幼龄期

结果分析表明：‘幻想’矮牵牛的幼龄期约在6片真叶期结束，其限界性诱导光周期为3周。

It is concluded that the end of the juvenile phase of petunia is about 6-leaf stage , and the LIP of petunia is 3 weeks .

脑匀浆中MDA及脂褐质含量在幼龄期时无差异，至中龄时，实验组含量显著低于对照组（P＜0.01）。

The content of lipofuscin and MDA in the brain homogenate had no change at the early-aged of the two groups , but they were much lower in the TAU group than those of the control group at the middle-aged ( P < 0.01 ) .

结果表明，纤维长度在幼龄期增长迅速，在树龄为5～7a之间达到最大值，以后趋于稳定；

The fiber length comes up to the maximum when the age of tree is about 5 ~ 7 years and then becomes stable .

低温条件下幼龄期混凝土等效系数的研究

Research into Equivalent Coefficient of Infant Age Concrete under Low Temperature

这种嫁接植株一般在幼龄期便能盛产种子。

The grafted trees generally bear good crops at young ages .

杜仲优良无性系幼龄期生长的相关性分析

Correlation Analysis on the Growth of Fine Eucommia Clones During Their Young Stage

结果：蚊幼龄期越小，对生物制剂越敏感。

Results : The younger mosquito gnats were more sensitive to the mixed liquor .

不同光照强度对幼龄期两面针光合特性及叶绿素含量的影响

The Effect of Photosynthesis Characteristics and Chlorophyll of the Young Zanthoxylum With Light Stress

它们在幼龄期看上去是小小的蠕虫。它们一生的大部分时间都处于生长的过程中。

When they are young , they look like tiny worms , and most of their lives are spent in just growing .

幼龄期，土壤干燥化程度随植被盖度、林龄的增大趋于严重。

During young-age period , the degree of soil desiccation increased for the shrubs with increasing plant coverages and stand age . 6 .

铜钱树幼龄期为14年左右。利用木材解剖特征变异规律及解剖特征与材性关系可以进行村性预测。

Vessel and parenchyma tissue increase when it was juvenile period of about 14 years old , variation of wood anatomy feature and wood proportion could be calculated .

依据林带的特殊性，结合树木生长发育和林带结构变化规律，将林带生长阶段划分为幼龄期、中龄期（速生期）和防护成熟期3个时期；

Based on the characteristics of shelterbelt and the patterns of tree growth and shelterbelt structure , the growth of poplar shelterbelt can be divided into three stages , i.

谷氨酰胺作为一种条件性必需氨基酸，在动物处于特殊生长阶段如幼龄期或在应激期间都显示出明显的免疫促进作用。

As an important conditionally indispensable amino acid , glutamine presents an important role in promoting immune function when the animal has been in earlier age or during stress .

据27年、9年和6年生试验对比研究结果表明，幼龄期表现优良的种源到成熟期多数仍表现优良，说明了优良种源生产力具有较强的稳定性。

The results form comparison research on its forests aged 27,9 and 6 showed that the majority of provenance which behaved very well retained good behavior . It explained that the productivity of good provenance has a strong stability .

在幼龄到壮龄期随树龄增加VA菌根感染强度增强，而后逐渐减弱；

Infectious intensity of VA mycorrhiza increased gradually from seedling to adolescent stage , then decreased slowly as tree age increased .