This paper mainly makes the deduction of calculating expressions of area and volume in classical calculus simple.

1、

An approximate expression of the volume of body of rotation together with its error estimation is derived on the basis of theory of numbers.

本文用数论方法推导出一个计算旋转体体积的近似公式，并给出该近似公式的误差估计。

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2、

Modification of Calculation Formula for Gas Reservoir Volume Factor

气藏气体体积系数计算公式的修正

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3、

It only needs to record the electrode potentials at two points nearby the stoichiometric point and the corresponding volumes of the titrant, and the stoichiometric point can be calculated by the two-point equation.

该法只需记录两次电极电位值和相应滴定剂体积，利用公式即可计算滴定化学计量点。

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4、

Some formulas for calculating crack opening area and crack opening volume

计算裂缝张开面积和裂缝张开体积的几个公式

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5、

In accordance with the mechanism of its reducing water impact pressure, a calculation formula for the gas tank volume is deduced, which is proved to have high accuracy through verification tests.

根据其减缓水击压力的原理，推导了储气罐体积计算公式，通过试验验证，证明该公式具有较高的精度。

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6、

Notes on Archimedes' proofs of the volume of joined umbrella

关于阿基米德合盖体积公式的注记

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7、

Modified formula for volume or bulk estimation by contour diagram

等高线图上估算容积体积公式的改进

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8、

The Integration Formula about Area of Rotational Surface and Volume of the Body of Rotation

旋转曲面面积与旋转体体积的积分公式

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9、

According to the equal speed sampling principle, we obtain the calculating formula for the sampling volume in standard state.

根据等速采样原理，探讨在标准状态下，采样体积的计算公式。

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10、

The origin and development of formula of spheroidal volume in China

中国球体积公式溯源

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11、

The Measurement Representation of Volume Formula on Higher Parallel Solid

高维平行体体积公式的度量表示

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12、

The Volume Formula of a Kind of Rotating Object and Its Application

一类旋转体体积公式及其应用

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13、

Estimation Formula of Standard Liver Volume for Chinese Adults

中国成人标准肝体积评估公式的临床研究

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14、

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

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15、

A New way to Derive the Formula of N-dimensional Sphere's Volume

导出n维球体积公式的一种方法

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16、

Reconstructing the Proof of Babylonian Volume Formula for the Frustum of a Square Pyramid

古巴比伦正四棱台体积公式古证复原

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17、

In this paper, the concept of k dimensional vertex angle of simplex is given, a class of volume formulas of simplex are established, sine theorem of k dimensional vertex angle is derived and a geometric inequality about k dimensional vertex angle is obtained.

本文给出单形K维顶点角的概念，建立单形新的一类体积公式，导出单形K维顶点角的正弦定理，并获得关于单形K维顶点角的一个几何不等式。

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18、

In light of the general method of solving mean value and in view of the isothermal process of both ideal and real gas, this paper presents a further exploration into the volume formula for surge chambers on slush pumps and thereby some new results.

本文用求平均值的普遍方法，针对理想气体和真实气体的等温过程这两种情况，考查了钻井泵空气包的体积公式，得到了一些新结论。

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19、

Application and Extension of the Formula of Volume about Body of Rotation

旋转体体积公式的推广及应用

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20、

The effective absorption layer of a single ray can be used as such physical scale length to obtain a formula for the wave power deposit.

单一波束的有效吸收层的厚度可以合理地作为这一物理尺度，从而获得统一的功率沉积公式。

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