查询词典 camphene

The results of analysis showed that the contents of low boiling point components such asα-pinene,camphene,β-pinene,α-phellandrene and β-myrcene in flower oil,which are 17.58 %,13.19 %,1.13 %,2.03 % and 1.02 % respectively, are lower than those in leaf oil.

分别提取迷迭香叶与迷迭香花的精油，并用气相色谱和质谱联用技术分析其组成及含量，共识别出30个成分，鉴定出20个。

Isobornyl methacrylate ; Ion exchgange resin ; Methacrylic acid ; Camphene ; Kinetics

甲基丙烯酸莰醇酯；离子交换树脂；甲基丙烯酸；莰烯；反应动力学

Result The results showed that 34 compounds of the volatile oil were identified, which accounted for 90.10% of all. The main chemical compounds were camphene (10.030%), beta-pinene (8.826%), limonene (7.935%), caryophyllene (12.457%). The antibacterial experiments of the volatile oil showed that the volatile oil had antibacterial activities to Staphylococcus aureus, but had no inhibition against Escherichia coil and Rhodotorula glutinis.

结果］经毛细管色谱分析分离，共确认出其中34种成分，所鉴定出化学成分的质量占总量的90.10%以上，应用色谱峰面积归一法分析各成分的质量分数，其主要化学成分是莰烯(10.030%)、-β-蒎烯(8.826%)、柠檬油(7.935%)、丁子香烯(12.457%)；并发现其化学成分对金黄色葡萄球菌有较强的抑制作用，对大肠杆菌、红酵母无明显作用。

After and so on ethyl alcohols wield becomes dry, the small rice noodle shakes,then closely curls up the leather clothing, puts some camphor balls or the camphene block,seals off about 2 months, the mutton smell was mad that may remove also available pours withthe floral water on the towel, then scratches with the towel the leather, the leatherunusual smell did not have.

等酒精挥发干后，把小米粉抖掉，然后将皮衣紧紧地卷起，放上一些樟脑丸或樟脑精块，闷上2个月左右，膻气就可除掉还可用用花露水倒在毛巾上，然后用毛巾将皮革件擦一遍，皮革异味就没有了。

The results indicated that there were 9 kinds of monoterpenes and 3 kinds of sesquiterpenes were identified both in healthy and weak trees.The components included Thujene,α-Pinene,β-Phellandrene,β-Pinene,Camphene,3-Carene,Limonene, Terpinene,p-Mentha-1,4(8)-diene,Cedrene,Thujopsene andα-Caryophyllene.

结果表明，与健康侧柏相比，衰弱侧柏树干中没有检测到新的化学组分产生，同样是由苧烯、α-蒎烯、莰烯、β-蒎烯、β-水芹烯、3-蒈烯、柠檬烯、萜品烯、p-薄荷-1，4(8)二烯共9种单萜和雪松烯、罗汉柏烯和石竹烯3种倍半萜烯组成。

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％。

Methoxy sec-ethyl acetate, Ethyl acetate, Ethyl forate,α-Pinene,β-Pinene, Camphene, Junipene, Limonene, P-Cymene, Linalool and Terpinole are regarded as the key flavorous components, which result in the peculiar smell and taste in fruits of Rubus L..

综合分析表明，甲氧基次乙基乙酸酯、乙酸乙酯、甲酸乙酯、α-蒎烯、β-蒎烯、莰烯及桧烯、柠檬烯、对伞花烃、芳樟醇、萜品醇类等化合物是四种悬钩子类果实的主要香味成分。

By means of GC, GC-MS, GC-IR, IR, H1-NMR,the reaction products were investigated and the results showed that there are camphene, limoneneN terpinolene, Me a -fenchyl ether, Me -terpinyl ether, Me bornyl ether and Me isobornyl ether containing in the products,and the content of the main product Me a -terpinyl ether is up to 42.5%,the selectivity is 44.7%.

采用GC、GC-IR、GC-MS、IR、H~1-NMR等对反应产物进行定量和定性分析，结果表明：微波辐射下α-蒎烯与甲醇的反应产物含有莰烯、柠檬烯、α-小茴香甲醚、异松油烯、异菠基甲醚、菠基甲醚、α-松油基甲醚等，在较好的工艺条件下，主产物α-松油基甲醚的得率为42.5％，选择性为44.7％。

Steam distillation essential oil principal constituent is bornyl acetate, borneol,2,3-dimethyl-bicyclo , hept-2-ene,caryophyllene,camphene,d-d-cadinene,?

水蒸气蒸馏所得的冷杉精油主要成分为：乙酸龙脑酯，龙脑，2，3-二甲基-双环[2.2.1]-庚-2-烯，石竹烯，莰烯，杜松烯，？

1 M packed with Mellapak SM-250 under vacuum in batch process to obtain fractions rich in such components as pinenes, camphene, limonene as well as p-cymene, terpenol s, respectively.

松轻油先用碱液进行预处理，再用工业SM-250型孔板波纹填料塔(300mm、高10.1m)，以真空间歇操作方式进行一次性精馏分离，分别得到富含蒎烯、莰烯、苧烯及对-伞花烃、萜烯醇等的馏分。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐