发现物

The construction of recombinant UNPase provided a basis for the research on biocatalysed synthesis of adenosine. In comparison with uridine, inosine was the better donar of pentose-1-phosphorate. In the reaction mixture composed of 30 mmolL^(-1)inosine, 10 mmolL^(-1) adenine, and 30 mmolL^(-1) pH 7.5 phosphate buffer and 0.5% wet cells gave a high yield of 85.57% at 60℃ in 3h.

在此基础上研究了不同诱导条件对蛋白表达量的影响分别以肌苷和尿苷为核糖供体研究重组菌转化腺苷的条件，发现肌苷最适合作为核糖供体，在30mmolL^(-1)pH7.5的Na2HPO4-KH2PO4缓冲液中，以30mmolL肌苷和10mmolL^(-1)腺漂呤作底物，加入0.5%基因工程湿菌体60℃反应3h，腺苷的转化率为85.57%。

Three short geomagnetic excursions, the Go thenburg, Mono Lake and Mungo in the Brunhes Positive Polarity period, were revealed based on the studies of magnetostratigraphy, susceptibility and δ^18O of sediments in core WP 92-5 from the central temperature area of the Western Pacific Warm Pool, and the ages of them are 12.1--11.3 kaBP, 25.0--24.0 kaBP, and 31.0--28.0 kaBP respectively. Furthermore, the Younger Dryas and Heinrich cold events were also discovered in this core by the susceptibility record.

通过西太平洋暖池温区中心WP92－5柱样沉积物磁性地层学、磁化率和δ^18O等测试与分析，获得了布容正极性期内哥德堡、莫诺湖（Mono Lake和蒙哥（或Maelifell3个短暂的地球磁场漂移，它们发生的时间约12.1-11.3，25.0-24.0和31.0-28.0kaBP；并从该柱样的磁化率记录中发现Younger Dryas和Heinrich冷事件沉积层。

Younger Dryas is characterised by increased dinocyst influx and Operculodinium cetrocarpum content.O.cetrocarpum assemblage should be indicative of the cool and nutrient surface seawater,different from Spiniferites spp.assemblage or Protoperidinioid cyst assemblage reflecting respectively warm and cold sea-surface conditions.

通过92个样品分析，发现南海北部陆坡末次冰期以来沉积物中有机壁浮游藻类输入通量在新仙女木期和早全新世明显高于其它时期，新仙女木期的输入通量峰值及不同于Spiniferites spp。

It is only a matter of time before "we get a dot that's blue and Earthlike," said astronomer Bruce Macintosh of the LawrenceLivermore National Lab.

这只是个时间问题，&我们迟早会发现一个蓝色的类似地球的圆点&，劳伦斯·利物模国家实验室的天文学家布鲁斯·马迟帝师如是说。

The direct electroreduction of nitrite requires large overpotential on most electrode surfaces, however, various transition-metal complexes were proved to be good catalysts for nitrite reduction.

NO〓〓的直接电还原需要很高的过电位，但各种各样的金属配合物被证明是NO〓〓电还原的良好催化剂，而我们在实验中惊奇地发现一系列饱和未取代的和稀土取代的杂多化合物对NO〓〓还原产生良好的催化作用。

And the electroreduction process of nitrobenzene on WC powder electrode in basic solution is investigated by cyclic voltammetry, linear potential sweep and chronoamperometry. In the process of electroreduction of nitrobenzene on WC powder electrode, liquid phase mass transferring may be the control step.

并且也用循环伏安、线性扫描和恒电位阶跃等测试方法研究了碳化钨粉末电极在碱性介质中析氢和还原硝基苯的电化学特性，发现碳化钨在电催化还原硝基苯过程中，可能主要受反应物的液相传质控制。

The occurance of the three active compounds in entomogenous fungi was revealed for the first time.

该3种清除自由基活性物质都是首次发现存在于虫生真菌的代谢物中。

During a screening for free radical scavengers from metabolites of entomogenous fungi, we fond a fermentation broth of the strain RCEF 0881 of Hirsutella sp.

在一次对虫生真菌代谢物进行大规模的清除自由基活性物质筛选中，发现一种被毛孢（Hirsutella sp。

Using electronic microscopy and cytochemical methods, we studied the distribution changes of the cell ergastic substance and development of secondary vascular tissues. Development of secondary vascular tissue took on an inherent rhythm, showing alternation of dormant and differentiated stages in periodicity of one year, and the formation of secondary phloem and xylem was alternate.

利用电镜技术及细胞化学方法，研究了美洲黑杨次生维管组织的发育以及细胞内含物分布的变化，发现次生维管组织的发育具有内在节律性，在年周期中表现为分化期和休眠期交替出现；次生韧皮部与次生木质部交替分化形成。

The data shoewed that esculetin, resveratrol enhanced LPL expression up to about 1.2 ~3.5 fold compared with the control group. In addition to fibrates, however, no effect on LPL expression by curcumin was observed. We concluded that esculetin and resveratrol enhanced LPL expression on CHO-K1 cell. We hope that we can apply these drugs to mutant form LPL, furthermore apply theses drugs into clinical treatment.

利用药物处理有转染带有完整人类脂蛋白解脂酶启动子和脂蛋白解脂酶cDNA 序列(-1715 ~+1643)质体的CHO-K1细胞，从细胞培养液以及细胞溶解物中发现，除了curcumin之外所有药物都可以使得细胞培养液以及细胞溶解液内的脂蛋白解脂酶活性有1.2至3.5倍的上升，由此结果可知除了curcumin外，esculetin和白藜芦醇以及其他fibrate药物可降低三酸甘油脂血症。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。