查询词典 derivative

The process comprises the subsequent steps a through e: a reacting phthalic anhydride with fluorobenzene or a derivative thereof in appropriate reaction conditions; b over reducing the product obtained in step a at the ketone moiety; c reducing the product obtained in step b with sodium dihydro-bis (2- 15 methoxyethoxy) aluminate to the corresponding alcohol ; d chlorinat ing the alcohol obtained in step c ; e inserting CO into the product obtained in step d through an appropriate Pd-containing catalytic system.

该方法包括以下步骤a～e：a使邻苯二甲酸酐与氟苯或者其衍生物在适当的反应条件中反应；b完全还原步骤a中获得的产品的酮部分；c用二氢-二(2-甲氧基乙氧基)铝酸钠将步骤b中获得的产品还原成相应的醇；d对步骤c中获得的醇进行氯化；e通过适当的含Pd的催化剂体系，将CO插入到步骤d中获得的产品中。

Methods Using LineGene fluorogenic quantitative PCR detection system to detect HBV DNA of 77 patients and second derivative maximum method and fit point method to analyze results.

用LineGene FQD33A型荧光定量PCR检测系统检测本院门诊和病房乙肝病人血清HBV DNA 77份，分别用最大二阶导数法和样点拟合法进行结果分析。

Multiwavelength responsive materials and devices using 4-oxazolyl fulgide (OF7) companied with pyrrolyl fulgide and derivative are prepared.

这类化合物的光致变色产物在室温下是稳定的。

Furoic acid was synthesied by catalytic oxidation in the mimic enzyme microreactor, which was constructed by strong stirring a non homogeneous phase system of organic reagent and water using β cyclodextrin derivative as an imitating enzyme. This method is easy to handle and more effective than the corresponding reaction in homogeneous phase.

在水与有机试剂组成的非均相体系中，用β环糊精(β cyclodextrin ，缩写：β CD)衍生物模拟生物酶，以强力搅拌下分散在有机溶剂中的小水珠作为微型反应器进行糠醛催化氧化为糠酸的反应，停止搅拌后体系立即分层，产物在有机相，残留的原料和模拟酶在水相。

Furoic acid was synthesied by catalytic oxidation in the mimic enzyme microreactor, which was constructed by strong stirring a non homogeneous phase system of organic reagent and water using β cyclodextrin derivative as an imitating enzyme.

在水与有机试剂组成的非均相体系中，用β环糊精(β cyclodextrin ，缩写：β CD)衍生物模拟生物酶，以强力搅拌下分散在有机溶剂中的小水珠作为微型反应器进行糠醛催化氧化为糠酸的反应，停止搅拌后体系立即分层，产物在有机相，残留的原料和模拟酶在水相。

Aim To study whether the derivative of in-dol-3-glyoxylic acid amide induced apoptosis on human galactophore cancer HeLa cells line in vitro and the feasible mechanisms of apoptosis.

目的 研究吲哚3-草酰胺衍生物YB-13在体外试验中诱导宫颈癌细胞株发生凋亡及其作用机制。

We have provided another in our contribution to GATA's gold derivative banking crisis document presented to the US Congress last May.

我们提供给GATA了一份我们自己做的关于金融衍生品危机的文件，并且已已经在上个5月份提交给美国国会。

For high quality voice transformation, a novel parameter extraction scheme for glottal flow derivative is proposed based on Legendre orthogonal decomposition.

提出了一种用于源-目标说话人声门波导数参数转换的、基于勒让德正交分解的声门波导数波形参数提取方法。

In this method,the glottal flow derivative is modelled as the Liljencrants-Fant model and the vocal tract is described as a time-varying ARX model.

此方法利用LF(Liljencrants-Fant)模型对声门波导数进行建模，而声道被描述为一个时变的ARX模型。

The algorithm uses the six-dimensional Legendre orthogonal coefficients to form a vector for describing the shape of glottal flow derivative.

该方法将声门波导数波形在6维正交勒让德坐标系中的投影构成了描述其形状的特征矢量，并采用基于GMM的概率分类加权转换算法，使每个特征矢量的转换规则可由多个类所对应的规则的线性加权组合得到，可以使转换性能得到较大的提高。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。