查询词典 ginkgo

Is the only extant representative of Ginkgoales, and has high economic and scientific values.11 seed traits of 44 Ginkgo cultivar were studied.

是银杏目现存的唯一植物，具极高的经济价值和科研价值。

Constituting the order Ginkgoales; includes the genus Ginkgo and extinct forms.

组成银杏属；包括银杏属和其它灭绝的种类。

The results showed that conifers were the closest relatives of Ginkgo with gnetales being nested within conifers, and cycads were the most primitive in gymnosperms.

多基因综合分析表明，银杏与针叶植物的亲缘关系最为亲近，买麻藤为针叶类内起源，苏铁为裸子植物中最原始的类群。

Nonetheless, the result showed that Pinus, Ginkgo, Cycas form a monophyletic group, which is sistered to angiosperms. Together, they from a clade that is sistered to Gnetales.

邻近连接法和贝叶氏导出氏分析结果将松叶蕨、瓶尔小草，和生根卷柏的matK序列一起形成一个单源群，同属石松类的过山龙与生根卷柏序列并未形成姐妹群。

Methods 90 Sprague-Daw rats were divided into sham-operative group, ICH model group and ginkgo therapy group. Every group divided 6h, 12h, 24h, 72h and 7d. Collagenase type Ⅶ with heparinize was infused into the right caudate nucleus to establish rat experimental ICH model.

采用肝素化VII型胶原酶脑内注入法制作大鼠脑出血模型，应用免疫组化技术测定大鼠脑出血后血肿周围组织中IL-8、ICAM-1的表达含量。

Objective To study the protective action of compound agent madeup with effective ingredients of Hirudo and Rhizoma chuanxiong and Folium Ginkgo in animal ischemic cerebral infarction.

目的 探讨用中药水蛭、银杏、川芎的有效成分组成的复方制剂对动物局灶脑缺血的保护作用。

Meanwhile, the compacted soil in roadside green belt may resulted in the death of such trees as Koelreuteria paniculata,Populus tomentosa, Ginkgo biloba and Pinus tabulaeformis.

同时研究表明，栾树、毛白杨、银杏和油松等行道树的衰弱或死亡还与道路两侧密实的土壤条件有关。

To observe the influence upon the life span of drosophila melanogaster fed with Ginkgo kernel.

观察饲喂银杏仁对果蝇生存寿命的影响。

SCHOLZ R Microchemical studies of the changes during vernal activity in Ginkgo biloba J Elisha Mitchell Sci Soc , 1932,null

张泓%胡正海油松茎初生结构中树脂道发育的研究西北植物研究， 1984，2

Ginkgo and cycads are the only two lineages bearing multiflagellated spermatozoids in all extant seed plants.

银杏和苏铁类植物是现存种子植物中仅有的2个具多鞭毛游动精子的类群。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。