查询词典 derivative

Study on the quantum chemical calculations is performed by means of MNDO method on VAX8350 computer for rubescensine A and its acetylate derivative.

本文用MNDO方法在VAX8350计算机上对冬凌草甲素及其乙酰衍生物进行了量子化学计算研究。

Shane Acker Interview - September 29, 2005 - If there were ever a stereotype that needed debunking, it's of the student film as an over-earnest, naive, derivative, hastily completed mess--or, in the worst-case scenario, all four.

雄acker访谈-05年9月29日-如果有需要不断闲散至极，它的学生电影作为过度认真，幼稚，衍生，匆匆完成一塌糊涂--或者，在最坏的情况下，各四人。

It took about nine months to build the Hong index series while it took roughly 14months to bring aHong Kong property derivative transaction to market.

开发香港住宅价格系列指数耗时约9个月，而香港房地产衍生品交易入市则耗费了约14个月的时间。

The invention relates to the synthesis of N-aryl group-3-(4-Beta-D-pyran allose glycoside phenyl)-5-formyl isoxazole-4-formamide and discloses a helicid derivative which can improve the functions of a central nervous system and the preparation method thereof; wherein, the compound has good sedative, hypnotic and anti-convulsant effects and is taken in the 2000 edition Chinese Pharmacopoeia with the drug name of helicid tablets.

N-芳基-3-(4-β-D-吡喃阿洛糖苷苯基)-5-甲酰基异唑-4-甲酰胺的合成，发明公开了具有改善中枢神经系统功能的豆腐果苷类衍生物，及其制备方法。该类化合物具有良好的镇静、安眠、抗惊厥作用。目前已以药品名&神衰果素片&被收入2000年版《中国药典》。

And it is obvious that macro-behaviors features of complex systems may be analogically as attributes or functions of dimensions, and derivative dimensions.

复杂系统的各种宏观行为特征显然可以同样类推到维度的各种属性或功能与特征衍生维。

Research progress in the conductive high polymer of AXda010004 gathers the aniline in the metal antiseptically The conductive high polymer of survey gathers the aniline and research progress in the antiseptic respect of metal of derivative , have summarized the antiseptic mechanism put forward at present, and look into the distance to its application prospect .

综述了导电高分子聚苯胺及其衍生物在金属防腐方面的研究进展，总结了目前所提出的防腐机理，并对其应用前景作了展望。

As an important instrument of financial derivative, Stock Index Futures, which have the functions of finding price and hedging etc,were applausive by most securities market investors rapidly and is titled'the best exciting innovativeness in finance in 1980's .

股指期货作为一项重要的金融衍生产品，具有价格发现和套期保值的功能，自1982年2月首次在美国推出，很快得到市场的广泛认可，被誉为20世纪80年代&最激动人心的金融创新&。

The following results are made from this research: Assessing data quality and band combination of different bands in line with geo-target features in desertification areas, and determining basic bands for desertification monitoring. And understanding and studying the spectral features and variation rules of geo-targets in the experimental area, raising that it is the basis of geo-targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo-targets, realizing that in a great extent spectral-integrated-form-based classification method can remove the phenomenon of "different spectrum with same objects" resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo-target with similar spectral forms and much different values of whole reflectionratio. It is suggested that "red edge" range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel-based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. The remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed.

研究结果如下：首先针对荒漠化地区的地物特征，对高光谱数据不同波段的数据质量、波段组合进行了评价，提出了适用于荒漠化监测的基本波段选择集；初步了解和掌握了研究地区的地物光谱特性及变异规律，进一步明确了掌握地物光谱特征和变异规律是用成像光谱仪数据提取地物信息的基础；发现了基于光谱整体形状的分类方法在很大程度上能够消除由于传感器、地物目标观测方向之间的角度变化引起的反射率曲线整体平移的&同物异谱&现象，对于谱形相似而整体反射率的值相差较大的两类地物，通过引入均值和方差图像参与分类得到解决；研究还表明在植被&红边&范围内的波段是进行荒漠化监测的主要特征波段，这些波段与植被生物量和盖度都有密切的关系，是开展精细植被分类研究和植被定量反演的重要基础；像元的导数光谱分析可以消除土壤背景的影响，是进行植被生物量和盖度定量反演的有力工具；建立了荒漠化监测主要评价因子的定量反演模型，并分析了模型的适用性。

On the convergence of Newton's method in Banach space〓 Let F be an operator mapping from a real or complex Banach space X to another one Y, the Newton iteration 〓(2) is used to find the approximative solution of the equation (1), where the derivative is meant in the Frechet sense.

一、Banach空间中Newton法的收敛性〓设F是由实的或复的Banach空间X到同型空间Y的算子，求解方程(1)的Newton迭代为〓，0，1…，(2)其中的导数指的是在Frechet意义下的。

A new ashless and non-phosphorus containing triazine derivative, 2,4,6-tri (n-dodecyldithio)-1,3,5-s-triazine, was prepared.

合成了一种新型无灰、无磷三嗪衍生物十二烷基二硫代三嗪。

Vishnu entered a dark fourth dimensional dream that did not support his field or continued life.

毗瑟挐进入了一个第四密度的黑暗梦想，那里并不支持他的能量场或继续生命。

Leaders and decision-making persons use it to collect the data, including the information of unit work, handing in fee, oweing fee, prepaying fee,changing and afterpaying and account transfering of joining-insurance employee, and account paying of all kinds of insurances from hospitalization insurance institutions.The collected data is picked up, organized, switched and showed to user.

该子系统主要面向各级领导、决策分析人员；从各个医疗保险经办机构和定点医疗机构采集数据，包括在各个医疗保险经办机构处理的单位办公信息，单位缴费、欠费、预缴费信息，参保职工变更信息，参保职工增减变动信息，参保职工补缴信息，参保职工帐户划拨信息：包括各定点医疗机构处理的各险种帐户支出信息，各险种的统筹金支付信息等；将采集的数据提取，组织和转换，然后展示给用户。