查询词典 anion

OBJECTIVE To study the effects of aloe-emodin and emodin on scavenging superoxide anion free radical O(superscript – subscript 2 and hydroxy free radical.

目的：研究芦荟大黄素和芦荟素对超氧阴离子自由基O(上标–下标 2、羟自由基的清除作用。

Photodegradation of a basic anion dye-fuchsin basic by using ammonium ferric oxalate and H2O2 as a mediator in an aqueous medium was investigated.

研究了用UV/草酸高铁铵／H2O2体系光降解一种碱性阳离子染料－碱性品红。

Objective To study the effect of carbon disulfide (CS2) on pyrogallol-luminol auto-oxidation chemiluminescence system and production of superoxide anion.

简乐目的探讨二硫化碳（CS2）对邻苯三酚-鲁米诺自氧化化学发光体系以及对超氧阴离子产生的影响。

Methods The pyrogllol auto-oxidation was adopted to produce superoxide anion O(superscript - subscript 2; the system H2O2/Fe(superscript 2+) was used to produce hydroxy radical through Fenton reaction; and spectrophotometry was used to detect the clearing functions of drugs with different concentrations against O(superscript - subscript 2) and OH.

采用邻苯三酚自氧化法产生超氧阴离子自由基O(上标-下标 2，采用H2O2/Fe(上标 2+)体系通过Fenton反应产生羟自由基，用分光光度法分别测定不同浓度的药物对O(上标-下标 2)是和OH的清除作用。

With several organic solvents,proanthocyanin was extracted from grape seeds by gradient separation,and the activities of different extracts in cleaning out super oxygen anion radical were studied by pyorgallol auto-oxidation and DPPH.

选用多种有机溶剂，经过梯度分离，从葡萄籽中得到葡萄籽原花青素提取物，并采用邻苯三酚和DPPH方法研究提取物的清除自由基活性。

Based on Fenton reaction and the auto-oxidation of pyrogallol, the anti-radical activity of morinda officinalis how was studied by spectrophotometry. The morinda officinalis how has obvious scavenging effects on hydroxyl radical and superoxide anion radicalO2(superscript - with the efficiency related to concentration of morinda officinalis how.

基於Fenton反应和抑制邻苯三酚自氧化原理，分光光度法测定体系吸光度的变化研究巴戟天抗自由基活性，证明巴戟天对羟自由基及超氧阴离子自由基O2(上标-均有良好的清除作用，清除率与巴戟天的浓度有一定的量效关系。

In the range of test concentration, the maximum scavenging or inhibition rate of apple polyphenol extracts to linoleic acid auto-oxidation, nitroso, hydroxyl radical generated by Fenton reaction, superoxide anion radical generated by illuminating riboflavin and pyrogallol auto-oxidation was 94.4%, 95.76%, 96.64%, 95.19% and 90.48% respectively.

在试验浓度范围内，其对亚油酸自氧化、NO_2~-、Fenton反应产生的羟自由基及光照核黄素和邻苯三酚自氧化产生的O？

The company has developed products: biological nano-fuelling, nano-titanium oxide, nano-zinc oxide, NT nanocomposite materials, nano-materials and antibacterial ultraviolet shielding material, powder and far-infrared antibacterial, with the exception of formaldehyde, the release of anions The function of fiber materials, water repellent, anti-oil antibacterial fabric, eliminate bacteria, decomposition of harmful gas purifying the air, anion magnetic goggles, bathing beauty leader Kang Jian, tourmaline-ceramic series of health products.

目前公司已开发产品有：纳米生物助长器，纳米氧化钛，纳米氧化锌，NT纳米复合材料，纳米抗菌材料和紫外线屏蔽材料，远红外粉以及抗菌、除甲醛、释放负离子的功能纤维材料，拒水、抗油抗菌布料，灭病菌、分解有害气体的空气净化器，负离子磁疗眼罩，键康美容沐浴龙头，托玛琳多功能陶粒等系列健康产品。

On the basis of investigating the developments of inorganic mesoporous material's syntheses and applications, mesostructured tin oxide, bismuth oxychloride, lead sulfide, bismuth sulfide, titanium phosphate and zinc phosphate were synthesized by Sol-Gel and hydrothermal techniques, employing the neutral surfactant organic amine and anion surfactant alkyl sulfonate as templates.

在对无机介孔材料的合成、应用等方面的发展现状进行了充分调研的基础上，本文运用溶胶一凝胶法、水热法等合成手段，选用中性表面活性剂有机伯胺和阴离子表面活性剂烷基磺酸盐为模板，制备了二氧化锡、氯氧化铋、硫化铅、硫化铋、磷酸钛、磷酸锌等无机介孔材料。

On the basis of investigating the developments of inorganic mesoporous material's syntheses and applications, mesostructured tin oxide, bismuth oxychloride, lead sulfide, bismuth sulfide, titanium phosphate and zinc phosphate were synthesized by Sol-Gel and hydrothermal techniques, employing the neutral surfactant organic amine and anion surfactant alkyl sulfonate as templates.

中文题名非硅基介孔材料的合成与表征副题名外文题名论文作者周书喜导师李健民学科专业物理化学研究领域\研究方向学位级别博士学位授予单位中国科学技术大学学位授予日期2003 论文页码总数92页关键词介孔材料介孔分子筛馆藏号BSLW /2003 /O643.3 /50 在对无机介孔材料的合成、应用等方面的发展现状进行了充分调研的基础上，本文运用溶胶一凝胶法、水热法等合成手段，选用中性表面活性剂有机伯胺和阴离子表面活性剂烷基磺酸盐为模板，制备了二氧化锡、氯氧化铋、硫化铅、硫化铋、磷酸钛、磷酸锌等无机介孔材料。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。