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extraction相关的网络例句

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Therefore, in order to study pharmacology of astragali, atractylodes macrocephala and licorice root active component infurther step, search for reasonable extraction technology of effective parts, develop safe and reliable,exact curative effect new drug for treating UC fit to clinic, we plan to use advanced colon-target andadhesion releasing technology to make up complex prescription colon-target capsule preparation ofabove-mentioned three effective parts. This will have important significance for developing new drugstudy on treating UC with TCM.Study method1. pharmaceutical research1.1 study on extraction and abstraction technology of Astragalus mongholicus saponinAdopt ethanol backstreaming to extract Astragalus mongholicus saponin, compare extraction percentage of different concentration ethanol. Adopt resin adsorptive process to depurate it, inspect resin dynamic adsorption curve, sample size, concentration and dosage of eluting ethanol and concentration of eluting lye and so on technology parameter. Determine the best extraction and abstraction technology.

目前国内外未见有治疗该病的中药有效部位的复方制剂,因此,为进一步研究黄芪、白术和甘草有效成分的药理学作用,探索合理的有效部位提取工艺,开发适合于临床的安全可靠,疗效确切的治疗UC的中药新药,我们拟采用先进的结肠靶向定位及黏附释药技术,将黄芪、白术和甘草的上述三类有效部位制成复方结肠溶胶囊制剂,对于开展中医药治疗溃疡性结肠炎的新药研究具有重要意义。

The validities of amplitude features and their extraction method suitable in high-frequency SAR image are analyzed when they are used in UWB SAR image. An extraction approach of amplitude feature based on target contour is presented, and the corresponding effective amplitude features are proposed. The old dihedral angle model is analyzed and improved. The approach of azimuthal feature extraction is proposed based on the conclusion of the improved dihedral angle model. The problems, which appear when the common change detection methods are used to extract the change feature based on ROI, are analyzed. And a robust and feasible extraction approach is presented.

分析了适于高频SAR图像的幅度特征及其提取方法用于UWB SAR图像时的有效性,提出了基于目标轮廓的幅度特征提取方法及相应的适用幅度特征;分析了已有二面角模型在建模过程中存在的问题并进行了改进建模,基于改进二面角模型结论提出了方位向特征提取方法;分析了常用变化检测方法用于提取ROI变化特征时存在的问题,提出了一种稳健可行的变化特征提取方法。

The optimum conditions of supercritical CO2 extraction were determined by orthogonal experiment as follows: extraction pressure 30 MPa, extraction temperature 40℃, 75% ethanol as entrainer (5% of solid material) and extraction time 2.0 h. The yield of volatile oil was 9.92%.

通过正交实验确定超临界CO2萃取挥发油的优化条件为:以75%乙醇(添加量为原料质量的5%)为夹带剂、萃取压力30MPa、萃取温度40℃、萃取时间2.0h,此时,挥发油的收率为9.92%。

The results showed that the significance of the effects of these factors on the oil extraction efficiency decreaseed in the order:extraction pressure, time, temperature and entrainer dosage, and the maximum extraction efficiency of watermelon seed oil could reach 52.18% under the extraction pressure of 40 MPa, temperature of 45℃, time of 150 min and the ethanol dosage of 7%.

结果表明,影响西瓜籽油萃取率的因素主次顺序为:萃取压力>萃取时间>萃取温度>夹带剂用量;最佳提取条件为萃取压力40 MPa,萃取温度45℃,萃取时间150 min,夹带剂乙醇用量7%。在最佳条件下西瓜籽油萃取率为52.18%。

The mignonette element's lye microwave extraction process related influencing factor carries on the single factor analysis and the orthogonal experiment to the peanut shell in discusses.The experimental result indicated:The fluid material the influence is bigger than to the extraction rate,Next is the microwave extraction time,Is small what to the extraction rate influence is the sodium hydroxide density.

对花生壳中木犀草素的碱液微波提取工艺有关影响因素进行单因素分析和正交实验探讨,实验结果表明:液料比对提取率的影响最大,其次是微波提取的时间,对提取率影响较小的是氢氧化钠的浓度。

The results of orthogonal test showed that the optimum extraction processof quinone from C. cathayensis peel was 70% ethanol as extraction solvent with solid-liquid ratio of 1: 15, extraction temperature of 60℃ and extraction time of 2 h. Under this condition, the yield rate of total quinone reached 0.84%.

正交试验结果表明,山核桃果皮醌的最佳提取工艺为:70%乙醇为提取剂,料液比1: 15,提取温度60℃,提取时间2 h,此条件下,总醌得率达0.84%。

The four different ways of alcohol refluence extraction, water distill extraction, microwave extraction and ultrasonic extraction were compared.

应用乙醇回流、水蒸气蒸馏,超声、微波等方法提取金银花,采用高效液相色谱法测定金银花中绿原酸的含量。

In this paper ,we utilize the imagery with greater 1 meter resolution which is so called very high resolution as experimental data and do the research of ribbon road and simple building roof , and we talk about the process and method of extraction from high-resolution remotely sensed imagery :the representation of road and building in high-resolution image is analyzed ;a method of semi-automatic extraction for ribbon road based on angular texture signature and profile matching is promoted ;a algorithm for road extraction based on Snakes model is compared and analyzed ;the method of object-oriented image analysis and classification is introduced and we utilize this method to extract simple building roof semi-automatically ;the algorithm of road extraction is implemented as prototype system ;finally , the practicability of above-mentioned method are evaluated .

本文以分辨率大于1米的超高分辨率遥感影像作为试验数据,以具有一定宽度的带状道路和简单建筑物屋顶作为研究对象,探讨分析了高分辨率遥感影像中地物要素的半自动提取过程和方法:分析了高分辨率遥感影像中道路和建筑物的特征表现;提出了一种基于角度纹理特征和剖面匹配的带状道路半自动提取方法;对比分析了基于Snakes模型的道路提取算法;介绍了面向对象的图像分析和分类方法,使用该方法对简单建筑物屋顶进行了半自动提取;以原型系统方式对道路提取算法进行了实现;最后结合试验,对上述各种方法在实用性方面进行了评估。

Based on it,the extraction efficiency of sinapine were compared between microwave-assisted extraction ultrasonic-assisted extraction and hot alcohol extraction .

方法采用正交实验,考察提取时间、提取温度、料液比3个因素的影响,建立芥子碱热醇提取的最佳提取条件。

The four different ways of circumfluence extraction, ultrasonic extraction, soakage extraction and percolation extraction were compared.

以士的宁和马钱子碱为定量指标,运用高效液相色谱法,比较马钱子回流提取、超声提取、浸渍提取、渗漉提取等不同提取方法的提取率。

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