松节油的

Camphene is widely applied to synthesize spice and medicament asimportant chemical material.At present,the main source of camphene is theisomerization of turpentine which is abundant in Guangxi Province.

莰烯是重要的化工原料，广泛应用于香料合成、药物合成等领域；目前莰烯的主要来源是松节油的异构化，而广西盛产松节油。

The results were asfollows:When the ratio of HY zeolite to raw material was 2.5g/100mL and thereaction was heated to 140℃for 4h,the effect of isomerization of turpentinewas better, the conversion rate of pinene was 97.02%,and the selectivity ofcamphene was 42.88%.When the ratio of HZSM-5 zeolite to raw material was4.5g/100mL and the reaction was heated to 140℃for 4h,the effect ofisomerization of turpentine was better, the conversion rate of pinene was86.24%,and the selectivity of camphene was 46.95%.

结(来源：A45BC论ba文网www.abclunwen.com)果表明：HY型沸石分子筛催化，当其用量为2.5g／100mL原料，反应在140℃下维持4h时，松节油的异构化效果较好，蒎烯转化率达97.02％，莰烯选择性为42.88％；而HZSM-5型沸石分子筛催化，当其用量为4.5 g／100mL原料，反应在140℃下维持4h时，松节油的异构化效果较好，蒎烯转化率达86.24％，莰烯选择性为46.95％。

Walking into my drawing room, the smell of turpentine oil makes me relaxed and happy. All the mysteries and anxieties seem to fly away immediately. I feel that the drawing room is the home of my heart.

现在当我走进画室，松节油的香味儿让我心旷神怡，心中无数的迷与结似乎不解而散，我感觉画室就应该是我的归宿。

The key ingredients of pine cone oil are α-Pinene and β-Pinene,α-Pinene is the main raw material to synthesize borneol.

松节油的主要成分是α-蒎烯和β-蒎烯，本文在三种传统合成工艺的基础上进行改进。

It's also the source of turpentine, a natural fuel.

还是松节油的来源，一种自然燃料

Resources, categories, constitutes, physical and chemical characters of turpentine were introduced in this paper.

简要介绍松节油的来源、分类、组成和物理化学性质。

So it hasgreat significance to full use the rich turpentine resources by the study on theisomerization of turpentine in our country.

因此，研究松节油的异构化对综合利用我国丰富的松节油资源很有意义。

Some decorators went by and I lingered, inhaling the scent of turps that I have loved since I was a child.

几个油漆工走过，我停下脚步，深深地闻着那股松节油的香味，我从小就喜欢这种气味。

Lianghe turpentine relative density, refractive index, initial boiling point, distillation range size, optical activity and chemical composition as well as the softening point, acid value, unsaponifiable matter content, ethanol insoluble matter, ash, optical activity and chemical composition and other physical and chemical characteristics of rosin gum were studied.

研究梁河脂松节油的相对密度、折光率、初馏点、馏程体积、旋光度和化学组成以及脂松香的软化点、酸值、不皂化物含量、乙醇不溶物、灰分、旋光度和化学组成等物理和化学特征。

To investigate the effect of EPO on hepcidin mRNA expression in normal mice,acute inflammatory mice and ACD mice,the acute phase model and ACD model of mouse was produced by subcutaneous injection of turpentine oil.

本研究探讨红细胞生成素在正常小鼠、急性炎症小鼠和慢性病性贫血小鼠模型中对hepcidin mRNA表达的影响。通过小鼠背部皮下双肩胛骨间脂肪垫内注射松节油的方法建立急性炎症模型和ACD模型。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。