产油

For the synthesis reaction of chalcone, cyclohexanone aldolization and biodiesel,γ-Al_2O_3-NaOH-Na solid superacid has a satisfactory catalytic activity. With hypnone and phenylaldehyde as raw material, amount of catalyst 7.5% wt% of material, mole ratio of hypnone and phenylaldehyde 1:1.1, reaction temperature 40℃, after 3 hours, the yield of chalcone can be up to 96.88%. With cyclohexanone as raw material, amount of catalyst 10% wt% of material, reaction temperature 190℃, after 3 hours, dimmer of cyclohexanone can be up to 85.66%.

将该固体超强碱催化剂应用于查尔酮、环己酮自缩合以及生物柴油的合成反应中，该改性固体超强碱催化剂表现出了良好的催化活性：以苯乙酮和苯甲醛为原料，反应温度为40℃，催化剂用量为反应物总质量的7.5％，苯甲醛与苯乙酮摩尔比为1：1.1，反应3h查尔酮产率可达96.88％；以环已酮为原料，催化剂用量为原料总质量的10％，反应温度为190℃，反应3h，二聚物的总收率可达85.66％；以动物油和甲醇为原料，醇油摩尔为9：1，催化剂用量为动物油质量的2％，反应温度为70℃，反应3h后，生物柴油的收率可达91.8％。

With the adoption of self-designed interpolation ultrasound-assisted supercritical fluid extraction device, supercritical fluid extraction and ultrasound-assisted supercritical fluid extraction were employed to extract coix lacryma-jobi seed oil from coix lacryma-jobi seeds.

采用自行设计的超声强化超临界CO2萃取装置研究了超临界流体萃取和超声强化超临界流体萃取薏苡仁油，并对各自的实验条件进行了优化，比较了在各自优化条件下的产率。

A transparent, often yellowish, viscous oleoresin obtained from South American trees of the genus Copaifera in the pea family, used in certain varnishes and as a fixative in some perfumes.

苦配巴香脂一种透明的，常为淡黄色的黏性含油树脂，从产于南美洲的豆科苦配巴树中提取，用于某些清漆中，也可作香水的固定剂

A transparent,often yellowish,viscous oleoresin obtained from South American trees of the genus Copaifera in the pea family,used in certain varnish es and as a fixative in some perfumes.

苦配巴香脂一种透明的，常为淡黄色的黏性含油树脂，从产于南美洲的豆科苦配巴树中提取，用于某些清漆中，也可作香水的固定剂

The essential oil was obtained from the fresh aerial parts of coriander Coriandrum sativum L .

采用气相色谱/质谱联机对水蒸汽蒸馏得到的黑龙江产芫荽茎叶精油的芳香成分进行了分析。

Hu, a conifer of the genus Cupressus in Cupressaceae, is an precious species endemic to Sichuan and Gansu Province in China, which has been nominated as the 2~ class protection plants in.

Hu是一种柏科柏木属乔本，俗称香柏、油柏、木香树，仅产于我国四川和甘肃两省，是我国特有珍贵树种，作为国家二级重点保护植物被收录于《中国植物红皮书》。

Under the optimal reaction conditions of 0.5MPa pressure, at 150℃, H2 gas flow rate of 5000 mLh^(-1) and liquid flow rate of 5.0mLh^(-1), the conversion of furoic acid, selectivity to methyl tetra-hydro-furan formiate and yield of methyl tetra-hydro-furan formiate can reach 99.0%, 98.2% and 97.2%, respectively.

结果表明：在0.5MPa，150℃，氢气流速5000mLh^(-1)，液体流速5.0mLh^(-1)（氢油比为50）时，呋喃甲酸转化率为99.0%，四氢糠酸甲酯的选择性98.2%，产率97.2%。

The hydrogenation and methyl esterification of furoic acid over Pd-Ni/γ-Al2O3 catalysts was investigated in fixed bed micro-reactor under different conditions such as reaction temperature,pressure,H2 space velocity,space velocity of furoic acid and methol,ratio of H2 and furoic acid and so on.

以糠酸、甲醇、氢气为原料，采用连续流动固定床微反应器，Pd-Ni/γ-Al2O3为催化剂，使糠酸一步加氢甲酯化生成α-四氢糠酸甲酯。研究了反应的温度，压力，气、液体流速，进料流量等因素对催化反应的影响。结果表明：在1.5MPa，250℃，氢气空速3300 h-1，液体空速3.0 h-1(氢油比为50)时，糠酸转化率为96.6%，四氢糠酸甲酯的选择性97.2.0%，产率94.0%。催化剂稳定性较好，连续运转280小时后未见活性下降。该反应体系活性高，选择性好，反应压力低，催化剂性能稳定，操作简单，产物易分离

Synthesis of biodiesel by transesterification of rapeseed oil and methanol catalyzed by KOH/Al2O3 solid base was studied. The catalyst was prepared by isochoric impregnation. Effects of some factors on the transesterification were investigated systematically and reaction conditions were optimized. The optimum reaction conditions on KOH/Al2O3 catalyst were: mass ratio of KOH to Al2O3 20%; calcination temperature 400℃ for 5h; molar ratio of methanol to oil 12:1, the amount of catalyst 5wt%; reaction temperature 60℃ and reaction time 2h.

采用等体积浸渍法制备了KOH/Al2O3负载型固体碱催化剂，并将其用于菜籽油与甲醇酯交换法合成生物柴油的研究；分别考察了催化剂附载量、锻烧温度、醇油摩尔比、反应温度、反应时间等条件对生物柴油产率的影响；结果表明：用等体积浸渍法，在400℃煅烧5h，制得负载量为20%的KOH/Al2O3催化剂。

Using Lithospermum erythrorhizon seeds grown in the northeast of China as raw material, tracing and analyzing quantitatively with gas chromatographic method and applying an improved method of urea inclusion,a thorough experimental research was performed on the technical conditions to separate and purify linolenic acid from Lithospermum erythrorhizon oil.

以中国东北地区产的紫草种籽为原料，气相色谱内标法进行跟踪定量分析，采用改进的尿素包合法，对从紫草种籽油中分离提纯亚麻酸的诸工艺条件进行了实验研究。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了