1、

Based on these, anionic ring-opening polymerization of β-butyrolactone was performed using tetrabutylammonium carboxylates ( TBA acetate) as initiator.

以四丁基醋酸铵为引发剂,β-丁内酯为单体进行阴离子开环聚合制备PHB均聚物。

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2、

Result: Two compounds were isolated from the petroleum ether and ethyl acetate fractions of the flower and identified as tetracosanoic acid and quercitrin.

结果:从合欢花石油醚和乙酸乙酯部分得到2个化合物,鉴定为二十四烷酸和槲皮甙。

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3、

Studies were designed to determine whether there were alteration of protein Kinase G activity in the human leukemic cell line, HL-60, during induction of macrophage-like differentiation by 1 2-tetradecanoyl phorbol 13-acetate ( TPA).

本文对佛波醇酶诱导人早幼粒白血病细胞系HL-60细胞分化为巨噬细胞样细胞对蛋白激酶c活力及其在亚细胞分布的变化进行了研究。

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4、

Shi-Jie Operation Liquid Disinfectant is composed of chlorhexidine acetate, polyoxyethylene tetradecyl ether.

诗洁手术消毒液由醋酸氯己定、聚氧乙烯十四烷基醚等组成,为含醋酸氯己定9746mg/L、pH值7.09的无色透明液体。

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5、

Theoretical Study on the Reaction Mechanism of Synthesis of 2-Ethoxyethanol Acetate by Layered Zirconium Sulfate Tetrahydrate

层状四水硫酸锆催化合成乙二醇单乙醚醋酸酯反应机理的理论研究

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6、

The solid solid state reaction of 2,2 ′ ( p phenylenedimethylenethio) diacetic acid with nickel acetate tetrahydrate at low heating temperature

2,2'-对苯二甲硫基二乙酸与醋酸镍在低热温度下的固-固相反应

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7、

A method of synthesis of 2,3,4,5 tetrahydro 3 oxo 4 amino 6 methyl 1,2,4 triazine 3 cyanopyridine from ethyl acetate with the yield of 60.4% followed by the synthesis of pymetrozine with a yield of 93.1% and purity of 96.7%.

研究了乙酸乙酯法合成中间体2,3,4,5四氢3氧4氨基6甲基1,2,4三嗪(以下简称氨基三嗪酮),3氰基吡啶法合成吡蚜酮。中间体合成收率60.4%,产品合成收率93.1%,产品纯度96.7%。

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8、

Using N, N, N ′, N ′-tetramethylethylenediamine and potassium persulphate as a redox initiation system, high molecular weight poly ( vinyl acetate)( PVAc) was synthesized by aqueous deposited polymerization.

以N,N,N,′N′-四甲基乙二胺-过硫酸钾为氧化-还原引发体系,用水相沉淀聚合法合成了超高相对分子质量的聚醋酸乙烯(PVAc)。

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9、

Objective To observe the histological changes of the experimental wide-neck aneurysms embolized with cellulose acetate polymer ( CAP)-a kind of non-adhesive liquid embolic material.

目的观察实验性宽颈动脉瘤被非黏附性液体栓塞剂醋酸纤维素聚合物(CAP)栓塞后的组织学变化。

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10、

The Determination and Application of the Temperature Correction Coefficient for the Density of Vinyl Acetate

乙酸乙烯醋密度温度校正系数的测定及其应用

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11、

Technological Conditions Selection of Synthesizing Ethyl Acetate by Reactive Distillation Method

反应精馏法合成乙酸乙酯工艺条件的选择

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12、

Study on the Technological Conditions for Synthesizing Vinyl Acetate from Acetylene

乙炔法合成醋酸乙烯工艺条件的研究

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13、

Technological development and market analysis of acetate fibers

醋酯纤维技术开发及市场分析

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Energy-saving technology transformation of propylene glycol ether acetate products

丙二醇甲醚醋酸酯产品节能工艺改造

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15、

The UV-Vis and fluorescence spectroscopy results reveal that anhydrous ethanol with coordination agents is the best mobile phase, which is efficient for the fluorescence properties of terbium oxide organic colloids, and cyclohexanone and ethyl acetate are found to be not suitable for this system;

UV-Vis和荧光光谱的测试表明:以含有修饰剂的无水乙醇作为流动相,可得到良好荧光性能的氧化铽乙醇溶胶,而环己酮与醋酸乙酯均不适合作为该体系的流动相;

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16、

The principal constituents of the volatile oil were β pinene ( 36 536%),α pinene,Δ 3 carene,γ terpinene, bornyl acetate, terpinyl acetate, longifolene etc. The total content of the above 33 compounds is 99 79% of the volatile oil.

其中含有α-蒎烯、Δ3-蒈烯、γ-松油烯、乙酸龙脑酯、乙酸萜品酯及长叶烯等,含量最多的成分是β-蒎烯(36.536%)。

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17、

The conversion of terpineol was 94.1% and the selectivity of terpinyl acetate was 93.3% under the optimal reaction conditions.

在最佳反应条件下,松油醇的转化率为94.1%,乙酸松油酯的选择性为93.3%。

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18、

Area-specific gas composition for the buck Linalool, Terpinolene, 1,8-cineole, Linalyl acetate, Myrcene and A-pinene etc., can be from the true lavender, geraniol geranium, sweet oregano And sweet basil essential oils found in such.

降压区特有气体成分为芳樟醇、异松油烯、1,8桉油素、乙酸芳樟酯、月桂烯、α-蒎烯等,皆可从真薰衣草、香叶天竺葵、甜牛至、甜罗勒等精油成分中找到。

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19、

Study of one-stage synthesis of terpinyl acetate with H β zeolite

Hβ分子筛一步催化合成乙酸松油酯的研究

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20、

A technological improvement was made on the synthesis of benzyl acetate by the condensation reaction with n tetrabutylammonium chloride as the phase transfer catalyst.

用氯化四正丁基铵作为相转移催化剂,对缩合法合成乙酸苄酯工艺进行改进。

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