查询词典 fertilization

Denude oocytes matured in vitro have a clearly deficiency on fertilization invitro.

3去除卵丘细胞的小鼠卵母细胞在受精时存在着明显的障碍。

During denuded mice oocyte mature process in vitro, the cortical granulesmay have abnormal numbers or generation problems. This may be another reason thatmakes denude oocytes matured in vitro have a clearly deficiency on fertilization invitro.

3去除卵丘细胞的小鼠卵母细胞在体外成熟过程中，皮质颗粒可能存在继发性生成障碍或者数量异常，该结果可能是去除卵丘细胞的小鼠卵母细胞存在体外受精障碍的原因之一。

The research in adsorption and desorption of nitrogen and phosphate is crucial to application of fertilization and environmental pollution prevention.

研究土壤对氮、磷的吸附/解吸附特性对合理施肥、防止环境污染等有重要的作用。

In this paper, phosphorus sorption and desorption in Albic soil were studied under long- term fertilization.

对白浆土在长期施肥条件下磷的吸附与解吸进行了研究。

In this paper,the research history and status were summarized.The processes of soil nitrogen input,interior transformation and output,including litter return,fertilization,atmosphere desposition,ammonification nitrogen fixation,ammonification,nitrification,denitrification,plant uptake,NH 3 volatilization and NO 3- leaching,were introduced.Finally,the tendency of study on soil nitrogen...

本文综述了森林土壤氮素转化与循环的研究历程和现状；介绍了凋落物的归还、施肥、大气沉降、自生固氮、氨化、硝化、反硝化、植物吸收、NH3 的挥发、NO3 -淋溶等土壤氮素输入、转化和输出的途径和过程；最后从研究目标、研究方法、研究对象和研究内容 4个方面归纳了森林土壤氮素转化与循环的发展趋势。

At approximately 24 hours post-fertilization, fez expression is mostly confined to the telencephalon and the anterior-ventral region of the diencephalon.

受精后24小时的斑马鱼胚胎中，Fez的表达范围主要分布在胚胎的端脑和间脑的腹侧前端。

Sargassum for dioecism, sexual maturity, from the use of reproductive care on the formation of reproductive Waterloo oocyst discharge hole, adhesion in the reproductive care around fertilization.

羊栖菜为雌雄异株，性成熟时，由生殖托上形成的生殖窝孔中排出卵囊，粘附于生殖托周围进行受精。

Soil microbial biomass and activities of invertase and urease all tended to decrease after pot-culture experiment, while the correlations between these biochemical properties and field ages were similar to those before this experiment, suggesting that rice cultivation without fertilization consumed part of soil microbial biomass, decreased soil enzyme activities correlated with C and N transformation, and affected soil nutrients status disadvantageously.

温室盆栽试验之后，水稻土的微生物生物量及酶活性与利用年限之间的关系规律和种植水稻之前基本一致，且整体上又趋于下降，即无施肥条件下种植水稻转化利用了土壤部分微生物生物量，并减弱了与碳氮转化相关酶的活性，对保持水稻土的营养水平造成不利影响。

One-time fertilization at present rate did not have effects on nitrogen nutrient in water nor duckweed productivity.

以目前剂量施肥一次对水中氮类营养及浮萍生产力并无效应。

The hermaphroditic organ consists of hermaphroditic gland, hermaphroditic duct,fertilization chamber,hermaphroditic conduit,atrium genitale,an...

本文仅对其生殖季节的生殖系统进行解剖研究。结果与北方种类的生殖系统有所不同；并在前人的基础上有所进展。

He tendered his resignation to the Prime Minister.

他向首相递了辞呈。不适合

International economy and trade,Nanking 210044

国际经济与贸易，南京 210044