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The decomposition of EAK( Ethylenediamine Dinitrate Ammonium Nitrate Potassium Nitrate) eutectic intermolecular explosive was investigated by means of DSC.

通过DS C分析研究了EA K(乙二胺二硝酸盐硝酸铵硝酸钾)低共熔物分子间炸药的热分解特性,测定了EAK 的分解动力学参数。

Ribulose bisphotosphate carboxylase (RuBP carboxylase ; rubisco) An enzyme that catalyzes the carboxylation of ribulose biphosphate to two molecules of glycerate 3-phosphate, the carbon dioxide-fixing first step in the Calvin cycle of PHOTOSYNTHESIS.

1,5-二磷酸核酮糖羧化酶:催化核酮糖-1,5-二磷酸成为两分子3-磷酸甘油酸的酶,这是光合作用卡尔文循环中,二氧化碳固定的第一位反应。

The present invention discloses a polycarboxylic acid copolymer which is obtained by copolymerization of monomer components comprising a polyalkyleneimine unsaturated monomer (A2) and an unsaturated carboxylic acid monomer, the polyalkylene glycol unsaturated monomer (A2) having an oxyalkylene group bonded to a polyhydric alcohol residue, and the monomer component containing an unsaturated monocarboxylic acid monomer.

公开了一种多元羧酸共聚物,它是通过单体组分共聚制得的,所述单体组分包括聚二醇不饱和单体(A2)和不饱和一元羧酸单体,所述聚二醇不饱和单体(A2)具有使氧化烯基结合到多元醇残基上的结构,所述多元醇残基平均每个分子具有不少于3个羟基。

Two new kind of energy transfer donor-acceptor dyads consisting of α-naphthoic acid moiety and 9-aminoacridine units linked by tetraethylene glycol or triethylene glycol flexible chain have been synthesized.

本工作分别用聚三乙二醇及聚四乙二醇柔性链将α-萘甲酸酯与9-氨基吖啶连接起来,合成了两种新型二元发色团分子体系,在两个体系中,选择激发α-萘甲酸酯,都可以发生从α-萘甲酸酯到9-氨基吖啶的高效率的单重态-单重态能量传递。

Absorption spectra indicate that there is little or no interaction between chromphores in the ground state. However, the fluorescence emission of oxadiazole and triphenylamine moieties are almost quenched, which shows that in the excited ground state there exists very effective intramolecular singlet-singlet energy transfer .

研究发现,这些多发色团化合物在基态发色团之间没有作用或作用很小,而其中噁二唑和三苯基胺单元的荧光被严重的猝灭,这说明在激发态下,萘酰亚胺发色团与噁二唑、三苯胺功能团之间发生了分子内单线态—单线态能量转移。

Absorption spectra indicate that there is little or no interaction between chromphores in the ground state. However, the fluorescence emission of oxadiazole and triphenylamine moieties are almost quenched, which shows that in the excited ground state there exists very effective intermolecular singlet-singlet energy transfer.

研究发现,这些多发色团化合物在基态发色团之间没有作用或作用很小,而其中恶二唑和三苯基胺单元的荧光被严重的猝灭,这说明在激发态下,萘酰亚胺发色团与恶二唑、三苯胺功能团之间发生了分子内单线态-单线态能量转移。

Considering the low morphological stability of dye-doped polymer thin film and based on the above multi-chromophoric organic small molecules, six novel copolymers have been synthesized by the co-polymerization, in which there are three functions: 1, 8-naphthalimide as emitting moiety, oxadiazole as electron transporting moiety, and N-vinyl carbazole as hole transporting moiety.

考虑到有机小分子掺杂到聚合物膜中低的形态稳定性,我们在上面多发色团有机小分子研究的基础上,通过自由基引发共聚合成了六个新型的共聚物。在该类共聚物的侧链上含有三个功能团:1,8-萘酰亚胺单元、噁二唑单元和N-乙烯基咔唑单元。

The mechanism of the dehydrogenation reaction of OsO〓 with methane For the reaction, OsO〓+CH〓→OOs〓+H〓, the minimum energy reaction path involves two PESs of quartet and doublet states.

因此整个反应的速率决定步骤是分子氢从二重态的亚甲基二氢化物中还原消去,能垒大约为30.4kcal/mol.c。

Herein, a series of compounds, BP-C〓-NBD (n=2, 3, 4, 5, 6, 8, 10), was synthesized. Nanosecond flash photolysis, phosphorescence emission and lifetime, as well as photoisomerization reaction of norbornadiene were used to understand the intramolecular triplet energy transfer in detail.

我们设计、合成了以多亚甲基连接的二苯酮与降冰片二烯(BP-C〓-NBD,n=2,3,4,5,6,8,10)系列化合物,利用纳秒时间分辨技术、低温磷光发射、磷光寿命以及光敏异构化的方法,对其分子内三重态能量传递过程进行了详细地研究。

With regard to the current society, much hubbub in the European Union ban on the use of four kinds of children's toys, plasticizers, Jiangnan University, and Dr. LG Chemical in two epoxy esters, briefed the meeting on high molecular weight plasticizers, citrate butyl ester, such as trimellitic several environment-friendly non-toxic plasticizer that can be replaced ethylhexyl phthalate, ethylhexyl adipate, whether it is synthetic process, the source of raw materials are not a problem, but there are differences in price, but into the large-scale production, the price will be decreased substantially.

关于目前社会上闹得沸沸扬扬的欧盟禁止在儿童玩具中使用四种增塑剂,江南大学和LG化学的两位博士在会上介绍了环氧酯类高相对分子质量增塑剂、柠檬酸三丁酯、偏苯三酸酯等几种无毒环保型增塑剂,认为完全可以取代邻苯二甲酸乙基己酯、己二酸乙基己酯,无论是合成工艺、原料来源都不成问题,只是在价格上还有些差异,但进人大规模生产后,价格会有较大幅度下降。

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Lao Qiu is the Chairman of China Qiuyang Translation Group and the head master of the Confucius School. He has committed himself to the research and promotion of the classics of China.

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