还原物质
- reducing substances
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一次性输液器还原物质测定中不确定度的分析
Analysis on uncertainty in test of reducing substances of disposable infusion sets
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基于层次分析法的馆藏核心外文期刊确定方法一次性输液器还原物质测定中不确定度的分析
Identification of Core Foreign Periodicals in the Library Collection Based on Analytical Hierarchy Process Analysis on uncertainty in test of reducing substances of disposable infusion sets
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一股主要来自地壳深部,自下至上,含H2S等还原物质,谓卸铀体。
Another derives from the depth of the crust and flowing from bottom to top it contains reducing matters as H_2S etc.
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由于不受磷酸根离子及维生素C等还原物质的干扰,故特别适用于生物材料及矿泉水等样品中水溶性硅的测定。
Free of the influence of phosphate ion and reducing agents such as vitamin C and so on , this method is especially suitable to the determination of Silicon in biological meterials and mineral water .
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另外,SAM还可通过转硫作用在体内合成一种重要的还原物质,即谷胱甘肽(glutathione,GSH),对抗氧自由基及炎性物质对细胞的损伤。
In addition , SAM can be transformed into a strong reducing substance & glutathione ( GSH ) by sulphur-transferring in vivo , which can resist hurt to cell by oxygen free radicals and inflammatory substances .
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土壤中还原物质(总量、活性还原物、Fe~(2+)、Mn~(2+))平均降低15.3%&37.4%;
Soil reducing substance decreased by 15.3 % & 37.4 % ;
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氧化还原物质对荔枝果皮花色素苷稳定性的影响
The Influence of Oxidizing and Reducing Agents on the Stability of Anthocyanin in Pericarp of Lychee Fruits
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钛对许多氧化物质和还原物质具有极好的耐腐蚀性,适用于人造金刚石的批量电解提纯工序。
Titanium has wonderful corrosion resistance to many oxidate substance and reduction substances , suitable to electrolytic purification of synthetic diamond .
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第三系以潜水氧化为主,还原物质缺乏,而且新构造运动对其改造微弱,总的成矿条件不理想,不宜作为主攻目的层。
Tertiary rock can not be main target layer for uranium exploration because of epigenetic phreatic oxidation , low organic matter content , weak transformation of neotectonic movement .
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同时显著减少土壤中的还原物质,提高根系活力,使白根数量增加32.62%,黑根和黄根数量分别减少20.04%和12.58%;
Under the infiltration irrigation through shallow furrow , the poisonous substance in the soil is decreased , the growing vigor of root is increased , the white roots increase 32.62 % , the black and yellow roots decrease 20.04 % and 12.58 % , respectively .
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还原性物质对化学需氧量(COD)测定的影响及消除方法
On the Effect of Reducible Substances on COD Determination and elimination
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测定过程中有机物或其他还原性物质的氧化程度决定了测定COD结果的准确程度。
The accuracy of COD measurement is determined by the extent of the oxidation of the organics or other reductants .
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由于长期污染河流下部渗透介质始终处于厌氧环境,其中富含还原性物质,Cr(Ⅵ)可以通过沉淀反应大部分得以去除,所以污染的河流不是地下水铬污染的来源。
So the Cr (ⅵ) can be removed by sedimentation action , and the polluted rivers are not the source of the Cr pollution in groundwater .
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而COD是反映污水被还原性物质特别是有机物污染程度的重要指标,国家对各类污水的COD均有严格的规定。
The COD value is an important target which reflects the extent of the wastewater that is polluted by the reducible substances , especially by the organic substances .
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COD(化学需氧量)是衡量水质污染程度的一个重要指标,是指在一定条件下,水体中的还原性物质被强氧化剂氧化消耗的氧化剂所对应的氧的浓度。
As an important indicator of the extent of water pollution , COD ( Chemical Oxygen Demand ) is defined as the amount of oxygen equivalents consumed in the oxidation of organic compounds by strong oxidizing agents .
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采用锥形量热仪研究了金属化合物、还原性物质等添加剂对HIPS及PE-LD阴燃特性的影响,以及炭黑等填料在阴燃中的作用,并且对阴燃机理作了初步探索。
The effect of metal compounds and carbon black on the afterglowing characteristic of HIPS and PE-LD was studied , the possible mechanism of afterglowing was explored .
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结果表明,水中有多种离子会对活性氯的产生有较大的影响,其中最主要的是NO2等还原性物质。
Results of this study indicated of many familiar ions influence the production of active chlorine , in which reducing matter such as NO ~ - _2 is the most important .
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灌胃45d后,分别检测雌雄小鼠脑组织中的氧化性物质丙二醛和还原性物质谷胱甘肽的含量;并建立量效函数模型。
45 days later , the content of malondialdehyde ( MDA ) and reduced glutathione hormone ( GSH ) in brain tissues were assessed to set up the does-effect function models .
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嫌气条件下土壤中有机还原性物质的动态变化
Dynamics of organic reducing substances in soils under anaerobic culture conditions
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绿肥压青后水稻生育期间土壤中还原性物质的动态变化
The dynamical equilibrium of soil reductive substances after green-manuring for rice culture
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山楂干酒中还原性物质的分析与还原糖含量测定
Analysis of reducing substances and determination reducing sugars on dry wine of hawthorn
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硫铁化合物氧化历程中还原硫物质的表征和研究含碱基二铁二硫配合物的合成和电化学性质
Study and characterization of reduced sulfur in oxidation process of ferro sulfide compounds
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GB/T13216.13-1991甘油试验方法还原性物质的试验
Test methods for glycerines-Test of reducing substances
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总需氧量能完全反映水中还原性物质的污染程度。
The overall aerobic quantity cam completely reflect the pollution degree of reducing matter in water .
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示波指示技术在动力学分析法中的应用Ⅰ.利用KBrO3-KBr-HCI体系测定还原性物质
Oscillographic indication technique in kinetically controlled analysis ⅰ . determinations of reducing substances with kbro_3-kbr-hci system
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不同南瓜品种果实发育过程中肌醇、多糖和还原糖物质的动态变化
Dynamic Changes of Inositol , Amylase and Reductive sugar substances in Different Pumpkin Varieties During Fruits Development
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利用灰关联法对纸纤维氧化降解的影响因素进行了研究,通过氧化剂转化率的测定,了解还原性物质的生成量,推测纤维素大分子的降解情况。
The factors which influence oxidized degradation of cellulose has been studied by gray relational space analysis method .
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本文还讨论了某些还原性物质(如Sn~(2+)严重干扰测定的原因及其消除方法。
The serious interference of some reducing substances such as Sn (ⅱ) and their removal are also described .
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目的:建立可适用于还原性物质存在的中药复方中硝酸盐与亚硝酸盐的鉴别反应。
AIM : We establish a suitable distinguishing reaction of nitrate and nitrite in Chinese traditional medicine containing reduction agents .
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同时做样品空白实验,校正了氧化还原性物质产生的干扰,对废水有明显的抗干扰能力。
Sample blank experiment emendated disturbance produced from oxidant and reducer . The method had obvious anti-jamming function in wastewater .