sphericity

简明释义

英[sfɪˈrɪsɪti]美[sfɪˈrɪsəti]

n. [数] 球形；球面

复 数 s p h e r i c i t i e s

英英释义

单词用法

同义词

反义词

例句

1.The turbulence coefficient and permeability is re lated with the grain size, sphericity and roughness of the proppant, and the porosity of the proppant-filling bed, and the experimental conditions.

紊流系数和渗透率与支撑剂粒度、球度、圆度、支撑剂充填层孔隙度和实验条件等有关。

2.The turbulence coefficient and permeability is re lated with the grain size, sphericity and roughness of the proppant, and the porosity of the proppant-filling bed, and the experimental conditions.

紊流系数和渗透率与支撑剂粒度、球度、圆度、支撑剂充填层孔隙度和实验条件等有关。

3.An algorithm based on the immune evolutionary computation (IEC) is proposed to evaluate sphericity error.

提出一种新颖的免疫进化计算方法（IEC）用于球度误差评定。

4.Various NC programs to machine sphericity thread form based on ellipse contour are developed using macro programs. This method can be used for the contour machining of all types of conic.

举例编制了椭圆轮廓上球形螺纹的宏加工程序，此方法适用于所有二次曲线的球形螺纹加工。

5.The results show that, typical morphologies of vanadium carbide appears in the shape of sphericity and strip, and chromium carbide appears lump and lath.

结果表明，钒碳化物为球状和条状，铬碳化物为块状和板条状。

6.The likelihood ratio criterion of sphericity test, its asymptotic expansion and limiting distribution are obtained.

论文得到了球形检验的似然比准则，它的渐近展开与极限分布。

7.The results show that the free-lead solder powder is best in the efficient atomization efficiency, size distribution and degree of sphericity with helium as the atomizing medium.

结果表明：在一定雾化条件下，氦气雾化粉末具有最高的有效雾化率、良好的粒度分布，且球形度最好；

8.The effects of slurry solid content and operation technology on the sphericity and average diameter of the microspheres were investigated.

论文其次研究了操作工艺、料浆固含量对微球粒径与球形度的影响。

9.It was found that petroleum pitch addition could improve the sphericity of pitch spheres by stabilizing the surfactant orientation on the interface between pitch molecules and dispersant.

研究发现，添加石油沥青可以促进乳化液中沥青分子与分散剂界面上表面活性剂分子的取向稳定性，从而明显改善沥青微球的球形度。

10.The sphericity of a particle can be calculated using various mathematical formulas.

颗粒的球形度可以通过各种数学公式进行计算。

11.The sphericity of the Earth is often compared to that of a perfect sphere, but it is slightly oblate.

地球的球形度常常与完美球体进行比较，但它略微扁平。

12.In geology, the sphericity of sediment particles can affect their transport and deposition.

在地质学中，沉积物颗粒的球形度会影响它们的运输和沉积。

13.When designing a new toy, we consider the sphericity to ensure safety for children.

在设计新玩具时，我们考虑球形度以确保儿童的安全。

14.Researchers measured the sphericity of the moon to understand its geological history.

研究人员测量了月球的球形度以了解其地质历史。

作文

In the realm of science and mathematics, the concept of sphericity plays a crucial role in understanding the shape and structure of various objects. Sphericity is defined as a measure of how closely the shape of an object resembles that of a perfect sphere. This characteristic is particularly important in fields such as geology, biology, and materials science, where the shape of particles or organisms can significantly influence their behavior and interactions.For instance, in geology, the sphericity of sedimentary particles can affect how they are transported by water or wind. Rounder particles, which exhibit higher sphericity, tend to travel further and settle more evenly than irregularly shaped ones. This has implications for sediment deposition patterns in rivers and oceans, influencing the formation of various geological features.In biology, the sphericity of cells can impact their function and efficiency. For example, red blood cells have a biconcave shape that maximizes their surface area for oxygen transport while maintaining a relatively high degree of sphericity. This design allows them to navigate through narrow capillaries while ensuring effective gas exchange. On the other hand, cancer cells often display irregular shapes with lower sphericity, which can contribute to their ability to invade surrounding tissues and metastasize.Moreover, in materials science, the sphericity of powdered materials is a critical factor in determining their flow properties and packing behavior. Powders with higher sphericity tend to flow more freely and pack more uniformly, which is essential for processes like 3D printing and pharmaceuticals manufacturing. Engineers and scientists often strive to create materials with optimal sphericity to enhance performance and efficiency in various applications.The importance of sphericity extends beyond the natural sciences; it also finds relevance in art and design. Artists often utilize the principles of sphericity to create visually appealing sculptures and structures. The smooth curves and balanced proportions of spherical forms evoke a sense of harmony and beauty. Understanding sphericity allows artists to manipulate shapes effectively, leading to innovative designs that captivate audiences.In conclusion, sphericity is a multifaceted concept that bridges various disciplines, from the natural sciences to art and design. Its significance lies in its ability to describe and quantify the shape of objects, influencing their behavior and interactions in diverse contexts. By studying sphericity, we gain insights into the world around us, enhancing our understanding of both natural phenomena and human creativity. As we continue to explore the intricacies of sphericity, we unlock new possibilities for innovation and discovery in countless fields.

在科学和数学领域，sphericity的概念在理解各种物体的形状和结构方面发挥着至关重要的作用。sphericity被定义为一个物体的形状与完美球体的相似程度的量度。这个特征在地质学、生物学和材料科学等领域尤为重要，因为粒子或生物体的形状可以显著影响它们的行为和相互作用。例如，在地质学中，沉积颗粒的sphericity会影响它们被水或风运输的方式。圆形颗粒具有更高的sphericity，往往比不规则形状的颗粒更容易移动并且沉积得更加均匀。这对河流和海洋中的沉积模式产生了影响，从而影响各种地质特征的形成。在生物学中，细胞的sphericity会影响其功能和效率。例如，红血球具有双凹形状，最大化其表面积以进行氧气运输，同时保持相对较高的sphericity。这种设计使它们能够在狭窄的毛细血管中顺利通过，同时确保有效的气体交换。另一方面，癌细胞通常呈现不规则形状，具有较低的sphericity，这可能有助于它们侵入周围组织并转移。此外，在材料科学中，粉末材料的sphericity是决定其流动特性和堆积行为的关键因素。具有更高sphericity的粉末往往流动更顺畅，堆积更均匀，这对于3D打印和制药制造等过程至关重要。工程师和科学家常常努力创造具有最佳sphericity的材料，以提高各种应用中的性能和效率。Sphericity的重要性不仅限于自然科学；它在艺术和设计中也有相关性。艺术家们常常利用sphericity的原理来创作视觉上吸引人的雕塑和结构。球形形式的光滑曲线和均衡比例唤起了一种和谐美感。理解sphericity使艺术家能够有效地操控形状，从而创造出吸引观众的创新设计。总之，sphericity是一个多面向的概念，连接了多个学科，从自然科学到艺术和设计。它的重要性在于其描述和量化物体形状的能力，影响着它们在不同背景下的行为和相互作用。通过研究sphericity，我们获得了对周围世界的洞察，增强了我们对自然现象和人类创造力的理解。随着我们继续探索sphericity的复杂性，我们为无数领域的创新和发现开启了新的可能性。