查询词典 oriental arborvitae

The natural distribution of oriental arborvitae in Shanxi Province is limited to the south of inside the Great Wall.

侧柏在山西省的天然分布仅限于内长城以南，为实现雁门关外造林树种的多样性，从 1 996年起在怀仁县进行了侧柏造林试验。

The effect of oriental arborvitae volatile to Semanotus bifasciatus and the mechanisms are the focus of this paper,which can support for the prevention of Semanotus bifasciatus as a theoretical basis.

本文的重点是研究侧柏挥发物对双条杉天牛趋性行为的影响及可能原因，为双条杉天牛引诱剂的研究开发及综合治理提供依据。

To exploit the resources of shikimic acid, the content of shikimic acid in Masson pine leaf, Oriental arborvitae leaf and Star anise, the extraction and recovery experiments were studied by HPLC.

为了开发莽草酸资源，以高效液相色谱法分析了马尾松、侧柏以及八角茴香中的莽草酸含量，并研究了马尾松中莽草酸的超声提取、加热回流两种提取方法和不同加标水平的回收试验。

This paper expounds afforesting technique of direct seeding oriental arborvitae from place choice, seeding season, afforesting method, seedling management etc and discusses technical points from experience.

从林地选择、播种季节、造林方法、幼苗管理等方面阐述了侧柏直播造林技术，并总结经验教训，探索其技术要点。

The acquisition method of volatile compounds, from different mechanical damage exent of oriental arborvitae, are the dynamic headspace body of improved air circulation Acquisition Act.

利用改进了的动态顶空气体循环采集法，对受不同程度机械损伤侧柏木释放的挥发物进行了采集粗提，通过热脱附冷阱-气相色谱-质谱联用仪进行了提取分析鉴定。

The results of The biological characteristics of Semanotus bifasciatus have showed: 1. The hole of Semanotus bifasciatus associated with a certain temperature.2.The main damages of Semanotus bifasciatus located oriental arborvitae tree trunks, while above 3m parts are not damaged. 3.The Mating numbers of Semanotus bifasciatus are not unique ,and the duration varied due to the different individuals, the average duration is 3.2 minutes . 4. when are flying , they are more sensitive to blue and green; while moved, they are more sensitive to black.

对双条杉天牛的生物学特性的研究结果表明：双条杉天牛出孔与温度有一定的相关性，温度过低，双条杉天牛停止出孔；对于树高7m以上的树，主要危害侧柏基部的1-3m的主干部分，3m以上基本不受害；双条杉天牛需要经过一段时间的抱合才能交尾，交配对象不专一，雌雄成虫均可以多次交尾，交尾时间长短不一，平均3.2min/次；飞行时对蓝色和绿色较为敏感，爬行时对黑色较为敏感。

The steam distillation. 2.Rotary evaporation distillation, 3.supercritical extraction for the extraction of volatile oil oriental arborvitae, the experiment results showed, 1.the best conditions for the extraction by rotary evaporation are NG:water:ethanol=l:4:4 sawdust under the conditions 50 ° C in temperature, atmospheric pressure 0.1 Pa, extract maximum extraction rate of 90 minutes.

对不同方法提取得到的侧柏挥发性物质的粗提物进行了的触角电位测定和行为测定，确定了利用水蒸气蒸馏、旋转蒸发蒸馏、超临界萃取三种方法进行侧柏挥发油的提取，并通过试验得到旋转蒸发仪萃取的最佳方法为：在木屑：水：乙醇=1：4：4；50℃温度；0.1个大气压的条件下，提取90min的提取率最高。

This study detected rapidly WTGs infecting oriental tobacco, and weeds such as Ageratum, malvastrum and bean surrounding the oriental tobacco field, and vector–transmitted WTGs by PCR .

本研究利用PCR技术快速检测香料烟植株及田间其它植物如胜红蓟、赛葵及菜豆等、以及病毒介体的带毒情况。

The classical Chinese ancient book databasesinclude the national Chinese ancient book database,the catalog database of Chinese ancient book of theInstitute of Oriental Culture,the Oriental literature category retrieval system,the Chinese ancient bookcatalog of The Toyo Bunko,etc.

其中，有代表性的中文古籍书目数据有全国汉籍——日本所藏中文古籍数据库、东洋文化研究所所藏汉籍目录数据库、东洋学文献类目检索系统、东洋文库所藏汉籍目录等。

In order to control the oriental fruit fly, Bactrocera dorsalis, efficaciously, economic thresholds of the oriental fruit fly in carambola orchards were studied.

为有效控制桔小实蝇的危害，通过田间调查桔小实蝇数量动态和杨桃产量损失，研究了杨桃上桔小实蝇的防治指标。

The United Kingdom has pledged to provide technical assistance to the peacekeeping effort in Darfur, including airlifting supplies and equipment to assist the African peacekeepers.

英国承诺为达佛的維和努力提供技术帮助，包括提供非洲的維和部队空运补給和裝备。

Results: The level of ET-1mRNA in placental villus was significantly higher in pre-eclamptic women than that in control group.

结果：妊高征组患者胎盘绒毛组织ET-1 mRNA的表达较正常妊娠组明显增高。