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热化

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Taking loquat as material, the enzymatic hydrolysis technology was used to improve the juice yield. Using screening superior acetobacter for the fermention of loquat wine and the Loquat vinegar acetification technique with carrier adsorption, the acid-producing rate could reach more than 85%, combinedwith the technique of nonthermal removal bacteria and the technique of rapid artificial vinegar aging, the quantity of Loquat vinegar was improved.

以枇杷为原料,采取酶解技术提高出汁率;以筛选的适宜菌株进行枇杷的酒化及采用固定化高活力醋化,乙酸得率可达85%以上,结合使用非热除菌保藏、快速人工催陈技术,提高枇杷果醋的品质。

The causes and mechanism of both carburization and dusting, and carburization kinetics were discussed by means of Grabke Model.

采用扫描电镜、X射线衍射、差示热分析等方法对Ni Cr/BN混合粉末在1250℃烧结时发生的碳化和粉化行为进行了分析,借用Grabke的模型探讨了这种现象产生的原因和机理,并进行了碳化动力学的讨论,提出了预防产生这种现象的措施。

The said thermal shock treatment method improves the caking capacity and coking capacity of coal, and it is good to use the low degree of coalification coal which is cheap and abundant instead of the binding coal which is lack.

本发明的提高低煤化度煤结焦性的热冲击处理方法,可明显改善低煤化度煤的粘结性、结焦性,可在炼焦厂现有的装备水平下,实现多配价廉低灰和资源相对丰富的低煤化度煤,缓解强粘煤资源的紧缺状况。

The paper discloses a process for diazotization fluorination of aromatic primary amines utilizing sodium nitrite and anhydrous hydrofluoride to produce the corresponding diazonium fluoride which is decomposed, usually by heat, to make the desired fluoroaromatics .

本文通过重氮化工艺路线的改进,在液态氟化氢中进行重氮化和重氮盐的热分解,提高了芳香族氟化物的收率,并且使重氮化反应工艺能应用于工业化生产。

ABSTRACT in the first part of this thesis, the interaction between cu-sn and ni-sn interfacial reactions in a soldering system has been studied by using a ni-sn3.5ag-cu sandwich structure. a layer of cu-sn intermetallic compound was observed at the interface of the ni foil after 30 seconds reflowing.

在电子元件高功率及及轻、薄、短、小化的要求下,热一直是造成电子元件失效的原因之一,BGA封装的主要失效原因是作为接点的锡铅共熔合金(63Sn-37Pb;或称锡球)的疲劳破裂,这是导因於封装体不同材料间热膨胀系数的差异所造成的热应变。

Mesoporous tin oxide was synthesized by using cetyltrimethyl ammonium bromide or CTAB and Tween-20 as the template or hydrothermal process. Hollow tin dioxide micospheres were synthesized by using resorcinol-formaldehyde gel as the template or hydrothermal process. Thermogravimetric analysis, X-ray diffraction and electron microscopy have been used to characterize the materials.

本文分别采用十六烷基三甲基溴化铵模板法、CTAB和吐温20复合模板法及水热法来合成介孔氧化锡;用间苯二酚和甲醛凝胶模板法及水热法合成空心球氧化锡,并用热分析、X射线衍射、电镜等对以上材料作了形貌及结构表征。

Curing kinetics of epoxy resin and the effects of different compositions on curing reaction were researched by using the differential scanning calorimeters. Relationship between curing temperature and curing converting rate had been studied. Curing conditions for the system were determined. Modified nano-Al2O3/epoxy resin and core shell/epoxy resin composites were prepared by means of blending method. The influence of the composition on the properties was discussed. The thermal and dielectric properties of these composites were investigated using differential scanning calorimetry, Thermogravimetry and dielectric analyzer.

首先,论文通过差示量热扫描仪分析研究了环氧树脂与酸酐固化体系的固化反应动力学及固化工艺;然后,通过共混法和超声分散法制备了一系列纳米氧化铝/环氧树脂及核壳粒子/环氧树脂两相复合材料;进而通过DSC及热重分析仪测试了复合材料的玻璃化温度、热降解温度等热学性能,并采用介电分析仪测试分析了复合材料的介电常数、介电损耗等介电性能,讨论了组成对复合材料的热学性能及介电性能的影响。

Thermal behavior of RSRF was not affected by ultrasonic treatment, but it remarkably changed in the esterified RSRF. The Differential Scanning Calorimeters curves revealed the maximal thermal decomposition peak of cellulose and lignin in RSRF were disappeared, which reflected characters of RSRF were modified through esterification.

差示扫描量热法研究结果表明,超声波处理对RSRF的热性能没有影响,但酯化改性使RSRF的纤维素与木质素最大分解峰消失,主要反映为酯的性质,且热稳定性增强。

The differential scanning calorimetry and thermal gravimetric analysis exhibited that the transition temperature and the temperature at which 5% mass loss occurred of PI-19 were 256 ℃ and 380 ℃, respectively.

示差扫描量热和热失重分析结果显示,PI-19的玻璃化转变温度为256 ℃,在5%的热失重温度为380 ℃,表明具有非常好的热稳定性。

The structure of the copolymer was characterized by infrared spectrum, glass transition temperature and maximal heat decomposition temperature were analyzed by different scanning calorimetry and thermo gravimetric analysis.

利用红外光谱表征了共聚物结构,利用差示扫描量热法和热重分析测试了共聚物的玻璃化转变温度和最大热分解温度。

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And if officials on the take are not parroting the opinions of these companies, what can we suppose the money they receive is for?

如果受贿的官员不鹦鹉学舌般地复述这些公司的看法,那他们所接受的钱又能用于什么目的呢?

Love them, and love you too, Pitcher.

爱他们,也爱你,投手。

He was sent away to the island of Scyros,where he fell into sea from a cliff.

赶下了台。他被流放到塞库鲁斯岛。在那儿,他失足从悬崖上栽到了海里。