• 双氧水氧化一种可行深色生物柴油脱色方法

    Bleaching of deep color biodiesel by oxidation could be utilized as an feasible and effective method.

    youdao

  • 结果表明采用双氧水氧化工艺浸出90%以上。

    The results show that the leaching rate of Germanium can reach as high as 90% using the H_2O_2 oxidation leaching process.

    youdao

  • 催化剂存在下,用双氧水氧化醛溶液快速合成了乙醛

    Glyoxylic acid was rapidly synthesized by catalytic oxidation of glyoxal with H2O2.

    youdao

  • 讨论了直接出、双氧水氧化浸出、焙烧氧化浸出对浸出影响

    The effects of direction leaching, H_2O_2 oxidation leaching, roasting-oxidation leaching on leaching rate of Germanium are discussed.

    youdao

  • 讨论了直接出、双氧水氧化浸出、焙烧氧化浸出出率的影响。

    Study on coupling of oxidation leaching and separation of coordinated extraction for sphalerite;

    youdao

  • 以三氯化磷丁基硫醇硫代烷基化反应,得到化合物双氧水氧化即可得到该产品。

    It is obtained by the reaction of the compound, which is prepared through the Thio-alkylation of PCl_3 with n-butane thiol, and hydrogen peroxide.

    youdao

  • 工艺路线传统双氧水氧化”工艺先进,生产成本产品主要质量指标接近或达到世界先进水平。

    This technological route is an improvement on the traditional "hydrogen peroxide oxidation" route, with lower cost of production and the main quality indexes of the product being close too...

    youdao

  • 探讨双氧水氧化硫代硫胺反应机理 ,建立了描述氢离子浓度双氧水浓度变化氧化动力学方程 ,与实验结果吻合良好

    The reaction mechanism of the oxidation of thiothiamine was studied, and two kinetic equations that well describe the changing concentration of reactants were also gained in this paper.

    youdao

  • 氧化氢酶量不足意味着头发中的双氧水不能有效分解掉。

    That catalase shortfall means that the hydrogen peroxide that naturally occurs in hair can't be broken down.

    youdao

  • 采用双氧水中性条件壳聚糖进行氧化降解制备了低聚氨基葡萄糖

    Oligo glucosamine was prepared by oxidative degradation of chitosan with hydroperoxide in the neutral condition. Its moisture retention, hygroscopicity and antimicrobial activity were investigated.

    youdao

  • 青霉素G为原料,分别采用过氧乙酸双氧水氧化剂合成青霉素G亚收率可达91.5 %。

    Penicillin G potassium salt can be oxidized by Hydrogen Peroxide or Peracetic acid to give sulfoxide with a yield of 91.5%.

    youdao

  • 二乙胺二硫化为原料,双氧水(27.5%)氧化一步合成了四乙基秋兰姆化二硫。

    Tetraethyl thiuram disulfide was synthesized one step from diethylamine and carbon bisulfide with hydrogen peroxide (27.5%) as oxidant.

    youdao

  • 采用氧化双氧水溶解羊毛得可溶性角蛋白溶液,再对经高碘酸选择性氧化棉纤维进行处理。

    Keratin solution, prepared by dissolving the wool fibers in the sodium hydroxide solution and peroxide solution, was used to threat the cotton fibers oxidised by sodium periodate.

    youdao

  • 实验结果表明双氧水可以有效地将汽油中的硫醇氧化并且添加促氧明显改善双氧水作用效果

    The results show that thiol can be oxidized effectively by hydrogen peroxide, and adding oxidation modification agent can significantly improve the effect of oxidation.

    youdao

  • 反应介质催化元素为线索,对双氧水为氧源烯烃反应最新研究进展进行综述。

    Based on the reaction medium and the elements in the catalysts, the recent progresses of epoxidation of alkenes with hydrogen peroxide have been reviewed.

    youdao

  • 采用正交试验方法,研究了无机盐催化剂作用苯酚双氧水直接氧化制取对苯二酚合成技术。

    Using the orthogonal test , the synthesis of pyrocatechol and hydroquinone by catalytic oxidation of phenol by inorganic salts has studied.

    youdao

  • 主要研究氧化双氧水湿面条保鲜方面作用

    The effect of chlorine dioxide and hydrogen peroxide on the shelf life of wet raw noodle was investigated.

    youdao

  • 双氧水尿素反应合成氧化尿素。

    Urea peroxide is synthesized by reaction of urea with hydrogen peroxide.

    youdao

  • 评述分子双氧水为氧源的丙烯氧化催化剂体系最新研究进展

    Recent research progress on the propylene epoxidation catalysts which use molecular oxygen or hydrogen peroxide as oxidants is reviewed.

    youdao

  • 兽医上首次应用3%氧化氢溶液(双氧水代替常规造影剂进行超声心动图声学造影法研究取得成功

    Successful veterinary application of 3%hydrogen peroxide solution instead of conventional contrast agents for echocardiographic acoustic contrast is reported in this paper for the first time.

    youdao

  • 采用双氧水中性条件下壳聚糖进行氧化降解制备了低聚氨基葡萄糖

    Oligo glucosamine was prepared by oxidative degradation of chitosan with hydroperoxide in the neutral condition.

    youdao

  • 研究双氧水氧化分子筛ts - 1催化1 -丁烯氧化反应溶剂效应

    The solvent effect of 1-butylene epoxidation was investigated over titanium silicate TS-1 using hydrogen peroxide as oxidant.

    youdao

  • 比较漂洗氧化(双氧水次氯酸钠)罗非鱼凝胶强度度及保水性影响

    Effects of potch and oxidant (hydrogen peroxide and sodium hypochlorite) on gelling strength, whiteness, and water holding capacity of minced Tilapia fish were compared.

    youdao

  • 结果表明双氧水对于本溶胶体系有效催化作用,溶胶具有好的稳定性,制备氧化薄膜一种经济实用的前驱溶胶。

    The results showed that oxydol effectively accelerated hydrolysis of the system, the sol system was fairly stable and it was an economic and practical sol to prepare zirconia films.

    youdao

  • 耳垢可以矿物油甘油软化氧化(双氧水)或过氧化可能帮助

    The wax can be softened with mineral oil, glycerin or ear drops. Hydrogen peroxide or carbamide peroxide may also help.

    youdao

  • 考察双氧水丙基双键配比反应温度反应时间氧化反应影响

    The effect of the ratio of hydrogen peroxide to double bond of allyl group, reaction temperature and reaction time on epoxidation was investigated.

    youdao

  • 介绍醌法双氧水生产中的尾气污水活性氧化污染物提出回收处理方法

    The pollutants of tail gas, sewage, waste activated alumina, etc, in the hydrogen peroxide production by anthraquinone process are introduced. Their recovery treatment methods are put forward.

    youdao

  • 硫化物在沸腾床氧化释放出的SO_2双氧水溶液吸收转变硫酸溶液。

    SO_2 released by sulphide mineral during the oxidation process in the fluidized-bed is absorbed by the aqueous solution and turns into sulphuric acid.

    youdao

  • 氧化溶液漂白时,将木材表面,经小时涂上双氧水

    Bleaching with sodium hydroxide solution, this liquid besmear in the wood surface, half an hour later, besmear again hydrogen peroxide.

    youdao

  • 双氧水(过氧化氢)。根据上世纪20年代一种理论感冒流感病毒通过进入人体

    Hydrogen peroxide. According to a theory developed in the 1920s, colds and flu germs enter in the body via the ear canal.

    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