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The results showed that the maximum UV absorption wavelengths of those 1,3,4-oxadiazole derivatives in dichloromethane were in the range of 268~327 nm, and their maximum photoluminescent wavelengths in dichloromethane and solid film were located at 332~390 nm and 359~439 nm, respectively. The 1,3,4-oxadiao1e derivatives exhibit a first endothermal peak at 120~328℃ in the DSC heating process, and the symmetrical 1,3,4-oxadiazole derivatives display a higher melting temperature. The CV curves of those 1,3,4-oxadiazole derivatives indicate that the reductive potentials of the 1,3,4-oxadiazole derivatives are located at -1.03~0.98 V, and their LUMO(the lowest unoccoupied molecual orbit) energy levels are -3.71~-3.76eV.

结果表明，该类衍生物在二氯甲烷溶液中的最大紫外吸收波长在268~327nm范围，在二氯甲烷溶液和固体膜中的最大荧光发射波长分别在332~390nm和359~439nm范围；DSC分析结果表明，5个噁二唑衍生物的起始吸热峰位于120~328℃之间，其中对称结构的噁二唑衍生物显示了较高的熔融温度；由循环伏安图和相关计算结果表明，5个噁二唑衍生物的还原电位位于-1.03~-0.98V，其相应的最低非占有分子轨道能级在-3.71~-3.76 eV之间。

It is found that there exist two endothermic peak at 574℃ and 790℃ differently in the DSC curve of the quartz sand during heating.

采用DSC和热膨胀仪对石英新砂和经900℃焙烧砂在加热过程中的相变和热膨胀进行了分析。

It is found that there exist two endothermic peak at 574 ℃ and 790 ℃differently in the DSC curve of the quartz sand during heating.

结果发现，石英砂加热过程中，分别在574℃和790℃附近出现了两个吸热峰，高纯度石英砂焙烧后进行加热时只在569℃出现一个吸热峰。

It is obvious that the backward condition is a big barrier of energy efficiency and heating modernization.

显然，这种落后状态是提高能源利用效率和供暖现代化的一个严重障碍。

The industry boiler is a kind of important energy conversion equipment for industry and central heating in China.

工业锅炉是我国工业生产和集中供热的重要能源转换设备。

Founded in 2006, is to provide energy-efficient heating technologies and products of professional firms.

成立于2006年，是提供节能供热技术和产品的专业型公司。

The heating effects have been proven to be of value in pain relief for breast engorgement and plugged ducts. However, the clinical significance of non-thermal effects in treating plugged ducts remains undetermined.

超音波的物理作用可分为热效应与非热效应，热效应对於乳房肿大或乳腺管阻塞在止痛上的效果已获得证实，但非热效应在临床应用的意义仍未有结论。

In-situ energy dispersive X-ray diffraction measurements of enstatite have been studied by using diamond anvil cell with synchrotron radiation and laser heating in the range of 0~23 GPa and

采用同步辐射能量色散X射线衍射技术、激光加热技术和金刚石对顶砧高压装置，在温度为2000 K和压力为23 GPa的范围内，对采自地幔二辉橄榄岩中的顽火斜方辉石，进行了原位的高温高压能量色散X射线衍射测量。

The effect of switching modes on the entrancement,combustion and billet heating process in furnace were analyzed numerically,and the computational results were compared with production records and onsite measurement,which verified the practicability of this CFD system.

结果表明：采用分段同侧换向控制的HTAC加热炉能获得很好的流场和温度场分布，基本满足高质量的钢坯加热需要，但该炉在生产条件下的温度制度存在不合理之处，在今后设计和操作中应进一步优化和改进；全同侧换向控制的火焰布置方式不利于钢坯的均匀、快速加热；而采用交叉换向控制的火焰布置方式可以改善加热炉内的流场和温度分布，更有利于满足钢坯的加热工艺要求。

The experimental results were compared with those obtained by traditional methods of water _ bath heating saponification and enzymology _ spectrophotometry.

目前采用最多的皂化方法是将待测物与KOH的甲醇溶液加热回流1 h[ 3]，但由于其耗时长，不适应于大量样品的测定。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。