查询词典 birch camphor

Bein8 simple, fast and duplicable in operation, gas chrormatography is a good method to determine the content of camphor and menthol with accurate, stable and reliable results.

气相色谱测定法测定樟脑与薄荷脑快速、简便、重现性好，结果准确、稳定、可靠。

ESSENTIAL OILS AND FLAVORS - Some ingredients, such as salicylates in oil of wintergreen, menthol, camphor, eucalyptol, and other oils and flavorings, can be extremely toxic if ingested.

精油及香料-一些成分，如水杨酸在冬青油，薄荷醇，樟脑， e ucalyptol，和其他油类和调味料，可毒性极强，如果摄入。

Only formic, lactic, acetic, and oxalic acids, menthol, thymol, eucalyptol, and camphor may be used for Varroa control

只有蜂酸、乳酸、醋酸、草酸、薄荷醇、麝香草酚、桉油精和樟脑可被用于Varroa 控制。

Results: the yield rate of the collected volatile oil of artemisia indica and artemisia feddei was 0.32%, 0.29%, respectively. the main constituents of them were as follows: eucalyptol, camphor, borneol, terpineol, cubebene, caryophyllene, caryophyllene oxide, germacrene d, etc, which was similar to the constituents of volatile oil from artemisia argyi. but the contents of volatile oil were different in different medicinal materials. longiverbenone with high content in artemisia feddei was can not be detected in artemisia indica and artemisia argyi.

结果：广西产五月艾与细叶艾挥发油的得率分别为0.32%、0.29%；五月艾、细叶艾和艾叶挥发油中均含有桉油精、樟脑、龙脑、松油醇、荜澄茄油烯、石竹烯及其氧化物、大根香叶烯d等药效成分，但各成分在不同药材中的含量存在一定差别；此外，细叶艾挥发油中含量较高的长叶马鞭烯酮在五月艾和艾叶挥发油中均未检出。

objective to determine the contents of eucalyptol, camphor, synthetic borneol, menthol, methyl salicylate, cinnamaldehyde and eugenol in shexiang qufengshi adhesive plasters by gc method.

目的建立气相色谱法同时测定麝香祛风湿膏中桉油精、樟脑、冰片、薄荷脑、水杨酸甲酯、桂皮醛、丁香酚等7组分的含量。

Formic acid, lactic acid, acetic acid, oxalic acid, menthol, thymol, eucalyptol or camphor are used preferably to chemically synthetised products in cases of infestation with Varroa jacobsoni.

万一受到蜂螨群袭，蚁酸、乳酸、醋酸、草酸、薄荷醇、麝香草酚、桉油精或樟脑的使用优先于化学合成的药品。

The main compounds in the natural terpineol oil were eucalyptol, trans4thujanol, pisopropenyl toluene, cis4thujanol, linalool, camphor, borneol, 4terpineol,αterpineol and safrole.

天然松油醇粗油中主要成分是1，8桉叶素、反式4艹守醇、p异丙烯基甲苯、顺式4艹守醇、芳樟醇、樟脑、龙脑、4松油醇、α松油醇和黄樟素。

Camphor oil was abstracted from the greenheart leaf by the steam-distil method and used as main component of corrosion inhibitor for hydrochloric acid cleaning .

用水蒸气-蒸馏法从樟树叶中提取桉叶油；并将其作为盐酸酸洗缓蚀剂的主要成分，用正交实验法优选了复合缓蚀剂配方；采用线性极化法评价缓蚀剂的缓蚀效率，并对其缓蚀机理进行了初步探讨。

Half a year passes away , I discover school although dilapidated, but have the boundless lease of life, campus li of lofty incense camphor tree and phoenix tree studying by school atmosphere has been all of a sudden strong a good deal.

半年过去了，我发现学校虽然破旧，但是却有着无限的生机，校园里高大的香樟树和梧桐树让学校的学习氛围一下子浓烈了好多。

Since the founding of the company in May 1989, has improved the market for teaorganic manure for cultivation of tea and incense camphor tree transplant fostered the 2176 acres of tea agro-ecological demonstration base and He opened mountain mu age 800 to focus the protection of ancient tea trees.

公司一九八九年五月成立以来，先后对勐海县茶叶良种场用有机农家肥对茶园进行耕作并把樟香树进行移植培育形成的2176亩农业生态茶叶示范基地及贺开山区万亩800年龄古茶树进行重点保护。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。