查询词典 specific gravity

We find that a region of negative specific heat describing the character of gravity also exists in canonical ensemble, which is remarkably distinguished from the result of traditional statistical mechanics that the specific heat must be positive in that ensemble, implying that the gravitating system may also be described by canonical one.

2在正则系综中，我们同样根据广义统计力学对引力Toy模型进行了研究，发现也会出现类似于微正则系综中的负比热现象，这明显区别于传统的统计力学中比热必须非负的结论，从而得出在Tsalllis统计下正则系综也可以描述引力系统的结论。

This paper explains the specific sampling technology of gravity corer.

因此研究重力取样器的取样技术对环境研究具有积极的意义。

On moving base, a new initial alignment algorithm for strapdown inertial navigation system is proposed. In the algorithm, two special inertial frames, the initial-time inertial frame (i0 frame) and the initial-time SINS body inertial frame (ib0 frame), are defined and are selected as calculation reference frames, then, the calculation of initial alignment direction cosine matrix is expanded into three parts:(1) the DCM between i0 frame and the navigation frame will be easily obtained via local geographical coordinates and initial alignment time;(2) attitude updating using gyro samples gets the DCM between SINS frame and ib0 frame;(3) by explaining SINS specific force equation in SINS body frame, the relation between velocity log, accelerometer measurement and gravity acceleration is established to achieve the constant DCM from ib0 frame to i0 frame.

在运载体运动情况下，提出了一种适用于捷联惯导系初始对准的新算法，该算法以惯性空间为参考基准，即建立了初始时刻惯性坐标系（i0系）和初始时刻捷联惯组惯性坐标系（ib0系）两个惯性坐标系，将初始对准姿态矩阵的实现分解为三部分：（1）通过地理位置和初始对准时间求解i0系至导航坐标系的变换矩阵；（2）使用姿态更新算法实时计算捷联惯组相对于ib0系的变换矩阵；（3）通过惯导比力方程变形，获得测速仪辅助测量、加速度计输出和重力加速度之间的关系，从中可以求解出从ib0系至i0系的常值变换矩阵。

Wavelet multi-scale analysis is applied to the research on lunar gravity field and the explanation of lunar inner structure. In this paper, the nearside of the Moon with higher quality data is chosen as the test area, and free air gravity data from "Clementine" mission are used as original data to decompose gravity of some specific mare basins. With the results of numerical test, we also explain the hierarchical structure of the Moon, analyze the thickness of mare fillings and the Moho topography under mare basins, and verify the results by comparisons.

本文将小波多尺度分析引入月球重力场的研究，选取测量数据质量较好的月球近区作为实验区域，以"Clementine"探测器获得的自由空气重力异常作为原始数据对主要月海盆地进行了局部的重力异常分解，解释了月球内部基本分层结构，并利用主要月海盆地的实验结果分析了月海下部质量异常以及莫霍面的起伏形态，与已有研究成果进行比较证明了方法的适用性及结果的合理性。

The result showed that contrasted with traditional coating, this method can reduce specific gravity loss rate. Spot rate and rot rate efficiently during storage.

结果表明：与传统的涂膜法相比，该方法能有效降低油豆角在贮藏过程中的减重率、褐斑率和腐烂率。

On the basis of enormous statistical analysis, the author contributes an empirical formula for the purpose of facilitating the computation of the specific gravity of sodium aluminate solution.

本文在大量统计分析的基础上提出了一个计算铝酸钠溶液比重的经验公式。

Their contents, refractive index, specific gravity, saponification value, acid value, and iodine value were examined. The quantilative determination of fatty acid was also made by means of GLC.

根据分析结果，本文着重讨论了在菊科、安息香料、木樨科、茶科、樟科和藤黄科油脂植物中各种常见的饱和脂肪酸和不饱和脂肪酸的含量及其利用价值。

Their contents, refractive index, specific gravity, saponification value, acid value, and iodine value were examined. The quantilative determination of fatty acid was also made by means of GLC. see table 2

根据分析结果，本文着重讨论了在菊科、安息香料、木樨科、茶科、樟科和藤黄科油脂植物中各种常见的饱和脂肪酸和不饱和脂肪酸的含量及其利用价值。

The plastic used is usually polystyrene with a specific gravity S.G.

射出重量是指射出的塑料的实际重量，通常规范使用的塑料为比重1.05的PS。

D. An increase in urine output with low specific gravity may herald the onset of diabetes insipidus.

尿量增加伴尿比重降低可能预示尿崩症的发生。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。