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Transition probabilities, oscillator strengths, and lifetimes of configurations, multiplets, and individual lines for many-electron atoms and ions are studied employing the WBEPM theory. Transition probabilities and oscillator strengths for alkali metal atoms, alkaline-earth elements Be, Mg, Be , and Mg , carbon atoms and its ions , nitrogen atom and its ions , oxygen atoms and its ions , fluorine atom, Ne , and IB elements are calculated. Lifetimes of C, N, and O atoms are evaluated as well.

运用WBEPM理论对多电子原子和离子的组态、谱项和能级间的跃迁几率、振子强度以及辐射寿命进行系统地研究,计算了碱金属原子、碱土金属的Be、Mg原子及其一价离子、C原子及其离子、N原子及其离子、O原子及其离子、F原子、Ne离子和重金属IB族原子的跃迁几率和振子强度以及C、N、O原子的辐射寿命。

Titanium ions were implanted into quartz and quartz coated with Ti film by MEVVA ion source implanter. The dose was 3×10^16 ions/cm^2 and 5×10^16 ions/cm^2. The ion energy and depth distribution were analyzed using simulation method.

为提高石英玻璃表面金属化膜层与基底的结合强度,利用金属蒸发真空弧离子源引出的Ti离子对石英玻璃及镀Ti膜石英玻璃进行离子注入,剂量选择3×l0^16 ions/平方公方,5×10^16 ion/平方公分,模拟分析了注入离子能量的分布。

We review the effect of rare earth ions on bone metabolism as the following three aspects:(1) effect of rare earth ions on differentiation and function expression of osteoblasts and osteoclasts;(2) effect of rare earth ions on the osteogenic and adipogenic differentiation of bone marrow stromal cells;(3) effect of rare earth ions on bone mineral phase of animals.

本文回顾了稀土离子对骨代谢影响的研究进展,探讨了其药用和安全性问题,主要从以下三个方面进行综述:(1)稀土离子对成骨细胞和破骨细胞的分化和功能表达的影响;(2)稀土离子对骨髓基质细胞成骨分化和成脂分化的影响;(3)稀土离子对动物骨矿物相的影响。

We review the effect of rare earth ions on bone metabolism as the following three aspects:(1)effect of rare earth ions on differentiation and function expression of osteoblasts and osteoclasts;(2)effect of rare earth ions on the osteogenic and adipogenic differentiation of bone marrow stromal cells;(3)effect of rare earth ions on bone mineral phase of animals.

本文回顾了稀土离子对骨代谢影响的研究进展,探讨了其药用和安全性问题,主要从以下三个方面进行综述:(1)稀土离子对成骨细胞细胞和破骨细胞的分化和功能表达的影响;(2)稀土离子对骨髓基质细胞成骨分化和成脂分化的影响;(3)稀土离子对动物骨矿物相的影响。

The metal ions of the dinuclear copper complex of [Cu_2_2Cl_4] are linked by two N~1,N~2 1,2,4-triazole bridges,and the central Cu ions have distorted trigonal bipyramid geometries. The central Cu ion of [CuL22]·H2O has a centrosymmetric and distorted tetragonal-octahedral geometry. The metal ions of the dinuclear manganese complex of [Mn_2L_2_2Cl_2(H_2O)_2] are bridged by two chlorine atoms, and the central Mn ions have distorted tetragonal-octahedral geometries. Part III.

配合物[Cu_2_2Cl_4]是通过配体L的1,2,4-三唑环上两个氮原子(N~1,N~2)桥联形成的双桥双核配合物,每个中心铜离子都具有畸变的三角双锥构型;配合物[CuL22]·H_2O的中心铜离子具有中心对称的畸变八面体构型;配合物[Mn2L2_2Cl_2(H_2O)2]是通过两个氯原子桥联形成的双桥双核配合物,每个中心锰离子都具有畸变的八面体构型。

The results of magnesium and calcium ions tolerance test indicated that the modified SPS, synthesized from the above two methods,has good chelation with magnesium and calcium ions for the crablike carboxyl and ester group and increase the reaction weight with magnesium and calcium ions for addition of hydrophilic group.Both of the two modified petroleum sulfonates could produce ultra-low interfacial tension at calcium and magnesium ions concentration lower than 600 mg/L,whereas the general petroleum sulfonates could only produce ultra-low value below 300 mg/L.

耐钙镁离子能力测试结果,以大庆炼化公司两种渣油为原料,采用上述两种合成方法制备的改性石油磺酸钠,由于产物中引入蟹爪状羧酯基,对钙镁离子有较强的螯合作用,同时增加了亲水基,增大了表面活性剂分子与钙镁离子的反应量,因而在600mg/L的钙镁离子溶液中获得10-3级的超低界面张力;而普通石油磺酸钠仅能在300mg/L的钙镁离子溶液中获得超低界面张力。

On the silicon substrate an epitomical layer is made,where IC components are formed subsequently.In an CVDprocess,the silicon substrates places in a vacuum crystal tube are first heated to 1,600°C by high-frequency radio power and then H⒉Cl⒉Si and certain gaseous compounds of As or P is injected into the tube to make a deposit of several um on their surface.Ions of As or P are impurity deliberately added to the singl-crystalline silicon structure to supply electrons that transmit "negative"current in the silicon crystals,which is called n-type silicon.Bcan be added as impurity to produce p-type silicon that supplies holes for transmitting "positive"current.Whether a p--type of an n-type silicon substrate is needed depends on what type of transistors is expected to be manufactured on it:n-p-n type of p-n-p type

对硅衬底上的一个epitomical层了,而IC零件形成subsequently.in一个CVD法(化学气相depsition )过程中,硅衬底的地方在真空晶体管均先加热至1600 ° C时,由高频率的无线电功率,并然后h ⒉氯⒉硅和某些气态的化合物,砷或P ,是注入试管,使存款的几位嗯对他们surface.ions的作为或P是杂质刻意添加到单结晶硅的结构,以供应电子传递的&负面&目前,在硅晶体,即所谓N型silicon.b ,可以增加一条,作为杂质产生的p型硅供应孔转递&积极& current.whether一个P -类型的一个n型硅衬底,是需要靠哪些类型的晶体管预计将在制造上它: NPN型的PNP型

The complexing properties of compounds 10a, 10b, 11a and 11b toward alkali metal ions were studied by 〓H NMR titration, ESI-MS, UV-Vis spectra, Fluoresence spectra and liquid-liquid extraction. The results show:(1) the 1:1 complexes were formed.(2) The calix-crown 10a, 11a have a higher selectivity for Na〓 ions, whereas 10b, 11b for K〓 ions.(3) The complexing ability toward alkali metal ions was enhanced when the calix-crown have side arm carbonyl.(3) The coordination of alkali metal ions toward phenoxy, carbonyl and crown ethereal oxygens take place by rotation around the carbon-carbon bond of carbonyl and methylene.

六,用〓H NMR滴定,ESI-MS,UV-Vis,Fluorescence,液-液萃取实验研究了10a,10b,11a和11b对金属离子的配位性质,研究结果表明:1)杯芳烃冠醚衍生物同碱金属离子形成了1:1配合物,化合物10a、11a对Na〓具有较高的配位能力,化合物10b、11b对K〓具有较高的配位能力;2)在杯冠醚环的旁边引入带有羰基氧原子的基团作为侧臂参与配位可以加强对碱金属离子的配位能力;3)金属离子分别同苯酚氧,羰基氧,聚氧醚链氧发生了配位,配位过程中侧链基团涉及到了羰基碳与亚甲基碳的碳碳键的旋转过程。

In the chapter 4, the HPLC analyses of Uridine and Thymidine implanted by ions with high energy are done. The result shows that the dose effect curves of ions with high energy are almost the same to the dose effect curve of ions with low energy. At the beginning, the damage of implanted ions to the sample is large, with the dose increasing, the damage drops sharply.

第四章对高能离子辐照尿苷和胸苷做了HPLC分析,结果表明高能离子辐照胸苷和尿苷样品的剂量效应曲线和低能离子基本相同,都是在注入初始阶段对样品的损伤比较大,随着剂量的增大,损伤迅速减小。

The irradiation effects of C60 films induced by 0.98GeV Fe ions at the same electronic energy loss of 3.5keV/nm and different irradiation dose ranging from 5×10^10 to 8×10^13 ions/cm^2,were analyzed by Raman scattering and Fourier transform infrared spectroscopes.

利用傅立叶转换红外光谱和Raman谱仪分析了0.98 GeV的Fe离子在电子能损S为3.5keV/nm时,不同辐照剂量(5×10^10-8×10^13 ions/平方公分)下,在C60薄膜中引起的辐照损伤效应。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。