丁二酸的

Bis-acetylthiosuccinic acid-S_2~(35) was obtained by the addition of compound Ⅳ to acetylenedicarboxylic acid.

本工作简化2，3-二巯基丁二酸的合成步骤，以半微量法制各其硫~(35)标记的化合物。

Potassium ferricyanide and dithiothreitol were used to control redox potential from －100 mV to －450 mV in 3 L fermenter.

在3 L发酵罐上利用铁氰化钾和二硫苏糖醇调节发酵体系氧化还原电位值在－100～－450 mV，结果表明－350 mV为菌体生长和产丁二酸的最佳电位，丁二酸生产速率由0.75 g/提高到1.18 g/，产物丁二酸与副产物乙酸的质量浓度比由2.5提高到3.9。

Metabolic pathway analysis for this strain showed that pentose and hexose could be transferred to succinic acid and other byproducts including acetic acid and α-ketoglutaric acid.

对菌株的代谢途径分析表明细胞具有五、六碳糖代谢酶系，以及在大量合成丁二酸的同时也产生少量乙酸、α-酮戊二酸等副产物。

Analysis of the treated aqueous solution was conducted with GC-MS,and the main intermediates during phenol degradation were isobutyric acid,malonic acid,benzoquinone,butenoic acid,oxalic acid,maleic acid,succinic acid,hydroquinone,catechol and resorcin.

利用GC-MS分析了苯酚降解主要中间产物为异丁酸、丙二酸、对苯醌、丁烯酸、乙二酸、顺丁烯二酸、丁二酸、邻苯二酚、对苯二酚及间苯二酚等，并据此推测了苯酚电催化氧化的可能反应途径。

The yield of succinic acid increases by 25 g/L and the strain Actinobacillus succinogenes HF-7 has good application of industrial fermentation.

代谢工艺的优化将丁二酸的产量提高了约25 g/L，使得菌株具有进一步的工业应用潜力。

Actinobacillus succinogenes is a promising candidate for the production of bio-based succinic acid.

琥珀酸放线杆菌是发酵生产有应用前景的生物基原料-丁二酸的微生物。

Alkenyl succinic acidas an anti-rust additive is generally used in steam turbine oil .

分别测定了含烯基丁二酸的汽轮机油/蒸馏水及汽轮机油/合成海水体系的界面张力、界面剪切粘度、油相粘度及乳状液稳定性。

This paper reviews the research and development of electrochemical synthesis of succinic acid at home and abroad.

综述了国内外电解合成丁二酸的方法，详细介绍了电解反应过程中阴极材料、阳极材料、电解槽结构和隔膜材料的发展趋势。

By decreasing V to -270 mV at the end of period of logarithmic cell growth, succinic acid yield was increased from 70% to 85%.

在发酵过程中，通过降低V至-270 mV，使丁二酸的产率从70%提高到85%。

Plackett-Burman design was used to evaluate the effects of eleven factors for succinic acid production by Escherichia coli NZN111.

采用Plackett-Burman设计法(Plackett-Burman， PB)对影响Escherichia coli NZN111厌氧发酵生产丁二酸的11个因子进行了筛选。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。