查询词典 index

The population dominance index, Shannon-Wiener index, evenness, niche breadth and community similarity were used to analyze the diversity and eco-niche of soil moniliaceous hyphomycetes in five ecosystem-types.

利用种群优势度、Shannon-Wiener多样性指数、均匀度、生态位宽度、群落相似性等指标对该地区不同生境的土壤淡色丝孢菌物种的生态多样性及物种生态位进行了分析。

The study tests the relative electric conductivity, germination rate, germination index and vigor index of Allium galanthum seeds germinated for 1 d, 2 d, 3 d, 5 d and 7 d at 5℃ imbibitional experiment and treated with different PEG concentrations of 0%, 10%, 15%, 20%, 25% and 30% respectively.

基于种子萌发试验，分别测定了在5℃条件下及在PEG浓度分别为0%、10%、15%、20%、25%和30%条件下，实葶葱种子低温吸胀1、2、3、5和7 d后的相对电导率、发芽率、发芽指数和活力指数。

Community structure of soil nematode changed little with altitude, and soil organic matters were mainly decomposed by fungi. Among the three vegetations including sparse shrubland, semiwet indeciduous broad-leaved trees and wet indeciduous broad-leaved trees, there are significant differences in Shannon's diversity index, Simpson's dominance and diversity index among different communities.

成熟指数值表明，高黎贡山土壤线虫群落结构较稳定；线虫通路比值计算表明，土壤有机质主要依靠真菌分解途径；Shannon-Wiener多样性指数、Simpson优势度和多群落间比较多样性指数在低海拔的灌丛林与半湿润常绿阔叶林和中山湿性阔叶林有显著差异。

This paper probes into the problems that whether or not the measure of composite price index is the composite variation degree of the price, whether or not the averages' price index is the average number of individual indexes statistically, and whether or not the indicial testing theory possesses the theoretical significance.

文摘：就综合价格指数测度是否是价格综合变动程度，平均数价格指数是否是统计意义上的个体指数的平均数及指数检验理论是否具有理论上的意义方面的问题进行了探讨研究。

Objective We measured resistance index and pulsatility index of interlobar artery to detect the relationship of changes of allograft function with changes of interlobar artery RI and PI in renal transplantation recipients.

目的 运用彩色多普勒超声测量移植肾叶间动脉的阻力指数和搏动指数，观察两者的变化情况与肾功能变化的关系。

Abstract］ Objective We measured resistance index and pulsatile index of main renal artery and interlobar artery to detect whether they can predict 1 year allograft function in noncomplicated renal transplantation recipients.

目的 运用彩色多普勒超声早期测量肾动脉和叶间动脉的阻力指数和搏动指数，观察两者能否预测无明显并发症同种异体肾移植患者术后1年的肾功能。

There were no clear differences in gonad index between the hybrids and S. intermedius, and the differences of gonad index between female and male were not evident.

杂交海胆的生殖腺指数与中间球海胆的变化基本一致，并且雌雄个体差别不明显。

As the temperature increased, the consistency coefficient of rice starch paste decreased and flow behavior index were inclined to invariableness. As concentration decreased, consistency coefficient of rice starch paste decreased and flow behavior index increased slightly.

天然淀粉在二甲亚砜稀溶液中的特征粘度比相同品种大米直链淀粉的特征粘度大，天然淀粉的特征粘度与直链淀粉及支链淀粉的平均分子量、摩尔比之间呈较好的指数模型。

Chromatographic fingerprint index F and chromatographic fingerprint relative index Fr were used as the objective functions for the evaluation,and the extract of Saussurea involucrate by water was used as the sample.

以色谱指纹图谱指数F和色谱指纹图谱相对指数Fr作为评价毛细管电泳分析系统的目标函数，以雪莲药材水提取液为样品，考察一定浓度的硼砂、硼酸、磷酸氢二钠和磷酸二氢钠溶液按三角形优化法和四面体优化法构成背景电解质时对样品的分离情况，通过添加有机改性剂和调节pH进行再优化。

Under the current (1996) conditions of planned irrigative and municipal water supply of Shihmen Reservoir, inflow discharge at the damsite, estimated flows at downstream control points and other associated data, the annual shortage ratio and shortage index through reservoir operation simulation are called the basic shortage ratio and shortage index. These two numbers are the criteria to evaluate the reliability of water supply from the Reservoir.

摘要探讨石门水库在现况(民国85年)灌溉及公共给水计画配水情况下，以石门坝址之流量纪录及其下游控制点之推估流量，配合水库相关资料，经由所建立之水库运转程式，模拟其年平均缺水率及缺水指数，此称之为基准缺水率及缺水指数，以作为水库供水可靠度之比较标准。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了