种子的

In order to ascertain the allelopathy activity of Trifolium repens on weeds, the allelopathic effect of aqueous extract from the aerial part and root of T. repens under different concentrations on the germination rate, physiological and biochemical mechanism of germinating seeds of Abutilon theophrasti Medic.

为进一步明确白三叶草对杂草的化感作用，研究了不同浓度的白三叶草地上部分水浸液和根部水浸液对苘麻和稗草种子发芽率和种子萌发过程中生理生化机理的影响。

In some angiosperm the seeds are equipped with gossamer wings, like the dandelion and milkweed seeds.

还有一些被子植物的种子携带有薄纱一样的翅膀，比如说蒲公英和马利筋的种子。

Studies on genes related to embryo and endosperm development are leading us to an extensive understanding of the mechanisms of seed development and apomixis at the molecular level, which will benefits the research for yield and quality improvement of plant seeds via genetic engineering.

对胚和胚乳发育相关基因的研究，可使人们在分子水平上解析种子发育和无融合生殖的分子机制，更有效地开展植物种子产量和品质改良的基因工程。

To make them kings. The seeds of Banquo kings.

不然我谋杀的丹肯，倒是种下了另一个诞生国王的种子，诞生班国王的种子！

Seed culture conditions of Bacillus licheniformis TS-01 were firstly investigated. The results showed that the optimal growth temperature was 40C;the suitable seed culture medium was beef extract soya peptone medium; the optimal initial pH was 7.5; the optimal seed culture time was

首先对地衣芽孢杆菌TS-01的种子培养条件进行了研究，得到的结果为：最适生长温度为40℃；较适合的种子培养基为牛肉膏大豆蛋白胨培养基；最适初始pH值为7.5；种龄为13h～14h。

Observe bourgeon of buds in the culture medium contains NaCl, the progeny of transgenic tobacco is outstanding than the control's.

在含NaCl培养基中进行的种子萌发试验显示，转基因烟草子代种子幼苗的耐盐能力明显优于对照；PCR检测结果显示，外源基因仍存在于烟草子代的基因组中。

Positive high voltage prick electrostatic field whit different intensity function to the process of budding of soybean seed,measured Germination potential and Sprout ratio respectively at the second and third day of the bourgeon,measured dry weight of sprouts after drying;and Amylase activity measured by colorimetric method.

采用不同强度的正高压芒刺静电场作用于萌发过程中的大豆种子，在种子萌发的第2天和第3天分别测量其发芽数和芽长，烘干后称量芽干重，计算了其发芽势及发芽率，并用比色法测定了淀粉酶活力。

Abstract; We analyzed patterns of species composition and dominance in the soil seed bank along the

白山南坡土壤种子库物种组成与优势成分的垂直格局。主要研究结果有：(1)从种子数量上看，在不同的海拔段

They are drawn to a wide range of seed types like many North American birds but the mourning dove has a real fondness for corn, millet, safflower, and sunflower seeds.

与很多北美的鸟类一样，哀鸽以各种种子为食，但是它们最喜欢的还是玉米、小米、红花和向日葵种子。

The effect of free-fall on quality of the seed was studied by dropping six seed lots from four different heights on to cement and galvanized iron floors.

种子自由下落质量检测的效果是这样去衡量的，六个种子一组，从四个不同高度降落到水泥地和电镀铁地板上。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。