propagation的例句大全

Direct regeneration of shoots from immature inflorescences in Dendrocalamus asper ( edible bamboo) leading to mass propagation

马来甜龙竹大量繁殖来自未成熟花序的定向笋更新

But variety has been aged and degenerated severely for long time because of asexually propagation and lack of effective breeding route.

因长期无性繁殖，品种老化和退化严重，但有性世代退化而缺乏有效的育种途径。

The external cause includes unfitting culture conditions, strain aging, unsuitable preservation and infection virus of asexuality propagation.

外因主要包括培养条件不适宜、菌种老化、菌种保藏不当和菌株无性繁殖体感染病毒。

The technology of Araceae s rapid propagation of industrialization to culture management was studied systematically.

本文系统地研究了从组织培养快繁工厂化生产到栽培管理的一整套技术。

By increasing gradually the applied load, the damage propagation and the ultimate strength are obtained.

层合板的破坏扩展及极限强度通过逐渐增加载荷迭代求得。

Effect of annular eclipse on time signal propagation of Loran-C sky wave

日环食对LORAN-C天波时号传输的影响

Propagation of Alfven waves in multi-layer solar atmosphere model

多层太阳大气模式中Alfvén波的传播

Rapid propagation technique for tissue culture saplings of Ailanthus altissima Swingle

红叶臭椿组培快繁育苗技术研究

In agamous propagation aspect which is rarely studied, technique is given and at last prospects of Kerria lacca host plants are viewed.

在研究相对较少的寄主植物无性繁殖方面提出研究的思路和对策；最后展望了寄主植物今后的研究发展方向。

In vitro propagation of Adiantum raddianum presl.

楔叶铁线蕨的离体快繁。

This predictive method is introduced detailedly. 2 、 The initiation and propagation of fibre damage, matrix cracking, delamination and adhesive failure of repaired composite laminates as well as coupling effect among them is investigated.

对该方法作了详细介绍。2、对楔形修补层合板的纤维断裂、基体开裂、层间分层以及胶层脱胶等损伤的萌生和扩展以及它们之间的耦合作用进行了研究。

Stem-Segment Culture and Tube Propagation of Boyne Red Raspberry

红宝玉树莓的茎段培养及试管繁殖

ATMOSPHERIC CORROSION PROPAGATION ON GALVANIZED STEELS UNDERNEATH PAINTS WITH SCRATCHS Corroded Post-Tensioned Beams with Bonded Tendons and Wire Failure

涂膜破坏后膜下镀锌钢板大气腐蚀扩展研究有粘结筋的锈蚀后张混凝土梁和钢丝破坏模式

Effect of hydrogen on fatigue crack propagation in bond weld fusion zone

电解充氢对堆焊熔合区疲劳裂纹扩展行为的影响

The propagation velocity of nonpolaritons is a monotonically increasing function of temperature.

非极化激元的传播速度是温度的单调增加函数.

Tissue culture and quick propagation of dendrobium nobile lindl

金钗石斛的组织培养和快繁技术

Study on Rapid Propagation and Total Alkaloids Accumulation of Dendrobium Nobile

金钗石斛快速繁殖及其生物碱累积的研究

Studied on Rapid Propagation Technology of Diospyros kaki

甜柿离体快繁技术研究

Propagation techniques of Carya illinoensis

薄壳山核桃繁殖技术

Tissue culture and rapid propagation of Primula forrestii balf. f.

灰岩皱叶报春的组织培养与快速繁殖。