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The photoionization mass spectrum and thephotoionization efficiency curves of the fragment ions are measured.

通过测量各离子的光电离效率曲线，获得了该分子的电离势和所有碎片离子的出现势。

The motion of the ions can be expressed by Mathieu Equation and its stability diagram.

析器中离子的运动在数学上可用二阶线性微分方程Mathieu 方程的解来描述，利用离子在Mathieu 方程解

The ion motion in such an electric field is derived,and the stability of ions is presented in the a-q diagram which is commonly used for sinusoidal wave quadrupole mass spectrometry in association with the solution of Mathieu Equation.

本文推导了离子在矩形波四极场中的运动规律，并以常用于正弦波四极场的马绍方程参量a，q来表出离子的稳定性。

In this thesis, we studied the interaction of metal ions with Spirulina maxima, the effects of different environm...

本文主要从两方面研究极大螺旋藻与金属离子之间的相互作用。

In this paper,the geographical distribution,profile shape and char- acteristics of major soil types such as the young brown earth,brown earth and meadow brown earth in the eastern low-mountain and hilly region and the meadow soil,saline meadow soil and paddy soil in the western plain region in Haicheng county of Liaoning Province are diseribed;the primary physico-chemical properties,organic matter,total nitrogen,total phosphorus,total potassium,total exchange of positive ions,the content of.01 physical cl...

本文叙述了海城县东部低山丘陵区的棕壤性土、棕壤、潮棕壤和西部平原区的草甸土、盐化草甸土及水稻土等主要土壤类型的地理分布、特性、剖面性态；论述了这些土壤类型的主要理化性质，有机质、全氮、全硷、全钾、阳离子代换量、。01物理性粘粒含量等及微量元素的含量、丰缺程度。根据主要土壤类型的性质和特点，作者提出了棕壤、草甸土两大土类的合理利用意见及其改良措施。

Ions' bombardment and molecular' mean free path will have a strong effect on film' growth, thus, they will have an obvious effect on the characteristics of SiN film, such as deposition rate, stress and thickness uniformity, etc.

离子轰击效应和分子平均自由程对氮化硅薄膜的生长过程产生影响，从而影响沉积速率、应力以及厚度均匀性等基本性质。

The actions of mechanical activation, ultrasonic wave and some catalytic ions have been examined experimentally, respectively.

考察了机械活化、超声场及某些金属离子对发电浸出的强化及催化的影响。

The conditions and mechanism of removing fluoride ions from water by activated meerschaum have been investigated in this paper.

对海泡石除氟条件及机理进行了实验探讨。结果表明，海泡石经过活化改性后，具有降低水中氟离子含量的作用。

Some major factors that effecting the treating process such as treating time and pH,concentration of fluoride ions,amount of meerschaum are studied.

活化海泡石与含氟溶液的作用时间、海泡石用量、水中氟离子浓度以及酸度等因素都会影响除氟效果。

Unchanged meerschaum ; adsorption property ; heavy metal ions ; wastewater treatment

改性海泡石；吸附性能；重金属离子；废水处理

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。