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Let x: M→S(superscript n+1)(n≥3) be a hypersurface in the (n+1)-dimensional unit sphere without umbilic points. Denote the Mbius metric, the Mbius form, the Blaschke form and the Mbius second fundamental form of x by G,Ф, A and B, repcectively, which are Mbius invariants in Mbius differential geometry.

设x： M→S(上标 n+1)(n≥3)是n+1-维单位球中的无脐点超曲面，Mbius不变量G，Ф，A和B分别表示x的Mbius度量，Mbius形式，Blaschke形式和Mbius第二基本形式。

The adsorption and photochemical reduction process of Cd(superscript 2+) at the surface of nanocrystalline TiO2 was investigated by quartz crystal microbalance.

用石英晶体微天平现场技术研究了Cd(上标 2+)在纳米TiO2表面的吸附与光化学还原过程。

The ORF of profilin of Caryota mitis pollen was amplified by RT-PCR using specific primers and cloned into the expression vector pET-28a. The recombinant Caryota mitis pollen profilin was expressed in Escherichia coli BL21 (DE3). The recombinant protein was purified by affinity chromatography using Ni(superscript 2+) coupled sepharose.

然后设计带有酶切位点的特异性引物，采用RT-PCR获得整个短穗鱼尾葵花粉profilin的开放阅读框，将其与pET28a载体连接并转化大肠杆菌BL21(DE3)进行诱导表达，通过Ni(上标 2+)亲和层析柱对重组蛋白进行纯化，采用Western-blot检测其IgE结合活性。

The equilibrium molalities of ReO4(superscript -) were measured at ionic strengths from 0.1 to 2.0 molkg^(-1) in the aqueous phase and at constant initial molality of extractant in the organic phase at temperatures from 278.15 to

在N235+(NH4)ReO4+n-C7H16+HCl+H2O体系中，在温度278.15~303.15 K和离子强度0.1~2.0 molkg^(-1)范围内，以NH4Cl为支持电解质，在HCl体系中测定了萃取平衡水相中ReO4浓度和pH值。

The results show that the ground state structures of CB(superscript -)(n=1~6) clusters are linear as C clusters due to their isoelectrons. For CB (n=1~6) clusters, the ground state structure of C2B is asymmetric triangle and C6B is C(subscript 2v) symmetry planar monocycle, while the other clusters are linear.

结果表明CB(n=1~6)团簇的基态构型均为线形，这与等电子的C簇合物的结构是一致的；CB(n=1~6)团簇的基态构型中，除C2B为不对称的三角形，C6B为具有C(下标 2v)对称性的环状结构外，其余均为线形结构。

A phylogenetic tree of K(superscript +) channels from Nicotiana tabacum, Arabidopsis thaliana and related plants was constructed.

构建了一个烟草、拟南芥及相关植物K通道蛋白的系统进化树。

Objective: To compare the effects of Zn(superscript 2+) on the P2X receptor-mediated, ATP-induced currents in neurons separated from rat superior cervical ganglion, nodose ganglion, and otic ganglion.

目的：在大鼠颈上交感神经节、结状神经节和耳副交感神经节分离的神经元上，分别比较了Zn(上标 2+)对P2X受体介导ATP诱导电流的调制作用。

Nucleon can be excited to △ and N(superscript *) at CSR energy region.

在CSR能量区域内，核子可以激发为△和N。

Reservoir exploitation presently focuses on the upside of Chang 6(superscript 2-2), and the transition zone carrying remaining oilcan be prospected and exploited in the next step.

目前油藏开发集中于长6(上标 2-2)的上部砂体，中部粒度细的过渡带聚集着低于目前工业价值的剩余油，可以作为下一步油气勘探开发的重点。

SCE on second order differential oscillogram, and the height of this pair peak of β-CD on the oscillogram decreased with the increase of Cu(superscript 2+) or rutin, phenobarbital, L-plenylalanine and amantadine hydrochloride concentration.

SCE处产生一对可逆、灵敏的峰，当加入Cu(上标 2+)、芦丁、苯巴比妥、L-苯丙氨酸、盐酸金刚烷胺等金属离子或有机物时，β-CD的二次微分示波图上的峰高降低。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷