modeling Archimedes Worm and Worm Wheel Based on SolidWorks

基于Solid Works的阿基米德蜗杆蜗轮建模方法探讨

38. The Calculation of Interpolation of Spiral of Archimedes Based on Time-divided Method

基于时间分割法的阿基米德螺线的插补算法研究

39. Using Pro/E to Realize the Parameterized Designing of Archimedes Worms

基于特征的阿基米德蜗杆(ZA)的参数化造型设计

40. The greatest mathematicians, as Archimedes, Newton and Gauss, always united theory and application in equal measure.

如阿基米德、牛顿与高斯这样的最伟大的数学家,总是不偏不倚地把理论与应用结合起来。

41. Regarding Archimedes, he in the sand table the picture circle, is also more important than his life.

对于阿基米德，他在沙盘里画的圆，比他的生命还重要。

42. For nonisothermal jet, its turbulent coefficient increases with the absolute value of the Archimedes number decreasing.

对于非等温射流,其紊流系数随射流出口阿基米德数的绝对值的增大而减小。

43. Seeking the "Archimedes Fulcrum" of Building Up Harmonious Society

寻找构建和谐社会的"阿基米德支点"

44. According to the popular account given by Greek biographer Plutarch, Archimedes was contemplating a mathematical diagram when the city was taken.

希腊传记作家蒲鲁塔克笔下有一个脍炙人口的故事：西拉库斯沦陷时，阿基米德正在研究数学图表。

45. The Spherometer of Designed with the Principle of Archimedes Spiral

应用阿基米德螺线原理设计的球面曲率计

46. Metalsmiths knew how to detect forgeries of precious metals by measuring their density, using Archimedes' method of submersion in water to measure volume.

当时的金属匠利用阿基米德把物体浸在水中测量体积的方法，知道如何检测假的贵金属物品。

47. When the Roman soldiers crash in time, Archimedes was still protecting his sand table, yelled: do not move my circle!

当罗马士兵冲进来的时候，阿基米德仍然守护着他的沙盘，大叫：“不要动我的圆！”

48. Suddenly, the brutal Roman soldiers pull out the sword, pointing to Archimedes's nose, when he came to realize that the immediate thing.

忽然，残暴的罗马士兵拔出宝剑，指着阿基米德的鼻子，这时，他才明白眼前的事情。

49. Too often we forget that genius,too,depends upon the data within its reach,that even Archimedes could not have devised Edison's inventions.

我们实在是经常忘记，天才也依赖于所能得到的资料，就连阿基米德都无法设计出爱迪生的发明。

50. Our physics teacher was struggling to draw the class into a discussion of Archimedes principle of water displacement.

我们的物理老师竭力引导全班同学就阿基米德的浮力原理展开讨论。

51. Too often we forget that genius, too, depends upon the data within its reach, that even Archimedes could not have devised Edison's inventions.

我们确实是经常忘记,天才也依赖于所能得到的资料,就连阿基米德都无法设计出爱迪生的发明。

52. We all know that in the bathing Archimedes discovered buoyancy when the law of the scientific achievements in the history section of the mouth with approbation.

我们都知道，阿基米德在洗澡时发现了浮力定律，成就了科学史上的一段美谈。

53. Until now I realize that, why the discoverer of buoyancy, Archimedes forgot wearing clothes and took to the street to shout, to declare his discovery to the world!

我现在才知道，浮力的发现者阿基里米德为什么会忘了穿衣服就上街大叫大喊，向全世界宣告他的发现！

54. Archimedes Representation Theorem in Disturbing Fuzzy Proposition

扰动模糊命题中的阿基米德表现定理

55. In cartesian coordinates, segments of straight line are used to fit a given curve and in polar coordinates segments of Archimedes helix are used.

提出了在直角坐标系中用多段直线拟合曲线的方法,在极坐标系中用多段阿基米德螺线拟合曲线的方法。

56. Hydrometers is based on the Archimedes Law.

摘要浮计的原理是以阿基米德定律为根据的。

57. At first the antenna is an ultra?wideband double-armed Archimedes spiral antenna and fed by 50 ohm coaxial-cable.

文中首先设计了工作频带为1.5~12GHz的平面阿基米德螺旋天线,其天线直径为80mm,为了使天线输出端阻抗与50?

58. The burst of mental clarity can be so powerful that, as legend would have it, Archimedes jumped out of his tub and ran naked through the streets, shouting to his startled neighbors: 'Eureka!

智慧之光爆发出的力量是如此强大，以至于传说中阿基米德从浴缸中跳出来，一丝不挂地跑到街上，对着惊讶的邻居们大喊：“尤里卡！

59. Finally, with the Archimedes helix and circular arc, we can construct a cam, so the control of the cam with a polygon comes true. This is useful to construct and control cam.

最后,利用阿基米德螺线段和圆弧来构造凸轮,实现了凸轮的多边形控制,对构造和控制凸轮有一定的价值。

60. The maximum deviation is less than 1.4% in the experimental range between the calculated densities and the tested ones using the Archimedes method.

最后,根据加和法则计算得到BAS微晶玻璃样品的密度,所得的密度值与利用Archimedes法测得的密度值的相对偏差小于1.4%。

61. At last he said to Archimedes, "Is there any way to find out whether that goldsmith really cheated me,

最后，他对阿基米德说：“有没有法子能查明金匠是否确实骗了我，

62. One story says the Archimedes made a burning mirror to set fire to the Roman ships which were attacking Syracuse.

有一个故事说阿基米德制造了一个火焰镜，点烯了进攻叙拉古的罗马战船。

63. This paper develops iterative formula of sine and cosine function in document[40], and presents new pixel-level algorithms forgenerating Archimedes and involute curves which are widely used in engineering.

本文推广了文献[40]中正弦、余弦函数的递推公式，对工程绘图中常用的阿基米德曲线和渐开线设计了新的逐点生成算法。

64. This article deals specially with the determination of the, basic parameters of involute cylinder gears,Archimedes spiral worms and worm wheels when measuring them.

本文是对渐开线圆柱齿轮和阿基米德螺线蜗杆及蜗轮在测绘工作中如何确定其基本参数而进行的专题探讨.

65. This paper researches the basic algorithms of Computer Graphics including the algorithms of an efficient algorithm for polygon clipping and pixel-level algorithm for generating Archimedes and ivolute curve.

本文的工作是对计算机图形学中的基础算法进行研究。 包括一个有效的多边形裁剪算法，以及阿基米德曲线及圆的渐开线的逐点生成算法。

66. We have obtained fast generation algorithms for ellipse, parabola, hyperbola, Archimedes spiral, logarithmic spiral, and probability curve arcs with increments and properly-chosen parameter equations.

本文采用增量法,选取适当的参数方程,得到了椭园(包括园)、抛物线、双曲线、阿基米德螺线、对数螺线以及概率曲线弧的快速生成算法。

67. The approaches of undergraduate research and enquiry-based learning are the Archimedes' fulcrums to implementing these principles.

本科生研究和研究性教学则是实现这些原则的“阿基米德支点”。

68. Robert Lenzner, Archimedes on Wall Street, Forbes, Oct. 12, 1998.

机构投机者是与个人投机者相区别的从事投机的金融机构。

69. Keywords Machinery manufacture;Stepped spinning equipment;Gear spinning;Archimedes spiral;

机械制造;错距旋压成形装置;齿轮旋压;阿基米德螺旋线;

70. General Marcellus was reportedly angered by the death of Archimedes, as he had ordered him not to be harmed.

根据传说，马塞勒斯将军听到阿基米德死了，很不高兴：他曾下令不得伤害阿基米德。

71. The density and micro-hardness are determined according to Archimedes law. Detection results exhibit that the hardness of the glass decreases and the density increases with the increment of Bi_(2)O_(3) content.

根据阿基米德定律测试玻璃的密度和显微硬度,发现玻璃的显微硬度随着体系中Bi2O3含量的增加而减小,而密度随着体系中Bi2O3含量的增加而增加。

72. Keywords Potassium fluotantalate;Density;Archimedes principle;

氟钽酸钾;密度;阿基米德法;

73. THE PROBLEM OF TURNING OF THE BURNABLE EVEN MASS ARCHIMEDES HELICES PLATE AROUND A FRICTION-FREE VERTICAL FIXED AXIS ON A HORIZAONTAL PLANE

水平面上匀质可燃阿基米德螺线盘绕铅直光滑定轴的转动

74. The study of optics goes back thousands of years.Early reports can be traced to the Ancient Greeks, notably Aristotle and Democritus speculating about vision and Archimedes' famous "burning glass.

江苏自古以来为人文绘萃之地，流传至今的文献典籍浩如烟海。

75. The pumps must be of the low shear archimedes screw type

泵必须是低剪切力的阿基米德螺旋式泵。

76. Hydrostatics - Archimedes' Principle - Fluid Dynamics - What Makes Your Boat Float? - Bernoulli's Equation

流体静力学-阿基米德原理-流体动力学-是什麽使你的船浮著？-伯努利方程

77. Archimedes - the Founder of Hydrostatics

流体静力学的奠基人-阿基米德

78. The relation between the depth of gate and the Archimedes flow length is nonlinear, and the H-L curve is of obvious wave.

浇口尺寸与螺旋线流动长度关系曲线 (L -H曲线 )的变化不是单调的递增或递减 ,曲线形状呈较为明显的“波浪”形 ;

79. 9. The relation between the depth of gate and the Archimedes flow length is nonlinear, and the H-L curve is of obvious wave.

浇口尺寸与螺旋线流动长度关系曲线(L-H曲线)的变化不是单调的递增或递减,曲线形状呈较为明显的“波浪”形;收藏指正

80. Buoy type fluid change send implement it is buoy of instead of ball of will magnetic float, it is designed according to Archimedes flotage principle.

浮筒式液位变送器是将磁性浮球改为浮筒，它是根据阿基米德浮力原理设计的。