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Analogous complexes 3a" and 4a"= CpRu(PPh32, Ar = para-C6H4OMe containing methoxy group at the para-position of gem-diphenyl group were similarly obtained from protonation of the corresponding acetylide complexes via formation of vinylidene intermediate. But only complex 3a'= CpRu(PPh32, Ar2 = fluorenyl is stable in solution, and decomposed to unidentified complex when heated to reflux in THF. Deprotonation of complex 4a in the presence of base gives neutral acetylide complex 6a.

在两个相邻位置的苯基对位位置上接有一甲氧基的衍生物3a"和4a"也可利用类似的质子化反应合成，唯有错合物3a'= CpRu(PPh32， Ar2 = fluorenyl 可以稳定於溶液中，不会进行上述反应，如将其溶於四氢呋喃溶液加热至沸腾则会分解产生无法鉴定的化合物。

From now on, Armenia was a stable possession of the Achaemenid empire.

从现在起，亚美尼亚是一个稳定的占有的阿契美尼德帝国。

Its results showed that ratio of length to width of petal and sepal and the degree of flat of achene within population were characterized as the most stable characters and gradually increased with the increase of latitude.

结果表明，居群内，瘦果扁平度、花瓣长宽比、萼片长宽比变异最为稳定，居群间，这3个繁殖器官的相对性状呈现随着纬度的增加逐渐增大的趋势，并且随纬度的增加，核型不对称系数呈现不断增加而染色体总长不断减小的趋势。

With good fire-resistance and stable chemical properties, phosphate ester is selected as the work medium. But its acid number is ...

磷酸酯以其优良的抗燃性能和良好的化学稳定性成为EH系统的工作介质，但其酸度易发生变化而引起抗燃油的老化。。。

The stable gel was obtained by controlling the amount of citric acid and the pH value.

结果表明，通过控制柠檬酸的用量、溶液的pH值，可以获得稳定的凝胶。

Silver ink chemistry performance relatively stable, but not acidproof of silver, easy reactions with acid, which causes the imprinting of metal luster, Business card printing and membership card should be used in the process of making neutral auxiliary materials for inking should pay special attention to this point.

银墨化学性能比较稳定，但银墨不耐酸，容易跟酸性物质发生化学反应，从而使印迹的金属光泽性下降，因此，制卡和会员卡制作过程中应采用中性辅助料进行调墨，这一点应当特别注意。

Thioredoxins, a ubiquitous heat-stable, acidulous small proteins with a redox activedisulfide bridge in its conserved motif -CPPC-, distribute universally in eukaryote andprokaryote and have a molecular mass of approximately 12Kda.

硫氧还蛋白是一类广泛存于原核生物和真核生物的热稳定、酸性小分子量蛋白质(其分子量约为12Kda)。

Today's Jiayu Sri Lanka, has a contingent of high-quality marketing and sound professional customer service system, by virtue of quality and brand advantages, and establish a marketing network all over the country, with well-known textile enterprises across the country form a stable cooperative relations As the many well-known domestic textile enterprises outstanding fabric suppliers.

今天的嘉宇斯，已拥有高素质的营销队伍和健全专业的客户服务体系，凭借质量和品牌的优势，建立起遍布全国的营销网络，与全国各地知名家纺企业结成了稳定的合作关系，成为众多国内知名家纺企业优秀的面料供应商。

Acrylonitrile is not completely stable under reaction conditions.

丙烯腈在反应条件下是不完全稳定的。

Models of element synthesis during the supernova explosions predict that the abundance ratios of actinides with respect to other stable elements heavier than iron are very sensitive to the environment of the explosion, such as the entropy and the ratios of protons, neutrons and electrons.

模型元素的合成，在超新星爆炸预言的丰度比锕对于其他稳定更重的元素，比铁很敏感，对环境造成的爆炸，如熵和比例的质子，中子和电子。

Don't listen to their haver, nothing of that sort.

别听他们胡说八道，根本就没那回事。

But bank's shares trade below their book value, suggesting that investors are skeptical.

但是，银行股票以低于账面价值的价格交易，这一点反应了投资者的怀疑。