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单词 petroleum ether
释义

petroleum ether

美 
英 
  • na.石油醚
  • 网络煤油;石油谜;石油精
na.
1.
石油醚

例句

释义:
1.
Conclusion: The extract of petroleum ether of Rhizoma Amorphophalli is possibly one of antineoplastic parts of the plant.
结论:蛇六谷石油醚萃取物可能是该药抗肿瘤的有效部位之一。
www.ceps.com.tw
2.
The amount in the sample in a Soxhlet Extractor, using petroleum ether extraction LH, circulating at least 6 times per hour.
将适量样品放在索氏萃取器中,用石油醚萃取lh,每小时至少循环6次。
www.texclo.net
3.
In this paper, microwave-assisted extraction of petroleum ether and volatile oil, and with the response surface method was optimized.
本文研究了微波辅助石油醚法提取小茴香挥发油,并用响应曲面法对工艺进行了优化。
wenwen.soso.com
4.
After further training solution to the petroleum ether extraction of oil residue collection, and Determination of the degradation rate.
再将培养后的溶液以石油醚萃取法收集残留的石油,用紫外分光光度法测定其降解率。
zhidao.baidu.com
5.
Overview: The Division plum extract mainly produced in Yunnan Plum child, obtained through the extraction of petroleum ether extract.
概述:本司梅子浸膏主要采用云南产的酸梅子,通过石油醚浸提制得浸膏。
www.gzpyxl.com
6.
The extraction effect of petroleum ether was better than that of mixed petroleum ether-acetone solution.
石油醚的提取效果比石油醚-丙酮混合液的提取效果好。
www.cnak.net
7.
Methods: The As in the oil was extracted by the solvent of petroleum ether (non-toxic level), and determined by spectrophotometry.
方法:分别以无毒级石油醚、盐酸作为溶剂和萃取剂,将油中砷萃取,以光度法测定其含量。
www.ceps.com.tw
8.
For the determination of organochlorine and pyrethroid pesticide residues, the sample was extract with petroleum ether.
有机氯和拟除虫菊酯类农药残留测定中,利用石油醚对样品进行提取。
www.fabiao.net
9.
The petroleum ether extract was not significant respectively in each treatments of medium-topped tobacco after curing.
上部烟叶不同处理烤后烟叶石油醚提取物含量,各处理间无显著差异。
www.fabiao.net
10.
the emendation mortalities of the test insects were low when water extract and petroleum ether extract were adopted.
水萃取物和石油醚萃取物试虫死亡率低。
www.fabiao.net
1.
Then the Concrete was extracted respectively with petroleum ether, chloroform, ethyl acetate and n-butyl alcohol.
浸膏依次用石油醚、氯仿、乙酸乙酯和正丁醇萃取,用色谱分离技术对各分部进行分离。
www.fabiao.net
2.
Method Compounds were extracted by 90% ethanol-petroleum ether and acetoacetate , then purified by silica gel column chromatography.
方法采用硅胶柱层析进行分离纯化,根据理化性质和波谱学数据进行结构鉴定。
dictsearch.appspot.com
3.
Degreasing treatment with petroleum ether is a common step in extracting processing of plant flavonoids.
石油醚除脂处理是目前植物黄酮类物质提取中常用的处理环节。
www.caesv.cn
4.
Mainly by tobacco bud extract petroleum ether extract obtained tobacco bud extract.
烤烟花蕾浸膏主要是通过石油醚浸提烤烟花蕾制得浸膏。
www.gzpyxl.com
5.
Study on Chemical Components of Petroleum Ether Fraction of Alcohol Extract from the Leaves of Cunninghamia lanceolata Hook .
杉木叶醇提物中石油醚溶解组分的化学成分分析。
www.bing.com
6.
OBJECTIVE To investigate the toxic effect of petroleum ether extract of Herba Leonuri(PEE) on the liver and kidney in rats.
目的考察益母草石油醚提取物对大鼠肝、肾的毒性影响。
www.zgyxzz.com.cn:8080
7.
With ether, ethanol, benzene, petroleum ether, carbon tetrachloride, benzene, carbon disulfide and oils, such as compatibility.
能与乙醚、乙醇、苯、石油醚、四氯化碳、苯、二硫化碳和油类等混溶。
zhidao.baidu.com
8.
After comparision, the petroleum ether and butanol fractions have a good anti-fatigue effect.
初步得到石油醚和正丁醇部位具有较好的抗疲劳作用。
210.34.66.100
9.
Methods Less toxic solvents such as cyclohexane, n-hexane, petroleum ether and chloroform were compared with benzene and toluene.
方法用毒性较小的溶剂环己烷、正己烷、石油醚和三氯甲烷等取代苯或甲苯。
kns50.chkd.cnki.net
10.
In the petroleum ether fraction, the amount of fatty acid methyl esters was about 68. 42%.
在石油醚萃取部位中脂肪酸甲酯约占总量的68.
www.fabiao.net
1.
dissolved in most organic solvent , such as aether , benzene , petroleum ether , and so on.
可溶解在绝大多数有机溶剂中,如正庚烷苯石油醚等。
www.ichacha.net
2.
abstract: Objective To study the chemical compositions of petroleum ether extracts from the fruits of Buddleja lindleyana Fort.
目的研究醉鱼草果实石油醚部位的化学成分。
www.bing.com
3.
Study of water solubilization performance of microemulsions using petroleum ether as oil phase
以石油醚为油相的微乳液的增溶水量研究
service.ilib.cn
4.
Relationship between Climatic Factors and Contents of Petroleum Ether Extracts and Polyphenol Compounds in Yunnan Tobacco
云南烤烟石油醚提取物和多酚类与气候要素的关系
www.ilib.cn
5.
Rapid determination of malic acid, citric acid and petroleum ether extract in tobacco using near infrared reflectance spectroscopy
近红外光谱法快速检测烟草中部分香气物的应用研究
www.ilib.cn
6.
A comparative study of supercritical petroleum ether and carbon dioxide drying in the preparation of carbon aerogels
超临界石油醚干燥和超临界二氧化碳干燥在制备有机和炭气凝胶中的比较研究
www.ilib.cn
7.
Allelopathic study of walnut leaf petroleum ether extracts
核桃叶石油醚提取物化感作用的研究
service.ilib.cn
8.
Analysis of genetic variation and stability of the content of petroleum ether extracts in flue-cured tobacco leaves
烤烟叶片石油醚提物质量分数的遗传变异及稳定性分析
www.ilib.cn
9.
Establishment of rapid determination model of petroleum ether extract on tobacco by using near infrared reflectance spectroscopy
烟草石油醚提取物近红外光谱检测模型的建立
www.ilib.cn
10.
Comparison and Analysis on the Content of Petroleum Ether Extract in the Flue-Cured Tobacco Leaves in Different Production Areas
不同产区烤烟石油醚提取物含量对比分析
www.ilib.cn
1.
Mineral spirits - Petroleum ether - Requirements
特种汽油.石油乙醚.要求
www.mapeng.net
2.
Analysis on Extractives of Petroleum Ether in Flue-cured Tobacco Leaves from Different Ecological Regions
不同生态地区初烤烟叶中石油醚提取物的分析
www.ilib.cn
3.
Application of Petroleum Ether in Preparing Low Substitution Degree Cationic Starch
石油醚在干法合成低取代度阳离子淀粉中的应用
service.ilib.cn
4.
Effects of Altitude on Petroleum Ether Extract and Routine Chemical Compositions in Flue-cured Tobacco
种植海拔对烤烟石油醚提取物及常规化学成分的影响
www.ilib.cn
5.
Test method of petroleum ether insolubles in Lubricating Oil for railway locomotive diesel engine
铁路内燃机车柴油机油石油醚不溶物测定方法
www.scientrans.com
6.
GC-MS analysis of chemical component of Oxytropis falcate Bunge extracted by petroleum ether
GC-MS联用法测定镰形棘豆石油醚浸提物的化学成分
www.ilib.cn
7.
Effect of petroleum ether extract from Holotrichia diomphalia grub on proliferation and apoptosis of human cervical carcinoma HeLa cells
蛴螬石油醚提取物对人宫颈癌HeLa细胞增殖和凋亡的影响
www.ilib.cn
8.
Model of Near-Infrared Spectroscopy for Starch, Petroleum Ether Extract in Tobacco
烟草中淀粉、石油醚提取物的近红外光谱分析模型研究
www.ilib.cn
9.
Methods: Using petroleum ether to distill the fatty oil and using GC-MS method to measure the component;
方法:采用石油醚冷浸法测定脂肪油含量;GC-MS法分析测定脂肪油成分;
www.bing.com
10.
Test Method of Petroleum Ether Insolubles in Lubricating Oil for Locomotive Diesel Engine
内燃机车柴油机油石油醚不溶物检测方法的研究
www.ilib.cn
1.
Toxic Evaluation of Petroleum Ether and Tin Methycaptals Using Silkworm Bombyx mori as Biological Indicator
以家蚕为指示生物对石油醚和甲基硫醛锡毒性的试验
www.ilib.cn
2.
Determination of oil content in absorbent cotton and gauze with petroleum ether
石油醚测定脱脂棉及脱脂纱布油脂含量
scholar.ilib.cn
3.
Petroleum ether for spectrophotometry pure
分光纯石油醚
www.chemreagent.com.cn
4.
Petroleum Ether Extract of Flue-cured Tobacco Grown in Shandong Province
山东烤烟烟叶石油醚提取物的对比分析
www.ilib.cn
5.
Petroleum ether extract from cultural mycelium, PE
和石油醚提取物
168.160.184.78
6.
The Experimental Study on Antitumor Effect of Petroleum Ether Extracts of Ionontus Obliquus
桦褐孔菌石油醚提取物的抗肿瘤作用研究
www.ilib.cn
7.
Volatile oil mainly in the petroleum ether solution;
挥发油主要存在于石油醚提取液中;
www.boshuo.net
8.
Effect of Curing Technique and Maturity and Sampling Way on Petroleum Ether Extraction of CB- 1 Cutter
烘烤工艺、成熟度和取样方式对烤烟CB-1中部叶石油醚提取物含量的影响
www.ilib.cn
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