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We have synthesized fourdioxotetraamine ligand appended with fluorenyl group and their transition metal complexes.The crystal structures of the complexes were determined by x-ray diffraction. Stability,electrochemistry and switch properties in aqueous solution was studied by pH-potentiometricand fluorimetric titration as well as cyclic voltammetry.

合成了带侧链荧光基团—芴的二氧四胺配体及其过渡金属配合物，测定了过渡金属配合物的晶体结构，研究了他们在水溶液中的稳定性、电化学性质和荧光开关性质。

Nevertheless, its fluorescence is enoughintense to be investigated the switch properties in aqueous solution. 5. The results of fluorimetric titrations and spectrophotometric titrations indicate that,for 〓 and 〓, fluorescence of fluorenyl was quenched by transfer of electron from metalcenter to photoexcited state of fluorenyl during coordination of Cu or Ni.

在酸性条件下，未配位的〓和〓都有荧光，在中性及弱碱性条件下与金属铜、镍离子配位后，发生光诱导电子转移，电子由金属离子中心转移至激发态的芴基而使其荧光猝灭。

Fumbling around in the dark, I was able to find the light switch and flip it on. Nothing.

在黑暗中四处搜索，我可能找到灯的开关，在上面弹了几个，没动静。

Switch fields and AVAYA, 3D Networks, Alcatel ALCATEL, Samsung, Toshiba, Panasonic, Siemens, Paul Tang, and other manufacturers to maintain long-term stable cooperative relations with POLYCOM Polycom video conferencing, VCON, Ted, Rui Fute, and other manufacturers in close cooperation.

交换机领域与AVAYA、3D网络、阿尔卡特ALCATEL、三星、东芝、松下、西门子、国威等厂商保持长期稳定的合作关系；视频会议与POLYCOM宝利通、VCON、泰德、瑞福特等厂家密切合作。

In the last chapter, the author gives the comment on the futural development of the optical waveguide switch array.

在论文的最后，作者谈了对光波导开关列阵未来发展的看法。

There is w ireless signal control in two independent spaces including above and below the top controlling. Switch controlling untouchably can solve the safe problems fundamentally .

智能空间实现二个独立空间的无线信号控制，开关控制无接触，从根本上解决安全问题

The products are widely applied in the fields such as electronics, electrical appliance, switch, lamps, stationery, furniture, leatherware, case, umbrella, baby carriage, sports equipment and scissors

产品广泛用于电子、电器、开关、灯饰、文具、家具、皮具、箱包、伞、童车、运动器材、剪刀等各行业产品。

Spacious factory in 1993 MICROTHERM GMBH of Germany to introduce the technology, the Asia-Pacific region and become its sole distributor, manufacturing and various types of specifications on its thermostats, temperature controllers and various thermal switch.

敝厂於1993年引进德国MICROTHERM GMBH的技术，并成为其亚太区唯一总代理，制造及代理其各式规格的恒温器、温度控制器及各种热能开关。

In this paper , a class of nonblocking property of Banyan network is discussed, then some useful examples are demonstrated through application to ATM switch design.

本文讨论Banyan网的一类非阻塞特性，说明它们在ATM交换机设计中的应用——通过数据分布提高ATM交换机的负载均衡能力，用更小的硬件代价实现多目广播功能。

In discharging, metal wall panel on snaptype nucleolysis tension control operations, as well as the whole machine is equipped with a start, stop, and emergency stop switch.

在不播料、播料墙板上不兴拆有压力把持操息盘外，还拆有零台机械启不静、罢手及弁急罢手开关。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。