查询词典 triethylamine

With toluene two isocyanogen diethylene glycol dinitrate, the polyester or the polyether dihydroxy alcohol, two methylol propionic acid, the triethylamine, the ethylene diamine and so on are raw materials, uses the prepolymer dispersion method, has prepared a series of anion river character polyurethane emulsion.

用甲苯二异氰酸酯、聚酯或聚醚二元醇、二羟甲基丙酸、三乙胺、乙二胺等为原料，采用预聚物分散法，制备了一系列的阴离子水性聚氨酯乳液。

The sodium dihydroxy phosphate solution was added 0.4% triethylamine and adjusted its pH to 6.0 by adding 20% phosphate acid. The electrodes potential were set at 300mV, 400mV, 550mV and 650mV.

液相色谱的流动相为30mmol/L磷酸二氢钠水溶液：甲醇=90：10(其中水溶液中加入0.4%三乙胺，并用20%磷酸调pH至6.0)；四组电极的检测电势分别为300mV、400mV、550mV和650mV。

The aqueous polyurethane prepolymer was prepared through step-growth polymerization of diphenylmethane diisocyanate with polyester glycol and dimethylol propionic acid, which was then neutralized by triethylamine to form the stable transparent aqueous polyurethane dispersion.

以二苯基甲烷二异氰酸酯、聚酯二醇、二羟甲基丙酸等为原料合成了水性聚氨酯预聚体，用三乙胺中和制备了水性聚氨酯的透明乳液。

The poly grafted starch copolymer was synthesized by the reaction of glycolide and starch in dimethyl sulfoxide with triethylamine as catalyst.

摘要以乙交酯和淀粉为原料，三乙胺为催化剂，在二甲基亚砜介质中合成了聚羟基乙酸接枝淀粉共聚物。

For a dye regenerated system composed of eosin ethyl ester iodonium salt (EOEtIPh2) triethylamine, the efficiency of sensitization is 4 times higher than of single system EOEtIPh2, at mean time the number of active radicals is also multiplicated and thus this system is of importance in practical application.

由乙基曙红碘翁盐/三乙胺组成的染料再生体系的染料敏化效率比单一体系高4倍左右，同时使活性自由基的数量增殖，这种体系在实际应用方面具有重要意义。

The result indicated that, gathers in advance the emulsion water resistance and mechanics performance which in the body preparation method the one-stage process obtains is good, but two steps obtain the emulsion stability is good; The neutralizaing agent triethylamine amount used should enable to achieve neutral between x-y, to gathers in advance the body disperser and the emulsion stability only then is advantageous; The water affinity chain extendor DMPA content to the emulsion viscosity, stable and the emulsion cellophane water resistance has the remarkable influence, its amount used general control between x-y; Hard section isocyanogen diethylene glycol dinitrate primary control paint film degree of hardness, module, anti-avulsion, wear-resisting and so on performance, the soft section low-molecular polymer polyols primary control paint film elasticity, hydrolisis performance and so on bears the low temperature and bears

结果表明，预聚体制备方法中一步法得到的乳液的耐水性和力学性能较好，而两步法得到的乳液的稳定性好；中和剂三乙胺的用量应使中和度达到x-y之间，对预聚体的分散和乳液的稳定性才有利；亲水扩链剂DMPA的含量对乳液的粘度、稳定性及乳液胶膜的耐水性有着显著的影响，其用量一般控制在x-y之间；硬段异氰酸酯主要控制涂膜的硬度、模量、抗撕裂、耐磨等性能，软段低聚物多元醇主要控制涂膜的弹性、耐低温和耐水解等性能

Gel-type cross-linked polystyrene-isocyanuric acid resin has been obtained by reaction of chloromethylated polystyrene with isocyanuric acid under the existence of triethylamine.

由氯甲基化低交联聚苯乙烯和异氰尿酸在三乙胺作用下反应，制得了凝胶型交联聚苯乙烯-异氰尿酸树脂，测定了该树脂对苯酚和间苯二酚在不同温度下的吸附等温线，依据Clapeyron-Clausius方程从吸附等温线计算出了吸附热，从热力学的角度论证了树脂是基于氢键键合和疏水作用而吸附苯酚和间苯二酚的。

Lycorine, lycoramine and galanthamine in Lycoris radiata were microwave-assisted extracted and determined by HPLC using triethylamine aqueous solution (pH9.00)-acetonitrile-methanol as the mobile phase.

采用微波辅助提取法提取石蒜中的石蒜碱、力可拉敏和加兰他敏生物碱，建立了微波辅助提取／HPLC测定石蒜中这3种生物碱的分析方法。

The chromatographic conditions were as followed: C8 column, 0.045 mol/L ammonium phosphate monobasic solution∶acetonitrile (2∶1)(adjusted to pH7.35 with triethylamine) as mobile phase, temperature: 40℃, the flow rate: 1.0 ml/min, detection wavelength: 210nm.

采用C8柱，以0.045mol/L磷酸二氢胺溶液∶乙腈(2∶1)(用三乙胺调pH至7.35)为流动相，流速1ml/min，检测波长210nm，柱温40℃。

The chromatographic conditions were as followed: C8 column, 0.045 mol/L ammonium phosphate monobasic solution∶acetonitrile (2∶1)(adjusted to pH7.35 with triethylamine) as mobile phase, temperature: 40℃, the flow rate: 1.0 ml/min, detection wavelength: 210nm.

采用C8柱，以0.045mol/L磷酸二氢胺溶液∶乙腈(2∶1)(用三乙胺调pH至7.35)为流动相，流速1ml/min，检测波长210nm，柱温40℃。结果阿奇霉素的线性范围为50.3～1006μg/ml，平均回收率100.1%，r=1.0000，RSD=0.8%(n=9)。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。