In this paper, the two dimensional sound field is analysised by boundary element method and numerical formulars are brought out after three different procedures are compared.

1、

Boundary element analysis for two dimensional sound fied

二维声场的边界元分析

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2、

Testing method for dimensional change in steam pressing

织物蒸汽压处理后尺寸的变化率试验法

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3、

Testing method for dimensional change of garments: automatic home laundering

测定服装尺寸变化试验法：家庭自动洗衣机洗涤法

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4、

Testing method for dimensional change of wool cloth: relaxation method

毛织物尺寸的变化率测定：松弛试验方法

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5、

A Study on Dimensional Change of Ceramic Shell in Investment Casting

熔模铸造型壳的线量变化研究

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6、

Testing method for dimensional change of cloth: soap solution method

织物尺寸的变化率测定：肥皂溶液法

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7、

Testing method for dimensional change in dry cleaning of fabrics

布在洗涤和干燥时尺寸变化的测定

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8、

A New Technology for Rapid Dimensional Change Testing

快速测试尺寸变化的新技术

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9、

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。

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10、

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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11、

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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12、

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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13、

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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14、

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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15、

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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16、

An Unconditionally Stable High-Order Semi-Explicit Difference Method for Solving 3D Heat Conduction Equation Research on the Specific Solutions in Instantaneous Form for One Dimensional Equation of Heat Transfer in Biological Tissue Caused by CW Laser

三维热传导方程恒稳定的高精度半显式差分方法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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17、

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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18、

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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19、

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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20、

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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