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Gibberellin play an essential role in many aspects of plant growth an development, such as seed germination, stem elongation and flower development.

赤霉素在植物的种子萌发、茎的伸长和花的发育等许多方面起着非常重要的作用。

The domestic slenderized wool is a kind of new giber,which is made through physical stretching along common wool,with elongation approximately 50% and diameter 3～4 μm less than counterparts.

以国产拉伸细化羊毛为研究对象，对其外观结构、性能特征、沸水回缩、染色性能指标进行了观测、测试、试验及研究。

For the PUU/BO-g-VER (n-butanol graft VER network)hybrid film, the miscibility between the soft and hard segments in PUU phase was improved byadding the BO-g-VER network into PUU, resulting in remarkable reinforcement effect andgreat improvements of mechanical properties for the films. In the PUU/200-g-VER [Mn: 200,poly graft VER], the 200-g-VER network had considerable compatibility withboth hard segments and soft segments in PUU phase, then good reinforcement effect wasrealized, giving rise to higher tensile strength and elastic module, lower elongation at break ofthe hybrid films.

由于BO-g-VER与PUU硬段具有较好的相容性且促进了PUU软硬段间的微相混合，导致PUU／BO-g-VER hybrid膜的力学性能有较大程度的提高，体现了明显的增强效果。200-g-VER(分子量为200的单官能团聚醚接枝VER)与PUU软硬段均有很好的相容性，因此PUU／200-g-VER hybrid有较好的增强效果，使胶膜的拉伸强度和弹性模量提高，断裂伸长率下降。

Along with now the science andtechnology development, includes high tech each kind of new fabriclining textile fiber to arise at the historic moment, effectivelychanged performance and so on textile fiber intensity, elongation,module and elasticity, has satisfied the gym suit and other sportinggoods lining as far as possible in the waterproofing, the ventilation,maintains warmth, is wear-resisting, expansion and contraction,extends and so on moderately the many kinds of functions demand.

随着当今科学技术的发展，含有高科技的各种新型织物面料纤维应运而生，有效地改变了纤维的强度、伸长、模量及弹性等性能，尽可能地满足了运动服及其它体育用品面料在防水、透气、保暖、耐磨、伸缩度、舒适度等多种功能的需求。

After natural weathering, flexural properties increased greatly, tensile strength decreased, except for those with HALS and phthalocyanine green, tensile elongation at break and impact ductility decreased greatly.

自然老化后，弯曲性能大幅度提高，拉伸强度除添加受阻胺和酞菁绿的之外，其余均降低，拉伸断裂伸长率和冲击韧性大幅度降低。

The higher level of GA〓 would inhibit tuberization but associates with the hearty growth of sprout haulm and the elongation of stolons.

内源GA〓的大量积累有利于植株的旺盛生长及匍匐茎的形成及伸长，对块茎形成起抑制作用。

PsCon1 might have influence on germ tube elongation, haustorium and urediospore formation, so it might play a role in the process of stripe rust infection on wheat.

PsCon1参与了小麦条锈菌对小麦的侵染，可能作为一个致病相关基因影响了条锈菌芽管和吸器的形成，同时促进了条锈菌在侵染过程中的产孢。

The results show t hat yttrium exists as the form of compound (Al2Y) in AZ31 magnesium alloy, and dystectic Al2Y as the heteromorphic nucleation emerges firstly in the cou rse of alloy precipitation, which refines the alloy's microstructure and obviou sly improves the mechanical properties at room and high temperature. The average grain size of AZ31 magnesium alloy containing Y is reduced by 35.82%. Tensile s trength, yield strength and elongation percentage reach 212 MPa, 147 MPa, and 7. 5% at room temperature respectively, and 117 MPa, 98 MPa, and 10.2% at 200 ℃ re spectively.

结果表明，Y在AZ31 镁合金中主要以块状Al2Y化合物形式存在；高熔点的Al2Y在合金凝固过程中首先析出，成为凝固的异质形核剂，从而细化了合金组织，改善了室温和高温力学性能；由于Y的强化，含Y AZ31镁合金平均晶粒尺寸降低幅度约为35.82 %；室温抗拉强度、屈服强度和延伸率分别为 212 MPa， 147 MPa和7.5%，200 ℃时分别为117 MPa， 98 MPa和10.2%。

The results show that the compound conductive fiber has typical structure of sheath-core consists of black greened polyaniline electric conductive deposition as the skin and the white polypropylene matrix fiber as the core, which makes the compound fiber preferable physical mechanical property. The intensity and the elongation ratio of the electric conductive fiber are decreased but the thermal stability is enhanced after modified. The compound fiber has the good acid resistance but poor base resistance. The thermal stability of the compound fiber prepared by 4-methyl-benzene sulfonic acid is better than that prepared by hydrochloride acid. Moreover, the compound fiber can be re-doped by other organic or inorganic acid after freed from the adsorbed acid. Furthermore, the electric conductivity of the compound fiber decreases with the temperature increasing but hardly changed with the humidity. The adsorptive ability and therefore the content of the polyaniline, the constant of electric conduction, and the durability of the compound fiber can be enhanced by thinning the diameter, section heteromorphosis, section heteromorphosis and plasma treatment of the surface or blending with COPET of the fiber.

结果表明：复合纤维是聚丙烯与聚苯胺的共混体系，具有典型的皮芯型结构，皮层为墨绿色的聚苯胺沉积层，形成连续的导电通道，芯层为白色的聚丙烯基质纤维，提供物理机械性能；导电改性后纤维的强度、强力和伸长率均有下降，但热稳定性得到提高；复合纤维的耐酸性比耐碱性好，以对甲苯磺酸做掺杂酸比盐酸掺杂聚苯胺热稳定性好，脱掺杂后的复合纤维，可用其它无机酸或有机酸进行再掺杂；复合导电纤维的电导率随温度升高降低幅度较大，但几乎不受湿度影响；基质纤维细旦化、截面异形化、表面等离子体处理或共混COPET等改性处理均能提高纤维的吸附性，进而提高复合纤维表面聚苯胺含量、电导率和耐久性。

There are 306 genes that express abundantly in each tissue,and most of these genes belong to house-keeping genes,such as ribosomal protein genes,tubulin genes, translation elongation factor genes,actin genes and so on.

基于基因芯片数据，分析发现，总共有10393个基因能检测到表达(即至少在一个组织中表达)，占了芯片中全部基因总数的44.5%。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。