A kind of non-contact high precision nuclear densimeter was developed.

研制了一种非接触式、高精度核子密度计。

The article briefly introduces the operating principle of vibrating densimeter.

叙述了振动管式密度计的工作原理。

This method provides a simpler, more accurate and reliable way to calibrate densimeter on the spot.

本方法为核密度计的现场率定提供了一种简便易行、准确可靠的新途径。

Regression coefficient between sensor and densimeter is 0.997, The sensor response remained stable for at least 8 days.

传感器与糖度计法测定的相关系数为0.997。传感器至少可以稳定使用8天以上。

After roller compaction, the wet density of RCC would be measured by sampling from the digged pit or by nuclear densimeter.

碾压后，挖坑取样或采用核子密度水分计选点测量碾压混凝土的湿密度。

Once roller compaction is completed for each layer, apply rapid test of the density and porosity with a nuclear densimeter…

每层碾压完毕，用核子密度仪快速检测压实密度和孔隙率，…

The relation between the optics density of the X ray and the output information voltage of micro densimeter is investigated.

探索了X射线照片密度与显微密度计信号电压之间的关系。

Compared with the testing result of densimeter method, it is shown that the testing result of microscopic image analysis method is credible.

与比重计法测定结果的对比分析表明，显微图像分析法是可靠的。

Shale (mudstone) densimeter is a special instrument used to measure shale (mudstone) density during drilling in geological exploration for oil and gas.

页(泥)岩密度计是石油及天然气地质勘探中现场随钻测量页(泥)岩密度的专用计量器具。

The working principle of the vibration-type water mud densimeter is dis-cussed in our paper. It guided the design of the variator and the secondary meter.

本文分析了振动式水泥浆密度计的原理，指导了变送器和二次仪表的设计。

In this paper we discuss the Model BH6012 Two Dimensional Bone Densimeter. The principle, structure, virtue and performances of the instrument are presented.

本文介绍了BH 6012二维扫描单光子骨密度仪的原理、仪器构成、优点和性能指标。

Methods The normal human hairs were treated with perming combing and stretching, and the keratins of the damage hair were analysed by using SDS-PAGGE and laser densimeter.

方法采用烫发、梳理、拉伸等方式对正常人头发进行损伤处理，用十二烷基磺酸钠-聚丙烯酰胺凝胶梯度电泳（SDS-PAGGE）和激光光密度扫描仪对损伤头发角蛋白进行分析。

Three conventional methods for measurement of petroleum density are described in the present paper. They are pycnometer method, hydrometer method and digital densimeter method.

本文介绍了三种测定石油密度的方法，传统的密度计法和密度瓶法及现代的数字密度计法。

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.

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。