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- Growth stage structure 生育期结构
- Growth stages and financing needs of private SMEs. 民营中小企业的成长阶段及各阶段的融资需要。
- In this paper, a Lotka-Volterra type predator-prey model with delay and stage structure was discussed. 摘要研究了具有时滞和阶段结构的捕食系统。
- Application of compost may contribute to a slow release of nitrogen at later growth stage of rice plant. 施用堆肥可能对生长后期土壤缓慢释放氮有所贡献。
- From then on, they directly entered the decline stage, without experiencing a growth stage and a stagnation stage. 由发展阶段直接进入衰落阶段,没有巩固与停滞阶段;
- The stability of the equilibrium in a Lotka-Volterra competition models with stage structure and distributed maturation delays is concerned. 摘要主要考察了具有年龄结构和分布时滞的竞争生态模型平衡解的稳定性,以及连接两个边界平衡解的行波解的存在性。
- Title: Effect of Cutting on Reproductive Growth Stage,the Seed Yield and Seed Quality of Alfalfa(Medicago Sativa L. 关键词:刈割;紫花苜蓿;种子产量;产量构成因素;种子质量
- The RM5 million production featured a giant imperial gate that opened up to a five-storey stage structure with magnificent props. 500万令吉林吉特制作一展可以开高5个台阶,拥有华丽小道具的,巨大的富丽堂皇的帝王大门。
- Information is available for many crops detailing their N requirements by growth stage. 灌溉施肥便是实施这一目的的一条便利途径。
- The vegetative growth stage is akey stage influencing the process of grain filling and final yield. 开花前的营养生长阶段对于籽粒灌浆和最终产量的形成起着重要作用,在此阶段生长中的叶片是最活跃的库器官。
- The change of their protease is similar: in the hyphal growth stage it is higher than that of mature mushroom. 它们的蛋白酶活力变化相似:菌丝生长期高于子实体生长后期。
- The biomass of root and shoot tended to increase with the growth stage advancing, but the tendency of R/ S was reduced. 且随生育期的推进,根、冠生物量均呈增加趋势,根冠比则呈减小趋势。
- Foliar spray of Guofengling at late growth stage could improve the fruit quality of Shatian pomelo.4. 后期喷施果丰灵有提高沙田柚果实品质的效应。
- The water consumption of all growth stage of barley/broad bean intercropping was higher than barley monocropping. 大麦/蚕豆间作全生育期耗水量比大麦单作高,但差异未达到显著水平;
- The results indicated that in late growth stage NRA of leaves was an important index of grain protein content. 表明生育后期(开花期后)叶片NRA是反映籽粒蛋白质含量高低的一项重要指标。
- By aid of the monotone iteration technique and the upper and lower solutions method, the existence of travelling wave fronts is established for a single species population model with stage structure and distributed maturation delay. 利用单调迭代和上下解方法证明了一类具有分布成熟时间和阶段结构的单物种种群模型的波前解的存在性.
- The flower bud differentiation was faster in seedling stage than that in vine growth stage. 不同生长阶段花芽分化速率不同,苗期较快,抽蔓期较慢;
- Manufactured with the packing material whose durability was more reinforced than an existing gun valve and adopted the three stage structure that makes easier to assemble and disassemble. 制造真空管因为包封物质以优良其耐久性与现有的注射枪的真空管比较更加增强,并且采用三级结构是的更容易被组装和拆卸。
- Different Saltresistance wag observed in rice at differ- ent growth stages. 试验表明水稻不同生育阶段其抗盐力不同;
- At this time our country most of the winter into the spring crop growth stages. 这时我国大部分地区越冬作物进入春季生长阶段。