查询词典 pollens

The effects of different culture media, preservation condition and time on the germination of pollens collected from 30-40 years old Platanus acerifolia tree were studied.

以30~40年生悬铃木的花粉为试材，研究了不同培养基对其萌发的作用，同时探讨了不同贮藏条件和贮藏时间对花粉生活力的影响。

The study suggested that the optimal method not only enhanced the affinity and the maximum reaction velocity of α-amylase with its substrate, but also improved the accuracy and the sensitivity on the activity of α-amylase from M. separata larvae in assays, whereas it was not the optimal method for determining the activity of α-amylase from T. molitor, C. pipiens pollens and M. domestica larvae.

结果说明，在该优化体系下，粘虫α-淀粉酶与底物的亲和力增强，最大反应速度增大，测定酶活性的准确性和灵敏度显著提高；同时该优化体系也可作为测定德国小蠊α-淀粉酶活性的优化方法，但不适合作为黄粉虫、淡色库蚊和家蝇α-淀粉酶的最优化测定方法。

The results of studying the effects of several plant growth regulating substances on pollen germination and tube growth in pear (Pyrus serotina Rhed.) by cultivating pollens in liquid media showed that GA3,TRIA,IAA and 2,4D stimulated pollen germination and tube growth when pollen was cultivated in their lower concentration media.

采用花粉液体培养法研究了植物生长调节物质对梨花粉萌发和花粉管生长的影响，结果表明：较低浓度的赤霉素、三十烷醇、吲哚乙酸及2，4-D均能促进花粉萌发和花粉管生长，而超过一定浓度时却起抑制作用，最适宜于花粉萌发和花粉管生长的赤霉素浓度为50～300mg/L，三十烷醇为3～100mg/L，吲哚乙酸为5～25mg/L，2，4-D为5～10mg/L。

Effect of pre-freezing and unfreezing treatment on the size and activity of rapes pollens was studied under ultra low-temperature condition.

研究超低温方法保存油菜花粉过程中的预冻和解冻处理方式对油菜花粉的形态、大小及其活力的影响。

The subject function values used nine indexes in tomato of high temperature stress including the rate of fruit setting, the relative output, the index of rolling leaves, the stabilization of membrane, the relative geminating of pollens, the contents of dissociating proline and the content of soluble sugar.

通过对高温下番茄的坐果率、相对产量、卷叶指数、相对生长量、膜稳定性、相对花粉萌发率、热害指数，以及游离脯氨酸和可溶性糖含量等9项指标的测定，采用隶属函数数值法，综合比较鉴定了耐高温能力不同的6个番茄品系。

The corolla of the 235A degenerated and most of its shrivelling stamen had incompletely developed anther and stigma.A few fertile pollens in one or two completly developed stamen were not emerged because anthers were closed by much longer calyx.

研究表明，新发现的辣椒雄性不育花冠退化，大部分雄蕊萎缩、没有花丝、具发育不完整的花药；虽然花内1～2枚发育正常的雄蕊有少量可育花粉，但由于花萼畸长紧闭，不能开花。

The study of the depositional structure of ancient crevasses splays by means of sedimentology and paleomagnetism is important for the floodplain. While the research on ancient trees, peats and pollens caused by paleoflood is useful to paleoflood discrimination.

在洪泛平原区，对古溃口扇采用沉积学、地球物理学方法研究其沉积结构，对确定古洪水事件具有积极意义；通过古洪水所产生的埋藏古树、泥炭及沉积物中花粉的研究也有助于对古洪水事件的识别。

Pollens of Zhouxingshantao peach trees,apricot cultivar Katy and plum cultivar Friar were irradiated by different doses of~(60)Co γ-rays and ultraviolet to study the radiation effect on the pollen germination and distant hybridization settings.

本文研究了不同剂量的60Coγ射线和紫外线辐照对帚型山桃、凯特杏、黑宝石李3种果树花粉后其发芽率及远缘杂交坐果率的影响。

Pollens of Zhouxingshantao peach trees, apricot cultivar Katy and plum cultivar Friar were irradiated by different doses of 60γ-rays and ultraviolet to study the radiation effect on the pollen germination and distant hybridization settings.

本文研究了不同剂量的60Co γ射线和紫外线辐照对帚型山桃、凯特杏、黑宝石李3种果树花粉后其发芽率及远缘杂交坐果率的影响。

All of the sterile pollens possessed malfunctioned exine.

不育花药中的Ca2+在花药发育的各时期均比可育花药要多。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。