extraction的例句大全

The development work is described in main on an immersion probe Y absorptiometer ( IPA) and a floating probe Y absorptiometer ( FPA) with their application to the solvent extraction for automatic determination of uranium concentrations of organic extracts in the mixer-settler of a certain uranium plant.

本文报道了浸入式和浮动式探头的软γ吸收计的研制，及其在某铀水冶厂萃取过程中的应用。浸入式探头可插入混合澄清器内饱和有机相中测定铀浓度；

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By using Abraxas miranda as the subjects and the feeding capacity and weight growth as the indexes, thd activities of different solvent extraction of Daphne genkwa ( DG) were tested with the method of choice and no choice feeding.

以卫矛尺蠖和斜纹夜蛾为试虫，以取食量及虫体增重为指标，用选择性和非选择性取食法测定乙醚等7种溶剂浸提芫花茎皮粉5d后的浸提液。

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Silica gel column chromatography and solvent extraction were used to separate grease and abradant in a kind of excellent polishing paste for plastics, respectively.

分别采用硅胶柱色谱法和溶剂抽提，分离优质塑料抛光膏中的油脂和磨料部分。

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Using 2-3 weeks kid abomasa as material, the ultrasound intensity, extraction time, NaCl concentration and pH value in extracting solution and ratio abomasum to extracting solution were studied by ultrasounic method.

以2～3周龄羔羊皱胃为原料，利用超声提取法研究了超声强度，提取时间，提取液NaCl浓度，皱胃与提取液比例以及提取液pH对羔羊皱胃酶（kidrennet）提取活性的影响。

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The Study of Protein Extraction from Buxus sinica var. parvifolia Leaves

珍珠黄杨叶片的蛋白质提取方法探讨

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Comparison of Genomic DNA Extraction Methods and Optimization of ISSR-PCR Reaction Systems for Buxus sinica var. parvifolia

珍珠黄杨DNA的提取方法比较及ISSR反应体系的优化

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Studies on Extraction of butanoic acid with TBP in octane

TBP-正辛烷溶液萃取正丁酸的研究

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Objective: To optimize the conditions for extraction of Panax notoginseng Burk.

目的：优选三七的最佳提取纯化工艺。

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Special Characteristics of Sea Buckthorn Oil and Its Extraction Technology

沙棘油的特性及其制油工艺的研究

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Three active compounds were isolated from the marine bryozoan Bugula neritina living in the South China Sea by bioassay-guiding isolation method with a combination of extraction with suitable solvent and multiple column chromatography ( Sephadex LH-20, ODS and preparative HPLC).

以中国南海海域大量生长的总合草苔虫为原料，将化学分离和活性追踪相结合，经溶媒提取和多种层析方法（Sephadex LH-20，ODS，HPLC等）分离，得到3个活性单体。

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The extraction and protection of enzyme activity of bromelin from organs of pineapple

菠萝蛋白酶脱痂作用的研究菠萝各器官蛋白酶的提取与保活

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The results indicated that the effect of extraction and transparence were best under the conditions of temperature 50 ℃, PH 4.5, extracting time 4 hours, and using 0.15% cellulase and 0.2% bromelin.

结果表明：采用0.15%纤维素酶和0.2%菠萝蛋白酶，50℃pH4.5时水解4h，香菇的浸提和澄清效果极佳。

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The effect of cortex albizia extraction on the biological activity of IL-2 in vivo of tumor-bearing mice

合欢皮乙醇提取物对荷瘤小鼠IL-2生物活性的影响

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A binary neural network ( BNN) applies to problems in Boolean space, Extraction of rules is a important research area of it.

二进神经网络是应用于布尔空间的神经网络，知识提取是它的一个重要研究领域。

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The paper build the ANN model in predicting ultimate bearing capacity of drilled grouting pile and discuss in detail the extraction of inputting nodes information when quoting the fundamental principle of ANN model and introducing research process of the improved BNN.

引用神经网络基本原理，详细介绍了改进BP神经网络的研究过程，从而建立了预测钻孔灌注桩极限承载力的神经网络模型；

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Objective : To investigate the components of the volatile oil from Atractylodes chinensis with different extraction methods.

目的: 研究不同提取方法所得北苍术挥发油成分的差异.

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The optimal extractionand the extraction rate of pectin were discovered by single factor and orthogonal experiments.

采用单因素和正交试验确定了最佳提取条件.

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Through the analysis, extraction of single factor experiment conditions and the best condition.

通过分析, 确定单因素提取条件范围以及最佳实验条件.

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Aroma compounds of traditional Chinese Nanjing water boiled salted duck were analyzed by headspace solid phase microextraction ( HS-SPME), simultaneous distillation extraction ( SDE) combined with GC-MS.

采用顶空固相微萃取和同时蒸馏萃取2种方法提取了中国传统肉制品盐水鸭的香气成分，并用气质联用进行分析。

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The technology, operating method, and producing application of expansion-extraction for cold-pressed dehulled rapeseed cake were introduced.

介绍了菜籽仁冷榨饼膨化浸出的工艺 、 操作方法及生产应用情况.

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