氢离子

The reaction mechanism for the formation of ultimate carcinogens diazohydroxide, diazonium and oxoniumions by α-hydroxylation-NPYR and the alkylation process of C and guanine were investigated including solvent effects at the B3LYP/6-31G(superscript **) level.

采用密度泛函理论，在B3LYP/6-31G水平上，研究了气相和水溶剂中，α-羟基化吡咯烷亚硝胺(-αhydroxylation-NPYR， A)代谢为终致癌物重氮氢氧化物、重氮烷阳离子和氧离子，以及C与鸟嘌呤碱基相互作用的反应机理。

Dynamics of adsorption for zinc ion using aluminum dihydrogen tripolyphosphate is studied by dynamic absorption method.

采用动态吸附法研究三聚磷酸二氢铝吸附锌离子的动力学行为并进行吸附机理的探索。

The synthesis methods of ethyl lactate catalyzed by P-toluene sulfonic acid, cationic exchange resin, ferric chloride hexahydrate, stannous chloride, Aluminium chloride, modified zirconium oxid, ferric-potassium vitriol, ammonium ferric sulfate dodecahydrate, rave earth sulfate, sodium bisulfate monohydrate, complex solid superacid, heteropoly acid, molecular sieve, ionic liquid and lipase etal.

评述了对甲苯磺酸，阳离子交换树脂，六水三氧化铁，氯化亚锡，三氯化铭，改性氧化锆，铁钾矾，十二水合硫酸铁铵，稀土硫酸盐，一水硫酸氢钠，复合固体超强酸，杂多酸，分子筛，离子液体和脂肪酶等催化剂催化合成乳酸乙酯的合成方法。

In the thesis, we wish to report the synthesis and structures of a series of new type rigid conjugated nanometer-sized fulvene ligands, and coordination polymeric compounds based on both metal-carbon and metal-heteroatom interactions and also H-bonded supramolecular architectures generated from this new type of fulvene ligands.

基于此，我们合成了一系列刚性共轭的纳米级富烯类配体，并以之与过渡金属离子反应合成了同时基于金属-碳和金属-杂原子两种键合作用的有机-无机配位高聚物及以氢键作用为驱动力的超分子聚集体。

Three new fulvene polymeric compounds, namely 1[Ag (L3]CH2C12 , 2[Ag2(L25(H2O)(S03CF3)2]0.5C6H6 and 3 Mn(L42(C2H5OH)2 , were synthesized, respectively. Compounds 1 and 2 reported herein represent the organometallic polymers based on both Ag-N and Ag-C coordination interactions. In the solid state, compound 3 are bound together by strong intermolecular N H-O hydrogen bonding system into a supramolecular one-dimensional H-bonded chain.B.

一、富烯有机配体的合成及与金属离子的反应化学利用富烯负离子的芳酰化反应和Heck-偶联反应合成了富烯配体L1-L18，并合成了三个基于富烯配体的金属有机配位聚合物1[Ag(L3]·CH_2Cl_2、2[Ag_2(L25(H_2O)(SO_3CF_3)_2]·0.5C_6H_6和氢键驱动的超分子聚集体3Mn(L4_2(C_2H_5OH)_2。

Methods 36 cases of UE with sustaining hemodialysis between March 2008 and June 2009 was retrospectively analyzed,20 of which received hemoperfusion online continuous venovenous hemofiltrationand 16 only underwent continuous venovenous hemofiltration.Heartrates,mean arterypressure,APACHEII score,kalium ion,hydrocarbonic radical,blood urea nitrogenand serum creawere detected before and aftertherapy.

回顾性分析我院2008年3月至2009年6月维持性透析合并尿毒症脑病的患者36例，其中20例行血液灌流串联连续性静脉-静脉血液滤过，16例行单纯连续性静脉-静脉血液滤过，比较两组治疗前后心率、平均动脉压、APACHEⅡ评分、钾离子、碳酸氢根、尿素氮、血肌酐变化以及神经精神症状缓解情况和到达缓解所需时间。

However, these two factors are not independent in a finite β plasma, especially in a pure hydrogenic plasma without fast ions where βe /βi=Te/Ti .

在没有快离子的纯氢等离子体中存在着这样的关系：β e /βi=Te/T i 。

Based on calculating the first-order corrections to the energy from relativistic and mass-polarization effects, we estimate the higher-order relativistic contribution and QED correction to the energy under a hydrogenic approximation. The transition energies, wavelengths and oscillator strengths for the 1s23s-1s2np transitions of this ion are calculated.

在计算相对论效应和质量极化效应对体系能量的一级修正的基础上，通过引入价电子的有效核电荷，在类氢近似下，估算了对能量的高阶相对论修正和QED修正，计算了该离子1s23s-1s2np的跃迁能，波长和在三种规范下的振子强度。

Last, the Eigenenergies of isoelectronic series change against screening parameterλhas been discussed, it's shown that the plasma screening effects are decreasing as nuclear charge increasing.

最后，我们分析了等离子体环境中类氢等电子序列离子的能级和波函数随屏蔽参数λ的变化规律，发现随着原子序数增大，等离子体屏蔽效应的影响逐渐变小。

Acidic ion-acidic resin can also be used as a catalyst for organic synthesis, it's used instead of concentrated sulfuric acid can be catalyzed synthesis of dihydro-coumarin compounds [1], High purity isopropenyl acetate [2] and other organic compounds.

酸性离子酸性树脂也可作为一种有机合成催化剂，用它替代浓硫酸可催化合成二氢香豆素类化合物[1]，乙酸异丙烯酯[2]等有机化合物。

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。