gravimetry

简明释义

英[ɡrəˈvɪmətri]美[ɡrəˈvɪmətri]

n. 重量测定；密度测定；重量分析法

英英释义

单词用法

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例句

1.The process was investigated in detail through the comparison of DTG (differential thermal gravimetry) and DSC (differential scanning calorimetry) curves of wheat straw.

通过对实验所得小麦秸秆的DTG和DSC曲线对比分析，对生物质热解过程进行了详细的探讨。

2.Lunar gravimetry is one of the most useful approaches to understand interior constitution and structure of the moon, a fundamental consideration for choice of landing sites in future.

月球重力场探测是了解月球内部结构构造最有效的手段之一，也是未来登陆点选择的重要依据。

3.The conditions of cellulase production of microbial consortia MC1 capable of degrading cellulose with high efficiency were investigated with CMC saccharogenic powder and gravimetry.

用CMC糖化力法和纤维素减重法探讨了对一组高效稳定的纤维素分解细菌复合系MC1的产酶条件。

4.Considering the characteristics of the processing of aerial gravimetry data, a FIR digital filter based on the window function is designed.

针对航空重力测量数据事后处理的特点，基于窗函数法设计了FIR数字滤波器。

5.Lunar gravimetry is one of the most useful approaches to understanding the interior constitution and structure of the moon and also serves as a fundamental basis for choice of landing sites in future.

月球重力场探测是了解月球内部结构构造最有效的手段之一，也是未来登陆点选择的重要依据。

6.Objective: To evaluate if the gravimetry improves the efficiency of the rat single-pass intestinal perfusion technique.

目的：评价重量法在大鼠在体肠单向灌流技术中的应用。

7.We report a novel application of microwave heating technique as an alternative to the conventional ignition method in gravimetry.

本文报道了用微波加热技术代替传统灼烧方法进行重量分析的新方法。

8.In gravimetry and levelling observations. there exist the important information of gravity field and vertical component of geometrical position.

重力与水准观测值中都含有重要的重力场信息与点位垂直分量的几何信息。

9.Scientists use gravimetry to measure the gravitational field of the Earth.

科学家使用重力测量法来测量地球的引力场。

10.The gravimetry technique is essential in geophysical surveys.

重力测量法技术在地球物理勘探中至关重要。

11.By applying gravimetry, researchers can detect mineral deposits underground.

通过应用重力测量法，研究人员可以探测地下矿藏。

12.In archaeology, gravimetry can help locate buried structures.

在考古学中，重力测量法可以帮助定位埋藏的结构。

13.The accuracy of gravimetry has improved significantly with modern technology.

随着现代技术的发展，重力测量法的准确性显著提高。

作文

Gravimetry is a scientific technique that measures the gravitational force exerted by an object. This method is pivotal in various fields, including geophysics, environmental science, and even archaeology. The term 'gravimetry' refers to the measurement of weight or mass based on the gravitational pull of the Earth. By understanding the variations in gravity, scientists can infer a great deal about the composition and structure of the Earth beneath our feet. One of the primary applications of gravimetry (重力测量) is in the exploration of natural resources. For instance, oil companies often utilize this technique to locate potential oil reserves. By measuring the gravitational anomalies in a region, they can identify areas where there may be significant deposits of hydrocarbons. These anomalies occur because different materials have different densities; therefore, regions with oil will exhibit a different gravitational pull compared to surrounding areas. In addition to resource exploration, gravimetry (重力测量) plays a crucial role in understanding geological processes. Scientists use it to study tectonic movements, volcanic activity, and even groundwater changes. For example, when a volcano is about to erupt, the magma chamber beneath it may cause a change in the local gravitational field. By monitoring these changes, researchers can predict volcanic eruptions and potentially save lives. Another fascinating application of gravimetry (重力测量) is in the field of climate science. As glaciers melt due to global warming, the distribution of mass on Earth changes, which can be detected through gravimetric measurements. This information is vital for understanding sea-level rise and its implications for coastal communities worldwide. By analyzing gravitational data, scientists can model how much ice is lost each year and project future changes in sea levels. Moreover, gravimetry (重力测量) is also used in space missions. Satellites equipped with gravimetric sensors can map the gravitational field of celestial bodies, such as the Moon and Mars. This data helps scientists understand the internal structure of these bodies and can guide future exploration missions. For instance, NASA's GRACE (Gravity Recovery and Climate Experiment) mission has provided invaluable data on Earth's gravity field and its changes over time, contributing significantly to our understanding of climate dynamics. Despite its many applications, gravimetry (重力测量) is not without its challenges. The accuracy of gravitational measurements can be affected by various factors, including topography, atmospheric pressure, and even human activities. Therefore, researchers must carefully calibrate their instruments and account for these variables to obtain precise data. In conclusion, gravimetry (重力测量) is a powerful tool that provides insights into the Earth's structure and processes. Its applications span multiple disciplines, from resource exploration to climate science and space exploration. As technology advances, the precision and scope of gravimetry (重力测量) will continue to grow, offering new opportunities for discovery and understanding of our planet and beyond.