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The conclusion was drawn that the tetrazine ring and amino group in the DAAT structure were in a plane and were able to build a conjugated π-bond, the calculated fre-quency and intensity were consistent with the experimental values in IR spectra, all thermal energy, thermal capacity and entropy would increase with the increase of temperature.

结果表明： DAAT分子结构中偶氮基两侧的四嗪环和氨基基本在同一个平面上，形成一个大的共轭π键；红外谱计算频率和强度与实验结果整体吻合较好；热能、热容和熵均随温度的升高而增大。

The theoretical properties of BTATz were estimated by a B3LYP method based on 6-31G basis set. The stable geometric configuration and bond order were obtained. The vibrational frequencies, IR spectrum and thermodynamics properties under different temperatures were obtained from vibrational analysis, and the relationship between temperature and thermodynamics properties was deducted. Pyrolysis mechanism of BTATz was discussed, and the transition state and activation energy of ring opening reaction of the tetrazole were deducted.

用B3LYP方法，在6-31G基组水平上对其性能进行了计算，得到了其稳定的几何构型和键级；在振动分析的基础上求得体系的振动频率、IR谱及不同温度下的热力学性质，并得到了温度对热力学性能影响的关系式；探讨了其热解机理，推断出四唑环开环时的过渡态和活化能。

By the nucleophilic substitution reaction of 6-O-tosyl-l,2:3,4-di-O- isopropylidene-a-Z-galactopyranose (3) with some substituted 1, 2,4- triazole-3-thiols (4a ~ 4c) or 1, 2, 3,4-tetrazole-5-thiols (5a~5f), nine 6-S-(substituted triazolyl or tetrazolyl)-l,2 : 3,4-di-O- isopropylidene-a-D-galactopyranoses (6a ~ 6i) were prepared in high yields. Their structures and configurations were analyzed and established by elemental analysis, IR, NMR, MS spectra.

报道了6－O－对甲苯磺酰基－1，2：3，4－二－O－异亚丙基－α-D吡喃型半乳糖（3）与取代的3－巯基三唑或5－巯基四唑4a-4c或5a-5f的亲核取代反应，合成了9个6－S－－1，2：3，4－二－O－异亚丙基－α- D吡喃型半乳糖（6a-6i），通过元素分析，IR，NMR和MS确证了上述化合物的结构，并经分子模型计算进行了其构象分析。

Results:① Neuroglobin-immunocreactive positive cells were detected in cortex, thalamencephalon, hippocampus, hypothalamus, cerebellum, brain stem and spinal cord;② Ngb-IR positive nerve cells were also detected in peripheral nervous system such as intramural ganglia, myelinated nerve fiber and retina;?Substantial Ngb protein expression was also found in metabolically active endocrine tissues such as the pituitary gland , adrenal gland and testis.?

结果：(1)在所观察的大脑皮质、海马、丘脑、下丘脑、脑干、小脑和脊髓神经细胞都出现Ngb蛋白免疫阳性反应，不同区域表达强度不同：(2)在外周神经系统的神经节、有髓神经纤维和视网膜也观察到Ngb免疫阳性反应；(3)垂体、肾上腺、睾丸也可见到Ngb-IR阳性细胞。

The glass and crystalline glass-solders of Li2O-ZnO-SiO2 system were prepared by conventional melt technology. The various factors effecting on glass ceramics and glass were investigated,which include glass chemical composition and heat-treatment and so on. And then by means of XRD, DTA, IR and SEM, the structure and properties of the glass and glass-ceramic were studied. The coefficient of linear expansion , transform temperature and soft temperature wer measured. And then the factors that effect the mechanical strength of glass-ceramic were discussed and the fluxion property was determined and the crystallization course and mechanism were discussed, which can provide certain therial reference value for practice producing and glass seals to glass, ceramics and metal.

用高温熔融法制备了Li_2O-ZnO-SiO_2系统玻璃及其结晶型玻璃焊料，探讨了各种因素(包括玻璃组成、热处理制度等)对微晶玻璃的结构和性能的影响；利用X射线衍射分析、DTA、红外光谱分析以及扫描电镜等现代测试手段，对玻璃的结构与性能进行研究，测定了玻璃及微晶玻璃的线膨胀系数、转变温度和软化温度，同时对影响微晶玻璃的强度的因素进行了探讨，并对该体系玻璃的流散性进行了测定，对它的析晶过程和析晶机理进行探讨，为实际生产和与玻璃、陶瓷及金属封接提供了一定的理论参考价值。

When heated above 300℃, compound 1 decomposes, forming Ir, 2, 4-pentanedione, 3-butene-2-one and 2, 5-dimethyl furan etc. in argon. When compound 1 decomposed in oxygen, fewer kind of thermolytic pmducts can be obtained.

三（2，4-戊二酮）合铱在氧气气氛下由於能够比较充分地氧化，因而分解产物种类比在惰性气氛下由於自身分解而生成的产物种类少并且稳定。

Thesample has been characterized by XRD, IR, UV-Vis, TG-DTA, ICP, CHN, N2adsorption measurements. Its catalysis was studied via a model reaction. A new titanosilicate JLU-3 was obtained under autogenous pressure at 513K for3 days. The molar ratio of initial mixture was 486.0NaOH:3.0TiO2:1.0SiO2:2.2TEA:83.0H2O.

详细考察了 JLU-3 钛硅酸盐分子筛的合成中OH-/SiO2，TiO2/SiO2，H2O/SiO2，模板剂，晶化温度和时间等影响因素，并利用 XRD，IR，UV-Vis，TG-DTA， ICP， CHN， N2吸附测试等方法对其进行了表征和性能研究，利用模型反应研究其催化性能。

The barium-strontium titanyl oxalate precursor powder was prepared successfully by using the simple oxalate chemical coprecipitation method. The pyrolysis of BSTO at 905℃ in air produced barium-strontium titanate powder. BST powder was characterized with SEM, TEM, XRD and FT-IR, which revealed that the powder was spherical, highly pure, perovskite, and the average particle diameter was 36nm.

采用草酸盐化学共沉淀法制备了草酸氧钛锶钡前驱体，通过905℃高温煅烧，制得了高纯纳米钛酸锶钡，并利用SEM、TEM、FT-IR和XRD对其进行了表征；并将该粉体应用于水中重金属镉离子的吸附。

A comparative analysis of the epoxidecontent of ENR by IR, 1H-NMR and titrimetric technique had been made.

分别采用了红外光谱、核磁共振(1HNMR)和化学滴定等手段对天然橡胶的环氧化含量进行了表征。

The structure and composition of the title complexes were characterized by means of elemental analysis, EDTA titrimetric method, UV spectra and IR spectra.

利用元素分析、EDTA配位滴定分析、红外光谱和紫外吸收光谱分析对目标物的组成与结构进行了表征，并研究了其发光性能和热稳定性。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。