菊科

The enlarged area bearing numerous tiny flowers, as in the flower head of composite plants, such as the daisy.

花盘长有很多小花的扩大的地方，如在菊科植物的花头中，例如雏菊

Any of several United States plants having long stalks of funnel-shaped white or yellow flowers.

分布于美国西部的菊科的一个草本属，特点是叶全缘或羽状分裂，花黄色或白色，头状花序，总花梗长。

Canadian goldenrod is a perennial rhizomatic plant native to North America; it was introduced into China as ornamental plant in 1935, and has become one of the detrimental weeds in Shanghai.

加拿大一枝黄花是菊科多年生草本植物，同时具有无性繁殖和有性繁殖的习性，原产于北美洲。1935年作为观赏花卉引入中国之后逸生为杂草，现已成为上海最为常见的恶性杂草之一，对本地的生物多样性造成了严重的威胁。

OBJECTIVE: Three sesquiterpene lactones 1-O-acetylbritannilactone, isoalantolactone and britannilactone were isolated from the roots of Inula helenium and the flowers of Inula japonica. The antitumor activities of the three sesquiterpenoids in the cell lines of HeLa, HEC-1, SHIN3, HOC-21 and HAC-2 were measured, and the relationship between structure and activity and the possible mechanisms were explored.

目的： 观察菊科植物中分离出的3种倍半萜化合物异土木香内酯、1-氧-乙酰大花旋覆花内酯和大花旋覆花内酯对体外培养的人子宫颈癌HeLa细胞、人子宫内膜癌HEC-1细胞、人卵巢透明细胞癌SHIN3及HOC-21细胞和人卵巢囊腺癌HAC-2细胞增殖的影响，研究这3种倍半萜化合物的体外抑制肿瘤细胞增殖作用及其结构与活性之间的构效关系，进而探讨3种倍半萜化合物的体外抑制肿瘤细胞增殖的可能机制。

Horticola , in which Compositae, Cruciferae, Laguminosae and Cucurbitaceae are the main families. It occurs seriously on lettuce, cauliflower, pea, rape and horsebean. The hosts can be divided into four types: the most fitting host, fitting host, preferable host and secondary host. The oviposition of C. horticola on 8 kinds of hosts selected was checked under microscope, which had proved the investigation of host suitability and lettuce is the favorite host.

2004年对扬州地区露地蔬菜上的豌豆彩潜蝇寄主种类及危害程度进行了调查，采用五点取样法共查到豌豆彩潜蝇的蔬菜寄主6科23种，主要分布在菊科、十字花科、豆科和葫芦科等的蔬菜上，其中以莴苣、花椰菜、豌豆、油菜、蚕豆受害最为严重；选择性田间调查和室内试验证明，莴苣是豌豆彩潜蝇最嗜好寄主。

Inulinase can hydrolyze inulin into fructoses and fructooligosaccharides which have great applied value and broad prospects in food industry.

许多菊科植物中含有丰富的菊粉，利用菊粉酶的作用可将菊粉转化为果糖、低聚果糖，在食品工业中具有重要应用价值和良好应用前景。

Common perennial of eastern North America having showy purplish flowers; a parent of the Michaelmas daisy.

北美东部多年生紫花菊科植物；雏菊属的父系植物。

By stepwise regression analysis, it shows that there are several vegetation factors, which are grasses height diversity, grasses species number, gompositae dominance degree, gramineae dominance degree and other grasses dominance degree affect the species and numbers of orthopteran.

通过多元逐步回归发现，影响直翅目昆虫种类和数量变化的植被因素有草本植物高度多样性、草本植物种数、菊科优势度、禾本科优势度、其它科优势度。

Any of several plants of the composite family, especially a widely naturalized Eurasian plant having flower heads with a yellow center and white rays. Also called oxeye daisy , white daisy

牛眼菊：一种菊科类植物，尤指广泛移植的欧洲大陆植物，开有黄芯的白色放射状花头也作 oxeye daisy ， white daisy

A Mediterranean thistlelike plantin the composite family, having pinnately divided leaves and large discoid heads of bluish flowers.

洋蓟一种菊科地中海的蓟类植物，有羽状全裂叶和蓝色花朵的盘状花头

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐