查询词典 oxygen-deficient

IT IS FOR THIS REASON THAT CUTTING OFF THE AVAILABLE SUPPLY OF OXYGEN IS CONSIDERED TO BE THE BEST METHOD OF EXTINGUISHING AN OIL FIRE BY COVERING THE SURFACE WITH FOAM.

因此，使用泡沫覆盖油火表面以隔绝氧气供应是扑熄油火的最佳方法。

And has selected the most reasonable processing craft, namely: The upper reaches -like tire of the oxygen sludge law and the foreword written comment active sludge law union craft.

并从中选取了最合理的处理工艺，即：上流式厌氧污泥法和序批示活性污泥法结合的工艺。

Objectives: To observe the influence of Danshen to the expressions of mRNA and protein of local hypoxia inducible factor-1α(HIF-1α) during acute ischemia reperfusion injury of skeletal muscles in SD rats, and its effects on the changes in erythrocyte aggregation index, erythrocyte deformation index, local swelling coefficient and histology of the left cremaster muscles of SD rats during ischemia reperfusion injury, therefore to discuss the influence of Danshen to the oxygen environment and hemorheology of skeletal muscle during ischemia reperfushion injury.

目的：通过建立SD大鼠左侧提睾肌的缺血再灌注损伤模型，观察丹参对SD大鼠骨骼肌缺血再灌注损伤局部缺氧诱导因子1α（Hypoxia Inducible Factor-1α，HIF－1α）mRNA及其蛋白表达的影响、对红细胞聚集和变形指数的变化、局部肿胀系数的变化以及组织形态学改变的作用，探讨丹参对缺血再灌注损伤骨骼肌局部氧环境及血液流变性的影响。

The effect of dissolved oxygen, temperature and concentration of nitrogen and phosphorus on the germination of turion of Patamogeton crispus L.

通过正交实验测试了水体溶氧、温度、氮和磷水平对菹草冬芽萌发的影响。

The limit oxygen concentration and the limit gas velocity are critical index to evaluate the flammability of materials.

极限氧气浓度和极限气流速度两个极限参数，是衡量材料可燃性的关键指标。

Extra-low oxygen steel ; CaO crucible ; vacuum deoxidization ; dynamics

超低氧钢；氧化钙坩埚；真空脱氧；动力学

Because of the fuel-rich propellant's high heat value and combustion temperature, the common stainless steel crucible and oxygen bomb's parts are always burned in the combustion heat testing process. In order to realize the proper testing of combustion heat, some fireproof materials characteristics and their application in the combustion heat testing of fuel-rich propellant were studied. Those fireproof materials include acid washing asbestos, C/C compound materials, Al2O3 chinaware and tungsten crucible.

含金属富燃料推进剂由于热值高、燃温高，在燃烧热测试过程中普通的不锈钢坩埚及附件经常被烧毁，为了正确测试金属富燃料推进剂燃烧热，对酸洗石棉、碳／碳复合材料、Al2O3陶瓷坩埚和金属钨坩埚的基本耐烧蚀特性和在金属富燃料推进剂燃烧热测试中的应用进行了实验研究。

The corrosion behavior of solid electrolyte used for the evolution of oxygen in molten cryolite salt was studied.

对作为析氧阳极的氧化锆固体电解质在带电和不带电条件下，于冰晶石熔盐中的腐蚀行为进行定性研究。

High orlow volume crystalloid fluid treatment had no effect on colontissue oxygen tension.

高容量还是低容量晶体液输注对於结肠组织氧压没有影响。

In the titration experiment of NMR and IR spectroscopy, we can understand how sensors binding with metal ions: the two carbonyl group and crown ether group cooperated in binding with metal ions. Furthermore, by altering the "oxygen" atoms of crown ether to "sulfur", we can change the binding affinity to the soft metal: cupper. It shows 60-fold enhancement of fluorescence.

在化合物2中，我们引进了硫原子在冠状醚中，则应对电子密度较低之金属有较好的结合能力，实验结果显示了此分子对铜离子有相当好的选择性和结合能力，萤光增加可达60倍；同时由红外光吸收光谱和核磁共振光谱滴定实验可确知，香豆素衍生物上的两个羰基对金属离子的选择性及结合上扮演相当重要的角色。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。