查询词典 Oxygen

Fourthly, taking three groups of water quality data of Jinhe River as original data, prediction to water quality of the river was made. Compared with real monitored value, the error of predicted value of all of simulating terms, including dissolved oxygen, bio-chemical oxygen demand, chlorophyll a, organic nitrogen, ammonia nitrogen, nitrite nitrogen, nitrate nitrogen, organic phosphorus, dissolved phosphorus and temperature, were basically within error limit of 20%, which validated the validity of the model.

第四，以津河三组水质数据为原始数据，通过建立的模型对津河水质进行预测，水质变量溶解氧、BOD、叶绿素、有机氮、氨氮、亚硝酸盐氮、硝酸盐氮、有机磷、溶解性磷和温度的预测值与实际监测值均在所设定的误差范围20%之内，验证了模型的有效性。

Based on the properties of miniature PSA oxygen production and a linear driving force approximation, a mathematical model for PSA processes of a Special Miniature Oxygen Concentrator is developed in this paper. The boundary and initial conditions for the model are analyzed and determined, and the finite difference method is applied to solve the partial differential equations.

基于微型变压吸附氧氮分离过程的特点和线性推动力模型，建立了描述该过程的数学模型，给出了求解的边界条件和初始条件，采用有限差分法对模型进行了求解。

Based on the properties of miniature PSA oxygen production and a linear driving force approximation,a mathematical model for PSA processes of a Special Miniature Oxygen Concentrator is developed in this paper.

所建立的数学模型可以较为准确地模拟微型变压吸附条件下的氧氮分离过程，为深入研究SARS患者专用PSA制氧机及其吸附器结构优化打下了基础

By using the method of documentation, this paper summarizes the research achievement of college students\' aerobic capacity and expounds the normal value and measuring method of important index of aerobic capacity-Maximal Oxygen Uptake and discusses the influential factors of college students\' Maximal Oxygen Uptake, in order to provide the theoretioal references for improving the aerobic capacity of college students.

采用文献资料法，对我国普通大学生有氧工作能力的研究成果进行综述，重点阐明了评价有氧工作能力的重要指标——最大摄氧量的正常值和测定方法。还讨论了中国普通大学生最大摄氧量的影响因素，为更好地提高大学生的有氧工作能力提供理论依据。

Methods The skull was opened on cerebral parietal bone and local meninx was exposed. The rabbits were exposed to hyperbaric oxygen. The meninx microcirculation examined before and after inhaling oxygen at 0.13MPa, 0.16MPa, 0.19MPa, 0.22Mpa and 0.25MPa.

在兔大脑顶叶部位颅骨开窗，暴露局部软脑膜，然后将兔置于高压氧舱内，加压的同时给予持续常压面罩吸氧，分别于加压吸氧前及加压吸氧后0.13、0.16、0.19、0.22及0.25MPa时进行脑膜微循环检测。

In this study, a separated oxygen microelectrode was used as detecting tool to detect the oxygen distribution in the biofilm.

实验设备与实验方法，应该是书写错误，这部分应该是结果和讨论，需要改正。

The chemical potential, entropy and partial molar heat capacity of dissolved oxygen were combined to develop a rigorous thermodynamic model to estimate saturated concentration of oxygen in pure water.

将水作为溶剂主体，通过热力学分析导出了氧气在纯水中的溶解度模型。

There are fresh air and high level negative oxygen ion as a oxygen bar.

这里的空气非常好，负氧离子非常高，是一出天然的氧吧。

Last year, the Analyzer of Space Plasma and Energetic Atoms aboard Venus Express showed that there was a great loss of hydrogen and oxygen on the nightside. Roughly twice as many hydrogen atoms as oxygen atoms were escaping.

去年，金星快车上的空间等离子体和能量原子分析器显示，金星背日面有大量的氢原子和氧原子的丢失，氢原子的遗失量大致是氧原子的两倍。

The Molar conductivity indicates that all the complexes are nonelectrolyte. IR spectra show the ligand is bonded with RE ion through its oxygen atom in hydroxyl group of phenol; NO3 is coordinated as a symmetrical chelating bidentate group; the coordinated atoms of DMF and DMSO are the oxygen atoms in carbonyl and sulfoxyl groups. Fluorescence spectrum suggests that the Tb3+complexes have characteristic luminescence and its fluorescence intensity is enhanced after doping with La3+, Gd3+, Y3+, influence of doping ions and neutral ligands have also been discussed.

摩尔电导率表明，所有配合物均为非电解质；红外光谱及核磁共振氢谱表明，对叔丁基杯[8]芳烃通过酚羟基的氧原子与稀土离子配位；硝酸根为双齿螯合配位；DMF和DMSO则分别通过羰基氧和亚砜基氧与稀土离子配位；配合物的荧光光谱表明，所有Tb的配合物具有较强的特征荧光，掺杂La~(3+)、Gd~(3+)、Y~(3+)离子对Tb~(3+)的荧光有较强的增强作用。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。