查询词典 Oxygen

It is concluded that mixture of deoxidant elements, reduction of oxygen and hydrogen source and improvement of escaping condition of oxygen from surfaced layers can prevent surfaced layers of copper-nickel alloy from producing gas holes efficiently.

本文分析了铜镍合金堆焊时所产生的气孔的主要原因及影响因素，认为粉末中脱氧元素的加入；减少氢、氧的来源；改善氢、氧从堆焊层中的逸出条件可有效防止铜镍合金堆焊层中气孔的产生。

E The results of LECO TC-436 Oxygen/Nitrogen Determinator show that there is a little oxygen in the nitrided samples.

D试样的粒度较大和高温加热时间比较短的情况下，渗氮试样中均有未发生氮化的金属锰残余。

Tantalum wires were heated and melted with different methods, and their oxygen contents were measured by pulsed oxygen coulometric determinator.

采用不同方法熔融金属钽丝，并以脉冲库仑定氧仪检测其中的氧含量。

Oxygen desaturation index (3%ODI) was used to evaluate SDB extent. Blood oxygen saturation was evaluated by a simple SDB determinator.

用动脉血氧饱和度下降指数(3%ODI)来评价SDB的程度，血氧饱和度的评价采用简易SDB测定仪。

The machine applies Faraday magnetic conductivity principle for the first time, utilizes the difference between oxygen of air andnitrogen, paramagnetism of oxygen and diamagnetism of nitrogen principles and adopted high-performance rare-earth permanent-magnet material, which creates 18 proprietary technologies that take polyoxier and helimagnetizer as core.

该机首次应用法拉弟导磁性原理，利用空气中氧、氮磁性之差，即氧的顺磁性和氮的抗磁性原理。采用高性能稀土永磁材料，创造了以"聚氧器"和"螺旋磁化器"为核心的16项专有技术。聚氧器利用氧的顺磁性，采用高梯度强磁场富聚空气中的氧，同时设有与离心叶轮同步高速旋转的双向扫射磁场，对富聚的氧予以充分的激活。

Thirdly, the chemical diffusivity of oxygen varies with the variation of oxygen content in 〓 materials.

其三，〓材料中氧化学扩散系数是随样品氧含量变化的。

Superoxide Dismutases are ubiquitously expressed antioxidant enzyme in aerobic organisms and catalyze dismutation of superoxide anion to hydrogen and molecular oxygen,the first step in active oxygen-scavenging systems.

超氧化物歧化酶(superoxide dismutase，SOD)在需氧原核生物和真核生物中广泛存在，是活性氧清除系统中第一个发挥作用的抗氧化酶。

Zhuangyuanfuguxiaoyao decoction can enhance the level of blood serum SOD by activating activity of SOD, and prevent damage of arthrodial cartilage from oxygen radical by catalyzing dismutation reaction of oxygen radical.

壮元扶骨逍遥汤可提高血清SOD水平，保护关节软骨，提高软骨细胞功能，促进软骨修复；降低关节液IL-1水平，减轻炎症对关节软骨的破坏及所产生的疼痛。

Superoxide dismutase (EC 1.15.1.1;SOD) is a metal-containing enzyme that widely exist in organisms. It catalyzes the dismutation of superoxide free radical and produces hydrogen peroxide and oxygen.It plays an important role in protecting the plasmalemma from the reactive oxygen species.A recombinant plasmid pPICZA-sodM18 was constructed and after its linearization was transferred into chromosome of Pichia pastoris GS115 by electroporation.

超氧化物歧化酶(Superoxide dismutase；EC 1.15.1.1；SOD)是广泛存在于生物体内的金属酶，是机体内唯一以超氧阴离子自由基(O_2~-)为底物的酶，它能专一地催化O_2~-的歧化反应，生成过氧化氢和氧气，能有效的抵御氧自由基和其他氧化物自由基对细胞质膜的毒性，对机体防御氧化损伤起着十分重要的作用。

We introduce a method of examining oxygen pipeline divulgence using oxygen concentration meter.

介绍一种用氧浓度仪检测的方法来检测氧气管道泄漏。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。