查询词典 oxygen-deficient

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。

The water body is usually in the flowing state, the atmosphere oxygen resume includes the molecule diffuseness and turbulence diffuseness. Especially in the slowly flowing water, such as the reservoir and the backwater river, the velocity has only the 10〓m/s level, it is necessary to consider both kind of diffuseness.

水体一般都处于一定的流动状态，其大气复氧作用，既有分子扩散，又有紊动扩散，尤其流速非常缓慢的湖流，库湾回水段水流，流速只有10〓m／s的量级，这种情况下，同时考虑二者的复氧作用是非常必要的。

Methods:The rats with sepsis was established by administering endotoxin into the peritoneal cavity.The rats were randomly divided into 4 groups as follows:2,6,12 and 24 hours after administration of endotoxin,each group included normal control.We use the in vitro muscle incubation system with sufficient oxygen supply as well as amino acid automatic analyzer for detection of the proteolytic rate of extensor digitorium longus and soleusmuscle.

大鼠腹腔注射内毒素制成脓毒症模型，随机分成内毒素攻击后2、6、12和24小时组，每组设正常对照；利用骨骼肌充分氧供离体孵育系统，采用氨基酸全谱分析仪测定脓毒症大鼠伸趾长肌和比目鱼肌蛋白降解率。

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。