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The prepared powders were characterized by XRD, UV-Vis, FTIR, N_2 adsorption, Fluorescence spectroscopy, etc. N-doped TiO_2 evidently shows its absorbance shoulder shift into visible light region. Moreover, N-doping retards the transition of TiO_2 from anatase to rutile type as well as restrains the growth of the crystal size which leads to less decrease of surface area. These characteristics are considered to benefit the photoactivity of TiO_2; When all the samples were applied to the photodecomposition of Methylene Blue under visible light(λ＞400 nm), the N-doped TiO_2 show an obvious superiority when compared to the undoped TiO_2, the active hydroxyl groups are found to play a important role in this high photoactivity; When the same experiment was performed under UV light, all the samples show the consistent sequence of photoactivity as in the visible light.

通过UV-Vis、XRD、BET、IR、FL等表征手段测试表明：掺氮不仅使TiO_2的光吸收区域拓展到可见光区，而且有利于延缓TiO_2晶相的转换，从而抑止了高温煅烧下所引起的晶粒增大以及比表面积的降低，且氮源浓度越高，此现象越明显，这些特征都有利于催化剂光催化活性的提高；在主波长大于400nm的可见光催化亚甲基蓝实验当中，掺氮TiO_2的光催化活性明显优越于未掺氮样品，亚甲基蓝在90min内达到88％的脱色率。

Researchers analysed each of her messages to the Commonwealth since her 1952 accession using digital technology to track the shift in her pronunciation from the aristocratic Upper Received to the less plummy Standard Received.

研究人员对女王1952年即位以来的每个圣诞致辞进行了分析，并采用数码技术对她的贵族式发音向标准发音的转变进行了追踪记录。

The debate took place against the background of increasing industrialization and a shift in the economic paradigm from one that emphasized the role of individual capitalism – the world of owner-managers – to one in which social capital – the pooling of many investors' capital in enterprises run by agent-managers – predominated.

登录后回答可以获得积分奖励，并可以查看和管理所有的回答。登录|举行辩论的背景下提高工业化和转变经济范式从一个强调的作用，个别资本主义-世界上的所有人，管理人-一个在社会资本-汇集众多投资者的资本在企业由代理经理-为主。

Methods Among 123 patients suffered from actue inferior myocardial infarction,45 with ST segment depression in leads V1～6 and 78 without precordial ST segment shift were evaluated and compared.

对45例合并胸前广泛导联(V1～6)ST段压低的病人和78例不合并胸前导联ST段压低的急性下后壁心肌梗塞患者进行临床和心脏超声检查的比较研究。

First order sea echo, which contain the information of ocean surface current, is firstly separated from sea echo through prepossessing. MUSIC is then applied to extract the bearings of the signals at every Bragg shift.

该算法首先通过预处理从海洋回波中分离包含海流信息的一阶回波，然后针对其中可分辨的每一个Doppler频移上的信号，采用MUSIC算法求其多个存在方位。

In the promotion, developers will shift attention from the print media network.

在促进，开发商将转移注意力从印刷媒体网络。

Pyronine B adheres to on the surface of CdS and prevents CdS aggregating, which leads to the decrease of fluorescence quantum yield of CdS. Fluorescence resonance energy transfer happens from CdS to Rhodamine B, Butyl rhodamine B and Rhodamine 6G, respectively. There is a higher FRET efficiency between CdS and Neutral red with the value being 0.282. Moreover, coupling reaction between -NH_2 of Neutral red and -COOH of CdS -TGA leads to red shift of CdS fluorescence spectrum. The reaction also occurs between Safranine T and CdS. At the same time, the Fluorescence of ST is quenched by forming ST -CdS ground state complex. Chapter 6, CdS QDs modified by chitosan and polyethyleneimine can be quenched by Cu~(2+). According to the experimental result, we develop the novel sensor for Cu~(2+).

研究结果，吡啰红与CdS之间作用形式是染料聚集在CdS的表面使得CdS不易聚集，但同时也降低了CdS的发光的量子效率；罗丹明B、罗丹明6G、丁基罗丹明B均与CdS之间存在能量转移，位阻效应使得能量转移效率最高的BRhB的相对荧光强度增大最小；中性红与CdS的能量转移效率更高，同时推测可能使CdS-TGA上的-COOH与部分NR的-NH_2发生偶联导致粒子变大而发生荧光光谱的红移；番红花红与CdS是相互荧光猝灭，可能是ST的-NH_2与CdS-TGA上的-COOH发生偶联使得纳米粒子变大以及二者形成基态复合物的共同作用的影响。

SunTour's Power shift levers included a small ratchet wheel that disconnected the friction from the lever when pulling on the cable.

山图的权力转移杠杆包括一小部分棘轮的断开时，电缆拉杠杆的摩擦。

Men do not shift readily from the grenade to the rifle and back again as enemy movement might seem to require.

士兵们并不乐意从手榴弹换用步枪并在急需应对敌人的行动时又换回手榴弹。

To the satisfaction of workers from night shift, they offer round-the-clock service.

使夜班下班工人满意的是他们提供通宵服务。

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