查询词典 ions

The present thesis aims mainly at studying power absorption of high frequency electromagnetic waves in partially ionized plasma layer in atmospheric conditions, with effects of negative ions in atmosphere, collision rate between electron and neuter gas, the external magnetic field, and nonlinear effects on power absorption of high frequency electromagnetic waves in partially ionized plasma layer under atmospheric conditions.

本文主要研究了高频电磁波在大气压等离子体层中传播和吸收的特性，着重考虑了大气中的负离子、电子与中性气体的碰撞频率、外加磁场、以及非线性现象对高频电磁波在大气压等离子体层中的传播的物理机制和吸收的影响。

The ionizer can keep the NAIs concentration above 3.02×105 ions/cm3 in the breathing space. This study investigated the distribution of control efficiency for four kinds of bioaerosols, and compared the difference of them.

研究结果发现，空气负离子在呼吸范围中的浓度分布在面部前方5 cm处最高，随与空气负离子产生源距离增加而衰减，由於面部会中和负电荷，故也会使空气负离子浓度骤减。

The SI source is an array of microhotplates fabricated by microelectromechanical systems process. Besides as an ionizer, this source acts as an ion grid which can be used to inject ions into the drift region of drift tube periodically.

表面离化源为采用微机电系统工艺加工的微热板阵列，除了作为离子产生器，还作为漂移管的一个离子栅，用以实现离子向漂移区的注入。

The phenomenon was apparently caused by a reaction between the exhaust gases and ionospheric oxygen ions.

此现象明显是由于废气和电离层的氧离子之间的相互作用产生的。

If the first line of pigments for composite color or chemical pigments, due to pigments contain iron, lead ions, blue, black pigment may have light after removing traces of India, one and a half months after treatment again.

如果患者当初纹的色料为复合色料或化工色料，由于色料中含有铁离子、铅离子、蓝、黑色素祛除后可能有浅色痕印，一个半月后可再次进行治疗。

If the first line of pigments for composite color or chemical pigments, due to pigments contain iron, lead ions, blue, black pigment may have light after removing traces of India, one and a half months after treatment again.2.1064nm laser treatment of black and blue pigments, the operator to the treatment of patients with a brief description of the principles and after conditions avoid patients do not understand the surgery, postoperative reflect and recovery processes, unnecessary disputes.

假如患者当初纹的色料为复合色料或化工色料，由于色料中含有铁离子、铅离子、蓝、黑色素祛除后可能有浅色痕印，一个半月后可再次进行治疗。2、用1064nm激光治疗黑色及蓝色色素时，操作者向患者简要说明治疗原理及术中术后可能出现的情况避免由于患者不了解手术情况、术后反映及恢复过程，而产生不必要的纠纷。

In this study, the reduction of hexavalent chromium in aqueous solutions by limonite was investigated. The influences of limonite addition, initial Cr concentration, pH value, reaction temperature, the size of ironstone particles and other ions were tested in batch experiments.

本文采用褐铁矿对水中Cr进行处理研究，考察了褐铁矿投加量、Cr初始浓度、pH值、反应温度、铁矿石粒径大小以及添加不同物质等因素对褐铁矿去除效果的影响。

The complete diagonalized Hamiltonian matrixes of order 120 of 3d~3/3d~7 ions configuration in the trigonal symmetry have been established by irreducible representation method and group theory,taking spin-orbit interaction,spin-spin interaction and spin-other-orbit interaction into account.

应用不可约张量方法和群的理论构造了三角对称晶场中考虑自旋-轨道相互作用，自旋-自旋相互作用和自旋-其它轨道相互作用的3d3/3d7态离子的可完全对角化的120阶微扰哈密顿矩阵。

The completely diagonalized Hamiltonian matrixes of order 120 of 3d3/3d7 ions configuration in the trigonal symmetry have been established by irreducible representation method and group theory,taking into account spin-orbit interaction and spin-spin interaction.The ground-state energy levels,the zero-splitting parameter and Jahn-Teller effect of ruby crystal were calculated with the matrixes.

应用不可约张量方法和群的理论构造了三角对称晶场中考虑自旋-轨道相互作用，自旋-自旋相互作用的3d3/3d7离子的可完全对角化的120阶微扰哈密顿矩阵，利用该矩阵计算了红宝石晶体的基态能级、零场分裂参量和Jahn-Teller效应，研究了自旋-轨道的自旋二重态对基态能级的贡献，证明其二重态对基态能级的贡献是不可忽略的，理论计算值与实验值相符合。

Due to the existence of the interferent of the stable isobar Ru and molecules ions, the common Mass spectrometry is also difficult to detect the ~(99)T...

本工作得到国家自然科学基金(批准号：10576040)的部分支持，目标是建立AMS测定~(99)Tc的理想方法。

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。