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At the normal state, porphyrin molecules do not have EPR signal. However, light excitation may cause a transition of porphyrin molecules from singlet to triplet. At the same time, the change from diamagnetism to paramagnetism occurred to porphyrin molecules. In this case, the two un-paired electrons are nearby each other and cause a strong interaction, giving EPH signal with sharp peak at g = 2.000. The g value increased with an increase in electron cloud density.

常态下卟啉分子没有EPR信号，在光的激发下，卟啉分子由原来的逆磁性分子变成顺磁性的激发三重态分子，这种激发三重态分子在分子轨道上具有两个未成对电子，这两个电子相距很近，彼此之间发生很强的相互作用而产生电子，它的g值随卟啉共轭体系平均电子云密度增大而变大。

At the normal state, porphyrin molecules do not have EPR signal. However, light excitation may cause a transition of porphyrin molecules from singlet to triplet. At the same time, the change from diamagnetism to paramagnetism occurred to porphyrin molecules. In this case, the two un-paired electrons are nearby each other and cause a strong interaction, giving EPR signal with sharp peak at g =2.000. The g value increased with an increase in electron cloud density.

常态下卟啉分子没有EPR信号，在光的激发下，卟啉分子由原来的逆磁性分子变成顺磁性的激发三重态分子，这种激发三重态分子在分子轨道上具有两个未成对电子，这两个电子相距很近，彼此之间发生很强的相互作用而产生电子，它的 g 值随卟啉共轭体系平均电子云密度增大而变大。

The critical heating rate for different body radius was predicted by comparing the gas pressure when the peak degradation rate occurred with the threshold body strength which was determined by the diametric compression test of the green body during thermal debindering.

摘 要：以聚乙烯醇和NiFe2O4/Ni型金属陶瓷压坯为对象，采用热重分析研究PVA在N2气氛中的热脱脂行为，建立PVA热脱脂速率的数学模型，在此基础上，模拟并计算PVA分解产物气体在多孔粉末压坯内的压力构建情况；结合粉末压坯脱脂强度测试结果，分析粉末压坯在脱脂过程中压坯尺寸、粘结剂含量等因素对升温速率和脱脂时间的影响，获得不同半径尺寸压坯的极限升温速率。

Since those early beginnings many changes have occurred in diamond tools that saw and drill concrete.

自年初开始的金刚石工具已发生了很多变化，并看到具体演练。

Diarrhoea occurred in 21, 31 and 25%.

腹泻发生率为21%，31%和25%。

This shows that the Diderot and Rameau's Nephew in the community occurred in the level of two of the confrontation between the moral values, in Rameau's Nephew inside of the heart, is still contradictory, the confrontation of each other.

而拉摩的侄儿则恰恰相反。他代表的是一种变异的、趋恶的、以个人为中心、追求欲望满足的道德观念。两者之间经常发生着针锋相对的交锋。然而值得玩味的是，在二者的交锋中，扮演公正意识的狄德罗并没有取得胜利。在许多情况下，两人势均力敌，谁也说服不了谁；而在少数情况中，拉摩的侄儿反而占了上风。

The fabrication of fibers was attempted. The copolymers, the copolymers containing MOCT and the copolymer films containing MOCT were characterized by using Fourier Transform Infrared Spectroscopy, Scanning Electron Microscopy, Differential Scanning Calorimetry, Thermogravimetric Analyzer and X-ray Diffraction etc. The conclusions were summarized as following,1. The AN/MMA copolymers were testified that copolymerization of most AN and MMA occurred and the ratio of AN and MMA in copolymer was less than the ratio of monomers. With the increase of the contents of MMA, the viscosity of copolymer solution, molecular weight and decomposition temperature of copolymers increase.

通过傅立叶变换红外光谱、扫描电子显微镜、差示扫描量热分析、热重分析、X-射线衍射分析等测试方法对得到的AN／MMA共聚物、含有正十八烷微胶囊的共聚物以及共聚物膜等进行了测试和分析，得到如下的研究结论： 1、丙烯腈—甲基丙烯酸甲酯之间发生了聚合反应，共聚物的组成比略小于投料比；共聚物的粘度和分子量随着第二单体MMA加入量的增加有增大的趋势；第二单体加入量的增大使得共聚物的分解温度升高，通过热重分析证实当AN／MMA摩尔比为85／15时，共聚物的耐热稳定性较高。

The widespread skin eruption with bullous formation and desquamation occurred after anti-epileptic treatment with "dilantin". He was diagnosed as SJS and then progressed into TEN.

临床诊断为史蒂芬-强森症候群(Steven-Johnson syndrome，简称"SJS")，并且进展到毒性表皮性坏死松解症(toxic epidermal necrolysis，简称"TEN")。

It even can be seen that the disomy rates of both two donors were higher than the diploidy rates, which may imply that more disomy occurred than disomes in meiosis process.

结论引物原位标记技术看起来是检测人类外周血淋巴细胞中期染色体和精子染色体数目异常的一项经济简便和快速可靠的高通量检测方法。

Results The endophthalmos and diplopia disappeared in all cases. No postoperative complications occurred.

结果 术后6例均消除了眼球凹陷及复视，无并发症发生。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。