选择六种不同的叶梢间隙研究叶梢间隙对导管桨性能的影响。
The effects of tip clearance on duct propeller's performance were investigated in six different tip clearances.
本文用涡动力学理论分析了锯齿形叶梢对螺旋桨的梢涡的影响。
The effect of the sawtooth shape tip on tip vortex of the propeller is studied with the theory of vortex dynamics in the paper.
通过对短穗和茶枝梢头扦插的试验研究，得出茶枝梢头扦插优于短穗扦插，梢头扦插又以三叶梢效果最好的结论。
Through the experimental research on single node and poly-leaves cutting, we concluded that poly-leaves cutting is better than single node cutting, and three-leaves cutting is best in effect.
结果表明：从新梢顶端到第9个展开叶之间的芽处于生理分化期，花芽生理分化期分为成花诱导期和花芽孕育期。
The results presents that buds from the shoot apex to the 9th unfolding leaves were in the period of physiological differentiation which can be divided into flower induction and flower initiation.
硫酸铵显著促进新梢生长并提高氨基酸含量，施茶树鲜叶显著促进茶树根系生长。
The results showed that dry weight of tea plant was significantly increased by applying tea leaf and ammonium sulphate.
研究了光强对叶生长、叶解剖构造、叶绿素含量、光-光合曲线、新梢生长和生物量等指标。
The effects of light intensity on leaf growth, leaf anatomic structure, chlorophyll content, ligtphotosynthesis curve, growth of newly produced sprouts and biomass were investigated.
对不同季节茶树新梢不同部位鲜叶中儿茶素组分和非酯型儿茶素合成酶的变化规律进行了研究。
The changes of non-galloylated catechins and relative enzymes as well as the composition of catechins in different parts of tea shoots and in different seasons were investigated in this paper.
从取食方式和取食部位来看，以为害茶树嫩梢和叶片的食叶性害虫和吸汁性害虫为主，共达240种，占全部种类的79.47%。
If it is classified with the damaged position on tea plant, the species of pests damaging the shoots and leaves of tea plant are the most, amounting to 240 species, as 79.47% of the total.
各矮化砧苹果树中短梢及其上叶的总生长量占全树新梢及叶总生长量的比例，高于乔砧树；
The growth amount of fruit spur and the leaves on them of apple trees grafted on dwarf stocks were much higher in comparison with those grafted on seedling stock.
综上所述，根域限制抑制了葡萄树体源叶和新梢的生长，却促进库果实的生长。
From all above, root restriction decreased leaf growth, but promoted the berry growth.
使用复合菌剂的处理组对果树的新梢生长长度、百叶鲜重、商品果率，果品着色等均具有明显的提高，菌剂处理组的树势明显优于化学防治组。
The treatments with the compound fermentation broth had significantly higher than the treatment with chemical bactericide in leaves weight, commodity fruit rate, fruit coloration, etc.
使用复合菌剂的处理组对果树的新梢生长长度、百叶鲜重、商品果率，果品着色等均具有明显的提高，菌剂处理组的树势明显优于化学防治组。
The treatments with the compound fermentation broth had significantly higher than the treatment with chemical bactericide in leaves weight, commodity fruit rate, fruit coloration, etc.
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