介绍一种定量ct骨矿密度测量系统。
This paper introduces a kind of bone mineral density (BMD) measuring system with quantitative CT (QCT).
文中还讨论了提高精密度测量的条件。
The condition of obtaining high precision measure is also discussed.
海绵密度测定仪是领先的固体密度测量仪器。
The sponge density measuring instrument is a solid density measuring instrument leading.
用于泡沫材料密度测量的X射线源是特制的激发源。
The X-ray source used in this experiment is particularly prepared.
文中给出了模拟装置的等离子体的离子密度测量结果。
The result of measured plasma ion density in a device simulating plasma is represented.
研究了基于谐振原理的振动管式电解液密度测量装置。
This article made a scientific research on the apparatus measuring the electrolyte density based on the principle of syntony.
目的观察骨密度测量在职业性氟中毒诊断中的应用价值。
Objective To study the value of measurement of bone mineral density in vocational fluorosis.
要分辨一种物质，可以用密度测量法。而无须借助费事繁琐的化学分析法。
One way to identify a substance without resorting to fiddly chemical methods is to determine its density.
能量测量不确定度小于10%，功率密度测量不确定度小于15%。
The energy measurement uncertainty is less than 10%, and the power density measurement uncertainty is less than 15%.
图形技术。图形工艺反射光密度测量。术语、公式、图象元素和程序。
Graphic technology - Graphic arts reflection densitometry measurements - Terminology, equations, image elements and procedures.
目的促进DXA骨密度测量技术的临床应用和提高骨密度诊断的精度。
Objectives To improve the accuracy of diagnosis of osteoporosis and promote the clinical use of dual-energy x-ray photon absorptiometry for assessment of osteoporosis.
骨密度测量结果显示血管束植入后组织工程骨新骨生长较未植入血管束者多。
The results of the DEXA demonstrated that the vascularized tissue-engineered bone produced more boney tissue.
目的探讨螺旋CT平扫与强化扫描肺实质密度测量在周围性肺栓塞诊断中的作用。
Objective to assess the value of helical ct densitometry in diagnosing peripheral pulmonary embolism (PE).
目的通过试验测试，设计制作出与标准固体体模等效的qct骨密度测量液体体模。
Objective to develop the Liquid phantom used to measure bone mineral content in QCT and has equivalent effectiveness with solid phantom made of Hydroxyapatite.
海绵密度测定仪主要用于各种海绵原料及海绵制品的密度测量，操作简单，精确度好。
The sponge density measuring instrument is mainly used for measuring the density of various sponge, sponge products raw materials and has the advantages of simple operation, good accuracy.
骨密度测量为骨质疏松提供定量评估依据，并为预防股骨近端骨折并发症的发生提供理论基础。
The measurement for BMD provides a subjective evidence for quantitative evaluation of osteoporosis, and also a theoretical basis for preventing the complication of proximal femur fracture.
结论：应用光密度测量软件结合曲面体层摄影，能够对预种植下颌骨的局部骨质量进行量化描述。
Conclusion:The approach of optical density analysis is able to classify the different divisions of mandible and its results bear the same fidelity with the SimPlant with CT scan.
在其中一次应用中，作业者使用密度测量数据来识别17-1/2英寸井眼中油气含量较低的储层。
In one case, an operator used the density measurement to identify shallow hydrocarbon deposits in a 17-1/2-inch borehole.
采用药柱密度测量技术和密闭爆发器试验，分析了试样的损伤程度，并对损伤装药的燃烧性能进行了研究。
The effects of physical dimension(inner diameter and length-to-diameter ratio) on the combustion performance of a tubular variable-burning-rate gun propellant were investigated by closed bomb test.
本文介绍了一种改进的、原理简单的溶液密度测量装置——磁浮密度计，讨论了影响精密度和准确度的因素。
A simple, modified magnetic float densimeter that can be used to determine the density of solution is described and the factors that influence its precision and accuracy are discussed in detail.
ALD可以进行井下密度测量，包括高质量的井眼成像测井，利用地质导向帮助作业者优化井位，减少地质不确定性。
ALD provides downhole density measurements, including high-quality borehole image logs, to help optimize wellbore placement through geosteering and to reduce geological uncertainties.
近年来，专色油墨被广泛地应用于印刷中，能否使用密度测量的方法对专色油墨印刷进行控制是很多企业所关心的问题。
It has been a growing concern in the printing industry that if can we use densitometry to measure and control spot color ink or not when considering printing process control.
研究者称：通过对671名平均年龄是55岁的妇女的研究发现，他们有能力在骨密度测量同样程度下预测骨质疏松症的情况。
Looking at 671 women with an average age of 55, the researchers said they were able to predict osteoporosis conditions to the same extent as the bone density measurements.
密度测量结果意味着这些物质一定是水晶，而被许多人珍视的钻石，实质是碳元素的单质晶体。 也就是说，那颗行星的大部分可能都与钻石类似。
The density means that this material is certain to be crystalline, that is, a large part of the star may be similar to a diamond.
通过非线性有限元模型获得的L2脊椎强度为2154 /- 685N，相比骨密度测量，这个模型可以更好的发现之前存在的脊椎骨折。
The L2 vertebral strength obtained with the FEM was 2154 /- 685 N, and the model could detect preexisting vertebral fracture better than measurement of bone mineral density.
后来，其他研究人员测量了密度差，发现了一个显著的差异。
Later, other researchers measured the density differential and found a significant difference.
可以使用双能X 射线吸收仪测量下颌角和股骨区的骨密度。
The bone density of the mandibular angle and coxofemoral region can be measured with dual-energy X-ray absorptiometer.
研究者还特别留意了女性们前额以及脸颊皮肤的紧实度，并且运用X光测量了骨质的密度。
They also noted the firmness of the skin on the women's foreheads and cheeks, and used X-rays to measure the density of their bones.
例如，通过测量基本音高来测量宇宙的密度。
For example, by measuring the basic pitch, you measure the density of the universe.
例如，通过测量基本音高来测量宇宙的密度。
For example, by measuring the basic pitch, you measure the density of the universe.
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