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The system may acts as a constant temperature controller in order to study the relations between luminescence characteristic and temperature.

该系统除可作一般的恒稳控制以研究样品的发光性能对温度的依赖关系,也可在0℃~160℃范围内给出不同的升温速率以研究不同升温速率下样品的陷阱深度及分布情况。

The invention discloses an InP quantum point preparing method, comprising the steps of:(1) mixing InCl3 with trioctylphosphine oxide, and preserving heat at 90-110DEG C to prepare a solution whose In content is 0.1-0.3mol/L;(2) raising temperature to 130-180DEG C, and charging argon gas;(3) injecting PSi(CH333 into InCl3-TOPO compound in the molar ratio of 1 to 1-1 to 2;(4) when the solution color turns into transparent red or orange, raising temperature to 260-270DEG C and preserving heat;(5) lowering temperature to 90-110DEG C and injecting dodecyl amine, decyl amine or mercaptan;(6) dissolving reacting mixture in nonpolar solvent to form transparent colloidal solution, then adding in polar solution until the colloidal solution is muddy, and centrifugally separating and obtaining deposits and supernatant; and (7) centrifugally separating the supernatant, where the above steps (1)-(5) are performed.

本发明公开了一种InP量子点的制备方法,其步骤为:①将InCl 3 与三辛基氧膦混合,在90~110℃保温制得In含量为0.1~0.3mol/L的溶液;②升温到130~180℃,通入氩气;③将PSi(CH 3 3 3 注射入InCl 3 -TOPO复合物中,其摩尔比为1∶1~1∶2;④待溶液颜色变为透明的红色或橙红色,将升温260~270℃保温;⑤降温到90~110℃,注入十二胺、癸胺或硫醇;⑥将反应混合物溶于非极性溶剂,形成透明的胶体溶液,然后加入极性溶剂,直至胶体溶液出现混浊状,然后离心分离获得沉积物和上层清液;⑦取上层清液进行离心分离。上述步骤①~⑤在保护气氛下进行。

ISO834 and parametric equation approach are lack of pertinence. The results may be too conservative. The temperature obtained by zone model is low, so that it is not suitable for the performance-based fire protection design on this structure. Field model considers the heterogeneity of environmental temperature, and its result is close to the real fire, so that it is commended to the performance-based fire protection design on steel staggered-truss structure.

国际标准升温曲线和参数化室内升温曲线不考虑火源功率、建筑通风口等因素,缺乏针对性,分析结果偏于保守;区域模型所得温度偏低,不宜用于交错桁架结构的性能化抗火设计;场模型考虑了火源功率及环境温度分布的不均匀性,和实际火灾较接近,计算结果相对较为准确,可用于结构的性能化防火设计。

The sewage flows from pool to plant, passing through retention reservoir to adjust PH value, into removing ammonia with temperature increasing to 20℃,into UASB reactor with temperature increasingto 35℃ to remove off COD and ammonia under the function of anaerobia, then into SBR reactor to remove BOD under the function of aerobia. When the biochemical disposal is completed, the processed sewage will come into the UF system to remove adsorbed solid, organic matter, bacteria, and pathogens in waterand finally come into the RO system to remove off dissolvable salinity, colloid, organic matter, and microbe in water.

垃圾渗滤液经储存池进入污水处理厂,经调节池调整PH值,经1#加热器升温到20℃进入氨吹脱塔脱氨氮,再经2#加热器升温到35℃进人UASB生物反应器,在厌氧菌的作用下降解COD和脱氮,再进入SBR生物反应器,在好氧菌的作用下降解BOD,完成生化前处理后转入UF超滤中空纤维膜系统进行分离处理吸附固体、有机物、细菌、病原体等;最后经高压泵送入进口的RO返渗透中空纤维膜系统中,进行分离处理可溶解盐分、胶体、有机物、微生物等。

Progress in researches on catalysts for fluidized bed oxychlorination of ethylene to make dichloroethane;2. The catalytic performance of CuCl2-KCl/MgO-Al2O3 catalysts was evaluated for the oxychlorination of ethane to produce vinyl chlorid.

采用浸渍法制备了不同含量MgO改性的γ-Al2O3,采用X射线衍射、N2物理吸附、NH3的程序升温脱附和程序升温还原等手段表征了催化剂的结构、表面酸性和氧化还原性质,并对CuCl2-KCl/MgO-Al2O3催化剂催化乙烷氧氯化制氯乙烯反应进行了活性评价。

C NMR, IR, GC MS and TG combined with some techniques including solvent extraction method, TPO and structure characterization were applied to determine the components of the deposit on the coked β zeolite catalyst after reaction for 8?000 h in pilot plant scale. It was shown that the composition of the deposit ...

用13CNMR ,IR ,GC MS ,TG等手段,并结合溶剂萃取法、TPO和结构分析等方法,确定了改性β沸石催化剂上沉积物的主要成分是多异丙基苯和四氢化萘,且主要分布在沸石孔道内;同时,快速升温后恒温烧炭的效果优于慢速升温后恒温烧炭的效果

The curve of expansion versus temper- rature in the temperature elevating process is depicted automatically and the coefficients of mean lin- ear expansion, instantaneous thermo-expansion, transforming temperature and softing point can be printed according to the.

本文介绍了一种■全由计算机进行设定控制的热膨胀仪,可以对温度范围、升温速率、初始条件进行设定,并由计算机完成实时数据的采集及处理,完成升温过程中温度-伸长量曲线自动描绘,并根据用户要求自动打印出各温度段的平均线膨胀系数、瞬间热膨胀转变温度及软化点等,其结构准确可靠、使用方便、自动化程度高,达到国内领先水平。

The carrier gas is nitrogen, headspace plate temperature is 70℃.

方法使用配置顶空进样的气相色谱仪,以水为溶剂,色谱柱为 Agilent DB-624毛细管色谱柱(6%氰丙基苯基-94%二甲基聚硅氧烷),柱温:40℃,保持 12min ,以30℃· min-1 的速度升温至100℃,保持 5min ,再以40℃· min-1 的速度升温至240℃,保持 5min ;以氮气为载气,柱流速0.7mL · min-1 ;氢火焰离子化检测器;顶空加热盘温度70℃。

By using TG analysis, the combustion characteristics of cooking oil tar in pipes were studied under heating rates of 5℃/min, 15℃/min and 25℃/min respectively.

采用热重分析法对餐饮业油烟道油垢的燃烧过程进行实验研究和理论分析,分别在5,15,25℃/min升温速率空气气氛中,研究油烟道油垢的燃烧特性以及升温速率对着火温度、可燃性指数的影响。

The method comprises: adding 4-(3,4-dichlorophenyl)-1-tetralone and solvent at a ratio of 1:(3-4) into a three-necked flask with a stirrer, heating under stirring until 4-(3,4-dichlorophenyl)-1-tetralone is completely dissolved, heating to 60-100 deg.C, refluxing for 0.5-2 h, cooling the filtrate to -5-10 deg.C, filtering, recrystallizing to obtain refined 4-(3,4-dichlorophenyl)-1-tetralone, and drying at 40-80 deg.C to obtain dry 4-(3,4-dichlorophenyl)-1-tetralone.

该方法的步骤是:在带搅拌的三颈瓶中依次加入4-(3,4-二氯苯基)-1-萘满酮和溶剂,溶剂与4-(3,4-二氯苯基)-1-萘满酮的L∶W为3~4∶1,将上述4-(3,4-二氯苯基)-1-萘满酮及混合精制溶剂搅拌下升温,使4-(3,4-二氯苯基)-1-萘满酮全部溶解,升温至60~100℃,回流0.5-2h;滤液用冰水冷却至-5~10℃,过滤,所得物料再用上述方法进行一次重结晶得到精品4-(3,4-二氯苯基)-1-萘满酮,40~80℃干燥后即得到干品4-(3,4-二氯苯基)-1-萘满酮。

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