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The DFT (B3LYP/6-31 + G) method was used to study the relative stabilities and probable proton transfer in isolated and monohydrated 2,4-dithiothymine molecules in gas phase. The effects of water on relative stabilities and the rate of the proton transfer were analysed. The results indicate that only one tautomer for 2,4-dithiothymine can exist in gas phase.

采用密度泛函方法在B3LYP/6-31+G水平上研究了2，4-二硫基胸腺嘧啶孤立分子和水合物的异构体的相对稳定性和可能的质子迁移反应，分析了水分子的参与对 2，4-二硫基胸腺嘧啶异构体的相对稳定性和质子迁移速率的影响。

Repeated at lower purchase deed tax, people will buy the house relative increase in the relative reduction of the tenant.

一再以较低的购买契税，人们就会购买房子的相对增加，相对减少的租客。

In P. dabryanus, the PdSox8 and PdSox9 were successfully localized in the No.4 and No.2 telocentric chromosome respectively, the relative distance to centromere is 40.2% and 67.5%; In M. anguillicaudatus, they were localized in the No.9 and No.6 telocentric chromosome respectively, the relative distance to centromere is 58.3% and 30.8%.

结果表明，在大鳞副泥鳅中PdSox8和PdSox9分别位于端部着丝粒染色体第4和第2 号即t4和t2染色体上，信号位点距着丝粒的相对距离分别为40.2%和67.5%；在泥鳅中，则分别位于t9和t6上，信息位点距着丝粒的相对距离分别为58.3%和30.8%。

In South America, a weedy corn relative, teosinte, dresses the edges of domesticated cornfields. Either plant would readily accept the pollen from a GM relative.

事实上科学家认为，在许多国家，基改作物最后都可能栽种在它们的原始物种附近，它们共享的，可不只是头顶上的阳光，还有祖传的基因呢。

The relative water content in tilth layer could still be kept over 60% in the continuous 11.2~47.1d without precipitation after a precipitation made the relative water content in tilth layer got over 80%.

使耕层相对含水量达到80%以上的一次降水过后，连续11.2~47.1 d无降水，耕层相对含水量尚可维持在60%以上。

As the layer structure of lattice, relative separation properties and relative compactness in L-fuzzy topological spaces are more complex than that in general topological spaces.

由于层次结构的存在，L-fuzzy拓扑空间中的相对分离性和相对紧性较一般拓扑学中的相对分离性与相对紧性复杂得多。

Based on concepts of relative algebraic interior and relative topological interior of sets,some conditions assuring Ari+Bri in a linear space and conditions assuring riA+Bri in a linear topological space are given respectively,according to Tanaka and Kuroiwa' s conclusions.

根据Tanaka和Kuroiwa的结论，在集合相对代数内部和相对拓扑内部概念的基础上，分别讨论了线性空间中Ari+Bri和线性拓扑空间中riA+Bri成立的条件，从而将Tanaka和Kuroiwa关于内部的结论推广到了相对内部的情形

The relation of relative translational energy with reactive cross section, and the effect of relative translational energy on reaction probability are studied, and the microscopic mechanisms of the reaction are also discussed.

由此可以看出，在一定范围内增加相对平动能可以增大反应几率，但过大的能量不利于

Correlation analysis and factor analysis indicated that two principal components were derived with each comprising 3 variables. The first principal component include the width of metatarsal trochlea II, III and IV; and the second principal component includes the relative height and anterior projection of metatarsal trochlea II compared to that of III, and relative anterior projection of metatarsal trochlea IV compared to that of III.

对现生鸟类跗跖骨5组（12个）变量进行分析，研究各变量间的相关程度，对变量进行主成分分析提取出2个主成分，其中第1主成分包括第II，III，IV三个跖骨的宽度变量；第2主成分包括：第II跖骨滑车相对于第III跖骨滑车的上下及前后位置两变量，以及第IV跖骨滑车相对于第III跖骨滑车的前后位置变量。

This thesis uses DEA to compare the WANO's performance indicators among three nuclear power plants in Taiwan. We take the past 7 years'(1997-2003) data of 3 plants, there are 21 DMUs totally. Due to the importance of the nuclear power plant safety performance , we adopt the output estimation by assuming the input as a constant; Five outputs parameters such as unit capability factor, unplaned automatic scrams are chosen to proceed the comparison and get the relative efficiency. We also collect the WANO performance indicators data of the same type nuclear power plants as Taiwan in the United State during 1999-2003 to proceed the same comparison with the domestic three nuclear power plants , in order to understand the relative efficiency between two groups.

本文系利用数据包络分析法，针对台湾地区三座核能电厂之世界核能协会绩效指标的实绩进行实证比较，研究对象是以这三座电厂过去七年（1997--2003）来的实绩比较，每一年度为一个评估单位，共有21个DMUs，由於核能电厂安全绩效之重要性甚高，故本研究纯粹以产出项为考量的绩效评比方式，故将投入项设为常数；产出项则选取机组容量因数、非计划自动急停次数等五项参数，进行评比求出其相对效率；另外也收集了1999—2003年美国同型电厂之WANO绩效指标实绩进行比较，以了解国本国三座核能电厂相较於美国电厂之相对效率为何？

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。