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A mathematical model of the relation between ethanol concentration, solid-liquid ratio, time of ultrasonic wave and the extraction ratio of polyphenol in oil-tea seed residue has been established by means of quadratic general rotary unitize design and ultrasonic wave cooperated method.

采用二次通用旋转组合设计试验方法和超声波辅助提取工艺方法,建立了乙醇浓度、料液比、超声时间与油茶籽饼多酚类物质提取率之间的数学模型,绘制了单工艺参数、双工艺参数与多酚提取率之间的函数图像,得出了多酚类物质提取的最佳工艺。

Stems and leaves were determined and compared by al(no3)3 colorimetry and hplc. the method with ultrasonic wave was applied to extract flavonoids from the leaves and stems of urtica dioical l.. with the contents of flavonoids as the index, the best extraction conditions were selected out. results the best extraction conditions were as follows:soaking the raw material with ethanol(80%, v/v)-water solution (1∶30) at 60℃.

方法分别采用al(no3)3络合分光光度法和hplc法测定异株荨麻茎叶中黄酮类化合物的含量,并对测定结果进行比较;同时以黄酮类化合物的含量为指标,优选出了超声波辅助法提取异株荨麻茎叶中黄酮类化合物的最佳条件。

Methods: 108 cases of vulval condyloma acuminatum confirmed by pathology were randomly divided into two groups with the same number in each group: ultrasound group and laser group. 54 cases in the ultrasound group were treated with focused ultrasound, other 54 cases underwent laser treatment.

经病理活检证实的外阴尖锐湿疣患者108例,随机等数量分配至超声组和激光组,利用海极星超声波妇科治疗仪进行治疗,激光组采用CO2激光治疗机进行治疗,观察两种方法治疗前后患者症状和体徵变化。

The optimum ultrasonic-assisted extracting conditions of red pigment in Zingiber mioga Rosc were studied by single factor analysis and orthogonal test L16(45)and the physicochemical properties of red pigment was studied.

采用单因素分析和正交实验L16(45),确定了超声波协助提取茗荷红色素的最佳工艺条件,并研究了茗荷红色素的理化性质。

After adsorbent was saturated by sulfur in adsorption, it can be regenerated with ultrasound, the optimum regeneration conditions are: methanol as regeneration agent, regeneration temperature 60℃ and LHSV of methanol 1.76h-1, methano dosage 100mL, amount of treated adsorbent 10g . Adsorbent was reused for three times, initial desulfurization efficiency is respectively 94.3%、94.3%、91.8%, the adsorbent has a good reappearance.

超声波存在的条件下,以甲醇为再生剂,在再生温度为60℃、甲醇液态空速为1.76h-1、甲醇用量为100mL的实验条件下对10g动态吸附后饱和了的吸附剂进行再生,吸附剂经过三次再生后初始流出汽油的脱硫率分别达到94.3%、94.3%、91.8%,该吸附剂具有良好的再生性能。

It also administrates a research institute and a laboratory.

各类设备600余台套,其中自控、超声波等高、精、专大型设备38台套,引进自动生产线5条,年产值逾3亿元。

A kind of combined navigation system for the XAUT·AGV100 developed by our institute was designed through the analysis of commonly used guiding styles of mobile robot, adopting coders and gyroscope to provide real-time guiding information to realize the path tracking, apperceiving the environment messages at the task points and part feature points by ultrasonic sensor to position.

2通过对移动机器人常用导航方式的分析,为自主开发的XAUT·AGV100设计了一种组合导航系统:采用编码器和陀螺仪为AGV提供实时导航信息以实现轨迹跟踪,采用编码器和超声波传感器在作业站点及部分特征点处对环境信息的感知实现作业定位。

In addition, ultrasonic radiation changes the shape, the size of CaCO3 crystal and the pileup form of the scale, thus preventing the pipeline from begriming.

超声波还能改变生成的CaCO3晶体的形状及大小,改变形成的积垢的堆积形状,从而起到防垢的目的。

When the ultrasound probe is moving on the surface of the body, the moving patter can linear or circumrotated, the acquired image sequences comprise the space position information.

超声波探头在人体表面均速运动时,运动形式可为直线或旋转,所获取的图像序列包含一定空间位置信息。

The safety and confidence of medical examination and X-ray examination are disputing, but high-resolution ultrasonic wave can transmit articulatio coxae which is not ossification.

临床上常用的体格检查和X线检查的可靠性和安全性仍然存在很大争议,高分辨的超声波可以较好地穿透尚未完全骨化的髋关节,并能够动态观察,为DDH的早期诊断提供依据。

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