• 研究N-酰化反应壳聚糖溶解性能结晶性能影响以及反应时间温度配比脱乙酰度影响。

    The effect of N acylation on the solubility and crystallinity of chitosan and the effect of reactive time, temperature and proportion on degree of deacetylation were investigated.

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  • 硅酸盐水泥,应用经过煅烧石膏比二水石膏更能提高水泥的强度。为此研究分析了煅烧温度、保温时间对煅烧后的二水石膏纯水中的溶解特性影响

    The influence of the burning temperature and the time required for maintaining the temperature on the dissolution properties of various burnt gypsums is discussed and presented in this article.

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  • 实验结果表明烧结温度数量主要作用并和保温时间一起影响扩散溶解厚度

    The results indicate that sintering temperature plays a prime role in the development of the number of phase layers and affects the thickness of diffusion solution layer by the thermal time.

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  • 分别考察了机械活化时间温度搅拌速度聚糖溶解分子质量影响

    The effects of different mechanical activating time, temperature and stirring speed on solubility and molecular weight of chitosan had been examined respectively.

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  • 适当增加压力、升高温度有利于均相体系形成。剪切作用提高气体扩散性溶解性,同时还大大缩短均相体系形成所需要的时间

    Shearing may help the diffusion and dissolution of gas in the polymer, and thus may reduce the time for the formation of homogenous system.

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  • 另外还系统地试验了试样灼烧温度灼烧时间黑、钨矿溶解影响

    The effects of ignition temperature and period of ignition on solubility of scheelite and wolframite have been investigated.

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  • 羊毛纤维不同温度的高温蒸汽处理不同的时间测试拉伸性能溶解变化对羊毛纤维在高温蒸汽中的颜色变化进行了目测评价。

    Wool is treated in superheated vapor for different time. And then we test its stretch characters and alkali solubility while take its color changes into consideration.

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  • 研究处理温度、水处理时间升温过程水溶性维纶溶解影响

    This paper studies the influences of water treatment temperature, water treatment time and the heat-up process on the water solubility of the water soluble vinylon fiber.

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  • 分析酸性溶液中浓度溶解温度溶解时间超声波作用对多组分磷酸盐玻璃化学浸蚀的影响。

    The etching effect factors such as solution concentration, temperature, reaction time and ultrasonic stirring etc were also investigated.

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  • 分析酸性溶液中浓度溶解温度溶解时间超声波作用对多组分磷酸盐玻璃化学浸蚀的影响。

    The etching effect factors such as solution concentration, temperature, reaction time and ultrasonic stirring etc were also investigated.

    youdao

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