二酸的

It is very important to optimize the fermentation technology of Actinobacillus succinogenes for the industrial bioconversion of succinic acid from crop straw.

该文对产丁二酸放线杆菌的发酵工艺优化，为工业规模的农作物秸秆生物转化制备丁二酸提供重要指导。

Experimental study on enhanced deaquation process for extra-heavy crude oil using dehydrant ;2. DMF refining by molecular sieve as dehydrant ;3. Hybrid catalysts composed of JC207 methanol synthesized catalyst and dehydrant (HZSM-5 zeolite or γ-Al2O3) were prepared for the synthesis of dimethyl ether.

采用甲醇合成催化剂JC207和固体酸脱水剂(HZSM-5分子筛或γ-Al2O3)混合制得合成二甲醚双功能催化剂，并在固定床反应装置中进行了活性评价，考察了固体酸脱水剂的酸性对一步法合成二甲醚的影响。

Changes of IR group vibrational frequency in the blends of diethyl silicone and se-bacate were studied in this paper. It has been found that there exists an interaction betweendiethyl silicone and sebacate.

研究了乙基硅油与癸二酸酯调和油的IR基团振动频率的变化，发现乙基硅油与癸二酸酯间存在着相互作用。

The invention relates to a method for preparing dimeric acid methyl ester and dimer acid thereof.

本发明是一种制备二聚酸甲酯及其二聚酸的制备方法，以不饱和脂肪酸甲酯含量较高的混合脂肪酸甲酯或混合脂肪酸为原料，浓硫酸为助催化剂，无水氯化铝或无水氯化锌为催化剂，采用两步催化法进行二聚化反应。

Abstract— When the solution of sodium sebacate from sebacic acid manufacture is decolorised with activated carbon adsorption,the productivity was low and the cost was high.

由蓖麻油为原料生产癸二酸过程中，传统的脱色工艺是用粉末活性炭吸附，活性炭在脱除溶液中有机色素和混酯的同时，也吸附了部分癸二酸单钠盐，使产品得率较低，生产成本高。

About 30 tons wastewater will be discharged for each ton production of sebacic acid in the present industrial process.

在目前的工业生产工艺中，每生产1吨癸二酸，需排放约30吨废水，废水中含有的主要成分为硫酸钠、苯酚、癸二酸以及其它一些脂肪酸等。

The air-dried unsaturated polyester putty was synthesized by linseed oil which is a cheap and regenerable material instead of expensive adipic acid and sebacic acid.

用廉价的可再生资源-亚麻油代替价格昂贵的己二酸、癸二酸合成原子灰用不饱和聚酯。

With regard to the current society, much hubbub in the European Union ban on the use of four kinds of children's toys, plasticizers, Jiangnan University, and Dr. LG Chemical in two epoxy esters, briefed the meeting on high molecular weight plasticizers, citrate butyl ester, such as trimellitic several environment-friendly non-toxic plasticizer that can be replaced ethylhexyl phthalate, ethylhexyl adipate, whether it is synthetic process, the source of raw materials are not a problem, but there are differences in price, but into the large-scale production, the price will be decreased substantially.

关于目前社会上闹得沸沸扬扬的欧盟禁止在儿童玩具中使用四种增塑剂，江南大学和LG化学的两位博士在会上介绍了环氧酯类高相对分子质量增塑剂、柠檬酸三丁酯、偏苯三酸酯等几种无毒环保型增塑剂，认为完全可以取代邻苯二甲酸乙基己酯、己二酸乙基己酯，无论是合成工艺、原料来源都不成问题，只是在价格上还有些差异，但进人大规模生产后，价格会有较大幅度下降。

Previous studies demonstrated that the gluconeogenesis is involved in the pathogenesis of Xanthomonas campestris pv.

糖异生途径的底物大多属于四碳二羧酸，四碳二羧酸的吸收、转运、利用系统可能与病原细菌致病相关。

As one of the most important osmoregulation actor, firstly,Proline plays a keyrole in the osmotic potential adjustment in plant cells. Secondly, Proline can preventNaCl from damaging the structure of biomacromolecule in cells. Thirdly, the highdissolubility and non-rejection capability of Proline can enlarge the solution volumnof the cell, so the concentration of salt will be diminished in cytoplasm and the saltstress will be relieved. Forthly, the accumulation of Proline could prevent thedehydrolysis from sap cavity in cytoplasm. Fifthly, the synthesis of plant chlorophyllwill be diminished under the salt stress, but the Proline can provide request ofchlorophyll synthesis.

脯氨酸作为渗透调节剂对植物体细胞渗透势的变化起重要作用：一，在盐胁迫下，脯氨酸在植物体内是一种重要的渗透调节剂，它是一些高等植物和绿藻抗盐和抗旱的主要渗透剂之一；二，脯氨酸可以保护细胞中的生物大分子的结构，使之不被NaCl破坏，并能维持其完整的水合范围；三，脯氨酸的高度溶解性以及其对植物各种酶活性不抑制性，可以扩大细胞的溶解容积，从而降低细胞质液中盐的浓度，减轻盐的胁迫作用；四，细胞质中积累的大量脯氨酸可以防止液泡对细胞质的脱水作用；五，在盐胁迫下，植物叶绿素的合成受到抑制，叶绿素的合成需要脯氨酸。

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。