1、

The synthetic technique of new type high molecular ashless dispersant of polybutene ( PBP) and dimaleic anhydride was described.

介绍了新型高分子聚异丁烯双马来酸酐无灰分散剂的合成工艺。

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2、

B: check kidney blood urea nitrogen and serum creatinine.

肾功能检查: 测定血尿素氮和肌酐.

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3、

The key to development the PI is the industrialization of Biphenyltetracarboxylic dianhydride ( BPDA ).

发展 联苯 型聚酰亚胺的关键是解决主要原料联苯四酸二酐的工业化生产.

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4、

Xinchun, carbon 9, plastic fertilizer, Bengan, and chemical products.

辛醇 、 碳九 、 塑料助剂 、 苯酐 、 化工产品.

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5、

Aspirin was synthesized from salicylic acid and acetic anhydride by sodium bisulfat as catalyst.

用一水硫酸氢钠为催化剂由水杨酸与乙酐酯化合成阿司匹林.

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6、

N-phenyl maleimide was synthesized ring dehydration catalyst of nickel diacetylacetonate ( Ni ( ac ac ) 2 ) by acetic anhydride method.

以乙酰丙酮镍为闭环脱水催化剂,运用改进的醋酐法,合成了N - 苯基 马来酰亚胺.

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7、

Sulfur method replaced by acetic anhydride method for chloroacetic production is the trends in domestic.

指出在国内用醋酐法代替硫磺法生产氯乙酸的必然趋势.

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8、

A analytic method by titration using acetic anhydride as age nt is related in this paper.

所作的工作建立了以乙酸酐为掩蔽剂,用盐酸标准溶液滴定二甲胺中三甲胺含量的分析方法.

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9、

Carbonic anhydrase ( CA, EC 4.2.1.1), a zinc-containing metalloenzyme, the enzyme has been found in most organisms including animals, plants, archaebacteria, eubacteria.

碳酸酐酶(Carbonic anhydrase,CA,EC4.2.1.1)是一种含Zn~(2+)金属酶,它广泛的存在于动物、植物、细菌和微生物中。

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11、

The effect of maleic anhydride acylating of collagen upon its reactivity to chrome

马来酸酐酰化对胶原与铬反应性能的影响

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12、

Methods 45 type 2 diabetic patients have submaximal exercise test.

方法对45名2型糖尿病患者做次极量运动试验,运动前后分别测尿Alb、尿TRF、尿CP、尿RBP及尿肌酐(Cr),并以26名非糖尿病人做对照。

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13、

Effect of polyglycol on curing system of epoxy resin/ acid anhydride

聚乙二醇对环氧树脂/酸酐固化体系性能的影响

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14、

Effect of internal releasing agent on curing of acid anhydride/ epoxy resin system

内脱模剂对酸酐/环氧树脂体系固化反应的影响

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15、

The study and application of tung oil acid anhydride toughened epoxy resin

桐油酸酐增韧环氧树脂的研究及应用

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16、

Modified petroleum resin ( MPR) was prepared by reaction of isooctanol with the addition compound of C 9 petroleum resin with maleic anhydride.

本文涉及的改性石油树脂是用C9石油树脂与马来酸酐的加成物再与异辛醇反应后得到的。

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17、

Research on the chemical storage system Anthracene/ Maleic anhydride at low temperature

蒽/马来酐低温贮热体系的研究

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18、

Polyaspartic acid ( PASP) was synthesized by self-catalysis process with microwave using maleic anhydride and ammonium acetate as raw materials.

以马来酸酐和乙酸铵为原料,在微波条件下用自催化法合成了聚天冬氨酸(PASP)。

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19、
20、

The reaction took place at 120 ℃ by using acetic anhydride as its acylating agent.

以乙酐作酰化剂,120℃反应;

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