优选

Objective To optimize the extraction process of gardenia .

目的优选栀子药材的提取工艺。

OBJECTIVE To optimize the extraction process of gardenoside in Gardenia.

目的 ：优选栀子中栀子苷的提取工艺。

Methods Selection of different materials and their influence on gelation temperature, were evaluated.

方法优选处方，考察各种附加剂对胶凝温度的影响，调节基质浓度以得到适宜的胶凝温度。

The parameter of source and receiver are excellently selected.4. The geometry system with large numbers of receiver channels and wide azimuth is applied.

针对辽河盆地特殊的地震地质条件，优选激发和接收因素。4、采用大道数、宽方位的观测系统。

Objective To explore an optimum extraction technology of rutin and quercetin from Geranium wilfordii maxim.

目的优选出老鹳草中芦丁和槲皮素提取最佳工艺。

Camphor oil was abstracted from the greenheart leaf by the steam-distil method and used as main component of corrosion inhibitor for hydrochloric acid cleaning .

用水蒸气-蒸馏法从樟树叶中提取桉叶油；并将其作为盐酸酸洗缓蚀剂的主要成分，用正交实验法优选了复合缓蚀剂配方；采用线性极化法评价缓蚀剂的缓蚀效率，并对其缓蚀机理进行了初步探讨。

Based on the reason analysis of failure primary fracturing, the fracturing fluid and proppant of refracturing were optimized, the half-length of fracture and construction parameters were also optimized for the optimum design of refracturing wells.

同时对初次压裂失效的原因进行分析后，对气井重复压裂的压裂液、支撑剂进行优选，对重复压裂气井的裂缝半长和施工参数进行优化，从而完善对气井重复压裂的优化设计。

Polywas directly halogenated to select halogenation agents such as Cl and Br and catalyst system.

通过将聚乙烯醇直接卤化取代，筛选出Cl、Br等卤化剂、催化剂，并优选出合适的体系，使其既保持PVA的高阻氧性，又能保证加工性时的热稳定

In general, this paper includes several parts, shown as the following: The first part summarizes the background and outline of stock index future and introduce briefly its local status and CSI 300 stock index future contract. The second part has a retrospect of the main academic papers of both local or overseas, and also a discussion of relevant hedge strategies and models, to lay a solid theoretical foundation for the empirical analysis and test for the operation process of hedge in latter parts. The third part outlines the principle, key factors and real operation process of hedge. Moreover, it makes a empirical analysis on popular hedge models with HK Hang Seng index. In the end, it test the hedge effect of trading on IF0706, CSI 300 stock index future contract, with CCB select-growth securities fund as present underlying. The fourth and also the last part, explores how to define hedge ratio in china mainland market. It includes the stability test ofβfor local securities portfolio, adjustment of historicalβand best data length for estimation of historicalβ, etc. Also, the thesis makes some beneficial experiments on the definition of best data length for estimation of historicalβ, survey of fashion forβand variation for industryβs. Fortunately, it's got some meaningful results.

按照以上研究思路，本论文论述由以下几个部分构成：第一部分，简要概述股指期货产生的背景和基本情况，对国内股指期货进程和沪深300股指期货合约进行简单介绍；第二部分，回顾海内外股指期货避险研究的主要文献，讨论相关避险策略及避险模型，为后面套期保值策略如何有效运用的实证分析和检验提供理论基础和依据；第三部分，对套期保值的原理、关键因素及实际流程进行概述，并采用香港恒生指数对常用的几种避险模型进行实证分析，最后一揽子以建信优选成长股票型基金为现货标的，实际检验以沪深300股指期货模拟交易IF0706产品进行对冲时的套期保值效果；第四部分，探讨国内确定避险比率的过程，包括国内股票组合β值的稳定性检验、历史β值的修正及估计历史β值的最佳数据长度等，通过数据分析，本文在寻找估计β值的最佳数据长度和考察风格、行业β值的差异上做了较为有益的尝试，并得到了有助于现实操作的结果。

Results:Normal rats as the donator of serum, using methanolic extract of CWC, 10 times equivalent dose for adults every day, intragastric administration twice a day of 8-hour interval, keeping on 3 days, hemospasia after 2 hours of the last administration was the better preparative method of the serum containing drug.

建立CCl4诱导的原代培养大鼠肝细胞损伤模型，大鼠为含药血清供体，以含药血清对损伤肝细胞增殖及丙氨酸氨基转移酶泄漏的影响两个指标，结合含药血清中五味子乙素的含量测定，分别采用单因素考察、多因素的正交试验，优选含药血清的制备方法，并确定体系中血清添加量。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。