查询词典 Oxygen

The extent of nitridation is evaluated by the nitrogen content determined by a LECO Nitrogen/Oxygen determinator.

采用氮/氧分析仪测定产物氮含量，评价氮化反应程度；以BET氮气吸附法测定比表面积，分析粉体活性；以扫描电镜分析样品表面形貌；以热重分析仪测定碳含量，X射线能谱仪估计元素组成。

Otherwise oxygen transport and detoxification are limited and the strength of the immune system is low.

否则氧运输、解毒能力是有限的，免疫系统能力很低。

In the crystal lattice of diaspore,aluminium-oxygen octahedron forms double chains.

一水硬铝石表面的铝离子丰度是高岭石表面的铝离子丰度的1.7倍。

Basically, the equation says: To produce two molecules of water (H2O), two molecules of diatomic hydrogen (H2) must be combined with one molecule of diatomic oxygen (O2) and that energy will be released in the process.

一个水分子由2个氢原子和1个氧原子组成。然而，我们不能简单的将2个氢原子和1个氧原子结合起来。实际上制取水的反应稍微有点复杂：2H2 + O2 = 2H2O + Energy。

In a typical fuel cell, the diatomic hydrogen gas enters one side of the cell, diatomic oxygen gas enters the other side.

典型的燃料电池，双原氢气体进入电池的一边，而双原氧气体进入另一边。

The standard Determination of the chemical oxygen demand is dichromate method , with the most widespread application.

测定化学需氧量的标准方法是重铬酸盐法，应用最为广泛。

The effect of oxygen annealing conditions (annealing time and annealing temperature) on dielectric constant were studied.

研究在氧气氛中不同温度和时间的退火对薄膜的介电常数的影响。

The paper first constructs the relating technology framework between coal low temperature self-heating thermal properties parameters and spontaneous combustion, by means of testing on coal samples of diffusibility relative to oxygen, gas-producing simulation in self-ignition process, adiabatic oxidation process, coal spontaneous combustion processing simulation, coal basic physical and chemical parameters, thermal analysis by differential scanning calorimeter , differential thermal analyzer , Thermogravimeter .

通过对试验煤样进行煤对氧的扩散特性试验、煤自然发火过程中气体产物模拟实验、DSC差示扫描量热热分析测试、DTA与TG热分析测试、煤自然发火绝热氧化过程试验、煤自然发火过程模拟试验、煤基础物理化学参数测试的试验研究，就煤对氧的扩散与吸附特性、煤自燃氧化过程中的热力特性与气体产物特性及其与煤自然发火过程之间的相关特性进行了较系统的研究，初步建立了煤低温氧化自热热物理特性参数与煤自然发火之间相关联的技术内涵。

In order to testify our whether correction to Rossi's exchange term andthe potential of electron and nucleus is reasonable, we calculate 〓 moleculeelastic differential scattering cross section by electron impact on 100eV, ourresult is obviously better than Rossi's. Then we calculate elastic differentialscattering cross section at 150eV. In order to check the program thatcalculates molecule excitation cross section by electron impact, we calculatehydrogen excitation cross section from ground state to 〓 state at 20eVand 30eV, oxygen excitation cross section from ground state to 〓 state at15eV and 20eV. These calculations are in agreement with other theoreticresults, and experiment measure. Finally, we calculate sulfur moleculeexcitation〓 cross section by electron impact at5eV,7eV,9eV, 11eV, 13eV,15eV, and draw curve of excitation total crosssection corresponding to incident electron energy.

为了核对我们修改的计算激发态的程序是否正确，计算了电子与氢分子碰撞从基态激发到〓态入射能量分别为20eV和30eV时的微分截面以及电子与氧分子碰撞从基态激发到〓态入射能量分别为15eV和20eV时的微分截面，与别人的理论计算结果、实验的测量值基本一致，最后计算了电子与硫分子在5eV、7eV、9eV、11eV、13eV、15eV时的碰撞激发〓截面，作出了电子的入射能量与激发总截面的关系曲线，找出了总截面最大时对应的电子入射能量大约是11电子伏。

In the calculation of COD and DO, the atmosphere oxygen resume equation and coefficient considered the molecule diffuseness and turbulence diffuseness are successfully exercised, and made a better result.

其中，COD、DO的计算中，成功的运用了本文建立的考虑了分子扩散和紊动扩散两种因素的大气复氧方程和大气复氧系数计算公式，取得较好的结果。

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。