The results indicate that succinic and syringic acid have bacteriostasis to bacillus subtilis.
结果表明，丁二酸和丁香酸对枯草芽孢杆菌有抑菌作用。
This enzyme catalyzes the oxidation of succinic acid.
这种酶催化琥珀酸的氧化。
Succinic acid is an important chemical material with a big market.
琥珀酸是一种重要的化工原料，具有广阔的市场。
Acid phosphatase and succinic dehydrogenase activity was decreased.
酸性磷酸酶和琥珀酸脱氢酶活性减弱。
OBJECTIVE a capillary electrophoresis with conductivity detection method to determine succinic acid in Pheretima aspergillum was described.
目的建立毛细管电泳电导法测定广地龙中琥珀酸含量的方法。
However, the enzyme activity of both succinic dehydrogenase and acid phosphatase was not obviously changed.
然而，琥珀酸脱氢酶和酸性磷酸酶无明显变化。
The experience adopted three methods to modify Monensin sodium salt and produced Monensin acid and Monensin succinic anhydride derivative. The experience is the basis of immunoassays.
本实验采用三种方法将莫能菌素钠盐改造成含羧基的莫能菌素酸及莫能菌素-琥珀酸酐衍生物，为建立免疫检测方法提供基础。
Succinic acid dehydration is one of industrial methods to produce succinic anhydride.
丁二酸脱水法是工业生产丁二酸酐的方法之一。
The invention provides actinobacillus and a method for producing succinic acid.
本发明提供了用于生产琥珀酸的放线杆菌和方法。
Preparation of Octenyl succinic anhydride (OSA) modified starches from raw material potato starch and acid hydrolyzed potato starch in aqueous slurry system were first studied.
本课题以马铃薯淀粉和酸水解马铃薯淀粉为原料，对辛烯基琥珀酸淀粉酯的湿法制备工艺进行了研究。
Using solvent to extract succinic acid in and tartaric acid in chemical nikel plating liquid.
化学镀镍液的中琥珀酸、酒石酸用溶剂萃取法去除。
Dodecanol abietate succinic anhydride was synthesized from abietic acid. The structures of products were characterized by spectrum of IR, HNMR and MS.
以枞酸为起点，合成了十二醇酯琥珀酸酐，采用红外光谱、核磁共振波谱及质谱对中间产物及终产物进行了结构表证。
The result of activity screening indicate that succinic and syringic acid have bacteriostasis to bacillus subtilis.
结论：所有化合物均为首次从该属植物中分离得到，琥珀酸和丁香酸对枯草芽孢杆菌有抑制作用。
Several succinic acid polyester polyols were synthesized and used to prepare polyurethane elastomers having excellent solvent resistance.
合成了一种新系列丁二酸多元醇聚酯，并用它合成出耐酮类溶剂的聚氨酯弹性体。
Succinic acid dehydration is one of industrial methods to produce succinic anhydride.
适用于本法的酸酐有苯二甲酸，马来酸及琥珀酸的酸酐。
The effects of propanedioic acid, succinic acid, hexanedioic acid, sebacic acid and oxalic acid on floatation performance of feldspar and quartz in dodecyl amine system were investigated.
在十二胺捕收剂体系中，研究了丙二酸、丁二酸、己二酸、癸二酸和草酸对长石和石英浮选行为的影响。
Most of the specimens containing acetic acid, propionic acid, butyric acid, isobutyric acid, valeric acid, lactic acid and succinic acid which were accorded with the result of bacteriologic study.
在大多数标本中含有乙酸、丙酸、丁酸、异丁酸、戍酸、乳酸和琥珀酸，与细菌培养的结果基本相符。
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。
Citric acid, DL-malic acid, succinic acid and acetic acid were the main organic acids existed in the apple vinegar.
主要存在的有机酸为柠檬酸、DL -苹果酸、琥珀酸和乙酸。
Prednisolone, used as a model drug, was covalently coupled with various molecular weight LMWCs via a succinic acid spacer.
以泼尼松龙为模型药物，通过丁二酸间隔基与这种壳聚糖共价结合。
The active strong-to-weak sequence of organic dibasic acid on feldspar is oxalic acid, propanedioic acid, succinic acid, hexanedioic acid and sebacic acid.
有机二元酸对长石的活化强弱顺序依次为草酸、丙二酸、丁二酸、己二酸和癸二酸。
Great amount of acetic acid, citric acid and succinic acid were excreated. The ratio of intracellular and extracellular citric acid concentration was even lower than 0.1 in early stage.
乙酸、柠檬酸与琥珀酸一直都大量出现在胞外，如柠檬酸胞内胞外浓度比值初期低于0．1。
Succinic acid, sulfo-, laureth ester, disodium salt;
十二烷基聚氧乙烯醚磺基琥珀酸酯二钠；
The optimum operating conditions for reaction and separation processes were established. Both yield and product purity of succinic anhydride and peroxysuccinic acid were more than 90%.
确定出了各步反应及其产物分离的工艺条件，丁二酸酐、过氧化丁二酸的收率和产品纯度均达90 %以上。
Taking succinic acid, alcohol as material, cation exchange resin as catalyst the diethyl succinate is synthesized.
论述了以丁二酸、无水乙醇为原料，离子交换树脂，催化合成丁二酸二乙酯的新工艺。
Synthesis of dimethyl succinate from succinic acid and methanol on cation exchange resin NKC-9 was studied under adsorption dehydration with 3A zeolite adsorbent.
以阳离子交换树脂NKC-9固体酸为催化剂、丁二酸和甲醇为原料，采用分子筛吸附脱水技术合成丁二酸二甲酯。
丁二酸二钠； 丁二酸钠；
Results showed that corn steep liquor (CSL) can instead of yeast extract as a nitrogen source of succinic acid fermentation.
结果表明玉米浆可以替代酵母膏作为丁二酸发酵的廉价氮源。
Results showed that corn steep liquor (CSL) can instead of yeast extract as a nitrogen source of succinic acid fermentation.
结果表明玉米浆可以替代酵母膏作为丁二酸发酵的廉价氮源。
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