• 研究毛杨梅栲胶甲基化改性方法

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

    youdao

  • 我国盛产栲胶开发此法前景光明的。

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

    youdao

  • 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.

    youdao

  • 结果表明改性栲胶溶液黏度下降相对分子质量降低分布集中

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

    youdao

  • 木质素原料主要来自制浆废液木质素磺酸盐,少量来自栲胶

    The starting raw material is mainly lignosulfonates from black liquor of cellulos.

    youdao

  • 主要讨论栲胶脱硫生产栲胶溶液吸收再生诸多影响因素

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

    youdao

  • 好的方法1%烷初鞣,然后用15 %的荆树皮栲胶

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

    youdao

  • 如何及时测定栲胶脱硫悬浮含量了解提高脱硫效率关键

    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.

    youdao

  • 论述土耳其栲胶组成基本性质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.

    youdao

  • 研究了以黑荆树皮栲胶废料原料,在微波辐照氯化锌法制取活性炭方法

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

    youdao

  • 试验筛选,在栲胶脱硫加入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.

    youdao

  • 应用鞣质测定标准方法对重度亚硫酸化改性栲胶进行分析鞣质含量3

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

    youdao

  • 改性落叶松栲胶为主料研制的高温水剂适用油田采油高温堵水剖凝胶。

    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.

    youdao

  • 通过落叶松栲胶进行亚硫酸盐氢氧化钠改性,测定溶液黏度,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.

    youdao

  • 本文电化学测试技术栲胶型带锈防锈剂”的主要组分——栲胶钢铁表面防锈作用机理进行研究

    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.

    youdao

  • 通过化学分类试验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.

    youdao

  • 通过对智胜化工有限公司水煤气栲胶脱硫改造总结,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.

    youdao

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

    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.

    youdao

  • 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栲胶可以保证水冷煤粉喷嘴垢运行节约大量水资源

    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.

    youdao

  • 探索了橡木宛栲胶黄牛皮沙发工艺分析测试了所鞣坯革的物理及感观性能,植鞣牛皮革产品提供了一些理论实验依。

    This paper have studied vegetable tanning technology of cowhide light leather with modification volanea extract for chief tanning agent and with yellow cow taw for raw skin.

    youdao

  • 探索了橡木宛栲胶黄牛皮沙发工艺分析测试了所鞣坯革的物理及感观性能,植鞣牛皮革产品提供了一些理论实验依。

    This paper have studied vegetable tanning technology of cowhide light leather with modification volanea extract for chief tanning agent and with yellow cow taw for raw skin.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定