1、

The optimal condition: mass ratio of starch and acrylamide 1:2, initiator quality 0.3g, reation temperature 50 ℃ and reaction time 3h was obtained through orthogonal experiments with the target of efficiency of graft, soluble capability and molecular weight of the grafting chain.

通过正交实验,以接枝效率、溶解性能和接枝链上聚丙烯酰胺分子量为指标得出了最佳条件为:淀粉与丙烯酰胺质量比为1:2,引发剂质量为0.3g,反应温度为50℃,反应时间为3h。

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2、

Iterative target transformation factor analysis was applied to resolve the kinetic-spectral data matrix monitored in the process of spectroscopic reaction of unknown kinetic model and the kinetic spectrum of each component is obtained.

采用迭代目标转换因子分析法(ITTFA)解析动力学模型未知的化学反应过程中的动力学-光谱数据矩阵,获得了各组分的动力学谱。

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3、

The structure and performance of a three-dimension movable target holder used in nuclear reaction experiments are described.

描述了遥控三维调变的核反应靶架及其控制器的结构与性能。

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4、

Based on the requirements of processability and mechanical properties for cable application, the target properties of the resin, technical route and reaction conditions were determined.

根据电线电缆应用对树脂加工和机械性能的要求,确定了产品指标和生产技术路线及反应条件。

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7、

A self-designed computer program containing priming experiment, Stroop task and Wason cards selection task was used to test characteristics of event-affect automatic connection, automatic reaction to affective event and social reasoning of aggressors/ victims'.

自编计算机程序,运用启动实验、Stroop任务和Wason卡片选择任务,分别考察儿童的事件-情感自动联结、对情感事件的自动反应和社会推理特点。

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8、

Reaction time task response ( either switch or repeat), negative emotions, significantly longer than the reaction under the cognitive conditions.

消极情绪下的任务反应(无论转换还是重复),的反应时,显著长于认知条件下的反应时。

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9、

The calculations demonstrate that the oxazolidinones are the predominant species in both the gas phase and solvents; there exist tautomeric equilibrium among these species and the equilibriums are controlled by the employed solvents in the reaction.

计算结果表明无论在气相还是溶液中恶唑烷酮都是优势的物种,而且这些物种间的异构平衡受控于所用的溶液。

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10、

Theoretical Study on Reaction Mechanism of Tautomerization of Indazole and 3-halogeno-indazole

吲唑、3-卤代吲唑互变异构反应机理的理论研究

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11、

In addition, it was found that under irradiation the main process of the excited state of these compounds is azo-cis/ trans isomerization reaction rather than tautomerization.

此外,工作中还发现:羟基喹啉偶氮化合物在光照下存在着以偶氮顺-反异构化反应为主的变化过程。

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12、

A Theoretical Study of Proton-Transfer Reaction of Benzanilide ⅰ. The cis, trans Tautomerization and Dimerization of Amide and Imidic Acid

苯甲酰苯胺激发态质子转移反应的理论研究Ⅰ.酰胺、亚胺酸的顺、反异构和二聚

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13、

In order to improve acetylene yield from coal by plasma pyrolysis, it is necessary to raise the temperature of reaction system up to sublimation point of carbon.

将反应体系的温度升高到升华点以上,是提高等离子体裂解煤制乙炔收率的必由之路。

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14、

In such situations, enterprise could select some strategies including rather-minute services, segment market, rapid reaction and technical monopoly, etc.

在激烈的竞争中,企业可以选择过细服务、细分市场、快速反应和技术垄断等策略。

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15、

To wipe off most ammonia-nitrogen in leachate, firstly we will find the better reaction reagent by chemical sedimentation experiment and make sure the optimal dosage and reaction conditions gradually though orthogonal technical processing.

本课题首先通过化学沉淀实验寻找较优反应试剂,并通过正交实验逐步确定其最佳用量及各反应条件,以去除渗滤液中大部分氨氮;

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16、

For boric acid processing, the optimum technical parameters are reaction temperature 90~ 95 ℃, reaction period 30 min.

以硼酸为原料的合成路线最佳工艺条件为反应温度90~95℃,反应时间30min。

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17、

The technical routes, reaction systems and operational parameters of producing biosurfactants with lipases were described in this review.

综述对脂肪酶催化合成生物表面活性剂工艺路线、反应体系及操作参数。

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18、

Obtained alkylate reaction technical parameter: reaction time of alkylate of rapeseed oil phospholipid was 2 hours. after 2 hours the reaction almost cease;

确定烷基化反应的工艺参数:菜油磷脂的烷基化反应所用的时间为2小时,在2小时之后反应基本停止;

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19、

Research of Food Labeling Technical Trade Measures and Reaction Policy

食品标签技术贸易措施及应对策略研究

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20、

Reactive crystallization consists of three steps: mixing, reaction and crystallization.

反应结晶过程分为混合、反应和结晶几个基本步骤。

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