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Performance comparisons between zinc dust primers and zinc flake primers were studied.

实验结果表明，在阴极保护期，有机涂层系统的电位比无机富锌涂层系统的高。

Seven major bacterial isolates were obtained and purified. Their 16S rRNA genes were amplified by PCR for sequencing and their identities were determined with homology comparisons. Five of the seven isolates belong to Actinomycetales including Kocuria KD139, Rhodococcus KD140, Rhodococcus KD142, Arthrobacter KD230, and Arthrobacter KD232; one is classified as Bacillus d KD178; and another one as Stenotrophomonas KD237. The phylogenetic tree was also constructed based on the analysis of 16S rRNA gene sequences.

通过对分离菌株的16S rRNA基因序列进行分析，发现其中5株细菌分别属于放线菌目的考克氏菌属(KD139)、红球菌属(KD140和KD142)和节杆菌属(KD230和KD232)， 1株细菌属于杆菌目的芽胞杆菌d属(KD178)，另外1株细菌属于黄色单孢菌目的寡食单胞菌属(KD237)；同时我们构建了系统进化树，确定分离菌株的相对进化地位。

I launched upon an "Histoire abrégée de la poésie anglaise" for a prominent publishing firm, and then started to compile that manual of French literature for English-speaking students (with comparisons drawn from English writers) which was to occupy me throughout the forties — and the last volume of which was almost ready for press by the time of my arrest.

约翰·济慈：英国著名诗人；本杰明·贝利：济慈在牛津大学的朋友；普鲁斯特：马塞尔·普鲁斯特，文学家，以作品《追忆逝水年华》著称，书中暗含有对同性恋的描述，因此&普鲁斯特式&即为&同性恋的&的委婉说法，译者注）我开始为一家有名的出版社写《英国诗词简史》，还有给说英语的学生编纂的法语文学指导书。

Chapter three pays attention to three anharmonic properties, bulk modulus , Grüneisen parameter and thermal expansion coefficient along with their higher order quantity, which is widely interesting to people. Starting from the analysis of quantities of experimental data, we propose some new computing model and formulas on the volume and pressure dependence of, and , i.e.,, and. Comparisons with experimental data make clear that these new computing formulas are all in agreement with experiment and improve the former works in different degree, so they have good validity and reliability.

在分析大量实验数据的基础上，提出了关于这三个非谐性质对体积压强依赖性的新计算模型和公式，即、、，和实验数据相比表明，新的计算公式得到的结果和实验吻合很好，均在不同程度上改进了前人的工作，具有较好的实用价值。

This site has a broad U-shape valley and is appropriate for constructing concrete faced rock-filled dam and embankment dam with an asphaltic concrete core. Further studies and comparisons indicated that both types of dam were technically feasible, and concrete faced rock-filled dam had distinct advantage in cost.

进一步的研究和论证结果表明，修建混凝土面板堆石坝及沥青混凝土心墙堆石坝在技术上均可行，混凝土面板堆石坝比沥青混凝土心墙坝方案在投资方面有优势。

objective to investigate the phylogenic diversity of bartonella in yunnan province,p.r.china, by using phylogenetic analyses based on glta gene sequence comparisons.

目的 基于glta基因序列的系统发育分析对云南巴尔通体的多样性进行分析。

China, by using phylogenetic analyses based on gltA gene sequence comparisons. Methods The 32 variants of Bartonella isolated in Yunnan Province and published in GenBank from 1999 to today were taken as the target strains.

用云南省1999年至今分离到的并已在GenBank中公布的32个巴尔通体变异体为目标株，利用网上核酸序列比对程序BLAST进行核酸序列同源性搜索，调出相似性最高且有效发表种典型菌株为对比株，进行比对和系统发育分析。

Objective To investigate the phylogenic diversity of Bartonella in Yunnan Province,P.R.China, by using phylogenetic analyses based on gltA gene sequence comparisons. Methods The 32 variants of Bartonella isolated in Yunnan Province and published in GenBank from 1999 to today were taken as the target strains.

目的 基于gltA基因序列的系统发育分析对云南巴尔通体的样性进行分析方法用云南省1999年至今分离到的并已在GenBank中公布的32 巴尔通体变异体目标株，利用网上核酸序列比对程序BLAST进行核酸序列同源性搜索，调出相似性最高且有效发表典型菌株为对比株，进行比对和系统发育分析。

Design Krylov subspace conjugate residual squared algorithm for nonsym-metric linear systems and the improved conjugate residual squared algorithm for distributed parallel computing based on biconjugate residual method algorithm, and give theoretical analysis and comparisons of algorithms for two algorithms.

基于BiCR算法设计了求解非对称线性方程组Krylov子空间平方共轭残差算法和适合分布式并行计算的改进的平方共轭残差算法，并对两种算法进行了理论分析和算法比较，串行和并行数值试验表明所提方法具有较好的收敛速度和并行性能。

We believe that direct head-to-head comparisons of biologic drugs in patients suffering from RA are needed.

我们相信在RA病人中直接头对头比较的生物制剂是需要的。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。