• 研究了毛杨梅栲胶的磺甲基化改性方法。

    The method of sulfomethylation modification of bayberry tannin extract was investigated.

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  • 我国盛产栲胶,开发此法的前景是光明的。

    As China abounds in the tannin extract, so it is of bright prospect to develop this process.

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  • 用胶体滴定法测定了橡椀栲胶中的单宁含量。

    Method of collidal titration was adopted to determine tannin content of valonea tannin extract.

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  • 结果表明改性栲胶溶液黏度下降,相对分子质量降低且分布集中。

    It shows that the solution viscosity drops and the relative molecular mass reduces with narrow distribution.

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  • 主要讨论栲胶法脱硫在生产中对栲胶溶液吸收和再生的诸多影响因素。

    Influencing factor was discussed for tannin extract solution absorb and regenerate by tannin extract method in production.

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  • 较好的方法是先用1%唑烷初鞣,然后用15 %的荆树皮栲胶复鞣。

    A good order is pretanning with 1% Oxazolidine and retanning with 15% mimosa.

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  • 如何及时测定栲胶脱硫液中悬浮硫的含量是了解及提高脱硫效率的关键。

    How to determine promptly the content of suspended sulfur in the tannin extract desulfurizing solution is the key to finding out and improving the desulfurization efficiency.

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  • 论述了土耳其橡栲胶的组成、基本性质和改性过程中常用的几种化学反应。

    The composition, basic properties and chemical reactions of Turkish valonea extract were discussed.

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  • 研究了以黑荆树皮栲胶废料为原料,在微波辐照下氯化锌法制取活性炭的方法。

    In this paper, the method of preparing activated carbon from waste materials of tannin extract with zinc chloride by microwave radiation was studied.

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  • 经试验筛选,在栲胶脱硫液中加入EA添加剂,开发了一种改进型栲胶脱硫技术。

    After screening through experiments, the EA additive is incorporated into the tannin extract desulfurization solution, and a modified desulfurization technology by tannin extract is developed.

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  • 应用鞣质测定的标准方法对重度亚硫酸化改性栲胶进行分析,其鞣质含量仅为3 。

    The standard method of determining tannin was used to analyze intensive sulfitation tannin extract and the results showed there was only 3.

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  • 以改性落叶松栲胶为主料研制的高温堵水剂,适用于油田采油用高温堵水、调剖凝胶。

    The high temperature plug agent made mainly from larch tannin is applied to plugging water at high temperature and adjusting section for oil extraction in oil field.

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  • 通过对落叶松栲胶进行亚硫酸盐和氢氧化钠的改性,测定其溶液黏度,用不同溶剂进行分级和薄层色谱。

    This paper illustrates the reaction of larch bark tannin extracts with sulfite and sodium hydroxide and the tests of its solution viscosity, MW-distribution and thin-layer chromatography.

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  • 本文以电化学测试技术对“栲胶型带锈防锈剂”的主要组分——栲胶在钢铁表面的防锈作用机理进行了研究。

    This paper conducts a research on the rust-prevention mechanism of the tannic extract applied on the surface of ferrous metals by using testing technology of electrochemistry.

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  • 通过“化学分类试验”与红外、电导滴定法等联用,对荆树皮栲胶不同氧化降解程度产物的官能团进行了研究。

    Functional groups of the oxidizing degraded products of Black Wattle extract have been studied by using chemical classified tests, IR spectrum and conductivity titration methods.

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  • 通过对智胜化工有限公司半水煤气栲胶脱硫改造的总结,从设备改造、工艺控制等方面简述了脱硫技改的措施和效果。

    Through the summarization for semi-water coal gas tannin extract de-sulfur reformation in Zhisheng Chemical Engineering Company Ltd.

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  • 它是将黑荆树栲胶溶于水中配成浓度为40 ~ 50%的溶液加入适量特制的低分子量活性PUF树脂和面粉,搅匀调制成单宁胶。

    Acacia extract is dissolved in water to prepare a solution with 40-50% concentration, which is uniformly mixed with said PUF resin and wheat flour to obtain a tannic adhesive.

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  • 在煤粉喷嘴实现冷却水循环使用的同时,在冷却水中加入氢氧化钠、碳酸钠和栲胶,可以保证水冷煤粉喷嘴无垢运行和节约大量水资源。

    Putting sodium hydroxide, sodium carbonate and tanning extracts into the cooling water can make the spray nozzle work without scale, saving a lot of water.

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  • 在煤粉喷嘴实现冷却水循环使用的同时,在冷却水中加入氢氧化钠、碳酸钠和栲胶,可以保证水冷煤粉喷嘴无垢运行和节约大量水资源。

    Putting sodium hydroxide, sodium carbonate and tanning extracts into the cooling water can make the spray nozzle work without scale, saving a lot of water.

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