查询词典 birch beech

This paper took the insect-resistant transgenic birch grown in greenhouse for four years as study materials. The genomic DNA and RNA of leaves were extracted and the integration and the expression characteristic of the extraneous genes in the insect-resistant transgenic birch were analysed by methods of multiplex PCR, reverse primer PCR, inverse PCR, RT-PCR, and insect-feeding experiment of the transgenic plants respectively.

本文以温室四年生转抗虫基因白桦为研究材料，提取叶片的基因组DNA和RNA，运用多重PCR，反向引物PCR，反向PCR和RT-PCR等方法，并结合转基因白桦的喂虫实验，分别对转基因白桦外源基因的整合特性和表达特性进行分析，所得结果如下： 1。

We have: Chinese South West White Birch, Alder, Chinese Mahogany, Chempaka,Chinese Northeast Birch, Basswood, Kashiwa Oak, Tulipwood, Chinese Ash, IPE, Tonkabean Cumaru, Macaranduba, Tauari, Walnut, Sapele, Maple, Red Oak, White Ask, Cherry, Cedar, Tata Juba Bubinga Sucupira ect including domestic and imported veneers and bamboo veneer.

工厂生产的木皮品种有：五角枫、白椿、国产黑胡桃、国产白元、铁杉、国产红樱桃、国产红檀、拐枣、香柏、西楠桦、白桦、白松、白木莲、铁椿、白胡桃、桃花芯、东北桦、椴木、柞木、楸木、水曲柳、紫檀、黄花梨、黑胡桃、红橡、白橡、樱桃、沙比利等各类国产及进口木皮。

With willow, birch, or oak, and scented on the flesh side with birch ''.

一种光滑的皮革，经过柳木、桦木、橡木硝制，内壁用桦树''。

A smooth leather tanned with willow, birch, or oak, and scented on the flesh side with birch oil.

一种光滑的皮革，经过柳木、桦木、橡木硝制，内壁用桦树油加上香味。

Alvar Aalto's 1930 armchair, at right, is made of birch plywood and solid birch.

阿尔瓦·阿尔托1930年创作的这把由白桦木制成的扶手椅便是如此。

The current developments were summarized and the research contents of this thesis were described.In the second chapter, a simple procedure is described for the simultaneous extraction and determination of betulin and betulinic acid in white birch bark. To compare extraction efficiency, effect of white birch bark growing in different locations and different extract solvents on the content of betulin and betulinic acid were evaluated.

第二章建立了一种简单、准确度、灵敏度高和重现性好的RP-HPLC同时测定白桦树皮中白桦酯醇和白桦酯酸含量的方法，并用这种方法研究了提取溶剂以及产地对树皮中白桦酯醇和白桦酯酸的含量影响，确定了最佳的提取工艺。

This results indicated that peashrub shrubland created a favorable N condition for its invading the meadow and being invaded by birch forest, and played a important role in altering the successional direction of meadow→peashrub shrub land →birch forest.

尽管箭叶锦鸡儿灌丛植物叶片与凋落物中全N、全P浓度在大多数取样点上都低于硕桦，但表层土中全N浓度高于硕桦和草甸，且其土壤有机质的供氮能力以及维持氮素能力都高于硕桦林和草甸，表明，锦鸡儿灌丛为侵入草甸和硕桦入侵提供了良好的养分条件，在该演替序列的发展过程中起了一定的推动作用。

Manual, recommending birch for treating the purulent wounds, the prolongedly unhealing ulcers, advises:"so that the rotten meat from the ulcer was eaten away, ground birch crust should be poured into the rotten wound ".

古俄罗斯医学手册推荐桦树治疗伤口化脓，prolongedly溃疡愈合，劝告：&使肉烂的溃疡是蚕食、地壳地面桦树应排入烂伤疤&。

Autumn, my girl Sitting on a fallen white birch And the white birch forest got the Corrupt breath of her body.

秋天，我的姑娘坐在一棵伐倒的白桦树上整个白桦林染上了她身体的腐败气息。

E.g., Allergy to hazelnuts is common in areas with many birch trees, where birch pollen hay lever is frequent

榛实敏感症一般发生在有许多桦树的地区，在这些地区经常发生桦树花粉热

Warden: That's a beautiful dog, but don't bring her again.

那是条漂亮的狗，但是不要再把她带来了。

You get up in the morning – no hangover!

你第二天早上起来的时候—不会宿醉！