查询词典 extraction

Objective An extraction process for pectin from pineapple residue was studied using ammonium oxalate as the extraction solvent combined with ultrasonication.

目的：探讨采用草酸铵作为提取溶剂和超声波振荡处理法提取菠萝皮渣果胶的工艺条件。

To make full use of the abandoned apple seeds in vintage process,the feasibility of extraction of oil from apple seeds with supercritical fluid CO_2 was explored,and the condition for the extraction was optimized through single factor tests and an or- thogonal experiment.

本文基于对苹果加工中废弃苹果籽的开发利用，深入探讨了采用超临界CO_2萃取技术从废弃苹果籽中萃取苹果籽油的可行性。

The output power of the amplifier was over 52 W, and the extraction efficiency was up to 41%. The experimental results of the extraction efficiency and output power related to the laser wavelength, input dye laser power and pump beam′s temporal and spatial performance have been given.

给出了染料激光波长、注入染料激光功率以及抽运激光的时间和空间匹配特性与染料激光放大器输出激光功率和抽运激光功率提取效率的相互关系，讨论了染料溶液浓度对双侧横向抽运方式的脉冲染料激光放大器的输出光束质量的影响。

The result showed that the composition of nutritive media adding beef extraction juice as the main composition with inorganic compounds, Vitamin B and the extraction juice of medicine plant was good method for its high efficient, low consumption and time saving, because it can produced 5 billion PSB in 3~4 day.

结果表明，以牛肉水提取液为主要成份，并辅以无机盐、维生素B族及药效植物提取液的培养基，在3~4天就能培养出活菌数大於50亿／毫升的活性光合细菌制剂，由此证明这种培养基是一种高效、低耗、省时的活性光合细菌制剂的培养方法。

Based on theoretical analysis, kinetic models on boiling extraction and ordinary extraction process are presented.

本文分别建立了沸腾浸取和普通浸取两过程的数学模型。

In the previous ofspicy camphor rhizospheric soil water extraction of vegetable seed germination of allelopathy effect is designed on the basis of plant water ofspicy camphor, leaching solution of experiment, the experimental design confirmed ofspicy camphor plant roots, stems and leaves of radish extraction of seed germination of all have certain effect.

在前人的香樟根际土壤水浸提液对蔬菜种子发芽具有化感作用效应的基础上，设计出香樟植株水浸提液的化感试验，该实验设计证实了香樟植株的根、茎、叶水浸提液对萝卜种子的发芽都具有一定的化感作用效应。

Study on the effects of the pressure, temperature and time on the extraction rate of the essence oil from the cinnamon by supercritical CO2 extraction.

研究了超临界CO2萃取肉桂精油时压力、温度、萃取时间等因素对提取效果的影响，通过正交实验确定最佳的萃取工艺条件为：萃取压力15MPa，温度40℃，时间2h，此条件下肉桂精油的产率为3.69%。

Steam distillation and supercritical CO2 fluid extraction were used to extract cinnamon oil to establish the optimal technica1 condition for the extraction of cinnamon oil.

优选萃取肉桂油的工艺条件，分别采用水蒸汽蒸馏法和SFE-CO2提取肉桂油，进行SFE-CO2萃取肉桂油的正交试验，优选最佳萃取条件。

of increasing the use of space law and crown law chop lower third-molar extraction of 128 cases, and two methods in the extraction operation of complications were lunwen114compared.

方法运用增隙法和劈冠法拔除下颌阻生智齿128例，并对两种方法在拔牙术中的并发症进行比较。

The effct of operating conditions on the recovery of cobalt and manganese acetates was studied.The experimental results indicated that the recovery can arrive to 85%under the conditions of extraction temperature 80℃,extraction time 30—45min,liquid-solid ratio 9∶1 and crystallization temperature 5℃.

研究了操作条件对醋酸钴和醋酸锰回收率的影响，实验结果表明：在萃取温度80℃，萃取时间30～45min，液固比9∶1，结晶温度5℃，分三级萃取结晶的条件下，醋酸钴和醋酸锰的回收率达85%。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"