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perfume
相关语句
  香料
     The perfume 4 methyl 2 heptyl 1,3 dioxolane was synthesized by the condensation reaction of n octyl aldehyde(A) with 1,2 propanediol(B) in the presence of a composite catalyst composed of p methyl benzene sulfonic acid and aluminium sulfate.
     在对甲苯磺酸和硫酸铝复合催化剂存在下,以正辛醛( A )和 1,2丙二醇( B)为原料,经脱水缩合反应合成了新型香料 4甲基2庚基1,3二噁戊烷。
短句来源
     The fraistone of new type perfume was synthesized with ethyl acetoacetate and 1,2 - propanediol as raw materials by the novel catalyst of polymer compound (FeCI3 - AICI3 - UR).
     以乙酸乙酸乙酯和1,2一丙二醇为原料,在新型高分子复合催化剂FeCI3-AICI3-UR的催化作用下合成了新型香料草莓酯。
短句来源
     The Application Progress of Supercritical CO_2 Extraction Technology in Natural Perfume Industry
     超临界CO_2萃取技术在天然香料工业中的应用与研究进展
短句来源
     PG disinfectant contains 2% glutaraldehyde,alcohol and perfume.
     PG 消毒剂含2%强化中性戊二醛,醇类和香料.
短句来源
     Synthesis of Meat Flavor Perfume 4-Methyl-5-thiazoleethanol
     肉香型香料4-甲基-5-噻唑乙醇的合成
短句来源
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  香水
     GC、GC/MS Analysis of the chemical Component of Perfume Lily Essence
     GC、GC/MS分析香水百合香精的化学成分
短句来源
     Perfume Vs City
     香水VS城市
短句来源
     The experiment design was 4(position of perfume: top left corner,top right corner,bottom left corner,bottom right corner)×3(background: model,advertisement words,landscape)×2(area of interest: perfume,background)within subjects design.
     实验设计为4(香水瓶位置:左上角、右上角、左下角、右下角)×3(背景图案:人物、广告词、风景)×2(兴趣区:香水、背景)的被试内设计。
短句来源
     AIM: To study the effect of different scent (apple, perfume and camphor) on learning and memory ability of mice and expression of CREB (cAMP response element binding protein) and pCREB (phosphorylated CREB) in hippocampus.
     目的:探讨不同气味(苹果、香水、樟脑)对小鼠学习记忆能力及海马cAMP反应元件结合蛋白(CREB)和磷酸化的CREB(pCREB)的影响。
短句来源
     RESULTS: Mice in camphor group and perfume group have longer latency and more error times in water maze test compared with control and apple group (P<0.05).
     结果:樟脑组和香水组水迷宫的潜伏期较对照组延长,错误次数增多(P<0.05)。
短句来源
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  “perfume”译为未确定词的双语例句
     There are 9 genere, 54 species and 6 varieties in Anthemideae (Compositae)in Western Hubei, of which medicine plants 14, perfume 7, tannin 1, flower 2, vegetable 2, fodder 4, and toxic 5.
     湖北西部菊科春黄菊族植物有9属,54种,6变种,其中药用植物14种,香料植物7种,鞣料植物1种,花卉2种,蔬菜2种,饲料4种,有毒植物5种。
短句来源
     9 fruit, 3 fiber and papermaking, 2 vegetable oil, 8 traditional Chinese medicine, 10 health product, 1 starch, 5 flower, 2 perfume and spice, 3 special agriculture, 3 cash crop, 1 forage, 3 fungi, 2 ecological pesticide, 2 animal, 5 ecological construction, 4 eco-tourism by resource type classification;
     按资源开发类型分:木本果品类9项,纤维及造纸类3 项,木本油脂类2项,中药材开发与生物制药类8项,生活保健类10项,淀粉类1项,观赏植物及花卉产业开发类5 项,香精香料类2项,特色农业类3项,经济作物类3项,饲料类1项,真菌类3项,生物农药类2项,动物类2项,生态功能类5项,生态旅游类4项;
短句来源
     The new tech of UV/Fenton treatment on high consistency perfume wastewater and the influence factors were studied.
     研究了UV/Fenton法处理高浓度废水的新技术以及有关影响因素。
短句来源
     At a dose of 0.25 μl/cm2, the protective durations of mosquito repellent perfume (MRP), N, N-diethyl-m-taluamide (DETA), mosquito repellent liquid (MRL), dimethyl phthalate (DMP) and di-butyl phthalate (DBP) were 7.50h, 5.00h, 3.75h, 1.25h and 1.00h, respectively.
     当剂量为0.25μl/cm~2时,液剂的驱蚊露(MRP)、N’N-二乙基间甲苯甲酰胺(DETA)、蚊怕水(MRL)、邻苯二甲酸二甲酯(DMP)和邻苯二甲酸二丁酯(DBP)的保护时间分别为7.5h、5h、3.75h、1.25h和1h;
短句来源
     Five catalysts such as polyethylene chloride-ferric chloride,ion-exchange resin such as D 61 and D 72 ,TiSiW 12 W 40 /TiO 2,complex supporter strong acid (PhSO 3H/Na 2SO 4·CaSO 4) and PW 12 /C showed good yields in synthesizing acetals as perfume.
     结果表明 :聚氯乙烯 -三氯化铁、D61 和D72 离子交换树脂、固载杂多酸TiSiW1 2 O40 /TiO2 、复合载体强酸 (PhSO3H/Na2 SO4·CaSO4)和PW1 2 /C等五种催化剂对合成缩醛的收率较高 ,具有实际应用价值
短句来源
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  perfume
Here, an evolutionary approach presents a new hypothesis which suggests that the evolution of perfume collection in euglossine males is based upon pre-existing signals which were attractive to females and males.
      
It is not known how perfume collection behaviour evolved.
      
The role which the collected perfume plays in the reproductive behaviour of euglossine bees is not fully understood.
      
A fascinating pollination system has been evolved between perfume producing flowers and perfume collecting male euglossine bees in the neotropics.
      
Evolutionary aspects of perfume collection in male euglossine bees (Hymenoptera) and of nest deception in bee-pollinated flowers
      
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The white flowers of Michelia alba DC.are noted for their strong fragrance and they are widely cultivated in South and Southwest China.The essential oil obtained from the flower is used in tea-perfuming as well as in making highly prized perfume. Yellowish oil was acquired with 0.24% yield by steamdistillating the flowers.The essential oil was analysed by means of GC/MS/DS.As a result,24 constituents were identified as follows:methyl 2-methylbutyrate,camphene,β-pinene,α-phellandrene, β-myrcene,limonene,1,8-cineole,ocimene,△~3-carene,ο-cymene,α-cubebene,cis-linalool...

The white flowers of Michelia alba DC.are noted for their strong fragrance and they are widely cultivated in South and Southwest China.The essential oil obtained from the flower is used in tea-perfuming as well as in making highly prized perfume. Yellowish oil was acquired with 0.24% yield by steamdistillating the flowers.The essential oil was analysed by means of GC/MS/DS.As a result,24 constituents were identified as follows:methyl 2-methylbutyrate,camphene,β-pinene,α-phellandrene, β-myrcene,limonene,1,8-cineole,ocimene,△~3-carene,ο-cymene,α-cubebene,cis-linalool oxide,α-ylangene,trans-linalool oxide,β-cubebene,linalool,cis-caryophyllene,β-selin- ene,δ-cadinene,trans-carveol,methyl,eugenol,β-bisabolene,methyl isoeugenol, isoaristolene.

白兰花经水汽蒸馏得一淡黄色油状液体(出油率为0.24%)。我们应用色谱/质谱/计算机联用的分析方法,共鉴定出白兰花精油的24个化学成分,即2—甲基丁酸甲酯(methyl 2-methyl-butyrate),樟脑烯(camphene),β-蒎烯(β-pinene),α-水芹烯(α-phellandrene),β-香叶烯(β-myrcene),柠檬烯(limonene),1,8-桉叶油素(1,8-cineole),罗勒烯(ocimene),蒈烯-3(△~3-carene),邻—聚伞花素(o-cymene),α-毕拔烯(α-cubebene),顺式—氧化芳樟醇(cis-linalool oxide),α-依兰烯(α-ylangene),反式—氧化芳樟醇(trans-linalool oxide),β-毕拔烯(β-cubebene),芳樟醇(linalool),顺式—丁香烯(cis-caryophyllene),β-芹子烯(β-selinene),δ-杜松烯(δ-cadinene),反式—葛缕醇(trans-carveol),丁香酚甲醚(methyl eagenol),β-甜没药烯(β-bisabolene),异丁...

白兰花经水汽蒸馏得一淡黄色油状液体(出油率为0.24%)。我们应用色谱/质谱/计算机联用的分析方法,共鉴定出白兰花精油的24个化学成分,即2—甲基丁酸甲酯(methyl 2-methyl-butyrate),樟脑烯(camphene),β-蒎烯(β-pinene),α-水芹烯(α-phellandrene),β-香叶烯(β-myrcene),柠檬烯(limonene),1,8-桉叶油素(1,8-cineole),罗勒烯(ocimene),蒈烯-3(△~3-carene),邻—聚伞花素(o-cymene),α-毕拔烯(α-cubebene),顺式—氧化芳樟醇(cis-linalool oxide),α-依兰烯(α-ylangene),反式—氧化芳樟醇(trans-linalool oxide),β-毕拔烯(β-cubebene),芳樟醇(linalool),顺式—丁香烯(cis-caryophyllene),β-芹子烯(β-selinene),δ-杜松烯(δ-cadinene),反式—葛缕醇(trans-carveol),丁香酚甲醚(methyl eagenol),β-甜没药烯(β-bisabolene),异丁香酚甲醚(methyl isoeugenol),异土清木香烯(isoaristolene)。

Polyolefein perfume plasticizing agent(PPPA) synthesised from Litsea Cubeba oil terpene and its plasticizing effects have been studied.Geranol content in Litsea Cubeba oil terpene. increased from15% to 60% by means of distillation under needed pressure (8~20mmHg,70~175℃distillate), yield 25%. Ten kinds of mono-or di-carboxylic acids were esterified respectively with the above distillate .The crude products heve been treated through processes of washing(cold water used)、neuterization、drying、 separaction、filteration...

Polyolefein perfume plasticizing agent(PPPA) synthesised from Litsea Cubeba oil terpene and its plasticizing effects have been studied.Geranol content in Litsea Cubeba oil terpene. increased from15% to 60% by means of distillation under needed pressure (8~20mmHg,70~175℃distillate), yield 25%. Ten kinds of mono-or di-carboxylic acids were esterified respectively with the above distillate .The crude products heve been treated through processes of washing(cold water used)、neuterization、drying、 separaction、filteration and distillation under pressure. PPPA which is a mixture of finished reaction products with mian composition of geranates has been obtained.Total content of geranates in PPPA is 63~76% Physical properties of PPPA: Transparant oily liquid with faintly yellow to brownish-yellow color and floral-fruity odor, d_(20)~4 0.8570~0.9080,η_(20)~D 1.4327~ 1.5156, B.P.>360℃, acid value 0.2~0.5.According to the results of this experiment,PPPA has characteristics of good plasticizing and perfuming effects for plastics and age-resistant properties.Proper amount of PPPA used for PE or PP is 2~5%

用减压蒸镏法把山苍籽油萜中的香叶醇和橙花醇的含量从15%提高到60%以上(8~20mmHg.70~175℃高馏分),产率为原油萜的25%。把高馏分与10种一元及二元有机酸进行酯化反应,转化率大于96%,粗产品经水洗、中和、分离、干燥、减压蒸馏后,制得以香叶酯和橙花酯为主要成分的混合物即聚烯烃香型增塑剂,产率90~95%。聚烯烃香型增塑剂为淡黄至褐黄色透明油状液体,比重0.8570~0.9080,折光率1.4327~1.5156,酸值0.2~0.5,沸点>360℃,酯总含量(以香叶酯计)63~76%,具有花香或果香香气特征。对PE及PP增塑试验结果证明,聚烯烃香型增塑剂具有显著的增塑作用、优良的添香效果和良好的抗老化特性。聚烯烃香型增塑剂的适宜用量为PE或PP的2~5%。

The preliminary analysis has been made of the top note components of an important rose variety Miaofengsan rose, which is of production significance to the country, 22 of the identified 53 compounds in the top note have rarely been met in rose essential and/or absolute oil, That will be of advantageous to improving the investigation of perfume and essence of rose type. It is effected by appling a combined cold trapping and adsorption cumulation for collecting low concentration compounds from aqueous solution,...

The preliminary analysis has been made of the top note components of an important rose variety Miaofengsan rose, which is of production significance to the country, 22 of the identified 53 compounds in the top note have rarely been met in rose essential and/or absolute oil, That will be of advantageous to improving the investigation of perfume and essence of rose type. It is effected by appling a combined cold trapping and adsorption cumulation for collecting low concentration compounds from aqueous solution, thus provides a feasible convienent method for the wide application on the samples with rare low concentration top note.

对我国有生产意义的玫瑰花重要品种妙峰山玫瑰花的头香成份做了初步分析。鉴定了其中53种化合物,有22种是过去在玫瑰精(净)油中很少见到,这对改进玫瑰型的香料香精的研究将有一定的作用。在收集低浓度的水溶液样品时,我们采用低温收集和吸附富集联用收到较好的效果,为普遍推广对稀有的、含低浓度头香的样品收集分析提供了一种较为方便的方法。

 
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