The extract from St. John's wort (Hypericum perforatum), a bushy, wild-growing plant with yellow flowers, has been used for centuries in many folk and herbal remedies.
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4. 奥尔森矮源近等基因系对回交父本的小穗数没有影响，对旗叶长影响比较小；
The near isogenic lines with Oleson did not affect the spikelet numbers and flag leaf length of backcrossing male parents.
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5. 试验结果表明：对烤烟产量起主要作用的是氮肥用量，密度与留叶数的互作。
The experimental results showed that nitrogen levels and interaction between the density and the number of reserved leaf were significant in yield.
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6. 叶片数量及叶数增长率的变化暗示物质生产的变化和投入目标的变化。
Number of leaves and its increasing rate implied that the change of the matter production and invested target.
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7. 为了便于计算，对兴波部分简化了计算模型，螺旋桨用无限叶数螺旋桨模型来代替。
A simplified model of propeller with infinite number of blades is employed to account for the effect of free wave in this paper.
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8. 就其设计方法进行分析，提出了斗轮及斗叶数的确定方法，并通过样机试验了解该偶合器的特性。
Its design method is analysed here in this paper, and the method of defining the number of buckets and bucket wheels is proposed.
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9. 主茎总叶数的变化是量测小麦春化反应性的一个可靠指标。
Finalleaf number on main stem could be a reliable measure for wheat vernalization response.
Translocation of 14 C activity to rhizome increased with the increasing of leaf pairs, but radiotracer concentration in rhizomes decreased rapidly in plants with more than 10 leaf pairs.
Thee wind has gently murmured through the blinds, or puffed with feathery softness against the Windows, and occasionally sighed like a summer zephyr lifting the leaves along, the livelong night.
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12. 对给定调制参数的余弦-高斯光束，通过适当选取分数傅里叶变化阶数可以获得平顶的光强分布。
A flat-topped beam can be achieved by a suitable choice of the transform order for the Cosine-Gaussian beams with the modulation parameter.
Analyze the influence of main parameters including exp. area ratio, blade number, collective pitch angle, section shape, cyclic pitch angle and rake angle on the performance of VVP.
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14. 细叶百合的着花数和鳞茎的鳞叶数与植株年龄有关，二者数量随年龄的增加而增加。
The flower number and scale amount are related with plant age, and the two amount went tip with which increased.
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15. 盐度对无瓣海桑幼苗长叶数、茎长、植株鲜重、主根长、根系鲜重等方面起抑制作用；
The number of leaves, the length of stem and root, the fresh weight of shoot and root system were inhibited with the increase of salinity.
The wind has gently murmured through the binds, or puffed with feathery softness against the windows, and occasionally sighed like a summer zephyr lifting the leaves along, the livelong night.
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17. 而叶片的长度、宽度、有效叶数及茎围，都与产量呈正相关，只有节间距与产量呈负相关。
The leaf length, leaf width, number of productive leaves and stem thickness were positively correlated with yield whereas the internodal length only was negatively correlated with yield.
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18. 分析了苜蓿茎上附着的叶片数对其干燥速率的影响，并与单叶和单茎的干燥速率进行了对比。
The influence of leaf Numbers attached on an alfalfa stem on the drying rate was analyzed and compared with that of a single leaf and a single stem.
The size of middle and lower leaves was effected slightly while the weight per leaf of different stalk position and upper leaf size greatly by topping stage and the remained leaf number.
In Bayesian reference, marginal likelihood function involve to compute high dimensional complex integrand. So exactly to compute marginal likelihood is often difficult.
The finite analytic method is used in the present study to calculate the turbulent flow field described with Navier-Stokes equations in body-fitted curvilinear coordinate system.
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23. 转子泵的转子叶数可能是两叶或三叶。
Number of lobe of rotor in rotating pump may be two or three.
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24. 运用嵌套网格技术研究了浆叶的厚度和扭转对低雷诺数旋翼流场的影响。
The influence of blade thickness and torsion on the flow field at low Reynolds number for rotor in a hover is studied with the Chimera grid technique.
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25. 经相关分析，查明供试牧草产量构成因素为株高、茎重、叶重、分蘖数、穗重。
The result of the correlation analysis showed that the yield component factors of the pastures on trial were: individual plant height, stem weight, leaf weight, tillering number and ear weight.
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26. 烤烟叶数性状主要受加性效应控制，腰叶长、腰叶宽和叶面积主要受显性效应控制。
Number of leaves was mainly controlled by additive effects, dominance effects were the major genetic component for length of leaves, width of leaves and area of leaves.
In addition, the pressure and velocity in cooling fan flow field are analyzed and the relations between flow rate, rotation speed, blade number and aerodynamic noise of cooling fan are studied.
Thee wind has gently murmured through the binds, or puffed with feathery softness against the windows, and occasionally sighed like a summer zephyr lifting the leaves along, the livelong night.
Ground objects can be effectively recognized by gray co-occurrence vector and gray co - dimension feature vector with BP neural network and Bayesian network, recognition rate of 70%.
Ground objects can be effectively recognized by gray co-occurrence vector and gray co - dimension feature vector with BP neural network and Bayesian network, recognition rate of 70%.
