Effect of Exogenous Hormones on Organogenesis and Subculturing of Betula pendula

Studies on Rooting in Vitro and Transfer of Betula pendula Superior Clones from Germany

欧洲白桦优良无性系试管苗生根与移栽的研究

The effect of medium and explant in organ regeneration of Betula pendula

外植体及培养基对欧洲白桦器官再生的影响

Growth Traits and Selection of Fine Families of Young Betula pendula Seedlings

欧洲白桦早期生长性状表现与优良家系选择

However, little is known about the background of gene expression in flower phase of B. platyphylla, but several genes related to floral development were successfully cloned in Betula pendula in latest years.

然而白桦花期基因表达背景却鲜为人知，直到最近几年，若干花发育相关基因在欧洲白桦中才得以成功克隆。

The characteristics and application in landscape architecture of the groundcover plants are described in four groups, i.e., ferns, grasses, dwarf shrubs, and vines.

分类介绍了蕨类、草本类、矮灌类和藤蔓类4类乡土地被植物的特点及其在园林中的配置应用。

Rhizomatous herb with purple-red flowers suitable for groundcover; sometimes placed in genus Tussilago.

长有紫红色花的适于作地被的根茎草本植物；有时归为款冬属。

Widely cultivated as a groundcover for its dark green shiny leaves and usually blue-violet flowers.

因其光亮的黑绿色叶和紫罗兰色花而被广泛栽培，作为一种地被植物。

Based on the classification of groundcover, the application status of groundcover in Hangzhou urban green space was investigated.

在明确了地被植物概念的基础上，调查了其在杭州城市绿地中的应用现状。

Enter the common name of the groundcover.

输入该地被植物的通用名。

It means not help you tie your shoe but that little plastic tip keeps the rest of the shoelace, the shoe string from unraveling into weak and useless threads.

它可能不会帮助你系上鞋带，但这两个塑料头帮助鞋带的其他部分，线绳的部分，不至于脱线，变成脆弱没用的线头。

Finish off with the bow tie by cutting a15 inch scrap fabric and tie this in a shoe string bow.

剪一块15英寸长的碎布头，像系鞋带那样系成蝴蝶结的形状。

Women wailed to mourn loved ones killed in Thursday's twin suicide bombings at a Shi'ite mosque in Zahedan.

妇女为星期四在一所什叶派清真寺的两起自杀爆炸而丧生的亲人悲痛哭号。

Firefighters doused the smoldering wreckage of vehicles destroyed by several explosions in the Shi'ite holy city of Najaf Monday.

周一，什叶派圣城纳贾夫遭遇几起爆炸袭击，消防人员正在扑灭燃烧的车辆的残骸。

The Iraqi Cabinet approved the pact Sunday, after a bitter and protracted debate and the obstruction of several influential Shi'ite leaders.

在经过激烈和长期的辩论，以及一些有影响力的什叶派领导人的反对后，伊拉克内阁星期天批准这项军事协议。

Also on Saturday, rebels with the Shi'ite Zaidi sect said they shot down a Saudi military helicopter in Yemen.

同样在星期六，什叶派扎伊迪教派的叛乱分子说，他们在也门击落了沙特的一架军用直升机。

Meanwhile, there was a bombing in a vegetable market in Baghdad's mainly Shi'ite district of Sadr City, with dozens of

同时，巴格达主要什叶派社区萨德尔市一个菜市场也发生爆炸事件，造成几十人死伤。

Maliki's Shi'ite supporters have also taken to the streets, in what is becoming escalating sectarian strife.

马利基的什叶派支持者们也走上街头，这场宗派冲突日益升级。

But Sunni Muslims began protesting what they felt was unfair treatment by the predominantly Shi'ite government in Baghdad.

但逊尼派穆斯林开始抗议他们对于巴格达什叶派为主的政府所受的不公平待遇。

General Ham said Iraq's government has proved in recent weeks its willingness and ability to take on insurgents, including Shi'ite militias.

汉姆中将说，伊拉克政府近几星期已经证明他们愿意而且能够对付包括什叶派民兵在内的暴乱力量。

A minibus carrying Shi'ite pilgrims was also targeted in Sadr City about an hour later, wounding people.

他说周围汽车中的一些人受重伤，但是主要是受到炸弹正面冲击的公共汽车损害最大。大约一小时之后，萨德尔市一辆载有什叶派朝圣者的小型汽车也受到袭击，导致少数人受伤。