cedarite

The reaction products of a new pine gum catalytic disproportionation were analyzed by gas chromatography/mass spectrometry(GC/MS) using HP-5MS flexible quartz capillary column.

采用气相色谱-质谱技术对松脂的催化歧化新工艺的反应产物进行分析,共分离出45个峰,鉴定出其中的38个化合物,并发现松脂歧化产物中歧化松节油的主要成分为对伞花烃,含量为16。

Using a novel experimental apparatus with an improved agitator,a lumped kinetic model for the intermolecular hydrogen transfer reaction of pine gum over a Pd/C catalyst was investigated under nitrogen atmosphere.

以Pd/C为催化剂,在改进的动力学实验装置上研究了松脂分子间氢转移反应的集总动力学。

Using turpentine from pine gum itself as solvent,catalytic disproportionations of P.

以Pd/C为催化剂、马尾松和湿地松松脂为原料并利用其自身所含松节油作溶剂进行催化歧化反应制备歧化松香和对-伞花烃的研究。

Chemical Characteristics of High Content 3-carene Oleoresin from Pinus kesiya var.langbianensis;

高3-蒈烯思茅松松脂的化学特征

CHEMICAL COMPOSITION OF OLEORESIN OF PINUS SYLVESTRIS──The Main Pine Species for Oleoresin Production in Russia;

俄罗斯主要采脂树种──欧洲赤松松脂的化学组成

Differences of Physical and Chemical Characteristics of Oleoresin Among Provenances from Pinus Yunnanensis;

云南松种源间松脂物理化学特征差异研究

Any of various volcanic glasses distinguished by their dull pitchlike luster.

松脂石某种火山玻璃，以其暗似沥青的光泽而著名

Employing C_5 Petroleum Resin as Rosin Extender of Cationic Rosin Size

C_5石油树脂做阳离子分散松香胶的松香补充剂

Synthesis of Cationic Dispersed Rosin Size with C_9 Petroleum Resin

石油树脂用于合成阳离子分散松香胶

A resinous copal or a fossilized resin of these trees, used in varnishes and enamels.

考里松树脂这种树的古巴树脂或化石树脂，用于装饰和涂瓷漆

Function of Petroleum Resins in Rosin Sizing

石油树脂作松香补充剂对松香胶性能及其施胶作用的影响

A plant of the genus Lycopodium, which includes the club mosses.

石松属植物一种石松属植物，包括石松

resin of the kauri trees of N Zealand; found usually as a fossil; also collected for making varnishes and linoleum.

新西兰贝壳松的树脂，发现时通常为化石状，收集以制作清漆和油布。

A resin derived from the sap of various coniferous trees, as the pines.

松脂，树脂某种松脂，自某些针叶树（如松树）上提取

To extract turpentine from(a tree.

从（树上）提取松脂

Crude turpentine obtained from the cluster pine tree(Pinus pinaster)of southern Europe.

海松树脂从产于南欧的丛生松树（松属南欧海松）上获得的天然树脂

used in some classifications for the class Lycopsida: club mosses.

在某些分类中取代石松纲（theclassLycopsida）；石松。

rosin-maleic ester

顺丁烯二酸－松香脂

turpentine paste resin

松节油制膏新型树脂

The Physical and Chemical Characteristics of Gum Turpentine and Gum Rosin from Lianghe

梁河脂松节油、脂松香的物理和化学特征

Study on the Output of Resin and Its Chemical Composition from Australia Pine Hybrid

澳大利亚杂交松产脂量及松脂成分研究

The Present Situation of Oleoresin Resources and Development Prospects of Its Production in Liaoning Province

辽宁省松脂资源现状及松脂生产发展前景

On the Resin Yield of Pinus massoniana with Different Tapping Methods

不同采脂方法对马尾松产脂量的影响

An unconsolidated mixture of rock fragments or pebbles.

砾石岩石碎片或卵石的松散的混合物