离子对

The study of HCI is interested in astrophysics, quantumchromo dynamics, hyperfine atomic structure and measurement of atomic mass.

高电荷态离子的研究对天体物理、量子色动力学、原子的精细结构和原子质量测量等研究领域都有着重要的意义。

When doping the rare earth elements in nano-TiO〓, the relationships between the photocatalytic activities and the ratio of electronic affinity to ionic radius of doped atomic ion were studied.

在稀土元素对纳米TiO〓光催化剂的掺杂研究中，发现催化活性与掺杂元素的稳定氧化态的电子亲和势与离子半径的比值Ea/r有较好的相关性，而与Ea/r〓的相关性相对较低。

The characteristics of the RF resonance method of ion extraction were analyzed to improve atomic vapor laser isotope separation by using the PIC-MCC code to simulate the RF resonance.

为较全面地了解RF共振离子引出方法的特性，使之更好地用于原子蒸气激光同位素分离，用PIC-MCC方法对其进行了模拟。

The Zn-Ti distances are 0.369 nm and 0.335 nm for the single-corner adsorption mode and double-corner adsorption mode, respectively. Therefore, the EXAFS fitting data, R1=0.371 nm, R2=0.332 nm, can be well distinguished for SC and DC mode respectively. The calculation results also showed that the optimized Zn-O average distance of Zn-O tetrahedron is about 0.200 nm, which agree with the EXAFS results.

用DFT方法对四配位水合Zn离子在簇Ti2O11H14上进行优化后发现，四配位的Zn-O平均距离为0.200nm；外层Zn-Ti结合存在两种稳定的吸附模式：单角吸附模式和更加稳定的双角吸附模式，其Zn-Ti距离分别为0.369和0.335nm。

Certain species or strains have evolved such tolerance, and some, for example certain strains of bent grass (毛状剪股颖 Agrostis capillaris), benefit from the reduced competition in soil containing heavy metal ions.

有时某些种类或品系对重金属浓聚物得耐受性还能发展进化，例如某些剪股颖(毛状剪股颖 Agrostis capillaris)生长在含有重金属离子的土壤中，以此来降低竞争压力。

The optimal separating condition of chromatography analysis was: Shimadzu VP-ODS 150mm4.6mm as chromatographic column; acetonitrile/water (12/88,V/V, Contained 1.25mmol/l phosphoric acid) as mobile phase with flow rate of 1.0ml/min. Macroporous ion exchange resins and activated carbon were applied to enrich the trace level impurities and the main impurities was determined by LC-MS and GC-MS.They were : Benzonitrile , 2-Methyl-8-hydroxyquinoline, 2,6-Pyridinediamine , O-ethyloxime Cyclo-hexanone and compound with 220 molecular weight .

采用离子树脂和活性炭吸附富集这些微量的杂质，并通过液质联用和气质联用对杂质进行了定性分析，鉴定了影响290nm吸收的主要杂质为苯甲腈，2甲基-8羟基喹啉，2，6二氨基吡啶，O-乙基环己酮肟和分子量220的物质。

The influence of reaction time, temperature, the acidity strength and amount of IL, on benzophenone yield were investigated.

考察了反应时间、温度、离子液体用量及Lewis酸性调变对反应的影响。

The products of the heme oxygenase reaction,free ferrous iron,carbon monoxide and biliverdin/bilirubin,are all biologically active molecules that may exert profound effects on cell survival and proliferation.

血红素加氧酶在神经系统广泛分布，其反应产物即铁离子、一氧化碳和胆色素都是生物活性分子，对细胞的生存和增殖有广泛的生物学作用。

ABSTRACT In the first Born approximation, the laser assisted ion-and positron-atom charge exchange collisions are studied.

本文在Born近似下，系统地研究了强激光场中裸离子与正电子对原子的电荷转移过程，在偶极近似下。

It is found out that those mineral materials composite could bring mutual advantages into action. With composition of those mineral materials, the concrete performance, particularly the performance of resistance to chloride ingression, has been improved more than any one of them alone.

由于其交互叠加效应的作用，复合掺合料对混凝土性能的改善，特别是对抗氯离子侵蚀性能的改善比单一掺合料更为优越。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐