密度计的

The excess molar volumes of {1,8- cineole +CCl 4,+CHCl 3} were determined as a function of mole fraction x using a vibrating-tube densimeter at the temperatures 298 15 and 308 15K All mixtures exhibit negative values over the entire composition range at both temperatures.

在 2 98 15K和 30 8 15K下用振动管密度计在全浓度范围内测量了桉叶油素分别与四氯化碳和三氯甲烷构成的二元系的过量摩尔体积。这 2个二元系的过量摩尔体积均为负值，且桉叶油素与氯仿的过量体积显著大于桉叶油素与四氯化碳的过量体积

In light of grading analysis test by densimeter method , this paper analyzes and compares the operative method and criterion of test in "The code of soil test" and "The criterion of soil test method" with improved testing operative method, and summarizes a more perfect, effective and accurate testing method, which to offer a reference for soil tester.

针对密度计法颗粒分析试验，对《规程》和《标准》中的试验操作方法和标准与改进的试验操作方法进行了对比分析，总结出一种更为完善、有效、准确的试验方法，供广大土工试验人员参考和采用。

Densitometer: An optical instrument used to measure the intensity of transmitted or reflected light.

密度计：用来量度透射或反射光的强度的一种光学仪器。

Most of the diver can also display other derived data.

大多数的密度计还可以显示其他派生出来的数据。

The paper discussed the domestic and oversea specification about the gauging standard of the measuring cylinder in particle size analysis test by hydrometer, then put forward the corresponding suggestion and the method of calibration of the measuring cylinder .

文章讨论了国内外用于密度计法颗粒分析用量筒的计量标准的规定，提出了相应的建议和标定方法。

Basing on contrastive test ahout the dosage of soil in grain-size analysis by hydrometer and comparingwith other countries relative code, the author thinks that the relative rule in national standard should bemodified in order to make it perfectly.

通过对密度计法颗粒分析用土量的对比试验及各国有关标准的比较，可以认为国标的有关规定有待修改、完善。

The use of the formula for calculating the grain diameter indensimeter method prescribed in "Standard for soil test method" GB/T 50123—1999 is limited to the small global grains with low velocity in a layer flow considering only the viscous resistance and effective gravity.

GB/T50123—1999《土工试验方法标准》中采用密度计法进行颗粒分析时，土粒粒径计算公式是在层流条件下，对低速运动的微小球形颗粒仅考虑介质粘性阻力和有效重力条件下导出的。

The excess molar volumes V~E of {trichloromethane +1,3,5_ trimethylbenzene ,trichloromethane + 1,2,4_ trimethylbenzene ,nitrobenzene + 1,3,5_ trimethylbenzene ,nitrobenzene + 1,2,4_ trimethylbenzene } were determined in the whole range of composition using a vibrating_tube densimeter at 298\^15 K.

在298 15K下，用振动管密度计在全浓度范围内测量了氯仿、硝基苯分别与均三甲苯、偏三甲苯构成的二元液体混合物的过量摩尔体积VE。

In the color measurement and evaluation, with certain limitations, it is not a standard color measurement instruments.

在颜色测度和评价洋，密度计具有必不退的局限性，它不是尺度的颜色测度仪器。

The method that combines D8method with digitizing the main riverways, lake and reservoir is used to extract river network form DEM.

最好的降雨插值方法是Kriging方法，但当雨量计的密度较低时这种方法的优势并不特别明显。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。