The results show that the tetrazole ring is approximately planar.
结果表明，标题物的四唑环近似为平面构型；
Theoretical calculations on the tautomerization of five tetrazole derivatives are performed with MNDO MO method.
运用MNDOMO法对五种四唑衍生物的互变异构反应进行了理论计算。
The mechanisms dealing with the thermal decomposition of 5-nitro-1- hydrogen-tetrazole are studied by density function theory.
利用密度泛函理论研究了5-硝基-1-氢-四唑分子热分解的反应机理。
It is discovered that the direct ring rupture channel is the main pathway during the thermal decompositions of the four tetrazole derivatives.
结果表明，四种衍生物热分解的主要反应途径都是直接开环反应。
The new tetrazole derivative or its salt acceptable for materia medica possesses of the excellent activeness to reduce the blood sugar and blood lipid.
由上式表示的新型四唑衍生物或其可被药学上接受的盐具有优异的降低血糖及降低血脂的活性。
Tetrazole is the unsaturated energetic heterocyclic compound with high nitrogen content and good stability leading to the high energy yet low sensitivity materials.
四唑属富氮且稳定性较好的化合物，。是目前研究较多的高能钝感含能材料。
A comparison experiment made between image processing determination and manual determination of tetrazole coloring showed that the percentage of average accuracy is up to 93.7%.
结果表明：计算机检测结果对四唑染色法人工测定结果平均准确度达93 7%以上。
A comparison experiment made between image processing determination and manual determination of tetrazole coloring showed that the percentage of average accuracy is up to 93.7%.
结果表明：计算机检测结果对四唑染色法人工测定结果平均准确度达93 7%以上。
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