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The yield of product was 56.1% when rare-earth composite solid superacid SO(superscript 2- subscript 4)/ZrO2-CeO2 was used as catalyst at dosage of 3 % of the mass of β-pinene, while mass ratio of borneol to isoborneol in the product reached 46.0:23.2, showing higher borneol selectivity than other catalysts.

当用稀土复合固体超强酸SO(上标 2-下标 4)/ZrO2-CeO2为催化剂，用量3%时，粗龙脑产率为56.1%，但对正龙脑的选择性高于其他催化剂，正、异龙脑比为

The present calculations demonstrate that O(superscript -) associates quickly with C2H4 to form ion-induced dipole complex, which can subsequently isomerize and decompose to various products, corresponding to molecular anions dissociation and associative electron detachment pathways, respectively.

计算结果表明，O与C2H4经碰撞决速复合形成离子诱导偶极络合物中间体，然后经历异构化、解离生成各种产物，分别对应分子离子异构解离与复合电子剥离反应通道。

Methods: Eighteen fallopian isthmic region tissue samples were collected from 3 groups of normal fertile women: women in proliferative phase (n=6), women in secretory phase (n=6), women in secretory phase who were treated with a signal dose of 50 mg mifepristone and underwent surgery 24 h after mifepristone taken (n=6). Real-time PCR technology was used to detect the Wnt-3, Wnt-5a, Wnt-7a, Wnt-8b, DKK-land FrpHE mRNA expression in fallopian tube tissue. 2(superscript -△△CT) method was used to analyze the results.

选取生育年龄的正常妇女输卵管峡部组织，其中增生期、分泌期以及分泌期服用米非司酮50mg并于24h后手术的妇女输卵管组织各6例，应用实时荧光定量PCR技术检测输卵管组织的Wnt-3，Wnt-5a，Wnt-7a，Wnt-8b，DKK-1和FrpHEmRNA表达，用2法分析结果。

Levulinic acid was prepared by solid SO4(superscript 2-)/Al2O3-TiO2 catalyst from cellulose in water.

以纤维素为原料，固体SO4(上标 2-)/Al2O3-TiO2为催化剂，以水为溶剂制备乙酰丙酸。

The total flavone in antioxidant substance extracted from leaves of tartary buckwheat and its scaveninging function to OH and O(superscript - subscript 2) were determined by photometry and the inhibitory action to Lipin peroxidation and its synergy with other substances were studied by iodimetry in the experiment.

从苦荞叶中提取抗氧化性物质，用光度法测定提取物中总黄酮的含量及对羟自由基和超氧阴离子O(上标-下标 2的清除作用，并采用碘量法研究了苦荞叶提取物对脂质过氧化的抑制作用及与其他物质的协同作用。

Mahonia has the ability of clearing O(superscript - subscript 2) and OH, which may increase with the increment of drug concentrations within a certain range.

十大功劳具有清除O(上标-下标 2)和OH的能力，这种能力在一定范围内随药物浓度的升高而增强。

On the basis of dynamic isothermal adsorption, the three models for Langmuir, Langmuir-Freundlich and Expended-Langmuir are used to fit the experimental data of Hg(superscript 2+) adsorbed by the hollow fiber affinity membrane modified with mercapto, and the fitting degree of the three models to the experimental data is investigated by Language C++.

在测定巯基中空纤维亲和膜对Hg(上标 2+)动态等温吸附方程的基础上，利用C++语言编程，按Langmuir、Langmuir-Freundlich和扩展的Langmuir 3个模型对吸附Hg(上标 2+)实验数据进行拟合，分别检验了实验数据的拟合程度。

The width of the η-mesic nuclei are sensitive to the value of Vsubscript N(superscript *.

考虑N和N的核介质修正效应后，η介子的束缚态的宽度依赖于N(1535)自能的实部的选取。

The DFT B3LYP/6-31+G(superscript ** method was used to study the conformations and isomerization of the isolated and monohydrated 2', 3'-dideoxy-2', 3'-didehydroguanosine (D4G) molecules in gas phase.

采用密度泛函方法在B3LYP/6-31+G水平上研究了2'，3'-二脱氧－2'，3'-二去氢鸟嘌呤核苷分子(D4G)的构象。

Compared with the control group, the number of TRAP(superscript +) multinuclear cells, TRAP activity and the percentage of bone surface in lutein middle-dose group and lutein high-dose group significantly decreased (P.05). But the expression of RANK mRNA significantly increased (P.05) by treated in different doses of lutein.

诱导培养的破骨细胞形态特征明显；叶黄素中、高剂量组在细胞数量、TRAP活性上与对照组相比有明显统计学差异(P.05)；叶黄素各剂量组在mRNA表达量上与对照组相比有明显统计学差异(P.05)，且呈量效关系。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。