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A study of Chemically Induced Dynamic Poiarization spectra is made, using a highly time resolved ESR, of photolized anthracenequinone radicals to determine the influence of surfactant micelles on the spin polarization of anthracenequinone anion. It is found that the CIDEP mechanism of photolization is mainly the radical pair mechanism of anthracenesemiquinone radical and of ethylene glycol ketyl R〓〓 or R〓 radical whose center is carbon in anthracenequinone/ethylene glycol system, but there is a certain amount of triplet state mechanism polarization.

分别研究了胶束和微乳液的"笼效应"对蒽醌和苯醌的光解CIDEP的影响,其结果如下:(1)对于蒽醌的CIDEP,在乙二醇溶剂中,极化的蒽醌自由基AQ〓和R〓自由基通过光解经过夺氢反应产生,其CIDEP机理主要是自由基对机理,但也包含了一部分三重态机理。

On the base of the search model"s analyze, this article analyze and discuss the principle and implement of the fashion Search Engine"s several technology, for example Innernet"s Building, Chinese Syncopate, Auto-Briers Building, the Search Result"s Rank and Several Level Intellective Search Agent.Now, full-text search is a mature technology. Its searchs the all and the one is success. But its accuracy is lack. In fact, the two technologies(Chinese Syncopate and Auto-Briers Building) should be broke through. To Chinese Syncopate, this paper brings forward a new technology that the partial adjust will be brought into effect after the Chinese is syncopated and the notional document brief is put forward to Auto-Briefs Building.

本文在对检索模型分析的基础上,重点对当前流行的搜索引擎中的几大技术(知识库的建立、中文切分、自动文摘的生成、检索结果的排序、多级智能检索代理的实现)的原理、实现进行了分析和探讨;目前,全文本搜索技术作为一种比较成熟的技术,其查全率方面已经做得比较好,但它的查询精度确有待进一步提高,究其原因是:"中文切分"和"自动文摘的生成"这二项技术有待突破,本文中,对"中文切分"提出了切分算法加局部调整技术,对"自动文摘的生成"提出了"概念化的文档摘要",以期能够起到抛砖引玉的作用。

As a result, retransmission signal error rate characteristics are improved on the receiving side by despreading this code division multiplexed signal using the same plurality of spreading codes as on the transmitting side, and selecting or combining the despreading results with the greatest correlation power thereamong.

其结果,在接收端使用和在发送端相同的多个扩频码解扩该码分复用信号,选择其中相关功率最大的解扩结果或者是加以合成就能够提高重发信号的差错率特性。

You should make affairs be simple and exact if you could not find out main market development method, then you could improve your executive power, or you could not get unpleased result at last even you pay great efforts.

虽然市场操作方法千万种,但适合于我们的只有几种,任何企业的资源都是有限的,如果你不能找到发展市场的主线,把复杂的事情简单化、准确化,变为自己可以执行的、落实的工作,而提高企业的执行力,那最后只能像无头的苍蝇,虽然付出巨大的努力,其结果不仅不会尽如人意,反而会使执行成本越来越高、实际操作结果越来越差

The results also revealed a tendency of decrease in the fractal dimension with the increase of floc size, which is resulted from the unproportionate growth between the floc size and the number of the primary particles contained in the flocs.

同时计算结果表明,絮凝体的分形维数有随其粒径增大而逐渐降低的趋势,其原因是絮凝体的成长粒径与絮凝体中所包含的初始颗粒增长速度不成比例。

It has been thought that the complicated gene-gene interaction, heterogeneity of clinical presentation and numerous farraginous experimental data make it more difficult to draw a firm conclusion with genetic research work.

这主要是因为精神分裂症临床分型复杂,症状多样,若将不同类型的患者混杂起来研究将难以对这种异质性疾病作出可信的结论;同时该病作为多基因病的一种,其发病是由许多微效基因共同作用决定的,若孤立地研究某个候选基因或候选染色体区域与疾病的关系,也难以得出满意的结果;而且在研究结果的分析中,某个基因对发病的微小贡献将被&淹没&在巨大的数据信息中,难以提取。

A study of Chemically Induced Dynamic Poiarization spectra is made, using a highly time resolved ESR, of photolized anthracenequinone radicals to determine the influence of surfactant micelles on the spin polarization of anthracenequinone anion. It is found that the CIDEP mechanism of photolization is mainly the radical pair mechanism of anthracenesemiquinone radical and of ethylene glycol ketyl R〓〓 or R〓 radical whose center is carbon in anthracenequinone/ethylene glycol system, but there is a certain amount of triplet state mechanism polarization.

分别研究了胶束和微乳液的&笼效应&对蒽醌和苯醌的光解CIDEP的影响,其结果如下:(1)对于蒽醌的CIDEP,在乙二醇溶剂中,极化的蒽醌自由基AQ〓和R〓自由基通过光解经过夺氢反应产生,其CIDEP机理主要是自由基对机理,但也包含了一部分三重态机理。

The results show that temperature does not have a significant impact on derivatization reaction; the derivatives are rapid degraded in sun light; the derivatization reaction is inhibited when the derivatization reagent is at high concentration; the reaction to produce the fluorescent derivatives is finished in 30 min, and the derivatives are stable for about 8 h at normal temperature and lightless.

研究结果表明,环境温度对衍生反应影响不显著;衍生反应对太阳光线敏感,其机理是阿维菌素衍生产物易快速发生光解;高浓度的衍生试剂对反应表现一定抑制作用;衍生反应在30min左右达到峰值,其产物在室温、避光条件下8h内保持稳定。

Fascia lata grafts and periarticular soft tissues were used extensiely in the United States and Europe. Sir Robert Jones used gold foil as an interpositional layer in 1912. Results remained unpredictable, with residual pain and stiffness being the primary causes of failure. In 1923, Smith-Petersen introduced the concept of "mould arthroplasty" as an alternatie to the interpositional membrane.

当时在美国和欧洲,阔筋膜瓣移植物和关节周围软组织被广泛使用。1912年Robert Jones 爵士曾采用金箔作为间置物,其结果很不稳定,遗留疼痛和关节僵硬是其失败的主要原因。1923年,Smith-Petersen引入&铸模关节成形术&的概念,替代了在关节面间放置衬膜的方法。

Simulation result shows that X-ray spot size is almost certainly convergent when the number of beamlets increases gradually,and the convergent size is about 1.03 mm.

计算结果表明:子束流层数一定时,焦斑直径波动在0.03mm范围内;随子束流划分层数的不同,计算所得焦斑直径的最大不确定度为±0.05mm,而焦距几乎不变化,其波动在0.08cm范围内;随子束流划分层数的增加,焦斑直径计算结果是收敛的,最终收敛值约为1.03mm。

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Plunder melds and run with this jewel!

掠夺melds和运行与此宝石!

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻,也许正是在通往天国的路上,我体验着这白色的晕旋。

When you click Save, you save the file to the host′s hard disk or server, not to your own machine.

单击"保存"会将文件保存到主持人的硬盘或服务器上,而不是您自己的计算机上。