anhydride

anhydride

1. The increasing oil price worldwide in 2004 gives great opportunity for China maleic anhydride industry produced by coking benzene.

2004年下半年以来国际油价迅速攀升,使我国以焦化苯为原料生产顺酐的产业获得空前机会。

2. EBE monitored control system is an assistant to operator of 2000 TPY phthalic anhydride plant.

EBE监视系统是 2 0 0 0t/a苯酐装置操作人员的有力助手

3. The combined NA and MTHPA anhydride system is good enough for improving thermal stability of stiffness of epoxy FRP.

na与MTHPA混合酸酐体系可以有效地提高环氧玻璃钢的耐热性和材料的刚度。

4. 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.

5. This paper introduced that maleic anhydride can be grafted with rosin, polyethylene wax, sty-rene, petroleum resin.

主要介绍了马来酸酐与松香、石油树脂、苯乙烯、聚乙烯蜡等的接枝反应。

6. Nitrocellulose.Methacrylate polymer.Acrylate copolymer.Vinyl polymer.Adipic acid/neopentyl glycol/trimellitic anhydride copolymer.

主要形成指甲油涂抹后薄膜的成分.

7. DME is a preferred substitute for chlorofluorocarbons and can derive a number of products with high value such as dimethyl carbonate,acetic acid,acetic anhydride and formaldehyde.

二甲醚是氯氟烃的替代品,用它可以开发一系列高附加值产品,例如碳酸二甲酯、醋酸、醋酐、甲醛等;

8. Phosphorus Pentoxide, also called Phosphoric Acid Anhydride, is a white, spiculate crystal.

五氧化二磷又名磷酸酐，白色针状晶体。

9. The photosensitivity, alkaline solubility and viscosity of products increased as the ratio of maleic anhydride increased .

产物的光敏性、碱溶性和粘度随着酸酐配比的增加而增大。

10. A titrimetric method has been developed for rapid determination of the concentration of chromic anhydride and sulfuric acid in ABS roughing solution.

介绍了一种快速测定ABS粗化液中铬酐与硫酸浓度的方法。

11. The flow sheet and operation in phthalic anhydride plant system after the adding partial condensator were introduced.

介绍了苯酐装置系统中增加部分冷凝器的流程,操作讨论了加部分凝冷器前后的经济效益。

12. The research, development situation and technology keys of the catalyst for preparing phthalic anhydride by oxidation of o -xylene were introduced.

介绍了邻二甲苯氧化法制苯酐用催化剂的研究情况、发展概况和开发过程中的技术关键。

13. ABS/PBT blends compatibilized with styrene-maleic anhydride(SMA) was prepared in a corotating twin-screw extruder with different blending procedure.

以苯乙烯-马来酸酐共聚物(SMA)为增容剂,研究了共混工艺对ABS/PBT共混物聚集态结构和力学性能的影响。

14. Maleic anhydride was esterificated with methanol,then isomerized with aluminum trichloride to obtain monomethy fumarate(MMF).

以马来酸酐和甲醇为原料,经酯化及异构化得到富马酸单甲酯,再经酰氯化得到富马酸单甲酯单酰氯。

15. If be uric flesh anhydride for 0, criterion the meaning is very different, explain kidney function is damaged badly.

假如是尿肌酐为0，则意义大不相同，说明肾功能严重受损。

16. A new production technology of high-quality trimellitic anhydride with the liquid-phase air-oxidation from 1,2,4-trimethylbenzene was developed.

偏苯三酸酐的生产方法主要有偏三甲苯气相空气氧化法、偏三甲苯液相硝酸氧化法、偏三甲苯液相空气氧化法和间二甲苯甲醛液相空气氧化法。

17. An anhydride formed by the removal of a water molecule from the hydroxyl and carboxyl radicals of hydroxy acids.

内酯一种通过从酸的羧基中除去一个水分子而形成的脱水物

18. By virtue of the anhydride property of the isoimide rings, the PIIs were reacted with the alcohols to form poly(amic acid) esters(PAEs).

利用异酰亚胺环具有酸酐性质的特点，使之与醇类反应，得到溶解性能优良的聚酰胺酯(PAEs)。

19. Pour depressant OEAM, is a copolymer of maleic anhydride and mixed hexadecyi propionate and oc-tadecyl propionate.

原油降凝剂(OEAM)是丙烯酸正十六醇和正十八醇混合酯与马来酸酐的共聚物。

20. Subject to control the chemicals acetic anhydride, ephedrine etc. .

受管制化学品乙酸酐、麻黄碱等.

21. But, the powdery osmium, gradually will be oxidized under the normal temperature, and production perosmic anhydride.

可是，粉末状的锇，在常温下就会逐渐被氧化，并且生成四氧化锇。

22. Polybutenyl succinic anhydride, triethylene tetramine reaction product;2,5-furandione, dihydro-, polybutenyl derivs.

名称 聚亚烷基衍生的二氢-2,5-呋喃二酮与单亚烷基胺生成的反应产物;

23. Add the crystalline dihydrate(5g)to acetic anhydride(10??in a beaker.

向盛有10?蟠姿狒?的烧杯内加入5g二水合物结晶。

24. Well, we'll ship the bichromate in steel drums and the chromic anhydride in oil cans.

嗯，我们会把重铬酸盐用钢桶装，而无水铬酸则用油罐装。

25. Perosmic anhydride when 48 degrees Celsius will melt, to 130 degrees Celsius when will seethe with excitement.

四氧化锇在48摄氏度时会熔化，到 130摄氏度时就会沸腾。

26. Reaction temperature should be increased as high as possible under the condition of assuring the color of polyisobutylene succinic anhydride.

在保证聚异丁烯丁二酸酐色泽的情况下，应该尽可能地提高反应温度；

27. Maleic anhydride(MAH) and styrene(St) melt-grafting onto polypropylene(PP) was conducted in haake torque rheometer and twin screw extruder.

在哈克流变仪和双螺杆挤出机对苯乙烯(St)/马来酸酐(MAH)/聚丙烯(PP)熔融接枝进行了研究。

28. Using acid or pyridine as a catalyst,nitrogen aci3,4-diamino-3-cyclobutenedione)can be acylated by carboxylic acid,acetic anhydride and acyl chloride.

在酸或吡啶催化下，氮方酸（3，4－二氨基－3－环丁烯二酮）可被酰化试剂羧酸、醋酐和酰氯酰化；

29. Compared with the amine curing agent, the casting epoxy resin cured by the acid anhydride has higher flashover voltage.

实验结果表明:酸酐固化的试样比胺类固化试样闪络电压要高；

30. Acetylene has become increasingly prominent as a raw material for a whole series of organic compounds, among them acetaldehyde, acetic acid, and acetic anhydride.

对于整个系列的有机化合物，包括乙醛、乙酸、醋酸酐，乙炔已经成为越来越重要的原材料。

31. This paper studied the effect of starch anhydride of octenyl succinic (OSAS) as stabilizer in yogurt.

对辛烯基琥珀酸淀粉酯作为酸奶稳定剂及其应用效果进行了研究。

32. Place 49 g of phthalic anhydride in an amber bottle and dissolve it in 300 ml of pyridine that has been freshly distilled over phthalic anhydride.

将49克邻苯二甲酸酐放入琥珀瓶里，倒入300毫升的嘧啶(在刚才准备邻苯二甲酸酐的过程中蒸馏好的)稀释。

33. The mathematical model for the three-phase reaction of polyisobutylene(PIB),maleic anhydride(MA) and chlorine gas was established.

建立了聚异丁烯、马来酸酐和氯气三相反应的数学模型,影响反应速率的主要因素包括:温度、转速和通气速率。

34. The influence of composing-polyimide diamine, dibasic anhydride structure etc. on the thermal property of polyimidewas discussed.

探讨了组成聚酰亚胺的二酐、二胺结构等因素对聚酰亚胺热性能的影响。

35. A process of Cr electroplating at room temperature with low chromic anhydride content was proposed.

提出了一种常温低浓度镀铬工艺。

36. The mixed indicator of thymolphthalein with phenolphthalein was applied as the new indicator for the determination of maleic anhydride.

提出了采用百里酚酞和酚酞混合指示剂作为顺丁烯二酸酐含量测定的新指示剂。

37. Abstract： The kinetics of esterification of linalool with acetic anhydride was studied.

摘 要： 研究了芳樟醇与乙酸酐酯化反应动力学。

38. Organic resin was used instead of chromic anhydride in the orthogonal experiment for research on non-chromate Dacromet technology.

摘要以有机树脂代替铬酐，在无铬达克罗工艺研究中进行正交试验。

39. Using camphor as raw material, isoborneol acetate was synthesized through reductive with KBH4 and esterization with acetic anhydride.

摘要以樟脑为原料，经KBH4还原、乙酸酐酯化，即得乙酸异冰片酯。

40. N-Maleoyl L-glutamic acid was synthesized by reaction of L-glutamic acid monosodium salt with maleic anhydride in aqueous acetone.

摘要以马来酸酐和味精为原料，在丙酮水溶液中反应得到N-马来酰-L-谷氨酸。

41. Maleic anhydride was esterificated with methanol, then isomerized with aluminum trichloride to obtain monomethy fumarate (MMF).

摘要以马来酸酐和甲醇为原料，经酯化及异构化得到富马酸单甲酯，再经酰氯化得到富马酸单甲酯单酰氯。

42. Technology for maleic anhydride production and the development of catalysts are described.

摘要综述了顺丁烯二酸酐生产的工艺路线和催化剂研究发展。

43. In present study, butyryl chitosans were synthesized by esterification with butyric anhydride as catalyst.

摘要考察了催化剂和反应时间对丁酰化反应的影响。

44. PVA superabsorbent composite resin containing diatomite was synthesized by suspension polymerization using maleic anhydride as cross-linking agent.

摘要采用悬浮聚合法，以顺丁烯二酸酐为交联剂，添加硅藻土，制得硅藻土-聚乙烯醇高吸水性树脂。

45. Abstract： Crosslinked aceto polystyrene was obtained by reacting crosslinked polystyrene and acetic anhydride with aluminium trichloride as catalyst.

摘要： 交联聚苯乙烯在三氯化铝催化下与乙酸酐进行乙酰基化反应,得到交联聚苯乙烯乙酮树脂;

46. This paper summarized the applications of the cyclodextrin,porous starch and octenyl succinic anhydride modified starch in essences and flovors.

文章对环糊精、多孔淀粉和辛烯基琥珀酸淀粉酯(纯胶)等几种淀粉基缓释剂在香精香料中的应用进行了综述。

47. Methods This preparation of tetrafluorophthalic acid started from tetrachlorophthalic anhydride and underwent amidation,fluorination and hydrolysis.

方法以四氯苯酐为原料,经酰亚胺化、氟化、水解得四氟邻苯二甲酸。

48. The adhesive prepared by grafting SBS with Bu acrylate and maleic anhydride, with cyclohexane as solvent, can be used for shoes.

本文以环己烷作溶剂，以丙烯酸丁酯和顺酐对SBS接枝改性制鞋用胶粘剂。

49. In this study，a co-monomer DAP wa s used in the process of maleic anhydrid e（MAH）solid grafting PP.

本文研究了共单体邻苯二甲酸二烯丙酯(DAP)在马来酸酐(MAH)固相接枝聚丙烯(PP)过程中的作用结果。

50. In this paper, the catalysts, carriers and reactors in producing maleic anhydride by oxidation of cyclopentadiene were reviewed.

本文综述了由环戊二烯催化氧化制顺酐的催化剂,催化剂载体及其反应器的研究情况。

51. A small amount of maleic anhydride contaminates acted as nucleating agents during the crystallization of polypropylene.

极少量残留的马来酸酐在聚丙烯的结晶过程中起着成核剂的作用;

52. The ratio between resin and maleic anhydride was greater than 1:0.6, the photosensitive resin has better alkaline developable property.

树脂和酸酐的比值大于1:0.6时，产品具有良好的碱溶性。

53. Three methods for trimellitic anhydride production including MGC,nitric aid oxidation,and liquid phase oxidation by air were compared.

比较了生产偏苯三酸酐的3种方法:芳香醛水溶液空气氧化(MGC)法、硝酸氧化法和液相空气氧化法。

54. Production : monomer boron, Danhuapeng, boron anhydride, without detectable; Hydrochloric acid, Yean, ammonia water.

生产：单体硼，氮化硼，硼酐，无水硼砂；盐酸，液氨，氨水。

55. The organic compounds are mainly benzoic acid anhydride, benzophenone, and so on.

生成的有机化合物成分比较复杂,主要成分有苯甲酸酐、二苯甲酮等。

56. The influences of the catalyst, activator, acetic anhydride and thermostatic reaction temperature and time on the yield of coumarin were studied.

用 HPL C跟踪反应过程 ,对催化剂和活化剂的用量、乙酸酐的用量和用法及保温反应的温度和时间对香豆素收率的影响进行了研究 .

57. Exothermic reaction can be reduced by adding hexahydrophthalic anhydride to the phthalic anhydride.

用六氢化邻苯二酸酐加入到邻苯二酸酐中,可使其放热反应减慢。

58. The equilibrium constants have been determined for acetic anhydride binding with the enzyme and/or the enzyme-substrate complexes.

用双倒数作图法测定醋酸酐与游离酶(E)和酶-底物络合物(ES)的结合平衡常数.

59. The quantity of chromic anhydride (CrO 3) must be often determined in chromium electroplating bath solution.

电镀铬液中铬酸酐的含量需要经常分析测定,传统的碘量法操作时间长,步骤较多,不利于快速测定。

60. Therefore,determination the content of maleic anhydride in different conditions is researched.

目前,文献上提到的顺丁烯二酸酐含量测定方法的误差较大。

61. Objective: To study the effects of Phthalic Anhydride on the worker's health Methods: Present survey.

目的：研究邻苯二甲酸酐对工人健康的影响。方法：现况调查。

62. The solid phase grafting of maleic anhydride (MAH) onto powdered PE was studied,with BPO as initiator and xylene as interfacial agent.

研究了以过氧化苯甲酰（BPO）为引发剂，二甲苯为界面剂，粉状聚乙烯（HDPE、LLDPE）固相接枝马来酸酐（MAH）的反应。

63. The retention behaviors of terpene/maleic anhydride adduct(TMA, 1) and its esterification derivatres(2) on OV 17 and SE 30 columns has been studied.

研究了单萜／顺酐加成物及其酯化衍生物在OV-17和SE-30柱上的某些色谱性能和定量分析的线性相应关系。

64. A byproduct of low-molecular polyethylene wax from Daqing polyethylene unit was modified by graft copolymerization with maleic anhydride(MAH).

研究了大庆低压聚乙烯装置副产物低分子聚乙烯蜡与马来酸酐（MAH）的接枝改性。

65. The grafting reaction of maleic anhydride (MAH) onto polypropylene powder (PP) by UV radiation is studied in this paper.

研究了聚丙烯(PP)微粒与马来酸酐(MAH)在紫外线辐照下进行接枝反应。

66. The kinetics of esterification of linalool with acetic anhydride was studied.

研究了芳樟醇与乙酸酐酯化反应动力学。

67. The sulfonation reaction efficiency would reach a peak when the mole rate of acetic anhydride and concentrated sulfuric acid was 1.5.

磺化剂中乙酸酐与浓硫酸的摩尔比为1.5:1时，平均磺化效率达到了最高；

68. Results: The determination by malachite green indicator is 1% lower than by potentiometry.The adding amount of acetic anhydride has some effec...

结果:指示剂法较电位法测得结果低1%左右,醋酐的加入量对滴定突跃有一定影响。

69. The results showed that the electrical properties of bisphenol A based epoxy resin cured by modified anhydride wene better than any others.

结果表明,双酚A环氧树脂与改性酸酐的固化产物电性能较好。

70. It was showed that the plant system modification could prolong condensator life and enhance the yield of phthalic anhydride.

结果表明,装置系统改造能提高切换冷凝器的寿命,提高苯酐收率。

71. When a conjugated system was contained in the cyclic anhydride, it gave N-phenylimide as the major product.

结果表明，环酐的分子结构直接影响反应结果，当酸酐分子存在共轭结构时以N-芳基内酰胺为主要产物。

72. Many methods for preparation of anthraquinone such as phthalic anhydride method, oxidation method and naphthaquinone method and so on were compared.

综述了重要中间体蒽醌的应用以及传统工业生产方法,评价了苯酐法、氧化法及萘醌法等各种方法的优缺点。

73. Hydroxy/thiol Isocyanates, epoxy, anhydride, acid, N-alkoyl, carbodiimide, aziridine.

羟基/巯基异氰酸酯，环氧树脂，酸酐，酸，N - alkoyl，亚胺，丙啶。

74. In present study,butyryl chitosans were synthesized by esterification with butyric anhydride as catalyst.

考察了催化剂和反应时间对丁酰化反应的影响。

75. Besides ,MAPP(maleic anhydride grafted polypropylene )will also improve the toughness of the composites.

而加入相容剂马来酸酐接枝聚丙烯共聚物(MAPP)也会提高复合材料的韧性。

76. The present situation and the existing problems of alkyl fatty acid starch ester and alkenyl succinic anhydride at home and abroad were introduced.

而对烯基琥珀酸淀粉酯要重点研究低葡萄糖值的酶解产物。

77. Similarly, using diketene to replace mixed anhydride or acid chloride, intermediate enol 5 may be obtained.

而由混合酸酐或双烯酮代替酰氯，中间体也可能是烯酮或烯醇5。

78. What issue does the index on any account of flesh anhydride show again? The need in the life from what does the respect notice?

肌酐的指标高低又说明什么问题呢?生活中需要从哪些方面注重呢?

79. Creatinine:a creatine anhydride, C4H7N3O, formed by the metabolism of creatine, that is found in muscle tissue and blood and normally excreted in the urine as a metabolic waste.

肌酸酐：一种肌酸酐，c4h7n3o，由肌酸的新陈代谢形成，发现于肌肉细胞组织和血液中，一般作为新陈代谢的废物通过尿液排出。

80. The photosensitivity, alkaline solubility and viscosity of products increased as the ratio of maleic anhydride increased.

试验表明：在酸酐配比等于0.6:1时，?御人有较好的硷溶性；?物的光敏性、硷溶性和粘度随著酸酐配比的增加而增大。