查询词典 oxygen ratio

Hydrogen cyanide is thermodynamically favored under partial oxidation conditions (i.e., steam-to-carbon ratio of 0.00) at high temperatures and low oxygen-tocarbon ratios.

氢氰酸的生成在高温和低的氧－碳比的相对氧化性（如：蒸汽－碳比为0.00）的条件下动力学有利。

In the experiment, an approach was made to the cause of DRP and the mechanism of it's prevention and treatmend by acupuncture. The experimental results indicated that in rat with diabetes,(1) plasma TXB2 and the ratio of TXB2 to 6-keto-PGF1α increased obviously, suggesting hyperfunction of platelet and injury to endothelial function, which tend to result in thrombosis;(2) erythrocytic filtration index increased remarkably, suggesting erythrocytic transforming and oxygen carring hypofunction, which is one of the factors leading to retinal anoxia;(3) hyperglycemia persisted, which is related to the thickening of basilar membrane of and the decrease of mural cell of retinal blood vessels;(4) serum growth hormone rose notably, which is not only one of the important factors causing basilar membrane thickening but also promotes the synthesis or Von Willebrand Factor that participates in a tendency to thrombosis.

本实验对糖尿病性视网膜病变（Diabetic Retinopathy，DRP）的成因以及针刺防治DRP的作用机理进行了探讨，实验结果表明：糖尿病大鼠（1）血浆TXB2及TXB2/6-ket0-PGF1α比值均显著升高，提示其血小板机能亢进，内皮细胞功能损伤，具有血栓形成倾向；（2）红细胞滤过指数（Filtration Index，IF）显著增高，提示其红细胞变形能力低下，携氧运行功能降低，是造成视网膜缺氧状态的因素之一；（3）呈持续高血糖状态，与视网膜血管基底膜增厚及管壁细胞减少有关；（4）血清生长激素（Growth Hormone，GH）水平明显升高，既是导致基底膜增厚的重要因素之一，又促进VWF合成，参与血栓形成倾向。

Results showed that settling rate is in inverse ratio to the value of SV and MLSS. Sludge age, oxygen consuming rate, extracellular polymer and removal efficiency of COD take changes with variety of settling rate.

结果表明：作为选择压的沉降速率与反应器中SV值和MLSS成反比关系；在沉降速率变化过程中，污泥龄、耗氧速率、胞外多聚物和COD去除率均产生变化。

The invention discloses a method for measuring seawater chemical oxygen demand by photometry, wherein the seawater exemplar is first pre-processed, then using the basic potassium hypermanganate as reaction system, the potassium permanganate is deacidized quantitatively by organics to produce manganate, using pure water or margin solution as reference ratio, measuring the absorbance an of the manganate at its maximum absorbing wave length 430 nm, drafting the A-COD value operating curve, obtaining the concentration of the organics in the water, i.e.

本发明公开了一种对海水化学需氧量进行测定的光度测定法，该方法首先将海水样品进行预处理，再以碱性高锰酸钾为反应体系，这样海水中的有机物在强碱性介质中与过量的高锰酸钾迅速反应，高锰酸钾被有机物定量还原后生成锰酸盐，以纯水或空白溶液作参比，在锰酸盐的最大吸收波长430nm处测其吸光度A，该吸光度A与海水样品中的有机物的含量具有正相关关系。

The parameters in natural gas advanced reburning zone that influence the efficiency of de-NOx were studied in detail considering the injection amount of natural gas, initial concentration of NO, excess ratio of oxygen, the injection amount of ammonia, concentration of H2O, concentration of sodium in the experimental equipment.

建立实验装置，对先进再燃区中各种影响参数：天然气喷入量、一氧化氮初浓度、过量氧气系数、喷氨量、水蒸汽量、钠浓度等对脱硝效率的影响进行深入实验研究。

This paper analyzes the situation of energy consumption on steelmaking system at WISCO, and introduces the ways of energy consumption reduction on steelmaking system at WISCO: eliminate outdate technology; reduce gas, electric power, oxygen and steam consumption; increase LDG recovery ratio and strengthen energy management.

分析了武钢炼钢系统的能源消耗状况，介绍了武钢降低炼钢系统能源消耗的主要措施：淘汰落后生产工艺，降低煤气、电力、氧气和蒸汽等能源介质消耗，加强转炉煤气回收量，以及不断强化节能管理工作。

This ratio of isotopes transfers to rainwater. When Coryphodon drank, the oxygen atoms became incorporated into its tooth enamel.

这种同位素的比例会带进雨水中，当冠齿兽饮水时，氧原子会融入牙齿的珐琅质。

The researchers calculated the proportion of desaturation to respiratory eents as the ratio of oxygen desaturation index to apnea-hypopnea index.

研究者将呼吸过程中饱和度下降发生的比例作为血氧饱和度下降指数与呼吸障碍指数的比值。

With the increasing of oxygen content in flu ratio during sputtering, the electrocatalytic activities of the film increase.

与镍相比，氧化铁镍是更理想的催化阳极材料，当电流密度为50 mA/cm2时，其氧的过电势比镍的下降了500mV。

A chromium free conversion coating at least equivalent in corrosion protective quality to conventional chromate conversion coatings can be formed on metals, particularly cold rolled steel, by a dry-in-place aqueous acidic liquid comprising: a component of anions, each of said anions consisting of at least four fluorine atoms and at least one atom of an element selected from the group consisting of titanium, zirconium, hafnium, silicon, and boron, and, optionally, ionizable hydrogen atoms, and optionally, one or more oxygen atoms; a component of cations of elements selected from the group consisting of cobalt, magnesium, manganese, zinc, nickel, tin, zirconium, iron, and copper; the ratio of the total number of cations of this component to the total number of anions of component being at least 1:5; sufficient free acid to give the composition a pH in the range from 0.5 to 5.0; a component selected from the group consisting of phosphorus-containing inorganic oxyanions and phosphonate anions; and a component selected from the group consisting of water-soluble and water-dispersible organic polymers and polymer-forming resins and, preferably, also including a component selected from the group consisting of tungstate, molybdate, silicotungstate, and silicomolybdate anions.

通过对包含以下成分的含水酸性液体进行干燥，可以在金属上形成无铬的转换涂层，该涂层与普通铬酸盐转换涂层相比，至少在抗腐蚀质量上等效：$_一种阴离子成分，所述各个阴离子包括至少4个氟原子，至少选自钛、锆、铪、硅与硼元素中的1个原子。任选地可离解的氢原子，任选地1个或多个氧原子；$_一种选自钴、镁、锰、锌、镍、锡、锆、铁与铜元素的阳离子成分，上述成分的阳离子总数与成分内的阴离子总数之比至少为1∶5；$_足够的游离酸以使该组合物的pH值在0.5～5.0的范围内；$_一种选自含磷的无机含氧阴离子与膦酸盐阴离子的成分；$一种选自水溶性与水可分散性有机聚合物与聚合物形成的树脂的成分，优选还包括一种选自钨酸盐、钼酸盐、钨硅酸盐与钼硅酸盐阴离子的成分。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。