查询词典 VAR

Objective: To study the chemical constituents of Incarvillea mairei var .

目的：研究紫葳科角蒿属植物大花鸡肉参的化学成分。

Bidens pilosa var. radiata, one of the rapid expanding invasive weeds, has become prevailing throughout Taiwan. A study on the result enhanced by the breakdown of geographic isolation with the native varieties in genetic variation, population structure and introgressive hybrization is really in need. In this study the genetic variation and population structure among the varieties of Bidens pilosa complex were studied using ISSR markers.

在台湾Bidens pilosa种群在外部形态及分布上均非常类似，加上大花咸丰草又属极具侵略性的新归化种，在与其他自生变种又无明显隔离下，是否增加种间之交流与渐渗杂交之机会及对族群结构的影响，实有深入探讨之必要。

Inula japonica、Solanum septemlobum、Clematis heracleifolia、Potentilla chinensis's florescence appear in August (the 2008 Olympic time) and Dendranthema lavandulifolium var.seticuspe's florescence appear around 1st October.

3对10种植物进行了盆栽干旱胁迫处理并测定了相关生理生化指标，通过植物在干旱胁迫中的实际表现情况，并结合离体叶片失水速率、叶片解剖结构等进行了综合分析。

Rhinopithecus bieti mainly fed on 43 plant-parts, mainly plant buds and leaves during the plant vegetative period, and during the reproductive period, they lived on 31 parts, dominated by flowers and fruits. In the dormant period, they ate 19 items, and the seed capsule of Juniperus recurva var. coxii (A. B. Jackson) Melville and the buds or needles of Pinaceae were the primary food.

植物营养生长期时，滇金丝猴取食43个植物部位，主要是芽和叶；生殖生长期，取食31个植物部位，主要是花和果实；而在植物的休眠期，取食19个植物部位，主要是小果垂枝柏的种皮和松科植物的芽与叶。

Tiejiangjun F_1\' were sensitive to salt stress whereas the other species of rootstocks were tolerant to salt stress,and salt resistant rootstocks could be clustered to three subgroups,Lagenaria siceraria Standl.var.clavata Makino cv.

耐盐性强的砧木品种可分为3个亚类，'孝感瓠瓜\'、'同心瓠瓜\'、'汉龙碧玉\'瓠瓜和'超丰8848\'瓠瓜耐盐性很强，'黑籽南瓜\'耐盐性强，其它13个品种耐盐性较强。

Inflorescences pubescent; petiole and abaxial leaf surface lanate; plants white lanate through-out

花序短柔毛；叶柄和叶背面具绵状毛；白色具绵状毛全面的植株在外 5b var。

Ltd. The primary product is collected from the Ledum palustre L, Var dilatum Wahl growing in the Da Xing An forest. Its leaves contain essential oil.

其嫩叶及叶体中富含有高挥发性的香料基料成份）类植物中，用物理蒸馏手段生产出的初级产品。

Empirical results indicate that for asset returns that exhibit leptokurtic and fat-tailed, the VaR forecasts generated by the GARCH-N models deliver unsatisfactory accuracy even though it is more efficient than the others at lower confidence levels.

实证结果显示，GARCH-N模型即在较低的信心水准下，绝大多的情况下都是最有效的，但其在准确性的表现上人失望。

However, recent empirical evidences show returns of most financial assets are characterized as being leptokurtic and fat-tailed. So the general Monte Carlo

全文共分5个部分，对各部分的内容安排如下：第一部分，绪论，主要讨论研究的背景及意义，并对VaR的发展进行文献

Five new bacterial diseases of Ligularia fischeri, Vigna angularis , Brassica juncea var.japonica, Aconitum coreanum and Silybum marianum in Jilin province were firstly reported in the world; and their sympotoms of the diseases were described in detail. According to the configuration of the pathogens observed by electrical microscope, Gram staination, pathogenicity, cultural characters, physiological and biochemical characters, as well as G+C mol%, the pathogens were identified respectively .

首次报道了马蹄叶腐烂病、红小豆溃疡病、黄花乌头顶枯病、江户菜软腐病和水飞蓟软腐病在吉林省的发生，详细描述了该五种病害症状及危害情况；通过对分离的病原菌的电镜形态观察、革兰氏染色、致病性、培养性状、生理生化性状、G+C mol％等方面的测定，依据《Bergey's Manual of determinative Bacteriology》9th ed相关部分，初步确定了其病原菌的分类地位并对病原菌进行了室内药剂筛选。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。