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Fennel oil was isolated by supercritical fluid extraction using CO2, and then followed by a two-stage fractional separation .

本文介绍从小茴香子中采用超临界CO2萃取和分级分离富含精油和富含脂油两种产品的工艺可行性，探讨了采用不同规模的超临界苹取装置萃取过程对萃取物组成、风味和CO2消耗量的影响以及第一分离罐的分离压力对两种产品产率的影响。

The deposition discipline and the method of fractional precipitation in rotary ferrography have been studied in this paper,and I design a new sort of lubricate tester of thin film in the base of frustrated total reflection.

本文主要对旋转式铁谱仪的磨粒沉积规律及非铁磁性磨粒的分步沉积方法进行了研究，并根据受抑光全反射的原理设计了薄膜润滑试验装置。

With aperture expanded as the sum of finite complex Gaussian terms, a more practical approximate analytical solution of fractional Fourier transform of Gaussian beam in an apertured paraboloid refracting system is obtained and also numerical investigation is presented.

通过将孔径函数展开为有限项复高斯函数之和，得到了高斯光束在受孔径约束的抛物面折射系统中分数傅里叶变换较符合实际的近似解析表达式，并进行了数值模拟。

Obtained by fractional distillation of liquefied air, it is used in luminescent tubes, flash lamp s, lasers, and tracer studies and as an anesthetic.

用于频闪仪和高摄影术所用的极短促而强烈的闪光灯中。氙闪光灯已用于活化红宝石的激光器。仅与氟和氧化合生成。

Coupling the right to check the installation requirements: fractional coupling of upper and lower homogeneous space; hand several circles coupling dynamic disk rotating flexible inspection.

安装联轴器正确的检查要求：对分式联轴器上下间隙均匀；用手盘动联轴器数圈检查转动灵活。

To solve the difficulties of the discretization and application of fractional order controllers, evaluation strategies of digital realization of FOC are investigated. The realization principle and process of various discretization methods are discussed.

针对分数阶控制器数值计算和应用难的问题，提出了分数阶微积分算子数字实现方法的评估策略，分析了分数阶微积分算子的多种数值计算法的机理和实现步骤。

These rocks are lack of foliation and resulted from the brittle fragmentation of mineral grains with rotation of grain fragments accompanied by fractional grain boundary sliding and dilatancy.

这类岩石缺乏面理构造，是由于矿物颗粒的脆性碎裂，旋转以及颗粒边界的磨擦滑动和扩展而造成的。

These rocks are lack of foliation and resulted from the brittle fragment ation of mineral grains with rotation of grain fragment s accompanied by fractional grain boundary sliding and dilatancy.

这类岩石缺乏面理构造，是由于矿物颗粒的脆性碎裂，旋转以及颗粒边界的磨擦滑动和扩展而造成的。

A new tool for time-frequency analysis, Fractional Fourier Transform, is introduced in this paper.

本文介绍了一种崭新的时频分析工具——分数阶Fourier变换。

X is a real-type expression. The result is the fractional part of X; that is, Frac = X - Int.

Frac函数返回参数X的小数部分，X是一个实型数，该函数的作用等价于Frac=X-Int。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。