查询词典 oxygen-deficient

With the counterflow diffusion flame serving as an object of investigation and by the use of a detailed elementary reaction kinetics model based numerical analysis method a study was conducted of the influence of thermal radiation on the flame structure and NO x formation in a methane/oxygen enriched (oxygen concentration 60%) air diffusion flame.

在富氧燃烧的研究方面，国内已有一些利用富氧燃烧节能降耗的应用性报道，但是，对富氧燃烧的火焰特性以及污染物的排放等方面的基础特性研究还比较少。

Oxygen sensitive materials had been prepared by carrier covalence method, and the preparation mechanism of the materials had been investigated by FI-IR, SEM, and the detection experiment of oxygen.

氧敏感材料在光纤溶解氧传感器中的应用：该传感器的响应时间为20s，重复性和稳定性较好，不受溶液pH值的影响，但受水温影响较大，只能用于低温溶解氧的检测。

Can estimate so: A cup of water makes an appointment with 250 milliliter, water of one side basin makes an appointment with 5000 milliliter, a pail of water makes an appointment with 10000 milliliter, one cuspidor water makes an appointment with 2000-3000 milliliter, one spoon disinfectant is equivalent to powder of 10 grams solid or 10 milliliter liquid about, if need to make up 10 thousand milliliter 0.5% second crossing oxygen are acerbity, 5 spoon can be joined to cross former fluid of oxygen second acid in 1 pail of water and into.

可以这样估计：一杯水约250毫升，一面盆水约5000毫升，一桶水约10000毫升，一痰盂水约2000-3000毫升，一调羹消毒剂约相当于10克固体粉末或10毫升液体，如需配制1万毫升0.5%过氧乙酸，即可在1桶水中加入5调羹过氧乙酸原液而成。

While, it is the II mechanism that plays the main role in the therapy, that is the producing of cytotoxin singlet oxygen affected by the oxygen.

而且在光动力治疗过程中，主要是通过Ⅱ型机制起反应，即氧影响着主要的细胞毒素单态氧的产生。

The results from the study on the decoloring conditions of strain 3# showed that the pH range for decoloring reaction was 5～11 with 6 ～7 being the optimum, the temperature range was 10～30℃ with 30℃ being efficiency optimal. The decoloring efficiency was higher under the presence of oxygen than that lack of oxygen. Strain 3# could more strongly decolor malachite green under optimum conditions. The decoloring rate was above 50%, 70% and 90% in 4, 12 and 24 h treatment, respectively.

对3#菌株的脱色反应条件进行初步研究表明，3#细菌的脱色反应的pH为5～11，最佳范围pH 6～7；温度10～30℃，最佳温度30℃；有氧气情况下的脱色效果较缺氧情况下好；在最佳条件下该菌对孔雀绿染料的脱色作用较强，处理4、12、24 h后，色度去除率分别达到50%以上、70%以上和90%以上。

Methods: 27 SD rats were randomly divided into 3 groups: normal oxygen group, hypoxia group and combinational gaoyuanchun grain group (The following named remedy group). Put remedy group and and hypoxia group to decompressure chamber on time, decrease pressure to 0.06MPa, moved them out of decompression chamber 5 hours latter, and determined rats' brains oxygen freee radical changes of each group.

将SD大鼠27只随机分为常氧组、低氧组和复方高原春颗粒组，将药物组和低氧组按时入低压舱减压至0.06MPa，5h后减压出舱，测定每组大鼠脑匀浆氧自由基的变化。

The theory model and main technological parameters for semiconductor of ceramic material is studied, the semiconductor technology of oxygen defect through weak reduction is proposed, the BaTiO〓 semiconductor sample is prepared by means of doping and oxygen defect, the relation between the conductivity and color is inspected, a simple way to detect the semiconducting character of the sample is proposed.

探讨了陶瓷材料半导化理论模型及主要工艺参数，提出了弱还原氧缺陷半导化工艺模型，并分别用电价掺杂半导化和弱还原氧缺陷半导化两种工艺制备了BaTiO〓半导化样品，考察了样品颜色与电导的关系，提出了一种简易判断粉体样品半导化的方法。

Deliquescent oxygen reduced with longer balance time and greater difference from standard occurred. Before balancing,deliquescent oxygen was close to saturation. The results under 20 ℃ met the standard.

结果： 以蒸馏水和纯净水作为稀释水水源，其BOD5都小于0.2 mg／L，均达到标准；平衡时间增长，当日溶解氧量趋于降低，与标准值的差值也逐渐增大，未经平衡的溶解氧量接近饱和；20 ℃时的测定结果达标。

Result: when distilled water and purified water was used as diluting water, no obvious difference of bod5 was found between them, and both the results reached the standard （ below 0.2 mg/l）. deliquescent oxygen reduced with longer balance time and greater difference from standard occurred. before balancing,deliquescent oxygen was close to saturation. the results under 20 ℃ met the standard.

结果： 以蒸馏水和纯净水作为稀释水水源，其bod5都小于0.2 mg／l，均达到标准；平衡时间增长，当日溶解氧量趋于降低，与标准值的差值也逐渐增大，未经平衡的溶解氧量接近饱和；20 ℃时的测定结果达标。

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。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐