Study of Effective Acid Strength of Acetic Esterification Catalyst

1、

Tri-n-butyl citrate ( TBC) was synthesized with citric acid and n-butanol as raw materials and p-toluene sulfonic acid as esterification catalyst.

以柠檬酸和正丁醇为原料，对甲苯磺酸为酯化催化剂合成柠檬酸三丁酯（TBC）。

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2、

Application of Esterification Catalyst in PTA Alkyd Resin

酯化催化剂在PTA醇酸树脂中的应用

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3、

In this model, some measured process parameters have been used as input and the quality-indices such as degree of esterification, concentration of carboxyl end groups, saponification value, DEG content as output. Thus it can provide the operator with timely product information.

该模型以实测的工艺操作参数为输入，以酯化率、酸值、皂化值、二甘醇含量等质量指标为输出，为现场操作人员提供了快速及时的生产信息。

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4、

Major factors that affected the degree of esterification and1,6-anhydro ring formation were studied to produce the title compound which met the European Pharmacopoeia standard.

研究了影响酯化率与成环率的主要因素，控制合适的酯化、解聚和纯化条件，得到的依诺肝素钠成品符合欧洲药典标准。

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5、

The IR spectrum indicate that the soybean oleic acid has been added onto the bone of sugar, the the degree of esterification was 6.9, the acid value was 0.38, the iodine value was 134.2, and the relative density was 0.9346.

红外光谱分析可知大豆油酸加到了蔗糖骨架上，平均酯化度为6.9，酸值为0.38，碘值134.2，相对密度为0.9346。

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6、

The degree of esterification and gel power of LM-pectin produced from dried pomelo peel were 25.1% and 141.7 ° respectively.

由干柚皮制得的低甲氧基果胶的酯化度为25.1%，胶凝强变为141.7°。

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7、

Changes of Nonspecific Acid Esterase Activity in The Development of the mouse Thymic Lymphocytes

小鼠胚胎胸腺淋巴细胞发生过程中非特异性酯酶的变化

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8、

Nonspecific acid esterase staining of different normal human lymphocytes

正常人不同淋巴细胞的酸性非特异性酯酶染色

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9、

Determination of activity of blood acetylcholin esterase in myasthenia gravis patients and its clinical significance

重症肌无力患者血乙酰胆碱酯酶活性测定及其临床意义

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10、

Objective: To investigate the changes of acetylcholine esterase ( AchE) in relevant pericaryon after peripheral nerve ischemia.

目的：探讨周围神经局部缺血后相关神经元胞体乙酰胆碱酯酶（acetylcholine esterase，AchE）含量的变化。

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11、

Study on dynamic changes of acetylcholine esterase ( AChE) after middle cerebral artery occlusion with light and electron microscope

大鼠单侧大脑中动脉栓塞后脑内乙酰胆碱酯酶的光镜与电镜酶组化研究

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12、

Optical Biosensor for the Determination of Pesticides and the Inhibitor of Acetylcholine Esterase

测量农药和乙酰胆碱酯酶抑制物的光学式生物传感器

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13、

The Dynamic State Research of Blood Sugar and Acetylcholine Esterase Activity of Rabbits Suffering Acute Organophosphate Poisoning

急性有机磷中毒动物血糖及胆碱酯酶活力的动态监测研究

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14、

Histochemical Characteristics of Acetylcholine Esterase in Dairy Cattle with Copper Deficiency

铜缺乏奶牛神经递质酶的组化特征

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15、

None of these skin secretions showed acetylcholine esterase activity.

6种皮肤分泌物均无乙酰胆碱酯酶活性。

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16、

Acetylcholine esterase inhibitor donepezil improves dynamic cerebrovascular regulation in Alzheimer patients

乙酰胆碱酯酶抑制剂多奈哌齐可改善阿尔茨海默病患者的脑血管动态调节

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17、

Furthermore, in the histochemical study, the different parts of digestive canal showed different activity of nonspecific esterase, alkaline phosphatase, acid phosphatase, ATPase, lipase and polysaccharide.

组织化学研究结果表明，随着发育，消化道各部位分别呈现不同的碱性磷酸酶、酸性磷酸酶、脂酶、ATP酶、非特异性酯酶及多糖类物质活性。

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18、

An Appraising Study on Classifying Diagnosis of Acute Leukocythemia by Activity and Restraint Experiment of Nonspecific Esterase α NAE

非特异性酯酶α－NAE活性及抑制试验对急性白血病分型诊断的评价研究

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19、

The Nonspecific Esterase Activity of Ante-and Postmortem Skin Wounds

生前及死后伤皮肤中的酯酶活性

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20、

Localization and quantification of the nonspecific esterase in injured skin for timing of wounds

损伤皮肤酯酶显微定位、定量与损伤时间推断

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