laminar

简明释义

英[ˈlæmɪnə(r)]美[ˈlæmɪnər]

adj. 薄片状的，由薄片组成的；层流的；层状的，板状的

英英释义

单词用法

同义词

反义词

例句

1.This could be done with surfaces that change shape, or by using a system of holes and slots that can be opened and closed as appropriate to create suction that maintains laminar flow.

这将通过改变机翼表面形状，或采用能适当的开启和关闭孔、缝以吸住层流的系统来实现。

2.This paper studies the flow law of the laminar helical flow of the power law fluid and Billgham fluid in eccentric annular space and the determination of the flow state.

本文全面地研究了幂律流体和宾汉流体在偏心环空中层流螺旋流的流动规律与流动状态的判别。

3.Some way into its path - perhaps around the 10 m mark (or at about the position of the wall of defenders) - the ball's velocity dropped such that it entered the laminar flow regime.

在球运行路径的某一点(10米处，或人墙的位置)球的速度下降，使空气在球体表面形成较稳定的层流。

4.Objective To investigate a clinical application and indication of the minimally invasive surgery through inter-laminar space for the treatment of lumbar disc herniation(LDH).

目的探讨经椎板间隙直视下微创手术治疗腰椎间盘突出症的临床价值和适应证。

5.The computation results show that the effect of density to laminar bottom layer in vertical pipeline is obvious and is bigger than that of viscosity, which can not be ignored.

研究结果表明，密度对竖直管道顺序输送过程中层流底层的影响比较明显，并且大于粘度影响，不可忽略。

6.The fraction with smaller molecular weight, molecular weight distribution and lower content of short chain branching could form thinner and more uniform laminar crystals.

较低摩尔质量且支化度小的窄摩尔质量分布级分具有较完善、分布更加均匀的薄片晶结构。

7.This could be done with surfaces that change shape, or by using a system of holes and slots that can be opened and closed as appropriate to create suction that maintains laminar flow.

这将通过改变机翼表面形状，或采用能适当的开启和关闭孔、缝以吸住层流的系统来实现。

8.Study on the laminar combustion characteristics of low calorific value gas fuel provide people with an overall understanding of the fuel combustion quality.

对低热值气体燃料层流燃烧特性的研究可对燃料的燃烧品质进行全面的了解，为其在发动机上的应用提供理论基础。

9.An operating room information management system integrated with HIS, PACS, LIS and EMR systems was developed while setting up clean laminar flow operating room in our hospital.

我们在建设层流洁净手术室的同时，研发了一套与HIS、PACS、LIS、EMR等系统相集成的手术室信息管理系统。

10.A laminar boundary layer is crucial for reducing drag on vehicles.

一个层流边界层对减少车辆阻力至关重要。

11.The laminar nature of the river's flow makes it ideal for kayaking.

河流的层流特性使其非常适合皮划艇运动。

12.The laminar airflow in the clean room prevents contamination.

洁净室中的层流防止了污染。

13.In a laminar flow, the fluid moves in parallel layers without disruption.

在层流中，流体平行层流动而没有干扰。

14.Engineers study laminar flow to improve aircraft design.

工程师研究层流以改善飞机设计。

作文

In the study of fluid dynamics, the term laminar refers to a type of flow where a fluid moves in smooth paths or layers. This is in contrast to turbulent flow, where the motion is chaotic and irregular. Understanding laminar flow is essential in various fields, including engineering, meteorology, and even medicine. For example, in an engineering context, laminar flow can significantly reduce drag on objects moving through a fluid, such as aircraft wings or ship hulls. This principle is crucial for the design of efficient vehicles, as minimizing resistance leads to better fuel efficiency and performance.In addition to its applications in engineering, laminar flow plays a vital role in the medical field, particularly in surgical environments. Operating rooms often utilize laminar airflow systems to maintain a sterile environment. These systems work by directing clean air in a laminar manner, which helps to prevent the spread of airborne contaminants. The use of laminar airflow not only protects patients but also enhances the overall success rate of surgical procedures.Moreover, the concept of laminar flow extends to natural phenomena as well. For instance, rivers and streams often exhibit laminar flow under certain conditions, contributing to the overall ecosystem's health. When water flows laminarly, it allows for sediment to settle more effectively, creating habitats for various aquatic species. In contrast, turbulent flow can lead to erosion and disrupt these delicate ecosystems.In educational settings, students studying physics and engineering are introduced to laminar flow through experiments and simulations. By observing how fluids behave under different conditions, they gain insights into the principles governing laminar and turbulent flows. These foundational concepts are critical for aspiring engineers and scientists, as they apply these principles to real-world problems. Furthermore, the significance of laminar flow can also be seen in the context of environmental science. Understanding how pollutants disperse in bodies of water can help scientists develop strategies to mitigate their impact. In situations where laminar flow is present, pollutants may be contained within specific layers, making them easier to manage. This knowledge is vital for maintaining the health of our waterways and ensuring clean drinking water for communities.In conclusion, the term laminar encompasses a wide range of applications across various disciplines. From enhancing the efficiency of vehicles to maintaining sterile environments in hospitals, the principles of laminar flow are integral to both technology and nature. As we continue to explore and understand these concepts, we can innovate and implement solutions that benefit society and the environment alike. The study of laminar flow not only enriches our scientific knowledge but also has practical implications that can lead to a better understanding of the world around us.

在流体动力学的研究中，术语层流指的是一种流动状态，其中流体以平滑的路径或层次移动。这与湍流形成鲜明对比，后者的运动是混乱和不规则的。理解层流对于工程、气象甚至医学等多个领域至关重要。例如，在工程背景下，层流可以显著减少物体在流体中移动时的阻力，例如飞机机翼或船体。这一原理对于高效车辆的设计至关重要，因为减少阻力有助于提高燃油效率和性能。除了在工程中的应用外，层流在医疗领域也发挥着重要作用，特别是在外科环境中。手术室通常利用层流空气系统来维持无菌环境。这些系统通过以层流的方式引导洁净空气，有助于防止空气传播的污染物扩散。使用层流空气不仅保护患者，还提高了手术成功率。此外，层流的概念还延伸到自然现象中。例如，河流和溪流在特定条件下常常表现出层流，这对整体生态系统的健康至关重要。当水以层流的方式流动时，它能更有效地使沉积物沉淀，从而为各种水生物种创造栖息地。相比之下，湍流可能导致侵蚀并破坏这些脆弱的生态系统。在教育环境中，学习物理和工程的学生通过实验和模拟接触到层流。通过观察流体在不同条件下的行为，他们获得了关于层流和湍流的基本原理的见解。这些基础概念对有志于成为工程师和科学家的学生至关重要，因为他们将这些原理应用于现实世界的问题。此外，层流的意义在环境科学的背景下也得以体现。了解污染物在水体中的扩散方式可以帮助科学家制定减轻其影响的策略。在存在层流的情况下，污染物可能被限制在特定层中，使其更易于管理。这一知识对于维护水道的健康和确保社区的饮用水安全至关重要。总之，术语层流涵盖了多个学科中广泛的应用。从提高车辆的效率到维持医院的无菌环境，层流的原理对技术和自然都至关重要。随着我们继续探索和理解这些概念，我们可以创新并实施有利于社会和环境的解决方案。对层流的研究不仅丰富了我们的科学知识，而且具有实际意义，能够帮助我们更好地理解周围的世界。