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The hot spot leads to the existence of calcium sulfate hemihydrate, which belongs to microwave special effect, rather that non-thermal effect. Second, based on the reaction to get calcium sulphate, we started and ended at the same temperature and then studied through experiment the difference of weight of calcium sulfate obtained through microwave heating and traditional water bath.

第二,基于硫酸钙晶体生成反应,实验研究了微波加热和水浴加热下从相同的初始温度加热到相同的末温生成硫酸钙晶体质量的差异;通过光纤温度计记录了加热过程中两种溶液中心点的温度变化,按照温度变化曲线,通过理论计算了不同的升温速率下微波加热和水浴加热下生成硫酸钙晶体的质量。

As open a source to warm up in global abidance, there also are more and more people to never had known a cause in China, use Linux to the attempt, development becomes the lover of the source, champion, the opportunity that meets through meeting this, they experience the intendment of the source more deep-feltly, experience the glamour of the source.

随着开源在全球的持续升温,在中国也有越来越多的人已经从不知道开源,到尝试使用Linux,发展成为开源的爱好者、拥护者,通过这次见面会的机会,他们更深切地体会到开源的真意,感受到开源的魅力。

The iron pyrites formation and the curing product's oxidation caused the oil quality combustion principle to the storage tank to carry on the theoretical analysis, the temperature tendency change rule and the influence iron pyrites oxidation tendentious factor carried on the system and the thorough experimental study to the iron pyrites oxidation process, in the union petroleum processing and the storage and transport process actual situation carries on the analysis and the discussion to the oxidation rate influencing factor, under the plan dissimilar condition the curing product oxidation heating curve.

对储罐中硫铁化物的形成和硫化产物的氧化引起油品燃烧的原理进行了理论分析,对硫铁化物氧化过程中温度的动态变化规律和影响硫铁化物氧化倾向性的因素进行系统而又深入的实验研究,结合石油加工和储运过程中的实际情况对氧化速度影响因素进行分析和讨论,绘制不同条件下硫化产物氧化升温曲线。

Producted RF and CRF aerogels by process of sol-gel technics, dynamic-exchange, CO2 supercritical drying, and procedural increase in temperature carbonization methods, which have eximious capability and nanometer network structure; Systemic analysis various factors which effect gel course, such as ratio of reactants and the dosage of catalyst, and probed into the better experiments conditions(the concentration of resorcinol and formaldehyde is more than 2% and the value of R/C is between 50 and 300); During gel course , primary investigated the viscosity curve and particle size distribution of sol-solution, and analyzed the reason of catalyst dosage effects particle size of gel, and confirmed that the up-growth of gel follows the theory of " polymerize increase ".The experiment results indicated that ultrasonic with unvarying temperature disposal shortened gel time and optimized quality of gels, and the factors of ultrasonic effect gel reaction velocity were analyzed; Prepared organic aerogels using compounds of resorcin and hydroquinone substitute resorcinol reacts with formaldehyde the first time, and also optimized the proportion of resorcinol and hydroquinone (the proportion of hydroquinone in 10%~40%).

采用溶胶-凝胶工艺结合动态溶剂交换、CO2超临界流体干燥与程序升温碳化方法制备出性能优良、具有纳米网络结构的RF与CRF气凝胶;深入研究了反应物配比催化剂用量等条件对凝胶过程的影响,得到了较佳的RF凝胶制备条件(RF浓度应大于2%,R/C值取50~300);初步研究了凝胶过程中的粘度、粒径变化情况,分析了催化剂用量影响凝胶中粒子尺度的原因,在实验上印证了凝胶生长遵循"聚增长"的理论;通过引入超声波改进了RF气凝胶的制备工艺,缩短了凝胶反应时间,提高了凝胶品质,并探讨了超声波促进RF凝胶反应作用的原因;首次用对苯二酚与间苯二酚复配制备了混合有机气凝胶,优化出复配比(对苯二酚含量为10%~40%)。2。

This article has described the technology of application of sierozem powder and preparation of ethylene-ethyl acetate copolymeremulsion,including selection of raw materials,formulation and preparation procedure .

介绍了使用灰钙粉和乙烯-乙酸乙烯酯共聚物乳液配制VAE乳胶漆的技术,包括原材料的选用、配方和配制程序等;探讨了VAE乳液用量对涂料耐洗刷性的影响,灰钙粉用量对涂料对比率的影响以及用加速升温贮存试验和常温贮存试验测试乳胶漆的贮存稳定性的结果;综合评价了乳胶漆的性能特征和应用优势,并分析了灰钙粉提高涂料性能的原

XML is a simplified version of SGML (Standard Generalized Markup Language). As a simple and flexible standard format, it provides an effective means for Web-based application. Meanwhile, Adobe Flex 2 is a rich Internet application framework based on Adobe Flash that enables you to productively create beautiful scalable applications.

XML是一个精简的SGML,作为一个简单而灵活的标准格式,为基于Web的应用提供了一个描述数据和交换数据的有效手段;而随着Web2.0的升温及RIA的广泛应用与发展,Adobe公司推出的Flex为开发人员构建下一代丰富互联网应用提供了无限的可能。

To find and confirm the most effective preparing technology, the effect of sintering temperature and calefactive velocity upon mechanical properties and microstructures of the materials before and after infiltration were studied. In order to control the coefficient of thermal expansion and colors of the glass as well as the fluidity and infiltration property of the melted glass, we modified the formula of the glass.

在材料制备的同时,研究和比较了氧化铝升温速率及烧结温度对玻璃渗透前后材料的力学性能和微观结构的影响,以期寻求最佳的制备工艺;并改进渗透玻璃配方,以调控玻璃的热膨胀系数和颜色以及在高温下的流动性、浸润性。

The behaviour of oxygen in the reoxidation process was investigated by an oxygen coulometry.

结果表明;氧流量计在升温阶段检测到三个不同行为的吸氧峰,峰Ⅰ(起始温度-250℃)为氧空位的填充过程;峰Ⅱ(起始温度-800℃)和峰Ⅲ(起始温度-1250℃)为还原相的氧化过程,具体来说,峰Ⅱ是通过晶界扩散提供氧使靠近晶界附近的区域被氧化;而峰Ⅲ是由晶格扩散过程控制,氧化过程从晶界逐渐向晶粒内部区域扩展,并伴随着富Ti的Ba6Ti17O40相的沉淀。

This paper, aimed at the problem of drying aluminum fluoride trihydrate, studied the most possible binding format of crystal water, and hereby deduced the process of crystal water dehydration.

本论文针对三水氟化铝的干燥脱水问题,应用晶体结构理论、价键理论以及各种相关化学原理推测了三水氟化铝可能的结晶水结合形式,并据此推断了其结晶水的脱除过程:对氟化铝干燥特性进行了实验研究,研究了温度和升温速率对氟化铝干燥效果的影响:采用非等温TG-DTG法,对三水氟化铝进行了热分解行为和热分解动力学分析,进一步验证了三水氟化铝的脱水过程,并得出了其脱水和水解过程的动力学参数及方程。

The results indicated it was very effective to increase the content of SiC whisker by ammoniating silicasol to decrease the particle size of raw powder and increase the space for SiC whisker growth, and by controlling the reaction temperature to mate the formation of SiC be compatible with the growth of SiC whisker.

工作中系统地研究了反应物料和合成工艺对SiC晶须产率和微观形貌的影响,发现氨解能促进硅溶胶的凝胶化,并细化反应物料,因而有利于SiC晶须的生成;升温速度的控制可使SiC的生成速率与SiC晶须的生长速率得到很好的适应,此为提高SiC晶须产率的有效途径。

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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。

The shamrock is the symbol of Ireland and of St.

三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。