dilatation

简明释义

英[ˌdaɪləˈteɪʃn;ˌdɪləˈteɪʃn]美[ˌdaɪləˈteɪʃnˌˌdɪləˈteɪʃn]

n. 扩张；详述；膨胀度

英英释义

单词用法

同义词

反义词

例句

1.The urethra dilatation catheter comprises an epitheca and a hole closing device arranged in the epitheca.

所述尿道扩张导管包括设置在所述扩张导管内的上皮和闭孔装置。

2.When dizziness disturbed mind intracranial vascular dilatation and congestion.

当头晕目眩、心神不安时，颅内血管扩张充血。

3.Objective To explore the efficacy of gastrofiberscope-assisted balloon catheter dilatation of esophageal stricture.

目的探讨纤维胃镜下气囊导管扩张治疗食管狭窄的疗效。

4.Endoscopic balloon dilatation for treatment of benign gastric outlet obstruction is an effective and safe method.

经内镜球囊扩张是治疗良性胃输出端梗阻的安全而有效的方法。

5.Complications include toxic dilatation of large intestine and acute kidney disease.

并发症包括大肠扩张，以及急性肾病。

6.The purpose of this tube is to empty the stomach of secretions and gas to prevent gastric dilatation.

毛鼻胃插管的目的是排空胃部分泌物和气体，防止胃扩张。

7.Methods 130 patients underwent the dilatation radical correction of rectal neoplasm of reservation autonomic nerve.

方法对130例直肠癌患者行保留植物神经的直肠癌扩大根治术。

8.Surgery way including esophagus dilatation, membranous web excision method, esophagus partial excision methods and so on.

手术方式包括食管扩张术、膜状蹼切除术、食管部分切除术等。

9.The doctor explained that the dilatation of the blood vessels can lead to lower blood pressure.

医生解释说，血管的扩张可能导致血压降低。

10.In engineering, dilatation refers to the expansion of materials when heated.

在工程学中，膨胀指的是材料在加热时的扩展。

11.The ultrasound showed a significant dilatation in the patient's heart chambers.

超声波显示患者心腔有明显的扩张。

12.Thermal dilatation can cause bridges to expand and contract with temperature changes.

热膨胀可能导致桥梁随着温度变化而扩展和收缩。

13.The engineer measured the dilatation of the metal rod under heat.

工程师测量了金属杆在加热下的膨胀。

作文

In the field of science, particularly in physics and biology, the term dilatation refers to the process of expansion or enlargement. This phenomenon can be observed in various contexts, such as the dilatation of materials when subjected to heat or the dilatation of blood vessels in response to increased blood flow. Understanding dilatation is crucial for comprehending how different systems respond to changes in their environment. For instance, when metals are heated, they undergo a physical change known as thermal expansion. This means that the metal expands, and this expansion is a direct result of dilatation. Engineers must consider this property when designing structures, as ignoring dilatation can lead to catastrophic failures. Bridges, for example, are built with expansion joints that allow for dilatation due to temperature changes, ensuring the integrity and safety of the structure. In the biological realm, dilatation plays a significant role in human physiology. When we exercise, our muscles require more oxygen, which leads to an increase in blood flow. This increased demand causes the blood vessels to undergo dilatation, allowing more blood to reach the muscles. This physiological response is essential for maintaining performance and endurance during physical activities. Understanding the mechanisms behind dilatation can help medical professionals develop better treatments for cardiovascular diseases, where dilatation may be impaired. Moreover, dilatation is not only limited to physical and biological sciences but also finds applications in various engineering fields. For example, in civil engineering, the concept of dilatation is used to ensure that roads and pavements can withstand temperature fluctuations without cracking. Materials like asphalt and concrete are designed to accommodate dilatation, which is critical for the longevity of infrastructure. Furthermore, the study of dilatation extends into the realm of cosmology. Scientists observe the dilatation of the universe itself, as it continues to expand since the Big Bang. This cosmic dilatation has profound implications for our understanding of the universe's fate and the nature of dark energy. In conclusion, dilatation is a multifaceted concept that spans across various scientific disciplines. Whether in the context of materials science, human physiology, civil engineering, or cosmology, the principles of dilatation provide insight into how systems react to changes in conditions. By grasping the significance of dilatation, we can better appreciate the complexities of the world around us and apply this knowledge to improve technology, health, and our understanding of the universe. The study of dilatation ultimately enhances our ability to innovate and adapt in an ever-changing environment.

在科学领域，特别是物理学和生物学中，术语dilatation指的是扩张或增大的过程。这种现象可以在各种背景下观察到，例如材料在热量作用下的dilatation或血管在血流增加时的dilatation。理解dilatation对理解不同系统如何响应环境变化至关重要。 例如，当金属加热时，它们会经历一种称为热膨胀的物理变化。这意味着金属会扩展，这种扩展是dilatation的直接结果。工程师在设计结构时必须考虑这一特性，因为忽视dilatation可能导致灾难性的失败。例如，桥梁的建造采用了允许温度变化导致dilatation的伸缩缝，以确保结构的完整性和安全性。 在生物领域，dilatation在人体生理学中扮演着重要角色。当我们锻炼时，肌肉需要更多的氧气，这导致血流量增加。这种需求的增加使得血管经历dilatation，允许更多的血液到达肌肉。这种生理反应对于维持身体活动期间的表现和耐力至关重要。理解dilatation背后的机制可以帮助医疗专业人员开发更好的心血管疾病治疗方案，在这些疾病中，dilatation可能受到损害。 此外，dilatation不仅限于物理和生物科学，还在各个工程领域中找到应用。例如，在土木工程中，dilatation的概念用于确保道路和人行道能够承受温度波动而不发生开裂。沥青和混凝土等材料被设计成可以适应dilatation，这对于基础设施的耐久性至关重要。 此外，dilatation的研究还扩展到宇宙学领域。科学家观察到宇宙本身的dilatation，自大爆炸以来它持续扩展。这种宇宙dilatation对我们理解宇宙的命运和暗能量的性质具有深远的影响。 总之，dilatation是一个跨越多个科学学科的多面概念。无论是在材料科学、人类生理学、土木工程还是宇宙学的背景下，dilatation的原理都提供了关于系统如何对条件变化做出反应的见解。通过掌握dilatation的重要性，我们可以更好地欣赏周围世界的复杂性，并将这种知识应用于改善技术、健康和我们对宇宙的理解。对dilatation的研究最终增强了我们在不断变化的环境中创新和适应的能力。