丙二酸

  • 网络malonate;malonic acid;HOOCCH2COOH
丙二酸丙二酸
  1. TCP,TCS和丙二酸也能使污泥产率降低30%以上。

    The control rates of TCP , TCS and malonic acid were also more than 30 % .

  2. 研究在实验室规模的SBR工艺中,投加TCP和丙二酸的最佳浓度及其对污泥表观增长系数和基质去除率的动态影响。

    The optimal concentrations of TCP and malonic acid and their effects on sludge observed growth yield and COD removal rate were investigated in batch activated sludge process .

  3. 母亲维生素B(12)缺乏导致婴儿继发性甲基丙二酸尿症的诊断与治疗分析

    Diagnosis and treatment of secondary methylmalonic aciduria due to maternal vitamin B_ ( 12 ) deficiency

  4. 儿童甲基丙二酸血症颅脑常规MRI影像分析

    MRI Diagnosis of Methylmalonic Acidemia in Children

  5. 丙二酸亚异丙酯的单(Ⅰ)双(Ⅱ)Michael缩合产物的结构分析

    Structural Analysis of Isopropylidene Malonates Mono (ⅰ) Di (ⅱ) Michael Condensation Products

  6. 丙二酸亚异丙酯的双Michael加成

    Double Michael Addition of Isopropylidene Malonate

  7. Ce(SO4)2·2H2O催化合成丙二酸二丁酯

    The Catalytic Synthesis of Dibutyl Malonate by Ce ( SO_4 ) _2 · 2H_2O

  8. 目前确诊甲基丙二酸血症有效方法是气相色谱/质谱法(GasChromatography/massSpectrometry,GC/MS)尿有机酸分析。

    Definitive diagnosis of methylmalonic acidemia relies on analysis of organic acids in urine by gas-liquid chromatography / mass spectrometry ( GC / MS ) .

  9. 通过醛与丙二酸反应获得取代丙烯酸后,经PCl3酰氯化,胺化,得到一系列取代丙烯酰胺类化合物,其化学结构经1HNMR和MS确认。

    A series of substituted acrylamides A were synthesized from acrylic acid and their structures were confirmed by 1H NMR and MS.

  10. 合成丙二酸亚异丙酯Mannich碱的新方法

    A New Synthetic Method for Preparing Mannich Bases of Meldrum 's Acid

  11. 探讨新生儿甲基丙二酸血症(MMA)的临床特征和治疗方法。

    Objective This study aimed to explore the clinical characteristics and treatment of neonatal methylmalonic academia ( MMA ) .

  12. 丙二酸亚异丙酯的单取代Mannich反应

    Single substitution Mannich reaction of iso-propylidene malonate

  13. 以脂肪醛与丙二酸为原料,通过Knoevenagel反应制备了(E)-3-烷烯羧酸,反应以二甲苯为溶剂,在回流条件下进行。

    ( E ) - 3-Alkenoic acids (ⅰ) were synthesized by Knoevenagel reactions of aliphatic aldehydes with malonic acid in xylene under reflux .

  14. 甲基丙二酸衍生物的Knoevenagel反应

    The Knoevenagel reaction of methylmalonic acid and its derivatives

  15. 在DBU的作用下,α-溴丙二酸酯衍生物可以和C60发生反应。

    α - Bromo malonate esters can react with C60 by catalysis of DBU .

  16. 根据此结构关系可以推定此加成反应是由丙二酸二乙酯形成的自由基[·CH(CO2C2H5)2]对烯烃的亲电子性自由基加成反应。

    It indicates that this addition reaction is an electrophilic free-radical addition of the malonic ester radical , CH ( COOC_2H_5 ) _2 , to the alkene molecules .

  17. 本文研究了烟草品种、不同形态的氮肥以及生长调节剂(IAA,丙二酸)对烟草烟碱和钾含量的影响。

    The experiments were conducted to study the effects of tobacco cultivars , different fertilizer types and the growth regulators on tobacco nicotine and the potassium content .

  18. 接着观察了梓醇对血清饥饿、丙二酸钠损伤的PC12细胞增殖的影响。

    Then we observed the effects of catalpol on proliferation in serum-starved and sodium malonate-intoxicated PC 12 cells .

  19. 氟阴离子在有机合成中的应用Ⅰ.无水氟化钾催化丙二酸二乙酯与苯甲醛的Knoevenagel缩合反应

    Application of Fluoride Anion in Organic Syntheses ⅰ . Knoevenagel Reaction of Diethyl Malonate with Benzaldehyde Catalyzed by Anhydrous Potassium Fluoride

  20. 实验部分主要包括三部分:(1)来源于天然产物酒石酸和乳酸的CIL的合成,以及其作为手性溶剂在查耳酮和丙二酸二乙酯的不对称Michael加成中的应用。

    While in the experiment section , we described three parts : ( 1 ) synthesis of new chiral ionic liquids from natural acids and their applications in enantioselective Michael addition .

  21. 研究了两亲配体2-十二烷基丙二酸二(8-氨基喹啉)酰胺(H2A)的UV-Vis光谱和荧光光谱。

    The UV-visible and fluorescent spectra of amphiphilic ligand , N , N - bis ( 8-quinolinyl ) dodecyl propanediamide ( H_2A ), were investigated .

  22. 基于二元羧酸的多种配位模式,本文以草酸(ox)、丙二酸(mal)为基本配体,采用常规溶液合成方法,设计合成了10个未见报道的混合配体/金属配位聚合物。

    In this paper , 10 new coordination polymers have been designed and synthesized with oxalate ( ox ) and malonate ( mal ) dicarboxylic acid by means of conventional solution reaction .

  23. 以丙二酸二乙酯和盐酸胍为起始原料,经环合、亚硝化、还原、氯化、水解得到2-氨基4,6-二氯-5-甲酰氨基嘧啶,总收率20%,其结构经1HNMR和IR表征。

    N - ( 2-amino-4,6-dichloro-5-pyrimidinyl ) formamide was synthesized from diethyl malonate and guanidine hydrochloride via cyclization , nitrosation , reduction , chloridization , hydrolysis with an overall yield of 20 % . The structure was characterized by 1H NMR and IR .

  24. 改进实验:用2-吡啶醛与乙基丙二酸二甲酯得到双三齿的配体L5,配体L5与镍盐反应得到了多核配合物&达到预期目标。

    Improved experiment : using 2-pyridine aldehydes with methyl ethyl malonate by double-tridentate ligand L5 , L5 ligand reaction with the nickel salt of the polynuclear complexes-to achieve the desired goals .

  25. 纯化的MatB蛋白具有丙二酸单酰辅酶A合成酶的活性,测定的Km值是710μmoL,Vmax是0.209μmoL/min/mg。

    The purified MatB has the activities of malonyl-CoA synthetase , showing that its Km value is 710 μ moL and Vmax is 0.209 μ moL / min / mg .

  26. 目的:利用微孔膜器官型脊髓组织片培养的方法,加入适当剂量的线粒体功能抑制剂丙二酸钠,造成选择性运动神经元数目减少从而建立肌萎缩侧索硬化症(ALS)的体外器官模型。

    Objective : To establish an in vitro model of amyotrophic lateral sclerosis ( ALS ) from the organotypic culture of SD rats ' lumber spinal cord induced by the mitochondrial inhibitor , malonate sodium .

  27. 丙二酸二乙酯(DiethylMalonate,DEM),俗称胡萝卜酸乙酯,是一种重要的精细化工有机原料,被广泛应用于聚酯、医药、染料及香料等工业。

    Diethyl malonate ( DEM ), as is often called Carrot acid ethyl ester , is an important fine chemical material , which is widely used in polyester , pharmaceutical , dyestuff and perfume industries .

  28. 当催化剂用量以F-计为0.03mol,反应原料丙二酸二乙酯与丙稀腈之比为3:1,反应时间为2h,加成反应的转化率最高。

    When the amount of catalyst is 0.03 mol ( based on F - ) and the molar ratio of acrylon to malonic ester is 1:3 , the yield of Michael addition reaction was over 88 % after 3 hours .

  29. 目的通过对3例以昏迷为主诉而入院的甲基丙二酸血症(MMA)患儿的临床治疗及生化学监测的分析,提高儿科医生对昏迷、酸中毒与遗传代谢性疾病的关系的认识。

    Objective To improve the pediatrician 's knowledge of the relationship between the symptom of coma , ketoacidosis and inborn error of metabolism through the summary of three cases of methylmalonic acidemia ( MMA ) with initial symptom of coma .

  30. 在乙酸、乙二酸、丙二酸、HF、H3PO4等缓冲溶液中,Fe(Ⅲ)-5-Br-PADAP络合物的光化学还原反应表明:乙酸能促进Fe(Ⅲ)-5-Br-PADAP络合物的光化学还原反应;

    The photochemical reduction of Fe (ⅲ) - 5-Br-PADAP complex was studied in acetic acid , oxalic acid , malonic acid , hydrofluoric acid and phosphoric acid buffer solutions . The results show that acetic acid could promote the photoreduction of Fe (ⅲ) - 5-Br-PADAP ;