1) naturerosin
天然松香
2) natural Korean pine
天然红松
1.
According to the renovation investigation under natural Korean pine forest,this paper states that there are con- sanguineous relationship among renovation,forest type and site conditions.
通过对天然红松林下的更新进行调查,阐明了天然红松林下的更新好坏和林分类型及土地条件有着密切的关系,对今后天然红松林经营起到借鉴作用。
2.
According to the investigation of natural Korean pine forest,this paper analyzes the relationship among its burliness,age,forest closing degree and different forest types.
本文通过对天然红松林分的调查,掌握了天然红松的结实量和年龄、林分疏密度及和不同林分类型的关系,同时也掌握了红松果实的质量和不同林分类型的关系,对今后天然红松林经营起到一定的作用。
3) Natural Japanese red pine
天然赤松
1.
The corretativity of root diameter and stand tree volume of natural Japanese red pine;
天然赤松根径与立木材积相关关系的研究
2.
The root distribution and root biomass of natural Japanese red pine (Pinus densiflora) are investigated.
该文对延边地区天然赤松林单木的根系分布特征以及生物量结构进行了调查。
4) Natural flavor
天然香料
1.
So the production of natural flavor with biotechnological method was interested.
从动植物中提取天然香料受原料来源的限制,从而使天然香料物质的开发和应用受到限制;化学合成的香料又非天然,因此利用生物技术生产天然香料越来越为人们所重视。
2.
essential oils is one of the important part of natural flavors,the resources and application in tobacco industry of essential oils in Guangxi province were reviewed.
植物精油是广西天然香料的重要组成部分,本文综述了广西天然植物精油资源及其卷烟工业中的应用情况。
5) natural perfume
天然香料
1.
Recent progress of research of some modern extract technique being used widely in the industry of natural perfume,and introduced new extraction technics in review.
综述了制备天然香料的不同加工工艺技术及其优缺点,并重点介绍了相对较新的工艺技术——旋转锥体柱蒸馏方法的原理及应用。
2.
Ultrasonic extraction method of valeriana officinalis Linn natural perfume was studied The basic parameters of extraction technology were obtained.
通过超声萃取宽叶缬草天然香料的试验研究，得出了基本工艺参数，探讨了超声萃取过程中的工作机理，试验结果表明：超声萃取天然香料具有较显著的效果，值得进一步研究和开发。
3.
In this paper,research work on the separation technologies of natural perfume are introduced mainly in the following 3 areas:l.
本文介绍了在天然香料分离技术3方面的研究工作：(1）天然香料提取工艺与设备的研究，以桔皮油、山苍子油、桂油为例，说明提取芳香精油新工艺具有出油率高、设备简单等优点；（2）精油及浸膏的深度加工，以山苍子油提柠檬醛和茉莉浸膏制取茉莉净油为例，介绍了精油单离和浸膏精制的研究工作；（3）天然香料的一些新型分离方法初探，介绍了水扩散技术和超临界技术在提取天然香料中的应用。
6) natural perfumes
天然香料
1.
A summarize of the traditional extraction and separation technologies of the natural perfumes, such as steam distillation, ethanol extraction, squeezing, absorbing, crystallization.
本文综述了目前传统的天然香料的提取分离技术,如水蒸气蒸馏法、浸提法、压榨法、吸收法、结晶法;新兴的提取分离技术,如分子蒸馏、超临界CO2萃取、微波辅助萃取、加速溶剂萃取、超声提取、色谱法、膜分离、毛细管电泳法和旋转带精馏,以及这些方法的特点与应用前景。
2.
An overview of the widely used extraction technologies of the natural perfumes,such as squeezing,distillation,extraction,microwave extraction,absorbing,chromatography and crystallization technologies are presented.
综述了当前应用比较广泛的天然香料提取技术 ,如冷压榨法、蒸馏技术、萃取技术、微波萃取技术、吸收法、色谱法以及结晶技术 ;介绍了这些技术的原理、特点、优越性、研究进展和应用 ;指出了存在的若干问题 ,并对其发展前景进行了展
补充资料：松香与甘醇、马来酐、松浆油松香和二甘醇的聚合物
CAS: 90091-77-3
分子式: (C6H14O4·C4H10O3·C4H2O3·W99·W99)x
中文名称: 松香与甘醇、马来酐、松浆油松香和二甘醇的聚合物
甘醇、一缩乙二醇、二甘醇、二缩乙二醇的聚合物
英文名称: Rosin, polymer with diethylene glycol, maleic anhydride, tall-oil rosin and triethylene glycol
Rosin, polymer with tall oil rosin, maleic anhydride, diethylene glycol and triethylene glycol
rosin, polymer with diethylene glycol, maleic anhydride, tall-oil rosin and tri
rosin, polymer with diethylene glycol, maleicanhydride, tall-oil rosin and triethylene glycol
Rosin,polymer with diethylene glycol,maleic anhydride,tall-oil rosin and triethylene glycol
分子式: (C6H14O4·C4H10O3·C4H2O3·W99·W99)x
中文名称: 松香与甘醇、马来酐、松浆油松香和二甘醇的聚合物
甘醇、一缩乙二醇、二甘醇、二缩乙二醇的聚合物
英文名称: Rosin, polymer with diethylene glycol, maleic anhydride, tall-oil rosin and triethylene glycol
Rosin, polymer with tall oil rosin, maleic anhydride, diethylene glycol and triethylene glycol
rosin, polymer with diethylene glycol, maleic anhydride, tall-oil rosin and tri
rosin, polymer with diethylene glycol, maleicanhydride, tall-oil rosin and triethylene glycol
Rosin,polymer with diethylene glycol,maleic anhydride,tall-oil rosin and triethylene glycol
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条