pollen tube nucleus是什么意思

网络释义

用法例句

Fourier Transform Infrared Spectroscopic Study of Pollen;

几种花粉的傅里叶变换红外光谱研究

Study on peony pollen-yam yoghourt;

牡丹花粉山药酸奶的研究

Determination of metal cations in pollen by capillary electrophoresis with indirect UV detection;

毛细管电泳间接紫外检测花粉中的金属阳离子

Some characters of male inflorescences and pollen grains in main cultivars of chinquapin;

锥栗主要品种雄花序及花粉的若干性状

The result showed that pollen grains dispersed within 35 meters and no gene flowed beyond 3 meters.

在供体开花期间 ,距供体 5个不同距离上收集花粉 ,约 80 %的花粉分布在距供体中心 15m以内 ,距离 35m处只检测到约 6 %的花粉 。

Pollen grains collected from 30 grassland species covering the meadon plants, typical grassland plants and dessrt steppe plants were examined by scanning electron microscope.

利用扫描电子显微镜对我区草甸草原、典型草原及荒漠草原中30种主要植物的花粉粒进行了观察。

Amino acids in four kinds of pollens were analyzed by HPLC.

利用高效液相色谱仪分析了4种花粉中氨基酸的组成,确定了贮存过程中氨基酸的组成变化不明显。

We compared the different projects of breaking the outer cell wall and the inner cell wall of the mature pollens and the young pollens of the cole.

)为试验材料,探讨了水合法、冷冻酶解法、直接酶解法、水合-酶解二步法和三步法等多种破壁方法,比较得出油菜成熟花粉,水合法破外壁最为理想,而其中以1mol/L蔗糖为水合液最好,其破外壁率可达92。

The pollens possess very thin cell wall,and have not any aperture,but have 2~3 holes with the viscin threads.

通过扫描电镜和透射电镜首次对沉水植物长梗苦草 ( Vallisneria longipedunculata)的花粉粒进行了观察 ,其花粉粒的细胞壁非常薄 ,无萌发孔 ,但有 2～ 3个具有胶质丝的凹穴。

Study on preparation of Chinese pine pollen peptide by alkaline protease hydrolysis;

碱性蛋白酶水解法制备油松花粉肽的研究

The optimization of extraction of total flavonoids from Chinese pine pollen were studied by Response surface design (RSD) Results showed that the optimal reflex temperature, ethanol content, ratio of the liquid to solid and reflex extraction time were 80℃, 56%, 17.

以总黄酮得率为响应值,采用响应面实验设计方法(RSD)对油松花粉中总黄酮提取工艺进行研究。

Chinese pine pollen protein was hydrolyzed with papain to produce Chinese pine pollen peptide,was transformed into the form of peptides.

利用木瓜蛋白酶对破壁后的油松花粉进行水解,将蛋白质转化成肽的形式,以水解度为指标,确定制取油松花粉肽的最适宜水解条件为:温度45℃,pH6。

Production of corn pollen bread through two-step fermentation;

二次发酵生产玉米花粉面包的研究

Study on antimicrobial effects of corn pollen polysaccharide;

玉米花粉多糖的抗菌作用研究

Creation of corn pollen electric collector;

玉米花粉电动采集器的研制

HPLC was used to determine the content of brassinolide in Areca catechu pollen.

采用高效液相色谱(HPLC)法测定槟榔花粉中芸苔素内酯的含量。