densitometry

简明释义

[densɪˈtɒmətri][densɪˈtɑːmɪtri]

n. 测(光)密度术;显微测密术

英英释义

Densitometry is the measurement of the density of a substance, often used in various scientific fields such as physics, materials science, and medicine to assess the composition or concentration of materials.

密度测量是对物质密度的测量,通常用于物理学、材料科学和医学等多个科学领域,以评估材料的成分或浓度。

单词用法

bone densitometry

骨密度测量

dual-energy x-ray absorptiometry (dexa)

双能X射线吸收法(DEXA)

perform densitometry

进行密度测量

interpret densitometry results

解读密度测量结果

同义词

density measurement

密度测量

The densitometry technique is widely used in medical imaging.

密度测量技术广泛应用于医学成像中。

opacity measurement

不透明度测量

Opacity measurement is crucial for assessing material properties.

不透明度测量对于评估材料特性至关重要。

mass density analysis

质量密度分析

Mass density analysis helps in determining the composition of substances.

质量密度分析有助于确定物质的成分。

反义词

dilution

稀释

The solution was prepared by dilution to achieve the desired concentration.

该溶液通过稀释制备,以达到所需浓度。

rarefaction

稀疏

Rarefaction occurs when the density of a substance decreases.

当物质的密度降低时,就会发生稀疏现象。

例句

1.First separating the ingredient from extraction of licorice with TLC, then measuring quantitatively the content of Glycyrrhetic acid with scan densitometry.

用薄层色谱技术分离甘草提取液中成分后,再用扫描先密度法对甘草次酸进行定量测定。

2.Biomechanical experimental methods, one of whose main aims was to determine the bony quality, couldn't been superseded by the bone densitometry, the histomorphology of bony tissues, and so on.

因此,在骨质疏松药物研发的过程中,以测定骨质量为主要目的的生物力学实验就显得尤为重要,且不能简单地被骨密度测定、骨组织形态学等等实验方法所取代。

3.Objective to evaluate the effect of pulse dye-densitometry by indocyanine green test on the assessment of hepatic function reserve.

目的探讨脉搏染料光密度法吲哚氰绿排泄试验评估肝储备功能的价值。

4.Purpose: To evaluate the clinical value of tissue doppler imaging (TDI), color kinesis(CK) and acoustic densitometry (AD) in the assessment of non-infarcted regional myocardial function.

目的:采用组织多谱勒成像(TDI)、彩色室壁运动分析(CK)及声学密度测定(AD)评价心梗患者非梗塞区心肌功能的改变。

5.The expressions of both FGFR1 and FGFR2 increased gradually with kidney development shown by computerized densitometry, stereography and Western blot.

图像分析结果显示,随着肾脏的发育,FGFR1、FGFR2表达逐渐增高。

6.Conclusion: Acquisition densitometry can detect the myocardial changes in uremia, it is useful in identification of abnormal myocardium.

结论:研究表明,声学密度定量分析技术能客观反映尿毒症性心肌病变,对鉴别心肌异常具有一定的诊断意义。

7.Of those exposed to inhaled corticosteroids, 23% of women and 4% of men underwent bone densitometry.

在接受吸入皮质类固醇的人中,23%的女性及4%的男性经历骨密度测定。

8.Objective: to assess the value of the Acoustic Densitometry (AD) in evaluating the normal liver contrast with the intermittent harmonic imaging.

目的:探讨声学密度定量评价间歇谐波显像在正常肝脏声学造影中的价值。

9.The radiologist performed a dual-energy X-ray absorptiometry (DXA) scan, which is a type of densitometry.

放射科医生进行了双能X射线吸收测量(DXA)扫描,这是一种密度测量法

10.The densitometry results showed a significant decrease in bone density over the past year.

密度测量法的结果显示过去一年骨密度显著下降。

11.We learned that densitometry can be used to evaluate the fat content in various tissues.

我们了解到密度测量法可以用来评估各种组织中的脂肪含量。

12.The doctor recommended a bone mineral density test using densitometry to assess my osteoporosis risk.

医生建议我进行骨密度测试,使用密度测量法来评估我的骨质疏松风险。

13.In our research lab, we utilize densitometry to measure the concentration of proteins in gel electrophoresis.

在我们的研究实验室,我们利用密度测量法来测量凝胶电泳中蛋白质的浓度。

作文

Densitometry is a scientific technique used to measure the density of a substance. In various fields such as medicine, biology, and materials science, densitometry plays a crucial role in providing accurate measurements that can lead to significant discoveries and advancements. This technique is particularly important in the medical field, where it is used to assess bone density, which is vital for diagnosing conditions such as osteoporosis. By measuring the density of bones, healthcare professionals can determine the risk of fractures and recommend appropriate treatments to improve bone health.The principle behind densitometry involves the use of X-rays or other types of radiation. When these rays pass through a material, they are absorbed at different rates depending on the density of the material. For instance, dense materials like bones absorb more radiation than less dense materials like muscle or fat. By analyzing the amount of radiation that passes through a sample, scientists can calculate its density with precision.In addition to its medical applications, densitometry is also employed in the field of biology to study various biological samples. For example, researchers may use densitometry to analyze the density of cell cultures or tissues, which can provide insights into cellular health and function. This information can be critical for understanding diseases and developing new therapeutic strategies.Moreover, densitometry is utilized in materials science to evaluate the properties of different substances. Engineers and scientists can measure the density of metals, plastics, and other materials to determine their suitability for specific applications. For instance, knowing the density of a material can help engineers design lighter and stronger components for aerospace or automotive industries.One common method of densitometry is dual-energy X-ray absorptiometry (DEXA), which is widely used for measuring bone density. DEXA scans are quick and non-invasive, making them an ideal choice for routine screenings. Patients lie on a table while a machine passes over them, emitting low levels of radiation to capture images of the bones. The results provide valuable information about bone health and can guide treatment decisions.In conclusion, densitometry is an essential tool across multiple disciplines, offering critical insights into the density of various substances. Its applications in medicine, biology, and materials science illustrate the versatility and importance of this technique. As technology continues to advance, the methods and accuracy of densitometry will likely improve, leading to even more significant contributions to science and healthcare. Understanding densitometry not only enhances our knowledge of physical properties but also paves the way for innovations that can positively impact our lives.In summary, densitometry (密度测量法) is a powerful technique that measures the density of materials, providing essential data for various scientific and medical applications. Its significance cannot be overstated, as it continues to aid in the advancement of knowledge and technology in numerous fields.

密度测量法是一种用于测量物质密度的科学技术。在医学、生物学和材料科学等多个领域,densitometry(密度测量法)在提供准确的测量结果方面发挥着至关重要的作用,这些结果可能导致重大发现和进展。这项技术在医学领域尤为重要,因为它用于评估骨密度,这对于诊断如骨质疏松症等疾病至关重要。通过测量骨骼的密度,医疗专业人员可以确定骨折的风险,并建议适当的治疗方案以改善骨骼健康。densitometry(密度测量法)的原理涉及使用X射线或其他类型的辐射。当这些射线穿过某种材料时,它们的吸收率会因材料的密度而异。例如,像骨骼这样密集的材料比肌肉或脂肪等低密度材料吸收更多的辐射。通过分析穿过样本的辐射量,科学家可以精确计算其密度。除了医学应用外,densitometry(密度测量法)还在生物学领域被用来研究各种生物样本。例如,研究人员可能会使用densitometry(密度测量法)来分析细胞培养物或组织的密度,这可以提供有关细胞健康和功能的见解。这些信息对理解疾病和开发新的治疗策略至关重要。此外,densitometry(密度测量法)还被应用于材料科学,以评估不同物质的特性。工程师和科学家可以测量金属、塑料和其他材料的密度,以确定它们在特定应用中的适用性。例如,了解一种材料的密度可以帮助工程师为航空航天或汽车工业设计更轻、更强的部件。一种常见的densitometry(密度测量法)方法是双能X射线吸收法(DEXA),它广泛用于测量骨密度。DEXA扫描快速且无创,成为常规筛查的理想选择。患者躺在桌子上,机器在他们身上方移动,发射低水平的辐射以捕捉骨骼的图像。结果提供了关于骨健康的宝贵信息,可以指导治疗决策。总之,densitometry(密度测量法)是多个学科中的重要工具,提供了对各种物质密度的关键见解。它在医学、生物学和材料科学中的应用说明了这一技术的多功能性和重要性。随着技术的不断进步,densitometry(密度测量法)的方法和准确性可能会提高,从而为科学和医疗领域做出更重大的贡献。理解densitometry(密度测量法)不仅增强了我们对物理特性的知识,还为创新铺平了道路,这些创新可以积极影响我们的生活。总之,densitometry(密度测量法)是一种强大的技术,用于测量材料的密度,为各种科学和医疗应用提供基本数据。它的重要性不容小觑,因为它继续促进多个领域知识和技术的进步。