The paper introduced the principle of dimensional homogeneity and π theorem and put forward the mean of dimensional analyses method in the physics teaching. Some examples were discussed by dimensional analyses method in the mechanics teaching.

  • 简述了量纲分析方法中的量纲齐次原则和π定理,指出了量纲分析方法在物理教学中的意义,通过几个实例探讨了量纲分析法在力学教学中的应用。
  • 来源:互联网摘选更新时间:2025-01-20 12:31:03

  • 重点词汇
  • theoremn.[数] 定理;(能证明的)一般原理,公理,定律,法则;
  • introducedadj.[医]引种的,引进的;
  • ofprep. 关于;属于…的;由…制成;
  • put forward提出;将…提前;向前移;将钟拨快;
  • dimensionaladj.尺寸的;<物>量纲的;<数>因次的;维的;
  • analysesn.分析(analysis的名词复数 );检验;解析;分解;
  • methodn.方法;有条不紊;
  • meanv.意思是;打算;意味着;意义重大;表明;对…当真;
  • principlen.道德原则;法则;观念;理由;定律;
  • mechanicsn.力学;机械学;构成法;技术;
  • theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用,指事物或统称的人;用于姓氏的复数形式前,指家庭或夫妇;(指特定用途的事物)足够,恰好;每,一;当前的,本,此;(重读,表示所指的为知名或重要的人或事物)
  • 相关例句
1、

By Principle of Dimensional Homogeneity to Determine the Reasonable Safe Range with Safety Factor K from Seism Induced by Explosion

由量纲和谐原理看爆破地震安全距离K系数取值的合理性

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2、

Relationship between Dimensional Stability and Stabilization Time for Curved Wood

弯曲木材尺寸稳定性与陈化时间的关系

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3、

Conclusion Both Kaneda device and Z plate system can supply better three dimensional stabilization and reliance for thoraco lumbar spine reconstruction.

结论Kaneda和Z-plate内固定术均可为胸腰段脊柱重建提供更好的三维稳定性和可靠性。

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4、

Study on improving dimensional stabilization of wood

改善木材体积稳定性的研究&马尾松、落叶松等六种木材的改性处理

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5、

Effect of Cyclic Treatment on Dimensional Stabilization of Al Alloys

循环处理对铝合金尺寸稳定性的影响

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6、

To obtain exact solutions of ( 3+ 1)-dimensional equation, the transformation relation between the traveling wave solutions of the ( 3+ 1)-dimensional equation and those of the cubic nonlinear Klein-Gordon ( NKG) equation was established.

为了得到(3+1)维可积模型的精确解,建立了(3+1)维非线性偏微分方程与一维的立方非线性Klein Gordon(NKG)方程的解之间的变换关系;

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7、
8、

The Investigation on the Upconversion Excitation Processes with a Square Wave Laser Research on the Specific Solutions in Instantaneous Form for One Dimensional Equation of Heat Transfer in Biological Tissue Caused by CW Laser

用方波激光激发研究上转换发光的激发过程连续波激光作用于生物组织中的一维瞬态热传导方程定解问题

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9、

As a preliminary approach, a crude non dimensional equation for the specific cake resistance was derived in dynamic filtration, and those factors which affected the specific resistance were discussed.

从理论分析入手,讨论了影响滤饼比阻大小的因素,并结合因次分析法得出动态过滤条件下比阻的准数关联式。

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10、

Research on the Specific Solutions in Instantaneous Form for One Dimensional Equation of Heat Transfer in Biological Tissue Caused by CW Laser

连续波激光作用于生物组织中的一维瞬态热传导方程定解问题

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11、

The alternating direction implicit ( ADI) scheme was used to solve the two dimensional equation.

二维模型采用隐式交替方向法(ADI)求解。

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12、

The function of the dimensional equation in identifying the relationship between physical quantities is also mentioned.

论述了量纲式配合普遍形式的物理方程在辨识物理量之间关系时的作用。

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13、

Mathematical model of dimensional tolerance of straight line based on variation along DOF

基于自由度变动的直线尺寸公差数学模型

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14、

Study on Dimensional Tolerance Inquiry and Label System of Plastic Mold Structural Part

塑料模具结构零件尺寸公差查询和标注系统的研制

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15、

A Design Method for Statistical Dimensional Tolerance

统计尺寸公差的设计方法

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16、

The Function and Control of the Statistical Dimensional Tolerance

统计尺寸公差的功能及控制

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17、

One is using dimensional tolerance and the other is profile tolerance.

一种意见是在建立了形位公差概念之后,应采用尺寸公差;

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18、

The research on the design methods of dimensional tolerance

尺寸公差若干设计方法分析

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19、

In recent years, enterprise standards are adopted in the selection and annotation of dimensional tolerance for mold parts.

近年来在企业中模具图纸尺寸公差与配合的选用和标注大量使用企业标准。

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20、

On the bases of variable universe adaptive fuzzy control, this article designs a single variable fuzzy controller with two dimensional using speed deviation and warp speed rate.

基于变论域自适应模糊控制理论,设计了以速度误差和误差变化率为输入的单变量二维模糊控制器。

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